/*
 * Aabo Home Design System
 * Based on Stability Template with modern CSS custom properties
 * Following HTML & CSS Best-Practices Rule Set
 */

/* ==========================================================================
   Design Tokens - Root Variables
   ========================================================================== */

:root {
  /* Colors - Primary Palette */
  --primary-color: #dc2a0b;
  --primary-hover: #c4250a;
  --primary-dark: #ab2109;
  --secondary-color: #2f2f2f;
  --secondary-light: #6d6d6d;
  
  /* Semantic Colors */
  --success-color: #4bc050;
  --danger-color: #d9534f;
  --warning-color: #fbaa2a;
  --info-color: #49b9db;
  
  /* Text Colors */
  --text-primary: #2f2f2f;
  --text-secondary: #6d6d6d;
  --text-muted: #999999;
  --text-light: #ffffff;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-surface: #ffffff;
  --bg-dark: #2f2f2f;
  --bg-overlay: rgba(0, 0, 0, 0.55);
  
  /* Border Colors */
  --border-color: #e0e0e0;
  --border-light: #f0f0f0;
  --border-dark: #cccccc;
  
  /* Typography Scale */
  --font-family-base: 'Muli', sans-serif;
  --font-family-heading: 'Oswald', sans-serif;
  --font-family-accent: 'Anton', sans-serif;
  
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.8125rem;  /* 13px */
  --font-size-base: 0.875rem; /* 14px */
  --font-size-md: 1rem;       /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 2rem;      /* 32px */
  
  --line-height-base: 1.6;
  --line-height-heading: 1.2;
  
  /* Spacing Scale */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */
  --spacing-3xl: 4rem;     /* 64px */
  
  /* Border Radius */
  --border-radius-sm: 0.125rem;  /* 2px */
  --border-radius-md: 0.25rem;   /* 4px */
  --border-radius-lg: 0.375rem;  /* 6px */
  --border-radius-xl: 0.5rem;    /* 8px */
  --border-radius-full: 50rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

html {
  overflow-x: hidden;
  overflow-y: auto;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-base);
  margin: 0;
}

/* ==========================================================================
   Typography Utilities
   ========================================================================== */

.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-family-heading);
  font-weight: normal;
  line-height: var(--line-height-heading);
  margin: 0 0 1em 0;
  color: var(--text-primary);
  text-transform: uppercase;
}

.h1 { font-size: var(--font-size-3xl); }
.h2 { font-size: var(--font-size-2xl); }
.h3 { font-size: var(--font-size-xl); }
.h4 { font-size: var(--font-size-lg); }
.h5 { font-size: var(--font-size-md); }
.h6 { font-size: var(--font-size-base); }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-light { color: var(--text-light); }

.font-weight-normal { font-weight: 400; }
.font-weight-medium { font-weight: 500; }
.font-weight-semibold { font-weight: 600; }
.font-weight-bold { font-weight: 700; }

/* ==========================================================================
   Layout Utilities
   ========================================================================== */

.grid {
  display: grid;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* Margin Utilities */
.m-xs { margin: var(--spacing-xs); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }

/* Padding Utilities */
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* ==========================================================================
   Component Base Classes
   ========================================================================== */

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid transparent;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(to bottom, var(--primary-color) 0%, var(--primary-hover) 100%);
  border-color: var(--primary-hover);
  color: var(--text-light);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--text-light);
  text-decoration: none;
}

/* Cards */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-body {
  padding: var(--spacing-lg);
}

/* Form Controls */
.form-control {
  display: block;
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-control:focus {
  border-color: var(--primary-color);
  outline: 0;
  box-shadow: 0 0 0 2px rgba(220, 42, 11, 0.15);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .lg\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --text-secondary: #000000;
  }
}