:root{color-scheme:dark;--bg: #0a0a0d;--bg-raised: #121218;--bg-sunken: #08080b;--line: #23232d;--line-soft: #1a1a22;--ink: #ecebf0;--ink-dim: #9b9aa8;--ink-faint: #6a6976;--accent: #e0b46a;--accent-ink: #17130b;--radius: 10px;--font-ui: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:var(--font-ui);font-size:14px;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit;color:inherit}.topbar{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding:12px 20px;background:linear-gradient(180deg,#131319,#0d0d12);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px}.brand__mark{width:22px;height:22px;border-radius:50%;background:radial-gradient(circle at 50% 50%,#0b0b0d 0 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