:root {
  /* Colors */
  --color-primary: #007aff;
  --color-primary-hover: #005ecb;
  --color-background-light: #f8f9fa;
  --color-background-dark: #e9ecef;
  --color-surface: #ffffff;
  --color-text-primary: #212529;
  --color-text-secondary: #6c757d;
  --color-border: #dee2e6;
  --color-success: #198754;
  --color-danger: #dc3545;
  --color-danger-hover: #c82333;

  /* NEW: Warning color for expiring plans */
  --color-warning: #ff9800; /* A clear, friendly orange */

  --color-backdrop: rgba(0, 0, 0, 0.4);

  /* Typography */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 28px;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;

  /* Layout */
  --sidebar-width: 250px;
  --header-height: 65px;

  /* Borders & Shadows */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-speed: 0.25s;
}