/* ==========================================
   Styles Principaux - Ministère des Transports
   Palette: Bleu National #007FFF, Rouge #CE1021, Jaune #FCD116
   ========================================== */

/* Variables CSS */
:root {
  /* Couleurs principales */
  --primary-blue: #007FFF;
  --primary-blue-dark: #005FCC;
  --primary-blue-light: #3399FF;
  
  /* Couleurs secondaires */
  --secondary-red: #CE1021;
  --secondary-red-dark: #A00D1A;
  --secondary-red-light: #E63344;
  
  /* Couleur accent */
  --accent-yellow: #FCD116;
  --accent-yellow-dark: #D4B100;
  
  /* Couleurs neutres */
  --white: #FFFFFF;
  --gray-light: #F5F5F5;
  --gray-medium: #CCCCCC;
  --gray-dark: #666666;
  --text-color: #444444;
  --text-muted: #888888;

  /* Couleurs admin/dashboard (chrome interne, distinct de la palette
     publique ci-dessus - un tableau de bord dense en donnees a besoin
     d'un langage visuel plus neutre que les couleurs du drapeau) */
  --admin-navy: #1A2744;
  --admin-slate-dark: #334155;
  --admin-slate: #64748B;
  --admin-slate-light: #94A3B8;
  --admin-accent-blue: #3B82F6;

  /* Couleurs de statut (feedback semantique - succes/erreur - distinctes
     de la palette de marque, ne pas confondre avec --secondary-red) */
  --status-danger: #DC2626;
  --status-danger-bg: #FEF2F2;
  --status-success: #059669;
  --status-success-bg: #ECFDF5;

  /* Typographie */
  --font-primary: 'Poppins', sans-serif;
  --font-secondary: 'Roboto', sans-serif;
  
  /* Tailles de police */
  --font-size-h1: 32px;
  --font-size-h2: 24px;
  --font-size-h3: 18px;
  --font-size-body: 16px;
  --font-size-small: 14px;
  --font-size-xs: 12px;

  /* Tailles d'icônes */
  --icon-sm: 14px;
  --icon-md: 18px;
  --icon-lg: 22px;

  /* Espacements */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  
  /* Bordures et ombres */
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;
  --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --box-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* Reset et base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-secondary);
  font-size: var(--font-size-body);
  color: var(--text-color);
  background-color: var(--gray-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-color);
}

h1 {
  font-size: var(--font-size-h1);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-h2);
}

h3 {
  font-size: var(--font-size-h3);
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-blue-dark);
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-primary);
  font-size: var(--font-size-body);
  font-weight: 500;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  gap: var(--spacing-sm);
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--primary-blue-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--box-shadow-hover);
}

.btn-secondary {
  background-color: var(--secondary-red);
  color: var(--white);
}

.btn-secondary:hover {
  background-color: var(--secondary-red-dark);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-blue);
  color: var(--primary-blue);
}

.btn-outline:hover {
  background-color: var(--primary-blue);
  color: var(--white);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-color);
}

.btn-ghost:hover {
  background-color: var(--gray-light);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Formulaires */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-family: var(--font-primary);
  font-size: var(--font-size-small);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--text-color);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-secondary);
  font-size: var(--font-size-body);
  border: 1px solid var(--gray-medium);
  border-radius: var(--border-radius-sm);
  background-color: var(--white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 127, 255, 0.1);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-error {
  color: var(--secondary-red);
  font-size: var(--font-size-xs);
  margin-top: var(--spacing-xs);
}

/* Cartes */
.card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: var(--spacing-lg);
}

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

.card-title {
  font-size: var(--font-size-h3);
  font-weight: 600;
}

/* Bande drapeau RDC */
.flag-band {
  display: flex;
  height: 6px;
  width: 100%;
}

.flag-blue {
  flex: 1;
  background-color: #007FFF;
}

.flag-yellow {
  flex: 1;
  background-color: #FCD116;
}

.flag-red {
  flex: 1;
  background-color: #CE1021;
}

/* En-têtes et navigation */
.header {
  background-color: var(--white);
  color: var(--text-color);
  padding: var(--spacing-md) 0;
  box-shadow: var(--box-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
  overflow: visible;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: nowrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
}

.header-logo {
  flex-shrink: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  margin-left: auto;
}

.logo-text {
  font-family: var(--font-primary);
  font-size: var(--font-size-h3);
  font-weight: 700;
  color: var(--primary-blue);
}

.main-nav {
  display: flex;
  flex: 1;
  margin-left: var(--spacing-lg);
  min-width: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  list-style: none;
  flex-wrap: nowrap;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-color);
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: 14px;
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.nav-link:hover {
  background-color: rgba(0, 127, 255, 0.08);
  color: var(--primary-blue);
}

/* Bouton hamburger */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast);
}

.nav-toggle:hover {
  background-color: var(--gray-light);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .logo-text {
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--box-shadow);
    z-index: 99;
    margin-left: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: max-height 0.3s ease, opacity 0.25s ease, transform 0.25s ease;
    pointer-events: none;
  }

