:root{--bg-primary: #0a0a1a;--bg-panel: rgba(20, 20, 45, .85);--bg-panel-hover: rgba(30, 30, 60, .95);--border-glow: rgba(100, 140, 255, .3);--text-primary: #e8e8f0;--text-secondary: #8888aa;--text-accent: #64b5f6;--accent-blue: #4fc3f7;--accent-gold: #ffd54f;--accent-red: #ff5252;--accent-green: #69f0ae;--font-main: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--radius: 12px;--panel-blur: 16px}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;font-family:var(--font-main);background:var(--bg-primary);color:var(--text-primary)}#app{width:100%;height:100%;position:relative}#game-canvas{display:block;width:100%;height:100%}#ui-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}#ui-overlay>*{pointer-events:auto}#game-header{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:linear-gradient(180deg,rgba(10,10,26,.8) 0%,transparent 100%)}#game-header h1{font-size:24px;font-weight:700;letter-spacing:2px;background:linear-gradient(135deg,var(--accent-blue),var(--accent-gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}#timer{font-size:18px;font-weight:500;font-variant-numeric:tabular-nums;color:var(--text-secondary);padding:6px 16px;border-radius:var(--radius);background:var(--bg-panel);-webkit-backdrop-filter:blur(var(--panel-blur));backdrop-filter:blur(var(--panel-blur));border:1px solid var(--border-glow)}#header-controls{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:8px}.header-ctrl-btn{background:var(--bg-panel);-webkit-backdrop-filter:blur(var(--panel-blur));backdrop-filter:blur(var(--panel-blur));border:1px solid var(--border-glow);border-radius:var(--radius);color:var(--text-secondary);font-size:16px;padding:4px 8px;cursor:pointer;transition:background .15s,color .15s,transform .1s;line-height:1}.header-ctrl-btn:hover{background:#ffffff1a;color:var(--text-primary);transform:scale(1.1)}#slice-selector{position:absolute;right:20px;bottom:80px;display:flex;flex-direction:row;gap:0;padding:0;border-radius:var(--radius);background:var(--bg-panel);-webkit-backdrop-filter:blur(var(--panel-blur));backdrop-filter:blur(var(--panel-blur));border:1px solid var(--border-glow);z-index:10;-webkit-user-select:none;user-select:none}.pane-tab-bar{display:flex;flex-direction:column;gap:0;border-right:1px solid var(--border-glow);background:#0f0f2399;border-radius:var(--radius) 0 0 var(--radius);overflow:hidden;flex-shrink:0}.pane-tab{writing-mode:vertical-rl;text-orientation:mixed;transform:rotate(180deg);padding:14px 8px;border:none;background:transparent;color:var(--text-secondary);font-family:var(--font-main);font-size:11px;font-weight:600;letter-spacing:.5px;cursor:pointer;transition:all .2s ease;white-space:nowrap;flex:1;text-align:center}.pane-tab:hover{background:#648cff14;color:var(--text-primary)}.pane-tab.active{background:#4fc3f71f;color:var(--accent-blue);box-shadow:inset 2px 0 0 var(--accent-blue)}.pane-body{display:flex;flex-direction:column;min-width:0}.tab-content{display:flex;flex-direction:column;gap:12px;padding:8px 16px 16px}.tab-content.hidden{display:none}.option-group{display:flex;flex-direction:column;gap:8px}.option-row{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;padding:6px 0}.option-info{flex:1;min-width:0}.option-label{font-size:12px;font-weight:600;color:var(--text-primary);margin-bottom:2px}.option-desc{font-size:10px;color:var(--text-secondary);line-height:1.3}.toggle-switch{position:relative;width:36px;height:20px;flex-shrink:0}.toggle-switch input{opacity:0;width:0;height:0;position:absolute}.toggle-slider{position:absolute;top:0;left:0;right:0;bottom:0;background:#64648c4d;border-radius:10px;transition:all .25s ease;cursor:pointer}.toggle-slider:before{content:"";position:absolute;width:16px;height:16px;left:2px;bottom:2px;background:var(--text-secondary);border-radius:50%;transition:all .25s ease}.toggle-switch input:checked+.toggle-slider{background:#4fc3f759}.toggle-switch input:checked+.toggle-slider:before{transform:translate(16px);background:var(--accent-blue);box-shadow:0 0 6px #4fc3f766}.slice-drag-handle{display:flex;align-items:center;justify-content:center;cursor:grab;padding:4px 0 6px;margin:0 -4px;border-radius:4px;transition:background .15s ease}.slice-drag-handle:active{cursor:grabbing}.slice-drag-handle:hover{background:#648cff1a}.slice-drag-handle-dots{width:32px;height:4px;border-radius:2px;background:var(--border-glow);position:relative}.slice-drag-handle-dots:after{content:"";position:absolute;top:6px;left:0;width:32px;height:4px;border-radius:2px;background:var(--border-glow)}.slice-axis-group{display:flex;flex-direction:column;gap:4px}.slice-axis-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-secondary);margin-bottom:2px}.layer-axis-tabs{display:flex;gap:4px;margin-bottom:4px}.layer-axis-tab{flex:1;padding:4px 6px;border:1px solid var(--border-glow);border-radius:6px;background:transparent;color:var(--text-secondary);font-family:var(--font-main);font-size:9px;font-weight:600;letter-spacing:.3px;cursor:pointer;transition:all .2s ease;text-align:center;white-space:nowrap}.layer-axis-tab:hover{background:var(--bg-panel-hover);border-color:var(--accent-blue);color:var(--text-primary)}.layer-axis-tab.active{background:#4fc3f726;border-color:var(--accent-blue);color:var(--accent-blue)}.slice-buttons{display:flex;gap:4px}.slice-buttons .slice-btn{flex:1}.slice-btn{min-width:36px;height:32px;padding:0 6px;border:1px solid var(--border-glow);border-radius:6px;background:transparent;color:var(--text-primary);font-family:var(--font-main);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease}.slice-btn:hover{background:var(--bg-panel-hover);border-color:var(--accent-blue)}.slice-btn.active{background:#4fc3f733;border-color:var(--accent-blue);color:var(--accent-blue);box-shadow:0 0 12px #4fc3f733}.slice-grid{display:flex;flex-direction:column;gap:3px}.slice-grid-row{display:flex;gap:3px}.slice-grid-btn{flex:1;font-size:10px;font-weight:600;height:28px;padding:0;text-align:center;letter-spacing:.3px}.cube-iso-container{display:flex;flex-direction:column;align-items:center;padding:4px 0;gap:8px}.cube-iso-svg-wrap{width:100%;height:180px;display:flex;align-items:center;justify-content:center;overflow:hidden}.cube-iso-svg{display:block;max-width:100%;max-height:100%}.cube-debug-sliders{width:100%;display:flex;flex-direction:column;gap:4px}.cube-debug-row{display:flex;align-items:center;gap:6px;font-size:9px;color:var(--text-secondary)}.cube-debug-label{width:40px;font-weight:600;flex-shrink:0}.cube-debug-range{flex:1;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#648cc833;border-radius:2px;outline:none}.cube-debug-range::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background:var(--accent-blue);cursor:pointer}.cube-debug-value{width:28px;text-align:right;font-variant-numeric:tabular-nums;flex-shrink:0}.cube-lock-btn{flex-shrink:0;width:22px;height:22px;padding:0;border:1px solid rgba(100,140,200,.25);border-radius:4px;background:#648cc814;color:var(--text-secondary);font-size:12px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .15s,background .15s}.cube-lock-btn:hover{background:#648cc82e;border-color:#648cc866}.cube-lock-btn.active{background:#4fc3f726;border-color:var(--accent-blue)}.cube-debug-range:disabled{opacity:.4;cursor:not-allowed}.cube-debug-range:disabled::-webkit-slider-thumb{cursor:not-allowed;background:var(--text-secondary)}.slice-none-btn{width:100%;padding:5px 0;font-size:11px;font-weight:600;letter-spacing:.5px}.shortcut-group{margin-bottom:12px}.shortcut-heading{font-size:11px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;padding-bottom:3px;border-bottom:1px solid rgba(255,255,255,.08)}.shortcut-row{display:flex;align-items:center;gap:10px;padding:3px 0;font-size:11px}.shortcut-keys{display:flex;flex-wrap:wrap;gap:3px;min-width:80px;flex-shrink:0}.shortcut-key{display:inline-block;padding:2px 6px;background:#ffffff14;border:1px solid rgba(255,255,255,.12);border-radius:4px;font-family:Inter,monospace;font-size:10px;font-weight:600;color:var(--text-primary);text-align:center;white-space:nowrap}.shortcut-desc{color:var(--text-secondary);font-size:11px;line-height:1.3}.palette-selector-group{border-top:1px