:root{--bg: #090d12;--panel: #11161d;--panel-raised: #161d26;--border: #212b36;--text: #e8eef4;--text-muted: #7d8b9c;--text-faint: #4d5b6b;--cyan: #34d6d1;--amber: #f5a623;--red: #ff5c5c;--green: #3ddc84;--font-display: "Space Grotesk", sans-serif;--font-body: "Inter", sans-serif;--font-mono: "JetBrains Mono", monospace;--radius: 10px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased}a{color:var(--cyan)}button{font-family:inherit}:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}.app-shell{display:grid;grid-template-rows:auto 1fr;height:100%}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#0d1218,#090d12)}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:30px;height:30px;border-radius:8px;background:radial-gradient(circle at 30% 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