:root{--hud-bg: rgba(10, 14, 22, .72);--hud-bg-solid: #0d1420;--hud-border: rgba(140, 190, 255, .16);--hud-text: #d7e3f4;--hud-dim: #8fa3bd;--hud-accent: #ffb457;--hud-accent-2: #6fd3ff}.hud{position:fixed;top:16px;right:16px;width:320px;max-width:calc(100vw - 32px);max-height:calc(100vh - 32px);overflow-y:auto;overscroll-behavior:contain;box-sizing:border-box;padding:14px 14px 10px;border:1px solid var(--hud-border);border-radius:14px;background:var(--hud-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:var(--hud-text);font-size:12px;line-height:1.45;user-select:none;z-index:10}.hud::-webkit-scrollbar{width:6px}.hud::-webkit-scrollbar-thumb{background:#8cbeff40;border-radius:3px}.hud-header{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;margin-bottom:10px}.hud-title{margin:0;font-size:15px;letter-spacing:.22em;font-weight:600;color:var(--hud-accent)}.hud-sub{margin:2px 0 0;font-size:10px;letter-spacing:.08em;color:var(--hud-dim)}.hud-icon-btn{border:1px solid var(--hud-border);background:transparent;color:var(--hud-dim);border-radius:8px;padding:3px 9px;font-size:11px;cursor:pointer}.hud-icon-btn:hover{color:var(--hud-text);border-color:var(--hud-accent-2)}.hud-section{border-top:1px solid rgba(140,190,255,.1);padding:10px 0}.hud-heading{margin:0 0 8px;font-size:10.5px;font-weight:600;letter-spacing:.14em;color:var(--hud-dim);text-transform:uppercase}.hud-kv{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:4px 0;color:var(--hud-dim)}.hud-value{color:var(--hud-text);text-align:right}.hud-btn-row{display:flex;flex-wrap:wrap;gap:6px}.hud-btn{border:1px solid var(--hud-border);background:#ffffff0a;color:var(--hud-text);border-radius:8px;padding:4px 10px;font-size:11px;cursor:pointer;transition:border-color .15s,background .15s}.hud-btn:hover{border-color:var(--hud-accent-2)}.hud-btn.is-active{border-color:var(--hud-accent);background:#ffb45724;color:var(--hud-accent)}.hud-btn.is-live{border-color:var(--hud-accent-2);background:#6fd3ff1f;color:var(--hud-accent-2)}.hud-btn-warn:hover{border-color:#ff7d6b;color:#ff9d8e}.hud-btn-grid,.hud-debug-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.hud-debug-btn{display:flex;align-items:center;gap:7px;border:1px solid var(--hud-border);background:#ffffff08;color:var(--hud-text);border-radius:8px;padding:4px 7px;font-size:10.5px;cursor:pointer;text-align:left;overflow:hidden;white-space:nowrap}.hud-debug-btn:hover{border-color:var(--hud-accent-2)}.hud-debug-btn.is-active{border-color:var(--hud-accent);background:#ffb45724}.hud-debug-num{flex:none;width:16px;height:16px;border-radius:5px;background:#6fd3ff29;color:var(--hud-accent-2);font-weight:700;display:inline-flex;align-items:center;justify-content:center;font-size:10px}.hud-debug-name{overflow:hidden;text-overflow:ellipsis}.param{display:grid;grid-template-columns:1fr auto;grid-template-areas:"label value" "range range";gap:1px 8px;margin:7px 0}.param-label{grid-area:label;color:var(--hud-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.param-value{grid-area:value;color:var(--hud-accent-2);font-variant-numeric:tabular-nums}.param-range{grid-area:range;width:100%;margin:2px 0 0;height:18px;-webkit-appearance:none;appearance:none;background:transparent;cursor:pointer}.param-range::-webkit-slider-runnable-track{height:3px;border-radius:2px;background:#8cbeff38}.param-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:12px;height:12px;margin-top:-4.5px;border-radius:50%;background:var(--hud-accent);border:none}.param-range::-moz-range-track{height:3px;border-radius:2px;background:#8cbeff38}.param-range::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:var(--hud-accent);border:none}.hud-keys{margin:10px 0 2px;padding:0;list-style:none;color:var(--hud-dim);font-size:10.5px}.hud-keys li{margin:2px 0}.hud-collapsed{position:fixed;top:16px;right:16px;display:flex;gap:8px;align-items:center;z-index:10}.hud-chip{border:1px solid var(--hud-border);background:var(--hud-bg);backdrop-filter:blur(8px);color:var(--hud-text);border-radius:999px;padding:5px 12px;font-size:11px;cursor:pointer}.hud-chip-dim{color:var(--hud-dim);cursor:default}.stage{position:fixed;inset:0}.stage canvas{display:block;width:100%;height:100%;touch-action:none}.overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:20;pointer-events:none}.overlay-card{border:1px solid var(--hud-border);background:var(--hud-bg-solid);color:var(--hud-text);border-radius:12px;padding:14px 22px;font-size:13px;letter-spacing:.04em;text-align:center;max-width:80vw}.overlay-card strong{color:var(--hud-accent)}@media (max-width: 720px){.hud{inset:auto 10px 10px;width:auto;max-height:46vh;border-radius:14px}.hud-collapsed{inset:auto 12px 14px;justify-content:space-between}}