/**
 * DigitalBaires Admin Panel Styles
 * Diseño moderno y responsive
 */

/* ========================================
   VARIABLES CSS
======================================== */

:root {
  /* Colores principales */
  --primary: #ff6b9d;
  --primary-dark: #e55a8a;
  --primary-light: #ff8bb3;
  --secondary: #6c757d;
  --success: #28a745;
  --danger: #dc3545;
  --warning: #ffc107;
  --info: #17a2b8;

  /* Grises */
  --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;

  /* Tipografía */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;

  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Bordes */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

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

  /* Layout */
  --sidebar-width: 260px;
  --header-height: 70px;
}

/* ========================================
   RESET Y BASE
======================================== */

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--gray-800);
  background: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   LAYOUT PRINCIPAL
======================================== */

.dashboard {
  display: flex;
  min-height: 100vh;
}

/* ========================================
   SIDEBAR
======================================== */

.sidebar {
  width: var(--sidebar-width);
  background: white;
  border-right: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 1000;
  overflow-y: auto;
}

.sidebar-header {
  padding: var(--spacing-xl) var(--spacing-lg);
  border-bottom: 1px solid var(--gray-200);
  text-align: center;
}

.sidebar-logo {
  max-width: 120px;
  height: auto;
  margin: 0 auto;
  display: block;
}

.sidebar-header h2 {
  font-size: var(--font-size-xl);
  color: var(--primary);
  margin: var(--spacing-sm) 0 0;
}

.sidebar-subtitle {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  margin-top: var(--spacing-xs);
}

/* Navegación del sidebar */
.sidebar-nav,
.sidebar-menu {
  flex: 1;
  padding: var(--spacing-md);
}

.nav-item,
.menu-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--gray-700);
  text-decoration: none;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xs);
  transition: all 0.3s ease;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.nav-item:hover,
.menu-item:hover {
  background: var(--gray-100);
  color: var(--primary);
}

.nav-item.active,
.menu-item.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  box-shadow: var(--shadow-md);
}

.nav-icon,
.menu-item-icon {
  font-size: var(--font-size-lg);
  margin-right: var(--spacing-sm);
  width: 24px;
  display: inline-block;
  text-align: center;
}

.nav-text {
  flex: 1;
}

/* Footer del sidebar */
.sidebar-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
  margin-top: auto;
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: var(--font-size-base);
}

.user-details {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--gray-800);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

/* ========================================
   MAIN CONTENT
======================================== */

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: var(--spacing-xl);
  width: calc(100% - var(--sidebar-width));
  min-height: 100vh;
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-xl);
  gap: var(--spacing-lg);
}

.content-header h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-xs);
}

.text-muted {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
}

.header-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Page header (dashboard) */
.page-header {
  margin-bottom: var(--spacing-xl);
}

.page-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-xs);
}

.page-subtitle {
  color: var(--gray-500);
  font-size: var(--font-size-base);
}

/* ========================================
   CARDS
======================================== */

.card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-xl);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--gray-200);
}

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

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

/* ========================================
   STATS CARDS
======================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--primary);
  transition: all 0.3s ease;
}

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

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--gray-900);
}

/* ========================================
   BOTONES
======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--gray-200);
  border-color: var(--gray-400);
}

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

.btn-danger:hover:not(:disabled) {
  background: #c82333;
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover:not(:disabled) {
  background: var(--primary);
  color: white;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
}

.btn-block {
  display: block;
  width: 100%;
}

.btn-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  padding: var(--spacing-lg);
}

.btn-loader {
  display: none;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ========================================
   FORMULARIOS
======================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

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

label {
  display: block;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="file"],
select,
textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  color: var(--gray-900);
  background: white;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.form-control:focus,
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.1);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

/* Estilos específicos para campos especiales */
input[type="url"] {
  font-family: 'Courier New', monospace;
  font-size: var(--font-size-xs);
  padding: var(--spacing-md);
  min-height: 48px;
}

input[type="datetime-local"] {
  min-height: 48px;
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
}

input[type="datetime-local"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  font-size: 1.2em;
  padding: 4px;
}

/* Campo que ocupa ancho completo del formulario */
.form-group.full-width {
  grid-column: 1 / -1;
}

.form-text {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  margin-top: var(--spacing-xs);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-weight: normal;
  margin-top: var(--spacing-md);
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  cursor: pointer;
}

