/*
 * Maxi Track - Modern Design System
 * A refined industrial aesthetic for package tracking & inventory management
 *
 * Design Philosophy: Sophisticated utility meets modern fintech
 * - Clean, structured grids with generous breathing room
 * - Warm accent colors that feel human, not corporate
 * - Bold typography that commands attention
 * - Subtle depth through shadows and layering
 */

/* ============================================
   IMPORTS - Typography
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ============================================
   CSS CUSTOM PROPERTIES - Design Tokens
   ============================================ */
:root {
  /* ----------------------------------------
     COLOR PALETTE - Light Mode (Default)
     ---------------------------------------- */

  /* Primary Brand - Maxi Track Orange (#E04D1A) */
  --color-primary-50: #fff2ea;
  --color-primary-100: #ffdfd0;
  --color-primary-200: #ffb99a;
  --color-primary-300: #ff8d5c;
  --color-primary-400: #f06d38;
  --color-primary-500: #E04D1A;
  --color-primary-600: #c24015;
  --color-primary-700: #a03410;
  --color-primary-800: #7e290c;
  --color-primary-900: #5e1f09;

  /* Brand Gradient (for special elements) */
  --gradient-brand: linear-gradient(135deg, #E04D1A 0%, #FFBE33 100%);

  /* Secondary - Deep Slate Blue */
  --color-secondary-50: #f6f7f9;
  --color-secondary-100: #eceef2;
  --color-secondary-200: #d5dae2;
  --color-secondary-300: #b0b9c9;
  --color-secondary-400: #8593ab;
  --color-secondary-500: #667590;
  --color-secondary-600: #515e77;
  --color-secondary-700: #434d61;
  --color-secondary-800: #3a4252;
  --color-secondary-900: #343a46;
  --color-secondary-950: #1e2229;

  /* Success - Emerald Green (for profit/positive) */
  --color-success-50: #ecfdf5;
  --color-success-100: #d1fae5;
  --color-success-200: #a7f3d0;
  --color-success-300: #6ee7b7;
  --color-success-400: #34d399;
  --color-success-500: #10b981;
  --color-success-600: #059669;
  --color-success-700: #047857;
  --color-success-800: #065f46;
  --color-success-900: #064e3b;

  /* Warning - Warm Amber */
  --color-warning-50: #fffbeb;
  --color-warning-100: #fef3c7;
  --color-warning-200: #fde68a;
  --color-warning-300: #fcd34d;
  --color-warning-400: #fbbf24;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;
  --color-warning-700: #b45309;
  --color-warning-800: #92400e;
  --color-warning-900: #78350f;

  /* Danger - Rich Red */
  --color-danger-50: #fef2f2;
  --color-danger-100: #fee2e2;
  --color-danger-200: #fecaca;
  --color-danger-300: #fca5a5;
  --color-danger-400: #f87171;
  --color-danger-500: #ef4444;
  --color-danger-600: #dc2626;
  --color-danger-700: #b91c1c;
  --color-danger-800: #991b1b;
  --color-danger-900: #7f1d1d;

  /* Info - Sky Blue */
  --color-info-50: #f0f9ff;
  --color-info-100: #e0f2fe;
  --color-info-200: #bae6fd;
  --color-info-300: #7dd3fc;
  --color-info-400: #38bdf8;
  --color-info-500: #0ea5e9;
  --color-info-600: #0284c7;
  --color-info-700: #0369a1;
  --color-info-800: #075985;
  --color-info-900: #0c4a6e;

  /* Neutrals - Warm Gray */
  --color-gray-50: #fafafa;
  --color-gray-100: #f5f5f4;
  --color-gray-200: #e7e5e4;
  --color-gray-300: #d6d3d1;
  --color-gray-400: #a8a29e;
  --color-gray-500: #78716c;
  --color-gray-600: #57534e;
  --color-gray-700: #44403c;
  --color-gray-800: #292524;
  --color-gray-900: #1c1917;
  --color-gray-950: #0c0a09;

  /* ----------------------------------------
     SEMANTIC COLORS - Light Mode
     ---------------------------------------- */

  /* Backgrounds */
  --bg-base: #fafaf9;
  --bg-surface: #ffffff;
  --bg-elevated: #ffffff;
  --bg-overlay: rgba(28, 25, 23, 0.5);
  --bg-subtle: var(--color-gray-100);
  --bg-muted: var(--color-gray-50);

