/* ==========================================
   PORTAIL ÉTUDIANT EILCO - CHARTE GRAPHIQUE OFFICIELLE
   Couleurs officielles ULCO/EILCO
   ========================================== */

/* Variables CSS - Couleurs officielles ULCO/EILCO */
:root {
  /* Couleurs principales ULCO/EILCO */
  --ulco-blue-primary: #007acc;
  --ulco-blue-dark: #003d7a;
  --ulco-blue-light: #3399ff;

  /* Couleurs spécifiques par campus */
  --calais-primary: #0066cc;
  --calais-secondary: #003d7a;
  --saint-omer-primary: #28a745;
  --saint-omer-secondary: #1e7e34;
  --dunkerque-primary: #dc3545;
  --dunkerque-secondary: #c82333;
  --boulogne-primary: #ff6600;
  --boulogne-secondary: #cc5200;

  /* Couleurs système */
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #17a2b8;

  /* Couleurs neutres */
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --medium-gray: #6c757d;
  --dark-gray: #343a40;
  --black: #000000;

  /* Ombres et effets */
  --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 8px 16px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ==========================================
   RESET ET BASE
   ========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--dark-gray);
  background: var(--light-gray);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ==========================================
   TYPOGRAPHIE
   ========================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
}
h2 {
  font-size: 2rem;
}
h3 {
  font-size: 1.75rem;
}
h4 {
  font-size: 1.5rem;
}
h5 {
  font-size: 1.25rem;
}
h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--ulco-blue-dark);
  text-decoration: underline;
}

.bg-gradient-primary {
  background: linear-gradient(
    135deg,
    var(--ulco-blue-primary),
    var(--ulco-blue-light)
  );
}

/* ==========================================
   FORMULAIRES
   ========================================== */
.form-container {
  max-width: 600px;
  margin: 2rem auto;
  padding: 2.5rem;
  background: var(--white);
  border-radius: 20px;
  box-shadow: var(--shadow-heavy);
  border-top: 5px solid var(--ulco-blue-primary);
}

.form-row {
  display: flex;
  margin: 0 -0.5rem;
}

.form-row .form-group {
  flex: 1;
  margin: 0 0.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--dark-gray);
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid #e9ecef;
  border-radius: 10px;
  font-size: 1rem;
  transition: var(--transition-medium);
  background: var(--white);
}

.form-control:focus {
  outline: none;
  border-color: var(--ulco-blue-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
  transform: translateY(-1px);
}

.form-control.is-valid {
  border-color: var(--success-color);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2328a745' d='m2.3 6.73.94-.94 1.44 1.44L7.07 4.3.94-3.7 1.88 2.3z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-invalid {
  border-color: var(--danger-color);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 4.6 1.4 1.4m0-1.4L5.8 6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.invalid-feedback {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--danger-color);
}

.form-text {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--medium-gray);
}

.input-group {
  position: relative;
  display: flex;
  width: 100%;
}

.input-group .form-control {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group-append {
  display: flex;
}

.input-group-append .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-left: 0;
}

.form-check {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  margin-right: 0.75rem;
  accent-color: var(--ulco-blue-primary);
}

.form-check-label {
  font-size: 0.95rem;
  cursor: pointer;
}

/* ==========================================
   BOUTONS
   ========================================== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: 2px solid transparent;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-medium);
  min-width: 120px;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--ulco-blue-primary),
    var(--ulco-blue-light)
  );
  color: var(--white);
  border-color: var(--ulco-blue-primary);
}

.btn-primary:hover {
  background: linear-gradient(
    135deg,
    var(--ulco-blue-dark),
    var(--ulco-blue-primary)
  );
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  text-decoration: none;
}

.btn-secondary {
  background: var(--medium-gray);
  color: var(--white);
  border-color: var(--medium-gray);
}

.btn-secondary:hover {
  background: var(--dark-gray);
  transform: translateY(-2px);
}

.btn-success {
  background: var(--success-color);
  color: var(--white);
  border-color: var(--success-color);
}

