:root{color-scheme:dark;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;background:#091017;color:#edf2f7}*{box-sizing:border-box}.viewer-page{margin:0;width:100%;height:100%;overflow:hidden;background:radial-gradient(circle at top,rgba(92,132,180,.18),transparent 30%),linear-gradient(180deg,#0a1218,#091017);overscroll-behavior:none}.viewer-shell{position:relative;height:100vh}.viewer-loading{position:absolute;top:0;right:0;bottom:0;left:0;z-index:40;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:#091017;color:#edf2f7;text-align:center;transition:opacity .45s ease,visibility .45s ease}.viewer-loading.is-hidden{opacity:0;visibility:hidden;pointer-events:none}.viewer-loading p,.viewer-loading span{margin:0}.viewer-loading p{font-size:16px;font-weight:600}.viewer-loading span{color:#94a3b8;font-size:12px}.viewer-loading-mark{width:30px;height:30px;margin-bottom:8px;border:2px solid rgba(148,163,184,.25);border-top-color:#93c5fd;border-radius:50%;animation:viewer-loading-spin .9s linear infinite}@keyframes viewer-loading-spin{to{transform:rotate(360deg)}}#app{width:100%;height:100%}.scene-banner{position:absolute;z-index:14;display:none;transform:translate(-50%,-50%);padding:9px 14px;border:1px solid rgba(148,163,184,.55);border-radius:6px;background:#080e14e6;box-shadow:0 8px 18px #00000047;color:#f8fafc;font-size:12px;font-weight:600;letter-spacing:.03em;pointer-events:none;white-space:nowrap;transition:opacity 1.5s ease}.scene-banner:after{content:"";position:absolute;left:50%;bottom:-6px;width:10px;height:10px;border-right:1px solid rgba(148,163,184,.55);border-bottom:1px solid rgba(148,163,184,.55);background:#080e14e6;transform:translate(-50%) rotate(45deg)}.viewer-header{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:12px 4vw;z-index:20;background:#080e14e6;border-bottom:1px solid rgba(148,163,184,.22)}.viewer-header .brand{font-size:14px;font-weight:600;letter-spacing:.04em;color:inherit;text-decoration:none}.viewer-header .site-nav{display:flex;gap:12px;font-size:12px;flex-wrap:wrap}@media (max-width: 768px){.viewer-header{flex-direction:row;align-items:center;gap:8px;padding:8px max(10px,env(safe-area-inset-left));min-height:48px;overflow:hidden}.viewer-header .brand{flex:0 0 auto;font-size:12px}.viewer-header .site-nav{min-width:0;flex:1 1 auto;justify-content:flex-end;gap:3px;flex-wrap:nowrap;overflow-x:auto;white-space:nowrap}.viewer-header .site-nav a{flex:0 0 auto;padding:4px 6px;font-size:10px}.info-overlay{left:max(10px,env(safe-area-inset-left));top:max(112px,calc(112px + env(safe-area-inset-top)))}.app-description{left:max(10px,env(safe-area-inset-left));right:auto;bottom:70px}}.viewer-header .site-nav a{color:inherit;text-decoration:none;padding:5px 10px;border-radius:999px;border:1px solid transparent;transition:all .2s ease}.viewer-header .site-nav a[aria-current=page]{border-color:#8cb4f099;background:#78a4eb26}.viewer-header .site-nav a:hover{border-color:#8cb4f066}.info-overlay{position:absolute;border:0;cursor:pointer;left:18px;top:calc(126px + env(safe-area-inset-top));z-index:15;display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:6px;background:#080e14e0;border:1px solid rgba(148,163,184,.35);color:#edf2f7;text-decoration:none;font-size:11px;letter-spacing:.02em;transition:background .2s ease,border-color .2s ease}.info-overlay:hover{background:#0f1620f2;border-color:#94a3b88c}.app-description{position:absolute;right:18px;bottom:132px;z-index:16;width:min(380px,calc(100vw - 36px));padding:20px;border:1px solid rgba(148,163,184,.35);border-radius:10px;background:#080e14f5;box-shadow:0 12px 28px #00000059;color:#edf2f7}.app-description[hidden]{display:none}.app-description h2{margin:0 28px 10px 0;color:#dfeaff;font-size:16px}.app-description p{margin:0 0 10px;font-size:13px;line-height:1.55;text-transform:none;letter-spacing:0}.app-description a{display:inline-block;margin-top:6px;color:#93c5fd;font-size:12px;line-height:1.4;text-transform:none;letter-spacing:0}.app-description-close{position:absolute;top:10px;right:12px;border:0;background:transparent;color:#edf2f7;font-size:24px;line-height:1;cursor:pointer}.info-icon{width:24px;height:24px;border-radius:50%;border:1px solid rgba(140,180,240,.7);display:inline-flex;align-items:center;justify-content:center;font-weight:600}canvas{display:block;width:100%;height:100%;touch-action:none;filter:saturate(1.08) contrast(1.06) brightness(1.04)}.hud{position:absolute;top:calc(70px + env(safe-area-inset-top));left:18px;z-index:10;padding:10px 14px;border:1px solid rgba(163,186,220,.25);border-radius:12px;background:#070d1294;box-shadow:0 8px 20px #0000003d;color:#edf2f7;font-size:12px;letter-spacing:.02em}.hud strong{display:block;margin-bottom:4px;font-size:12px;color:#dfeaff}.hud span{opacity:.9;display:block;margin-top:2px}.dev-camera-panel{top:calc(150px + env(safe-area-inset-top));left:18px;width:280px;z-index:20}.dev-camera-panel label{display:block;margin-top:8px;text-transform:none;letter-spacing:0}.dev-camera-panel output{display:block;margin-top:3px;color:#b9d4ff;font-family:monospace;font-size:11px;text-transform:none}.dev-camera-panel button{margin-top:10px;border:none;border-radius:999px;padding:7px 10px;background:#78a4eb40;color:#e9f2ff;cursor:pointer}.camera-hud{top:calc(70px + env(safe-area-inset-top));right:18px;left:auto;padding:10px 12px;min-width:150px}.camera-actions{display:flex;flex-direction:column;gap:6px;margin-top:8px}.camera-actions button{border:none;border-radius:6px;padding:7px 10px;background:#1e293be6;border:1px solid rgba(148,163,184,.28);color:#e9f2ff;font-size:11px;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;touch-action:manipulation;transition:background .2s ease,transform .2s ease}.camera-actions button:hover{background:#334155f2;border-color:#94a3b880}.camera-home{display:inline-flex;align-items:center;justify-content:center;gap:5px}.camera-home svg{width:14px;height:14px;fill:currentColor}.camera-quality-control{position:relative;width:100%}.view-modes button{border:none;border-radius:6px;padding:7px 10px;background:#1e293be6;border:1px solid rgba(148,163,184,.28);color:#e9f2ff;font-size:11px;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;touch-action:manipulation;transition:background .2s ease,border-color .2s ease}.view-modes button:hover,.view-modes button.active{background:#334155f2;border-color:#94a3b880}.camera-performance{display:inline-flex;align-items:center;justify-content:center;gap:5px;width:100%}.quality-menu{position:absolute;top:calc(100% + 4px);right:0;z-index:30;display:grid;gap:4px;min-width:100%;padding:6px;border:1px solid rgba(163,186,220,.3);border-radius:10px;background:#070d12f2;box-shadow:0 10px 24px #0006}.quality-menu[hidden]{display:none}.quality-menu button{border:none;border-radius:7px;padding:7px 10px;background:transparent;color:#e9f2ff;font:inherit;font-size:10px;text-transform:uppercase;text-align:left;cursor:pointer}.quality-menu button:hover,.quality-menu button.active{background:#78a4eb4d}.camera-performance svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.camera-performance[aria-pressed=true]{background:#70dcaa4d;box-shadow:0 0 0 1px #70dcaa73}.mobile-joystick{position:absolute;left:max(18px,env(safe-area-inset-left));bottom:max(18px,env(safe-area-inset-bottom));z-index:12;width:124px;height:124px;display:none;align-items:center;justify-content:center;border:1px solid rgba(163,186,220,.35);border-radius:50%;background:#070d1273;box-shadow:0 10px 24px #00000059;touch-action:none;-webkit-user-select:none;user-select:none}.mobile-joystick:before{content:"";width:76px;height:76px;border:1px solid rgba(163,186,220,.22);border-radius:50%}.mobile-joystick-thumb{position:absolute;width:48px;height:48px;border-radius:50%;background:#78a4ebb3;border:1px solid rgba(233,242,255,.75);box-shadow:0 4px 12px #00000059;pointer-events:none;transition:transform .08s ease-out}.view-modes{position:absolute;right:18px;bottom:18px;z-index:10;display:flex;gap:8px;padding:10px;border-radius:999px;border:1px solid rgba(122,160,208,.3);background:#080e14b8;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 12px 24px #0006}.view-modes button{border:none;border-radius:999px;padding:8px 16px;background:#78a4eb33;color:#e9f2ff;font-size:12px;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:background .2s ease,transform .2s ease}.view-modes button:hover{background:#78a4eb59;transform:translateY(-1px)}.view-modes button.active{background:#78a4eb8c;box-shadow:inset 0 0 0 1px #b2d2ff8c}@media (max-width: 768px),(pointer: coarse){.viewer-shell,#app{min-height:100dvh}canvas{touch-action:none}.hud{left:max(10px,env(safe-area-inset-left));max-width:calc(100vw - 20px - env(safe-area-inset-left) - env(safe-area-inset-right));padding:8px 10px;font-size:10px}.hud.stats-panel{top:max(58px,calc(52px + env(safe-area-inset-top)))}.camera-hud{top:max(58px,calc(52px + env(safe-area-inset-top)));right:max(10px,env(safe-area-inset-right));left:auto;min-width:140px;max-width:min(180px,calc(100vw - 20px))}.camera-actions button,.view-modes button{min-height:44px}.camera-actions button{width:100%}.view-modes{right:max(10px,env(safe-area-inset-right));bottom:max(10px,env(safe-area-inset-bottom));max-width:calc(100vw - 158px);overflow-x:auto;padding:6px}.view-modes button{flex:0 0 auto;padding:8px 12px;font-size:10px}.mobile-joystick{display:flex}}