:root{--bg-top: #1b1d24;--bg-bottom: #0c0d11;--surface: rgba(22, 24, 30, .72);--surface-solid: #15171d;--border: rgba(255, 255, 255, .1);--text: #f4f5f7;--text-dim: #9aa0ab;--accent: #c8a15a;--radius: 18px;--shadow: 0 18px 50px rgba(0, 0, 0, .45)}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden;background:radial-gradient(120% 120% at 50% 18%,var(--bg-top) 0%,var(--bg-bottom) 70%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;touch-action:none}#viewer{position:fixed;inset:0;width:100%;height:100%}#viewer canvas{display:block;outline:none}.topbar{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:max(14px,env(safe-area-inset-top)) 18px 14px;z-index:20;pointer-events:none}.brand{font-weight:700;letter-spacing:.14em;font-size:14px;color:var(--text);text-shadow:0 1px 8px rgba(0,0,0,.5)}.brand span{color:var(--accent);margin:0 5px}.ar-btn{pointer-events:auto;display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid var(--border);border-radius:999px;background:var(--surface);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);color:var(--text);font-size:13px;font-weight:600;cursor:pointer;transition:transform .15s ease,background .2s ease}.ar-btn:active{transform:scale(.96)}.ar-btn svg{color:var(--accent)}.panel{position:fixed;z-index:15;background:var(--surface);backdrop-filter:blur(20px) saturate(140%);-webkit-backdrop-filter:blur(20px) saturate(140%);border:1px solid var(--border);box-shadow:var(--shadow);color:var(--text)}.panel__handle{display:none}.panel__head h1{font-size:17px;font-weight:700;letter-spacing:.01em}.panel__head p{font-size:12.5px;color:var(--text-dim);margin-top:3px}.zones{display:flex;flex-direction:column;gap:18px;margin-top:18px}.zone__label{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);margin-bottom:9px;display:flex;justify-content:space-between;align-items:baseline}.zone__current{color:var(--accent);font-weight:600;letter-spacing:0;text-transform:none;font-size:12px}.swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(30px,1fr));gap:9px}.swatch{width:30px;height:30px;border-radius:50%;border:2px solid transparent;box-shadow:inset 0 0 0 1px #ffffff24,0 2px 6px #0006;cursor:pointer;position:relative;padding:0;transition:transform .12s ease,border-color .18s ease}.swatch:active{transform:scale(.9)}.swatch.is-active{border-color:var(--accent);transform:scale(1.1);z-index:1}.swatch.is-active:after{content:"";position:absolute;inset:-5px;border-radius:50%;border:1px solid rgba(200,161,90,.45)}.swatch.is-metal:before,.swatch.is-pearl:before{content:"";position:absolute;inset:0;border-radius:50%;background:linear-gradient(135deg,#ffffffb3,#fff0 42%,#0000002e);pointer-events:none}.swatch.is-pearl:before{opacity:.55}@media(min-width:760px){.panel{top:50%;left:22px;transform:translateY(-50%);width:300px;max-height:84vh;overflow-y:auto;padding:22px;border-radius:var(--radius)}}@media(max-width:759px){.panel{left:0;right:0;bottom:0;padding:6px 18px max(20px,env(safe-area-inset-bottom));border-radius:22px 22px 0 0;border-bottom:none;max-height:62vh;overflow-y:auto;touch-action:pan-y;will-change:transform}.panel__handle,.panel__head{touch-action:none;cursor:grab;user-select:none;-webkit-user-select:none}.panel.is-dragging .panel__handle{cursor:grabbing}.panel__handle{display:block;width:44px;height:5px;border-radius:999px;background:#ffffff47;margin:8px auto 12px;transition:background .2s ease}.panel:not(.is-collapsed) .panel__head{padding-top:0}.panel.is-collapsed .panel__head p{opacity:.7}.zones{margin-top:12px}}.loader{position:fixed;inset:0;display:grid;place-items:center;background:radial-gradient(120% 120% at 50% 18%,var(--bg-top) 0%,var(--bg-bottom) 70%);z-index:50;transition:opacity .5s ease}.loader.hidden{opacity:0;pointer-events:none}.loader__box{display:flex;flex-direction:column;align-items:center;gap:16px;width:220px}.loader__spinner{width:34px;height:34px;border-radius:50%;border:3px solid rgba(255,255,255,.12);border-top-color:var(--accent);animation:spin .8s linear infinite}.loader__label{font-size:13px;color:var(--text-dim)}.loader__bar{width:100%;height:4px;border-radius:999px;background:#ffffff1a;overflow:hidden}.loader__fill{height:100%;width:0%;background:var(--accent);transition:width .2s ease}@keyframes spin{to{transform:rotate(360deg)}}.error{position:fixed;inset:0;display:grid;place-items:center;align-content:center;gap:16px;background:var(--bg-bottom);z-index:60;text-align:center;padding:24px}.error p{color:var(--text-dim)}.error button{padding:10px 22px;border-radius:999px;border:none;background:var(--accent);color:#1a1206;font-weight:700;cursor:pointer}.hidden{display:none!important}body.in-ar .panel,body.in-ar .topbar{display:none}