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var(--red)}.qr-review-icon{font-size:1rem;flex-shrink:0}.qr-review-body{flex:1;min-width:0}.qr-review-q{font-size:.85rem;color:var(--text);margin-bottom:4px}.qr-review-answer{font-family:DM Mono,monospace;font-size:.75rem;color:var(--muted)}.qr-actions{display:flex;flex-direction:column;gap:8px;max-width:360px;margin:0 auto}.qr-btn{width:100%;padding:16px;border-radius:12px;font-family:Inter,sans-serif;font-size:1rem;font-weight:600;cursor:pointer;transition:all .15s;-webkit-tap-highlight-color:transparent}.qr-btn.primary{background:linear-gradient(135deg,var(--accent),#ffb700);border:none;color:var(--bg)}.qr-btn.primary:hover{transform:translateY(-1px);box-shadow:0 4px 20px var(--glow-accent)}.qr-btn.secondary{background:var(--surface);border:1px solid var(--border);color:var(--muted)}.qr-btn.secondary:hover{color:var(--text);border-color:var(--muted)}.story-player{position:relative;min-height:70vh}.story-header{text-align:center;margin-bottom:32px}.story-chapter{font-size:.7rem;text-transform:uppercase;letter-spacing:.15em;color:var(--muted);margin-bottom:4px}.story-title{font-family:Playfair Display,serif;font-size:1.6rem;font-weight:900;color:var(--accent);text-shadow:0 0 30px var(--glow-accent)}.story-progress-dots{display:flex;justify-content:center;gap:4px;margin-top:16px;flex-wrap:wrap}.story-dot{width:6px;height:6px;border-radius:50%;background:var(--border);transition:all .3s}.story-dot.active{background:var(--accent2)}.story-dot.current{background:var(--accent);transform:scale(1.4)}.story-scene{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:32px 28px}.story-bg-icon{font-size:1.5rem;margin-bottom:8px}.story-speaker{font-family:DM Mono,monospace;font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent2);margin-bottom:10px}.story-text{font-size:1.1rem;line-height:1.9;color:var(--text);margin-bottom:24px}.story-text.dialogue{font-style:italic;border-left:3px solid var(--accent2);padding-left:16px}.story-cursor{animation:blink .8s step-end infinite;color:var(--accent)}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.story-choices{margin-top:16px}.story-choice-prompt{font-size:.85rem;color:var(--muted);margin-bottom:10px;font-style:italic}.story-choice-btn{display:block;width:100%;padding:14px 18px;margin-bottom:8px;background:var(--surface2);border:1px solid var(--accent2);border-radius:10px;color:var(--text);font-family:Inter,sans-serif;font-size:.95rem;cursor:pointer;text-align:left;transition:all 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tooltipIn{0%{opacity:0;transform:translate(-50%) translateY(4px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.vocab-tooltip-word{display:block;font-weight:700;color:var(--accent);font-size:.9rem;margin-bottom:4px}.vocab-tooltip-def{display:block;font-size:.82rem;color:var(--text);line-height:1.5}@media(max-width:700px){.cm-title{font-size:1.4rem}.cm-section-label{font-size:1.1rem}.unit-header{padding:12px 14px;gap:10px}.unit-title{font-size:.9rem}.unit-desc{font-size:.72rem}.unit-lessons{padding:0 14px 12px}.unit-lesson-btn{padding:10px 12px;font-size:.85rem}.cm-story-node{padding:12px 14px;gap:10px}.cm-story-title{font-size:.85rem}.concept-card{padding:20px 16px;border-radius:16px}.cc-title{font-size:1.5rem}.cc-rule-heading{font-size:1.1rem}.cc-rule-text,.cc-tip-text{font-size:.9rem}.concept-nav-btn{padding:14px;font-size:.9rem}.story-scene{padding:20px 16px;border-radius:16px}.story-title{font-size:1.3rem}.story-text{font-size:1rem;line-height:1.8}.qr-title{font-size:1.5rem}.qr-score,.qr-icon{font-size:3rem}.vocab-tooltip{position:fixed;bottom:auto;top:50%;left:50%;transform:translate(-50%,-50%);min-width:260px}}.theme-toggle{background:var(--surface);border:1px solid var(--border);border-radius:100px;padding:5px 10px;color:var(--muted);font-size:.85rem;cursor:pointer;display:flex;align-items:center;gap:4px;transition:border-color .2s,color .2s;-webkit-tap-highlight-color:transparent}.theme-toggle:hover{border-color:var(--accent);color:var(--text)}[data-theme=light] .tab-btn.active{box-shadow:0 2px 8px var(--shadow)}[data-theme=light] .question-card{box-shadow:0 1px 4px var(--shadow)}[data-theme=light] .login-overlay{background:#0000004d}[data-theme=light] .login-card{box-shadow:0 8px 40px #00000026}[data-theme=light] .next-btn{box-shadow:0 4px 16px #00000026}[data-theme=light] .unit-node,[data-theme=light] .stat-card,[data-theme=light] .sbar-item,[data-theme=light] .lb-row,[data-theme=light] .history-item{box-shadow:0 1px 3px var(--shadow)}[data-theme=light] .combo-flash,[data-theme=light] .points-popup{text-shadow:0 4px 24px rgba(0,0,0,.15)}[data-theme=light] .vocab-tooltip{box-shadow:0 8px 24px #0000001f}[data-theme=light] body:before{opacity:.06}@media(max-width:700px){[data-theme=light] .next-btn{box-shadow:0 -2px 12px #0000001a,0 4px 12px #0000001a}}