/* ===================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   =================================== */
:root {
  /* Primary Colors */
  --color-primary: #1a3989;
  --color-primary-dark: #0f2557;
  --color-primary-light: #2a4da3;
  
  /* Secondary Colors */
  --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;
  --color-info-light: #e0f2fe;
  
  /* 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
   =================================== */
.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);
}

/* ===================================
   STATS DASHBOARD
   =================================== */
.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.stat-card {
  background: white;
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border: 2px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.stat-card:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.stat-icon {
  font-size: var(--text-3xl);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.stat-number {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
  line-height: 1;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  font-weight: 500;
}

/* ===================================
   HEADER ACTIONS (SEARCH & FILTER)
   =================================== */
.header-actions {
  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 Container */
.search-container {
  position: relative;
  flex: 1;
}

.search-input {
  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);
  font-family: inherit;
}

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

.search-input::placeholder {
  color: var(--color-gray-400);
}

.search-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-400);
  font-size: var(--text-lg);
  pointer-events: none;
}

/* Filter Container */
.filter-container {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.filter-container label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.sort-select {
  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;
}

.sort-select:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
/* ===================================
   TIPS SECTION
   =================================== */
.tips-section {
  background: linear-gradient(135deg, var(--color-info-light) 0%, white 100%);
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-5);
  border: 2px solid var(--color-info);
}

.tips-section h3 {
  font-size: var(--text-xl);
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.tips-section h3 i {
  color: var(--color-info);
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-3);
}

.tip-card {
  display: flex;
  gap: var(--space-3);
  background: white;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.tip-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.tip-card i {
  font-size: var(--text-2xl);
  color: var(--color-info);
  flex-shrink: 0;
}

.tip-content strong {
  display: block;
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
  font-size: var(--text-base);
}

.tip-content p {
  color: var(--color-gray-600);
  font-size: var(--text-sm);
  margin: 0;
}

/* ===================================
   TABLE CONTAINER (DESKTOP/TABLET)
   =================================== */
.table-container {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: var(--space-4);
}

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

#violationTable {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

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

#violationTable 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;
}

#violationTable thead th i {
  color: var(--color-secondary);
  margin-right: var(--space-1);
}

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

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

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

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

.row-number {
  font-weight: 600;
  color: var(--color-gray-500);
  width: 50px;
}

.violation-name {
  font-weight: 600;
  color: var(--color-gray-900);
  white-space: nowrap;
}

.violation-desc {
  color: var(--color-gray-600);
  line-height: 1.6;
  max-width: 600px;
}

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

/* Others Row Styling */
.others-row {
  background: var(--color-warning-light);
}

.others-row:hover {
  background: #fde68a;
}

/* ===================================
   CARD CONTAINER (MOBILE)
   =================================== */
.card-container {
  display: none; /* Hidden by default, shown on mobile */
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.violation-card {
  background: white;
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--color-gray-200);
  transition: all var(--transition-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.violation-card:hover,
.violation-card:focus {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  outline: none;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-gray-900);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
}

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

.card-description {
  color: var(--color-gray-600);
  line-height: 1.6;
  font-size: var(--text-sm);
  flex: 1;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-gray-200);
}

.card-penalty {
  font-weight: 600;
  color: var(--color-gray-900);
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.card-penalty i {
  color: var(--color-success);
  font-size: var(--text-base);
}

/* Others Card Styling */
.others-card {
  background: var(--color-warning-light);
  border-color: var(--color-warning);
}

.others-card:hover,
.others-card:focus {
  background: #fde68a;
  border-color: var(--color-warning-dark);
}

.others-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--color-warning-dark);
  color: white;
  padding: 0.25rem var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  margin-left: var(--space-2);
}

/* ===================================
   NO RESULTS STATE
   =================================== */
.no-results,
.no-data {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--color-gray-500);
}

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

.no-results p,
.no-data p {
  font-size: var(--text-base);
  color: var(--color-gray-500);
  margin: 0 0 var(--space-3) 0;
}

.clear-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-5);
  background: var(--color-secondary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: inherit;
}

.clear-btn:hover {
  background: var(--color-secondary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

/* ===================================
   FOOTER INFO
   =================================== */
.footer-info {
  background: white;
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-info);
}

.footer-info p {
  color: var(--color-gray-600);
  line-height: 1.7;
  margin: 0;
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.footer-info p + p {
  margin-top: var(--space-3);
}

.footer-info i {
  color: var(--color-info);
  font-size: var(--text-lg);
  margin-top: 0.125rem;
  flex-shrink: 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
   =================================== */

/* Tablet */
@media (max-width: 1024px) {
  .header-actions {
    grid-template-columns: 1fr;
  }

  .filter-container {
    justify-content: space-between;
  }

  .stats-container {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

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

  .stats-container {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .stat-card {
    padding: var(--space-4);
  }

  .header-actions {
    padding: var(--space-3);
  }

  .tips-section {
    padding: var(--space-4);
  }

  .tips-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .tip-card {
    padding: var(--space-3);
  }

  .filter-container {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-container label {
    justify-content: space-between;
  }

  .sort-select {
    width: 100%;
  }

  .footer-info {
    padding: var(--space-4);
  }
}

/* Mobile - Switch to Cards */
@media (max-width: 650px) {
  .table-container {
    display: none !important;
  }

  .card-container {
    display: grid !important;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .back-button {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-2);
  }

  .stat-number {
    font-size: var(--text-2xl);
  }

  .tips-section h3 {
    font-size: var(--text-lg);
  }

  .card-title {
    font-size: var(--text-base);
  }
}

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

  .back-button,
  .header-actions,
  .tips-section {
    display: none;
  }

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

  .violation-card,
  #violationTable tbody tr {
    page-break-inside: avoid;
  }

  .stats-container {
    page-break-after: always;
  }
}