solid rgba(255,255,255,.06);padding-top:6px}.palette-row{display:flex;align-items:center;gap:6px;margin-top:4px}.palette-mode-label{font-size:9px;font-weight:600;color:var(--text-secondary);opacity:.6;width:38px;text-align:right;flex-shrink:0}.palette-swatch-row{display:flex;gap:5px;justify-content:center}.palette-swatch{width:30px;height:18px;border-radius:5px;border:2px solid transparent;cursor:pointer;transition:all .2s ease;outline:none}.palette-swatch:hover{transform:scale(1.15);border-color:#fff6}.palette-swatch.active{border-color:var(--accent-blue);box-shadow:0 0 8px var(--accent-blue);transform:scale(1.1);opacity:1!important}#controls-panel{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:8px;align-items:center;padding:12px 20px;border-radius:var(--radius);background:var(--bg-panel);-webkit-backdrop-filter:blur(var(--panel-blur));backdrop-filter:blur(var(--panel-blur));border:1px solid var(--border-glow)}.ctrl-btn{padding:8px 16px;border:1px solid var(--border-glow);border-radius:8px;background:transparent;color:var(--text-primary);font-family:var(--font-main);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease;white-space:nowrap}.ctrl-btn:hover{background:var(--bg-panel-hover);border-color:var(--accent-blue)}.ctrl-btn.active{background:#4fc3f733;border-color:var(--accent-blue);color:var(--accent-blue)}.ctrl-btn.danger:hover{border-color:var(--accent-red);color:var(--accent-red)}.ctrl-btn.modifier-preview{background:#ffc10740;border-color:#ffc107;color:#ffd54f;transition:none}.ctrl-separator{width:1px;height:24px;background:var(--border-glow);margin:0 4px}#number-input{position:absolute;bottom:80px;left:50%;transform:translate(-50%);display:flex;gap:6px;padding:10px 16px;border-radius:var(--radius);background:var(--bg-panel);-webkit-backdrop-filter:blur(var(--panel-blur));backdrop-filter:blur(var(--panel-blur));border:1px solid var(--border-glow);transition:opacity .2s ease,transform .2s ease}#number-input.hidden{opacity:0;pointer-events:none;transform:translate(-50%) translateY(10px)}.num-btn{width:42px;height:42px;border:1px solid var(--border-glow);border-radius:8px;background:transparent;color:var(--text-primary);font-family:var(--font-main);font-size:18px;font-weight:600;cursor:pointer;transition:all .15s ease}.num-btn:hover{background:#4fc3f726;border-color:var(--accent-blue);transform:scale(1.08)}.num-btn:active{transform:scale(.95)}.num-btn.clear-btn{font-size:14px;color:var(--text-secondary)}.num-btn.active{background:#4fc3f733;border-color:var(--accent-blue);color:var(--accent-blue);box-shadow:0 0 12px #4fc3f733}#menu-overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#0a0a1ad9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:opacity .4s ease;z-index:100}#menu-overlay.hidden{opacity:0;pointer-events:none}.menu-card{text-align:center;padding:48px 56px;border-radius:20px;background:var(--bg-panel);border:1px solid var(--border-glow);box-shadow:0 20px 60px #00000080,0 0 40px #4fc3f71a}.menu-label{font-size:10px;font-weight:700;letter-spacing:1px;color:var(--text-secondary);margin-bottom:8px;text-transform:uppercase;opacity:.7}.size-selector{margin-bottom:24px}.size-options{display:flex;justify-content:center;gap:12px}.size-btn{padding:8px 20px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:8px;color:var(--text-secondary);font-family:var(--font-main);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.size-btn:hover{background:#ffffff1a;border-color:#ffffff4d;color:var(--text-primary);transform:translateY(-2px)}.size-btn.active{background:#4fc3f726;border-color:var(--accent-blue);color:var(--accent-blue);box-shadow:0 0 15px #4fc3f733}.difficulty-selector{margin-bottom:24px}.difficulty-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}.difficulty-options button{padding:12px 24px;font-size:14px;font-weight:600;border-radius:10px;border:1px solid rgba(255,255,255,.1);background:#ffffff08;color:var(--text-secondary);font-family:var(--font-main);cursor:pointer;transition:all .2s cubic-bezier(.2,.8,.2,1)}.difficulty-options button:hover{background:#ffffff14;border-color:#ffffff4d;color:var(--text-primary);transform:translateY(-2px);box-shadow:0 4px 12px #0003}.menu-card h2{font-size:32px;font-weight:300;margin-bottom:8px;color:var(--text-primary)}.menu-subtitle{font-size:14px;color:var(--text-secondary);margin-bottom:24px}.seed-input-wrap{margin-bottom:24px}.seed-input-wrap input{width:100%;max-width:260px;padding:10px 14px;border:1px solid var(--border-glow);border-radius:var(--radius);background:#ffffff0d;color:var(--text-primary);font-family:var(--font-main);font-size:14px;text-align:center;outline:none;transition:border-color .2s ease}.seed-input-wrap input::placeholder{color:var(--text-secondary);opacity:.6}.seed-input-wrap input:focus{border-color:var(--accent)}.difficulty-buttons{display:flex;gap:12px}.difficulty-buttons button{padding:14px 28px;border:1px solid var(--border-glow);border-radius:var(--radius);background:transparent;color:var(--text-primary);font-family:var(--font-main);font-size:15px;font-weight:500;cursor:pointer;transition:all .25s ease;min-width:100px}.difficulty-buttons button:hover{background:#4fc3f726;border-color:var(--accent-blue);transform:translateY(-2px);box-shadow:0 8px 24px #4fc3f726}.difficulty-buttons button:active{transform:translateY(0)}.continue-btn{margin-top:16px;padding:14px 36px;border:1px solid var(--accent-blue);border-radius:var(--radius);background:#4fc3f71f;color:var(--accent-blue);font-family:var(--font-main);font-size:15px;font-weight:600;cursor:pointer;transition:all .25s ease;width:100%;letter-spacing:.5px}.continue-btn:hover{background:#4fc3f738;box-shadow:0 0 20px #4fc3f733;transform:translateY(-2px)}.continue-btn:active{transform:translateY(0)}#generating-message{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;padding:32px 48px;border-radius:var(--radius);background:var(--bg-panel);-webkit-backdrop-filter:blur(var(--panel-blur));backdrop-filter:blur(var(--panel-blur));border:1px solid var(--border-glow);z-index:90}#generating-message.hidden{display:none}#generating-message h3{font-weight:400;margin-bottom:8px}#generating-message p{font-size:13px;color:var(--text-secondary)}#pause-overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#c8d2e6d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:90;transition:opacity .3s ease}#pause-overlay.hidden{opacity:0;pointer-events:none}.pause-text{font-size:48px;font-weight:700;color:#1e1e3c99;letter-spacing:4px;-webkit-user-select:none;user-select:none;margin-bottom:20px}.pause-card{display:flex;flex-direction:column;align-items:center}#resume-btn{padding:12px 32px;font-size:16px;font-weight:600;font-family:Inter,sans-serif;color:#fff;background:var(--accent);border:none;border-radius:10px;cursor:pointer;transition:background .2s,transform .1s}#resume-btn:hover{background:#58f;transform:scale(1.05)}#win-overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#0a0a1ab3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;transition:opacity .5s ease}#win-overlay.hidden{opacity:0;pointer-events:none}.win-card{text-align:center;padding:48px 64px;border-radius:20px;background:var(--bg-panel);border:1px solid rgba(105,240,174,.3);box-shadow:0 20px 60px #00000080,0 0 60px #69f0ae1a}.win-card h2{font-size:36px;font-weight:700;margin-bottom:8px;background:linear-gradient(135deg,var(--accent-green),var(--accent-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.win-card .win-time{font-size:18px;color:var(--text-secondary);margin-bottom:24px}.win-card button{padding:12px 32px;border:1px solid rgba(105,240,174,.3);border-radius:var(--radius);background:#69f0ae1a;color:var(--accent-green);font-family:var(--font-main);font-size:15px;font-weight:500;cursor:pointer;transition:all .25s ease}.win-card button:hover{background:#69f0ae33;transform:translateY(-2px);box-shadow:0 8px 24px #69f0ae26}.hidden{display:none!important}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#648cff4d;border-radius:3px}