.btn-danger {
  background: var(--danger-color);
  color: var(--white);
  border-color: var(--danger-color);
}

.btn-warning {
  background: var(--warning-color);
  color: var(--dark-gray);
  border-color: var(--warning-color);
}

.btn-info {
  background: var(--info-color);
  color: var(--white);
  border-color: var(--info-color);
}

.btn-light {
  background: var(--light-gray);
  color: var(--dark-gray);
  border-color: #dee2e6;
}

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

.btn-outline-primary:hover {
  background: var(--ulco-blue-primary);
  color: var(--white);
  text-decoration: none;
}

.btn-full {
  width: 100%;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ==========================================
   ALERTES
   ========================================== */
.alert {
  padding: 1rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 10px;
  margin-bottom: 1rem;
  font-weight: 500;
}

.alert-success {
  background: rgba(40, 167, 69, 0.1);
  color: #155724;
  border-color: rgba(40, 167, 69, 0.2);
}

.alert-danger {
  background: rgba(220, 53, 69, 0.1);
  color: #721c24;
  border-color: rgba(220, 53, 69, 0.2);
}

.alert-warning {
  background: rgba(255, 193, 7, 0.1);
  color: #856404;
  border-color: rgba(255, 193, 7, 0.2);
}

.alert-info {
  background: rgba(0, 102, 204, 0.1);
  color: var(--ulco-blue-dark);
  border-color: rgba(0, 102, 204, 0.2);
}

.alert h4 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.alert ul {
  margin-bottom: 0;
}

/* ==========================================
   NAVIGATION ET HEADER
   ========================================== */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-light);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header {
  background: var(--white);
  box-shadow: var(--shadow-medium);
  padding: 1rem 0;
  position: relative;
  z-index: 1000;
  transition: var(--transition-medium);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--ulco-blue-primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 1rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--dark-gray);
  font-weight: 500;
  transition: var(--transition-fast);
  padding: 0.5rem 1rem;
  border-radius: 5px;
}

.nav-links a:hover {
  color: var(--ulco-blue-primary);
  background: rgba(0, 102, 204, 0.1);
  text-decoration: none;
}

/* ==========================================
   SECTIONS HERO
   ========================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  color: var(--white);
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 2rem;
  color: var(--white);
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: 800;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  font-weight: 300;
  animation: fadeInUp 1s ease-out 0.3s both;
}

.cta-buttons {
  margin-top: 2rem;
  animation: fadeInUp 1s ease-out 0.6s both;
}

/* ==========================================
   CARTES ET CONTENEURS
   ========================================== */
.welcome-card,
.info-card {
  background: var(--white);
  border-radius: 15px;
  padding: 2rem;
  margin: 1rem 0;
  box-shadow: var(--shadow-medium);
  border-top: 4px solid var(--ulco-blue-primary);
  transition: var(--transition-medium);
}

.welcome-card:hover,
.info-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
}

.site-badge {
  display: inline-block;
  background: linear-gradient(
    45deg,
    var(--ulco-blue-primary),
    var(--ulco-blue-light)
  );
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  font-weight: bold;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-medium);
}

/* ==========================================
   GRILLES
   ========================================== */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.stats-section {
  background: var(--ulco-blue-primary);
  color: var(--white);
  padding: 4rem 0;
  text-align: center;
}

.stat-item {
  text-align: center;
  background: rgba(0, 102, 204, 0.1);
  padding: 1.5rem;
  border-radius: 15px;
  border: 2px solid rgba(0, 102, 204, 0.2);
  transition: var(--transition-medium);
}

.stat-item:hover {
  transform: translateY(-3px);
  border-color: var(--ulco-blue-primary);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  display: block;
  margin-bottom: 0.5rem;
  color: var(--ulco-blue-primary);
  line-height: 1;
}

.stats-section .stat-number {
  color: var(--ulco-blue-light);
}

/* ==========================================
   TABLEAUX
   ========================================== */
.table,
.logs-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-light);
  margin: 1rem 0;
}

