:root{--bg-deep: #050a14;--bg-dark: #0a1020;--bg-card: #0d1a2e;--amber: #d4a84b;--amber-glow: #f0c06040;--amber-bright: #f5d078;--teal: #4aeadc;--teal-glow: #4aeadc30;--teal-dark: #1a8c84;--violet: #9b7fe8;--violet-glow: #9b7fe830;--text-primary: #e8dcc8;--text-secondary: #8a9bb0;--text-muted: #4a5a70;--border-amber: #d4a84b40;--border-teal: #4aeadc30;--error: #e84855;--error-glow: #e8485530;--success: #52d98a}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:Noto Sans SC,sans-serif;background-color:var(--bg-deep);color:var(--text-primary);min-height:100vh;overflow-x:hidden}#root{min-height:100vh;display:flex;flex-direction:column}.starfield{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none;background:radial-gradient(ellipse at 20% 10%,#1a2a5080 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,#0d2030a0 0%,transparent 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SC",serif;font-size:16px;font-weight:600;color:var(--text-primary);text-align:center}.chapter-levels{font-size:12px;color:var(--text-secondary);text-align:center}.level-select{padding:32px;flex:1;display:flex;flex-direction:column;align-items:center;gap:24px}.level-back{align-self:flex-start;background:none;border:1px solid var(--border-amber);color:var(--amber);padding:8px 20px;border-radius:6px;cursor:pointer;font-family:Noto Sans SC,sans-serif;font-size:13px;letter-spacing:1px;transition:all .2s}.level-back:hover{background:var(--amber-glow)}.level-chapter-title{font-family:"Noto Serif SC",serif;font-size:22px;font-weight:600;color:var(--amber);letter-spacing:4px}.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:500px;width:100%}.level-card{background:var(--bg-card);border:1px solid var(--border-amber);border-radius:10px;padding:20px;cursor:pointer;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;gap:6px}.level-card:hover{border-color:var(--amber);box-shadow:0 0 16px var(--amber-glow);transform:translateY(-2px)}.level-card.completed{border-color:var(--teal-dark)}.level-card.completed:hover{border-color:var(--teal);box-shadow:0 0 16px var(--teal-glow)}.level-num{font-size:32px;font-weight:700;color:var(--amber);line-height:1}.level-card.completed .level-num{color:var(--teal)}.level-title{font-family:"Noto Serif SC",serif;font-size:14px;color:var(--text-primary);text-align:center}.game{flex:1;display:flex;flex-direction:column;padding:0 32px 32px;gap:24px}.game-header{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--border-teal)}.game-back{background:none;border:1px solid var(--border-amber);color:var(--amber);padding:6px 16px;border-radius:6px;cursor:pointer;font-family:Noto Sans SC,sans-serif;font-size:12px;letter-spacing:1px;transition:all .2s}.game-back:hover{background:var(--amber-glow)}.game-info{flex:1;display:flex;flex-direction:column;gap:2px}.game-chapter-label{font-size:11px;color:var(--text-muted);letter-spacing:2px}.game-level-title{font-family:"Noto Serif SC",serif;font-size:18px;font-weight:600;color:var(--amber)}.game-hint-btn{background:none;border:1px solid var(--border-teal);color:var(--teal);padding:6px 14px;border-radius:6px;cursor:pointer;font-family:Noto Sans SC,sans-serif;font-size:12px;transition:all .2s}.game-hint-btn:hover{background:var(--teal-glow)}.hint-box{background:linear-gradient(90deg,#0d1a2e,#0a1525);border:1px solid var(--teal-dark);border-radius:8px;padding:14px 20px;font-size:13px;color:var(--teal);line-height:1.7;box-shadow:0 0 20px var(--teal-glow)}.timeline-section{background:linear-gradient(180deg,#0a1525 0%,transparent 100%);border:1px solid var(--border-teal);border-radius:16px;padding:24px}.timeline-label{font-family:"Noto Serif 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solid var(--border-amber);border-radius:10px;padding:12px 16px;cursor:pointer;transition:all .2s ease;display:flex;flex-direction:column;align-items:center;gap:4px;min-width:130px}.artifact-card:hover{border-color:var(--amber-bright);box-shadow:0 0 16px var(--amber-glow);transform:translateY(-2px)}.artifact-card.placed{opacity:.35;cursor:not-allowed;pointer-events:none}.artifact-name{font-family:"Noto Serif SC",serif;font-size:14px;font-weight:600;color:var(--amber);text-align:center}.artifact-year{font-size:11px;color:var(--text-secondary)}.artifact-desc{font-size:11px;color:var(--text-muted);text-align:center;max-width:130px;line-height:1.4}.contradiction-banner{background:linear-gradient(90deg,#1a0808,#200a0a);border:1px solid var(--error);border-radius:8px;padding:12px 20px;font-size:13px;color:var(--error);text-align:center;box-shadow:0 0 20px var(--error-glow);animation:shake .4s ease}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-4px)}40%{transform:translate(4px)}60%{transform:translate(-3px)}80%{transform:translate(3px)}}.level-complete{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#050a14e0;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:fadeIn .4s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.level-complete-card{background:linear-gradient(145deg,#0d1a2e,#081525);border:2px solid var(--amber);border-radius:20px;padding:48px 64px;text-align:center;box-shadow:0 0 60px var(--amber-glow);animation:scaleIn .4s ease;max-width:90vw}@keyframes scaleIn{0%{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}.level-complete-title{font-family:"Noto Serif SC",serif;font-size:28px;font-weight:700;color:var(--amber);text-shadow:0 0 30px var(--amber-glow);margin-bottom:8px;letter-spacing:6px}.level-complete-sub{font-size:14px;color:var(--text-secondary);margin-bottom:32px}.level-complete-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.btn-primary{background:linear-gradient(145deg,var(--amber) 0%,#b8923e 100%);border:none;color:#050a14;padding:12px 32px;border-radius:8px;cursor:pointer;font-family:Noto Sans SC,sans-serif;font-size:14px;font-weight:500;letter-spacing:1px;transition:all .2s}.btn-primary:hover{box-shadow:0 0 20px var(--amber-glow);transform:translateY(-1px)}.btn-secondary{background:none;border:1px solid var(--border-amber);color:var(--amber);padding:12px 32px;border-radius:8px;cursor:pointer;font-family:Noto Sans SC,sans-serif;font-size:14px;letter-spacing:1px;transition:all .2s}.btn-secondary:hover{background:var(--amber-glow)}.stars-display{font-size:28px;margin:16px 0;letter-spacing:4px}.star-filled{color:var(--amber);text-shadow:0 0 10px var(--amber-glow)}.star-empty{color:var(--text-muted)}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-amber);border-radius:2px}::-webkit-scrollbar-thumb:hover{background:var(--amber)}@media(max-width:600px){.chapter-grid{grid-template-columns:repeat(3,1fr)}.level-grid{grid-template-columns:repeat(2,1fr)}.header{padding:16px}.game{padding:0 16px 24px}.chapter-select,.level-select{padding:24px 16px}.timeline-slot{width:100px;min-width:100px}.artifact-card{min-width:110px}.level-complete-card{padding:32px 24px}}