@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root{
  --bg:#f5f7fa; --surface:#ffffff; --text:#0f172a; --muted:#64748b;
  --ring:#e2e8f0; --shadow:0 2px 8px rgba(0,0,0,.06);
  --primary:#2563eb; --primary-contrast:#ffffff;
  --sidebar:#1e3a5f; --sidebar-text:#e5e7eb; --sidebar-muted:#94a3b8;
  --sidebar-width:280px; --radius:12px;
}
*{box-sizing:border-box} html,body{margin:0}
body{font-family:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color:var(--text); background:var(--bg); line-height:1.5}
a{color:inherit; text-decoration:none}