/**
 * MiSeguroSP Design System
 * Design Tokens & CSS Variables
 * Version: 2.0
 */

:root {
   /* ========================================
     COLORS - BRAND
     ======================================== */
   --color-primary: #151e20;
   --color-primary-dark: #243b41;
   --color-primary-light: #ff6b66;

   /* RGB values for alpha transparency */
   --color-primary-rgb: 21, 30, 32;
   --color-primary-hsl: 190 21% 10%;

   --color-secondary: #1C2140;
   --color-secondary-dark: #0f1324;
   --color-secondary-light: #2d3353;

   --color-accent: #008FB9;
   --color-accent-dark: #00739a;
   --color-accent-light: #00aad4;
   --color-accent-hsl: 195 100% 36%;

   /* ========================================
     COLORS - NEUTRAL PALETTE
     ======================================== */
   --color-white: #FFFFFF;
   --color-black: #000000;

   --color-gray-50: #F9FAFB;
   --color-gray-100: #F3F4F6;
   --color-gray-200: #E5E7EB;
   --color-gray-300: #D1D5DB;
   --color-gray-400: #9CA3AF;
   --color-gray-500: #6B7280;
   --color-gray-600: #4B5563;
   --color-gray-700: #374151;
   --color-gray-800: #1F2937;
   --color-gray-900: #111827;

   /* Background colors */
   --color-bg-primary: #FFFFFF;
   --color-bg-secondary: #F3F3F3;
   --color-bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);

   /* ========================================
     TYPOGRAPHY
     ======================================== */
   --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
   --font-secondary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

   /* Font Sizes */
   --font-size-xs: 0.75rem;
   /* 12px */
   --font-size-sm: 0.875rem;
   /* 14px */
   --font-size-base: 1rem;
   /* 16px */
   --font-size-lg: 1.125rem;
   /* 18px */
   --font-size-xl: 1.25rem;
   /* 20px */
   --font-size-2xl: 1.5rem;
   /* 24px */
   --font-size-3xl: 1.875rem;
   /* 30px */
   --font-size-4xl: 2.25rem;
   /* 36px */
   --font-size-5xl: 3rem;
   /* 48px */

   /* Font Weights */
   --font-weight-light: 300;
   --font-weight-normal: 400;
   --font-weight-medium: 500;
   --font-weight-semibold: 600;
   --font-weight-bold: 700;
   --font-weight-extrabold: 800;

   /* Line Heights */
   --line-height-tight: 1.25;
   --line-height-normal: 1.5;
   --line-height-relaxed: 1.75;
   --line-height-loose: 2;

   /* ========================================
     SPACING SCALE
     ======================================== */
   --space-0: 0;
   --space-1: 0.25rem;
   /* 4px */
   --space-2: 0.5rem;
   /* 8px */
   --space-3: 0.75rem;
   /* 12px */
   --space-4: 1rem;
   /* 16px */
   --space-5: 1.25rem;
   /* 20px */
   --space-6: 1.5rem;
   /* 24px */
   --space-8: 2rem;
   /* 32px */
   --space-10: 2.5rem;
   /* 40px */
   --space-12: 3rem;
   /* 48px */
   --space-16: 4rem;
   /* 64px */
   --space-20: 5rem;
   /* 80px */
   --space-24: 6rem;
   /* 96px */

   /* ========================================
     SHADOWS
     ======================================== */
   --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
   --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
   --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
   --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
   --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
   --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

   /* Colored shadows */
   --shadow-primary: 0 10px 15px -3px rgba(228, 38, 32, 0.2);
   --shadow-accent: 0 10px 15px -3px rgba(0, 143, 185, 0.2);

   /* ========================================
     BORDER RADIUS
     ======================================== */
   --radius-none: 0;
   --radius-sm: 0.375rem;
   /* 6px */
   --radius-md: 0.5rem;
   /* 8px */
   --radius-lg: 0.75rem;
   /* 12px */
   --radius-xl: 1rem;
   /* 16px */
   --radius-2xl: 1.5rem;
   /* 24px */
   --radius-3xl: 2rem;
   /* 32px */
   --radius-full: 9999px;

   /* ========================================
     TRANSITIONS & ANIMATIONS
     ======================================== */
   --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
   --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
   --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
   --transition-slowest: 500ms 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);

   /* ========================================
     Z-INDEX SCALE
     ======================================== */
   --z-base: 0;
   --z-dropdown: 1000;
   --z-sticky: 1020;
   --z-fixed: 1030;
   --z-modal-backdrop: 1040;
   --z-modal: 1050;
   --z-popover: 1060;
   --z-tooltip: 1070;

