:root{--bg: #1a1a2e;--bg-card: #16213e;--bg-card-hover: #1c2a4a;--text: #e2e8f0;--text-muted: #94a3b8;--text-dim: #64748b;--border: #2d3a5c;--player-bg: #3d2c08;--player-text: #e9b44c;--host-bg: #1e293b;--host-text: #94a3b8;--yes: #4ade80;--no: #f87171;--irrelevant: #94a3b8;--unknown: #64748b;--cta: #e94560;--cta-hover: #d63d56;--badge-history: #3b82f6;--badge-author: #a855f7;--badge-other: #f59e0b;--easy: #4ade80;--medium: #f59e0b;--hard: #f87171;--radius: 12px;--radius-sm: 8px;--max-width: 720px;--font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif}@media(prefers-color-scheme:light){:root{--bg: #f1f5f9;--bg-card: #ffffff;--bg-card-hover: #f8fafc;--text: #1e293b;--text-muted: #475569;--text-dim: #94a3b8;--border: #e2e8f0;--player-bg: #fef3c7;--player-text: #92400e;--host-bg: #f1f5f9;--host-text: 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.filled{color:var(--hard)}.difficulty .empty{color:var(--text-dim)}.game{display:flex;flex-direction:column;min-height:100dvh}.game-header{position:sticky;top:0;z-index:10;background:var(--bg);border-bottom:1px solid var(--border);padding:12px 16px;display:flex;align-items:center;gap:12px}.back-btn{background:none;border:none;color:var(--text-muted);font-size:1.2rem;cursor:pointer;padding:8px;margin:-8px;min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:color .15s}.back-btn:hover{color:var(--text)}.game-title{font-size:1rem;font-weight:600;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.condition-section{padding:16px}.condition-card{background:var(--bg-card);border:1px solid 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fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}}.llm-badge{display:inline-block;font-size:.7rem;font-weight:700;padding:2px 8px;border-radius:999px;text-transform:uppercase;letter-spacing:.5px;flex-shrink:0}.llm-badge-ready{background:var(--yes);color:#000}.llm-badge-loading{background:var(--badge-other);color:#000}.llm-badge-fallback{background:var(--text-dim);color:#fff}.chat-bubble-loading{padding:12px 20px}.loading-dots{display:inline-flex;gap:4px;align-items:center}.loading-dots span{width:6px;height:6px;border-radius:50%;background:var(--host-text);animation:dotPulse 1.2s ease-in-out infinite}.loading-dots span:nth-child(2){animation-delay:.2s}.loading-dots span:nth-child(3){animation-delay:.4s}@keyframes 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.15s;min-height:36px}.filter-tab:hover{border-color:var(--text-dim);color:var(--text)}.filter-tab.active{background:var(--cta);border-color:var(--cta);color:#fff}.puzzle-group-header{font-size:.9rem;font-weight:600;color:var(--text-muted);margin:20px 0 8px;padding-left:2px}.puzzle-group-header:first-child{margin-top:0}.tutorial-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:24px;text-align:center}.tutorial-card h2{font-size:1.2rem;margin-bottom:8px}.tutorial-card p{color:var(--text-muted);font-size:.95rem;line-height:1.6}.tutorial-hint{margin-top:8px;font-size:.85rem!important;color:var(--text-dim)!important}.welcome-back{text-align:center;color:var(--text-muted);font-size:.95rem;margin-bottom:16px}.resume-btn{display:block;width:100%;max-width:360px;margin:0 auto 12px;padding:14px 24px;background:var(--bg-card);border:1px solid 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var(--yes);border-radius:var(--radius);padding:12px 16px}.facts-toggle{display:flex;align-items:center;justify-content:space-between;cursor:pointer;background:none;border:none;color:var(--text);font:inherit;width:100%;text-align:left;padding:0;gap:8px}.facts-toggle-label{font-weight:600;font-size:.85rem;color:var(--yes)}.facts-card.collapsed .facts-list{display:none}.facts-card.collapsed .condition-toggle-arrow{transform:rotate(-90deg)}.facts-list{list-style:none;margin-top:8px;display:flex;flex-direction:column;gap:4px}.facts-list li{font-size:.85rem;color:var(--text-muted);padding:4px 0;border-bottom:1px solid var(--border)}.facts-list li:last-child{border-bottom:none}.guess-section{margin-top:8px}.guess-input-field{width:100%;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font:inherit;font-size:.95rem;outline:none;transition:border-color 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.15s;min-height:44px}.guess-btn:hover{background:var(--yes);color:#000}.hint-btn{display:block;width:100%;margin-top:8px;padding:10px;background:none;border:1px solid var(--badge-other);border-radius:var(--radius-sm);color:var(--badge-other);font:inherit;font-size:.9rem;cursor:pointer;transition:all .15s;min-height:44px}.hint-btn:hover{background:var(--badge-other);color:#000}.hint-btn:disabled{opacity:.4;cursor:not-allowed}.hints-display{padding:0 16px;margin-bottom:8px}.hint-card{background:var(--bg-card);border:1px solid var(--badge-other);border-left:3px solid var(--badge-other);border-radius:var(--radius);padding:12px 16px;margin-bottom:8px}.hint-label{font-size:.75rem;font-weight:600;color:var(--badge-other);margin-bottom:4px}.hint-text{font-size:.9rem;color:var(--text-muted);line-height:1.5}.stars{display:inline-flex;gap:4px;font-size:1.3rem}.star-filled{color:var(--badge-other)}.star-empty{color:var(--text-dim)}.answer-solved{color:var(--yes)!important}.answer-gave-up{color:var(--text-muted)}.answer-detail-stats{display:flex;flex-direction:column;gap:4px;margin-top:12px;font-size:.85rem;color:var(--text-dim)}.llm-banner{position:relative;background:var(--bg-card);border-bottom:1px solid var(--border);padding:8px 40px 8px 16px;font-size:.8rem;color:var(--text-muted);overflow:hidden}.llm-banner-bar{position:absolute;top:0;left:0;height:3px;background:var(--cta);transition:width .3s ease}.llm-banner-text{position:relative;z-index:1}.llm-banner-dismiss{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-dim);font-size:1.1rem;cursor:pointer;padding:4px 8px;line-height:1}.llm-banner-dismiss:hover{color:var(--text)}.give-up-btn.confirming{border-color:var(--no);color:var(--no);font-weight:600}.llm-ready-toast{position:fixed;top:60px;left:50%;transform:translate(-50%);background:var(--yes);color:#000;padding:8px 20px;border-radius:999px;font-size:.85rem;font-weight:600;z-index:50;animation:toastIn .3s ease,toastOut .3s ease 2s forwards;pointer-events:none}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(-10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@keyframes toastOut{0%{opacity:1}to{opacity:0}}