/* ==========================================
   eXpansion - Styles Principaux
   Charte graphique : #146793 (bleu principal)
   ========================================== */

/* Reset et Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #146793;
  --color-primary-dark: #0d4a6b;
  --color-primary-light: #1a7fb3;
  --color-secondary: #2ecc71;
  --color-accent: #e74c3c;
  --bg-main: #f4f4f4;
  --bg-white: #ffffff;
  --bg-card: #ffffff;
  --bg-hover: #f8f9fa;
  --text-primary: #333333;
  --text-secondary: #666666;
  --text-muted: #999999;
  --text-white: #ffffff;
  --status-success: #27ae60;
  --status-warning: #f39c12;
  --status-danger: #e74c3c;
  --status-info: #3498db;
  --deadline-safe: #27ae60;
  --deadline-warning: #f39c12;
  --deadline-danger: #e74c3c;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-color: #e0e0e0;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

html { font-size: 16px; }

body {
  font-family: Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
  padding: var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* Header */
.header {
  background: var(--color-primary);
  color: var(--text-white);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.header-logo { height: 40px; width: auto; }

.header-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-white);
  cursor: pointer;
  padding: var(--spacing-sm);
}

/* Navigation */
.nav {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 60px;
  z-index: 999;
}

.nav-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition-fast);
  border-bottom: 3px solid transparent;
  font-size: 0.9rem;
  cursor: pointer;
}

.nav-link:hover {
  color: var(--color-primary);
  background: var(--bg-hover);
}

.nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

.nav-link svg { width: 18px; height: 18px; }

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.card-title svg { color: var(--color-primary); }

/* Group Banner */
.group-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--text-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.group-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.group-banner-title { font-size: 1.5rem; font-weight: 700; margin-bottom: var(--spacing-sm); }
.group-banner-subtitle { font-size: 1rem; opacity: 0.9; }

.group-banner-info {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.group-banner-stat { display: flex; flex-direction: column; }
.group-banner-stat-value { font-size: 1.5rem; font-weight: 700; }
.group-banner-stat-label { font-size: 0.875rem; opacity: 0.8; }

/* Adherent Grid */
.adherent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.adherent-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-md);
  transition: var(--transition-normal);
  border: 1px solid var(--border-color);
}

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

.adherent-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.adherent-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.125rem;
}

.adherent-name { font-weight: 600; color: var(--text-primary); font-size: 1rem; }
.adherent-metier { color: var(--text-secondary); font-size: 0.875rem; }

.adherent-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.adherent-info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.adherent-info-item svg { width: 16px; height: 16px; color: var(--color-primary); }

.adherent-contact {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

.adherent-contact-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  background: var(--bg-hover);
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.8rem;
  transition: var(--transition-fast);
}

.adherent-contact-btn:hover {
  background: var(--color-primary);
  color: var(--text-white);
}

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

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition-fast);
  background: var(--bg-white);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(20, 103, 147, 0.1);
}

.form-textarea { min-height: 100px; resize: vertical; }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.form-error { color: var(--status-danger); font-size: 0.875rem; margin-top: var(--spacing-xs); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
  font-family: inherit;
  text-decoration: none;
}

.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-primary { background: var(--color-primary); color: var(--text-white); }
.btn-primary:hover:not(:disabled) { background: var(--color-primary-dark); }
.btn-secondary { background: var(--bg-hover); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover:not(:disabled) { background: var(--border-color); }
.btn-success { background: var(--status-success); color: var(--text-white); }
.btn-danger { background: var(--status-danger); color: var(--text-white); }
.btn-sm { padding: var(--spacing-xs) var(--spacing-sm); font-size: 0.8rem; }
.btn-icon { padding: var(--spacing-sm); }
.btn-icon svg { width: 18px; height: 18px; }

/* Tables */
.table-container { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }

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

.table th { background: var(--bg-hover); font-weight: 600; color: var(--text-primary); white-space: nowrap; }
.table tr:hover { background: var(--bg-hover); }
.table-clickable tr { cursor: pointer; }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-primary { background: rgba(20, 103, 147, 0.1); color: var(--color-primary); }
.badge-success { background: rgba(39, 174, 96, 0.1); color: var(--status-success); }
.badge-warning { background: rgba(243, 156, 18, 0.1); color: var(--status-warning); }
.badge-danger { background: rgba(231, 76, 60, 0.1); color: var(--status-danger); }
.badge-info { background: rgba(52, 152, 219, 0.1); color: var(--status-info); }

/* Deadline colors */
.deadline-safe { color: var(--deadline-safe); }
.deadline-warning { color: var(--deadline-warning); }
.deadline-danger { color: var(--deadline-danger); font-weight: 600; }

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-md);
  overflow-x: auto;
}

.tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  background: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.tab:hover { color: var(--color-primary); }
.tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* Timeline */
.timeline { position: relative; padding-left: var(--spacing-lg); }

