:root{--panel-bg: rgba(12, 14, 18, .85);--panel-border: #3a4552;--accent: #4fc3f7;--danger: #ff5252;--ok: #69f0ae;--text: #e8eef2;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%;background:#0a0c0f;color:var(--text);font-family:Segoe UI,system-ui,sans-serif;overflow:hidden}#app{position:relative;width:100vw;height:100vh}#scene-canvas{position:absolute;inset:0;display:block;width:100%;height:100%}#ui-root{position:absolute;inset:0;pointer-events:none}#ui-root>*{pointer-events:auto}.panel{background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:6px;padding:10px 14px;backdrop-filter:blur(4px);font-size:13px}.hud-status{position:absolute;top:12px;left:12px;max-width:320px}.hud-status h1{margin:0 0 4px;font-size:14px;color:var(--accent)}.hud-status p{margin:2px 0;opacity:.85}