.layout{grid-template-columns:1fr 1fr 1fr;gap:24px;max-width:1400px;margin:0 auto;padding:32px 40px;display:grid}.source-panel{border:1px solid var(--line);background:#fff;border-radius:20px;grid-column:1/-1;grid-template-columns:minmax(220px,.8fr) minmax(360px,1.5fr) auto;align-items:start;gap:14px;padding:24px 28px;display:grid}.source-panel .panel-sub{margin-bottom:0}.source-controls{grid-column:2/4;gap:8px;display:flex}.source-controls input{border:1px solid var(--line);min-width:0;font:inherit;border-radius:12px;flex:1;padding:11px 14px}.source-button{border:1px solid var(--line);color:var(--ink-soft);cursor:pointer;font:inherit;white-space:nowrap;background:#fff;border-radius:100px;padding:10px 16px}.source-upload{cursor:pointer;white-space:nowrap;align-items:center;display:inline-flex}.source-upload.disabled{opacity:.55;cursor:wait;pointer-events:none}.source-upload input{display:none}.transcript-input{resize:vertical;border:1px dashed var(--line);min-height:82px;font:inherit;border-radius:12px;grid-column:1/3;padding:12px 14px;line-height:1.6}.source-message{color:var(--ink-soft);background:var(--bg-paper);border-radius:8px;grid-column:1/-1;padding:9px 12px;font-size:12px}.material-library{border-top:1px dashed var(--line);grid-column:1/-1;padding-top:14px}.material-library-head{justify-content:space-between;align-items:center;margin-bottom:10px;font-size:13px;display:flex}.material-library-head span,.material-empty{color:var(--ink-soft);font-size:12px}.material-list{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.material-list button{text-align:left;border:1px solid var(--line);background:var(--bg-paper);min-width:0;color:var(--ink);font:inherit;cursor:pointer;border-radius:10px;grid-template-columns:auto minmax(0,1fr);gap:3px 8px;padding:10px 12px;display:grid}.material-list button:hover{border-color:var(--accent)}.material-title{text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:600;overflow:hidden}.material-meta{color:var(--ink-soft);grid-column:2;font-size:10px}.panel{border:1px solid var(--line);background:#fff;border-radius:20px;min-height:600px;padding:28px}.panel-title{letter-spacing:-.01em;margin-bottom:4px;font-family:Fraunces,Georgia,serif;font-size:20px;font-weight:500}.panel-sub{color:var(--ink-soft);margin-bottom:24px;font-size:13px}.player-meta{background:var(--bg-soft);border-radius:12px;justify-content:space-between;margin-bottom:20px;padding:14px 16px;font-size:13px;display:flex}.player-meta strong{font-family:Fraunces,Georgia,serif;font-size:14px;font-weight:500}.player-cover{background:linear-gradient(135deg, #ffb088 0%, var(--accent) 100%);aspect-ratio:16/9;color:#fff;border-radius:14px;justify-content:center;align-items:center;margin-bottom:16px;font-family:Fraunces,Georgia,serif;font-size:32px;font-weight:500;display:flex}.player-cover video{object-fit:contain;background:#111;border-radius:14px;width:100%;height:100%}.player-cover audio{width:88%}.player-cover iframe{background:#111;border:0;border-radius:14px;width:100%;height:100%;min-height:260px}.progress-row{color:var(--ink-soft);justify-content:space-between;margin-top:12px;margin-bottom:8px;font-family:JetBrains Mono,monospace;font-size:12px;display:flex}.progress-track{background:var(--line);cursor:pointer;border-radius:3px;height:6px;position:relative}.progress-range{width:100%;accent-color:var(--accent);cursor:pointer}.progress-range:disabled{opacity:.45;cursor:not-allowed}.progress-fill{background:var(--accent);border-radius:3px;width:42%;position:absolute;top:0;bottom:0;left:0}.progress-handle{border:2px solid var(--accent);background:#fff;border-radius:50%;width:14px;height:14px;position:absolute;top:50%;left:42%;transform:translate(-50%,-50%)}.player-actions{justify-content:center;gap:12px;margin-top:24px;display:flex}.play-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;font-size:20px;transition:background .2s;display:flex}.play-btn:hover{background:var(--accent-deep)}.play-btn:disabled{opacity:.65;cursor:wait}.ctrl-btn{width:40px;height:40px;color:var(--ink-soft);border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:50%;justify-content:center;align-items:center;font-size:14px;display:flex}.transcript{border-top:1px