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item { position: relative; padding-bottom: var(--spacing-lg); }

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--spacing-lg) + 4px);
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--bg-white);
}

.timeline-date { font-size: 0.8rem; color: var(--text-muted); margin-bottom: var(--spacing-xs); }

.timeline-content {
  background: var(--bg-hover);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
}

.timeline-title { font-weight: 600; margin-bottom: var(--spacing-xs); }

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  z-index: 1100;
  animation: fadeIn 200ms ease;
}

.modal {
  background: var(--bg-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 200ms ease;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.modal-title { font-size: 1.25rem; font-weight: 600; }

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: var(--spacing-xs);
  transition: var(--transition-fast);
}

.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: var(--spacing-lg); }

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

/* Login Page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--spacing-md);
}

.login-card {
  background: var(--bg-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xl);
  width: 100%;
  max-width: 400px;
}

.login-logo { text-align: center; margin-bottom: var(--spacing-xl); }
.login-logo img { max-width: 200px; height: auto; }
.login-title { text-align: center; font-size: 1.5rem; margin-bottom: var(--spacing-lg); color: var(--text-primary); }

.login-error {
  background: rgba(231, 76, 60, 0.1);
  color: var(--status-danger);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
}

/* Loading */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* Alerts */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.alert-success { background: rgba(39, 174, 96, 0.1); color: var(--status-success); border: 1px solid var(--status-success); }
.alert-error { background: rgba(231, 76, 60, 0.1); color: var(--status-danger); border: 1px solid var(--status-danger); }
.alert-warning { background: rgba(243, 156, 18, 0.1); color: var(--status-warning); border: 1px solid var(--status-warning); }
.alert-info { background: rgba(52, 152, 219, 0.1); color: var(--status-info); border: 1px solid var(--status-info); }

/* Empty States */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-muted);
}

.empty-state svg { width: 64px; height: 64px; margin-bottom: var(--spacing-md); opacity: 0.5; }
.empty-state-title { font-size: 1.125rem; font-weight: 600; margin-bottom: var(--spacing-sm); color: var(--text-secondary); }

/* Search Bar */
.search-bar {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.search-bar .form-input { flex: 1; min-width: 150px; }

/* File Upload */
.file-upload {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  text-align: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.file-upload:hover { border-color: var(--color-primary); background: var(--bg-hover); }
.file-upload-input { display: none; }
.file-upload-icon { color: var(--text-muted); margin-bottom: var(--spacing-sm); }
.file-upload-text { color: var(--text-secondary); font-size: 0.9rem; }

.file-preview {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--bg-hover);
  border-radius: var(--border-radius);
  margin-top: var(--spacing-sm);
}

.file-preview-name { flex: 1; font-size: 0.875rem; color: var(--text-primary); }

/* Page Headers */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.page-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.page-title svg { color: var(--color-primary); }

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

.stat-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(20, 103, 147, 0.1);
  color: var(--color-primary);
}

.stat-value { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }
.stat-label { font-size: 0.875rem; color: var(--text-secondary); }

/* Events / Agenda */
.event-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.event-card {
  display: flex;
  gap: var(--spacing-md);
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-primary);
}

.event-date-box {
  background: var(--color-primary);
  color: var(--text-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  text-align: center;
  min-width: 70px;
}

.event-day { font-size: 1.5rem; font-weight: 700; }
.event-month { font-size: 0.8rem; text-transform: uppercase; }
.event-details { flex: 1; }
.event-title { font-weight: 600; margin-bottom: var(--spacing-xs); }

.event-info {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.event-info-item { display: flex; align-items: center; gap: var(--spacing-xs); }

/* Responsive Mobile */
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .header-content { flex-wrap: wrap; }
  
  .nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--bg-white);
    flex-direction: column;
    transition: var(--transition-normal);
    z-index: 1001;
    box-shadow: var(--shadow-lg);
  }
  
  .nav.open { left: 0; }
  .nav-content { flex-direction: column; padding: var(--spacing-md); }
  
  .nav-link {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    border-left: 3px solid transparent;
  }
  
  .nav-link.active {
    border-bottom-color: var(--border-color);
    border-left-color: var(--color-primary);
    background: var(--bg-hover);
  }
  
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
  }
  
  .main-content { padding: var(--spacing-sm); }
  .card { padding: var(--spacing-md); }
  .adherent-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .table th, .table td { padding: var(--spacing-xs) var(--spacing-sm); font-size: 0.8rem; }
  .group-banner { padding: var(--spacing-md); }
  .group-banner-title { font-size: 1.25rem; }
  .group-banner-info { gap: var(--spacing-md); }
  .event-card { flex-direction: column; }
  .event-date-box { align-self: flex-start; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .modal { margin: var(--spacing-sm); max-height: calc(100vh - var(--spacing-md)); }
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-md { margin-top: var(--spacing-md); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }