*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#scene-canvas{touch-action:none;width:100%;height:100%;transition:left .5s cubic-bezier(.22,1,.36,1);display:block;position:absolute;top:0;left:0}.eye-toggle{z-index:var(--z-panel);border-radius:var(--radius-full);width:48px;height:48px;color:var(--text-secondary);cursor:pointer;transition:opacity var(--transition-fast), color var(--transition-fast);touch-action:manipulation;-webkit-tap-highlight-color:transparent;pointer-events:auto;background:0 0;border:none;justify-content:center;align-items:center;margin:16px;display:flex;position:fixed}.eye-toggle:hover{color:var(--text-primary)}.eye-toggle:active{opacity:.6}.eye-toggle[data-visible=false]{color:var(--text-muted)}.eye-toggle.is-hidden{opacity:0;pointer-events:none}.eye-toggle[data-corner=tl]{margin-left:72px;top:0;left:0}.eye-toggle[data-corner=tr]{margin-right:72px;top:0;right:0}.eye-toggle[data-corner=bl]{margin-left:72px;bottom:0;left:0}.eye-toggle[data-corner=br]{margin-right:72px;bottom:0;right:0}.settings-toggle{z-index:var(--z-panel);border-radius:var(--radius-full);background:color-mix(in srgb, var(--bg-surface) 20%, transparent);width:48px;height:48px;color:var(--text-primary);cursor:pointer;box-shadow:var(--shadow-md);transition:transform var(--transition-fast), box-shadow var(--transition-fast);touch-action:manipulation;-webkit-tap-highlight-color:transparent;border:none;justify-content:center;align-items:center;margin:16px;display:flex;position:fixed}.settings-toggle:hover{box-shadow:var(--shadow-lg);transform:scale(1.05)}.settings-toggle:active{transform:scale(.95)}.settings-toggle.is-active{background:var(--accent);color:#fff;box-shadow:0 0 0 4px var(--accent-subtle)}.settings-toggle[data-corner=tl]{top:0;left:0}.settings-toggle[data-corner=tr]{top:0;right:0}.settings-toggle[data-corner=bl]{bottom:0;left:0}.settings-toggle[data-corner=br]{bottom:0;right:0}.settings-panel{z-index:var(--z-panel);background:var(--bg-secondary);border-left:1px solid var(--border);border-right:1px solid var(--border);width:320px;max-width:85vw;box-shadow:var(--shadow-lg);overscroll-behavior:contain;-webkit-overflow-scrolling:touch;will-change:transform;transition:transform .5s cubic-bezier(.22,1,.36,1);position:fixed;top:0;bottom:0;overflow-y:auto}.settings-panel[data-side=left]{border-right:1px solid var(--border);left:0;transform:translate(-100%)}.settings-panel[data-side=right]{border-left:1px solid var(--border);right:0;transform:translate(100%)}.settings-panel.is-open{transform:translate(0)}.settings-panel::-webkit-scrollbar{width:4px}.settings-panel::-webkit-scrollbar-track{background:0 0}.settings-panel::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:2px}@media (width<=480px){.settings-panel{width:100%;max-width:100vw}}.model-credits{border-bottom:1px solid var(--border);background:var(--bg-overlay);flex-direction:column;gap:4px;padding:14px 20px;display:flex}.credit-row{flex-direction:column;gap:1px;display:flex}.credit-label{font-family:var(--font-sans);color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:10px;font-weight:600}.credit-value{font-family:var(--font-sans);color:var(--text-secondary);word-break:break-all;font-size:13px;line-height:1.4}.credit-value--filename{font-family:var(--font-mono);color:var(--text-primary);font-size:12px}.credit-value--link{color:var(--accent);transition:color var(--transition-fast);text-decoration:none}.credit-value--link:hover{color:var(--accent-hover);text-decoration:underline}.settings-row{border-bottom:1px solid var(--border);flex-direction:column;gap:6px;padding:16px 20px;display:flex}.settings-row:has(.light-control){padding-bottom:10px}.settings-label{font-family:var(--font-sans);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;font-size:13px;font-weight:500}.settings-control{width:100%;min-height:44px;font-family:var(--font-sans);color:var(--text-primary);background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);touch-action:manipulation;-webkit-tap-highlight-color:transparent;padding:0 12px;font-size:15px}.settings-control:hover{border-color:var(--border-hover)}.settings-control:focus-visible{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-subtle);outline:none}input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;width:18px;height:18px;box-shadow:var(--shadow-sm);transition:transform var(--transition-fast);border:2px solid #fff;border-radius:50%}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}input[type=range]::-webkit-slider-thumb:active{transform:scale(.95)}input[type=range]::-moz-range-thumb{background:var(--accent);cursor:pointer;width:18px;height:18px;box-shadow:var(--shadow-sm);border:2px solid #fff;border-radius:50%}input[type=range]:focus-visible{outline:none}input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 3px var(--accent-subtle)}input[type=range]:focus-visible::-moz-range-thumb{box-shadow:0 0 0 3px var(--accent-subtle)}.light-control{background:var(--bg-surface);flex-direction:column;align-items:center;width:100%;display:flex;border:1px solid var(--border)!important;border-radius:var(--radius-lg)!important;min-height:auto!important;padding:8px!important}.light-control svg{filter:drop-shadow(0 2px 4px #0003)}.light-control svg circle[r="8"]{transition:r .15s}.light-control svg circle[r="8"]:hover{r:10;filter:brightness(1.2)}.button-position-grid{grid-template-columns:1fr 1fr;gap:8px;min-height:44px;padding:0;display:grid}.button-position-btn{background:var(--bg-surface);border:2px solid