dashed var(--line);max-height:280px;color:var(--ink-soft);margin-top:24px;padding-top:20px;font-size:14px;line-height:1.8;overflow-y:auto}.transcript p{cursor:pointer;border-radius:4px;margin-bottom:8px;padding:2px 6px}.transcript p:hover{background:var(--bg-soft)}.transcript .active{color:var(--ink);background:#e85d2c1f;font-weight:500}.segment-time{color:var(--accent);margin-right:8px;font-family:JetBrains Mono,monospace;font-size:10px}.dictate-area{border:1px dashed var(--line);width:100%;min-height:240px;color:var(--ink);resize:vertical;background:#fcfaf6;border-radius:14px;outline:none;padding:18px;font-family:JetBrains Mono,monospace;font-size:14.5px;line-height:1.9;transition:border-color .2s}.dictate-area:focus{border-color:var(--accent);border-style:solid}.dictate-stats{background:var(--bg-soft);border-radius:12px;gap:16px;margin-top:16px;padding:14px 16px;font-size:13px;display:flex}.ds-item{flex:1}.ds-label{color:var(--ink-soft);margin-bottom:4px;font-size:12px}.ds-value{font-family:Fraunces,Georgia,serif;font-size:22px;font-weight:600}.ds-value.good{color:var(--green)}.ds-value.warn{color:var(--accent)}.dictate-actions{gap:10px;margin-top:16px;display:flex}.word-diff{background:var(--bg-paper);border-radius:12px;margin-top:14px;padding:14px;line-height:2.15}.word-diff span{border-radius:5px;margin:2px 4px 2px 0;padding:1px 6px;font-family:JetBrains Mono,monospace;font-size:12px;display:inline-block}.diff-correct{color:var(--green);background:#2d6a4f1a}.diff-wrong{color:var(--red);background:#c1121f1a;text-decoration:line-through}.diff-missing{color:#8a5a00;background:#fff1bd;border-bottom:2px solid #d99a00}.diff-extra{color:#6b4aa5;background:#efe7ff}.score-suggestion,.spoken-text,.missed-sentences{background:var(--bg-soft);color:var(--ink-soft);border-radius:10px;margin-top:12px;padding:12px 14px;font-size:13px;line-height:1.6}.speak-area{text-align:center;background:linear-gradient(180deg, var(--bg-soft) 0%, transparent 100%);border-radius:14px;margin-bottom:20px;padding:30px 20px}.mic-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin:0 auto;font-size:28px;transition:transform .15s;display:flex;box-shadow:0 8px 24px #e85d2c4d}.mic-btn:hover{transform:scale(1.05)}.speak-status{color:var(--ink-soft);margin-top:14px;font-size:14px}.speak-status strong{color:var(--accent);font-family:JetBrains Mono,monospace}.speak-result{border:1px solid var(--line);background:#fff;border-radius:12px;margin-top:20px;padding:16px}.sr-row{justify-content:space-between;align-items:center;padding:8px 0;font-size:13.5px;display:flex}.sr-row+.sr-row{border-top:1px dashed var(--line)}.sr-score{font-family:Fraunces,Georgia,serif;font-size:18px;font-weight:600}.sr-score.good{color:var(--green)}.sr-score.warn{color:var(--accent)}.vocab-section{border-top:1px dashed var(--line);margin-top:28px;padding-top:24px}.vocab-section h4{margin-bottom:14px;font-family:Fraunces,Georgia,serif;font-size:16px;font-weight:500}.vocab-card{background:var(--bg-soft);cursor:pointer;text-align:left;border:none;border-radius:10px;width:100%;margin-bottom:8px;padding:12px 14px;font-family:inherit;transition:background .2s}.vocab-empty{border:1px dashed var(--line);width:100%;color:var(--ink-soft);cursor:pointer;background:0 0;border-radius:10px;padding:14px}.phonetic{margin-right:8px;font-family:JetBrains 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.coverage-status{color:#1f6849;background:#dff3e8}.coverage-inaccurate .coverage-status{color:#8a5a00;background:#fff1bd}.coverage-missed .coverage-status{color:#a11926;background:#ffe1e4}.coverage-item b,.coverage-item small{display:block}.coverage-item b{font-size:13px;line-height:1.5}.coverage-item small{color:var(--ink-soft);margin-top:4px;line-height:1.4}@media (max-width:1100px){.layout{grid-template-columns:1fr;padding:24px}.source-panel{grid-template-columns:1fr}.source-controls,.transcript-input,.source-message,.material-library{grid-column:1}.source-controls{flex-wrap:wrap}.material-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.layout{padding:16px 12px}.material-list{grid-template-columns:1fr}}