:root{
  --bg:#0b0e13;--bg2:#11151d;--panel:#121720;--panel2:#171d27;--glass:rgba(18,23,32,.82);
  --text:#f7f8fb;--text2:#c4cad4;--muted:#7f8998;--line:#252c39;--line2:#323b4a;
  --accent:#a855f7;--accent2:#7c3aed;--accentSoft:rgba(168,85,247,.15);--pink:#ec4899;--cyan:#22d3ee;--mint:#34d399;--amber:#f59e0b;
  --danger:#fb7185;--shadow:0 26px 70px rgba(0,0,0,.34);--shadow-sm:0 10px 30px rgba(0,0,0,.18);
  --radius:22px;--font:18px;--wordGap:.18em;--navH:68px;
}
html[data-theme="light"]{
  --bg:#f6f7fb;--bg2:#eef1f6;--panel:#ffffff;--panel2:#f8f9fc;--glass:rgba(255,255,255,.86);
  --text:#161a22;--text2:#3b4350;--muted:#7a8494;--line:#e4e8ef;--line2:#d6dce6;
  --accent:#8b5cf6;--accent2:#6d28d9;--accentSoft:rgba(139,92,246,.10);
  --shadow:0 25px 65px rgba(36,46,66,.13);--shadow-sm:0 8px 25px rgba(36,46,66,.09);
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,"PingFang SC","Microsoft YaHei",sans-serif}body{overflow-x:hidden}
button,input{font:inherit}button{color:inherit}.hidden{display:none!important}a{color:inherit;text-decoration:none}
::selection{background:rgba(168,85,247,.34)}
.shell{min-height:100vh;background:
 radial-gradient(circle at 12% 0%,rgba(124,58,237,.14),transparent 33%),
 radial-gradient(circle at 90% 20%,rgba(34,211,238,.07),transparent 30%),var(--bg)}
.nav{height:var(--navH);display:flex;align-items:center;gap:26px;padding:0 34px;position:sticky;top:0;z-index:50;background:var(--glass);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:850;font-size:21px;letter-spacing:-.02em;cursor:pointer}.brand-mark{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),#d946ef);box-shadow:0 7px 18px rgba(168,85,247,.28);color:#fff}.brand small{font-size:10px;color:var(--muted);font-weight:700;margin-left:2px}
.navlinks{display:flex;gap:5px}.navlink{border:0;background:transparent;padding:9px 12px;border-radius:10px;color:var(--muted);cursor:pointer;font-size:14px}.navlink:hover,.navlink.active{color:var(--text);background:var(--panel2)}
.nav-spacer{flex:1}.search{height:40px;width:min(320px,30vw);border:1px solid var(--line);background:var(--panel2);border-radius:13px;padding:0 14px;color:var(--text);outline:none}.search:focus{border-color:rgba(168,85,247,.55);box-shadow:0 0 0 3px var(--accentSoft)}
.iconbtn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--panel2);display:grid;place-items:center;cursor:pointer}.iconbtn:hover{border-color:var(--line2);transform:translateY(-1px)}.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#7c3aed,#22d3ee);font-weight:850;color:#fff;box-shadow:0 0 0 3px var(--panel)}
.page{display:none}.page.active{display:block}.container{width:min(1380px,calc(100% - 48px));margin:0 auto}.section{padding:34px 0}.section-head{display:flex;align-items:end;gap:18px;margin-bottom:18px}.section-head h2{margin:0;font-size:25px;letter-spacing:-.02em}.section-head p{margin:0;color:var(--muted);font-size:14px}.section-head .more{margin-left:auto;border:0;background:transparent;color:var(--accent);cursor:pointer;font-weight:750}
.hero{padding:42px 0 28px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:24px;align-items:stretch}.hero-copy{border:1px solid var(--line);border-radius:30px;padding:52px;background:linear-gradient(145deg,var(--panel),var(--panel2));position:relative;overflow:hidden;min-height:420px;box-shadow:var(--shadow-sm)}.hero-copy:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(168,85,247,.23),transparent 64%);right:-120px;top:-160px}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border-radius:999px;background:var(--accentSoft);color:#c4a7ff;font-size:12px;font-weight:800;border:1px solid rgba(168,85,247,.24)}html[data-theme="light"] .eyebrow{color:#6d28d9}.hero h1{font-size:52px;line-height:1.08;margin:22px 0 17px;letter-spacing:-.045em;max-width:760px}.hero h1 span{background:linear-gradient(90deg,#c084fc,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{color:var(--text2);font-size:18px;line-height:1.8;max-width:690px;margin:0 0 28px}.cta-row{display:flex;gap:12px;align-items:center}.primary,.secondary{height:47px;border-radius:14px;padding:0 19px;border:1px solid transparent;cursor:pointer;font-weight:800}.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 10px 25px rgba(124,58,237,.24)}.secondary{background:var(--panel2);border-color:var(--line);color:var(--text)}.primary:hover,.secondary:hover{transform:translateY(-1px)}
.hero-side{display:grid;grid-template-rows:1.5fr .5fr;gap:14px}.continue-card{border-radius:30px;border:1px solid var(--line);overflow:hidden;background:var(--panel);box-shadow:var(--shadow-sm);cursor:pointer;position:relative}.continue-cover{height:250px;background:url('../images/flower_frame.png') center/cover no-repeat;position:relative}.continue-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(5,6,9,.78))}.continue-info{position:absolute;left:22px;right:22px;bottom:19px;color:#fff;z-index:2}.continue-info h3{margin:5px 0 7px;font-size:21px}.continue-info .meta{font-size:12px;opacity:.78}.progressbar{height:5px;border-radius:99px;background:rgba(255,255,255,.2);margin-top:13px;overflow:hidden}.progressbar>i{display:block;height:100%;width:18%;background:linear-gradient(90deg,#c084fc,#22d3ee);border-radius:99px}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat{border:1px solid var(--line);border-radius:20px;padding:18px;background:var(--panel);text-align:center}.stat b{display:block;font-size:21px;margin-bottom:4px}.stat span{font-size:12px;color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.collection-card,.video-card,.creator-card{border:1px solid var(--line);background:var(--panel);border-radius:20px;overflow:hidden;cursor:pointer;transition:.2s;box-shadow:0 4px 16px rgba(0,0,0,.04)}.collection-card:hover,.video-card:hover,.creator-card:hover{transform:translateY(-4px);border-color:rgba(168,85,247,.35);box-shadow:var(--shadow-sm)}.cover{aspect-ratio:16/9;position:relative;background-size:cover;background-position:center}.cover:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(0,0,0,.55))}.badge{position:absolute;z-index:2;top:11px;left:11px;padding:5px 8px;border-radius:8px;background:rgba(10,12,17,.70);color:#fff;font-size:11px;font-weight:800;backdrop-filter:blur(8px)}.card-body{padding:15px}.card-title{font-weight:800;font-size:15px;line-height:1.45;margin-bottom:7px}.card-meta{color:var(--muted);font-size:12px;display:flex;gap:10px}.creator-card{padding:18px;display:flex;align-items:center;gap:13px}.creator-pic{width:52px;height:52px;border-radius:16px;background:linear-gradient(145deg,#a855f7,#22d3ee);display:grid;place-items:center;font-size:22px;font-weight:900;color:white}.creator-card b{font-size:15px}.creator-card p{margin:4px 0 0;color:var(--muted);font-size:12px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature{padding:22px;border:1px solid var(--line);border-radius:22px;background:var(--panel)}.feature-icon{width:42px;height:42px;border-radius:13px;background:var(--accentSoft);display:grid;place-items:center;font-size:19px;margin-bottom:15px}.feature h3{margin:0 0 7px;font-size:16px}.feature p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
/* collection */
.collection-hero{padding:34px 0 22px}.collection-banner{border:1px solid var(--line);border-radius:28px;overflow:hidden;background:var(--panel);display:grid;grid-template-columns:420px 1fr;min-height:280px}.collection-art{background:url('../images/flower_frame.png') center/cover;position:relative}.collection-art:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(13,17,23,.42))}.collection-copy{padding:38px;display:flex;flex-direction:column;justify-content:center}.collection-copy .crumb{color:var(--muted);font-size:12px;margin-bottom:12px}.collection-copy h1{font-size:34px;margin:0 0 11px;letter-spacing:-.03em}.collection-copy p{color:var(--text2);line-height:1.75;margin:0 0 19px;max-width:720px}.tags{display:flex;gap:8px;flex-wrap:wrap}.tag{font-size:11px;padding:6px 9px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:var(--panel2)}.sortbar{display:flex;align-items:center;gap:8px;margin:10px 0 18px}.sortbar .sort{border:1px solid var(--line);background:var(--panel);padding:8px 12px;border-radius:11px;cursor:pointer;color:var(--muted)}.sort.active{color:var(--text);border-color:rgba(168,85,247,.4);background:var(--accentSoft)}
.component-library{padding:34px 0 60px}.component-hero{border:1px solid var(--line);border-radius:28px;padding:32px;background:linear-gradient(145deg,var(--panel),var(--panel2));box-shadow:var(--shadow-sm);margin-bottom:22px}.component-hero h1{margin:0 0 10px;font-size:34px;letter-spacing:-.03em}.component-hero p{margin:0;color:var(--text2);line-height:1.8;max-width:820px}.components-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.component-shot{border:1px solid var(--line);background:var(--panel);border-radius:24px;padding:16px;box-shadow:var(--shadow-sm)}.component-shot img{width:100%;display:block;border-radius:18px;border:1px solid var(--line);background:var(--bg2)}.component-meta{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:14px 4px 2px}.component-meta h3{margin:0;font-size:18px}.component-meta p{margin:6px 0 0;color:var(--muted);font-size:13px;line-height:1.7}.component-badge{padding:6px 10px;border-radius:999px;background:var(--accentSoft);color:var(--accent);font-size:12px;font-weight:800;white-space:nowrap}
/* video page */
.video-page{height:calc(100vh - var(--navH));overflow:hidden}.study-top{height:48px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 20px;gap:10px;background:var(--bg)}.study-back{border:0;background:transparent;cursor:pointer;color:var(--muted);font-size:22px}.study-title{font-size:15px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.study-top .spacer{flex:1}.study-chip{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:6px 9px;font-size:12px;color:var(--muted);cursor:pointer}.study-grid{height:calc(100% - 48px);display:grid;grid-template-columns:minmax(610px,1.08fr) minmax(390px,.92fr)}.study-left{min-width:0;padding:14px 18px 12px;display:flex;flex-direction:column;overflow:auto}.player{aspect-ratio:16/9;border-radius:18px;overflow:hidden;background:#020304;position:relative;border:1px solid var(--line);box-shadow:var(--shadow-sm)}.player video{display:block;width:100%;height:100%;object-fit:cover;background:#000}.player-overlay{position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,transparent 68%,rgba(0,0,0,.18))}.current-sentence{min-height:136px;display:grid;place-items:center;text-align:center;padding:23px 30px 15px}.current-en{font-family:Georgia,"Times New Roman",serif;font-size:calc(var(--font) + 3px);font-weight:750;line-height:1.55;word-spacing:var(--wordGap);max-width:900px}.current-zh{font-size:14px;color:#9bb0d1;margin-top:10px}.timeline{padding:0 9px}.seek{appearance:none;width:100%;height:4px;border-radius:99px;outline:none;background:linear-gradient(90deg,var(--accent) var(--pct,0%),var(--line2) var(--pct,0%));cursor:pointer}.seek::-webkit-slider-thumb{-webkit-appearance:none;width:13px;height:13px;border-radius:50%;background:white;border:3px solid var(--accent);box-shadow:0 0 0 3px rgba(168,85,247,.13)}.time{display:flex;font-size:10px;color:var(--muted);margin-top:5px}.time span:last-child{margin-left:auto}.player-controls{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px;padding:10px 8px 0}.ctl-left,.study-modes{display:flex;gap:12px;align-items:center}.study-modes{justify-content:flex-end}.ctl{border:0;background:transparent;cursor:pointer;color:var(--text2);font-size:13px}.ctl.on{color:var(--accent)}.main-play{width:48px;height:48px;border:0;border-radius:50%;background:var(--text);color:var(--bg);cursor:pointer;display:grid;place-items:center;font-size:20px}.center-ctl{display:flex;align-items:center;gap:18px}.jump{border:0;background:transparent;color:var(--text);cursor:pointer;font-size:20px}.mode{border:0;background:transparent;color:var(--muted);font-size:12px;font-weight:800;padding:7px 0;border-bottom:2px solid transparent;cursor:pointer}.mode.active{color:var(--accent);border-color:var(--accent)}
.transcript-wrap{border-left:1px solid var(--line);min-height:0;overflow:hidden;background:linear-gradient(90deg,rgba(168,85,247,.02),transparent)}.transcript-head{height:44px;display:flex;align-items:center;padding:0 20px;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.transcript-head b{color:var(--text);margin-right:7px}.transcript{height:calc(100% - 44px);overflow:auto;padding:8px 28px 80px 42px;scroll-behavior:smooth}.transcript::-webkit-scrollbar{width:7px}.transcript::-webkit-scrollbar-thumb{background:var(--line2);border-radius:99px}.line{position:relative;padding:12px 6px 12px 0;opacity:.54;cursor:pointer;transition:.2s}.line:hover{opacity:.9}.line.active{opacity:1}.line.active:before{content:"";position:absolute;left:-27px;top:18px;width:3px;height:42px;border-radius:3px;background:linear-gradient(var(--accent),var(--cyan))}.line-en{font-family:Georgia,"Times New Roman",serif;font-size:var(--font);line-height:1.7;word-spacing:var(--wordGap)}.line-zh{font-size:13px;color:var(--muted);line-height:1.7;margin-top:3px}.line-actions{display:flex;gap:10px;margin-top:10px;opacity:0;flex-wrap:wrap}.line:hover .line-actions,.line.active .line-actions{opacity:1}.action-chip{display:inline-flex;align-items:center;gap:7px;min-height:32px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--panel2);color:var(--muted);cursor:pointer;font-size:12px;font-weight:700;transition:transform .15s ease,border-color .15s ease,color .15s ease,background .15s ease,box-shadow .15s ease}.action-chip:hover{transform:translateY(-1px);border-color:rgba(168,85,247,.35);color:var(--text);box-shadow:0 8px 18px rgba(0,0,0,.06)}.action-chip .icon{font-size:13px;line-height:1}.action-chip .label{line-height:1}.action-chip.copySentence:hover{background:var(--accentSoft)}.action-chip.favSentence.on{color:var(--pink);border-color:rgba(236,72,153,.30);background:rgba(236,72,153,.10)}.action-chip.favSentence.on .label{color:var(--pink)}
/* words */
.word-token{display:inline-block;position:relative;border-radius:7px;padding:0 .05em;cursor:pointer;transition:transform .12s,background .12s,color .12s,box-shadow .12s}.word-token:hover{transform:translateY(-1px);background:var(--accentSoft);box-shadow:0 0 0 1px rgba(168,85,247,.18)}.word-token.level-cet4{color:var(--mint)}.word-token.level-cet6{color:var(--cyan)}.word-token.level-ielts{color:#c084fc}.word-token.level-phrase{color:#f59e0b}.word-token.saved{background:linear-gradient(180deg,rgba(236,72,153,.11),rgba(236,72,153,.05));box-shadow:inset 0 -1px 0 rgba(236,72,153,.42)}html[data-theme="light"] .word-token.level-cet4{color:#059669}html[data-theme="light"] .word-token.level-cet6{color:#0891b2}html[data-theme="light"] .word-token.level-ielts{color:#7c3aed}html[data-theme="light"] .word-token.level-phrase{color:#b45309}
html[data-track="outline"] .word-token[class*="level-"]{color:inherit;text-shadow:.6px 0 rgba(168,85,247,.7),-.6px 0 rgba(168,85,247,.7),0 .6px rgba(168,85,247,.7),0 -.6px rgba(168,85,247,.7)}
.dict{position:fixed;z-index:100;width:370px;max-width:calc(100vw - 28px);border:1px solid var(--line2);background:var(--glass);backdrop-filter:blur(24px);border-radius:20px;box-shadow:var(--shadow);padding:0;overflow:hidden;display:none}.dict.show{display:block;animation:pop .14s ease-out}@keyframes pop{from{transform:translateY(4px) scale(.985);opacity:.4}}.dict-top{padding:18px 18px 14px;background:linear-gradient(135deg,var(--accentSoft),transparent);border-bottom:1px solid var(--line)}.dict-row{display:flex;align-items:start;gap:12px}.dict-word{font-size:27px;font-weight:900;letter-spacing:-.025em}.dict-phon{color:var(--muted);font-size:12px;margin-top:3px}.speakbtn{margin-left:auto;width:36px;height:36px;border-radius:11px;border:1px solid var(--line);background:var(--panel);cursor:pointer}.dict-close{border:0;background:transparent;cursor:pointer;color:var(--muted);font-size:18px}.level-badges{display:flex;gap:6px;margin-top:10px}.level-badge{font-size:10px;font-weight:850;padding:4px 7px;border-radius:999px;background:var(--panel);border:1px solid var(--line);color:var(--muted)}.dict-body{padding:16px 18px}.sense{padding:12px 13px;background:var(--panel2);border:1px solid var(--line);border-radius:13px;margin-bottom:10px}.sense b{font-size:12px;color:var(--accent);margin-right:6px}.sense p{margin:5px 0 0;font-size:14px;line-height:1.6;color:var(--text2)}.context-box{border-left:3px solid var(--accent);padding:9px 12px;background:var(--accentSoft);border-radius:0 11px 11px 0;font-family:Georgia,serif;font-size:13px;line-height:1.6}.dict-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:13px}.dict-actions button{height:40px;border-radius:11px;border:1px solid var(--line);background:var(--panel);cursor:pointer;font-weight:800}.dict-actions .saveword{background:linear-gradient(135deg,var(--accent),var(--accent2));color:white;border:0}.dict-actions .saveword.saved{background:linear-gradient(135deg,#059669,#10b981)}
/* settings */
.backdrop{position:fixed;inset:0;z-index:90;background:rgba(3,5,8,.58);backdrop-filter:blur(8px);display:none}.backdrop.show{display:block}.settings{position:absolute;right:7%;top:50%;transform:translateY(-50%);width:510px;max-width:calc(100vw - 30px);border:1px solid var(--line2);background:var(--panel);border-radius:24px;box-shadow:var(--shadow);padding:23px}.set-head{display:flex;align-items:center;margin-bottom:20px}.set-head b{font-size:18px}.set-head button{margin-left:auto;border:0;background:transparent;color:var(--muted);font-size:21px;cursor:pointer}.set-sec{margin:20px 0}.set-title{font-size:12px;font-weight:850;color:var(--muted);margin-bottom:10px}.theme-grid,.track-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.option{height:44px;border:1px solid var(--line);background:var(--panel2);border-radius:13px;padding:0 13px;text-align:left;color:var(--muted);cursor:pointer}.option.active{border-color:rgba(168,85,247,.5);background:var(--accentSoft);color:var(--text)}.range{width:100%;accent-color:var(--accent)}.range-labels{display:grid;grid-template-columns:repeat(4,1fr);font-size:10px;color:var(--muted);margin-bottom:8px}.range-labels span:nth-child(n+2){text-align:center}.range-labels span:last-child{text-align:right}.level-row{display:flex;gap:7px;flex-wrap:wrap}.level-toggle{padding:6px 10px;border-radius:999px;border:1px solid rgba(168,85,247,.24);background:var(--accentSoft);color:var(--text);font-size:11px;cursor:pointer}.level-toggle.off{background:var(--panel2);border-color:var(--line);color:var(--muted);opacity:.55;text-decoration:line-through}
/* follow */
.follow{position:fixed;z-index:80;left:50%;top:52%;transform:translate(-50%,-50%);width:470px;max-width:calc(100vw - 28px);border:1px solid var(--line2);background:var(--glass);backdrop-filter:blur(22px);border-radius:24px;box-shadow:var(--shadow);padding:22px;display:none}.follow.show{display:block}.follow-head{display:flex;align-items:center}.follow-head b{font-size:17px}.follow-head button{margin-left:auto;border:0;background:transparent;color:var(--muted);font-size:20px;cursor:pointer}.follow-sentence{font-family:Georgia,serif;font-size:20px;line-height:1.6;margin:18px 0}.wave{height:95px;background:var(--panel2);border:1px solid var(--line);border-radius:15px;display:flex;align-items:center;justify-content:center;gap:4px;overflow:hidden}.bar{width:4px;height:18px;border-radius:3px;background:rgba(168,85,247,.46)}.wave.recording .bar{animation:wave .55s ease-in-out infinite alternate}.bar:nth-child(3n){animation-delay:.12s}.bar:nth-child(4n){animation-delay:.2s}@keyframes wave{to{height:67px;background:var(--accent)}}.record{display:block;margin:17px auto 0;width:58px;height:58px;border-radius:50%;border:6px solid var(--accentSoft);background:var(--accent);cursor:pointer}.score{display:none;margin-top:13px;padding:12px;border-radius:13px;background:rgba(52,211,153,.10);border:1px solid rgba(52,211,153,.25);color:var(--mint);font-size:13px}.score.show{display:block}
/* logic drawer */
.logic-drawer{position:fixed;z-index:120;right:-560px;top:0;width:540px;max-width:94vw;height:100vh;background:#0b0f16;color:#e8edf6;border-left:1px solid #293242;box-shadow:-20px 0 70px rgba(0,0,0,.35);transition:.25s;padding:20px;overflow:auto}.logic-drawer.show{right:0}.logic-head{display:flex;align-items:center}.logic-head h3{margin:0;font-size:18px}.logic-head button{margin-left:auto;border:0;background:#151b25;color:#98a3b5;border-radius:10px;width:34px;height:34px;cursor:pointer}.logic-sub{color:#8490a2;font-size:12px;line-height:1.7;margin:10px 0 18px}.flow{display:grid;grid-template-columns:1fr auto 1fr;gap:9px;align-items:center}.node{padding:11px;border-radius:12px;border:1px solid #293242;background:#121823;font-size:12px}.arrow{color:#6d7d93}.logic-sec{margin-top:18px}.logic-sec h4{font-size:12px;color:#8f9bae;text-transform:uppercase;letter-spacing:.1em}.kv{display:grid;grid-template-columns:150px 1fr;gap:6px 10px;font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}.kv div:nth-child(odd){color:#8390a3}.kv div:nth-child(even){color:#c5d0df;word-break:break-all}.log{background:#070a0f;border:1px solid #202838;border-radius:12px;padding:10px;height:230px;overflow:auto;font:11px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace}.log div{color:#8998ac}.log b{color:#b98cff}.api-row{padding:10px;border:1px solid #263044;border-radius:10px;background:#111722;margin-bottom:7px;font:11px ui-monospace,monospace}.method{color:#40d9aa;font-weight:800}.toast{position:fixed;left:50%;bottom:28px;z-index:200;transform:translate(-50%,10px);padding:9px 13px;border-radius:10px;background:#0e131b;color:#fff;border:1px solid #2f3948;box-shadow:var(--shadow);font-size:12px;opacity:0;pointer-events:none;transition:.18s}.toast.show{opacity:1;transform:translate(-50%,0)}
.spelling-input{margin-top:12px;width:min(600px,90%);border:1px solid var(--line);background:var(--panel2);border-radius:12px;color:var(--text);padding:10px 12px;text-align:center;outline:none}.spelling-feedback{font-size:12px;margin-top:7px;color:var(--muted)}
@media(max-width:1100px){.hero-grid{grid-template-columns:1fr}.cards{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:1fr}.components-grid{grid-template-columns:1fr}.study-grid{grid-template-columns:1fr}.video-page{height:auto;overflow:visible}.study-grid{height:auto}.transcript-wrap{border-left:0;border-top:1px solid var(--line);height:620px}.study-left{overflow:visible}.collection-banner{grid-template-columns:1fr}.collection-art{height:240px}.navlinks{display:none}.search{display:none}}
@media(max-width:650px){.container{width:min(100% - 26px,1380px)}.nav{padding:0 14px;gap:10px}.cards{grid-template-columns:1fr}.hero-copy{padding:28px}.hero h1{font-size:38px}.hero-side{grid-template-rows:auto auto}.mini-stats{grid-template-columns:repeat(3,1fr)}.study-left{padding:10px}.study-modes{display:none}.player-controls{grid-template-columns:1fr auto}.ctl-left{display:none}.current-sentence{min-height:120px}.line-en{font-size:17px}}

