/**
 * Legal SaaS Design System
 * Standardized CSS classes and design tokens for consistent UI
 */

/* ===== UTILITY OVERRIDES ===== */
/* Ensure hidden class works with grid layouts */
.hidden {
  display: none !important;
}

/* ===== CSS CUSTOM PROPERTIES (Design Tokens) ===== */
:root {
  /* Brand Colors */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-secondary: #64748b;
  --color-accent: #f59e0b;
  
  /* Law-specific Brand Colors */
  --color-law-navy: #1e3a8a;
  --color-law-gold: #f59e0b;
  --color-law-blue: #3b82f6;
  
  /* Semantic Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  
  /* Gray Scale */
  --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;
  
  /* 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 */
  --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-full: 9999px;
  
  /* Shadows */
  --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);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-card: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  
  /* Typography */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* ===== STANDARDIZED COMPONENT CLASSES ===== */

/* Card Components */
.card {
  background-color: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-gray-100);
}

.card-header {
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
  border-bottom: 1px solid var(--color-gray-200);
}

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

.card-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-200);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Button Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: var(--transition-base);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-hover) 0%, #1e40af 100%);
}

.btn-secondary {
  background-color: var(--color-gray-200);
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover {
  background-color: var(--color-gray-300);
}

.btn-success {
  background: linear-gradient(135deg, var(--color-success) 0%, #059669 100%);
  color: white;
}

.btn-warning {
  background: linear-gradient(135deg, var(--color-warning) 0%, #d97706 100%);
  color: white;
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-error) 0%, #dc2626 100%);
  color: white;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.badge-success {
  background-color: #dcfce7;
  color: #166534;
}

.badge-warning {
  background-color: #fef3c7;
  color: #92400e;
}

.badge-error {
  background-color: #fee2e2;
  color: #991b1b;
}

.badge-info {
  background-color: #dbeafe;
  color: #1e40af;
}

.badge-gray {
  background-color: var(--color-gray-100);
  color: var(--color-gray-800);
}

/* Input Components */
.form-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  transition: var(--transition-base);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-xs);
}

/* Layout Components */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  margin-bottom: var(--spacing-2xl);
}

.section-header {
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.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)); }

@media (min-width: 768px) {
  .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\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Spacing Utilities */
.space-y-sm > * + * { margin-top: var(--spacing-sm); }
.space-y-md > * + * { margin-top: var(--spacing-md); }
.space-y-lg > * + * { margin-top: var(--spacing-lg); }
.space-y-xl > * + * { margin-top: var(--spacing-xl); }

.space-x-sm > * + * { margin-left: var(--spacing-sm); }
.space-x-md > * + * { margin-left: var(--spacing-md); }
.space-x-lg > * + * { margin-left: var(--spacing-lg); }

/* Icon Utilities */
.icon {
  width: 1rem;
  height: 1rem;
}

.icon-sm { 
  width: 0.875rem; 
  height: 0.875rem; 
}

.icon-lg { 
  width: 1.25rem; 
  height: 1.25rem; 
}

.icon-xl { 
  width: 1.5rem; 
  height: 1.5rem; 
}

.icon-2xl { 
  width: 2rem; 
  height: 2rem; 
}

/* Animation Utilities */
.animate-fade-in {
  animation: fadeIn 0.5s ease-out;
}

.animate-slide-up {
  animation: slideUp 0.4s ease-out;
}

.animate-slide-down {
  animation: slideDown 0.3s ease-out;
}

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

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

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.text-gray-500 { color: var(--color-gray-500); }
.text-gray-600 { color: var(--color-gray-600); }
.text-gray-700 { color: var(--color-gray-700); }
.text-gray-800 { color: var(--color-gray-800); }
.text-gray-900 { color: var(--color-gray-900); }

.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

.bg-white { background-color: white; }
.bg-gray-50 { background-color: var(--color-gray-50); }
.bg-gray-100 { background-color: var(--color-gray-100); }

.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); }

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

/* Hover Effects */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hover-scale {
  transition: transform var(--transition-base);
}

.hover-scale:hover {
  transform: scale(1.05);
}

/* Focus States */
.focus-ring:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

/* Currency Display */
.currency-eur::before {
  content: "€";
}

.currency-usd::before {
  content: "$";
}

/* Responsive Utilities */
@media (max-width: 767px) {
  .mobile-hide { display: none; }
  .mobile-full { width: 100%; }
}

@media (min-width: 768px) {
  .desktop-hide { display: none; }
}