/* ============================================================
   STUDIO DE L'ANGE — Administration CMS Stylesheet
   Modern, Clean, Responsive Design System
   ============================================================ */

:root {
  --primary: #7c3aed;
  --primary-hover: #6d28d9;
  --primary-light: #f5f3ff;
  --primary-border: #ddd6fe;
  --accent: #a120de;
  --dark: #0f172a;
  --dark-surface: #1e293b;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --white: #ffffff;
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --info: #3b82f6;
  --info-light: #eff6ff;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --transition: all 0.2s ease-in-out;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--gray-800);
  background-color: #f1f5f9;
  min-height: 100vh;
  display: flex;
}

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

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

/* ============================================================
   LAYOUT (SIDEBAR + MAIN CONTENT)
   ============================================================ */

.admin-layout {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
  width: 260px;
  background-color: var(--dark-surface);
  color: var(--gray-300);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: var(--transition);
  overflow-y: auto;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-header {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-logo span {
  color: #c084fc;
}

.sidebar-badge {
  font-size: 10px;
  background: rgba(168, 85, 247, 0.2);
  color: #d8b4fe;
  border: 1px solid rgba(168, 85, 247, 0.4);
  padding: 2px 6px;
  border-radius: 20px;
  text-transform: uppercase;
  font-weight: 600;
}

.sidebar-nav {
  padding: 16px 12px;
  flex: 1;
}

.nav-category {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  color: var(--gray-500);
  padding: 12px 12px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: var(--gray-300);
  border-radius: var(--radius-sm);
  font-weight: 500;
  margin-bottom: 3px;
  transition: var(--transition);
}

.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.07);
  color: var(--white);
  transform: translateX(3px);
}

.nav-item.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: var(--white);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.35);
}

.nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: var(--gray-500);
}

/* Main Content Area */
.admin-main {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Top Header */
.admin-topbar {
  background-color: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: var(--shadow-sm);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--gray-700);
  cursor: pointer;
}

.page-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-view-site {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background-color: var(--gray-100);
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--gray-200);
}

.btn-view-site:hover {
  background-color: var(--gray-200);
  color: var(--gray-900);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
}

/* Page Body */
.admin-content {
  padding: 32px;
  flex: 1;
}

/* ============================================================
   UI COMPONENTS (CARDS, BUTTONS, FORMS, TABLES)
   ============================================================ */

/* Flash Alerts */
.flash-container {
  margin-bottom: 24px;
}

.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid transparent;
}

.alert-success {
  background-color: var(--success-light);
  color: #065f46;
  border-color: #a7f3d0;
}

.alert-danger {
  background-color: var(--danger-light);
  color: #991b1b;
  border-color: #fecaca;
}

.alert-warning {
  background-color: var(--warning-light);
  color: #92400e;
  border-color: #fde68a;
}

.alert-info {
  background-color: var(--info-light);
  color: #1e40af;
  border-color: #bfdbfe;
}

/* Cards */
.card {
  background-color: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  overflow: hidden;
}

.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #fafbfc;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-subtitle {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 2px;
}

.card-body {
  padding: 24px;
}

.card-footer {
  padding: 16px 24px;
  background-color: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

/* Stats Grid for Dashboard */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background-color: var(--white);
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

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

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.stat-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--gray-900);
}

.stat-label {
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: var(--white);
  box-shadow: 0 2px 4px rgba(124, 58, 237, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover) 0%, #8b18c4 100%);
  color: var(--white);
  box-shadow: 0 4px 8px rgba(124, 58, 237, 0.35);
}

.btn-secondary {
  background-color: var(--gray-100);
  color: var(--gray-700);
  border-color: var(--gray-300);
}

.btn-secondary:hover {
  background-color: var(--gray-200);
  color: var(--gray-900);
}

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

.btn-success:hover {
  background-color: #059669;
}

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

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12.5px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-help {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 4px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--gray-800);
  background-color: var(--white);
  transition: var(--transition);
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

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

.form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.form-col {
  flex: 1;
}

/* File Upload Zone */
.upload-zone {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  background-color: var(--gray-50);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.upload-zone:hover {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.upload-icon {
  font-size: 32px;
  color: var(--primary);
  margin-bottom: 8px;
}

.upload-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
}

.upload-subtext {
  font-size: 11.5px;
  color: var(--gray-500);
  margin-top: 2px;
}

.preview-container {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.img-preview {
  max-width: 120px;
  max-height: 80px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
  object-fit: cover;
  background-color: var(--white);
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.table th {
  background-color: var(--gray-50);
  padding: 12px 16px;
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-200);
}

.table td {
  padding: 14px 16px;
  font-size: 13.5px;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-200);
  vertical-align: middle;
}

.table tr:hover td {
  background-color: var(--gray-50);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
}

.badge-success {
  background-color: var(--success-light);
  color: #065f46;
}

.badge-danger {
  background-color: var(--danger-light);
  color: #991b1b;
}

.badge-info {
  background-color: var(--info-light);
  color: #1e40af;
}

/* Login Page Styling */
.login-body {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #3b0764 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.25), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.login-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--gray-900);
}

.login-subtitle {
  font-size: 13.5px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* Responsive */
@media (max-width: 991px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }

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

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

  .menu-toggle {
    display: block;
  }

  .admin-content {
    padding: 20px;
  }

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