/* ===== Home dashboard v3: rebuilt from the generated UI reference ===== */
.home-dashboard{background:var(--bg2);min-height:100vh}.home-layout{min-height:100vh;display:grid;grid-template-columns:210px minmax(680px,1fr) 300px;gap:0;width:min(1536px,100%);margin:0 auto;background:var(--bg)}
.home-sidebar{padding:24px 18px 22px;border-right:1px solid var(--line);background:color-mix(in srgb,var(--panel) 92%,transparent);display:flex;flex-direction:column;min-width:0}.home-brand{display:flex;align-items:center;gap:10px;padding:4px 7px 24px;cursor:pointer}.home-brand-wave{font-size:31px;line-height:1;color:var(--accent);font-weight:900;transform:rotate(90deg)}.home-brand b{font-size:20px;display:block;letter-spacing:-.02em}.home-brand small{display:block;font-size:8px;color:var(--muted);margin-top:2px}.home-nav{display:grid;gap:5px}.home-nav-item{height:43px;border:0;background:transparent;border-radius:12px;color:var(--text2);display:flex;align-items:center;gap:11px;padding:0 13px;cursor:pointer;text-align:left;font-weight:700}.home-nav-item span{width:22px;text-align:center;font-size:18px;color:var(--muted)}.home-nav-item:hover,.home-nav-item.active{background:var(--accentSoft);color:var(--accent)}.home-nav-item.active span{color:var(--accent)}
.home-pro-card{margin-top:auto;border:1px solid rgba(168,85,247,.18);border-radius:20px;padding:20px 17px;background:linear-gradient(145deg,var(--accentSoft),color-mix(in srgb,var(--panel) 92%,transparent));box-shadow:var(--shadow-sm)}.pro-crown{font-size:26px;color:#f5b942}.home-pro-card h3{margin:9px 0 3px;font-size:16px;color:var(--accent)}.home-pro-card p{margin:0 0 12px;color:var(--muted);font-size:12px}.home-pro-card ul{list-style:none;padding:0;margin:0 0 15px;display:grid;gap:7px;color:var(--text2);font-size:12px}.home-pro-card li::first-letter{color:var(--accent)}.home-pro-card button{width:100%;height:40px;border:0;border-radius:11px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:white;font-weight:800;cursor:pointer}
.home-center{padding:12px 24px 50px;min-width:0}.home-topbar{height:52px;display:flex;align-items:center;gap:16px}.home-search{height:38px;border:1px solid var(--line);background:var(--panel2);border-radius:999px;display:flex;align-items:center;gap:8px;padding:0 14px;color:var(--muted);flex:1;max-width:650px}.home-search input{border:0;background:transparent;outline:none;color:var(--text);width:100%;font-size:13px}.home-top-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.home-top-actions>button{height:36px;min-width:36px;padding:0 10px;border:1px solid var(--line);border-radius:999px;background:var(--panel2);color:var(--text2);cursor:pointer}.home-user{display:flex;align-items:center;gap:8px;padding-left:5px}.home-user-avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--cyan));color:#fff;font-weight:900}.home-user b{font-size:13px}.home-user em{font-style:normal;font-size:9px;background:#f5b942;color:#3d2a00;padding:3px 6px;border-radius:999px;font-weight:900}
.home-hero{height:260px;border-radius:18px;overflow:hidden;position:relative;background:url('../images/flower_frame.png') center/cover no-repeat;box-shadow:var(--shadow-sm);isolation:isolate}.home-hero:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 20%,rgba(255,255,255,.12),transparent 25%);z-index:0}.home-hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,14,24,.84) 0%,rgba(34,15,55,.58) 46%,rgba(15,21,28,.12) 100%);z-index:0}.home-hero-content{position:relative;z-index:2;color:#fff;padding:32px 40px}.home-kicker{font-size:10px;letter-spacing:.16em;color:#e9d5ff;font-weight:900;margin-bottom:8px}.home-hero h1{font-size:38px;line-height:1.02;margin:0 0 9px;letter-spacing:-.04em;font-style:italic}.home-hero p{margin:0 0 17px;font-size:17px;font-weight:750}.home-start{height:43px;border:0;border-radius:999px;padding:0 18px;background:linear-gradient(135deg,#8b5cf6,#7c3aed);color:#fff;font-weight:900;box-shadow:0 10px 24px rgba(124,58,237,.35);cursor:pointer}.home-start span{display:inline-grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#fff;color:#7c3aed;margin-right:6px;font-size:10px}.hero-dots{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:6px}.hero-dots i{width:7px;height:4px;border-radius:99px;background:rgba(255,255,255,.45)}.hero-dots i.active{width:23px;background:#fff}
.home-category-row{display:grid;grid-template-columns:repeat(9,minmax(56px,1fr));gap:10px;margin:14px 0 20px}.home-category-row button{border:1px solid transparent;background:transparent;color:var(--text2);font-size:11px;font-weight:700;cursor:pointer;padding:8px 4px 10px;border-radius:18px;transition:transform .16s ease,border-color .16s ease,background .16s ease,box-shadow .16s ease,color .16s ease}.home-category-row button:hover{transform:translateY(-1px);background:var(--panel);border-color:var(--line);box-shadow:0 8px 22px rgba(0,0,0,.05)}.home-category-row button.active{background:linear-gradient(180deg,var(--panel),var(--accentSoft));border-color:rgba(124,92,255,.24);color:var(--text);box-shadow:0 14px 28px rgba(124,92,255,.12)}.home-category-row span{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;margin:0 auto 7px;background:var(--panel2);border:1px solid var(--line);font-size:18px;box-shadow:0 5px 16px rgba(0,0,0,.04);transition:background .16s ease,border-color .16s ease,transform .16s ease}.home-category-row button.active span{background:linear-gradient(135deg,var(--accent),var(--accent2));border-color:transparent;color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(124,92,255,.24)}.home-category-row .cat-name{display:block;line-height:1.2}.is-hidden-by-category{display:none !important}
.home-section{margin-top:22px}.home-section-head{display:flex;align-items:end;margin-bottom:11px}.home-section-head h2{font-size:20px;margin:0}.home-section-head p{font-size:11px;color:var(--muted);margin:3px 0 0}.home-section-head button{margin-left:auto;border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:11px}.home-video-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.home-video-card{border:1px solid var(--line);border-radius:15px;background:var(--panel);overflow:hidden;cursor:pointer;box-shadow:0 6px 18px rgba(0,0,0,.04);transition:.18s}.home-video-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}.home-video-card .home-thumb{aspect-ratio:2.15/1;overflow:hidden;position:relative;background:var(--panel2)}.home-thumb img{width:100%;height:100%;object-fit:cover;display:block}.home-thumb .duration{position:absolute;right:7px;bottom:6px;background:rgba(0,0,0,.75);color:#fff;border-radius:6px;padding:3px 5px;font-size:9px}.home-video-body{padding:9px 9px 8px}.home-video-body h3{margin:0;line-height:1.25;font-size:11px;min-height:28px}.home-card-foot{display:flex;justify-content:space-between;color:var(--muted);font-size:9px;margin-top:8px}.learn-progress{height:3px;background:var(--line);border-radius:99px;margin-top:7px;overflow:hidden}.learn-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#8b5cf6);border-radius:99px}
.home-collection-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.home-collection-card{border:1px solid var(--line);background:var(--panel);border-radius:14px;overflow:hidden;cursor:pointer;transition:.18s}.home-collection-card:hover{transform:translateY(-2px)}.home-collection-card .collection-img{aspect-ratio:1.65/1;overflow:hidden}.collection-img img{width:100%;height:100%;object-fit:cover;display:block}.home-collection-card .collection-info{padding:9px}.collection-info b{font-size:11px;display:block}.collection-info span{color:var(--muted);font-size:9px}.home-creators{display:grid;grid-template-columns:repeat(6,1fr);gap:13px}.home-creator{text-align:center;cursor:pointer}.home-creator .creator-orb{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;margin:0 auto 7px;color:#fff;font-weight:900;font-size:16px;background:linear-gradient(145deg,var(--accent),var(--cyan));position:relative}.creator-orb i{position:absolute;right:-1px;bottom:0;width:16px;height:16px;border-radius:50%;background:#d9ccff;color:#6d28d9;display:grid;place-items:center;font-style:normal;font-size:12px;border:2px solid var(--bg)}.home-creator b{font-size:10px;display:block}.home-creator small{font-size:9px;color:var(--muted)}.home-latest-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.home-right{padding:64px 18px 30px 0;display:flex;flex-direction:column;gap:12px;min-width:0}.right-quote,.right-card{border:1px solid var(--line);background:var(--panel);border-radius:17px;padding:16px;box-shadow:0 6px 18px rgba(0,0,0,.035)}.right-quote{background:linear-gradient(135deg,color-mix(in srgb,var(--accentSoft) 80%,var(--panel)),color-mix(in srgb,var(--cyan) 7%,var(--panel)));position:relative;overflow:hidden}.quote-mark{font-size:32px;color:var(--accent);font-weight:900;line-height:.8}.right-quote b{display:block;font-size:16px;line-height:1.25;margin:2px 0 9px}.right-quote p{font-size:11px;line-height:1.6;color:var(--muted);margin:0}.right-title{display:flex;align-items:center}.right-title h3{margin:0;font-size:14px}.right-title button{margin-left:auto;border:0;background:transparent;color:var(--muted);font-size:9px;cursor:pointer}.right-title.green h3{color:#10b981}.study-stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:13px}.study-stat-grid>div{display:grid;grid-template-columns:34px 1fr;grid-template-rows:auto auto;column-gap:8px;align-items:center}.stat-icon{grid-row:1/3;width:34px;height:34px;border-radius:9px;display:grid;place-items:center}.stat-icon.mint{background:rgba(52,211,153,.13);color:#10b981}.stat-icon.blue{background:rgba(59,130,246,.12);color:#3b82f6}.stat-icon.orange{background:rgba(245,158,11,.12);color:#f59e0b}.stat-icon.purple{background:rgba(168,85,247,.12);color:#a855f7}.study-stat-grid b{font-size:15px}.study-stat-grid small{font-size:9px;color:var(--muted)}.streak-title{font-size:14px;font-weight:850}.streak-title strong{color:#f97316;font-size:18px}.week-row,.date-row{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;gap:4px}.week-row{font-size:8px;color:var(--muted);margin:12px 0 5px}.date-row b{font-size:9px;width:27px;height:27px;border-radius:50%;display:grid;place-items:center;margin:auto;background:var(--panel2)}.date-row b.today{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}.streak p{font-size:9px;color:var(--muted);text-align:center;margin:12px 0 0}.daily-thumb{height:96px;border-radius:12px;overflow:hidden;margin-top:12px;background:var(--panel2)}.daily-thumb img{width:100%;height:100%;object-fit:cover;display:block}.daily-pick h4{font-size:12px;margin:9px 0 3px}.daily-pick p{font-size:9px;color:var(--muted);margin:0 0 10px}.daily-start{width:100%;height:35px;border:0;border-radius:999px;background:linear-gradient(135deg,#10b981,#22c55e);color:#fff;font-weight:900;cursor:pointer}.tag-cloud{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px}.tag-cloud span{padding:5px 8px;border-radius:999px;background:var(--accentSoft);color:var(--accent);font-size:9px;font-weight:750}.progress-mini{font-size:10px}.progress-mini>div:first-child{display:flex;justify-content:space-between}.progress-mini #homeProgressText{color:var(--muted)}.progress-mini .progressbar{background:var(--line)}.mini-fav{margin-top:8px;color:var(--muted)}
html[data-theme="dark"] .home-dashboard{--bg:#0e1118;--bg2:#090c12}.home-dashboard .progressbar{height:4px}.home-dashboard .progressbar i{background:linear-gradient(90deg,var(--accent),var(--cyan))}
/* Settings v2: actual interactive components based on generated UI */
.settings-v2{width:620px;max-height:88vh;overflow:auto;padding:20px;border-radius:24px}.settings-v2 .set-head{position:sticky;top:-20px;z-index:3;background:linear-gradient(var(--panel) 78%,transparent);padding:3px 0 14px}.settings-v2 .set-head>div b{font-size:19px}.settings-v2 .set-head>div small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.ui-set-section{border-top:1px solid var(--line);padding-top:14px;margin:14px 0}.set-title-row{display:flex;align-items:center;gap:10px;margin-bottom:10px}.set-index{width:27px;height:27px;border-radius:8px;background:linear-gradient(135deg,var(--accentSoft),rgba(168,85,247,.3));color:var(--accent);display:grid;place-items:center;font-size:11px;font-weight:900}.set-title-row b{font-size:13px}.set-title-row small{display:block;color:var(--muted);font-size:9px;margin-top:2px}.ui-option-grid{gap:9px}.setting-card{min-height:62px!important;height:auto!important;display:flex;align-items:center;gap:10px!important;padding:10px 12px!important;position:relative}.setting-card .setting-icon{width:38px;height:38px;border-radius:11px;background:var(--panel);display:grid;place-items:center;font-size:21px}.setting-card .setting-copy{display:block}.setting-card .setting-copy b{display:block;font-size:12px;color:var(--text)}.setting-card .setting-copy small{display:block;font-size:9px;margin-top:2px;color:var(--muted)}.setting-check{margin-left:auto;width:20px;height:20px;border-radius:50%;display:none;place-items:center;background:var(--accent);color:white;font-size:10px}.setting-card.active .setting-check{display:grid}.choice-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.visual-choice{height:76px;border:1px solid var(--line);border-radius:14px;background:var(--panel2);color:var(--text2);display:grid;place-items:center;align-content:center;gap:3px;cursor:pointer}.visual-choice strong{font-weight:500}.size-grid .visual-choice:nth-child(1) strong{font-size:17px}.size-grid .visual-choice:nth-child(2) strong{font-size:22px}.size-grid .visual-choice:nth-child(3) strong{font-size:27px}.size-grid .visual-choice:nth-child(4) strong{font-size:32px}.visual-choice span{font-size:10px}.visual-choice.active{border-color:rgba(168,85,247,.7);background:linear-gradient(145deg,var(--accentSoft),var(--panel2));color:var(--accent);box-shadow:inset 0 0 0 1px rgba(168,85,247,.12)}.highlight-toggle{width:100%;height:58px;border:1px solid rgba(168,85,247,.35);border-radius:15px;background:linear-gradient(135deg,var(--accentSoft),var(--panel2));display:flex;align-items:center;padding:0 13px;color:var(--text);cursor:pointer}.highlight-toggle span{text-align:left}.highlight-toggle b{display:block;color:var(--accent);font-size:12px}.highlight-toggle small{display:block;color:var(--muted);font-size:9px;margin-top:2px}.highlight-toggle i{margin-left:auto;width:48px;height:27px;border-radius:999px;background:var(--accent);position:relative;transition:.18s}.highlight-toggle i:after{content:"";position:absolute;width:21px;height:21px;border-radius:50%;background:white;right:3px;top:3px;box-shadow:0 2px 8px rgba(0,0,0,.18);transition:.18s}.highlight-toggle.off{border-color:var(--line);background:var(--panel2)}.highlight-toggle.off b{color:var(--muted)}.highlight-toggle.off i{background:var(--line2)}.highlight-toggle.off i:after{right:24px}.level-row.v2{gap:7px}.level-row.v2 .level-toggle{min-width:58px;text-decoration:none!important}.sentence-action-preview{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.sentence-action-preview button{height:43px;border:1px solid var(--line);border-radius:12px;background:var(--panel2);color:var(--text2);font-size:10px;font-weight:750;cursor:pointer}.sentence-action-preview .saved{background:linear-gradient(135deg,var(--accent),#b76ef1);color:#fff;border:0}.sentence-action-preview i{font-style:normal;margin-left:6px}.line-actions .action-chip{min-width:96px;justify-content:center}.line-actions .favSentence.on{background:linear-gradient(135deg,rgba(168,85,247,.17),rgba(236,72,153,.09));border-color:rgba(168,85,247,.4)}
@media(max-width:1250px){.home-layout{grid-template-columns:190px 1fr}.home-right{grid-column:2;padding:0 24px 35px;display:grid;grid-template-columns:repeat(2,1fr)}.home-sidebar{grid-row:1/3}.home-video-grid{grid-template-columns:repeat(2,1fr)}.home-collection-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:850px){.home-layout{display:block}.home-sidebar{display:none}.home-center{padding:10px 14px 35px}.home-right{display:grid;grid-template-columns:1fr;padding:0 14px 30px}.home-top-actions .home-user b,.home-top-actions .home-user em{display:none}.home-category-row{grid-template-columns:repeat(5,1fr)}.home-video-grid{grid-template-columns:repeat(2,1fr)}.home-collection-grid{grid-template-columns:repeat(2,1fr)}.home-creators{grid-template-columns:repeat(3,1fr)}.home-latest-grid{grid-template-columns:repeat(2,1fr)}.home-hero{height:230px}.home-hero-content{padding:27px}.home-hero h1{font-size:31px}.settings-v2{width:calc(100vw - 24px);right:12px}.choice-grid{grid-template-columns:repeat(2,1fr)}.sentence-action-preview{grid-template-columns:1fr}}


