:root{--bg: #0f1216;--bg2: #151a21;--card: #171d26;--card2: #1e2632;--text: #e8edf2;--muted: #8a97a6;--border: #262f3b;--accent: #e6b800;--accent-soft: #6b5a00;--blue: #4aa8ff;--danger: #ff5c6c;--ok: #37d67a;--radius: 12px;--shadow: 0 6px 24px rgba(0, 0, 0, .35)}html.light{--bg: #f3f5f8;--bg2: #e9edf2;--card: #ffffff;--card2: #f1f4f8;--text: #182028;--muted: #5b6672;--border: #d8dee6;--accent: #c79a00;--accent-soft: #f2e2a0;--blue: #1f77d0;--shadow: 0 4px 18px rgba(20, 30, 45, .12)}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:radial-gradient(1200px 600px at 50% -10%,var(--bg2),var(--bg)) fixed;color:var(--text);-webkit-font-smoothing:antialiased}.app{max-width:1080px;margin:0 auto;padding:16px 16px 64px}.app-header{display:flex;align-items:center;justify-content:space-between;margin:4px 2px 14px}.app-header 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