:root{--bg-dark: #0f111a;--bg-card: #161925;--bg-input: #1e2235;--border-color: #2b304a;--text-main: #f3f4f6;--text-muted: #9ca3af;--neon-cyan: #00f0ff;--neon-orange: #ff9f1c;--neon-gold: #ffd700;--neon-green: #39ff14;--neon-red: #ff3860}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-dark);color:var(--text-main);overflow-x:hidden}.game-container{display:flex;flex-direction:column;height:100vh;max-width:1400px;margin:0 auto;padding:0 16px;box-sizing:border-box}.game-header{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--border-color);height:70px;box-sizing:border-box}.header-left{display:flex;align-items:center;gap:10px}.logo-icon{width:28px;height:28px;filter:drop-shadow(0 0 8px var(--neon-gold))}.game-title{font-size:20px;font-weight:800;letter-spacing:1px;background:linear-gradient(90deg,#fff,var(--neon-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin:0}.badge-beta{font-size:10px;background-color:#00f0ff1a;color:var(--neon-cyan);border:1px solid rgba(0,240,255,.3);padding:2px 6px;border-radius:4px;font-weight:700}.header-right{display:flex;align-items:center;gap:12px}.timer-box{display:flex;align-items:center;gap:8px;background-color:#00f0ff0d;border:1px solid rgba(0,240,255,.2);padding:6px 14px;border-radius:8px}.timer-text{font-family:Courier New,Courier,monospace;font-size:16px;font-weight:700;color:var(--neon-cyan);text-shadow:0 0 5px rgba(0,240,255,.5)}.btn-level-select{display:flex;align-items:center;gap:8px;background-color:var(--bg-card);border:1px solid var(--border-color);color:var(--text-main);padding:8px 16px;border-radius:8px;cursor:pointer;font-weight:500;transition:all .2s}.btn-level-select:hover{border-color:var(--neon-cyan);box-shadow:0 0 10px #00f0ff33}.game-main{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;flex:1;padding:16px 0;height:calc(100vh - 90px);min-height:0;box-sizing:border-box}.left-panel{display:flex;flex-direction:column;height:100%;min-height:0}.case-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:24px;display:flex;flex-direction:column;height:100%;box-sizing:border-box;box-shadow:0 8px 32px #0000004d}.case-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.case-number{font-size:12px;font-weight:700;color:var(--neon-cyan);letter-spacing:2px}.difficulty-stars{display:flex;gap:4px}.case-title{font-size:24px;font-weight:800;margin:0 0 16px;color:#fff}.case-riddle-container{background-color:#ffffff05;border-left:4px solid var(--neon-cyan);padding:16px;border-radius:4px 12px 12px 4px;margin-bottom:24px}.case-riddle{font-size:16px;line-height:1.6;color:#e5e7eb;margin:0}.hints-section{flex:1;display:flex;flex-direction:column;margin-bottom:20px;min-height:0}.hints-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.hints-title{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--neon-orange)}.hints-tip{font-size:11px;color:var(--text-muted)}.hints-grid{display:flex;flex-direction:column;gap:10px;overflow-y:auto;padding-right:4px}.hint-item{border-radius:10px;padding:12px 16px;cursor:pointer;transition:all .2s;border:1px dashed var(--border-color)}.hint-item.locked{background-color:#ff9f1c08;border-color:#ff9f1c33;color:var(--neon-orange)}.hint-item.locked:hover{background-color:#ff9f1c14;border-color:#ff9f1c66}.hint-item.revealed{background-color:#ffffff08;border:1px solid var(--border-color);cursor:default}.hint-item.disabled{opacity:.5;cursor:not-allowed}.hint-placeholder{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600}.hint-text{font-size:13px;line-height:1.5;color:#d1d5db;margin:0}.action-buttons{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:auto}.btn-gray{display:flex;align-items:center;justify-content:center;gap:8px;background-color:#ffffff0d;border:1px solid var(--border-color);color:var(--text-muted);padding:12px;border-radius:10px;cursor:pointer;font-weight:500;transition:all .2s}.btn-gray:hover:not(:disabled){background-color:#ffffff1a;color:#fff;border-color:#4b5563}.btn-gray:disabled{opacity:.4;cursor:not-allowed}.right-panel{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;display:flex;flex-direction:column;height:100%;min-height:0;overflow:hidden;box-shadow:0 8px 32px #0000004d}.tabs-header{display:flex;border-bottom:1px solid var(--border-color);background-color:#00000026}.tab-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:16px;background:none;border:none;color:var(--text-muted);cursor:pointer;font-weight:600;font-size:14px;transition:all .2s;border-bottom:2px solid transparent}.tab-btn:hover{color:#fff}.tab-btn.active{color:var(--neon-cyan);border-bottom-color:var(--neon-cyan);background-color:#00f0ff05}.tab-content{flex:1;display:flex;flex-direction:column;min-height:0}.ask-tab-pane{display:flex;flex-direction:column;height:100%;min-height:0}.clue-wall{background-color:#0003;border-bottom:1px solid var(--border-color);padding:12px 16px}.clue-wall-header{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--neon-gold);margin-bottom:8px}.clue-wall-list{display:flex;flex-wrap:wrap;gap:8px;max-height:75px;overflow-y:auto}.clue-wall-empty{font-size:11px;color:var(--text-muted);font-style:italic}.clue-tag{font-size:11px;background-color:#ffd70014;border:1px solid rgba(255,215,0,.25);color:#ffe066;padding:4px 8px;border-radius:6px;display:inline-flex;align-items:center}.chat-history{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;min-height:0}.chat-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;margin:auto}.chat-list{display:flex;flex-direction:column;gap:16px}.chat-bubble-group{display:flex;flex-direction:column;gap:8px}.chat-bubble{display:flex;gap:10px;padding:12px;border-radius:10px;max-width:90%;font-size:13.5px;line-height:1.5}.chat-bubble.user{align-self:flex-end;background-color:var(--bg-input);border:1px solid var(--border-color);border-bottom-right-radius:2px}.chat-bubble.ai{align-self:flex-start;background-color:#ffffff08;border:1px solid var(--border-color);border-bottom-left-radius:2px}.chat-bubble.ai.ans-yes{border-color:#39ff144d;background-color:#39ff1408;color:#a3e635;box-shadow:0 0 8px #39ff140d}.chat-bubble.ai.ans-no{border-color:#ff38604d;background-color:#ff386008;color:#f87171;box-shadow:0 0 8px #ff38600d}.bubble-label{font-size:10px;font-weight:700;padding:2px 6px;border-radius:4px;height:fit-content}.user .bubble-label{background-color:#00f0ff26;color:var(--neon-cyan)}.ai .bubble-label{background-color:#ffffff1a;color:var(--text-muted)}.bubble-text{margin:0;white-space:pre-wrap;word-break:break-all}.quick-questions-container{padding:10px 16px;border-top:1px solid var(--border-color);background-color:#0000001a}.quick-title{font-size:11px;color:var(--text-muted);display:block;margin-bottom:6px}.quick-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}.quick-list::-webkit-scrollbar{height:4px}.quick-list::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:2px}.quick-btn{white-space:nowrap;background-color:#ffffff0a;border:1px solid var(--border-color);color:var(--text-main);padding:6px 12px;border-radius:20px;font-size:11px;cursor:pointer;transition:all .2s}.quick-btn:hover{background-color:#00f0ff14;border-color:var(--neon-cyan);color:var(--neon-cyan)}.chat-input-area{display:flex;gap:10px;padding:16px;border-top:1px solid var(--border-color);background-color:#00000026}.chat-input-area input{flex:1;background-color:var(--bg-input);border:1px solid var(--border-color);color:#fff;padding:12px 16px;border-radius:10px;font-size:13.5px;outline:none;transition:all .2s}.chat-input-area input:focus{border-color:var(--neon-cyan);box-shadow:0 0 8px #00f0ff33}.btn-send{background-color:var(--neon-cyan);color:#000;border:none;padding:12px 18px;border-radius:10px;cursor:pointer;font-weight:700;transition:all .2s}.btn-send:hover:not(:disabled){opacity:.9;box-shadow:0 0 12px #00f0ff66}.btn-send:disabled{background-color:var(--border-color);color:var(--text-muted);cursor:not-allowed}.solve-tab-pane{padding:20px;display:flex;flex-direction:column;gap:16px;overflow-y:auto;height:100%}.solve-instructions{display:flex;gap:12px;background-color:#ffd70008;border:1px solid rgba(255,215,0,.15);padding:14px;border-radius:10px}.btn-import-clues{display:flex;align-items:center;justify-content:center;gap:6px;background-color:#ffd7000d;border:1px dashed rgba(255,215,0,.3);color:var(--neon-gold);padding:8px;border-radius:8px;font-size:12px;cursor:pointer;transition:all .2s}.btn-import-clues:hover{background-color:#ffd7001a;border-color:var(--neon-gold)}.solve-form{display:flex;flex-direction:column;gap:14px}.solve-form textarea{background-color:var(--bg-input);border:1px solid var(--border-color);color:#fff;padding:16px;border-radius:12px;font-size:14px;line-height:1.6;min-height:150px;resize:none;outline:none;transition:all .2s}.solve-form textarea:focus{border-color:var(--neon-gold);box-shadow:0 0 8px #ffd70033}.btn-submit-deduction{background:linear-gradient(90deg,var(--neon-gold),#ffb800);color:#000;border:none;padding:14px;border-radius:10px;font-weight:700;font-size:15px;cursor:pointer;transition:all .2s}.btn-submit-deduction:hover:not(:disabled){box-shadow:0 0 15px #ffd70066;transform:translateY(-1px)}.btn-submit-deduction:disabled{background:var(--border-color);color:var(--text-muted);cursor:not-allowed}.feedback-card{border-radius:12px;padding:16px;border:1px solid transparent}.feedback-card.success{background-color:#39ff1408;border-color:#39ff1433}.feedback-card.fail{background-color:#ff386008;border-color:#ff386033}.feedback-header{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:14px}.feedback-msg{font-size:13px;line-height:1.6;color:#d1d5db;margin:0}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal-content{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:20px;width:100%;box-shadow:0 20px 50px #00000080;box-sizing:border-box}.level-select-modal{max-width:800px;padding:24px}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;border-bottom:1px solid var(--border-color);padding-bottom:14px}.modal-title{font-size:18px;font-weight:800;color:#fff;margin:0}.btn-close{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:50%;transition:all .2s}.btn-close:hover{background-color:#ffffff0d;color:#fff}.level-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;max-height:60vh;overflow-y:auto;padding-right:4px}.level-card{background-color:#ffffff05;border:1px solid var(--border-color);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:12px;transition:all .2s;cursor:default}.level-card.unlocked{cursor:pointer}.level-card.unlocked:hover{border-color:var(--neon-cyan);background-color:#00f0ff05;transform:translateY(-2px)}.level-card.current{border-color:var(--neon-cyan);box-shadow:0 0 10px #00f0ff33}.level-card.locked{opacity:.5}.level-card-header{display:flex;justify-content:space-between;align-items:center}.level-idx{font-size:11px;font-weight:700;color:var(--neon-cyan)}.level-stars{display:flex;gap:2px}.level-card-title{font-size:15px;font-weight:700;color:#fff;margin:0}.level-card-footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto;font-size:11px}.diff-badge{color:var(--neon-gold)}.success-modal{max-width:550px;padding:32px;text-align:center;border-color:var(--neon-gold);box-shadow:0 0 30px #ffd70026}.success-icon-wrapper{display:inline-flex;padding:16px;background-color:#ffd7000d;border-radius:50%;margin-bottom:16px}.success-title{font-size:26px;font-weight:900;color:var(--neon-gold);margin:0 0 6px}.success-subtitle{font-size:14px;color:var(--text-muted);margin:0 0 24px}.stats-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px}.stat-box{background-color:#ffffff05;border:1px solid var(--border-color);border-radius:10px;padding:12px 6px;display:flex;flex-direction:column;gap:4px}.stat-label{font-size:11px;color:var(--text-muted)}.stat-value{font-size:15px;font-weight:700}.stars-row{display:flex;justify-content:center;gap:2px}.truth-reveal{background-color:#0003;border:1px solid var(--border-color);border-radius:12px;padding:16px;text-align:left;margin-bottom:24px}.truth-title{font-size:13px;font-weight:700;color:var(--neon-cyan);margin:0 0 8px}.truth-text{font-size:13px;line-height:1.6;color:#d1d5db;margin:0}.success-actions{display:flex;gap:12px}.success-actions button{flex:1}.btn-gold{background:linear-gradient(90deg,var(--neon-gold),#ffb800);color:#000;border:none;padding:14px;border-radius:10px;font-weight:700;font-size:14px;cursor:pointer;transition:all .2s}.btn-gold:hover{box-shadow:0 0 15px #ffd70066}.pulse{animation:pulse-anim 1.5s infinite ease-in-out}@keyframes pulse-anim{0%,to{opacity:.6}50%{opacity:1}}