/* ===== Full product UI completion ===== */
:root{--content-max:1440px;--radius-sm:14px;--radius-md:18px;--radius-lg:24px}
.ui-icon,[data-icon] svg{width:1em;height:1em;display:block;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.navlink{display:flex;align-items:center;gap:7px}.navlink [data-icon]{font-size:16px}.app-nav{padding:0 28px}.global-search-trigger{height:40px;width:min(300px,28vw);display:flex;align-items:center;gap:9px;border:1px solid var(--line);background:var(--panel2);border-radius:12px;padding:0 11px;color:var(--muted);cursor:pointer;text-align:left}.global-search-trigger span{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.global-search-trigger kbd,.home-search kbd{font-size:9px;border:1px solid var(--line2);border-radius:5px;padding:2px 5px;background:var(--panel);color:var(--muted)}.avatar-btn{border:0;background:transparent;display:flex;align-items:center;gap:8px;cursor:pointer}.avatar-copy{display:flex;flex-direction:column;align-items:flex-start}.avatar-copy b{font-size:12px}.avatar-copy small{font-size:8px;color:var(--accent);font-weight:900}.notice-dot{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--danger);right:7px;top:7px}.iconbtn{position:relative}.dev-only{display:none!important}
.home-nav-item{display:flex!important;align-items:center!important;gap:12px!important}.home-nav-item>i{font-size:18px;width:20px;display:grid;place-items:center}.home-search{border:1px solid var(--line);background:var(--panel);height:42px;border-radius:13px;padding:0 13px;display:flex;align-items:center;gap:9px;color:var(--muted);cursor:pointer;min-width:min(480px,48vw);box-shadow:0 5px 18px rgba(0,0,0,.035)}.home-search span{flex:1;text-align:left}.home-top-actions button{display:grid;place-items:center}.home-category-row .cat-icon{width:48px;height:48px;border-radius:16px}.home-category-row .cat-icon>i{font-size:21px}.home-category-row button.active .cat-icon svg{stroke:white}.home-category-row button:hover .cat-icon{border-color:rgba(124,92,255,.25)}
.product-page{min-height:calc(100vh - var(--navH));background:var(--bg)}.product-shell{width:min(var(--content-max),calc(100% - 52px));margin:auto;padding:30px 0 70px}.product-crumb{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;margin-bottom:18px}.product-crumb button{border:0;background:transparent;color:var(--muted);cursor:pointer;padding:0}.product-crumb i{font-size:12px}.product-crumb b{color:var(--text2)}.section-kicker{font-size:10px;font-weight:900;letter-spacing:.14em;color:var(--accent)}.page-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:24px}.page-heading h1{font-size:34px;margin:5px 0 7px;letter-spacing:-.035em}.page-heading p{margin:0;color:var(--muted);font-size:14px}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px}.primary.wide{min-width:150px}.secondary.compact{width:42px;padding:0}
.collection-v2-hero{display:grid;grid-template-columns:minmax(320px,.86fr) minmax(430px,1.25fr) 180px;gap:24px;align-items:stretch}.collection-v2-cover{position:relative;border-radius:26px;overflow:hidden;min-height:330px;border:1px solid var(--line);background:var(--panel)}.collection-v2-cover img{width:100%;height:100%;object-fit:cover;display:block}.collection-v2-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 48%,rgba(5,7,12,.6))}.collection-cover-badge{position:absolute;left:18px;bottom:17px;z-index:2;color:white;display:flex;align-items:center;gap:7px;padding:7px 10px;background:rgba(7,10,16,.62);border:1px solid rgba(255,255,255,.18);border-radius:999px;font-size:11px;backdrop-filter:blur(10px)}.collection-v2-copy{padding:24px 4px;display:flex;flex-direction:column;justify-content:center}.collection-v2-copy h1{font-size:39px;line-height:1.08;margin:12px 0 14px;letter-spacing:-.04em}.collection-v2-copy h1 span{color:var(--accent)}.collection-v2-copy>p{color:var(--text2);line-height:1.8;margin:0;max-width:700px}.collection-meta-chips{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.collection-meta-chips span{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:var(--panel);font-size:11px;color:var(--muted)}.collection-progress-block{max-width:560px;margin-bottom:18px}.collection-progress-block>div:first-child{display:flex;justify-content:space-between;font-size:11px;margin-bottom:7px}.collection-progress-block span{color:var(--muted)}.collection-progress-line{height:7px;background:var(--panel2);border-radius:99px;overflow:hidden}.collection-progress-line i{display:block;width:29%;height:100%;background:linear-gradient(90deg,var(--accent),var(--cyan));border-radius:99px}.collection-hero-actions{display:flex;gap:9px}.collection-summary{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-content:center}.collection-summary div{border:1px solid var(--line);background:var(--panel);border-radius:18px;min-height:105px;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:var(--shadow-sm)}.collection-summary strong{font-size:21px}.collection-summary span{font-size:10px;color:var(--muted);margin-top:4px}.collection-content-v2{margin-top:34px}.collection-toolbar-v2{display:flex;align-items:center;gap:10px;padding:14px;border:1px solid var(--line);background:var(--panel);border-radius:18px;margin-bottom:14px;position:sticky;top:calc(var(--navH) + 10px);z-index:12;box-shadow:0 8px 30px rgba(0,0,0,.05)}.toolbar-title{margin-right:auto}.toolbar-title h2{font-size:18px;margin:0}.toolbar-title p{font-size:10px;color:var(--muted);margin:3px 0 0}.toolbar-search{height:39px;border:1px solid var(--line);background:var(--panel2);border-radius:11px;display:flex;align-items:center;gap:8px;padding:0 11px;min-width:220px}.toolbar-search.wide{min-width:320px;flex:1}.toolbar-search input{border:0;outline:0;background:transparent;color:var(--text);width:100%;font-size:12px}.collection-filter-group,.vocab-filter-tabs,.creator-category-tabs{display:flex;gap:4px;padding:3px;background:var(--panel2);border-radius:11px;border:1px solid var(--line)}.collection-filter,.vocab-filter-tabs button,.creator-category-tabs button,.profile-tabs button{border:0;background:transparent;padding:7px 10px;border-radius:8px;font-size:11px;color:var(--muted);cursor:pointer}.collection-filter.active,.vocab-filter-tabs button.active,.creator-category-tabs button.active,.profile-tabs button.active{background:var(--panel);color:var(--accent);box-shadow:0 2px 8px rgba(0,0,0,.06);font-weight:800}.sort-menu{height:39px;border:1px solid var(--line);background:var(--panel2);border-radius:11px;padding:0 10px;display:flex;align-items:center;gap:6px;color:var(--muted);cursor:pointer}.collection-video-list{display:flex;flex-direction:column;gap:10px}.collection-video-row{display:grid;grid-template-columns:185px minmax(0,1fr) 180px 120px;align-items:center;gap:18px;border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:10px;transition:.18s;cursor:pointer}.collection-video-row:hover{transform:translateY(-1px);border-color:rgba(124,92,255,.25);box-shadow:var(--shadow-sm)}.collection-video-thumb{height:103px;border-radius:13px;overflow:hidden;position:relative}.collection-video-thumb img{width:100%;height:100%;object-fit:cover}.collection-video-thumb span{position:absolute;right:7px;bottom:7px;background:rgba(0,0,0,.72);color:white;border-radius:5px;font-size:9px;padding:3px 5px}.collection-video-info h3{font-size:14px;margin:0 0 7px;line-height:1.4}.collection-video-info p{font-size:10px;color:var(--muted);margin:0}.collection-video-tags{display:flex;gap:5px;margin-top:9px}.collection-video-tags span{padding:4px 6px;border-radius:999px;background:var(--panel2);font-size:9px;color:var(--muted)}.row-progress{font-size:10px;color:var(--muted)}.row-progress-line{height:5px;background:var(--panel2);border-radius:99px;margin-top:7px;overflow:hidden}.row-progress-line i{display:block;height:100%;background:var(--accent);border-radius:99px}.row-action{display:flex;justify-content:flex-end}.row-action button{height:36px;border:1px solid var(--line);background:var(--panel2);border-radius:10px;padding:0 11px;cursor:pointer;color:var(--text2);font-size:11px}
.discover-toolbar,.vocab-toolbar{display:flex;gap:10px;align-items:center;margin-bottom:22px}.featured-creator{display:grid;grid-template-columns:320px 1fr;min-height:245px;border:1px solid var(--line);background:var(--panel);border-radius:24px;overflow:hidden;margin-bottom:22px;cursor:pointer}.featured-creator-art img{width:100%;height:100%;object-fit:cover}.featured-creator-copy{padding:32px}.creator-badge{display:inline-flex;padding:5px 8px;border-radius:999px;background:var(--accentSoft);color:var(--accent);font-size:9px;font-weight:900}.featured-creator-copy h2{font-size:28px;margin:9px 0 6px}.featured-creator-copy>p{color:var(--muted);margin:0 0 16px}.featured-creator-stats{display:flex;gap:22px;font-size:11px;color:var(--muted);margin-bottom:19px}.featured-creator-stats b{color:var(--text);font-size:15px}.creator-directory{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.creator-tile{border:1px solid var(--line);background:var(--panel);border-radius:20px;padding:20px;transition:.18s;cursor:pointer;position:relative}.creator-tile:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}.creator-tile-head{display:flex;align-items:center;gap:12px}.creator-big-orb{width:52px;height:52px;border-radius:18px;background:linear-gradient(135deg,var(--accent),var(--cyan));color:white;display:grid;place-items:center;font-weight:900;font-size:19px;overflow:hidden;border:1px solid var(--line)}.creator-tile h3{font-size:14px;margin:0}.creator-tile p{font-size:10px;color:var(--muted);line-height:1.6;margin:5px 0 13px}.creator-tile-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:9px}.follow-small{position:absolute;right:14px;top:15px;border:1px solid var(--line);background:var(--panel2);border-radius:999px;padding:5px 8px;font-size:9px;cursor:pointer}.follow-small.following{color:var(--accent);background:var(--accentSoft);border-color:rgba(124,92,255,.3)}.back-link{border:0;background:transparent;color:var(--muted);display:flex;align-items:center;gap:6px;cursor:pointer;margin-bottom:16px}.creator-profile-hero{display:grid;grid-template-columns:120px 1fr auto;gap:22px;align-items:center;padding:28px;border:1px solid var(--line);background:linear-gradient(135deg,var(--panel),var(--panel2));border-radius:24px}.creator-profile-avatar{width:112px;height:112px;border-radius:34px;background:linear-gradient(135deg,var(--accent),var(--cyan));display:grid;place-items:center;color:white;font-size:42px;font-weight:900;overflow:hidden;border:1px solid var(--line)}.creator-profile-copy h1{margin:8px 0;font-size:30px}.creator-profile-copy p{color:var(--text2);max-width:700px;line-height:1.7;margin:0}.creator-profile-meta{display:flex;gap:18px;margin-top:14px;color:var(--muted);font-size:10px}.creator-profile-meta b{color:var(--text);font-size:14px}.follow-main{height:42px;border:0;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:white;padding:0 16px;display:flex;align-items:center;gap:8px;cursor:pointer}.follow-main.following{background:var(--panel2);color:var(--accent);border:1px solid rgba(124,92,255,.3)}.profile-tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin:20px 0 15px;padding-bottom:8px}.profile-video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.vocab-stats,.learning-metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}.vocab-stats article,.learning-metric-grid article{border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:17px;display:flex;align-items:center;gap:12px}.metric-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center}.metric-icon.mint{background:rgba(52,211,153,.12);color:#10b981}.metric-icon.purple{background:var(--accentSoft);color:var(--accent)}.metric-icon.amber{background:rgba(245,158,11,.12);color:#f59e0b}.metric-icon.blue{background:rgba(59,130,246,.12);color:#3b82f6}.vocab-stats b{font-size:20px;display:block}.vocab-stats small{font-size:9px;color:var(--muted)}.vocab-list{display:flex;flex-direction:column;gap:9px}.vocab-row{display:grid;grid-template-columns:170px minmax(0,1fr) 180px 130px;gap:16px;align-items:center;border:1px solid var(--line);background:var(--panel);border-radius:17px;padding:16px}.vocab-word-block b{font-size:19px}.vocab-word-block span{display:block;color:var(--muted);font-size:10px;margin-top:3px}.vocab-definition b{font-size:11px;color:var(--accent)}.vocab-definition p{font-size:12px;color:var(--text2);margin:5px 0}.vocab-context{font-family:Georgia,serif;font-size:11px;color:var(--muted);line-height:1.5}.vocab-actions{display:flex;gap:6px;justify-content:flex-end}.vocab-actions button{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:var(--panel2);display:grid;place-items:center;cursor:pointer}.mastery-pill{font-size:9px;padding:5px 7px;border-radius:999px;background:rgba(52,211,153,.1);color:#10b981;display:inline-flex;margin-top:6px}.mastery-pill.review{background:rgba(245,158,11,.1);color:#f59e0b}
.history-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:26px}.history-summary div{border:1px solid var(--line);background:var(--panel);border-radius:17px;padding:16px}.history-summary b{display:block;font-size:22px}.history-summary span{font-size:10px;color:var(--muted)}.history-date-block{margin-bottom:26px}.date-heading{display:flex;gap:9px;align-items:baseline;margin-bottom:10px}.date-heading b{font-size:17px}.date-heading span{font-size:10px;color:var(--muted)}.history-list{display:flex;flex-direction:column;gap:9px}.history-row{display:grid;grid-template-columns:145px 1fr 190px 110px;gap:14px;align-items:center;border:1px solid var(--line);background:var(--panel);border-radius:17px;padding:9px}.history-row img{width:145px;height:81px;object-fit:cover;border-radius:12px}.history-row h3{font-size:13px;margin:0 0 5px}.history-row p{font-size:9px;color:var(--muted);margin:0}.history-row button{height:34px;border-radius:10px;border:1px solid var(--line);background:var(--panel2);cursor:pointer;font-size:10px}.history-row .history-progress span{font-size:9px;color:var(--muted)}
.favorites-tabs{display:flex;gap:7px;margin-bottom:18px}.favorites-tabs button{height:40px;padding:0 13px;border:1px solid var(--line);background:var(--panel);border-radius:12px;display:flex;align-items:center;gap:7px;color:var(--muted);cursor:pointer}.favorites-tabs button.active{color:var(--accent);background:var(--accentSoft);border-color:rgba(124,92,255,.3)}.favorites-tabs button b{font-size:9px;padding:2px 5px;background:var(--panel2);border-radius:99px}.favorites-content{min-height:320px}.favorite-video-grid,.favorite-collection-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.favorite-sentence-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.favorite-sentence{border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:18px}.favorite-sentence .en{font-family:Georgia,serif;font-size:17px;line-height:1.5}.favorite-sentence .zh{color:var(--muted);font-size:11px;margin-top:7px}.favorite-sentence footer{display:flex;justify-content:space-between;align-items:center;margin-top:13px;border-top:1px solid var(--line);padding-top:10px;color:var(--muted);font-size:9px}.favorite-sentence footer button{border:0;background:transparent;color:var(--accent);cursor:pointer}.empty-state{border:1px dashed var(--line2);border-radius:20px;padding:55px;text-align:center;color:var(--muted)}.empty-state i{font-size:30px;margin:auto;display:grid;place-items:center}.empty-state h3{color:var(--text);margin:12px 0 5px}
.learning-welcome{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.learning-welcome h1{margin:5px 0 7px;font-size:32px}.learning-welcome p{margin:0;color:var(--muted)}.learning-metric-grid article div small{display:block;color:var(--muted);font-size:9px}.learning-metric-grid article div b{display:block;font-size:22px;margin:3px 0}.learning-metric-grid article div em{font-size:9px;color:#10b981;font-style:normal}.learning-two-col{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(270px,.7fr);gap:14px;margin-bottom:14px}.learning-two-col.lower{grid-template-columns:1fr 1fr}.learning-chart-card,.daily-goal-card,.learning-card{border:1px solid var(--line);background:var(--panel);border-radius:20px;padding:19px}.card-heading{display:flex;justify-content:space-between;align-items:flex-start}.card-heading h2{font-size:15px;margin:0}.card-heading p{font-size:9px;color:var(--muted);margin:3px 0 0}.card-heading select{border:1px solid var(--line);background:var(--panel2);color:var(--muted);border-radius:9px;padding:6px}.card-heading button{border:0;background:transparent;color:var(--accent);font-size:9px;cursor:pointer}.learning-bar-chart{height:190px;display:grid;grid-template-columns:repeat(7,1fr);gap:16px;align-items:end;padding:20px 12px 0}.chart-bar{height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center}.chart-bar i{display:block;width:28px;background:linear-gradient(180deg,var(--accent),var(--accent2));border-radius:8px 8px 3px 3px;min-height:12px}.chart-bar b{font-size:8px;color:var(--muted);margin-bottom:5px}.chart-days{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;font-size:8px;color:var(--muted);padding:8px 12px}.daily-goal-card{text-align:center}.goal-ring{width:150px;height:150px;margin:0 auto;position:relative}.goal-ring svg{width:100%;height:100%;transform:rotate(-90deg)}.goal-ring circle{fill:none;stroke:var(--panel2);stroke-width:9}.goal-ring .goal-progress{stroke:var(--accent);stroke-dasharray:302;stroke-dashoffset:85;stroke-linecap:round}.goal-ring>div{position:absolute;inset:0;display:grid;place-content:center}.goal-ring b{font-size:24px}.goal-ring span{font-size:9px;color:var(--muted)}.daily-goal-card h3{font-size:14px;margin:3px 0}.daily-goal-card p{font-size:9px;color:var(--muted);margin:0 0 12px}.daily-goal-card .secondary{height:36px}.review-queue,.recent-learning{display:flex;flex-direction:column;gap:8px;margin-top:13px}.review-word,.recent-row{display:flex;align-items:center;gap:10px;background:var(--panel2);border-radius:12px;padding:10px}.review-word b{min-width:110px}.review-word span{font-size:9px;color:var(--muted);flex:1}.review-word button{border:0;background:var(--accentSoft);color:var(--accent);border-radius:8px;padding:5px 7px;cursor:pointer;font-size:9px}.recent-row img{width:72px;height:42px;object-fit:cover;border-radius:8px}.recent-row div{flex:1;min-width:0}.recent-row b{font-size:10px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.recent-row span{font-size:8px;color:var(--muted)}
.search-backdrop{position:fixed;inset:0;z-index:300;background:rgba(4,7,12,.56);backdrop-filter:blur(10px);display:none;padding-top:9vh}.search-backdrop.show{display:block}.search-modal{width:min(720px,calc(100% - 28px));margin:auto;background:var(--panel);border:1px solid var(--line2);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}.search-modal-bar{height:62px;display:flex;align-items:center;gap:11px;padding:0 18px;border-bottom:1px solid var(--line)}.search-modal-bar input{flex:1;border:0;background:transparent;outline:0;color:var(--text);font-size:15px}.search-modal-bar kbd{font-size:9px;border:1px solid var(--line);background:var(--panel2);border-radius:6px;padding:4px 6px;color:var(--muted)}.search-suggestions{padding:16px 18px}.search-section-title{font-size:9px;font-weight:900;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:8px}.search-chips{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:16px}.search-chips button{border:1px solid var(--line);background:var(--panel2);color:var(--text2);border-radius:999px;padding:6px 9px;font-size:10px;cursor:pointer}.search-results{padding:0 10px 13px;max-height:52vh;overflow:auto}.search-result-row{display:grid;grid-template-columns:72px 1fr auto;gap:10px;align-items:center;padding:9px;border-radius:12px;cursor:pointer}.search-result-row:hover{background:var(--panel2)}.search-result-row img{width:72px;height:43px;object-fit:cover;border-radius:8px}.search-result-row b{font-size:11px}.search-result-row p{font-size:9px;color:var(--muted);margin:3px 0 0}.search-result-row span{font-size:9px;color:var(--accent)}
.sentence-insight{margin-top:11px;border:1px solid var(--line);background:var(--panel);border-radius:16px;padding:13px}.insight-head{display:flex;justify-content:space-between;align-items:center}.insight-head b{font-size:12px}.insight-head span{font-size:9px;color:var(--muted);margin-left:7px}.insight-head button{border:0;background:transparent;color:var(--muted);cursor:pointer}.insight-grid{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:8px;margin-top:10px}.insight-grid article{background:var(--panel2);border-radius:12px;padding:10px;display:flex;gap:9px;align-items:flex-start}.insight-icon{width:31px;height:31px;border-radius:9px;display:grid;place-items:center;flex:none}.insight-icon.purple{background:var(--accentSoft);color:var(--accent)}.insight-icon.mint{background:rgba(52,211,153,.1);color:#10b981}.insight-icon.amber{background:rgba(245,158,11,.1);color:#f59e0b}.insight-grid b{font-size:9px}.insight-grid p{font-size:9px;color:var(--muted);line-height:1.45;margin:3px 0 0}.insight-shadow{align-items:center!important}.mini-action{margin-left:auto;border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:5px 7px;font-size:8px;cursor:pointer;color:var(--accent)}.sentence-insight.collapsed .insight-grid{display:none}.player-controls{border-radius:14px;background:var(--panel);border:1px solid var(--line);padding:8px 11px;margin-top:7px}.ctl-left{gap:5px}.ctl{background:var(--panel2)!important;border:1px solid var(--line)!important;border-radius:8px!important;padding:6px 8px!important}.study-modes{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:3px}.mode{border-radius:7px!important;padding:5px 8px!important}.mode.active{background:var(--panel)!important;color:var(--accent)!important;box-shadow:0 2px 7px rgba(0,0,0,.08)}
.mobile-nav{display:none}.home-layout,.product-page{padding-bottom:0}
@media(max-width:1180px){.collection-v2-hero{grid-template-columns:300px 1fr}.collection-summary{grid-column:1/-1;grid-template-columns:repeat(4,1fr)}.collection-summary div{min-height:80px}.creator-directory,.profile-video-grid,.favorite-video-grid,.favorite-collection-grid{grid-template-columns:repeat(3,1fr)}.collection-toolbar-v2{flex-wrap:wrap}.toolbar-title{width:100%}.learning-two-col{grid-template-columns:1fr}.learning-two-col.lower{grid-template-columns:1fr 1fr}}
@media(max-width:850px){body{padding-bottom:68px}.app-nav{display:none!important}.product-shell{width:min(100% - 24px,var(--content-max));padding-top:18px}.page-heading{align-items:flex-start}.page-heading h1{font-size:27px}.collection-v2-hero{grid-template-columns:1fr}.collection-v2-cover{min-height:230px}.collection-summary{grid-template-columns:1fr 1fr}.collection-toolbar-v2{position:static}.toolbar-search,.toolbar-search.wide{width:100%;min-width:0}.collection-filter-group{width:100%;overflow:auto}.collection-video-row{grid-template-columns:120px 1fr}.collection-video-thumb{height:72px}.row-progress,.row-action{display:none}.creator-directory,.profile-video-grid,.favorite-video-grid,.favorite-collection-grid{grid-template-columns:repeat(2,1fr)}.featured-creator{grid-template-columns:1fr}.featured-creator-art{height:200px}.creator-profile-hero{grid-template-columns:78px 1fr}.creator-profile-avatar{width:76px;height:76px;border-radius:22px;font-size:28px}.creator-profile-hero>.follow-main{grid-column:1/-1;width:100%;justify-content:center}.vocab-stats,.learning-metric-grid,.history-summary{grid-template-columns:1fr 1fr}.vocab-row{grid-template-columns:1fr}.vocab-context{display:none}.vocab-actions{justify-content:flex-start}.history-row{grid-template-columns:100px 1fr}.history-row img{width:100px;height:60px}.history-progress,.history-row>button{display:none}.favorite-sentence-list{grid-template-columns:1fr}.learning-two-col.lower{grid-template-columns:1fr}.learning-welcome{align-items:flex-start}.learning-welcome .primary{display:none}.insight-grid{grid-template-columns:1fr}.mobile-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;z-index:190;left:0;right:0;bottom:0;height:64px;background:var(--glass);backdrop-filter:blur(18px);border-top:1px solid var(--line);padding:5px 7px max(5px,env(safe-area-inset-bottom))}.mobile-nav button{border:0;background:transparent;color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:9px;cursor:pointer}.mobile-nav button i{font-size:19px}.mobile-nav button.active{color:var(--accent)}.study-grid{padding-bottom:64px}.video-page{padding-bottom:0}.sentence-insight{margin-bottom:8px}.discover-toolbar,.vocab-toolbar{flex-wrap:wrap}.creator-category-tabs,.vocab-filter-tabs{width:100%;overflow:auto}.home-search{min-width:0;width:100%}.home-search kbd{display:none}}
@media(max-width:520px){.creator-directory,.profile-video-grid,.favorite-video-grid,.favorite-collection-grid{grid-template-columns:1fr}.vocab-stats,.learning-metric-grid,.history-summary{grid-template-columns:1fr 1fr}.collection-v2-copy h1{font-size:31px}.collection-hero-actions{flex-direction:column}.collection-hero-actions button{width:100%}.collection-summary{gap:7px}.collection-summary div{min-height:70px}.favorite-sentence{padding:14px}.learning-bar-chart{gap:7px}.chart-bar i{width:20px}}


/* mobile product refinement */
@media(max-width:850px){
 .home-topbar{height:auto!important;display:grid!important;grid-template-columns:1fr!important;gap:8px!important;margin:0 0 10px!important}
 .home-top-actions{grid-row:1;grid-column:1;width:100%;margin:0!important;justify-content:flex-end}.home-top-actions:before{content:"ZoSpeak";margin-right:auto;font-weight:900;font-size:18px;letter-spacing:-.03em}.home-top-actions .lang-toggle,.home-top-actions>button:nth-of-type(3){display:none!important}.home-top-actions .home-user{padding-left:0}
 .home-search{grid-row:2;grid-column:1;width:100%!important;max-width:none!important;min-width:0!important;height:42px!important}.home-search span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.home-search kbd{display:none!important}
 .study-top{height:48px;padding:0 10px;gap:6px}.study-title{font-size:12px;max-width:calc(100vw - 88px)}.study-chip{display:none!important}#openSettings{display:grid!important;width:34px;height:34px;padding:0!important;border-radius:10px;font-size:0;place-items:center}#openSettings:before{content:"⚙";font-size:16px;color:var(--muted)}
 .player-controls{display:flex!important;flex-wrap:wrap!important;gap:7px!important;padding:8px!important}.ctl-left{display:none!important}.center-ctl{order:1;width:100%;display:flex!important;justify-content:center!important}.study-modes{order:2;width:100%;display:flex!important;overflow-x:auto;justify-content:stretch!important;gap:2px}.study-modes .mode{display:block!important;min-width:58px;flex:1;white-space:nowrap}.study-left{padding:10px!important}.transcript-wrap{height:560px!important}.sentence-insight{margin-top:10px}.current-sentence{min-height:112px!important}.current-en{font-size:22px!important}
}


