/* ===================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   =================================== */
:root {
  /* Primary Colors - Authority & Trust */
  --color-primary: #1a3989;
  --color-primary-dark: #0f2557;
  --color-primary-light: #2a4da3;
  
  /* Secondary Colors - Action & Interaction */
  --color-secondary: #2563eb;
  --color-secondary-dark: #1d4ed8;
  
  /* Semantic Colors */
  --color-success: #059669;
  --color-success-light: #d1fae5;
  --color-success-dark: #065f46;
  
  --color-warning: #d97706;
  --color-warning-light: #fef3c7;
  --color-warning-dark: #92400e;
  
  --color-danger: #dc2626;
  --color-danger-light: #fee2e2;
  --color-danger-dark: #991b1b;
  
  --color-info: #0284c7;
  
  /* Neutral Palette */
  --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 System (8px base) */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 2.5rem;
  --space-6: 3rem;
  --space-8: 4rem;
  
  /* Typography Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   BASE STYLES & RESET
   =================================== */
*, *::before, *::after { 
  box-sizing: border-box; 
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-gray-900);
  background: var(--color-gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* ===================================
   MAIN CONTAINER
   =================================== */
.violations-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-3);
}

/* ===================================
   BACK BUTTON
   =================================== */
.back-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-gray-600);
  font-weight: 500;
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  text-decoration: none;
  margin-bottom: var(--space-4);
  border: none;
  background: transparent;
  cursor: pointer;
}

.back-button:hover {
  background: white;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.back-button i {
  font-size: var(--text-lg);
}

/* ===================================
   HEADER SECTION
   =================================== */
.violations-header {
  background: white;
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-5);
  border-left: 4px solid var(--color-primary);
}

.violations-header h1 {
  font-size: var(--text-3xl);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.violations-header h1 i {
  color: var(--color-primary);
  font-size: var(--text-2xl);
}

.violations-header p {
  color: var(--color-gray-600);
  font-size: var(--text-base);
  margin: 0;
}

/* ===================================
   SEARCH & FILTER SECTION
   =================================== */
.search-filter {
  background: white;
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-4);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-3);
  align-items: center;
}

/* Search Input */
#searchInput {
  width: 100%;
  padding: var(--space-3) var(--space-3) var(--space-3) calc(var(--space-3) * 2.5);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  color: var(--color-gray-900);
  transition: all var(--transition-base);
  background: var(--color-gray-50) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%239ca3af" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="11" cy="11" r="8"></circle><path d="m21 21-4.35-4.35"></path></svg>') no-repeat left var(--space-3) center;
  background-size: 18px;
  font-family: inherit;
}

#searchInput:focus {
  outline: none;
  border-color: var(--color-secondary);
  background-color: white;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

#searchInput::placeholder {
  color: var(--color-gray-400);
}

/* Month Selector */
.month-selector {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

#monthFilter {
  padding: var(--space-3);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  background: white;
}

#monthFilter:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.reset-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  font-family: inherit;
}

.reset-btn:hover {
  background: var(--color-gray-200);
  transform: translateY(-1px);
}

.reset-btn:active {
  transform: translateY(0);
}

.reset-btn i {
  font-size: var(--text-base);
}

/* ===================================
   FILTER COUNT BAR
   =================================== */
.filter-count {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-4);
}

.filter-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.filter-info i {
  color: var(--color-secondary);
  font-size: var(--text-base);
}

.filter-info strong {
  color: var(--color-gray-900);
  font-weight: 600;
}

.date-info {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.5rem var(--space-3);
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
}

/* ===================================
   TABLE SECTION
   =================================== */
.table-wrapper {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.table-responsive {
  overflow-x: auto;
}

/* Table Styles */
#citationTable {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

#citationTable thead {
  background: var(--color-gray-50);
  border-bottom: 2px solid var(--color-gray-200);
}

#citationTable thead th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 600;
  color: var(--color-gray-700);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

