/**
 * Styles admin - UNSA événements BFC
 * Version 5.0
 * Préfixe unique : unsa- (pour l'admin)
 */

:root {
  /* Couleurs principales */
  --unsa-primary: #4F46E5;
  --unsa-primary-hover: #1c13b2;
  --unsa-primary-light: #ffffff;
  --unsa-primary-dark: #020098;

  /* Couleurs secondaires */
  --unsa-secondary: #10B981;
  --unsa-secondary-hover: #00864e;
  --unsa-secondary-light: #f5ffff;

  /* Accent */
  --unsa-accent: #F59E0B;
  --unsa-accent-hover: #c26b00;

  /* Neutres */
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;

  /* Statuts */
  --success: #10B981;
  --danger: #EF4444;
  --warning: #F59E0B;
  --info: #3B82F6;

  /* Alias pour compatibilité */
  --unsa-blue: #4F46E5;
  --unsa-blue-light: #ffffff;

  /* Typographie */
  --font-family: 'Inter', -apple-system, sans-serif;
  --font-size-base: 16px;
  --line-height: 1.5;

  /* Espacements & rayons */
  --spacing: 1rem;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Ombres */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.1s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--gray-900);
  background: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.unsa-login-container {
  width: 100%;
  max-width: 400px;
  padding: 2rem;
}

.unsa-login-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.unsa-login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.unsa-login-header h1 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.unsa-login-header p {
  color: var(--gray-600);
  font-size: 0.9375rem;
}

.unsa-login-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--unsa-primary) 0%, var(--unsa-primary-dark) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
}

/* Admin layout */
.unsa-admin-layout {
  display: flex;
  min-height: 100vh;
}

.unsa-admin-sidebar {
  width: 260px;
  background: white;
  border-right: 1px solid var(--gray-200);
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.unsa-admin-header-logo {
  padding: 1.5rem;
  border-bottom: 1px solid var(--gray-200);
}

.unsa-admin-logo-img {
  max-width: 120px;
  height: auto;
}

.unsa-admin-nav {
  padding: 1rem 0;
}

.unsa-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: var(--gray-700);
  text-decoration: none;
  transition: var(--transition);
  font-weight: 500;
}

.unsa-nav-item:hover {
  background: var(--gray-50);
  color: var(--unsa-primary);
}

.unsa-nav-item.active {
  background: rgba(79, 70, 229, 0.1);
  color: var(--unsa-primary);
  border-left: 3px solid var(--unsa-primary);
}

.unsa-nav-item svg {
  width: 20px;
  height: 20px;
}

.unsa-admin-main {
  margin-left: 260px;
  flex: 1;
  padding: 2rem;
}

.unsa-admin-content {
  max-width: 1400px;
  margin: 0 auto;
}

/* Header de page */
.admin-header {
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.admin-header-subtitle {
  color: var(--gray-600);
  margin-top: 0.5rem;
}

/* Cards */
.unsa-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

.unsa-card-header {
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.unsa-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
}

/* Stats */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.stat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-card-icon.primary {
  background: var(--unsa-blue-light);
  color: var(--unsa-blue);
}

.stat-card-icon.success {
  background: var(--secondary-light);
  color: var(--success);
}

.stat-card-icon.warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.stat-card-title {
  font-size: 0.875rem;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.stat-card-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
}

/* Tables */
.unsa-table {
  width: 100%;
  border-collapse: collapse;
}

.unsa-table thead tr {
  border-bottom: 2px solid var(--gray-200);
}

.unsa-table th {
  text-align: left;
  padding: 0.75rem;
  color: var(--gray-600);
  font-weight: 600;
}

.unsa-table th.center {
  text-align: center;
}

.unsa-table th.right {
  text-align: right;
}

.unsa-table tbody tr {
  border-bottom: 1px solid var(--gray-200);
}

.unsa-table tbody tr:hover {
  background: var(--gray-50);
}

.unsa-table td {
  padding: 1rem;
}

.unsa-table td.center {
  text-align: center;
}

.unsa-table td.right {
  text-align: right;
}

.unsa-table-event-title {
  font-weight: 600;
  color: var(--gray-900);
}

.unsa-table-event-location {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-top: 0.25rem;
}

/* Status badges */
.unsa-status-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-block;
}

.unsa-status-badge.open {
  background: var(--secondary-light);
  color: var(--success);
}

.unsa-status-badge.closed {
  background: var(--gray-100);
  color: var(--gray-600);
}

/* Forms */
.unsa-form-group {
  margin-bottom: 1.5rem;
}

.unsa-form-label {
  display: block;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
}

.unsa-form-label-inline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  margin: 0;
}

.unsa-form-input,
.unsa-form-select,
.unsa-form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
  background: white;
}

.unsa-form-input:focus,
.unsa-form-select:focus,
.unsa-form-textarea:focus {
  outline: none;
  border-color: var(--unsa-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.unsa-form-textarea {
  min-height: 120px;
  resize: vertical;
}

.unsa-form-checkbox {
  width: auto;
  margin-right: 0.5rem;
}

.unsa-form-grid {
  display: grid;
  gap: 1rem;
}

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

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

/* Buttons */
.unsa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.unsa-btn svg {
  width: 18px;
  height: 18px;
}

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

.unsa-btn-primary:hover:not(:disabled) {
  background: var(--unsa-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.unsa-btn-secondary {
  background: var(--gray-200);
  color: var(--gray-700);
}

.unsa-btn-secondary:hover:not(:disabled) {
  background: var(--gray-300);
}

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

.unsa-btn-success:hover:not(:disabled) {
  background: var(--unsa-secondary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.unsa-btn-danger:hover:not(:disabled) {
  background: #dc2626;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.unsa-btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

/* Alerts */
.unsa-alert {
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.unsa-alert.error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border-left: 3px solid var(--danger);
}

.unsa-alert.success {
  background: var(--secondary-light);
  color: var(--success);
  border-left: 3px solid var(--success);
}

.unsa-alert.warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  border-left: 3px solid var(--warning);
}

.unsa-alert.info {
  background: rgba(59, 130, 246, 0.1);
  color: var(--info);
  border-left: 3px solid var(--info);
}

/* Empty state */
.unsa-empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--gray-500);
}

.unsa-empty-state svg {
  margin-bottom: 1rem;
  color: var(--gray-400);
}

.unsa-empty-state-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

/* Action buttons */
.unsa-action-btn {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius);
  background: var(--gray-100);
  color: var(--gray-600);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  margin: 0 0.25rem;
}

.unsa-action-btn:hover {
  background: var(--unsa-primary);
  color: white;
  transform: translateY(-2px);
}

.unsa-action-btn.danger:hover {
  background: var(--danger);
}

.unsa-action-btn svg {
  width: 16px;
  height: 16px;
}

/* Responsive */
@media (max-width: 968px) {
  .unsa-admin-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .unsa-admin-sidebar.open {
    transform: translateX(0);
  }

  .unsa-admin-main {
    margin-left: 0;
  }

  .unsa-form-grid-3,
  .unsa-form-grid-2 {
    grid-template-columns: 1fr;
  }
  
  .admin-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .unsa-admin-main {
    padding: 1rem;
  }

  .admin-header h1 {
    font-size: 1.5rem;
  }

  .unsa-card {
    padding: 1rem;
  }
}