/* --- home topbar / account / lang / creator / tags / streak upgrades --- */
.home-topbar{align-items:center}
.home-top-actions{gap:10px;position:relative}
.lang-toggle{height:36px;min-width:74px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--text);font-weight:800;cursor:pointer;box-shadow:0 6px 18px rgba(0,0,0,.03)}
.lang-toggle span{opacity:.55;margin:0 3px}.lang-toggle[data-lang="zh"] .zh,.lang-toggle[data-lang="en"] .en{opacity:1;color:var(--text)}
.home-user-shell{position:relative;margin-left:2px}
.home-user{height:38px;padding:0 10px 0 4px;border:1px solid var(--line);border-radius:999px;background:var(--panel);cursor:pointer;transition:.18s;box-shadow:0 6px 18px rgba(0,0,0,.03)}
.home-user:hover{border-color:rgba(124,92,255,.24);transform:translateY(-1px)}
.home-user-avatar{overflow:hidden;background:linear-gradient(135deg,var(--accent),var(--cyan));background-size:cover;background-position:center}
.home-user-menu{position:absolute;top:48px;right:0;width:224px;border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:10px;box-shadow:0 16px 40px rgba(0,0,0,.16);display:none;z-index:25}
.home-user-shell.open .home-user-menu{display:block}
.home-user-head{display:flex;align-items:center;gap:10px;padding:8px 8px 12px;border-bottom:1px solid var(--line);margin-bottom:8px}
.home-user-head .meta{display:flex;flex-direction:column;gap:2px}.home-user-head b{font-size:14px}.home-user-head small{font-size:11px;color:var(--muted)}
.user-menu-item{width:100%;height:40px;border:0;background:transparent;border-radius:12px;display:flex;align-items:center;gap:10px;padding:0 10px;color:var(--text2);cursor:pointer;text-align:left;font-size:13px;font-weight:700}
.user-menu-item:hover{background:var(--panel2);color:var(--text)}
.user-menu-sep{height:1px;background:var(--line);margin:8px 0}
.home-section-head button,.right-title button{border-radius:10px;padding:0 10px;height:30px;display:inline-flex;align-items:center}
.home-section-head button:hover,.right-title button:hover{background:var(--panel2);color:var(--text)}
.home-creators{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.home-creator{border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:14px 10px 12px;position:relative;transition:.18s;box-shadow:0 6px 18px rgba(0,0,0,.03)}
.home-creator:hover{transform:translateY(-2px);border-color:rgba(124,92,255,.22)}
.home-creator .creator-orb{width:58px;height:58px;margin:0 auto 10px;border-radius:18px;overflow:hidden;background:var(--panel2);border:1px solid var(--line)}
.home-creator .creator-orb img,.creator-big-orb img,.creator-profile-avatar img,.creator-avatar-sm img{width:100%;height:100%;object-fit:cover;display:block}
.creator-mini-follow{position:absolute;right:10px;top:10px;min-width:62px;height:26px;padding:0 10px;border:1px solid var(--line);border-radius:999px;background:var(--panel2);color:var(--text2);font-size:11px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:5px}
.creator-mini-follow.following{background:rgba(16,185,129,.12);color:#10b981;border-color:rgba(16,185,129,.28)}
.creator-mini-follow i{display:grid;place-items:center;width:12px;height:12px}
.home-creator b{font-size:12px;margin-bottom:3px}.home-creator small{font-size:10px;line-height:1.5;display:block}
.streak{padding:18px 16px}
.streak-title{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px}
.streak-title strong{font-size:24px}
.streak-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.streak-day{border:1px solid var(--line);background:var(--panel2);border-radius:14px;padding:8px 4px;text-align:center;min-height:72px;display:flex;flex-direction:column;justify-content:center;gap:4px}
.streak-day .wk{font-size:10px;color:var(--muted)}
.streak-day .date{font-size:14px;font-weight:850}
.streak-day .mins{font-size:10px;color:var(--muted)}
.streak-day.done .mins{color:#10b981}.streak-day.today{background:linear-gradient(180deg,rgba(124,92,255,.22),rgba(124,92,255,.08));border-color:rgba(124,92,255,.3)}
.streak-day.today .date{color:var(--accent)}
.tag-cloud{gap:8px}
.tag-cloud button{padding:6px 10px;border-radius:999px;background:var(--accentSoft);color:var(--accent);font-size:10px;font-weight:800;border:0;cursor:pointer;transition:.16s}
.tag-cloud button:hover{transform:translateY(-1px);filter:brightness(1.05)}
.browse-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.browse-card{border:1px solid var(--line);background:var(--panel);border-radius:18px;overflow:hidden;cursor:pointer;transition:.18s;box-shadow:0 8px 22px rgba(0,0,0,.04)}
.browse-card:hover{transform:translateY(-2px)}
.browse-card img{width:100%;height:170px;object-fit:cover;display:block}.browse-card .body{padding:14px}.browse-card h3{margin:0 0 4px;font-size:16px}.browse-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}.browse-card .meta{margin-top:10px;display:flex;justify-content:space-between;color:var(--muted);font-size:11px}
.video-list-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.video-list-grid .home-video-card{margin:0}
@media(max-width:1200px){.home-creators{grid-template-columns:repeat(2,minmax(0,1fr))}.video-list-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.browse-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:850px){.home-user-menu{right:-2px;width:220px}.streak-grid{grid-template-columns:repeat(7, minmax(0,1fr));gap:6px}.streak-day{min-height:62px;padding:6px 2px}.browse-grid,.video-list-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-top-actions{gap:8px}.lang-toggle{min-width:62px;padding:0 10px}}


/* === Responsive Learning UI V3 === */
.learning-dashboard-v3{padding-bottom:56px}
.learning-overview-v3{display:grid;grid-template-columns:minmax(360px,1.25fr) minmax(0,1fr);gap:16px;margin-bottom:16px}
.learning-time-card,.learning-mini-stat,.learning-goal-mini{border:1px solid var(--line);background:var(--panel);box-shadow:0 10px 28px rgba(0,0,0,.04)}
.learning-time-card{border-radius:26px;padding:22px;overflow:hidden;position:relative;background:linear-gradient(145deg,var(--panel),color-mix(in srgb,var(--accentSoft) 36%,var(--panel)))}
.learning-time-card:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:-70px;top:-90px;background:radial-gradient(circle,rgba(124,92,255,.15),transparent 67%);pointer-events:none}
.time-card-head{display:flex;align-items:center;gap:12px;position:relative;z-index:1}.time-icon{width:46px;height:46px;border-radius:15px;background:var(--accentSoft);color:var(--accent);display:grid;place-items:center}.time-card-head small{display:block;font-size:11px;color:var(--muted);margin-bottom:2px}.time-card-head b{font-size:28px;letter-spacing:-.04em}.time-card-head b em{font-size:13px;font-style:normal;color:var(--muted);font-weight:800;margin-left:2px}.time-growth{margin-left:auto;align-self:flex-start;background:rgba(16,185,129,.1);color:#10b981;border:1px solid rgba(16,185,129,.16);padding:5px 8px;border-radius:999px;font-size:10px;font-weight:850}
.time-card-body{display:grid;grid-template-columns:120px 1fr;align-items:end;gap:18px;margin:23px 0 16px}.time-focus{display:flex;align-items:flex-end;gap:7px}.time-focus strong{font-size:46px;line-height:.9;letter-spacing:-.06em}.time-focus span{font-size:11px;color:var(--muted);line-height:1.45}.time-spark{height:86px;display:grid;grid-template-columns:repeat(7,1fr);gap:8px;align-items:end;padding:4px 2px}.time-spark i{display:block;border-radius:8px 8px 3px 3px;background:color-mix(in srgb,var(--accent) 55%,var(--panel2));min-height:10px}.time-spark i.today{background:linear-gradient(180deg,var(--accent),var(--accent2));box-shadow:0 8px 18px rgba(124,92,255,.22)}
.time-card-foot{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:10px}.time-card-foot b{color:var(--text);font-size:11px}.time-progress{height:7px;border-radius:999px;background:var(--panel2);overflow:hidden;margin-top:8px}.time-progress i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent2))}
.learning-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.learning-mini-stat{border-radius:20px;padding:16px;display:flex;align-items:center;gap:12px;min-height:108px}.learning-mini-stat .metric-icon{flex:0 0 auto}.learning-mini-stat small{display:block;color:var(--muted);font-size:10px}.learning-mini-stat b{display:block;font-size:21px;margin:4px 0}.learning-mini-stat em{font-style:normal;font-size:9px;color:#10b981}.learning-goal-mini{grid-column:1/-1;border-radius:20px;padding:14px 16px;display:grid;grid-template-columns:92px 1fr;gap:14px;align-items:center}.goal-ring.small{width:86px;height:86px;margin:0}.goal-ring.small b{font-size:18px}.goal-ring.small span{font-size:8px}.learning-goal-mini>div:last-child>b{font-size:14px}.learning-goal-mini p{font-size:10px;color:var(--muted);margin:3px 0 9px}.learning-goal-mini button{height:30px;border:0;border-radius:9px;background:var(--accentSoft);color:var(--accent);font-weight:850;padding:0 10px;cursor:pointer}
.learning-week-card{margin-bottom:16px}.learning-week-card .learning-bar-chart{height:170px}.learning-week-card .chart-bar i{max-width:34px;width:min(34px,62%)}
.mobile-study-tabs{display:none}

/* Tablet learning layout */
@media (min-width:851px) and (max-width:1180px){
  .learning-dashboard-v3{width:min(100% - 32px,980px)}
  .learning-overview-v3{grid-template-columns:1fr;gap:14px}
  .learning-time-card{padding:20px}.time-card-body{grid-template-columns:140px 1fr}
  .learning-mini-grid{grid-template-columns:repeat(3,1fr)}.learning-mini-stat{min-height:102px}.learning-goal-mini{grid-column:auto;grid-template-columns:70px 1fr}.goal-ring.small{width:66px;height:66px}
  .learning-two-col.lower{grid-template-columns:1fr 1fr}
  .video-page{height:auto!important;overflow:visible!important}.study-top{position:sticky;top:0;z-index:55}.mobile-study-tabs{display:flex;position:sticky;top:52px;z-index:54;margin:0;background:var(--glass);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);padding:8px 16px;gap:8px}.mobile-study-tabs button{flex:1;height:38px;border:1px solid var(--line);background:var(--panel);border-radius:12px;color:var(--muted);display:flex;align-items:center;justify-content:center;gap:7px;font-weight:800}.mobile-study-tabs button.active{background:var(--accentSoft);color:var(--accent);border-color:rgba(124,92,255,.28)}
  .study-grid{display:block!important;height:auto!important}.study-left{overflow:visible!important;padding:16px 18px 28px}.player{max-width:900px;margin:0 auto;border-radius:18px;overflow:hidden;position:sticky;top:106px;z-index:8;box-shadow:0 12px 34px rgba(0,0,0,.18)}.current-sentence,.timeline,.player-controls,.sentence-insight{max-width:900px;margin-left:auto;margin-right:auto}.transcript-wrap{height:auto!important;min-height:520px;border-left:0!important;border-top:1px solid var(--line);margin:0 18px 28px;border:1px solid var(--line)!important;border-radius:20px;overflow:hidden;background:var(--panel)}
  .video-page[data-mobile-pane="learn"] .transcript-wrap{display:none}.video-page[data-mobile-pane="transcript"] .current-sentence,.video-page[data-mobile-pane="transcript"] .timeline,.video-page[data-mobile-pane="transcript"] .player-controls,.video-page[data-mobile-pane="transcript"] .sentence-insight{display:none}.video-page[data-mobile-pane="transcript"] .study-left{padding-bottom:8px}.video-page[data-mobile-pane="transcript"] .player{position:relative;top:auto;max-width:680px}
}

/* Mobile: designed as a touch-first learning app, not a shrunken desktop page */
@media (max-width:850px){
  .learning-dashboard-v3{width:100%!important;padding:14px 14px 84px!important}.learning-welcome{margin-bottom:14px;padding:0 2px}.learning-welcome h1{font-size:25px}.learning-welcome p{font-size:12px;line-height:1.55}.learning-overview-v3{grid-template-columns:1fr;gap:12px}.learning-time-card{border-radius:22px;padding:18px}.time-card-head b{font-size:26px}.time-card-body{grid-template-columns:96px 1fr;margin:18px 0 14px;gap:10px}.time-focus strong{font-size:39px}.time-spark{height:72px;gap:6px}.learning-mini-grid{grid-template-columns:1fr 1fr;gap:10px}.learning-mini-stat{border-radius:18px;padding:13px;min-height:96px;display:block}.learning-mini-stat .metric-icon{width:36px;height:36px;margin-bottom:8px}.learning-mini-stat b{font-size:18px}.learning-mini-stat em{font-size:8px}.learning-goal-mini{grid-column:1/-1;border-radius:18px;grid-template-columns:78px 1fr;padding:12px}.goal-ring.small{width:72px;height:72px}.learning-week-card{border-radius:20px;padding:15px;margin-top:0}.learning-week-card .card-heading{align-items:center}.learning-week-card .card-heading h2{font-size:14px}.learning-week-card .card-heading p{font-size:9px}.learning-week-card select{max-width:78px}.learning-week-card .learning-bar-chart{height:138px;gap:8px;padding:14px 4px 0}.learning-week-card .chart-days{padding:7px 4px}.learning-two-col.lower{grid-template-columns:1fr}.learning-card{border-radius:19px;padding:15px}.review-word,.recent-row{min-height:48px}
  .video-page{height:auto!important;overflow:visible!important;background:var(--bg)}.study-top{height:50px;position:sticky;top:0;z-index:70;padding:0 10px;background:var(--glass);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.study-title{font-size:11px;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:55vw}.study-top .study-chip#exportBtn{display:none}.study-top .study-chip{width:36px;height:36px;padding:0;font-size:0;border-radius:11px}.study-top .study-chip#openSettings:before{content:'⚙';font-size:16px}.study-back{width:36px;height:36px;border-radius:11px}
  .mobile-study-tabs{display:flex;position:sticky;top:50px;z-index:69;background:var(--glass);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);padding:8px 12px;gap:8px}.mobile-study-tabs button{flex:1;height:38px;border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--muted);display:flex;align-items:center;justify-content:center;gap:6px;font-weight:850}.mobile-study-tabs button.active{background:var(--accentSoft);color:var(--accent);border-color:rgba(124,92,255,.28)}
  .study-grid{display:block!important;height:auto!important}.study-left{overflow:visible!important;padding:0 12px 18px}.player{margin:10px -12px 0;border-radius:0;position:sticky;top:104px;z-index:12;background:#000;box-shadow:0 10px 26px rgba(0,0,0,.2)}.player video{aspect-ratio:16/9;object-fit:cover}.current-sentence{margin:12px 0 0;border-radius:17px;padding:15px;min-height:auto;background:var(--panel);border:1px solid var(--line)}.current-en{font-size:18px!important;line-height:1.55}.current-zh{font-size:13px!important;line-height:1.55;margin-top:7px}.timeline{margin:10px 2px 0}.player-controls{display:grid!important;grid-template-columns:1fr;gap:10px;margin:10px 0 0;padding:12px;border:1px solid var(--line);background:var(--panel);border-radius:18px}.center-ctl{order:1;justify-content:center;gap:18px}.center-ctl .main-play{width:50px;height:50px}.center-ctl .jump{width:42px;height:42px}.ctl-left{order:2;display:grid!important;grid-template-columns:repeat(4,1fr);gap:7px}.ctl-left .ctl{height:38px!important;border-radius:10px!important;font-size:11px!important}.study-modes{order:3;display:flex!important;overflow:auto;gap:6px;padding-bottom:2px}.study-modes .mode{flex:0 0 auto;min-width:62px;height:36px;border-radius:10px;padding:0 10px}.sentence-insight{margin:10px 0 0;border-radius:18px}.insight-grid{gap:8px}.insight-grid article{padding:12px}
  .transcript-wrap{height:auto!important;min-height:calc(100vh - 170px);margin:10px 12px 22px;border:1px solid var(--line)!important;border-radius:18px;overflow:hidden;background:var(--panel)}.transcript-head{position:sticky;top:0;background:var(--panel);z-index:3}.transcript{max-height:none!important;overflow:visible!important}.line{padding:14px!important}.line-en{font-size:16px!important}.line-zh{font-size:12px!important}
  .video-page[data-mobile-pane="learn"] .transcript-wrap{display:none}.video-page[data-mobile-pane="transcript"] .current-sentence,.video-page[data-mobile-pane="transcript"] .timeline,.video-page[data-mobile-pane="transcript"] .player-controls,.video-page[data-mobile-pane="transcript"] .sentence-insight{display:none}.video-page[data-mobile-pane="transcript"] .study-left{padding-bottom:0}.video-page[data-mobile-pane="transcript"] .player{position:relative;top:auto;margin-top:10px}.video-page[data-mobile-pane="transcript"] .transcript-wrap{display:block}
}


/* =========================================================
   ZoSpeak Production V1 — product-level theme + responsive IA
   ========================================================= */
:root{--surface-raised:#151b25;--success:#10b981;--content-max:1380px;color-scheme:dark}
html[data-theme="light"]{--surface-raised:#ffffff;--success:#059669;color-scheme:light}
html[data-theme="light"] body,
html[data-theme="light"] .shell{background:
 radial-gradient(circle at 10% 0%,rgba(124,58,237,.065),transparent 30%),
 radial-gradient(circle at 92% 14%,rgba(34,211,238,.04),transparent 28%),var(--bg)}
html[data-theme="light"] .home-sidebar{background:rgba(255,255,255,.82)}
html[data-theme="light"] .home-topbar,
html[data-theme="light"] .mobile-global-header{background:rgba(246,247,251,.78)}
html[data-theme="light"] .today-progress-card,
html[data-theme="light"] .priority-resume-card,
html[data-theme="light"] .right-card,
html[data-theme="light"] .right-quote,
html[data-theme="light"] .learning-time-card,
html[data-theme="light"] .learning-mini-stat,
html[data-theme="light"] .learning-goal-mini,
html[data-theme="light"] .learning-week-card,
html[data-theme="light"] .learning-card{box-shadow:0 12px 34px rgba(42,54,78,.07)}
html[data-theme="light"] .home-category-row button:hover{box-shadow:0 8px 20px rgba(42,54,78,.06)}
html[data-theme="light"] .player-controls,
html[data-theme="light"] .current-sentence,
html[data-theme="light"] .transcript-wrap{box-shadow:0 10px 28px rgba(42,54,78,.06)}

/* Formal site navigation language controls */
.nav-lang-toggle{height:40px;min-width:68px;border:1px solid var(--line);background:var(--panel2);border-radius:12px;color:var(--text2);display:flex;align-items:center;justify-content:center;gap:5px;cursor:pointer;font-size:11px}
.lang-toggle[data-lang="zh"] .zh,.lang-toggle[data-lang="en"] .en{color:var(--accent)}

/* Mobile global header is product UI, not review UI */
.mobile-global-header{display:none}
.mobile-brand{border:0;background:transparent;color:var(--text);display:flex;align-items:center;gap:9px;padding:0;cursor:pointer}.mobile-brand .brand-mark{width:32px;height:32px;border-radius:11px}.mobile-brand b{font-size:18px;letter-spacing:-.03em}
.mobile-global-actions{margin-left:auto;display:flex;align-items:center;gap:7px}.mobile-icon,.mobile-avatar{border:1px solid var(--line);background:var(--panel);color:var(--text);height:36px;border-radius:11px;cursor:pointer}.mobile-icon{width:36px;display:grid;place-items:center}.mobile-avatar{width:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--cyan));color:white;font-weight:900}.mobile-lang-toggle{height:36px;min-width:60px;border:1px solid var(--line);background:var(--panel);border-radius:11px;color:var(--text2);display:flex;align-items:center;justify-content:center;gap:4px;font-size:10px;cursor:pointer}

/* Priority learning dashboard — hidden on wide desktop where the right rail is visible */
.home-priority{display:none;margin:6px 0 18px}.home-priority-heading{display:flex;align-items:flex-end;gap:18px;margin-bottom:12px}.home-priority-heading h2{font-size:20px;margin:4px 0 3px;letter-spacing:-.025em}.home-priority-heading p{font-size:11px;color:var(--muted);margin:0}.priority-learning-link{margin-left:auto;border:0;background:transparent;color:var(--accent);font-size:11px;font-weight:800;display:flex;align-items:center;gap:4px;cursor:pointer}.home-priority-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.92fr);gap:12px}
.today-progress-card,.priority-resume-card{border:1px solid var(--line);background:var(--panel);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm)}
.today-progress-card{padding:18px 20px}.today-progress-top{display:flex;align-items:center;justify-content:space-between;gap:14px}.today-progress-top>div:first-child small{display:block;color:var(--muted);font-size:10px;font-weight:800}.today-progress-top strong{display:block;font-size:35px;line-height:1;margin-top:4px;letter-spacing:-.055em}.today-progress-top strong em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:0}.today-streak{display:flex;align-items:center;gap:8px;padding:9px 11px;border:1px solid var(--line);background:var(--panel2);border-radius:14px}.today-streak>i{color:#f97316}.today-streak span{display:flex;flex-direction:column}.today-streak b{font-size:13px}.today-streak small{font-size:8px;color:var(--muted);margin-top:2px}.today-goal-row{display:flex;justify-content:space-between;align-items:center;margin:17px 0 7px;font-size:10px;color:var(--muted)}.today-goal-row b{color:var(--text);font-size:11px}.today-goal-bar{height:8px;border-radius:99px;background:var(--panel2);overflow:hidden}.today-goal-bar i{display:block;width:72%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--cyan))}.today-progress-foot{display:flex;align-items:center;gap:12px;margin-top:13px}.today-progress-foot span{font-size:10px;color:var(--muted);margin-right:auto}.today-progress-foot button{height:34px;border:0;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;padding:0 14px;font-size:10px;font-weight:900;cursor:pointer}
.priority-resume-card{display:grid;grid-template-columns:42% 1fr;cursor:pointer;min-height:164px}.priority-resume-cover{position:relative;min-height:164px;background:var(--panel2)}.priority-resume-cover img{width:100%;height:100%;object-fit:cover;display:block}.priority-resume-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(5,8,14,.18))}.resume-play{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.9);color:#6d28d9;box-shadow:0 8px 26px rgba(0,0,0,.2)}.priority-resume-copy{padding:16px;display:flex;flex-direction:column;justify-content:center;min-width:0}.priority-resume-copy>span{font-size:9px;color:var(--accent);font-weight:900;letter-spacing:.06em}.priority-resume-copy h3{font-size:14px;line-height:1.35;margin:6px 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.resume-meta{display:flex;justify-content:space-between;font-size:9px;color:var(--muted)}.resume-meta b{color:var(--text2)}.resume-progress{height:5px;border-radius:99px;background:var(--panel2);overflow:hidden;margin-top:7px}.resume-progress i{display:block;width:60%;height:100%;background:linear-gradient(90deg,var(--accent),var(--cyan));border-radius:inherit}

