:root{color-scheme:dark;--bg-top: #08131d;--bg-mid: #0f2431;--bg-bottom: #102e3c;--ink: #e9fdff;--panel: rgba(10, 23, 33, .82);--stroke: rgba(127, 237, 255, .35);--accent: #78f4ff}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Chakra Petch,Trebuchet MS,sans-serif;color:var(--ink);background:radial-gradient(circle at 16% 20%,rgba(105,181,255,.2) 0%,transparent 32%),radial-gradient(circle at 84% 18%,rgba(0,200,176,.22) 0%,transparent 30%),linear-gradient(180deg,var(--bg-top) 0%,var(--bg-mid) 55%,var(--bg-bottom) 100%)}body:before{content:"";position:fixed;inset:0;pointer-events:none;background:linear-gradient(transparent 95%,#82ffff14),repeating-linear-gradient(90deg,rgba(168,250,255,.05) 0 1px,transparent 1px 56px);mix-blend-mode:screen;animation:drift 14s linear infinite}#app{min-height:100vh;display:grid;place-items:center;padding:18px}.desktop-only-shell{width:100%;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:16px}.desktop-only-card{width:min(620px,100%);border-radius:18px;border:1px solid var(--stroke);background:#0a1822db;box-shadow:0 22px 58px #00000073,inset 0 0 30px #79f5ff24;padding:34px 28px;text-align:center}#app.desktop-only-mode{width:100%;min-height:100dvh;padding:0;place-items:stretch}.desktop-only-card h1{margin:0 0 16px;font-size:clamp(2rem,7vw,3.2rem);color:#d8feff;text-shadow:0 0 20px rgba(120,244,255,.42)}.desktop-only-card p{margin:0;font-size:clamp(1rem,4.2vw,1.28rem);line-height:1.4}.desktop-only-hint{margin-top:10px!important;color:#88d8e6}.game-shell{width:min(1280px,100%);display:grid;grid-template-columns:minmax(0,3fr) minmax(280px,1fr);gap:16px;align-items:start}.game-shell.hud-hidden{grid-template-columns:1fr;width:min(900px,100%)}.game-shell.hud-hidden .hud-root{display:none}.game-shell.editor-layout,.game-shell.hud-hidden.editor-layout{grid-template-columns:minmax(0,3fr) minmax(320px,1fr);width:min(1320px,100%)}.game-root{position:relative;width:min(94vw,832px);aspect-ratio:13 / 9;border-radius:18px;border:1px solid var(--stroke);overflow:hidden;box-shadow:0 20px 60px #00000073,inset 0 0 35px #79f5ff1c;background:#040b11}.game-root canvas{width:100%!important;height:100%!important;image-rendering:pixelated}.editor-panel{position:absolute;top:12px;right:12px;z-index:8;width:min(360px,calc(100% - 24px));max-height:calc(100% - 24px);overflow-y:auto;border-radius:14px;border:1px solid rgba(120,238,255,.44);background:#06141feb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 18px 46px #00000070,inset 0 0 24px #74f7ff1a;padding:12px}.editor-root{min-width:320px;align-self:stretch}.editor-panel.is-docked{position:static;top:auto;right:auto;width:100%;max-height:none}.editor-panel h3{margin:0 0 10px;font-size:1.04rem;color:#d5fbff}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.editor-grid label{display:flex;flex-direction:column;gap:4px;font-size:.78rem;color:#8ed1df}.editor-grid label:nth-child(2){grid-column:1 / -1}.editor-grid input,.editor-grid select{width:100%;min-height:30px;border-radius:8px;border:1px solid rgba(127,237,255,.34);background:#0b1f2deb;color:#dbfbff;font-family:inherit;font-size:.83rem;padding:5px 8px}.editor-actions{margin-top:11px;display:grid;grid-template-columns:1fr 1fr;gap:8px}.editor-actions button{min-height:34px;border-radius:8px;border:1px solid rgba(126,236,255,.42);background:linear-gradient(180deg,#112f41f2,#0b1f2cf2);color:#d5fbff;font-family:inherit;font-size:.83rem;cursor:pointer}.editor-actions button:hover{border-color:#a0f4ffc7;box-shadow:0 0 14px #7af0ff38}.editor-export-status{min-height:18px;margin-top:8px;color:#99e3ef;font-size:.76rem}.editor-export-output{margin-top:6px;width:100%;min-height:120px;max-height:230px;display:none;border-radius:8px;border:1px solid rgba(126,236,255,.34);background:#081621f2;color:#d8fbff;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.74rem;line-height:1.35;resize:vertical;padding:8px}.editor-export-output.is-visible{display:block}.editor-tip{margin:8px 0 0;font-size:.72rem;color:#80bcc8;line-height:1.35}.hud-root{display:grid;gap:12px}.hud-root.is-hidden{display:none}.hud{display:grid;gap:12px}.hud-card{border-radius:14px;border:1px solid var(--stroke);background:var(--panel);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);padding:12px 14px;box-shadow:inset 0 0 25px #79f5ff14}.hud-card h2,.hud-card h3,.hud-card p{margin:0}.hud-card h2{font-size:1.15rem;letter-spacing:.02em;margin-bottom:8px}.hud-card h3{font-size:1rem;margin-bottom:6px;color:var(--accent)}.hud-card p{margin-bottom:5px;line-height:1.3;font-size:.94rem}.hud-card p:last-child{margin-bottom:0}.hud-device-controls{display:none;margin-top:10px;padding-top:8px;border-top:1px solid rgba(120,238,255,.24)}.hud-device-controls.is-visible{display:block}.hud-lighting-toggle{margin-top:10px;display:inline-flex;align-items:center;gap:9px;font-size:.95rem;color:#bff8ff}.hud-lighting-checkbox{width:17px;height:17px;accent-color:#79f4ff}@media(max-width:980px){.game-shell{grid-template-columns:1fr}.game-root{width:min(95vw,832px)}}@keyframes drift{0%{transform:translateY(0)}to{transform:translateY(56px)}}