var(--border);border-radius:var(--radius-md);cursor:pointer;min-height:48px;color:var(--text-secondary);transition:border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);touch-action:manipulation;-webkit-tap-highlight-color:transparent;justify-content:center;align-items:center;padding:8px;display:flex}.button-position-btn:hover{border-color:var(--border-hover);color:var(--text-primary)}.button-position-btn:active{transform:scale(.95)}.button-position-btn:focus-visible{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-subtle);outline:none}.button-position-btn.is-selected{border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 2px var(--accent-subtle)}select.settings-control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23a0a0b0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding-right:36px}.material-preset-grid{grid-template-columns:1fr 1fr;gap:8px;padding:0;display:grid}.material-preset-card{background:var(--bg-surface);border:2px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);touch-action:manipulation;-webkit-tap-highlight-color:transparent;font-family:var(--font-sans);flex-direction:column;align-items:center;gap:8px;min-height:44px;padding:10px;display:flex}.material-preset-card:hover{border-color:var(--border-hover);transform:translateY(-1px)}.material-preset-card:active{transform:scale(.97)}.material-preset-card:focus-visible{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-subtle);outline:none}.material-preset-card.is-selected{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-subtle)}.material-preset-preview{border-radius:var(--radius-sm);background:var(--bg-secondary);width:100px;height:64px;transition:opacity var(--transition-normal);background-position:50%;background-repeat:no-repeat;background-size:cover}.material-preset-preview.has-thumbnail{opacity:1}.material-preset-preview:not(.has-thumbnail){opacity:.5}.material-preset-label{font-family:var(--font-sans);color:var(--text-secondary);text-transform:capitalize;letter-spacing:.02em;text-align:center;font-size:11px;font-weight:500;line-height:1.2}.view-presets{border-bottom:1px solid var(--border);flex-direction:column;gap:10px;padding:16px 20px;display:flex}.view-presets-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.view-preset-btn{font-family:var(--font-sans);color:var(--text-primary);background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;min-height:44px;transition:background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);touch-action:manipulation;-webkit-tap-highlight-color:transparent;padding:10px 12px;font-size:14px;font-weight:500}.view-preset-btn:hover{background:var(--bg-overlay);border-color:var(--border-hover)}.view-preset-btn:active{transform:scale(.97)}.view-preset-btn:focus-visible{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-subtle);outline:none}.view-preset-btn--reset{color:var(--accent);border-color:var(--accent-subtle);grid-column:1/-1}.view-preset-btn--reset:hover{background:var(--accent-subtle);border-color:var(--accent)}:root{--bg-primary:#1a1a2e;--bg-secondary:#16213e;--bg-surface:#0f3460;--bg-overlay:#0f3460d9;--text-primary:#e8e8e8;--text-secondary:#a0a0b0;--text-muted:#6b7280;--accent:#e94560;--accent-hover:#ff6b81;--accent-subtle:#e9456026;--border:#ffffff14;--border-hover:#ffffff29;--shadow-sm:0 1px 3px #0006;--shadow-md:0 4px 12px #00000080;--shadow-lg:0 8px 24px #0009;--font-sans:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono:ui-monospace, "Cascadia Code", "Fira Code", Consolas, monospace;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:9999px;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s ease;--z-canvas:0;--z-ui:10;--z-panel:20;--z-overlay:30;--z-toast:40}@media (prefers-color-scheme:light){:root{--bg-primary:#f0f0f5;--bg-secondary:#e4e4ec;--bg-surface:#fff;--bg-overlay:#ffffffe6;--text-primary:#1a1a2e;--text-secondary:#4a4a5a;--text-muted:#9ca3af;--accent:#e94560;--accent-hover:#d63850;--accent-subtle:#e945601a;--border:#00000014;--border-hover:#00000029;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 8px 24px #00000026}}#webgl-error{z-index:9999;color:#e8e8e8;background:#1a1a2e;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;display:none;position:fixed;inset:0;overflow-y:auto}#webgl-error.is-visible{justify-content:center;align-items:start;display:flex}#webgl-error .error-card{background:#16213e;border:1px solid #ffffff14;border-radius:16px;width:90%;max-width:520px;margin:40px auto;padding:36px 28px;box-shadow:0 8px 24px #0009}#webgl-error h1{color:#e94560;margin:0 0 8px;font-size:22px;font-weight:600}#webgl-error p{color:#a0a0b0;margin:0 0 16px;font-size:15px;line-height:1.6}#webgl-error .error-card p:first-of-type{color:#e8e8e8;font-size:16px}#webgl-error ol{color:#a0a0b0;margin:0 0 16px;padding-left:22px;font-size:14px;line-height:1.8}#webgl-error ol li{margin-bottom:4px}#webgl-error strong{color:#e8e8e8}#webgl-error code{color:#8ab4f8;background:#0f3460;border-radius:4px;padding:2px 6px;font-family:ui-monospace,Cascadia Code,Fira Code,Consolas,monospace;font-size:13px}#webgl-error .error-icon{text-align:center;margin-bottom:16px;font-size:48px}#webgl-error .browser-list{flex-wrap:wrap;gap:12px;margin-top:20px;display:flex}#webgl-error .browser-btn{color:#e8e8e8;background:#0f3460;border:1px solid #ffffff14;border-radius:10px;align-items:center;gap:8px;padding:10px 18px;font-size:14px;font-weight:500;text-decoration:none;transition:background .15s,border-color .15s;display:inline-flex}#webgl-error .browser-btn:hover{background:#e9456026;border-color:#ffffff29}#webgl-error .divider{border:none;border-top:1px solid #ffffff14;margin:20px 0}