/* Tablet: keep personal progress in the first screen instead of pushing the desktop right rail below all content. */
@media(max-width:1250px){
 .home-priority{display:block}
 .home-right{display:none!important}
 .home-layout{grid-template-columns:190px minmax(0,1fr)!important}
 .home-sidebar{grid-row:auto!important}
 .home-center{padding-right:24px}
}

/* Tablet refinement */
@media(min-width:851px) and (max-width:1180px){
 .home-center{padding:12px 20px 46px}
 .home-hero{height:230px}
 .home-hero-content{padding:29px 32px}.home-hero h1{font-size:34px}
 .home-category-row{grid-template-columns:repeat(9,minmax(52px,1fr));gap:7px}.home-category-row span{width:44px;height:44px}
 .home-video-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}.home-collection-grid{grid-template-columns:repeat(3,minmax(0,1fr))!important}
}

/* Mobile: Today -> Continue -> discovery. Bottom area is navigation only. */
@media(max-width:850px){
 body{padding-top:0}
 .mobile-global-header:not(.hidden){display:flex;position:sticky;top:0;z-index:175;height:54px;padding:0 12px;align-items:center;background:var(--glass);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
 .product-page .product-shell{padding-top:16px}
 .home-priority{display:block;margin:4px 0 16px}
 .home-priority-heading{align-items:flex-start;margin-bottom:10px}.home-priority-heading h2{font-size:18px}.home-priority-heading p{font-size:10px;line-height:1.5;max-width:260px}.priority-learning-link{font-size:0;padding:7px}.priority-learning-link i{font-size:16px}
 .home-priority-grid{grid-template-columns:1fr;gap:10px}
 .today-progress-card{padding:16px;border-radius:18px}.today-progress-top strong{font-size:32px}.today-streak{padding:8px 10px}
 .today-progress-foot button{height:38px;padding:0 16px}.today-progress-foot span{font-size:9px}
 .priority-resume-card{grid-template-columns:118px 1fr;min-height:126px;border-radius:18px}.priority-resume-cover{min-height:126px}.priority-resume-copy{padding:12px}.priority-resume-copy h3{font-size:13px;margin:5px 0 10px}
 .home-hero{height:190px!important;border-radius:17px}.home-hero-content{padding:22px!important}.home-kicker{font-size:8px}.home-hero h1{font-size:27px!important}.home-hero p{font-size:13px}.home-start{height:38px;font-size:12px}
 .home-category-row{display:grid!important;grid-template-columns:none!important;grid-auto-flow:column;grid-auto-columns:72px;gap:8px;overflow-x:auto;padding-bottom:7px;margin:12px -2px 15px;scroll-snap-type:x proximity;scrollbar-width:none}.home-category-row::-webkit-scrollbar{display:none}.home-category-row button{scroll-snap-align:start;padding:7px 2px}.home-category-row span{width:44px;height:44px;border-radius:14px}.home-category-row .cat-name{font-size:10px}
 .home-top-actions .lang-toggle{display:flex!important}
 .home-top-actions>button:nth-of-type(3){display:none!important}
 .home-top-actions:before{color:var(--text)}
 .home-video-grid,.home-latest-grid{grid-template-columns:1fr!important}.home-collection-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}.home-creators{grid-template-columns:repeat(2,minmax(0,1fr))!important}
 .home-section{margin-top:18px}.home-section-head h2{font-size:18px}
 .mobile-nav{height:66px}
}
@media(max-width:520px){
 .today-progress-foot{align-items:flex-end}.today-progress-foot span{max-width:54%}
 .priority-resume-card{grid-template-columns:108px 1fr}
 .home-collection-grid{grid-template-columns:1fr!important}
}

/* Study player: stronger theme surfaces and touch targets */
@media(max-width:850px){
 .video-page .study-top{background:var(--glass)}
 .mobile-study-tabs button{min-height:42px}
 .center-ctl .main-play{width:54px!important;height:54px!important}.center-ctl .jump{width:44px!important;height:44px!important}
 .player-controls{box-shadow:var(--shadow-sm)}
}

/* Study page owns its theme/language controls because the global nav is intentionally absent there. */
.study-theme-toggle{width:40px;padding:0!important;display:grid;place-items:center}.study-lang-toggle{min-width:64px;display:flex;align-items:center;justify-content:center;gap:4px;font-size:10px}
@media(max-width:850px){
 #studyThemeBtn{display:grid!important;width:34px!important;height:34px!important;padding:0!important;border-radius:10px!important;place-items:center;font-size:0!important}
 #studyLangBtn{display:flex!important;width:52px!important;height:34px!important;padding:0!important;border-radius:10px!important;align-items:center;justify-content:center;gap:3px;font-size:9px!important}
 .study-title{max-width:calc(100vw - 190px)!important}
}

/* 834px-class tablets get their own composition instead of inheriting the phone stack. */
@media(min-width:700px) and (max-width:850px){
 .home-center{padding:12px 18px 44px!important}
 .home-priority-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr)!important;align-items:stretch}
 .today-progress-card{min-height:190px}
 .priority-resume-card{grid-template-columns:1fr!important;grid-template-rows:88px 1fr!important;min-height:190px!important}
 .priority-resume-cover{min-height:88px!important}.priority-resume-copy{padding:11px 14px!important}.priority-resume-copy h3{font-size:12px!important;margin:4px 0 8px!important}
 .home-hero{height:220px!important}.home-hero-content{padding:28px 30px!important}.home-hero h1{font-size:32px!important}
 .home-category-row{grid-template-columns:repeat(9,minmax(0,1fr))!important;grid-auto-flow:row!important;grid-auto-columns:auto!important;overflow:visible!important;gap:7px!important;margin:14px 0 20px!important}.home-category-row button{padding:8px 2px 10px!important}.home-category-row span{width:46px!important;height:46px!important}
 .home-video-grid,.home-latest-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}.home-collection-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}.home-creators{grid-template-columns:repeat(3,minmax(0,1fr))!important}
 .study-grid{max-width:820px;margin:0 auto}.study-left{padding:0 18px 24px!important}.player{margin:12px 0 0!important;border-radius:18px!important}.current-sentence{margin-top:14px!important}.transcript-wrap{margin:12px 18px 26px!important}
}
.lang-toggle{white-space:nowrap;flex-wrap:nowrap;line-height:1}

/* ===== ZoSpeak Composite V1 Beta1: account / modal / streak UX corrections ===== */
/* Top account controls: keep the avatar, name, plan and chevron on one baseline. */
.home-topbar{min-height:62px;height:auto;overflow:visible}
.home-top-actions{flex-wrap:nowrap;overflow:visible;min-width:max-content}
.home-top-actions>button{flex:0 0 auto}
.lang-toggle{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:3px}
.home-user-shell,.global-account-shell{position:relative;flex:0 0 auto;z-index:115}
.home-user{height:42px!important;min-width:126px;padding:0 10px 0 5px!important;display:flex!important;align-items:center!important;justify-content:flex-start;gap:8px!important;border:1px solid var(--line);border-radius:999px;background:var(--panel);box-shadow:0 8px 22px rgba(0,0,0,.05);white-space:nowrap;overflow:visible}
.home-user-avatar{width:32px!important;height:32px!important;flex:0 0 32px;border:1px solid color-mix(in srgb,var(--line2) 65%,transparent);box-shadow:0 0 0 2px var(--panel)}
.home-user-copy{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:1px;line-height:1.05;min-width:0}
.home-user-copy b{font-size:13px;line-height:1.1;white-space:nowrap}
.home-user-copy small{font-size:9px;line-height:1;color:#8b5cf6;font-weight:900;letter-spacing:.05em}
.home-user>svg{width:14px;height:14px;margin-left:auto;color:var(--muted);transition:transform .18s ease}
.home-user-shell.open .home-user>svg{transform:rotate(180deg)}

/* Shared desktop account menu used on Home and all inner pages. */
.account-menu{position:absolute;top:calc(100% + 10px);right:0;width:258px;border:1px solid var(--line);background:color-mix(in srgb,var(--panel) 96%,transparent);backdrop-filter:blur(22px);border-radius:18px;padding:10px;box-shadow:0 22px 60px rgba(0,0,0,.22);display:none;z-index:140;transform-origin:top right}
.account-shell.open>.account-menu{display:block;animation:zsAccountIn .16s ease-out}
@keyframes zsAccountIn{from{opacity:0;transform:translateY(-5px) scale(.985)}to{opacity:1;transform:none}}
.account-menu-head{display:flex;align-items:center;gap:11px;padding:9px 9px 12px;margin-bottom:7px;border-bottom:1px solid var(--line)}
.account-menu-head .avatar,.account-menu-head .home-user-avatar{width:38px!important;height:38px!important;flex:0 0 38px}
.account-menu-head>div,.account-menu-head .meta{display:flex;flex-direction:column;gap:3px;min-width:0}
.account-menu-head b{font-size:14px}.account-menu-head small{font-size:10px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:176px}
.account-menu>button,.user-menu-item{width:100%;height:42px;border:0;background:transparent;border-radius:11px;display:flex;align-items:center;gap:10px;padding:0 11px;color:var(--text2);cursor:pointer;text-align:left;font-size:13px;font-weight:720}
.account-menu>button:hover,.user-menu-item:hover{background:var(--panel2);color:var(--text)}
.account-menu>button svg,.user-menu-item svg{width:16px;height:16px;color:var(--muted)}
.account-menu .danger-item{color:var(--danger)}.account-menu .danger-item svg{color:var(--danger)}
.account-menu-sep,.user-menu-sep{height:1px;background:var(--line);margin:7px 4px}
.home-user-menu{top:calc(100% + 10px)!important;right:0!important;width:258px!important;padding:10px!important;border-radius:18px!important;z-index:140!important}
.home-user-shell.open .home-user-menu{display:block}

.global-account-btn{height:42px;border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:0 10px 0 5px;display:flex;align-items:center;gap:8px;min-width:118px;white-space:nowrap}
.global-account-btn .avatar{width:32px;height:32px;box-shadow:none}
.global-account-btn .avatar-copy{display:flex;flex-direction:column;align-items:flex-start;line-height:1.05}
.global-account-btn .avatar-copy b{font-size:12px}.global-account-btn .avatar-copy small{font-size:9px;color:var(--accent);font-weight:900}
.global-account-btn>svg{width:14px;color:var(--muted);margin-left:auto;transition:.18s}
.global-account-shell.open .global-account-btn>svg{transform:rotate(180deg)}

/* Preferences are true centered dialogs; no right-side bias. */
.backdrop{display:none;place-items:center;padding:24px;overflow:auto}
.backdrop.show{display:grid!important}
.settings,.settings.settings-v2{position:relative!important;right:auto!important;left:auto!important;top:auto!important;bottom:auto!important;transform:none!important;margin:auto!important;width:min(680px,calc(100vw - 32px))!important;max-height:min(88vh,820px);overflow:auto;padding:24px!important;overscroll-behavior:contain}
.set-head{position:sticky;top:-24px;z-index:3;background:var(--panel);padding:4px 0 14px;margin-bottom:14px;border-bottom:1px solid var(--line)}

/* Account and signed-out dialogs. */
.account-backdrop,.signin-backdrop{position:fixed;inset:0;z-index:180;background:rgba(3,5,8,.62);backdrop-filter:blur(9px);display:none;place-items:center;padding:22px}
.account-backdrop.show,.signin-backdrop.show{display:grid}
.account-dialog,.signin-dialog{width:min(560px,100%);max-height:90vh;overflow:auto;border:1px solid var(--line2);background:var(--panel);border-radius:24px;box-shadow:var(--shadow);padding:22px}
.account-dialog>header{display:flex;align-items:flex-start;gap:16px;border-bottom:1px solid var(--line);padding-bottom:16px}.account-dialog h2,.signin-dialog h2{margin:3px 0 5px;font-size:22px}.account-dialog p,.signin-dialog p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}.dialog-kicker{font-size:9px;letter-spacing:.14em;font-weight:900;color:var(--accent)}
.dialog-close{margin-left:auto;width:34px;height:34px;border:1px solid var(--line);border-radius:10px;background:var(--panel2);color:var(--muted);font-size:20px}
.account-profile-card{display:flex;align-items:center;gap:13px;padding:18px 0}.account-big-avatar{width:54px;height:54px;border-radius:17px;background:linear-gradient(135deg,var(--accent),var(--cyan));display:grid;place-items:center;color:#fff;font-size:20px;font-weight:900}.account-profile-card>div{display:flex;flex-direction:column;gap:3px}.account-profile-card b{font-size:16px}.account-profile-card small{font-size:12px;color:var(--muted)}.account-profile-card em{font-style:normal;color:var(--accent);font-size:11px;font-weight:800}
.account-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.account-detail-grid label{display:block}.account-detail-grid label>span,.signin-dialog label>span{display:block;font-size:11px;color:var(--muted);font-weight:800;margin-bottom:6px}.account-detail-grid input,.signin-dialog input{width:100%;height:42px;border:1px solid var(--line);border-radius:11px;background:var(--panel2);padding:0 12px;color:var(--text);outline:none}.account-dialog footer{display:flex;justify-content:flex-end;gap:8px;padding-top:18px;margin-top:18px;border-top:1px solid var(--line)}
.signin-dialog{width:min(430px,100%)}.signin-logo{display:flex;align-items:center;gap:10px;margin-bottom:18px}.signin-logo b{font-size:20px}.signin-dialog label{display:block;margin-top:13px}.signin-submit{width:100%;margin-top:18px;height:44px}
body.session-signed-out .account-shell{opacity:.65}

/* Redesigned streak card: one clear streak number + compact weekly rhythm. */
.streak-v3{padding:18px 16px 16px!important;overflow:hidden;position:relative}
.streak-v3:after{content:"";position:absolute;width:120px;height:120px;right:-52px;top:-58px;border-radius:50%;background:radial-gradient(circle,rgba(249,115,22,.15),transparent 70%);pointer-events:none}
.streak-v3-head{display:grid;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:10px;position:relative;z-index:1}
.streak-v3-icon{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(145deg,rgba(249,115,22,.16),rgba(245,158,11,.08));color:#f97316;border:1px solid rgba(249,115,22,.14)}.streak-v3-icon svg{width:20px;height:20px}
.streak-v3-title{display:flex;flex-direction:column;gap:2px}.streak-v3-title span{font-size:11px;color:var(--muted);font-weight:800}.streak-v3-title strong{font-size:25px;letter-spacing:-.04em;line-height:1;color:#f97316}.streak-v3-title strong em{font-style:normal;font-size:12px;margin-left:2px;color:var(--muted);letter-spacing:0}
.streak-v3-week{text-align:right;padding-right:2px}.streak-v3-week b{display:block;font-size:15px}.streak-v3-week small{display:block;color:var(--muted);font-size:9px;margin-top:2px}
.streak-v3-days{display:grid;grid-template-columns:repeat(7,1fr);gap:7px;margin-top:16px;padding:12px 10px;background:var(--panel2);border:1px solid var(--line);border-radius:14px}
.streak-day{min-width:0;display:flex;flex-direction:column;align-items:center;gap:6px;padding:0!important;border:0!important;background:transparent!important;border-radius:0!important}
.streak-day .wk{font-size:9px;color:var(--muted);font-weight:700}.streak-day .date{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:10px;font-weight:850;color:var(--text2);background:var(--panel);border:1px solid var(--line)}.streak-day.done .date{background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.22);color:#10b981}.streak-day.today .date{background:linear-gradient(135deg,var(--accent),var(--accent2));border-color:transparent;color:#fff;box-shadow:0 5px 14px rgba(124,58,237,.24)}.streak-day .mins{display:none}
.streak-v3-foot{display:flex!important;align-items:center;justify-content:space-between;gap:8px;margin:12px 1px 0!important;color:var(--muted)!important;font-size:9px!important;line-height:1.4!important;text-align:left!important}.streak-v3-foot span{white-space:nowrap}.streak-v3-foot b{color:var(--text);font-size:10px}

@media(max-width:1100px){
  .global-account-btn .avatar-copy{display:none}.global-account-btn{min-width:42px;width:42px;padding:4px}.global-account-btn>svg{display:none}
}
@media(max-width:760px){
  .settings,.settings.settings-v2{width:min(100%,620px)!important;max-height:92vh;padding:18px!important;border-radius:20px!important}.set-head{top:-18px}
  .account-detail-grid{grid-template-columns:1fr}.account-dialog footer{flex-direction:column}.account-dialog footer button{width:100%}
}
.account-dialog .danger{height:47px;border-radius:14px;padding:0 19px;border:1px solid rgba(251,113,133,.24);background:rgba(251,113,133,.11);color:var(--danger);font-weight:800;cursor:pointer}
.account-dialog .danger:hover{background:rgba(251,113,133,.16);transform:translateY(-1px)}


/* =========================================================
   Beta2 · Focus-word cloze + mobile-first continuous player
   ========================================================= */
.line-time{display:none;font:700 10px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);margin-bottom:5px}
.cloze-entry{display:inline-flex;align-items:center;gap:7px;vertical-align:middle;position:relative;flex-wrap:wrap;margin:0 3px}.cloze-input{width:clamp(96px,9em,180px);height:38px;border:1.5px solid rgba(124,92,255,.38);border-radius:10px;background:var(--panel2);color:var(--text);font:800 16px/1.2 ui-sans-serif,system-ui;padding:0 10px;text-align:center;letter-spacing:.04em;outline:none}.cloze-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(124,92,255,.12)}.cloze-check{height:36px;padding:0 12px;border:0;border-radius:10px;background:var(--accent);color:#fff;font-size:12px;font-weight:850;cursor:pointer}.cloze-feedback{flex-basis:100%;display:block;min-height:17px;font:750 11px/1.35 ui-sans-serif,system-ui;color:var(--muted);text-align:left;padding-left:2px}.cloze-entry.correct .cloze-input{border-color:rgba(16,185,129,.55);background:rgba(16,185,129,.08);color:#10b981}.cloze-entry.correct .cloze-feedback{color:#10b981}.cloze-entry.wrong .cloze-input{border-color:rgba(244,63,94,.48);background:rgba(244,63,94,.06)}.cloze-entry.wrong .cloze-feedback{color:var(--danger)}.cloze-blank{display:inline-block;min-width:76px;padding:0 5px;border-bottom:2px solid rgba(124,92,255,.48);color:var(--accent);font-weight:900;letter-spacing:.08em;text-align:center}.cloze-line.active{background:linear-gradient(90deg,rgba(245,158,11,.09),rgba(124,92,255,.045));border-radius:14px;padding-left:14px;padding-right:12px}.cloze-line.active:before{left:0!important;background:linear-gradient(#f59e0b,#fb7185)!important}
.keyword-word{color:var(--accent);font-weight:850}

@media(max-width:760px){
  .video-page{height:auto!important;min-height:100vh;overflow:visible!important;background:var(--bg);padding-bottom:28px}
  .video-page .study-top{height:50px;position:sticky;top:0;z-index:90}
  .mobile-study-tabs{display:none!important}
  .study-grid{display:flex!important;flex-direction:column;height:auto!important;max-width:none!important;margin:0!important}
  .study-left{display:flex!important;flex-direction:column;overflow:visible!important;padding:0 12px 0!important}
  .player{order:1;position:sticky!important;top:50px!important;z-index:70;margin:0 -12px!important;border:0!important;border-radius:0!important;box-shadow:0 12px 28px rgba(0,0,0,.24)!important;background:#000}
  .player video{width:100%;aspect-ratio:16/9;object-fit:contain;background:#000}
  .current-sentence{display:none!important}
  .timeline{order:2;margin:0 -2px!important;padding:10px 4px 0!important;background:var(--bg)}
  .time{font-size:10px;margin-top:6px}
  .player-controls{order:3;display:flex!important;flex-direction:column;margin:0 -4px!important;padding:8px 4px 12px!important;border:0!important;border-radius:0!important;background:var(--bg)!important;box-shadow:none!important;gap:8px!important}
  .study-modes{order:1!important;width:100%;display:grid!important;grid-template-columns:repeat(4,1fr);gap:6px!important;overflow:visible!important;padding:4px 0 8px!important;border-bottom:1px solid var(--line)}
  .study-modes .mode{height:38px;min-width:0!important;padding:0 5px!important;border:0!important;border-radius:11px!important;background:transparent;color:var(--muted);font-size:12px!important;font-weight:850}
  .study-modes .mode.active{background:var(--accentSoft)!important;color:var(--accent)!important;box-shadow:inset 0 0 0 1px rgba(124,92,255,.18)}
  .desktop-vocab-mode{display:none!important}
  .center-ctl{order:2!important;width:100%;justify-content:center!important;gap:26px!important;padding:2px 0}
  .center-ctl .main-play{width:48px!important;height:48px!important}.center-ctl .jump{width:40px!important;height:40px!important;display:grid;place-items:center;border-radius:50%;background:var(--panel)!important;border:1px solid var(--line)!important;font-size:17px!important}
  .ctl-left{order:3!important;display:grid!important;grid-template-columns:repeat(3,1fr)!important;gap:7px!important;width:100%}.ctl-left #abBtn{display:none!important}.ctl-left .ctl{height:36px!important;border:1px solid var(--line)!important;background:var(--panel)!important;border-radius:10px!important;font-size:11px!important}.ctl-left .ctl.on{background:var(--accentSoft)!important;border-color:rgba(124,92,255,.22)!important}
  .sentence-insight{display:none!important}
  .transcript-wrap{order:4;display:block!important;height:auto!important;min-height:0!important;margin:0!important;border:0!important;border-radius:0!important;overflow:visible!important;background:transparent!important}
  .transcript-head{display:none!important}
  .transcript{height:auto!important;max-height:none!important;overflow:visible!important;padding:2px 12px 40px!important;background:transparent}
  .line{opacity:.72;padding:15px 13px!important;margin:6px 0;border:1px solid transparent;border-radius:15px;transition:background .16s ease,border-color .16s ease,opacity .16s ease,transform .16s ease}
  .line:hover{opacity:.9}.line.active{opacity:1;background:linear-gradient(90deg,rgba(245,158,11,.10),rgba(124,92,255,.055));border-color:rgba(245,158,11,.15)}
  .line.active:before{display:none!important}.line-time{display:block}.line-en{font-size:18px!important;line-height:1.58!important;font-family:Georgia,"Times New Roman",serif}.line-zh{font-size:13px!important;line-height:1.55!important;margin-top:6px!important;color:var(--muted)}
  .line-actions{display:none!important}.line.active .line-actions{display:flex!important;opacity:1!important;margin-top:10px!important}.action-chip{min-height:32px;padding:5px 10px;font-size:11px}
  .cloze-line.active{background:linear-gradient(90deg,rgba(245,158,11,.12),rgba(251,191,36,.045))!important;border-color:rgba(245,158,11,.20)!important}
  .cloze-entry{display:inline-flex;vertical-align:middle;margin:2px 2px;gap:6px}.cloze-input{width:112px;max-width:38vw;height:38px;font-size:16px}.cloze-check{height:38px;padding:0 11px}.cloze-feedback{font-size:11px;padding-top:2px}
  .video-page[data-mobile-pane="learn"] .transcript-wrap,.video-page[data-mobile-pane="transcript"] .transcript-wrap{display:block!important}
  .video-page[data-mobile-pane="transcript"] .timeline,.video-page[data-mobile-pane="transcript"] .player-controls{display:flex!important}
  .video-page[data-mobile-pane="transcript"] .player{position:sticky!important;top:50px!important;margin-top:0!important}
}