.table th,
.logs-table th,
.table td,
.logs-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #e9ecef;
}

.table th,
.logs-table th {
  background: var(--ulco-blue-primary);
  color: var(--white);
  font-weight: 600;
}

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

.status-success {
  color: var(--success-color);
  font-weight: bold;
}

.status-failed,
.status-blocked {
  color: var(--danger-color);
  font-weight: bold;
}

/* ==========================================
   SÉLECTEURS DE VILLE/CAMPUS
   ========================================== */
.city-selector {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.city-option {
  padding: 1.5rem;
  border: 2px solid #e9ecef;
  border-radius: 15px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-medium);
  background: var(--white);
}

.city-option:hover {
  border-color: var(--ulco-blue-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.city-option.selected {
  border-color: var(--ulco-blue-primary);
  background: linear-gradient(
    135deg,
    var(--ulco-blue-primary),
    var(--ulco-blue-light)
  );
  color: var(--white);
}

/* ==========================================
   ACTIVITÉ ET LOGS
   ========================================== */
.recent-activity {
  max-height: 300px;
  overflow-y: auto;
  margin: 1rem 0;
}

.activity-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid #eee;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-fast);
}

.activity-item:hover {
  background: var(--light-gray);
  padding-left: 0.5rem;
  border-radius: 5px;
}

/* ==========================================
   SPINNERS
   ========================================== */
.spinner-border {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  vertical-align: text-bottom;
  border: 0.125rem solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spinner-border 0.75s linear infinite;
}

.spinner-border-sm {
  width: 0.875rem;
  height: 0.875rem;
  border-width: 0.125rem;
}

@keyframes spinner-border {
  to {
    transform: rotate(360deg);
  }
}

/* ==========================================
   UTILITAIRES DE TEXTE
   ========================================== */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.text-muted {
  color: var(--medium-gray);
}
.text-primary {
  color: var(--ulco-blue-primary);
}
.text-success {
  color: var(--success-color);
}
.text-danger {
  color: var(--danger-color);
}
.text-warning {
  color: #856404;
}
.text-info {
  color: var(--info-color);
}

.gradient-text {
  background: linear-gradient(
    45deg,
    var(--ulco-blue-primary),
    var(--ulco-blue-light)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* ==========================================
   MARGES ET PADDING
   ========================================== */
.mt-1 {
  margin-top: 0.25rem;
}
.mt-2 {
  margin-top: 0.5rem;
}
.mt-3 {
  margin-top: 1rem;
}
.mt-4 {
  margin-top: 1.5rem;
}
.mt-5 {
  margin-top: 3rem;
}

.mb-1 {
  margin-bottom: 0.25rem;
}
.mb-2 {
  margin-bottom: 0.5rem;
}
.mb-3 {
  margin-bottom: 1rem;
}
.mb-4 {
  margin-bottom: 1.5rem;
}
.mb-5 {
  margin-bottom: 3rem;
}

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

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

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

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}
.slide-in-right {
  animation: slideInRight 0.5s ease-out;
}
.pulse {
  animation: pulse 2s infinite;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--dark-gray);
  color: var(--white);
  text-align: center;
  padding: 3rem 0;
  margin-top: 4rem;
}

.footer a {
  color: var(--ulco-blue-light);
}

.footer a:hover {
  color: var(--white);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .form-container {
    margin: 1rem;
    padding: 2rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .header-content {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-links {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

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

  .form-row {
    flex-direction: column;
    margin: 0;
  }

  .form-row .form-group {
    margin: 0 0 1.5rem 0;
  }

  .btn {
    width: 100%;
    margin-bottom: 0.5rem;
  }

  .city-selector {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .form-container {
    padding: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .welcome-card,
  .info-card {
    padding: 1.5rem;
  }
}

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

/* Mode sombre (optionnel) */
@media (prefers-color-scheme: dark) {
  .form-container {
    background: #1a1a1a;
    color: var(--white);
  }

  .form-control {
    background: #2d2d2d;
    color: var(--white);
    border-color: #404040;
  }
}