:root{color-scheme:dark;--bg: #04060a;--fg: #d8e1ec;--hud-bg: rgba(8, 12, 18, .78);--hud-bg-strong: rgba(8, 12, 18, .92);--hud-border: rgba(120, 170, 255, .18);--accent: #76b6ff;--warn: #ffae5a;--danger: #ff5c5c;--shadow: 0 6px 24px rgba(0, 0, 0, .45);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;width:100%;height:100%;background:var(--bg);color:var(--fg);overflow:hidden;overscroll-behavior:none}#gargantua-canvas{position:fixed;inset:0;width:100vw;height:100vh;display:block;background:#000;cursor:grab;touch-action:none}#gargantua-canvas:active{cursor:grabbing}#overlay-root{position:fixed;inset:0;pointer-events:none;z-index:30}.overlay-message{position:absolute;left:50%;bottom:16%;transform:translate(-50%);padding:14px 22px;background:var(--hud-bg-strong);color:var(--warn);border:1px solid var(--hud-border);border-radius:10px;box-shadow:var(--shadow);font-size:14px;letter-spacing:.02em;pointer-events:auto}.overlay-message button{margin-left:12px;background:transparent;color:var(--accent);border:1px solid var(--accent);border-radius:6px;padding:4px 10px;cursor:pointer;font:inherit}.overlay-message.danger{color:var(--danger)}.overlay-message.danger button{color:var(--danger);border-color:var(--danger)}.hud{position:fixed;top:12px;right:12px;width:320px;max-height:calc(100vh - 24px);overflow-y:auto;background:var(--hud-bg);color:var(--fg);border:1px solid var(--hud-border);border-radius:12px;box-shadow:var(--shadow);padding:12px 14px;font-size:12px;line-height:1.4;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:20;transition:transform .2s ease,opacity .2s ease}.hud.collapsed{transform:translate(calc(100% + 24px));opacity:0}.hud h1{font-size:13px;margin:0 0 4px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}.hud h2{font-size:11px;margin:14px 0 6px;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);border-top:1px solid var(--hud-border);padding-top:8px}.hud .row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:6px;margin-bottom:4px}.hud .row label{font-size:11px;color:var(--fg);opacity:.9}.hud .row .value{font-variant-numeric:tabular-nums;font-size:11px;color:var(--accent)}.hud .control{display:grid;grid-template-columns:1fr 56px;gap:6px;align-items:center;margin-bottom:6px}.hud .control input[type=range]{width:100%;accent-color:var(--accent)}.hud .control .num{font-size:11px;color:var(--accent);font-variant-numeric:tabular-nums;text-align:right}.hud .buttons{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin-top:8px}.hud .buttons button{font:inherit;font-size:11px;padding:6px 8px;background:#76b6ff14;color:var(--fg);border:1px solid var(--hud-border);border-radius:6px;cursor:pointer;transition:background .12s ease,border-color .12s ease}.hud .buttons button:hover{background:#76b6ff2e;border-color:var(--accent)}.hud .buttons button.active{background:#76b6ff47;border-color:var(--accent)}.hud .hint{font-size:10px;opacity:.7;margin-top:6px}.hud .debug-list{margin-top:4px;font-size:10px;display:grid;grid-template-columns:repeat(5,1fr);gap:4px}.hud .debug-list button{font:inherit;padding:3px 4px;background:#ffffff0a;border:1px solid var(--hud-border);border-radius:4px;color:var(--fg);cursor:pointer}.hud .debug-list button.active{background:var(--accent);color:#000;border-color:var(--accent)}.hud .hud-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.hud .hud-toggle{background:transparent;border:1px solid var(--hud-border);border-radius:6px;color:var(--fg);cursor:pointer;padding:2px 8px;font-size:11px}.fab{position:fixed;top:12px;right:12px;z-index:25;background:var(--hud-bg);border:1px solid var(--hud-border);border-radius:8px;color:var(--accent);font-size:12px;padding:6px 10px;cursor:pointer;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.hud.mobile{width:min(360px,calc(100vw - 24px))}@media (max-width: 768px){.hud{inset:auto 12px 12px;width:auto;max-height:50vh}.hud.collapsed{transform:translateY(calc(100% + 24px))}}