@media(min-width:761px) and (max-width:1100px){
  .study-modes{gap:8px!important}.study-modes .mode{padding:7px 4px!important}.cloze-input{max-width:150px}
}

/* Learning Engine V1: the spoken token follows the media clock. */
.word-token.timing-active{background:var(--accent)!important;color:#fff!important;box-shadow:0 0 0 3px var(--accentSoft),0 4px 14px rgba(168,85,247,.28);transform:translateY(-1px);}
html[data-theme="light"] .word-token.timing-active{color:#fff!important}

/* Beta4 interaction polish: quiet teal replaces the previous heavy purple. */
:root{--accent:#0f9f8f;--accent2:#08766d;--accentSoft:rgba(15,159,143,.13)}
html[data-theme="light"]{--accent:#0b8f80;--accent2:#066d62;--accentSoft:rgba(11,143,128,.11)}
::selection{background:rgba(15,159,143,.24)}
.progress-launcher{width:100%;text-align:left;cursor:pointer;font:inherit;color:var(--text)}
.progress-launcher:hover{border-color:color-mix(in srgb,var(--accent) 45%,var(--line));box-shadow:0 9px 24px rgba(15,159,143,.10)}
.progress-launcher .mini-fav{display:flex;align-items:center;gap:6px}.progress-launcher .mini-fav strong{margin-left:auto;color:var(--accent);font-size:11px}
.tag-cloud button{cursor:pointer;transition:background .16s,border-color .16s,color .16s,transform .16s}.tag-cloud button:hover,.tag-cloud button.active{background:var(--accentSoft);border-color:rgba(15,159,143,.38);color:var(--accent);transform:translateY(-1px)}
.word-token.timing-active{background:rgba(15,159,143,.16)!important;color:var(--text)!important;box-shadow:inset 0 -2px 0 var(--accent),0 0 0 1px rgba(15,159,143,.12)!important;transform:none!important}
.study-top{height:64px;padding:0 26px;gap:12px}.study-top .study-chip,.study-theme-toggle,.study-lang-toggle,#studyThemeBtn,#studyLangBtn{min-height:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center}.study-theme-toggle,#studyThemeBtn{width:42px!important;min-width:42px!important;padding:0!important}.study-lang-toggle,#studyLangBtn{min-width:76px!important;padding:0 12px!important;font-size:12px!important;gap:5px!important}.study-top .study-chip{padding:0 12px;font-size:13px}.study-title{font-size:16px}.home-top-actions{align-items:center!important}.home-user{height:44px!important;min-width:142px!important;align-items:center!important}.home-user-copy{justify-content:center}.lang-toggle{height:42px!important;min-width:76px!important;padding:0 13px!important;border-radius:12px!important;font-size:12px!important}@media(max-width:850px){.home-top-actions .lang-toggle{display:inline-flex!important}.home-top-actions>button:nth-of-type(3){display:none!important}.home-user{min-width:116px!important}.study-top{height:58px;padding:0 14px;gap:8px}.study-title{font-size:13px}.study-theme-toggle,#studyThemeBtn{width:40px!important;min-width:40px!important;height:40px!important;min-height:40px!important}.study-lang-toggle,#studyLangBtn{min-width:68px!important;height:40px!important;min-height:40px!important}.study-top .study-chip{display:none!important}}


/* Beta5: information-column controls and calm reading focus */
.home-side-actions{height:64px;display:flex;align-items:center;justify-content:flex-end;margin:0 0 14px;border-bottom:1px solid var(--line)}
.home-side-actions-inner{display:flex;align-items:center;justify-content:flex-end;gap:8px;width:100%}
.home-side-actions-inner>button{width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--text);box-shadow:none}
.home-side-actions-inner>button:hover{border-color:var(--accent);color:var(--accent);transform:none}
.home-side-actions-inner .home-user{width:auto;min-width:146px;height:42px;padding:0 10px;border-radius:10px;box-shadow:none}
.home-side-actions-inner .home-user-shell{margin-left:2px}
.home-topbar .home-top-actions{display:none!important}
.lang-toggle{height:36px!important;width:auto!important;min-width:86px!important;display:inline-flex!important;flex-direction:row!important;align-items:center!important;justify-content:center!important;gap:5px!important;padding:0 10px!important;border:1px solid var(--line)!important;border-radius:8px!important;background:var(--panel)!important;box-shadow:none!important;line-height:1!important;white-space:nowrap}
.lang-toggle .lang-option{display:inline!important;margin:0!important;font-size:12px!important;font-weight:750!important;letter-spacing:.01em!important;writing-mode:horizontal-tb!important}
.lang-toggle .lang-separator{display:inline!important;margin:0!important;color:var(--muted)!important;font-size:12px!important;line-height:1!important}
.lang-toggle[data-lang="zh"] .zh,.lang-toggle[data-lang="en"] .en{color:var(--accent)!important}
.lang-toggle[data-lang="zh"] .en,.lang-toggle[data-lang="en"] .zh{color:var(--muted)!important}
.time-detail-link{appearance:none;text-align:left;cursor:pointer;font:inherit;color:inherit;border:0;background:transparent;padding:0}
.time-detail-link:hover b,.time-detail-link:hover strong,.time-detail-link:hover small{color:var(--accent)!important}
.time-detail-link small{display:block}
.word-token.timing-active{display:inline!important;background:#EAF0F6!important;border:1px solid #D5DEE8!important;border-radius:7px!important;padding:2px 6px!important;color:#0F172A!important;box-shadow:none!important;text-shadow:none!important;transition:background .16s ease,border-color .16s ease!important}
html[data-theme="dark"] .word-token.timing-active{background:rgba(148,163,184,.18)!important;border-color:rgba(148,163,184,.24)!important;color:#F8FAFC!important}
html[data-theme="dark"] .transcript,.video-page{color:#E5E7EB}
@media(max-width:850px){.home-side-actions{display:none}.home-topbar .home-top-actions{display:flex!important;align-items:center;gap:7px}.home-topbar .home-top-actions .lang-toggle{display:inline-flex!important;min-width:76px!important;height:34px!important;padding:0 8px!important}.home-topbar .home-top-actions .home-user{display:none!important}}


/* Beta5.1: compact right-rail utility tray — must fit inside the 282px content rail */
@media(min-width:1251px){
  .home-right{padding:16px 18px 30px 0}
  .home-side-actions{height:42px;min-width:0;margin:0 0 10px;border-bottom:0}
  .home-side-actions-inner{gap:6px;min-width:0;overflow:hidden}
  .home-side-actions-inner>button{width:34px;min-width:34px;height:36px;padding:0;border-radius:8px}
  .home-side-actions-inner .lang-toggle{width:76px!important;min-width:76px!important;height:36px!important;padding:0 7px!important;gap:4px!important;font-size:11px!important}
  .home-side-actions-inner .lang-toggle .lang-option{font-size:11px!important}
  .home-side-actions-inner .home-user-shell{margin-left:0;min-width:0;flex:1}
  .home-side-actions-inner .home-user{width:100%;min-width:0;height:36px;padding:0 7px;gap:6px;border-radius:8px}
  .home-side-actions-inner .home-user-avatar{width:26px;height:26px;flex:0 0 26px}
  .home-side-actions-inner .home-user-copy{min-width:0;overflow:hidden}
  .home-side-actions-inner .home-user-copy b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}
  .home-side-actions-inner .home-user-copy small{display:none}
  .home-side-actions-inner .home-user>i{font-size:12px;flex:0 0 auto}
}


/* Beta5.2: word focus is a calm reading position, never an animated button */
.video-page .word-token{
  display:inline!important;
  position:relative;
  z-index:0;
  padding:0 .04em!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
  transform:none!important;
  font-family:inherit!important;
  font-size:inherit!important;
  font-weight:inherit!important;
  font-style:inherit!important;
  line-height:inherit!important;
  letter-spacing:inherit!important;
  word-spacing:inherit!important;
  transition:none!important;
}
.video-page .word-token:hover{transform:none!important;background:transparent!important;box-shadow:none!important}
.video-page .word-token.timing-active{
  isolation:isolate;
  background:transparent!important;
  border:0!important;
  border-radius:0!important;
  padding:0 .04em!important;
  box-shadow:none!important;
  text-shadow:none!important;
  transform:none!important;
  transition:none!important;
}
.video-page .word-token.timing-active::after{
  content:"";
  position:absolute;
  z-index:-1;
   /* Keep punctuation outside the calm focus surface. The token span excludes
      punctuation, so the marker hugs the glyphs without bleeding into the
      following comma/period. */
   inset:-2px 0 -2px -3px;
  border:1px solid #D5DEE8;
  border-radius:6px;
  background:#EAF0F6;
  pointer-events:none;
}
html[data-theme="light"] .video-page .current-en,
html[data-theme="light"] .video-page .line.active .line-en{color:#1F2937}
html[data-theme="light"] .video-page .word-token.timing-active{color:#0F172A!important}
html[data-theme="dark"] .video-page .current-en,
html[data-theme="dark"] .video-page .line.active .line-en{color:#E5E7EB}
html[data-theme="dark"] .video-page .word-token.timing-active{color:#F8FAFC!important}
html[data-theme="dark"] .video-page .word-token.timing-active::after{background:rgba(148,163,184,.18);border-color:rgba(148,163,184,.24)}
@media(prefers-reduced-motion:reduce){.video-page .word-token,.video-page .word-token::after{transition:none!important;animation:none!important}}


/* Full redesign foundation: calm, durable learning workspace */
:root{--bg:#F7F9FC;--bg2:#F1F5F9;--panel:#FFFFFF;--panel2:#F8FAFC;--text:#1F2937;--text2:#334155;--muted:#64748B;--line:#D9E2EC;--line2:#CBD5E1;--accent:#0F766E;--accent2:#2563EB;--accentSoft:#E8F3F3;--shadow-sm:0 2px 8px rgba(15,23,42,.04);--shadow-md:0 6px 18px rgba(15,23,42,.06)}
html[data-theme="dark"]{--bg:#111827;--bg2:#0F172A;--panel:#18212F;--panel2:#1E293B;--text:#E5E7EB;--text2:#CBD5E1;--muted:#94A3B8;--line:#334155;--line2:#475569;--accent:#5EEAD4;--accent2:#60A5FA;--accentSoft:rgba(94,234,212,.12);--shadow-sm:0 2px 8px rgba(0,0,0,.16);--shadow-md:0 6px 18px rgba(0,0,0,.2)}
*,*::before,*::after{box-sizing:border-box}button,a,[role="button"]{min-height:44px}button:focus-visible,a:focus-visible,[tabindex="0"]:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 42%,transparent);outline-offset:2px}
.learning-detail-card{margin-top:14px;border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:18px;box-shadow:var(--shadow-sm)}.learning-detail-table{margin-top:12px;border:1px solid var(--line);border-radius:8px;overflow:auto}.detail-row{min-width:680px;display:grid;grid-template-columns:1.05fr 2.2fr .8fr .65fr .7fr;gap:12px;align-items:center;padding:13px 14px;border-top:1px solid var(--line);font-size:12px;color:var(--text2);cursor:pointer}.detail-row:first-child{border-top:0}.detail-row:not(.detail-head):hover{background:var(--panel2)}.detail-row b{color:var(--text);font-size:12px}.detail-row strong{color:var(--accent)}.detail-head{background:var(--panel2);font-size:10px;color:var(--muted);cursor:default}
.learning-time-card,.learning-mini-stat{cursor:pointer}.learning-time-card:hover,.learning-mini-stat:hover{border-color:color-mix(in srgb,var(--accent) 42%,var(--line));box-shadow:var(--shadow-md)}
@media(max-width:700px){.learning-detail-card{padding:14px}.learning-detail-table{margin-left:-2px;margin-right:-2px}.detail-row{grid-template-columns:100px 220px 80px 60px 70px;padding:12px 10px}.learning-detail-card .card-heading{align-items:flex-start;gap:8px}.learning-detail-card .card-heading button{min-width:92px;padding:0 8px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}


/* Regression fixes: keep menus and semantic word colors intact */
.home-side-actions-inner{overflow:visible!important}
.home-side-actions,.home-side-actions-inner,.home-user-shell{position:relative;z-index:300}
.home-user-menu,.account-menu{z-index:500!important}
.video-page .word-token.timing-active{color:inherit!important}
.video-page .word-token.timing-active::after{background:#DCE8F2;border-color:#AFC3D5;box-shadow:none}
html[data-theme="dark"] .video-page .word-token.timing-active::after{background:rgba(148,163,184,.18);border-color:rgba(148,163,184,.30)}
/* Theme controls replace their data-icon child with a direct SVG at runtime. */
.video-page .study-chip > svg,
.study-chip > svg,
.home-side-actions-inner > button > svg,
.home-top-actions > button > svg{
  width:1em;height:1em;display:block;stroke:currentColor;fill:none;
  stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;
}


/* Tag, carousel and VIP polish */
.tag-cloud button{display:inline-flex;align-items:center;gap:4px;padding:7px 10px;border:1px solid color-mix(in srgb,var(--accent) 18%,var(--line));border-radius:8px;background:color-mix(in srgb,var(--accentSoft) 72%,var(--panel));color:var(--text2);font-size:10px;font-weight:750;transition:background .16s,border-color .16s,color .16s,transform .16s}.tag-cloud button .tag-hash{display:inline;padding:0;background:none;border:0;border-radius:0;color:var(--accent);font-weight:900}.tag-cloud button > span:not(.tag-hash){display:inline;padding:0;background:none;border:0;border-radius:0;color:inherit;font-size:inherit;font-weight:inherit}.tag-cloud button:hover,.tag-cloud button.active{background:var(--accentSoft);border-color:color-mix(in srgb,var(--accent) 48%,var(--line));color:var(--text);transform:translateY(-1px)}.hero-dots i{cursor:pointer;min-height:6px}.hero-dots i:focus-visible{outline:2px solid #fff;outline-offset:4px}.vip-badge{display:inline-flex;align-items:center;justify-content:center;padding:3px 6px;border-radius:5px;background:#E6B85C;color:#513B0A;font-size:9px;font-weight:900;letter-spacing:.04em}.home-user-copy .vip-expiry,.account-menu-head .vip-expiry{display:block;color:#B8892E;font-size:9px;font-weight:800}.home-user-copy .vip-expiry{display:none}
html[data-theme="dark"] .vip-badge{background:#D6A84C;color:#271B05}html[data-theme="dark"] .home-user-copy .vip-expiry,html[data-theme="dark"] .account-menu-head .vip-expiry{color:#F1C76B}

.vip-menu-item{color:#B8892E!important}.vip-menu-item svg{color:#B8892E!important}


/* VIP component generated from Image 2 visual language */
.vip-status-card{margin:4px 2px 10px;padding:12px;border:1px solid #D9E2EC;border-radius:8px;background:#FFFFFF;color:#1F2937;box-shadow:none}.vip-card-top{display:flex;align-items:center;gap:10px}.vip-emblem{width:38px;height:38px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid #D8B35A;border-radius:8px;background:#FFF7DF;color:#B8892E;font-size:16px;line-height:13px}.vip-emblem b{font-size:8px;letter-spacing:.04em}.vip-card-top strong{display:block;font-size:13px;font-weight:850}.vip-card-top .vip-expiry{display:block;margin-top:4px;color:#64748B;font-size:10px}.vip-card-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:11px;padding-top:9px;border-top:1px solid #E7EDF3}.vip-days{font-size:10px;color:#64748B;font-weight:750}.vip-manage{height:30px;min-height:30px!important;padding:0 9px;border:1px solid #D5DEE8;border-radius:6px;background:#F8FAFC;color:#334155;font-size:10px;font-weight:800;cursor:pointer}.vip-manage:hover{border-color:#B8892E;color:#8A681F;background:#FFFDF5}.account-menu-head .vip-badge{margin-left:auto;align-self:flex-start}
html[data-theme="dark"] .vip-status-card{border-color:#334155;background:#1E293B;color:#E5E7EB}html[data-theme="dark"] .vip-emblem{border-color:#8E7130;background:rgba(214,168,76,.14);color:#F1C76B}html[data-theme="dark"] .vip-card-top .vip-expiry,html[data-theme="dark"] .vip-days{color:#94A3B8}html[data-theme="dark"] .vip-card-meta{border-color:#334155}html[data-theme="dark"] .vip-manage{border-color:#475569;background:#18212F;color:#CBD5E1}
@media(max-width:850px){.vip-status-card{margin-left:0;margin-right:0}.vip-card-top strong{font-size:12px}}