  .main-nav.open {
    max-height: 500px;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    display: flex;
  }

  .nav-menu {
    flex-direction: column;
    width: 100%;
    align-items: flex-start;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-sm);
    border-top: 1px solid var(--gray-medium);
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

/* Conteneur principal */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

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

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

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

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

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Alerts et notifications */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-md);
}

.alert-success {
  background-color: #D4EDDA;
  color: #155724;
  border: 1px solid #C3E6CB;
}

.alert-error {
  background-color: #F8D7DA;
  color: #721C24;
  border: 1px solid #F5C6CB;
}

.alert-warning {
  background-color: #FFF3CD;
  color: #856404;
  border: 1px solid #FFEEBA;
}

.alert-info {
  background-color: #D1ECF1;
  color: #0C5460;
  border: 1px solid #BEE5EB;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: 12px;
}

.badge-primary {
  background-color: var(--primary-blue);
  color: var(--white);
}

.badge-success {
  background-color: #28A745;
  color: var(--white);
}

.badge-warning {
  background-color: var(--accent-yellow);
  color: var(--text-color);
}

.badge-danger {
  background-color: var(--secondary-red);
  color: var(--white);
}

/* Tableaux */
.table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.table th,
.table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--gray-light);
}

.table th {
  background-color: var(--gray-light);
  font-family: var(--font-primary);
  font-weight: 600;
  color: var(--text-color);
}

.table tr:hover {
  background-color: var(--gray-light);
}

/* Loader */
.loader {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-medium);
  border-top-color: var(--primary-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Footer */
.footer {
  background-color: var(--text-color);
  color: var(--white);
  padding: var(--spacing-xl) 0;
  margin-top: auto;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--accent-yellow);
  margin-bottom: var(--spacing-md);
  font-family: var(--font-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--white);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-yellow);
}

.footer-bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--gray-dark);
  text-align: center;
  color: var(--text-muted);
}

/* Page d'accueil hero */
.hero {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
  color: var(--white);
  min-height: 100vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding: var(--spacing-xxl) 0;
}

.hero .container {
  padding-top: var(--spacing-xxl);
  padding-bottom: var(--spacing-xxl);
}

.hero-title {
  font-size: clamp(28px, 5vw, 56px);
  margin-bottom: var(--spacing-lg);
  color: var(--white);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  opacity: 0.9;
  max-width: 650px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* Auth pages */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
  padding: var(--spacing-lg);
}

.auth-card {
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  padding: var(--spacing-xl);
  width: 100%;
  max-width: 450px;
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.auth-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background-color: var(--primary-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-title {
  font-size: var(--font-size-h2);
  color: var(--text-color);
  margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
  color: var(--text-muted);
}

/* Dashboard */
.dashboard {
  display: flex;
  min-height: calc(100vh - 64px);
}

.sidebar {
  width: 250px;
  background-color: var(--white);
  border-right: 1px solid var(--gray-medium);
  padding: var(--spacing-lg) 0;
}

.sidebar-menu {
  list-style: none;
}

.sidebar-item {
  margin-bottom: var(--spacing-xs);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--text-color);
  font-family: var(--font-primary);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.sidebar-link:hover,
.sidebar-link.active {
  background-color: var(--primary-blue);
  color: var(--white);
}

.sidebar-link svg {
  width: 20px;
  height: 20px;
}

.main-content {
  flex: 1;
  padding: var(--spacing-lg);
  background-color: var(--gray-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--box-shadow);
}

.stat-label {
  font-size: var(--font-size-small);
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-blue);
  font-family: var(--font-primary);
}

/* Utilities */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.d-flex {
  display: flex;
}

.align-center {
  align-items: center;
}

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

.gap-2 {
  gap: var(--spacing-sm);
}

.gap-3 {
  gap: var(--spacing-md);
}

/* ==========================================
   Animations & Keyframes
   ========================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.05); }
}

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

@keyframes loaderBarFill {
  0%   { width: 0%; }
  60%  { width: 80%; }
  100% { width: 100%; }
}

@keyframes loaderFadeOut {
  0%   { opacity: 1; visibility: visible; }
  100% { opacity: 0; visibility: hidden; }
}

/* Hero animations */
.hero .container {
  animation: fadeInUp 0.9s ease both;
}

.hero-title {
  animation: fadeInUp 0.8s ease both;
}

.hero-subtitle {
  animation: fadeInUp 0.9s 0.15s ease both;
}

.hero-buttons {
  animation: fadeInUp 1s 0.3s ease both;
}

/* Card améliorée */
.card {
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  padding: var(--spacing-lg);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border-top: 3px solid transparent;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,127,255,0.03) 0%, transparent 60%);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,127,255,0.12);
  border-top-color: var(--primary-blue);
}

/* Skeleton loader */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--border-radius-sm);
}

.skeleton-text {
  height: 16px;
  margin-bottom: 8px;
  border-radius: 4px;
}

.skeleton-title {
  height: 24px;
  width: 60%;
  margin-bottom: 12px;
  border-radius: 4px;
}

