:root{--void: #080d12;--glass: rgba(13, 21, 27, .78);--glass-strong: rgba(15, 24, 31, .92);--edge: rgba(125, 240, 184, .1);--edge-bright: rgba(125, 240, 184, .35);--ink: #e8f4ec;--ink-dim: #8fa8a0;--mint: #7df0b8;--mint-deep: #0d1f17;--amber: #f0c87d;--rose: #f08c8c;--radius: 14px;--shadow: 0 18px 48px rgba(0, 0, 0, .55);--font-display: "Chakra Petch", ui-sans-serif, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace}*{box-sizing:border-box}body{margin:0;overflow:hidden;background:var(--void);color:var(--ink);font-family:var(--font-display)}button,input,textarea{font:inherit;color:inherit}.stage{position:relative;width:100vw;height:100vh}.viewport{position:absolute;top:0;right:0;bottom:0;left:0}.viewport canvas{display:block;width:100%;height:100%}.hud{position:absolute;z-index:10}.hud-brand{top:20px;left:20px;display:flex;align-items:center;gap:14px;padding:10px 16px 10px 10px;background:var(--glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--edge);border-radius:var(--radius);box-shadow:var(--shadow)}.brand-mark{display:grid;place-items:center;width:38px;height:38px;font-size:19px;font-weight:700;color:var(--mint-deep);background:linear-gradient(145deg,var(--mint),#4cc98a);border-radius:10px}.brand-copy{display:grid;gap:1px}.brand-kicker{color:var(--ink-dim);font-size:10px;letter-spacing:.18em;text-transform:uppercase}.hud-brand h1{margin:0;font-size:17px;font-weight:600;letter-spacing:.01em}.status-chip{display:flex;align-items:center;gap:7px;max-width:320px;margin-left:8px;padding:6px 12px;font-family:var(--font-mono);font-size:11px;color:var(--ink-dim);background:#0000004d;border:1px solid var(--edge);border-radius:999px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.status-dot{flex-shrink:0;width:7px;height:7px;background:var(--mint);border-radius:50%}.status-chip[data-tone=busy] .status-dot{background:var(--amber);animation:pulse 1.1s ease-in-out infinite}.status-chip[data-tone=error] .status-dot{background:var(--rose)}.status-chip[data-tone=error]{color:var(--rose)}@keyframes pulse{50%{opacity:.35}}.hud-actions{top:20px;right:88px;display:flex;gap:8px}.action{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;font-size:13px;font-weight:600;letter-spacing:.03em;background:var(--glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--edge);border-radius:999px;box-shadow:var(--shadow);cursor:pointer;transition:border-color .14s ease,transform .14s ease,background .14s ease}.action svg{width:15px;height:15px}.action:hover:not(:disabled){border-color:var(--edge-bright);transform:translateY(-1px)}.action.primary{color:var(--mint-deep);background:linear-gradient(145deg,var(--mint),#4cc98a);border-color:transparent}.action.primary:hover:not(:disabled){filter:brightness(1.08)}.action:disabled{opacity:.4;cursor:not-allowed}.action.full{justify-content:center;width:100%;border-radius:10px}.rail{top:50%;right:20px;display:flex;flex-direction:column;gap:4px;padding:8px;background:var(--glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--edge);border-radius:999px;box-shadow:var(--shadow);transform:translateY(-50%)}.rail-button,.view-controls button{display:grid;place-items:center;width:42px;height:42px;color:var(--ink-dim);background:transparent;border:0;border-radius:50%;cursor:pointer;transition:color .14s ease,background .14s ease}.rail-button svg,.view-controls svg{width:19px;height:19px}.rail-button:hover,.view-controls button:hover{color:var(--ink);background:#7df0b814}.rail-button.active{color:var(--mint-deep);background:var(--mint)}.view-controls{right:20px;bottom:20px;display:flex;flex-direction:column;gap:2px;padding:6px;background:var(--glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--edge);border-radius:999px;box-shadow:var(--shadow)}.view-controls button{width:36px;height:36px}.hud-stats{bottom:20px;left:20px;display:flex;gap:6px}.stat{display:flex;align-items:baseline;gap:7px;padding:8px 13px;background:var(--glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--edge);border-radius:10px}.stat span{color:var(--ink-dim);font-size:10px;letter-spacing:.14em;text-transform:uppercase}.stat strong{font-family:var(--font-mono);font-size:12px;font-weight:500}.stat.warn strong{color:var(--amber)}.panel[hidden]{display:none}.panel{position:absolute;top:50%;right:88px;z-index:20;display:flex;flex-direction:column;width:340px;max-height:min(640px,calc(100vh - 120px));background:var(--glass-strong);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--edge);border-radius:var(--radius);box-shadow:var(--shadow);transform:translateY(-50%);animation:panel-in .18s ease}.panel.wide{width:480px}@keyframes panel-in{0%{opacity:0;transform:translateY(calc(-50% + 8px))}}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 10px;border-bottom:1px solid var(--edge)}.panel-header h2{margin:0;font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-dim)}.panel-close{display:grid;place-items:center;width:26px;height:26px;color:var(--ink-dim);background:transparent;border:0;border-radius:8px;cursor:pointer}.panel-close:hover{color:var(--ink);background:#ffffff0f}.panel-close svg{width:14px;height:14px}.panel-body{display:flex;flex-direction:column;gap:10px;padding:14px 16px 16px;overflow:auto}.mini-form{display:grid;gap:8px}input,textarea{width:100%;padding:9px 12px;font-size:13px;background:#00000059;border:1px solid var(--edge);border-radius:10px;outline:none;transition:border-color .14s ease}input::placeholder,textarea::placeholder{color:#5d736b}input:focus,textarea:focus{border-color:var(--edge-bright)}textarea{min-height:70px;resize:vertical}#scene-source{min-height:380px;font-family:var(--font-mono);font-size:12px;line-height:1.5;white-space:pre}.list{display:grid;gap:6px}.row,.pill{width:100%;padding:9px 12px;font-size:13px;text-align:left;background:#ffffff08;border:1px solid var(--edge);border-radius:10px}.row{cursor:pointer;transition:border-color .14s ease,background .14s ease}.row:hover{background:#7df0b80f}.row.active{border-color:var(--edge-bright);background:#7df0b81a}.pill{display:grid;gap:2px}.pill strong{font-size:12px}.pill span{font-family:var(--font-mono);font-size:11px;color:var(--ink-dim);overflow-wrap:anywhere}@media(max-width:760px){.hud-actions{top:auto;right:88px;bottom:20px}.action span,.hud-stats{display:none}.panel,.panel.wide{right:76px;width:calc(100vw - 96px)}}