  /* Foreground / Text */
  --text-primary: var(--color-gray-900);
  --text-secondary: var(--color-gray-600);
  --text-tertiary: var(--color-gray-500);
  --text-muted: var(--color-gray-400);
  --text-inverse: #ffffff;
  --text-link: var(--color-primary-600);
  --text-link-hover: var(--color-primary-700);

  /* Borders */
  --border-default: var(--color-gray-200);
  --border-subtle: var(--color-gray-100);
  --border-strong: var(--color-gray-300);
  --border-focus: var(--color-primary-500);

  /* Interactive States */
  --interactive-default: var(--color-primary-500);
  --interactive-hover: var(--color-primary-600);
  --interactive-active: var(--color-primary-700);
  --interactive-disabled: var(--color-gray-300);

  /* Status Indicators */
  --status-success: var(--color-success-500);
  --status-success-bg: var(--color-success-50);
  --status-warning: var(--color-warning-500);
  --status-warning-bg: var(--color-warning-50);
  --status-danger: var(--color-danger-500);
  --status-danger-bg: var(--color-danger-50);
  --status-info: var(--color-info-500);
  --status-info-bg: var(--color-info-50);

  /* ----------------------------------------
     TYPOGRAPHY
     ---------------------------------------- */

  /* Font Families */
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;

  /* Font Sizes - Using fluid scale */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.8125rem;    /* 13px */
  --text-base: 0.9375rem;  /* 15px */
  --text-lg: 1.0625rem;    /* 17px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */

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

  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;

  /* ----------------------------------------
     SPACING SCALE
     ---------------------------------------- */
  --space-0: 0;
  --space-px: 1px;
  --space-0-5: 0.125rem;   /* 2px */
  --space-1: 0.25rem;      /* 4px */
  --space-1-5: 0.375rem;   /* 6px */
  --space-2: 0.5rem;       /* 8px */
  --space-2-5: 0.625rem;   /* 10px */
  --space-3: 0.75rem;      /* 12px */
  --space-3-5: 0.875rem;   /* 14px */
  --space-4: 1rem;         /* 16px */
  --space-5: 1.25rem;      /* 20px */
  --space-6: 1.5rem;       /* 24px */
  --space-7: 1.75rem;      /* 28px */
  --space-8: 2rem;         /* 32px */
  --space-9: 2.25rem;      /* 36px */
  --space-10: 2.5rem;      /* 40px */
  --space-11: 2.75rem;     /* 44px */
  --space-12: 3rem;        /* 48px */
  --space-14: 3.5rem;      /* 56px */
  --space-16: 4rem;        /* 64px */
  --space-20: 5rem;        /* 80px */
  --space-24: 6rem;        /* 96px */
  --space-28: 7rem;        /* 112px */
  --space-32: 8rem;        /* 128px */

  /* ----------------------------------------
     BORDER RADIUS
     ---------------------------------------- */
  --radius-none: 0;
  --radius-sm: 0.25rem;    /* 4px */
  --radius-md: 0.375rem;   /* 6px */
  --radius-lg: 0.5rem;     /* 8px */
  --radius-xl: 0.75rem;    /* 12px */
  --radius-2xl: 1rem;      /* 16px */
  --radius-3xl: 1.5rem;    /* 24px */
  --radius-full: 9999px;

  /* ----------------------------------------
     SHADOWS - Layered depth system
     ---------------------------------------- */
  --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 -1px rgba(0, 0, 0, 0.1);
  --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);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);

  /* Colored shadows for elevated elements */
  --shadow-primary: 0 4px 14px 0 rgba(249, 109, 77, 0.25);
  --shadow-success: 0 4px 14px 0 rgba(16, 185, 129, 0.25);
  --shadow-warning: 0 4px 14px 0 rgba(245, 158, 11, 0.25);
  --shadow-danger: 0 4px 14px 0 rgba(239, 68, 68, 0.25);

  /* ----------------------------------------
     TRANSITIONS & ANIMATIONS
     ---------------------------------------- */
  --duration-75: 75ms;
  --duration-100: 100ms;
  --duration-150: 150ms;
  --duration-200: 200ms;
  --duration-300: 300ms;
  --duration-500: 500ms;
  --duration-700: 700ms;
  --duration-1000: 1000ms;

