:root{--bg:#06080b;--panel:#0a0e12b8;--border:#8caabe38;--text:#c9d4dc;--dim:#6f7f8a;--accent:#4fd1c5;--green:#5ee27a;--amber:#f0b429;--red:#ff5a5f;--mono:"JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;--sans:"Inter", system-ui, -apple-system, "Segoe UI", sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);font-family:var(--sans);margin:0;font-size:13px;overflow:hidden}#app{position:fixed;inset:0}#app canvas{display:block}.label-layer{pointer-events:none;position:absolute;inset:0}.label{font:11px var(--mono);color:#e6edf2;border:1px solid var(--border);white-space:nowrap;pointer-events:auto;cursor:help;background:#080c10a6;border-radius:3px;padding:1px 5px}.label.behind{opacity:.3}.label.lesion{color:var(--amber);border-color:#f0b42980}.panel{background:var(--panel);border:1px solid var(--border);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:6px;position:absolute}.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}#hud-top{align-items:center;gap:14px;padding:8px 12px;display:flex;top:12px;left:12px}#hud-top .title{letter-spacing:.08em;font-size:12px;font-weight:600}.tag{font:11px var(--mono);border:1px solid var(--border);color:var(--dim);border-radius:3px;padding:2px 6px}.tag.on{color:var(--accent);border-color:var(--accent)}.tag.xray{color:var(--amber);border-color:var(--amber)}#hud-help{padding:8px 12px;font-size:12px;display:none;top:60px;left:12px}#hud-help.show{display:block}#hud-help td:first-child{font-family:var(--mono);color:var(--accent);white-space:nowrap;padding-right:14px}.help-btn{cursor:pointer;background:0 0}#hud-hints{max-width:calc(100% - 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