*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--brand:#1a56e8;--brand-600:#1a56e8;--brand-700:#1344c4;--brand-light:#ebf0fd;--brand-ring:#1a56e82e;--bg-page:#f3f4f6;--bg-card:#fff;--bg-subtle:#f9fafb;--surface-sunken:#f3f4f6;--tx-primary:#111827;--tx-secondary:#6b7280;--tx-muted:#9ca3af;--border:#e5e7eb;--border-soft:#f3f4f6;--border-strong:#d1d5db;--ok:#16a34a;--ok-bg:#f0fdf4;--ok-border:#86efac;--warn:#d97706;--warn-bg:#fffbeb;--warn-border:#fcd34d;--err:#dc2626;--err-bg:#fef2f2;--err-border:#fca5a5;--info:#2563eb;--info-bg:#eff6ff;--info-border:#93c5fd;--danger-bg:#fef2f2;--danger-text:#dc2626;--r-sm:6px;--r-md:8px;--r-lg:12px;--r-xl:16px;--r-full:9999px;--shadow-sm:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-md:0 4px 6px #00000012, 0 2px 4px #0000000d;--shadow-lg:0 10px 15px #00000014, 0 4px 6px #0000000d;--t-fast:.12s ease;--t-base:.2s ease;--t-slow:.3s ease;--topbar-h:56px;--sidebar-w:220px;--content-max:1200px;--font-mono:"SF Mono", "Fira Code", monospace}body{background:var(--bg-page);color:var(--tx-primary);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5}input,select,button,textarea{font-family:inherit}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:99px}.mono{font-family:var(--font-mono)}