/* Video learning workspace v2 — Image 2 calm reading system */
.video-page{background:var(--bg);color:var(--text)}
.video-page .study-top{height:58px;padding:0 24px;background:var(--bg);border-bottom:1px solid var(--line);gap:12px}
.video-page .study-title{font-size:14px;font-weight:750;color:var(--text)}
.video-page .study-chip{min-height:38px;height:38px;padding:0 12px;border-radius:8px;background:var(--panel);border-color:var(--line);color:var(--text2);box-shadow:none}
.video-page .study-chip:hover{border-color:var(--accent);color:var(--text);transform:none}
.video-page .study-grid{height:calc(100% - 58px);grid-template-columns:minmax(0,1.1fr) minmax(370px,.9fr);background:var(--bg)}
.video-page .study-left{padding:20px 24px 28px;gap:0;overflow:auto;background:var(--bg)}
.video-page .player{border-radius:12px;border:1px solid var(--line);box-shadow:0 2px 10px rgba(15,23,42,.08);background:#000}
.video-page .player-overlay{background:linear-gradient(180deg,transparent 78%,rgba(0,0,0,.16))}
.video-page .current-sentence{min-height:118px;padding:22px 28px 14px;color:var(--text)}
.video-page .current-en{color:var(--text);font-weight:700;line-height:1.6}
.video-page .current-zh{color:var(--muted);line-height:1.6}
.video-page .timeline{padding:0 6px}
.video-page .seek{height:5px;background:linear-gradient(90deg,var(--accent) var(--pct,0%),var(--line2) var(--pct,0%))}
.video-page .seek::-webkit-slider-thumb{width:14px;height:14px;border-width:3px;box-shadow:none}
.video-page .player-controls{grid-template-columns:1fr auto 1fr;gap:12px;margin-top:10px;padding:8px 10px;border-radius:10px;border:1px solid var(--line);background:var(--panel2);box-shadow:none}
.video-page .ctl-left,.video-page .study-modes{gap:6px}
.video-page .ctl{min-height:34px;padding:0 9px;border:1px solid transparent;background:transparent;color:var(--text2);border-radius:7px;font-size:11px}
.video-page .ctl:hover{background:var(--panel);color:var(--text)}
.video-page .main-play{width:44px;height:44px;background:var(--accent);color:#fff;box-shadow:none}
.video-page .jump{min-width:36px;min-height:36px;color:var(--text2);font-size:17px}
.video-page .study-modes{padding:3px;background:var(--panel);border:1px solid var(--line);border-radius:8px}
.video-page .mode{min-height:30px;padding:0 9px;border:0;border-radius:6px;color:var(--muted);font-size:11px}
.video-page .mode.active{background:var(--accentSoft);border:0;color:var(--accent);box-shadow:none}
.video-page .sentence-insight{margin-top:12px;padding:14px;border-radius:10px;border:1px solid var(--line);background:var(--panel);box-shadow:none}
.video-page .insight-grid article{border:1px solid var(--line);border-radius:8px;background:var(--panel2);box-shadow:none}
.video-page .transcript-wrap{border-left:1px solid var(--line);background:var(--panel);box-shadow:none}
.video-page .transcript-head{height:50px;padding:0 22px;background:var(--panel);border-bottom:1px solid var(--line);color:var(--muted)}
.video-page .transcript-head b{color:var(--text);font-weight:800}
.video-page .transcript{height:calc(100% - 50px);padding:12px 24px 80px 34px;background:var(--panel)}
.video-page .line{padding:13px 10px 13px 0;opacity:.82;border-radius:8px;transition:background .14s ease,border-color .14s ease,opacity .14s ease}
.video-page .line:hover{opacity:1;background:var(--panel2)}
.video-page .line.active{opacity:1;background:#F3F7FB;border-left:3px solid #0F766E;padding-left:12px}
.video-page .line.active:before{display:none}
.video-page .line-en{font-size:18px;line-height:1.7;color:#1F2937}
.video-page .line-zh{font-size:13px;line-height:1.65;color:#64748B}
.video-page .line-time{color:#94A3B8;font-size:10px}
html[data-theme="dark"] .video-page .line.active{background:#1E293B;border-left-color:#5EEAD4}
html[data-theme="dark"] .video-page .line-en{color:#E5E7EB}
html[data-theme="dark"] .video-page .line-zh{color:#94A3B8}
/* semantic vocabulary colors win over the focus marker */
.video-page .word-token.timing-active:not([class*="level-"]){color:inherit!important}
.video-page .word-token.timing-active.level-cet4{color:#059669!important}
.video-page .word-token.timing-active.level-cet6{color:#0891B2!important}
.video-page .word-token.timing-active.level-ielts{color:#7C3AED!important}
.video-page .word-token.timing-active.level-phrase{color:#B45309!important}
.video-page .word-token.timing-active::after{inset:-2px -5px;border-radius:6px;background:#E3EDF5;border-color:#AFC3D5}
html[data-theme="dark"] .video-page .word-token.timing-active::after{background:rgba(148,163,184,.18);border-color:rgba(148,163,184,.30)}
@media(max-width:1100px) and (min-width:761px){.video-page .study-grid{grid-template-columns:minmax(0,1fr) minmax(330px,.82fr)}.video-page .study-left{padding:18px}.video-page .transcript{padding-left:26px;padding-right:18px}.video-page .player-controls{grid-template-columns:1fr auto}.video-page .study-modes{grid-column:1/-1;justify-content:center}}
@media(max-width:760px){
  .video-page{height:auto!important;min-height:100vh;overflow:visible!important;padding-bottom:24px}
  .video-page .study-top{height:52px;padding:0 10px;position:sticky;top:0;z-index:90;background:var(--bg)}
  .video-page .study-title{font-size:12px;max-width:42vw}
  .video-page .study-top .study-chip{height:36px;min-height:36px;width:36px;padding:0;font-size:0;border-radius:8px}
  .video-page .study-top .study-chip#openSettings:before{content:'⚙';font-size:15px}
  .video-page .study-top .study-chip.study-lang-toggle{width:74px;font-size:10px}
  .video-page .study-top .study-chip#exportBtn{display:none}
  .video-page .mobile-study-tabs{display:flex!important;position:sticky;top:52px;z-index:80;padding:7px 12px;gap:6px;background:var(--bg);border-bottom:1px solid var(--line)}
  .video-page .mobile-study-tabs button{height:36px;min-height:36px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--muted);font-size:12px}
  .video-page .mobile-study-tabs button.active{background:var(--accentSoft);border-color:color-mix(in srgb,var(--accent) 38%,var(--line));color:var(--accent)}
  .video-page .study-grid{display:flex!important;flex-direction:column;height:auto!important;background:var(--bg)}
  .video-page .study-left{padding:0 12px 18px;overflow:visible}
  .video-page .player{position:relative!important;top:auto!important;z-index:1;margin:10px 0 0;border-radius:10px;box-shadow:0 2px 10px rgba(15,23,42,.08)}
  .video-page .current-sentence{display:grid!important;min-height:104px;margin-top:10px;padding:16px 14px;border:1px solid var(--line);border-radius:10px;background:var(--panel);text-align:left;place-items:center start}
  .video-page .current-en{font-size:19px!important;line-height:1.58!important}
  .video-page .current-zh{font-size:13px!important;margin-top:6px}
  .video-page .timeline{margin:10px 0 0;padding:0 2px}
  .video-page .player-controls{display:flex!important;flex-direction:column;margin:10px 0 0;padding:10px;border-radius:10px;gap:8px;background:var(--panel2)}
  .video-page .study-modes{order:1;width:100%;display:grid!important;grid-template-columns:repeat(5,minmax(0,1fr));gap:4px;padding:3px}
  .video-page .study-modes .mode{min-width:0;height:34px;min-height:34px;padding:0 2px;font-size:11px}
  .video-page .center-ctl{order:2;width:100%;justify-content:center;gap:20px}
  .video-page .ctl-left{order:3;width:100%;display:grid!important;grid-template-columns:repeat(3,1fr);gap:6px}
  .video-page .ctl-left .ctl{height:34px;min-height:34px;font-size:11px;background:var(--panel);border-color:var(--line)}
  .video-page .ctl-left #abBtn{display:none}
  .video-page .sentence-insight{display:block!important;margin-top:10px;padding:12px;border-radius:10px}
  .video-page .insight-grid{grid-template-columns:1fr;gap:6px}
  .video-page .insight-grid article{padding:10px}
  .video-page .transcript-wrap{order:4;display:block!important;height:auto;min-height:0;margin:0;border:0;background:var(--bg)}
  .video-page .transcript-head{height:44px;padding:0 12px;background:var(--bg);border-bottom:1px solid var(--line)}
  .video-page .transcript{height:auto;max-height:none;overflow:visible;padding:8px 12px 40px;background:var(--bg)}
  .video-page .line{padding:13px 12px;margin:5px 0;border:1px solid transparent;border-radius:8px;opacity:.86}
  .video-page .line.active{padding-left:11px;background:#F3F7FB;border-left:3px solid #0F766E}
  html[data-theme="dark"] .video-page .line.active{background:#1E293B;border-left-color:#5EEAD4}
  .video-page .line-en{font-size:17px!important;line-height:1.65!important}
  .video-page .line-zh{font-size:13px!important;color:#64748B}
  html[data-theme="dark"] .video-page .line-zh{color:#94A3B8}
  .video-page[data-mobile-pane="learn"] .transcript-wrap{display:none!important}
  .video-page[data-mobile-pane="transcript"] .current-sentence,.video-page[data-mobile-pane="transcript"] .timeline,.video-page[data-mobile-pane="transcript"] .player-controls,.video-page[data-mobile-pane="transcript"] .sentence-insight{display:none!important}
  .video-page[data-mobile-pane="transcript"] .transcript-wrap{display:block!important}
}

@media(max-width:760px){.video-page .desktop-vocab-mode{display:block!important}.video-page .study-modes{grid-template-columns:repeat(5,minmax(0,1fr))}}

/* Final word-marker alignment: no overlap with following punctuation. */
.video-page .word-token.timing-active::after{inset:-2px 0 -2px -3px!important}
/* Runtime theme toggles inject direct SVG nodes; keep them crisp and visible. */
.video-page .study-chip > svg{width:16px!important;height:16px!important;display:block;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* Mobile study flow follows the familiar video-first pattern:
   player → tabs → current-sentence card → controls/notes. */
@media(max-width:760px){
  .video-page{padding-bottom:108px!important;scroll-padding-bottom:108px}
  .video-page .study-left{display:flex!important;flex-direction:column!important}
  .video-page .player{order:1!important;position:relative!important;top:auto!important;margin:10px 0 0!important;border-radius:10px!important}
  .video-page .mobile-study-tabs{order:2!important;position:relative!important;top:auto!important;z-index:2!important;margin:10px 0 0!important;padding:0!important;background:transparent!important;border:0!important}
  .video-page .current-sentence{order:3!important;display:grid!important;margin-top:10px!important}
  .video-page .timeline{order:4!important}
  .video-page .player-controls{order:5!important}
  .video-page .sentence-insight{order:6!important}
  .video-page .mobile-study-tabs button{flex:1;min-width:0}
  .video-page .transcript{padding-bottom:108px!important}
}

/* User-controlled outline color; semantic word colors remain untouched. */
.outline-color-control{margin-top:10px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--panel2)}
.outline-color-control.disabled{opacity:.52}
.outline-color-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:8px}.outline-color-head b{font-size:11px;color:var(--text)}.outline-color-head small{font-size:10px;color:var(--muted)}
.outline-color-tools{display:flex;align-items:center;gap:10px}.outline-color-tools input[type=color]{width:34px;height:30px;padding:2px;border:1px solid var(--line2);border-radius:6px;background:var(--panel);cursor:pointer}.outline-swatches{display:flex;gap:6px}.outline-swatches button{width:26px;height:26px;min-height:26px;padding:0;border-radius:6px;border:1px solid var(--line2);background:var(--swatch);cursor:pointer}.outline-swatches button.active{outline:2px solid var(--accent);outline-offset:2px}
html[data-track="outline"] .word-token[class*="level-"]{text-shadow:.65px 0 var(--wordOutline),-.65px 0 var(--wordOutline),0 .65px var(--wordOutline),0 -.65px var(--wordOutline)}
html[data-track="outline"] .word-token.level-cet4{color:var(--mint)!important}html[data-track="outline"] .word-token.level-cet6{color:var(--cyan)!important}html[data-track="outline"] .word-token.level-ielts{color:#7C3AED!important}html[data-track="outline"] .word-token.level-phrase{color:#B45309!important}
html[data-theme="dark"][data-track="outline"] .word-token.level-ielts{color:#C084FC!important}html[data-theme="dark"][data-track="outline"] .word-token.level-phrase{color:#F59E0B!important}

/* Vocabulary mode keeps context visible while guiding attention to useful sentences. */
.video-page.vocab-mode .line.vocab-muted-line{opacity:.38}.video-page.vocab-mode .line.vocab-line{opacity:1;border-left:2px solid color-mix(in srgb,var(--accent) 58%,var(--line));padding-left:11px;background:color-mix(in srgb,var(--accentSoft) 42%,transparent)}.video-page.vocab-mode .line.vocab-line .line-en{font-weight:720}.video-page.vocab-mode .line.vocab-line .line-time{color:var(--accent)}

/* Settings font controls drive both the focused sentence and the transcript. */
.video-page .current-en,.video-page .line-en{font-size:var(--font)!important}
/* The insight panel is a learning aid, so it follows the reading scale instead of tiny utility text. */
.video-page .insight-head b{font-size:clamp(13px,calc(var(--font) * .68),16px)}.video-page .insight-head span{font-size:clamp(10px,calc(var(--font) * .5),12px)}.video-page .insight-grid b{font-size:clamp(12px,calc(var(--font) * .6),15px)}.video-page .insight-grid p{font-size:clamp(11px,calc(var(--font) * .55),14px);line-height:1.55}.video-page .mini-action{font-size:clamp(10px,calc(var(--font) * .48),12px);padding:7px 9px}
/* Keep the bilingual card readable and let its Chinese line grow naturally below English. */
.video-page .current-zh{font-size:clamp(13px,calc(var(--font) * .55),16px)!important;color:var(--muted);line-height:1.55!important}
@media(max-width:760px){.video-page .current-en,.video-page .line-en{font-size:var(--font)!important}.video-page .current-sentence{min-height:128px!important;height:auto!important;align-items:start!important}.video-page .current-zh{font-size:clamp(13px,calc(var(--font) * .55),16px)!important;margin-top:8px!important}.video-page .insight-grid b{font-size:clamp(12px,calc(var(--font) * .62),15px)}.video-page .insight-grid p{font-size:clamp(11px,calc(var(--font) * .56),14px)}.video-page[data-mobile-pane="transcript"] .timeline{display:block!important;order:3!important;margin:10px 0 0!important;padding:0 2px!important;background:var(--bg)!important}.video-page[data-mobile-pane="transcript"] .transcript-wrap{order:4!important;height:calc(100vh - 430px)!important;min-height:220px!important;max-height:calc(100vh - 320px)!important;overflow:hidden!important;border:1px solid var(--line)!important;border-radius:10px!important;background:var(--panel)!important}.video-page[data-mobile-pane="transcript"] .transcript{height:100%!important;max-height:none!important;overflow-y:auto!important;overflow-x:hidden!important;overscroll-behavior:contain;scroll-behavior:smooth;padding:8px 10px 24px!important;scrollbar-width:thin;scrollbar-color:var(--line2) transparent}.video-page[data-mobile-pane="transcript"] .transcript::-webkit-scrollbar{width:6px}.video-page[data-mobile-pane="transcript"] .transcript::-webkit-scrollbar-thumb{background:var(--line2);border-radius:6px}}

/* Beta 6.8: mobile-safe dictionary card, readable notes and home typography */
/* Keep the dictionary surface flat and calm while preserving the existing interaction. */
.dict{background:var(--panel)!important;backdrop-filter:none!important;border-radius:12px!important;box-shadow:0 12px 32px rgba(15,23,42,.14)!important;max-height:calc(100vh - 24px);overflow-y:auto;overflow-x:hidden}
.dict-top{background:var(--panel2)!important;border-bottom:1px solid var(--line)!important}
.dict-body{background:var(--panel)!important}
.dict .dict-word{font-size:clamp(24px,5vw,28px)!important;line-height:1.15}
.dict .dict-phon{font-size:13px!important}
.dict .sense b{font-size:13px!important}
.dict .sense p,.dict .context-box{font-size:14px!important;line-height:1.65!important}
.dict .level-badge{font-size:11px!important}
.dict.mobile-dict{left:12px!important;right:12px!important;top:auto!important;bottom:calc(76px + env(safe-area-inset-bottom, 0px))!important;width:auto!important;max-width:none!important;max-height:min(64vh,520px)!important;overflow-y:auto!important;overscroll-behavior:contain;touch-action:pan-y;z-index:600!important;border-radius:14px!important}
.dict.mobile-dict .dict-top{position:sticky;top:0;z-index:2}
.dict.mobile-dict .dict-body{padding-bottom:14px}
@media(max-width:380px){.dict.mobile-dict{left:8px!important;right:8px!important;bottom:calc(70px + env(safe-area-inset-bottom, 0px))!important;max-height:calc(100vh - 88px)!important}}

/* Removing the redundant vocabulary mode keeps the four primary study modes compact. */
.video-page .desktop-vocab-mode{display:none!important}
@media(max-width:760px){.video-page .study-modes{grid-template-columns:repeat(4,minmax(0,1fr))!important}.video-page .study-modes .mode{font-size:12px!important}}

/* Notes and preference descriptions are secondary text, not microcopy. */
.video-page .insight-head b{font-size:clamp(14px,calc(var(--font) * .72),17px)!important}
.video-page .insight-head span{font-size:clamp(11px,calc(var(--font) * .56),14px)!important;line-height:1.45!important}
.video-page .insight-grid b{font-size:clamp(13px,calc(var(--font) * .66),16px)!important}
.video-page .insight-grid p{font-size:clamp(12px,calc(var(--font) * .6),15px)!important;line-height:1.6!important}

/* Beta 6.10 — official-web-scale typography and sentence-aware learning cards.
   The former 9–12px helper copy is lifted by roughly two thirds, while rows gain
   enough intrinsic height to reflow instead of clipping at 200% browser zoom. */
:root{--eastudy-body:19px;--eastudy-support:16px;--eastudy-caption:14px}
.video-page .study-title{min-width:0;font-size:20px!important;line-height:1.35!important;font-weight:800!important}
.video-page .player{flex:0 0 auto}
.video-page .sentence-insight{padding:18px!important;border-radius:18px!important}
.video-page .insight-head{min-height:34px;align-items:flex-start!important}
.video-page .insight-head>div{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.video-page .insight-head b{font-size:20px!important;line-height:1.35!important}
.video-page .insight-head span{margin-left:0!important;font-size:15px!important;line-height:1.55!important}
.video-page .insight-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:12px!important;margin-top:14px!important}
.video-page .insight-grid article{min-width:0;min-height:112px;padding:16px!important;gap:12px!important;align-items:flex-start!important}
.video-page .insight-icon{width:38px!important;height:38px!important;border-radius:10px!important}
.video-page .insight-grid article>div{min-width:0}
.video-page .insight-grid b{font-size:17px!important;line-height:1.4!important}
.video-page .insight-grid p{font-size:16px!important;line-height:1.65!important;overflow-wrap:anywhere}
.video-page .mini-action{min-height:44px!important;min-width:88px;padding:0 12px!important;font-size:15px!important;line-height:1.35!important}
.video-page .insight-shadow{grid-column:1/-1;min-height:92px!important;align-items:center!important}

.collection-video-row{grid-template-columns:210px minmax(0,1fr) 190px 126px!important;min-height:146px!important;gap:20px!important;padding:13px!important}
.collection-video-thumb{height:118px!important}
.collection-video-thumb span{font-size:14px!important;padding:4px 7px!important}
.collection-video-info{min-width:0}
.collection-video-info h3{font-size:21px!important;line-height:1.42!important;margin-bottom:8px!important;overflow-wrap:anywhere}
.collection-video-info p{font-size:16px!important;line-height:1.5!important}
.collection-video-tags{gap:7px!important;flex-wrap:wrap!important;margin-top:10px!important}
.collection-video-tags span{font-size:14px!important;line-height:1.3!important;padding:5px 8px!important}
.row-progress{font-size:15px!important;line-height:1.5!important}
.row-action button{min-height:44px!important;height:44px!important;font-size:15px!important;padding:0 14px!important}

/* Main learner surfaces share the same comfortable UI scale. */
.home-dashboard .home-nav-item{font-size:16px!important}
.home-dashboard .home-search input,.home-dashboard .home-search span{font-size:16px!important}
.home-dashboard .home-user-copy b{font-size:16px!important}
.home-dashboard .home-user-copy small{font-size:14px!important}
.home-dashboard .home-section-head h2{font-size:26px!important}
.home-dashboard .home-section-head p{font-size:16px!important;line-height:1.5!important}
.home-dashboard .home-section-head button{font-size:15px!important}
.home-dashboard .home-video-body h3{font-size:17px!important;line-height:1.42!important}
.home-dashboard .home-card-foot{font-size:14px!important}
.home-dashboard .home-collection-card .collection-info b{font-size:17px!important}
.home-dashboard .home-collection-card .collection-info span{font-size:14px!important}
.home-dashboard .home-creator b{font-size:16px!important}
.home-dashboard .home-creator small{font-size:14px!important;line-height:1.45!important}
.home-dashboard .right-title h3{font-size:20px!important}
.home-dashboard .right-title button{font-size:14px!important}
.home-dashboard .right-quote p{font-size:15px!important}
.home-dashboard .study-stat-grid small,.home-dashboard .streak p,.home-dashboard .daily-pick p{font-size:14px!important;line-height:1.5!important}
.home-dashboard .tag-cloud button{font-size:15px!important;min-height:42px!important}
.home-dashboard .progress-mini{font-size:15px!important}

@media(max-width:850px){
  .video-page .study-title{font-size:17px!important;max-width:calc(100vw - 178px)!important}
  .video-page .sentence-insight{padding:15px!important}
  .video-page .insight-head b{font-size:18px!important}
  .video-page .insight-head span{font-size:15px!important}
  .video-page .insight-grid{grid-template-columns:1fr!important}
  .video-page .insight-grid article{min-height:0!important;padding:15px!important}
  .video-page .insight-grid b{font-size:17px!important}
  .video-page .insight-grid p{font-size:16px!important}
  .collection-video-row{grid-template-columns:132px minmax(0,1fr)!important;min-height:122px!important;gap:13px!important;align-items:start!important}
  .collection-video-thumb{height:92px!important}
  .collection-video-info h3{font-size:18px!important;line-height:1.38!important;margin-bottom:5px!important}
  .collection-video-info p{font-size:15px!important}
  .collection-video-tags span{font-size:13px!important;padding:4px 7px!important}
  .home-dashboard .home-video-body h3{font-size:17px!important}
  .home-dashboard .home-card-foot{font-size:14px!important}
}
@media(min-width:1600px){
  .video-page .insight-grid{grid-template-columns:1fr 1fr 1.2fr!important}
  .video-page .insight-shadow{grid-column:auto;min-height:112px!important}
}
@media(max-width:520px){
  .video-page .study-title{font-size:16px!important;max-width:calc(100vw - 172px)!important}
  .collection-video-row{grid-template-columns:116px minmax(0,1fr)!important;padding:10px!important}
  .collection-video-thumb{height:82px!important}
  .collection-video-info h3{font-size:17px!important}
}

/* Beta 6.11 — unified Eastudy logo supplied by the product owner. */
.eastudy-logo{display:block;object-fit:contain;object-position:center;background:#fff;border:1px solid rgba(15,42,59,.08);border-radius:10px;padding:4px;flex:none;box-shadow:0 2px 10px rgba(2,30,44,.08)}
.eastudy-logo--top{width:158px;height:50px}
.eastudy-logo--mobile{width:126px;height:40px;padding:3px;border-radius:8px}
.eastudy-logo--sidebar{width:100%;height:auto;aspect-ratio:3.26/1;padding:5px}
.eastudy-logo--signin{width:220px;height:auto;aspect-ratio:3.26/1;padding:5px}
.brand:has(.eastudy-logo){min-width:158px;overflow:hidden}
.home-brand:has(.eastudy-logo){display:block!important;width:100%;padding:0 4px 20px!important;overflow:hidden}
.mobile-brand:has(.eastudy-logo){max-width:132px;overflow:hidden}
.signin-logo:has(.eastudy-logo){justify-content:flex-start}
@media(max-width:850px){
  .eastudy-logo--mobile{width:118px;height:38px}
  .mobile-global-header{gap:8px}
}
@media(max-width:390px){
  .eastudy-logo--mobile{width:104px;height:36px}
}
.video-page .mini-action{font-size:clamp(11px,calc(var(--font) * .5),13px)!important}
.settings-v2 .set-head>div b{font-size:21px!important}
.settings-v2 .set-head>div small{font-size:12px!important;line-height:1.45!important}
.settings-v2 .set-title-row b{font-size:14px!important}
.settings-v2 .set-title-row small{font-size:11px!important;line-height:1.45!important}
.settings-v2 .setting-card .setting-copy b{font-size:13px!important}
.settings-v2 .setting-card .setting-copy small{font-size:11px!important;line-height:1.45!important}
.settings-v2 .outline-color-head b{font-size:13px!important}
.settings-v2 .outline-color-head small{font-size:11px!important;line-height:1.45!important}
.settings-v2 .highlight-toggle b{font-size:13px!important}
.settings-v2 .highlight-toggle small{font-size:11px!important;line-height:1.45!important}
.settings-v2 .level-toggle{font-size:12px!important}
.settings-v2 .sentence-action-preview button{font-size:12px!important}