  --ease-linear: linear;
  --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);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* Common transitions */
  --transition-colors: color var(--duration-150) var(--ease-in-out),
                       background-color var(--duration-150) var(--ease-in-out),
                       border-color var(--duration-150) var(--ease-in-out);
  --transition-transform: transform var(--duration-200) var(--ease-out);
  --transition-shadow: box-shadow var(--duration-200) var(--ease-out);
  --transition-all: all var(--duration-200) var(--ease-in-out);

  /* ----------------------------------------
     Z-INDEX SCALE
     ---------------------------------------- */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-sidebar: 400;
  --z-modal-backdrop: 500;
  --z-modal: 600;
  --z-popover: 700;
  --z-tooltip: 800;
  --z-toast: 900;

  /* ----------------------------------------
     COMPONENT-SPECIFIC TOKENS
     ---------------------------------------- */

  /* Cards */
  --card-bg: var(--bg-surface);
  --card-border: var(--border-subtle);
  --card-radius: var(--radius-xl);
  --card-shadow: var(--shadow-sm);
  --card-shadow-hover: var(--shadow-md);
  --card-padding: var(--space-5);

  /* Buttons */
  --btn-height-sm: 2rem;       /* 32px */
  --btn-height-md: 2.5rem;     /* 40px */
  --btn-height-lg: 3rem;       /* 48px */
  --btn-radius: var(--radius-lg);
  --btn-font-weight: var(--font-semibold);

  /* Inputs */
  --input-height: 2.5rem;      /* 40px */
  --input-height-sm: 2rem;     /* 32px */
  --input-height-lg: 3rem;     /* 48px */
  --input-radius: var(--radius-lg);
  --input-border: var(--border-default);
  --input-bg: var(--bg-surface);
  --input-focus-ring: 0 0 0 3px rgba(249, 109, 77, 0.15);

  /* Tables */
  --table-header-bg: var(--bg-subtle);
  --table-row-hover: var(--bg-muted);
  --table-border: var(--border-subtle);

  /* Sidebar */
  --sidebar-width: 260px;
  --sidebar-width-collapsed: 72px;
  --sidebar-bg: var(--bg-surface);

  /* Header */
  --header-height: 64px;
  --header-bg: var(--bg-surface);
}

/* ============================================
   DARK MODE
   ============================================ */
[data-theme="dark"],
.dark {
  /* Backgrounds - Deep slate with warmth */
  --bg-base: #0f1115;
  --bg-surface: #1a1d23;
  --bg-elevated: #23272f;
  --bg-overlay: rgba(0, 0, 0, 0.7);
  --bg-subtle: #23272f;
  --bg-muted: #1a1d23;

  /* Text */
  --text-primary: #f5f5f4;
  --text-secondary: #a8a29e;
  --text-tertiary: #78716c;
  --text-muted: #57534e;
  --text-inverse: var(--color-gray-900);
  --text-link: var(--color-primary-400);
  --text-link-hover: var(--color-primary-300);

  /* Borders */
  --border-default: #2d3139;
  --border-subtle: #23272f;
  --border-strong: #3d424d;

  /* Shadows - More dramatic in dark mode */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.3);

  /* Status backgrounds - darker variants */
  --status-success-bg: rgba(16, 185, 129, 0.15);
  --status-warning-bg: rgba(245, 158, 11, 0.15);
  --status-danger-bg: rgba(239, 68, 68, 0.15);
  --status-info-bg: rgba(14, 165, 233, 0.15);

  /* Input focus ring */
  --input-focus-ring: 0 0 0 3px rgba(249, 109, 77, 0.25);

  /* Card */
  --card-bg: var(--bg-surface);
  --card-border: var(--border-subtle);

  /* Table */
  --table-header-bg: var(--bg-elevated);
  --table-row-hover: var(--bg-subtle);

  /* Sidebar & Header */
  --sidebar-bg: var(--bg-surface);
  --header-bg: var(--bg-surface);
}

/* ============================================
   BASE STYLES
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-base);
  transition: background-color var(--duration-300) var(--ease-in-out),
              color var(--duration-300) var(--ease-in-out);
}

