*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0e1420;--panel: rgba(17, 24, 39, .72);--panel-border: rgba(255, 255, 255, .1);--text: #e8edf4;--text-dim: #9aa7b8;--accent: #ffb547;--accent-2: #5ab0ff;--glass: linear-gradient(165deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .02))}html,body{width:100%;height:100%;overflow:hidden;background:var(--bg);font-family:Manrope,Segoe UI,system-ui,sans-serif;color:var(--text)}#scene-canvas{position:fixed;inset:0;width:100%;height:100%;display:block}#app{display:none}#loader{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,#101725,#0a0f1a 60%,#141b2b);transition:opacity .6s ease}#loader.done{opacity:0;pointer-events:none}.loader-box{text-align:center}.loader-title{font-size:42px;font-weight:800;letter-spacing:.02em;background:linear-gradient(90deg,#fff,#9fc3ff);-webkit-background-clip:text;background-clip:text;color:transparent}.loader-sub{margin-top:8px;font-size:15px;color:var(--text-dim);letter-spacing:.14em;text-transform:uppercase}.loader-bar{width:320px;height:3px;margin:28px auto 0;border-radius:3px;background:#ffffff1f;overflow:hidden}.loader-bar-fill{width:0%;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .3s ease}#hud-top{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;pointer-events:none}.brand-name{font-size:20px;font-weight:800;text-shadow:0 2px 10px rgba(0,0,0,.5)}.brand-sub{font-size:12px;color:var(--text-dim);margin-top:2px;text-shadow:0 1px 4px rgba(0,0,0,.5)}.hud-actions{display:flex;gap:8px;pointer-events:auto;flex-wrap:wrap;justify-content:flex-end}.btn{border:1px solid var(--panel-border);background:var(--glass),var(--panel);backdrop-filter:blur(10px);color:var(--text);font-family:inherit;font-size:13px;font-weight:600;padding:9px 14px;border-radius:10px;cursor:pointer;transition:all .18s ease;box-shadow:0 4px 14px #00000040}.btn:hover{background:#ffffff29;border-color:#ffffff40;transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}.btn.active{background:var(--accent);color:#1a1408;border-color:var(--accent)}.btn-accent{background:linear-gradient(90deg,var(--accent),#ff8a3d);color:#1a1408;border:none}.btn-accent:hover{filter:brightness(1.1)}.btn-ghost{background:#ffffff0d;color:var(--text-dim);border-color:var(--panel-border)}.btn-ghost:hover{background:#ff525226;border-color:#ff525280;color:#ff9b9b}#hud-nav{position:fixed;top:84px;left:16px;z-index:40;width:210px;background:var(--glass),var(--panel);backdrop-filter:blur(12px);border:1px solid var(--panel-border);border-radius:16px;padding:12px;display:flex;flex-direction:column;gap:2px;box-shadow:0 10px 30px #00000059;animation:panel-in .5s ease both}@keyframes panel-in{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.nav-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text-dim);padding:2px 6px 8px}.nav-item{display:flex;align-items:center;gap:8px;background:none;border:none;color:var(--text);font-family:inherit;font-size:13px;padding:7px 8px;border-radius:8px;cursor:pointer;text-align:left;transition:background .15s ease,transform .15s ease}.nav-item:hover{background:#ffffff1a;transform:translate(3px)}.nav-item:focus-visible{outline:2px solid var(--accent-2);outline-offset:-2px}.dot{width:7px;height:7px;border-radius:50%;background:var(--accent-2);flex-shrink:0;box-shadow:0 0 8px #5ab0ff99}.nav-item:hover .dot{background:var(--accent);box-shadow:0 0 8px #ffb54799}.nav-sep{height:1px;background:var(--panel-border);margin:6px 4px}#hud-help{position:fixed;bottom:16px;left:16px;z-index:40;background:var(--glass),var(--panel);backdrop-filter:blur(12px);border:1px solid var(--panel-border);border-radius:16px;padding:12px 16px;font-size:12px;color:var(--text-dim);line-height:1.85;box-shadow:0 10px 30px #00000059;animation:panel-in .5s ease .15s both}.help-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text);margin-bottom:4px}.help-row b{color:var(--text);font-weight:600}.help-row{white-space:nowrap}#hud-info{position:fixed;right:16px;bottom:16px;z-index:40;display:flex;gap:10px;flex-direction:column;align-items:flex-end}.info-card{background:var(--glass),var(--panel);backdrop-filter:blur(12px);border:1px solid var(--panel-border);border-radius:14px;padding:10px 16px;text-align:right;box-shadow:0 10px 30px #00000059;animation:panel-in .5s ease .25s both}.info-k{font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em}.info-v{font-size:18px;font-weight:700;margin-top:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}#hud-hint{position:fixed;bottom:24px;left:50%;transform:translate(-50%);z-index:40;background:var(--glass),var(--panel);backdrop-filter:blur(12px);border:1px solid var(--panel-border);border-radius:12px;padding:10px 18px;font-size:13px;color:var(--text);transition:opacity .6s ease;white-space:nowrap;pointer-events:none;box-shadow:0 8px 24px #0000004d;animation:hint-in .6s ease 1s both}@keyframes hint-in{0%{opacity:0;transform:translate(-50%) translateY(12px)}to{opacity:1;transform:translate(-50%) translateY(0)}}#hud-hint.fade-out{opacity:0}#hud-hint.hidden{display:none}#toast{position:fixed;top:74px;left:50%;transform:translate(-50%);z-index:60;display:flex;flex-direction:column;gap:8px;align-items:center}.toast-item{background:#141c2ce6;border:1px solid var(--panel-border);border-radius:10px;padding:8px 16px;font-size:13px;animation:toast-in .3s ease}@keyframes toast-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 900px){#hud-nav,#hud-info{display:none}}#cinema-bars{position:fixed;inset:0;pointer-events:none;z-index:6;display:none}#cinema-bars.on{display:block}#cinema-bars:before,#cinema-bars:after{content:"";position:absolute;left:0;right:0;height:9vh;background:#000;transition:height .4s ease}#cinema-bars:before{top:0}#cinema-bars:after{bottom:0}body.recording #hud-top,body.recording #hud-nav,body.recording #hud-help,body.recording #hud-info,body.recording #hud-hint,body.recording #toast,body.recording #loader{display:none!important}#build-tag{position:absolute;top:12px;right:12px;padding:3px 10px;border-radius:999px;background:#141a268c;border:1px solid var(--panel-border);color:var(--text-dim);font-size:12px;font-weight:700;letter-spacing:.5px;z-index:8;user-select:none}