   /* ========================================
     BREAKPOINTS (for reference in media queries)
     ======================================== */
   --breakpoint-sm: 576px;
   --breakpoint-md: 768px;
   --breakpoint-lg: 992px;
   --breakpoint-xl: 1200px;
   --breakpoint-2xl: 1400px;

   --container-2xl: 1320px;

   /* ========================================
     SEMANTIC COLORS (Theme Base)
     ======================================== */
   --bg-body: var(--color-bg-gradient);
   --bg-surface: var(--color-white);
   --bg-surface-secondary: var(--color-gray-50);
   --text-main: var(--color-gray-900);
   --text-detail: var(--color-gray-600);
   --border-color: var(--color-gray-200);
}

/* ========================================
   DARK MODE
   ======================================== */
[data-theme="dark"] {
   /* Brand Colors (Adjusted for Dark) */
   --color-primary: #ff6b66;
   /* Lighter primary for dark bg */
   --color-primary-dark: #e42620;

   --color-secondary: #a0aec0;
   --color-secondary-dark: #cbd5e0;
   /* Lighter for text/icons */

   /* Invert Grayscale (gray-50 is dark, gray-900 is light) */
   --color-gray-50: #0f172a;
   /* Slate 950 */
   --color-gray-100: #1e293b;
   /* Slate 800 */
   --color-gray-200: #334155;
   /* Slate 700 */
   --color-gray-300: #475569;
   /* Slate 600 */
   --color-gray-400: #64748b;
   /* Slate 500 */
   --color-gray-500: #94a3b8;
   /* Slate 400 */
   --color-gray-600: #cbd5e0;
   /* Gray 300 - Text secondary */
   --color-gray-700: #e2e8f0;
   /* Gray 200 */
   --color-gray-800: #f1f5f9;
   /* Gray 100 */
   --color-gray-900: #f8fafc;
   /* Gray 50 - Text main */

   /* Semantic Overrides */
   --color-bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
   --bg-body: var(--color-bg-gradient);

   --bg-surface: #1e293b;
   /* Card BG */
   --bg-surface-secondary: #334155;

   --color-white: #ffffff;
   /* Keep white as white for text on buttons */
   --color-black: #000000;

   --text-main: var(--color-gray-900);
   --text-detail: var(--color-gray-600);
   --border-color: var(--color-gray-200);

   /* Shadow adjustments for dark mode */
   --shadow-sm: 0 1px 3px 1px rgba(0, 0, 0, 0.4);
   --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
   --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
   --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

html {
   transition: background-color 0.3s ease;
}

body {
   transition: background-color 0.3s ease, color 0.3s ease;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

/* Text Colors */
.text-primary {
   color: var(--color-primary) !important;
}

.text-secondary {
   color: var(--color-secondary) !important;
}

.text-accent {
   color: var(--color-accent) !important;
}

.text-white {
   color: var(--color-white) !important;
}

.text-dark {
   color: var(--text-main) !important;
}

.text-muted {
   color: var(--text-detail) !important;
}

.text-gray-500 {
   color: var(--color-gray-500) !important;
}

.text-gray-700 {
   color: var(--color-gray-700) !important;
}

/* Background Colors */
.bg-primary {
   background-color: var(--color-primary) !important;
}

.bg-secondary {
   background-color: var(--color-secondary) !important;
}

.bg-accent {
   background-color: var(--color-accent) !important;
}

.bg-white {
   background-color: var(--bg-surface) !important;
}

.bg-gray-50 {
   background-color: var(--color-gray-50) !important;
}

.bg-gray-100 {
   background-color: var(--color-gray-100) !important;
}

/* Shadows */
.shadow-sm {
   box-shadow: var(--shadow-sm) !important;
}

.shadow-md {
   box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
   box-shadow: var(--shadow-lg) !important;
}

.shadow-xl {
   box-shadow: var(--shadow-xl) !important;
}

/* Border Radius */
.rounded-sm {
   border-radius: var(--radius-sm) !important;
}

.rounded-md {
   border-radius: var(--radius-md) !important;
}

.rounded-lg {
   border-radius: var(--radius-lg) !important;
}

.rounded-xl {
   border-radius: var(--radius-xl) !important;
}

.rounded-2xl {
   border-radius: var(--radius-2xl) !important;
}

.rounded-full {
   border-radius: var(--radius-full) !important;
}