/* ============================================
   TYPOGRAPHY STYLES
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--text-primary);
  margin: 0 0 var(--space-4) 0;
}

h1 {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  letter-spacing: var(--tracking-tight);
}

h2 {
  font-size: var(--text-3xl);
  letter-spacing: var(--tracking-tight);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
}

h6 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
}

p {
  margin: 0 0 var(--space-4) 0;
  color: var(--text-secondary);
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: var(--transition-colors);
}

a:hover {
  color: var(--text-link-hover);
}

small {
  font-size: var(--text-sm);
}

code, pre {
  font-family: var(--font-mono);
}

code {
  font-size: 0.9em;
  padding: var(--space-0-5) var(--space-1-5);
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  color: var(--color-primary-600);
}

pre {
  padding: var(--space-4);
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

pre code {
  padding: 0;
  background: none;
}

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

/* Text colors */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--status-success); }
.text-warning { color: var(--status-warning); }
.text-danger { color: var(--status-danger); }
.text-info { color: var(--status-info); }

/* Font weights */
.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

/* Font sizes */
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }

/* Backgrounds */
.bg-base { background-color: var(--bg-base); }
.bg-surface { background-color: var(--bg-surface); }
.bg-elevated { background-color: var(--bg-elevated); }
.bg-subtle { background-color: var(--bg-subtle); }

/* Spacing utilities */
.p-0 { padding: var(--space-0); }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.m-0 { margin: var(--space-0); }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }

/* Flexbox */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* Grid */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

/* Border radius */
.rounded-none { border-radius: var(--radius-none); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadows */
.shadow-xs { box-shadow: var(--shadow-xs); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Width & Height */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Text alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }

/* Transitions */
.transition { transition: var(--transition-all); }
.transition-colors { transition: var(--transition-colors); }
.transition-transform { transition: var(--transition-transform); }
.transition-shadow { transition: var(--transition-shadow); }

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(-5%);
    animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
  }
  50% {
    transform: translateY(0);
    animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
  }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Animation classes */
.animate-fade-in { animation: fadeIn var(--duration-300) var(--ease-out); }
.animate-fade-in-up { animation: fadeInUp var(--duration-300) var(--ease-out); }
.animate-fade-in-down { animation: fadeInDown var(--duration-300) var(--ease-out); }
.animate-slide-in-right { animation: slideInRight var(--duration-300) var(--ease-out); }
.animate-slide-in-left { animation: slideInLeft var(--duration-300) var(--ease-out); }
.animate-scale-in { animation: scaleIn var(--duration-200) var(--ease-spring); }
.animate-pulse { animation: pulse 2s var(--ease-in-out) infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-bounce { animation: bounce 1s infinite; }

/* Stagger animations */
.stagger-1 { animation-delay: 50ms; }
.stagger-2 { animation-delay: 100ms; }
.stagger-3 { animation-delay: 150ms; }
.stagger-4 { animation-delay: 200ms; }
.stagger-5 { animation-delay: 250ms; }
.stagger-6 { animation-delay: 300ms; }

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */
@media (min-width: 640px) {
  .sm\:flex { display: flex; }
  .sm\:hidden { display: none; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:flex-row { flex-direction: row; }
}

@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .lg\:flex { display: flex; }
  .lg\:hidden { display: none; }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

@media (min-width: 1280px) {
  .xl\:flex { display: flex; }
  .xl\:hidden { display: none; }
  .xl\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .xl\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .xl\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

/* ============================================
   FOCUS STATES - Accessibility
   ============================================ */
:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

/* Remove default focus for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-subtle);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-400);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-500);
}

/* Dark mode scrollbar */
[data-theme="dark"] ::-webkit-scrollbar-track,
.dark ::-webkit-scrollbar-track {
  background: var(--bg-elevated);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb,
.dark ::-webkit-scrollbar-thumb {
  background: var(--color-gray-600);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover,
.dark ::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-500);
}

/* ============================================
   SELECTION STYLING
   ============================================ */
::selection {
  background: var(--color-primary-200);
  color: var(--color-primary-900);
}

[data-theme="dark"] ::selection,
.dark ::selection {
  background: var(--color-primary-700);
  color: var(--color-primary-100);
}