:root{--bg: #050403;--panel: #0d0c0aee;--panel-solid: #0d0c0a;--border: #262420;--text: #ececed;--text-muted: #8a857a;--gold: #c9a962;--gold-dim: #7a6a45;--danger: #d1554a;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font);overflow:hidden}.app-root{position:relative;width:100vw;height:100vh}.canvas-layer{position:absolute;top:0;right:0;bottom:0;left:0}.canvas-layer canvas{touch-action:none}.loading-screen{position:absolute;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,#0d0c0a,#050403 70%);transition:opacity .6s ease}.loading-title{color:var(--gold);letter-spacing:.22em;font-size:22px;font-weight:600}.loading-subtitle{color:var(--text-muted);letter-spacing:.28em;font-size:11px;margin-top:8px}.loading-bar{width:220px;height:2px;background:#201d18;margin-top:28px;overflow:hidden}.loading-bar-fill{height:100%;background:var(--gold);transition:width .3s ease}.loading-skip{margin-top:32px;background:none;border:1px solid var(--border);color:var(--text-muted);padding:8px 18px;letter-spacing:.1em;font-size:11px;cursor:pointer}.loading-skip:hover{color:var(--text);border-color:var(--gold-dim)}.loading-error{color:var(--danger);font-size:13px;margin-top:20px;max-width:320px;text-align:center}.hud-top{position:absolute;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:16px 20px;pointer-events:none}.hud-brand{font-size:13px;letter-spacing:.18em;color:var(--gold);font-weight:600;pointer-events:auto}.hud-room-label{font-size:11px;letter-spacing:.12em;color:var(--text-muted);text-transform:uppercase;pointer-events:auto}.hud-actions{display:flex;gap:8px;pointer-events:auto}.hud-btn{background:#0d0c0ab3;border:1px solid var(--border);color:var(--text);width:34px;height:34px;border-radius:3px;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center}.hud-btn:hover{border-color:var(--gold-dim)}.hud-btn.active{color:var(--gold);border-color:var(--gold-dim)}@media (pointer: coarse){.hud-btn{width:44px;height:44px;font-size:16px}.hud-nav-btn{padding:12px 16px}}.hud-bottom{position:absolute;bottom:0;left:0;right:0;z-index:20;display:flex;justify-content:center;padding:18px;pointer-events:none}.hud-nav{display:flex;gap:8px;pointer-events:auto;background:#0d0c0ab3;border:1px solid var(--border);padding:6px;border-radius:4px}.hud-nav-btn{background:none;border:none;color:var(--text-muted);font-size:11px;letter-spacing:.08em;padding:8px 14px;cursor:pointer;border-radius:2px}.hud-nav-btn:hover{color:var(--text);background:#ffffff0a}.hud-nav-btn.active{color:var(--gold)}.welcome-hint{position:absolute;bottom:90px;left:50%;transform:translate(-50%);z-index:16;font-size:11px;letter-spacing:.08em;color:var(--text);pointer-events:none;background:#0d0c0ab8;border:1px solid var(--border);padding:9px 18px;border-radius:4px;opacity:1;transition:opacity .8s ease;white-space:nowrap}.welcome-hint.hidden{opacity:0}.scene-transition-mask{position:absolute;top:0;right:0;bottom:0;left:0;z-index:60;background:var(--bg);opacity:0;pointer-events:none;transition:opacity .35s ease}.scene-transition-mask.active{opacity:1}.demo-notice{position:absolute;bottom:14px;left:14px;z-index:20;font-size:10px;color:var(--text-muted);letter-spacing:.04em;background:#0d0c0a99;padding:5px 10px;border-radius:3px;pointer-events:none}.panel-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:40;display:flex;align-items:center;justify-content:flex-end;background:#00000059}.panel{width:min(420px,92vw);height:100%;background:var(--panel-solid);border-left:1px solid var(--border);padding:28px 24px;overflow-y:auto}.panel-close{position:absolute;top:18px;right:18px}.panel-eyebrow{font-size:10px;letter-spacing:.14em;color:var(--gold);text-transform:uppercase}.panel-title{font-size:20px;font-weight:600;margin:6px 0 2px}.panel-artist{font-size:13px;color:var(--text-muted);margin-bottom:16px}.panel-hero{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:3px;background:#171512;margin-bottom:16px}.panel-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border);font-size:12px}.panel-row-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:10px}.panel-text{font-size:13px;line-height:1.6;color:#cfcac0;margin-top:12px}.panel-badge{display:inline-block;padding:3px 10px;border-radius:10px;font-size:10px;border:1px solid var(--gold-dim);color:var(--gold);letter-spacing:.05em;margin-top:12px}.panel-actions{display:flex;gap:8px;margin-top:20px}.panel-btn{flex:1;background:none;border:1px solid var(--border);color:var(--text);padding:10px;font-size:11px;letter-spacing:.06em;cursor:pointer}.panel-btn:hover{border-color:var(--gold-dim);color:var(--gold)}.certificate-card{border:1px solid var(--gold-dim);padding:18px;margin-top:12px;background:linear-gradient(160deg,#14120e,#0a0908)}.certificate-heading{color:var(--gold);font-size:12px;letter-spacing:.16em;text-align:center;margin-bottom:14px}.map-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:35;background:#050403eb;display:flex;align-items:center;justify-content:center}.map-box{width:min(520px,92vw)}.map-title{font-size:12px;letter-spacing:.16em;color:var(--gold);text-align:center;margin-bottom:20px}.map-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}.map-item{border:1px solid var(--border);padding:12px;text-align:center;font-size:11px;letter-spacing:.05em;color:var(--text-muted);cursor:pointer}.map-item:hover{border-color:var(--gold-dim);color:var(--text)}.map-item.current{color:var(--gold);border-color:var(--gold)}.map-item.locked{opacity:.5;cursor:default}.mobile-hint{position:absolute;bottom:78px;left:50%;transform:translate(-50%);font-size:10px;color:var(--text-muted);pointer-events:none}.fallback-2d{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:40px}.fallback-2d-box{max-width:480px;text-align:center}@media (prefers-reduced-motion: reduce){.loading-screen{transition:none}}