/* CSS Variables for Light and Dark Mode */
:root {
  /* Light Mode (default) - White-Blue Theme */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  --color-primary-bg: #eff6ff;

  --color-bg: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #f1f5f9;

  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;

  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  --color-success: #10b981;
  --color-success-bg: #d1fae5;
  --color-warning: #f59e0b;
  --color-warning-bg: #fef3c7;
  --color-error: #ef4444;
  --color-error-bg: #fee2e2;
  --color-info: #3b82f6;
  --color-info-bg: #dbeafe;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-full: 9999px;

  --header-height: 60px;
  --sidebar-width: 280px;
  --footer-height: 60px;

  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-primary-light: #60a5fa;
    --color-primary-bg: #1e3a5f;

    --color-bg: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #334155;

    --color-text: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;

    --color-border: #334155;
    --color-border-light: #1e293b;

    --color-success: #34d399;
    --color-success-bg: #064e3b;
    --color-warning: #fbbf24;
    --color-warning-bg: #78350f;
    --color-error: #f87171;
    --color-error-bg: #7f1d1d;
    --color-info: #60a5fa;
    --color-info-bg: #1e3a5f;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.4);
  }
}

/* Manual theme override */
[data-theme="light"] {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  --color-primary-bg: #eff6ff;
  --color-bg: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #f1f5f9;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-success: #10b981;
  --color-success-bg: #d1fae5;
  --color-warning: #f59e0b;
  --color-warning-bg: #fef3c7;
  --color-error: #ef4444;
  --color-error-bg: #fee2e2;
  --color-info: #3b82f6;
  --color-info-bg: #dbeafe;
}

[data-theme="dark"] {
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-primary-light: #60a5fa;
  --color-primary-bg: #1e3a5f;
  --color-bg: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-tertiary: #334155;
  --color-text: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-border: #334155;
  --color-border-light: #1e293b;
  --color-success: #34d399;
  --color-success-bg: #064e3b;
  --color-warning: #fbbf24;
  --color-warning-bg: #78350f;
  --color-error: #f87171;
  --color-error-bg: #7f1d1d;
  --color-info: #60a5fa;
  --color-info-bg: #1e3a5f;
}