#citationTable tbody tr {
  border-bottom: 1px solid var(--color-gray-200);
  transition: background-color var(--transition-fast);
}

#citationTable tbody tr:hover {
  background: var(--color-gray-50);
}

#citationTable tbody tr:last-child {
  border-bottom: none;
}

#citationTable tbody td {
  padding: var(--space-4);
  color: var(--color-gray-700);
  vertical-align: middle;
}

.ticket-number {
  font-family: 'Monaco', 'Courier New', monospace;
  font-weight: 600;
  color: var(--color-primary);
  font-size: var(--text-sm);
}

.penalty-amount {
  font-weight: 600;
  color: var(--color-gray-900);
  font-feature-settings: 'tnum';
  font-variant-numeric: tabular-nums;
}

/* ===================================
   STATUS BADGES
   =================================== */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}

.status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.status-paid {
  background: var(--color-success-light);
  color: var(--color-success-dark);
}

.status-pending {
  background: var(--color-warning-light);
  color: var(--color-warning-dark);
}

.status-overdue {
  background: var(--color-danger-light);
  color: var(--color-danger-dark);
}

/* ===================================
   EMPTY STATES
   =================================== */
.no-data,
.loading {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--color-gray-500);
}

.no-data i,
.loading i {
  font-size: 3rem;
  margin-bottom: var(--space-3);
  color: var(--color-gray-300);
  display: block;
}

.loading i {
  animation: spin 1s linear infinite;
}

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

.no-data p,
.loading p {
  font-size: var(--text-base);
  color: var(--color-gray-500);
  margin: 0;
}

/* ===================================
   ACCESSIBILITY
   =================================== */
*:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

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

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
  .search-filter {
    grid-template-columns: 1fr;
  }

  .month-selector {
    width: 100%;
  }

  #monthFilter {
    flex: 1;
  }
}

@media (max-width: 768px) {
  .violations-container {
    padding: var(--space-3) var(--space-2);
  }

  .violations-header {
    padding: var(--space-4);
  }

  .violations-header h1 {
    font-size: var(--text-2xl);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
  }

  .search-filter {
    padding: var(--space-3);
  }

  .filter-count {
    flex-direction: column;
    gap: var(--space-3);
    align-items: flex-start;
  }

  .month-selector {
    flex-direction: column;
    width: 100%;
  }

  #monthFilter,
  .reset-btn {
    width: 100%;
    justify-content: center;
  }

  /* Transform table to cards on mobile */
  .table-responsive {
    border: none;
  }

  #citationTable,
  #citationTable thead,
  #citationTable tbody,
  #citationTable th,
  #citationTable td,
  #citationTable tr {
    display: block;
  }

  #citationTable thead {
    display: none;
  }

  #citationTable tbody tr {
    margin-bottom: var(--space-3);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    background: white;
  }

  #citationTable tbody tr:hover {
    background: white;
    box-shadow: var(--shadow-md);
  }

  #citationTable tbody td {
    padding: var(--space-2) 0;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  #citationTable tbody td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--color-gray-600);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  #citationTable tbody td:first-child {
    padding-top: 0;
  }

  #citationTable tbody td:last-child {
    padding-bottom: 0;
  }

  .ticket-number,
  .penalty-amount {
    font-size: var(--text-sm);
  }
}

@media (max-width: 480px) {
  .violations-header h1 {
    font-size: var(--text-xl);
  }

  .back-button {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-2);
  }

  .filter-info,
  .date-info {
    font-size: var(--text-xs);
  }
}

/* ===================================
   PRINT STYLES
   =================================== */
@media print {
  body {
    background: white;
  }

  .back-button,
  .search-filter,
  .filter-count {
    display: none;
  }

  .table-wrapper {
    box-shadow: none;
  }

  #citationTable tbody tr {
    page-break-inside: avoid;
  }

  .status-badge {
    border: 1px solid currentColor;
  }
}