/* ==========================================================================
   PK CMS v1.0 — Theme System
   Global CSS Custom Properties
   ========================================================================== */

:root {
    /* ── Colors ── */
    --color-primary: #1e3a5f;
    --color-primary-light: #2a5298;
    --color-primary-dark: #142844;

    --color-secondary: #c8a951;
    --color-secondary-light: #d4bd72;
    --color-secondary-dark: #b09338;

    --color-accent: #e74c3c;

    /* ── Semantic ── */
    --color-success: #27ae60;
    --color-danger: #e74c3c;
    --color-warning: #f39c12;
    --color-info: #3498db;

    /* ── Gray Scale ── */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --gray-950: #030712;

    /* ── Background ── */
    --bg-body: #ffffff;
    --bg-section-alt: #f8f9fa;
    --bg-dark: #111827;
    --bg-overlay: rgba(0, 0, 0, 0.5);

    /* ── Text ── */
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;
    --text-light: #9ca3af;
    --text-white: #ffffff;
    --text-heading: #1e3a5f;

    /* ── Border Radius ── */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* ── Container Width ── */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1400px;

    /* ── Spacing ── */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* ── Shadows ── */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* ── Animation ── */
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
    --duration-slower: 700ms;

    --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

    /* ── Gradients ── */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    --gradient-dark: linear-gradient(135deg, rgba(30, 58, 95, 0.92) 0%, rgba(20, 40, 68, 0.85) 100%);
    --gradient-hero: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    --gradient-overlay: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.6) 100%);

    /* ── Z-Index ── */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-overlay: 400;
    --z-modal: 500;
    --z-toast: 600;
}