:root{--bg-color: #0f172a;--text-color: #f8fafc;--accent-color: #fbbf24;--panel-bg: rgba(30, 41, 59, .7);--panel-border: rgba(255, 255, 255, .1)}body{margin:0;padding:0;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);overflow:hidden;width:100vw;height:100vh}#root{width:100%;height:100%}.canvas-wrapper{flex:1;position:relative;overflow:hidden}.panel{background:#0f172a66;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.05);border-radius:8px;padding:1.25rem;pointer-events:auto;box-shadow:0 4px 20px #0003}.top-gradient-panel{position:absolute;top:0;left:0;width:100%;padding:2rem 3rem;box-sizing:border-box;background:linear-gradient(to bottom,rgba(15,23,42,.9) 0%,rgba(15,23,42,.4) 60%,transparent 100%);color:#fff;z-index:10;text-align:left;pointer-events:none}.top-gradient-panel *{pointer-events:auto}.audio-panel{position:absolute;top:2rem;right:2rem;display:flex;align-items:center;gap:1rem;padding:1rem}h1{margin:0 0 .5rem;font-weight:600;font-size:1.25rem;letter-spacing:.05em;text-transform:uppercase;color:var(--accent-color)}.subtitle{color:#cbd5e1;font-size:.85rem;margin-bottom:0;font-weight:300}.tooltip-text{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--panel-border);font-size:.9rem;color:#f1f5f9;line-height:1.5;font-weight:300}.bottom-bar{background:#0f172a66;border-top:1px solid rgba(255,255,255,.05);padding:.35rem 2rem;display:flex;justify-content:center;align-items:center;height:auto;box-sizing:border-box}.slider-controls{width:100%;max-width:1200px;display:flex;align-items:center;gap:1.5rem}.slider-container{flex:1;display:flex;flex-direction:column;gap:.5rem}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;background:#fff3;height:2px;border-radius:1px;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:8px;height:8px;border-radius:50%;background:var(--accent-color);cursor:pointer;box-shadow:0 0 6px #fbbf2480;transition:transform .1s}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}.lighting-slider::-webkit-slider-thumb{width:16px!important;height:16px!important;box-shadow:0 0 10px #fbbf24cc!important}.step-labels{display:flex;justify-content:space-between;font-size:.85rem;color:#94a3b8}.step-label{width:33%;cursor:pointer;transition:color .2s}.step-label:hover{color:var(--text-color)}.step-label:first-child{text-align:left}.step-label:nth-child(2){text-align:center}.step-label:last-child{text-align:right}button{background:var(--panel-bg);color:var(--text-color);border:1px solid var(--panel-border);border-radius:8px;padding:.75rem 1.5rem;font-family:inherit;font-size:.9rem;cursor:pointer;transition:background .2s,border-color .2s;text-transform:uppercase;letter-spacing:.05em;white-space:nowrap}button:hover{background:#ffffff1a;border-color:var(--accent-color)}button:disabled{opacity:.5;cursor:not-allowed}.audio-panel button{padding:.5rem 1rem}.audio-panel label{font-size:.8rem;color:#cbd5e1;margin-right:.5rem}@keyframes pulseOpacity{0%{opacity:.3}50%{opacity:1}to{opacity:.3}}.pulse-text{animation:pulseOpacity 2s ease-in-out infinite}.steps-container{display:flex;align-items:center;gap:4rem}.start-button{padding:1.5rem 4rem}@media (max-width: 1024px){.steps-container{gap:.5rem;justify-content:space-between;width:100%}.start-button{padding:1rem 2rem!important;font-size:1rem!important}.top-gradient-panel{padding:1rem}.bottom-bar{padding:.5rem 1rem}h1{font-size:.75rem!important;letter-spacing:.05em!important}.step-inactive .subtitle{display:none!important}}