:root {
  --font-family: 'Vazirmatn', Tahoma, 'Segoe UI', Arial, sans-serif;
  --sidebar-width: 260px;
  --header-height: 64px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --transition: 0.2s ease;

  --color-primary: #c41e3a;
  --color-primary-dark: #9a1830;
  --color-primary-light: #fde8ec;
  --color-accent: #1a365d;
  --color-success: #16a34a;
  --color-warning: #d97706;
  --color-danger: #dc2626;
  --color-info: #2563eb;

  --bg-body: #f4f6f9;
  --bg-sidebar: #1a2332;
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  --bg-hover: #f0f2f5;
  --bg-muted: #e8ecf1;

  --text-primary: #1a1a2e;
  --text-secondary: #5c6370;
  --text-muted: #8b939f;
  --text-inverse: #ffffff;
  --text-sidebar: #c8d0db;
  --text-sidebar-active: #ffffff;

  --border-color: #dde2ea;
  --border-focus: var(--color-primary);
}

[data-theme="dark"] {
  --bg-body: #0f1419;
  --bg-sidebar: #0a0e14;
  --bg-card: #1a2332;
  --bg-input: #242d3d;
  --bg-hover: #2a3548;
  --bg-muted: #1e2736;

  --text-primary: #e8ecf1;
  --text-secondary: #a0a8b4;
  --text-muted: #6b7280;
  --text-sidebar: #8b939f;

  --border-color: #2a3548;
  --color-primary-light: #3d1520;
}