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button.selected{background:var(--color-gold)}.cloze-card .opt-grid button.correct{background:var(--color-green)}.cloze-card .opt-grid button.wrong{background:var(--color-coral);color:var(--color-cream)}.theme-card{background:var(--color-gold);border:2.5px solid var(--color-near-black);min-height:120px;box-shadow:var(--shadow-md);margin:14px 18px 10px;padding:18px;position:relative;overflow:hidden}.theme-card .emoji{background:var(--color-coral);border-left:2.5px solid var(--color-near-black);place-items:center;width:40%;font-size:60px;line-height:1;display:grid;position:absolute;top:0;bottom:0;right:0}.theme-card .meta{max-width:58%;position:relative}.theme-card .lab{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;opacity:.75;margin-bottom:6px;font-size:10px;font-weight:700}.theme-card .title{font-family:var(--font-display);font-size:22px;font-weight:700;line-height:1.05}.preview-list{grid-template-columns:1fr 1fr 1fr;gap:8px;padding:10px 18px;display:grid}.preview-list .ch{border:2px solid var(--color-near-black);background:var(--color-cream);text-align:center;padding:10px 4px}.preview-list .ch .ja{font-size:17px;font-weight:500;line-height:1.1}.preview-list .ch .en{opacity:.65;margin-top:4px;font-size:10px;font-weight:600}.complete-hero{text-align:center;padding:18px 20px 10px}.big-check{background:var(--color-green);border:3px solid var(--color-near-black);width:76px;height:76px;font-family:var(--font-display);box-shadow:var(--shadow-md);border-radius:50%;place-items:center;margin:0 auto 12px;font-size:46px;font-weight:700;display:grid}.complete-hero h2{font-size:22px}.complete-hero p{opacity:.75;margin-top:4px;font-size:12px}.complete-grid{grid-template-columns:1fr 1fr 1fr;gap:6px;padding:4px 18px 8px;display:grid}.complete-grid .tile{border:2px solid var(--color-near-black);background:var(--color-cream);text-align:center;padding:8px 4px;position:relative}.complete-grid .tile.gold{background:var(--color-gold)}.complete-grid .tile.coral{background:var(--color-coral);color:var(--color-cream)}.complete-grid .tile.sky{background:var(--color-sky)}.complete-grid .tile .check{font-size:11px;font-weight:700;position:absolute;top:2px;right:2px}.complete-grid .tile .ja{font-family:var(--font-jp);font-size:16px;font-weight:600}.complete-grid .tile .en{opacity:.8;margin-top:2px;font-size:9px;font-weight:600}.notice{border:2.5px dashed var(--color-near-black);background:var(--color-cream-2);margin:8px 18px 0;padding:10px 12px;font-size:12px;font-weight:700;line-height:1.3}.notice.song{background:var(--color-brand);color:var(--color-cream);border-style:solid}.notice.song .label-tag{background:var(--color-gold);color:var(--color-near-black);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;margin-right:6px;padding:2px 6px;font-size:9px;font-weight:700;display:inline-block}.hint-bar{background:var(--color-near-black);color:var(--color-cream);font-family:var(--font-mono);letter-spacing:.04em;text-align:center;margin:6px 18px;padding:6px 10px;font-size:10px;font-weight:700}.feedback{border:2.5px solid var(--color-near-black);margin:6px 18px;padding:10px 12px;font-size:13px;font-weight:700}.feedback.correct{background:var(--color-green)}.feedback.wrong{background:var(--color-coral);color:var(--color-cream)}.debug-overlay{z-index:100;background:#1a19168c;align-items:flex-end;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.debug-sheet{background:var(--color-cream);border-top:3px solid var(--color-near-black);border-left:2.5px solid var(--color-near-black);border-right:2.5px solid var(--color-near-black);width:100%;max-width:480px;padding:18px 18px calc(18px + env(safe-area-inset-bottom,0));box-shadow:0 -8px 0 var(--color-near-black);max-height:85vh;margin:0 auto;animation:.2s slideUp;overflow-y:auto}.debug-sheet h3{margin-bottom:6px;font-size:16px}.debug-sheet .info{opacity:.8;font-size:11px;line-height:1.5;font-family:var(--font-mono);background:var(--color-cream-2);border:2px solid var(--color-near-black);margin-bottom:12px;padding:10px}.debug-sheet .group{margin-bottom:14px}.debug-sheet .group-label{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;opacity:.7;margin-bottom:6px;font-size:10px;font-weight:700}.debug-sheet .group-row{flex-wrap:wrap;gap:6px;display:flex}.debug-sheet .group-row button{border:2px solid var(--color-near-black);background:var(--color-cream-2);font-size:12px;font-weight:700;font-family:var(--font-mono);min-height:38px;padding:8px 12px}.debug-sheet .group-row button.danger{background:var(--color-coral);color:var(--color-cream)}.debug-sheet .group-row button.brand{background:var(--color-brand);color:var(--color-cream)}.debug-sheet pre{background:var(--color-near-black);color:var(--color-gold);font-size:10px;font-family:var(--font-mono);border:2px solid var(--color-near-black);white-space:pre-wrap;word-break:break-word;max-height:240px;margin:4px 0 0;padding:12px;overflow:auto}.debug-sheet .close-btn{border:2px solid var(--color-near-black);background:var(--color-cream-2);width:36px;height:36px;font-family:var(--font-display);place-items:center;font-size:18px;font-weight:700;display:grid}.debug-sheet header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}