:root{--bg: #04060a;--fg: #c8d8e8;--accent: #6ad1ff;--dim: #3a4a5a;--grid: rgba(106, 209, 255, .08);--mono: "JetBrains Mono", "SF Mono", "Menlo", "Consolas", monospace}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--fg);font-family:var(--mono);-webkit-font-smoothing:antialiased}#scene{position:fixed;inset:0;width:100vw;height:100vh;display:block}#hud{position:fixed;inset:0;pointer-events:none;z-index:10;font-size:11px;letter-spacing:.12em;text-transform:uppercase}#hud:before{content:"";position:absolute;inset:0;background:linear-gradient(var(--grid) 1px,transparent 1px) 0 0 / 40px 40px,linear-gradient(90deg,var(--grid) 1px,transparent 1px) 0 0 / 40px 40px;mask-image:radial-gradient(circle at center,transparent 35%,black 80%);-webkit-mask-image:radial-gradient(circle at center,transparent 35%,black 80%);opacity:.5}.hud-corner{position:absolute;padding:20px 24px;color:var(--accent);text-shadow:0 0 12px rgba(106,209,255,.4)}.hud-corner.tl{top:0;left:0}.hud-corner.tr{top:0;right:0;text-align:right}.hud-corner.bl{bottom:0;left:0}.hud-corner.br{bottom:0;right:0;text-align:right}.hud-label{font-size:14px;font-weight:600;letter-spacing:.3em}.hud-sub{font-size:10px;color:var(--dim);margin-top:4px}.hud-row{display:flex;gap:12px;justify-content:flex-end;line-height:1.6}.hud-row .k{color:var(--dim)}.hud-row .v{color:var(--fg);min-width:80px;text-align:right}.panel{position:fixed;left:24px;top:50%;transform:translateY(-50%);z-index:20;pointer-events:auto;min-width:180px;padding:14px 14px 10px;background:#080e16b8;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border:1px solid rgba(106,209,255,.18);border-radius:4px;box-shadow:0 0 0 1px #6ad1ff0a inset,0 8px 32px #0009;font-family:var(--mono);color:var(--fg)}.panel-header{font-size:10px;letter-spacing:.32em;color:var(--dim);text-transform:uppercase;padding-bottom:10px;margin-bottom:8px;border-bottom:1px solid rgba(106,209,255,.12)}.panel-body{display:flex;flex-direction:column;gap:4px}.panel-btn{display:flex;align-items:center;gap:10px;padding:8px 10px;background:transparent;border:1px solid transparent;border-radius:2px;color:var(--fg);font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;text-align:left;cursor:pointer;transition:background .12s,border-color .12s,color .12s}.panel-btn:hover{background:#6ad1ff0f;border-color:#6ad1ff33;color:var(--accent)}.panel-btn.is-active{background:#6ad1ff1a;border-color:#6ad1ff73;color:var(--accent);text-shadow:0 0 8px rgba(106,209,255,.5)}.panel-btn-dot{width:6px;height:6px;border-radius:50%;background:var(--dim);box-shadow:0 0 0 2px #6ad1ff00;transition:background .12s,box-shadow .12s;flex-shrink:0}.panel-btn:hover .panel-btn-dot,.panel-btn.is-active .panel-btn-dot{background:var(--accent);box-shadow:0 0 8px #6ad1ffcc}.panel-btn-label{flex:1}.pause-btn{position:fixed;bottom:24px;left:50%;transform:translate(-50%);z-index:20;pointer-events:auto;min-width:96px;padding:10px 18px;background:#080e16b8;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border:1px solid rgba(106,209,255,.2);border-radius:4px;color:var(--fg);font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.32em;text-transform:uppercase;cursor:pointer;box-shadow:0 8px 32px #00000080;transition:background .12s,border-color .12s,color .12s,text-shadow .12s}.pause-btn:hover{background:#6ad1ff14;border-color:#6ad1ff73;color:var(--accent);text-shadow:0 0 8px rgba(106,209,255,.5)}.pause-btn.is-paused{background:#6ad1ff1f;border-color:#6ad1ff8c;color:var(--accent);text-shadow:0 0 10px rgba(106,209,255,.6)}