.skeleton-card {
  height: 180px;
  border-radius: var(--border-radius-lg);
}

/* Page loader plein écran */
.page-loader {
  position: fixed;
  inset: 0;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  animation: loaderFadeOut 0.4s 0.8s ease forwards;
}

.page-loader-inner {
  text-align: center;
}

.loader-logo {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
  border-radius: 50%;
  color: white;
  font-weight: 700;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  animation: pulse 1s ease infinite;
  font-family: var(--font-primary);
}

.loader-bar {
  width: 200px;
  height: 4px;
  background: var(--gray-medium);
  border-radius: 4px;
  overflow: hidden;
  margin: 0 auto 12px;
}

.loader-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-blue), var(--accent-yellow), var(--secondary-red));
  border-radius: 4px;
  animation: loaderBarFill 0.8s ease forwards;
}

.loader-text {
  color: var(--text-muted);
  font-size: var(--font-size-small);
  font-family: var(--font-primary);
}

/* Animations sections au scroll (intersection observer class) */
.animate-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Amélioration boutons */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.4s ease, height 0.4s ease;
}

.btn:active::after {
  width: 200px;
  height: 200px;
}

/* Section divider avec dégradé couleur drapeau */
.section-divider {
  height: 4px;
  background: linear-gradient(90deg, var(--primary-blue) 33%, var(--accent-yellow) 33%, var(--accent-yellow) 66%, var(--secondary-red) 66%);
}

/* Stat cards animation */
.stat-value {
  display: inline-block;
  animation: fadeInUp 0.7s ease both;
}

/* ==========================================
   Navigation active
   ========================================== */

.nav-link-active {
  color: var(--primary-blue) !important;
  background-color: rgba(0, 127, 255, 0.08);
  font-weight: 600;
}

/* Boutons icônes header */
.header-icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--gray-medium);
  color: var(--text-color);
  border-radius: var(--border-radius-sm);
  padding: 6px 10px;
  cursor: pointer;
  font-size: var(--font-size-small);
  font-family: var(--font-primary);
  transition: all var(--transition-fast);
}

.header-icon-btn:hover {
  background-color: var(--gray-light);
  border-color: var(--primary-blue);
  color: var(--primary-blue);
}

.search-hint {
  font-size: 11px;
  color: var(--text-muted);
  font-family: monospace;
  background: var(--gray-light);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--gray-medium);
}

@media (max-width: 768px) {
  .search-hint { display: none; }
}

/* Carousel */
.carousel-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid var(--gray-medium);
  background: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-color);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.carousel-btn:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
  background: rgba(0,127,255,0.06);
}

@media (max-width: 768px) {
  .carousel-slide {
    flex: 0 0 100% !important;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .carousel-slide {
    flex: 0 0 calc(50% - 12px) !important;
  }
}

/* ==========================================
   Mode sombre
   ========================================== */

[data-theme="dark"] {
  --white: #1E1E2E;
  --gray-light: #2A2A3E;
  --gray-medium: #3E3E54;
  --gray-dark: #888;
  --text-color: #E0E0F0;
  --text-muted: #9999BB;
  --box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  --box-shadow-hover: 0 4px 16px rgba(0,0,0,0.5);
}

[data-theme="dark"] .header {
  background-color: #16162A;
  border-bottom: 1px solid #2A2A3E;
}

[data-theme="dark"] .main-nav {
  background-color: #16162A;
}

[data-theme="dark"] .footer {
  background-color: #111120;
}

[data-theme="dark"] .card {
  background-color: #252535;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

[data-theme="dark"] .card:hover {
  box-shadow: 0 12px 32px rgba(0,0,0,0.5);
}

[data-theme="dark"] .logo-text {
  color: #99CCFF;
}

[data-theme="dark"] .nav-link {
  color: #C0C0E0;
}

[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link-active {
  background-color: rgba(100, 160, 255, 0.12);
  color: #99CCFF;
}

[data-theme="dark"] .header-icon-btn {
  color: #C0C0E0;
  border-color: #3E3E54;
}

[data-theme="dark"] .header-icon-btn:hover {
  background-color: #2A2A3E;
}

[data-theme="dark"] .search-hint {
  background: #2A2A3E;
  border-color: #3E3E54;
  color: #777;
}

[data-theme="dark"] .page-loader {
  background: #1E1E2E;
}

[data-theme="dark"] body {
  background-color: #16162A;
}

/* ==========================================
   Responsive global
   ========================================== */

@media (max-width: 1024px) {
  .header-container {
    padding: 0 var(--spacing-md);
  }

  .container {
    padding: var(--spacing-xl) var(--spacing-md);
  }

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

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-container {
    grid-template-columns: 1fr;
    padding: 0 var(--spacing-md);
  }

  .logo-text {
    font-size: 14px;
  }

  .dashboard {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--gray-medium);
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-h1: 24px;
    --font-size-h2: 20px;
    --font-size-h3: 16px;
  }

  .container {
    padding: var(--spacing-lg) var(--spacing-md);
  }

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

/* Auth split-screen responsive */
@media (max-width: 860px) {
  .auth-left-panel {
    display: none !important;
  }
}