/* Homepage reading scale: headings and labels stay comfortable at desktop and mobile sizes. */
.home-dashboard{font-size:14px}
.home-dashboard .home-brand b{font-size:21px!important}
.home-dashboard .home-brand small{font-size:10px!important}
.home-dashboard .home-nav-item{font-size:14px!important}
.home-dashboard .home-search input,.home-dashboard .home-search span{font-size:14px!important}
.home-dashboard .home-user-copy b{font-size:14px!important}
.home-dashboard .home-user-copy small{font-size:11px!important}
.home-dashboard .home-hero h1{font-size:40px!important}
.home-dashboard .home-hero p{font-size:18px!important}
.home-dashboard .home-kicker{font-size:11px!important}
.home-dashboard .home-section-head h2{font-size:22px!important}
.home-dashboard .home-section-head p{font-size:13px!important}
.home-dashboard .home-section-head button{font-size:12px!important}
.home-dashboard .home-video-body h3{font-size:13px!important;line-height:1.38!important}
.home-dashboard .home-card-foot{font-size:11px!important}
.home-dashboard .home-collection-card .collection-info b{font-size:13px!important}
.home-dashboard .home-collection-card .collection-info span{font-size:11px!important}
.home-dashboard .home-creator b{font-size:12px!important}
.home-dashboard .home-creator small{font-size:11px!important}
.home-dashboard .right-title h3{font-size:16px!important}
.home-dashboard .right-title button{font-size:11px!important}
.home-dashboard .right-quote b{font-size:18px!important}
.home-dashboard .right-quote p{font-size:12px!important;line-height:1.6!important}
.home-dashboard .study-stat-grid b{font-size:17px!important}
.home-dashboard .study-stat-grid small{font-size:11px!important}
.home-dashboard .streak-title{font-size:15px!important}
.home-dashboard .streak-title strong{font-size:20px!important}
.home-dashboard .week-row{font-size:10px!important}
.home-dashboard .date-row b{font-size:10px!important}
.home-dashboard .streak p,.home-dashboard .daily-pick p{font-size:11px!important}
.home-dashboard .daily-pick h4{font-size:14px!important}
.home-dashboard .tag-cloud button{font-size:12px!important}
.home-dashboard .progress-mini{font-size:12px!important}
@media(max-width:760px){
  .home-dashboard .home-hero h1{font-size:32px!important}
  .home-dashboard .home-hero p{font-size:16px!important}
  .home-dashboard .home-section-head h2{font-size:20px!important}
  .home-dashboard .home-video-body h3{font-size:14px!important}
  .home-dashboard .home-card-foot{font-size:11px!important}
  .home-dashboard .right-title h3{font-size:16px!important}
  .home-dashboard .study-stat-grid b{font-size:18px!important}
}
/* Legibility floor for transcript metadata and action captions. */
.video-page .transcript-head span{font-size:12px!important;line-height:1.45!important}
.video-page .line-time{font-size:11px!important;line-height:1.35!important}
.video-page .line-actions .action-chip{font-size:11px!important}
@media(max-width:760px){.video-page .transcript-head span{font-size:12px!important}.video-page .line-time{font-size:11px!important}.video-page .line-actions .action-chip{font-size:11px!important}}
/* Keep the utility tray inside the 282px right rail on wide screens. */
@media(min-width:1251px){.home-side-actions-inner .home-user{min-width:0!important}.home-side-actions-inner .home-user-copy{min-width:0!important}.home-side-actions-inner .home-user .vip-badge{font-size:8px!important;padding:2px 4px!important}}
/* Preserve each vocabulary level colour while the timing marker is active. */
.video-page .word-token.timing-active.level-cet4{color:#059669!important}
.video-page .word-token.timing-active.level-cet6{color:#0891B2!important}
.video-page .word-token.timing-active.level-ielts{color:#7C3AED!important}
.video-page .word-token.timing-active.level-phrase{color:#B45309!important}
.video-page .word-token.timing-active:not([class*="level-"]){color:inherit!important}
html[data-theme="dark"] .video-page .word-token.timing-active.level-cet4{color:#34D399!important}
html[data-theme="dark"] .video-page .word-token.timing-active.level-cet6{color:#22D3EE!important}
html[data-theme="dark"] .video-page .word-token.timing-active.level-ielts{color:#C084FC!important}
html[data-theme="dark"] .video-page .word-token.timing-active.level-phrase{color:#F59E0B!important}
html[data-theme="dark"] .video-page .word-token.timing-active:not([class*="level-"]){color:inherit!important}
/* Light theme uses the same semantic colours instead of the navy focus colour. */
html[data-theme="light"] .video-page .word-token.timing-active.level-cet4{color:#059669!important}
html[data-theme="light"] .video-page .word-token.timing-active.level-cet6{color:#0891B2!important}
html[data-theme="light"] .video-page .word-token.timing-active.level-ielts{color:#7C3AED!important}
html[data-theme="light"] .video-page .word-token.timing-active.level-phrase{color:#B45309!important}
html[data-theme="light"] .video-page .word-token.timing-active:not([class*="level-"]){color:inherit!important}
/* Eastudy identity: a flat, quiet mark that remains clear in both themes. */
.brand-mark{background:var(--accentSoft)!important;color:var(--accent)!important;border:1px solid color-mix(in srgb,var(--accent) 28%,var(--line))!important;box-shadow:none!important;border-radius:8px!important}
.brand-mark svg{stroke:currentColor;fill:none}
.home-brand-wave{width:36px;height:36px;border-radius:9px;background:var(--accentSoft);border:1px solid color-mix(in srgb,var(--accent) 28%,var(--line));display:grid;place-items:center;color:var(--accent);font-size:26px;line-height:1;transform:none!important;font-weight:800}
.home-brand b{font-size:22px!important;letter-spacing:-.035em!important;color:var(--text)}
.home-brand small{font-size:10px!important;letter-spacing:.02em}
.mobile-brand .brand-mark{border-radius:8px!important}
.studio-brand .brand-mark{border-radius:8px!important;background:var(--accentSoft)!important;color:var(--accent)!important}
/* Follow controls use the same flat outlined action component as the account panel. */
.follow-small,.creator-mini-follow{height:40px!important;min-height:40px!important;min-width:72px!important;padding:0 12px!important;border:1px solid var(--line2)!important;border-radius:8px!important;background:var(--panel2)!important;color:var(--text2)!important;font-size:13px!important;font-weight:800!important;display:inline-flex;align-items:center;justify-content:center;gap:6px;box-shadow:none!important;transition:background .16s,border-color .16s,color .16s,transform .16s}
.follow-small:hover,.creator-mini-follow:hover{background:var(--accentSoft)!important;border-color:var(--accent)!important;color:var(--accent)!important;transform:none!important}
.follow-small.following,.creator-mini-follow.following{background:var(--accentSoft)!important;border-color:color-mix(in srgb,var(--accent) 48%,var(--line))!important;color:var(--accent)!important}
.follow-small{right:14px!important;top:15px!important}
.creator-mini-follow{right:10px!important;top:10px!important}
@media(max-width:760px){.follow-small,.creator-mini-follow{height:42px!important;min-height:42px!important;min-width:78px!important;font-size:13px!important}.follow-main{height:46px!important;min-height:46px!important;font-size:14px!important;border-radius:10px!important}}
/* Account identity chip: reserve room for the user name, VIP badge and chevron. */
.global-account-btn{min-width:156px!important;padding-right:12px!important;gap:8px!important}
.global-account-btn .avatar-copy b{font-size:13px!important}
.global-account-btn .vip-badge{font-size:9px!important;padding:3px 6px!important;flex:0 0 auto}
@media(min-width:1251px){
  .home-side-actions-inner{gap:4px!important}
  .home-side-actions-inner>button{width:32px!important;min-width:32px!important}
  .home-side-actions-inner .lang-toggle{width:68px!important;min-width:68px!important}
  .home-side-actions-inner .home-user-shell{flex:0 0 132px!important;width:132px!important}
  .home-side-actions-inner .home-user{width:132px!important;min-width:132px!important;padding:0 7px!important}
  .home-side-actions-inner .home-user-copy{flex:1 1 auto;min-width:28px!important}
  .home-side-actions-inner .home-user-copy b{font-size:13px!important}
  .home-side-actions-inner .home-user .vip-badge{font-size:9px!important;padding:3px 5px!important}
}
/* Phrase markers stay as one readable unit; punctuation remains outside the marker. */
.video-page .word-token.phrase-token{white-space:nowrap}
.video-page .word-token.phrase-token.timing-active::after{inset:-2px 0 -2px -3px!important;border-radius:6px}
/* Use the app's common sans stack for low-effort subtitle reading. */
.video-page .current-en,.video-page .line-en{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,"PingFang SC","Microsoft YaHei",sans-serif!important}
/* A simple E-mark keeps the new Eastudy name legible at a glance. */
.brand-mark{font-size:0!important}
.brand-mark::before{content:"E";font-size:19px;font-weight:900;letter-spacing:-.08em;line-height:1}
.home-brand-wave{font-size:0!important}
.home-brand-wave::before{content:"E";font-size:24px;font-weight:900;letter-spacing:-.1em;line-height:1}

/* Keep the Image 2 identity chip intact on compact desktop widths too. */
@media (min-width:851px) and (max-width:1100px){
  .global-account-btn{min-width:136px!important;width:136px!important;padding:0 8px 0 5px!important;gap:7px!important}
  .global-account-btn .avatar-copy{display:flex!important;min-width:30px!important}
  .global-account-btn .avatar-copy b{font-size:13px!important}
  .global-account-btn .avatar-copy small{display:block!important;font-size:9px!important}
  .global-account-btn .vip-badge{display:inline-flex!important;font-size:9px!important;padding:3px 5px!important;flex:0 0 auto}
  .global-account-btn>svg{display:block!important;width:13px!important;flex:0 0 13px}
}

/* Use the same learner portrait in the global chip and its account menu. */
.global-account-btn .avatar,
.global-account-menu .account-menu-head>.avatar{background:url('../images/home_video_2.png') center/cover no-repeat!important;font-size:0!important}

/* Final Beta 6.11 header fitting: keep the supplied wordmark intact and labels horizontal. */
.navlink{white-space:nowrap;flex:none}
@media(min-width:1101px) and (max-width:1400px){
  .app-nav{padding:0 18px!important;gap:10px!important}
  .eastudy-logo--top{width:148px;height:46px}
  .brand:has(.eastudy-logo){min-width:148px}
  .navlinks{gap:1px!important}
  .navlink{padding:8px 7px!important;gap:5px!important;font-size:13px!important}
  .global-search-trigger{width:min(260px,22vw)!important}
  .global-account-btn{min-width:146px!important}
}
@media(max-width:850px){
  .home-top-actions:before{content:""!important;display:block;width:118px;height:38px;margin-right:auto!important;border:1px solid rgba(15,42,59,.08);border-radius:8px;background:#fff url('../images/eastudy-logo.png') center/contain no-repeat;box-shadow:0 2px 10px rgba(2,30,44,.08)}
}
@media(max-width:390px){.home-top-actions:before{width:104px;height:36px}}

/* Beta 6.12 — supplied crown VIP identity, with dedicated dark/light artwork. */
:root,
html[data-theme="light"]{--eastudy-vip-logo:url('../images/eastudy-vip-light.png')}
html[data-theme="dark"]{--eastudy-vip-logo:url('../images/eastudy-vip-dark.png')}

/* Keep the text node for accessibility and the existing VIP sync contract;
   the supplied artwork is the only visible badge on every account surface. */
.vip-badge,
.vip-emblem,
.pro-crown{
  background-color:transparent!important;
  background-image:var(--eastudy-vip-logo)!important;
  background-position:center!important;
  background-repeat:no-repeat!important;
  background-size:contain!important;
  border:0!important;
  border-radius:0!important;
  box-shadow:none!important;
  color:transparent!important;
  font-size:0!important;
  line-height:0!important;
  padding:0!important;
}
.vip-badge{display:inline-block!important;width:56px!important;height:26px!important;flex:0 0 56px!important}
.vip-emblem{display:block!important;width:78px!important;height:36px!important;flex:0 0 78px!important}
.vip-emblem b{display:none!important}
.pro-crown{display:block!important;width:112px!important;height:52px!important}

/* The primary header has room for the complete name + badge + chevron. */
.global-account-btn{min-width:190px!important}
.global-account-btn .vip-badge{width:54px!important;height:25px!important;flex-basis:54px!important}
.account-menu-head .vip-badge{width:58px!important;height:27px!important;flex-basis:58px!important;margin-left:auto!important}

/* The home utility rail is intentionally compact; retain the complete artwork. */
.home-side-actions-inner .home-user .vip-badge{display:inline-block!important;width:44px!important;height:21px!important;flex:0 0 44px!important;padding:0!important}
.home-side-actions-inner .home-user-copy b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

@media(min-width:1251px){
  .home-side-actions-inner .home-user-shell,
  .home-side-actions-inner .home-user{width:140px!important;flex-basis:140px!important;min-width:140px!important}
  .home-side-actions-inner .home-user{gap:5px!important;padding:0 6px!important}
  .home-side-actions-inner .home-user-copy{min-width:26px!important}
  .home-side-actions-inner .home-user .vip-badge{width:42px!important;height:20px!important;flex-basis:42px!important}
}
@media(min-width:851px) and (max-width:1100px){
  .global-account-btn{width:174px!important;min-width:174px!important}
  .global-account-btn .vip-badge{width:48px!important;height:23px!important;flex-basis:48px!important;padding:0!important}
}
@media(min-width:1101px) and (max-width:1400px){
  .global-account-btn{min-width:176px!important}
  .global-account-btn .vip-badge{width:48px!important;height:23px!important;flex-basis:48px!important}
}
@media(max-width:850px){
  .vip-emblem{width:72px!important;height:34px!important;flex-basis:72px!important}
  .pro-crown{width:104px!important;height:48px!important}
}

/* Beta 6.14 — supplied bilingual motivation card for both colour themes. */
:root,
html[data-theme="light"]{
  --eastudy-quote-art:url('../images/eastudy-quote-light.webp');
  --eastudy-quote-ratio:1.7308;
}
html[data-theme="dark"]{
  --eastudy-quote-art:url('../images/eastudy-quote-dark.webp');
  --eastudy-quote-ratio:1.7964;
}
.home-dashboard .right-quote{
  width:100%;
  min-height:0!important;
  aspect-ratio:var(--eastudy-quote-ratio);
  padding:0!important;
  border:0!important;
  border-radius:18px!important;
  background-color:transparent!important;
  background-image:var(--eastudy-quote-art)!important;
  background-position:center!important;
  background-repeat:no-repeat!important;
  background-size:100% 100%!important;
  box-shadow:0 8px 22px rgba(15,23,42,.08)!important;
  overflow:hidden;
}
/* Keep the original bilingual copy available to assistive technology. */
.home-dashboard .right-quote>.quote-mark,
.home-dashboard .right-quote>b,
.home-dashboard .right-quote>p{
  position:absolute!important;
  width:1px!important;
  height:1px!important;
  margin:-1px!important;
  padding:0!important;
  overflow:hidden!important;
  clip:rect(0 0 0 0)!important;
  clip-path:inset(50%)!important;
  white-space:nowrap!important;
}
@media(max-width:850px){
  .home-dashboard .right-quote{border-radius:16px!important}
}

/* Beta 6.15 — desktop learning stays inside one viewport; only subtitles scroll. */
@media(min-width:851px){
  .video-page{
    height:100vh!important;
    min-height:0!important;
    overflow:hidden!important;
    padding-bottom:0!important;
  }
  .video-page .study-top{position:relative!important;top:auto!important}
  .video-page .study-grid{
    display:grid!important;
    grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr)!important;
    height:calc(100vh - 58px)!important;
    max-width:none!important;
    margin:0!important;
    padding-bottom:0!important;
    overflow:hidden!important;
  }
  .video-page .study-left{
    height:100%!important;
    min-height:0!important;
    max-height:100%!important;
    padding:14px 18px 16px!important;
    overflow:hidden!important;
    display:flex!important;
    flex-direction:column!important;
  }
  .video-page .mobile-study-tabs{display:none!important}
  .video-page .player{
    position:relative!important;
    top:auto!important;
    width:100%!important;
    max-width:none!important;
    min-height:170px!important;
    height:auto!important;
    margin:0!important;
    aspect-ratio:auto!important;
    flex:1 1 170px!important;
  }
  .video-page .current-sentence{
    min-height:92px!important;
    padding:14px 20px 10px!important;
    flex:0 0 auto!important;
  }
  .video-page .timeline{flex:0 0 auto!important}
  .video-page .player-controls{
    grid-template-columns:1fr auto 1fr!important;
    margin-top:7px!important;
    padding:6px 8px!important;
    flex:0 0 auto!important;
  }
  .video-page .study-modes{grid-column:auto!important;justify-content:flex-end!important}
  .video-page .sentence-insight{
    margin:8px 0 0!important;
    padding:12px!important;
    border-radius:12px!important;
    flex:0 0 auto!important;
  }
  .video-page .insight-head{min-height:28px!important}
  .video-page .insight-head b{font-size:18px!important}
  .video-page .insight-head span{font-size:13px!important}
  .video-page .insight-grid{
    grid-template-columns:repeat(3,minmax(0,1fr))!important;
    gap:8px!important;
    margin-top:9px!important;
  }
  .video-page .insight-grid article{
    min-height:0!important;
    padding:11px!important;
    gap:9px!important;
  }
  .video-page .insight-shadow{grid-column:auto!important;min-height:0!important}
  .video-page .insight-icon{width:34px!important;height:34px!important}
  .video-page .insight-grid b{font-size:15px!important}
  .video-page .insight-grid p{font-size:14px!important;line-height:1.55!important}
  .video-page .mini-action{min-height:38px!important;min-width:72px!important;font-size:13px!important;padding:0 9px!important}
  .video-page .transcript-wrap{
    display:block!important;
    height:100%!important;
    min-height:0!important;
    margin:0!important;
    border-radius:0!important;
    border-width:0 0 0 1px!important;
    overflow:hidden!important;
  }
  .video-page .transcript{
    height:calc(100% - 50px)!important;
    max-height:none!important;
    overflow-y:auto!important;
    overflow-x:hidden!important;
  }
  .video-page .insight-shadow{
    display:grid!important;
    grid-template-columns:34px minmax(0,1fr)!important;
    grid-template-rows:auto auto!important;
    align-items:start!important;
  }
  .video-page .insight-shadow .insight-icon{grid-row:1/3}
  .video-page .insight-shadow .mini-action{
    grid-column:2;
    width:100%;
    margin:7px 0 0!important;
  }
}

/* Adjacent key expressions rotate colours; every phrase remains one intact unit. */
.video-page .word-token.keyword-tone-1{color:#059669!important}
.video-page .word-token.keyword-tone-2{color:#C25A00!important}
.video-page .word-token.keyword-tone-3{color:#7C3AED!important}
.video-page .word-token.keyword-tone-4{color:#0284C7!important}
html[data-theme="dark"] .video-page .word-token.keyword-tone-1{color:#34D399!important}
html[data-theme="dark"] .video-page .word-token.keyword-tone-2{color:#F59E0B!important}
html[data-theme="dark"] .video-page .word-token.keyword-tone-3{color:#C084FC!important}
html[data-theme="dark"] .video-page .word-token.keyword-tone-4{color:#22D3EE!important}

/* Beta 6.17 — vocabulary assets, review queue and persistent mastery state. */
.vocab-heading-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.vocab-heading-actions button{display:inline-flex;align-items:center;justify-content:center;gap:8px}.vocab-review-panel[hidden],.vocab-review-card [hidden]{display:none!important}.vocab-review-panel{margin:0 0 22px;border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));border-radius:24px;background:linear-gradient(145deg,color-mix(in srgb,var(--accentSoft) 55%,var(--panel)),var(--panel));padding:20px;box-shadow:var(--shadow-sm)}.vocab-review-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:11px}.vocab-review-head>div{display:flex;align-items:center;gap:10px}.vocab-review-head span{font-size:13px;font-weight:850;color:var(--accent)}.vocab-review-head b{font-size:12px;color:var(--muted)}.vocab-review-head>button{width:34px;height:34px;border:1px solid var(--line);border-radius:10px;background:var(--panel2);color:var(--text);font-size:21px;cursor:pointer}.vocab-review-track{height:6px;border-radius:99px;background:var(--panel2);overflow:hidden}.vocab-review-track i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--cyan));transition:width .25s ease}.vocab-review-card{position:relative;max-width:760px;margin:18px auto 2px;text-align:center;padding:26px 76px 24px;border:1px solid var(--line);border-radius:20px;background:var(--panel)}.vocab-review-sound{position:absolute;right:20px;top:20px;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:var(--panel2);color:var(--accent);cursor:pointer}.vocab-review-card>small{display:block;color:var(--muted);font-size:12px;margin-bottom:7px}.vocab-review-card h2{font-size:38px;letter-spacing:-.025em;margin:0}.vocab-review-card>p{color:var(--muted);font-size:14px;margin:5px 0 18px}.vocab-review-card blockquote{font-family:Georgia,serif;font-size:17px;line-height:1.65;color:var(--text2);margin:0 auto 20px;padding:14px 18px;border-left:3px solid var(--accent);border-radius:0 12px 12px 0;background:var(--panel2);text-align:left}.vocab-reveal{min-width:190px}.vocab-review-answer{margin:0 auto 18px;padding:16px;border-radius:14px;background:color-mix(in srgb,var(--accentSoft) 52%,var(--panel2));text-align:left}.vocab-review-answer b{display:block;font-size:12px;color:var(--accent);margin-bottom:5px}.vocab-review-answer p{font-size:16px;line-height:1.6;margin:0}.vocab-review-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.vocab-review-actions button{height:46px;border-radius:13px;font-size:14px;font-weight:800;cursor:pointer}.review-again{border:1px solid rgba(245,158,11,.4);background:rgba(245,158,11,.1);color:#d97706}.review-known{border:0;background:linear-gradient(135deg,#0d9488,#10b981);color:#fff}.vocab-actions button.active{border-color:rgba(16,185,129,.42);background:rgba(16,185,129,.12);color:#10b981}.mastery-pill.new{background:var(--accentSoft);color:var(--accent)}.mastery-pill.mastered{background:rgba(16,185,129,.12);color:#10b981}.vocab-list.grid-view{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.vocab-list.grid-view .vocab-row{grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:start}.vocab-list.grid-view .vocab-definition,.vocab-list.grid-view .vocab-context{grid-column:1/-1}.vocab-list.grid-view .vocab-actions{grid-column:2;grid-row:1}.vocab-list.grid-view .vocab-context{display:block}
@media(max-width:850px){.vocab-heading-actions{width:100%}.vocab-heading-actions button{flex:1;min-height:44px}.vocab-review-panel{padding:14px;border-radius:19px}.vocab-review-card{padding:25px 16px 18px}.vocab-review-sound{right:14px;top:14px}.vocab-review-card h2{font-size:32px}.vocab-review-card blockquote{font-size:15px}.vocab-list.grid-view{grid-template-columns:1fr}.vocab-list.grid-view .vocab-row{grid-template-columns:1fr auto}.vocab-toolbar .secondary.compact{display:flex}.vocab-stats small{font-size:11px}.vocab-stats article{padding:14px}}
@media(max-width:480px){.vocab-heading-actions{display:grid;grid-template-columns:1fr 1fr}.vocab-review-actions{grid-template-columns:1fr}.vocab-review-card{padding-top:62px}.vocab-review-card h2{font-size:30px}.vocab-stats{gap:8px}.vocab-stats article{align-items:flex-start}.vocab-stats .metric-icon{width:36px;height:36px;flex:0 0 36px}}