.form-section {
  margin-top: var(--spacing-xl);
  margin-left: 0;
  margin-right: 0;
  padding: var(--spacing-lg);
  border: 2px solid var(--gray-200);
  background: var(--gray-50);
  border-radius: var(--radius-md);
}

.form-section h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-lg);
}

/* ========================================
   FILTROS
======================================== */

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

.filter-group {
  display: flex;
  flex-direction: column;
}

/* ========================================
   TABLAS
======================================== */

.table-container {
  overflow-x: auto;
  position: relative;
}

.table,
table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.table thead,
table thead {
  background: var(--gray-50);
  border-bottom: 2px solid var(--gray-200);
}

.table th,
table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--gray-700);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.table td,
table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--gray-200);
  vertical-align: middle;
  height: 60px; /* Altura fija para alinear bordes */
  box-sizing: border-box; /* Incluir padding en la altura */
  line-height: 1.5; /* Altura de línea consistente */
}

.table tbody tr,
table tbody tr {
  transition: background 0.2s ease;
  height: 60px; /* Forzar altura fija en la fila */
}

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

.td-actions {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid var(--gray-300);
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background: var(--gray-100);
  border-color: var(--gray-400);
  color: var(--gray-800);
}

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

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

/* ========================================
   BADGES
======================================== */

.badge {
  display: inline-flex; /* Cambiar a inline-flex para mejor control */
  align-items: center; /* Centrar verticalmente el contenido */
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  border-radius: var(--radius-md);
  vertical-align: middle;
  height: auto; /* Altura automática basada en contenido */
}

.badge-success {
  background: #d4edda;
  color: #155724;
}

.badge-warning {
  background: #fff3cd;
  color: #856404;
}

.badge-danger {
  background: #f8d7da;
  color: #721c24;
}

.badge-info {
  background: #d1ecf1;
  color: #0c5460;
}

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

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

.badge-tematica {
  background: #e8f5e9;
  color: #2e7d32;
  font-size: var(--font-size-xs);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.td-tematicas {
  max-width: 250px;
  font-size: var(--font-size-xs);
}

.td-tematicas .badge {
  margin-right: 0.25rem;
  margin-bottom: 0.25rem;
  display: inline-flex;
  white-space: nowrap;
}

.table-actions {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: flex-end;
  align-items: center;
  min-height: 60px; /* Alineación con otras celdas */
}

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

/* ========================================
   MODALES
======================================== */

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  overflow-y: auto;
}

.modal.active,
.modal-open {
  display: flex !important;
}

.modal-content {
  background: white;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 900px; /* Aumentado de 600px a 900px (+50%) */
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  animation: modalSlideIn 0.3s ease;
}

.modal-lg {
  max-width: 900px;
}

.modal-xl {
  max-width: 1200px;
  width: 95%;
}

.modal-sm {
  max-width: 400px;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h2 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-900);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: var(--font-size-3xl);
  line-height: 1;
  color: var(--gray-400);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-800);
}

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  flex: 1;
  background: white;
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
  background: white;
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

/* ========================================
   ALERTS
======================================== */

.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  border-left: 4px solid;
}

.alert-info {
  background: #d1ecf1;
  border-color: var(--info);
  color: #0c5460;
}

.alert-success {
  background: #d4edda;
  border-color: var(--success);
  color: #155724;
}

.alert-warning {
  background: #fff3cd;
  border-color: var(--warning);
  color: #856404;
}

.alert-danger {
  background: #f8d7da;
  border-color: var(--danger);
  color: #721c24;
}

/* ========================================
   LOADING STATES
======================================== */

.loading-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  text-align: center;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: var(--spacing-md);
}

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

.loading-indicator p {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
}

/* ========================================
   EMPTY STATES
======================================== */

.empty-state {
  padding: var(--spacing-2xl);
  text-align: center;
  color: var(--gray-500);
}

.empty-state p {
  font-size: var(--font-size-base);
  margin: 0;
}

/* ========================================
   PAGINACIÓN
======================================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
}

.page-info {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  font-weight: 500;
}

/* ========================================
   FILE UPLOAD
======================================== */

.upload-area {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  background: var(--gray-50);
}

.upload-area:hover {
  border-color: var(--primary);
  background: white;
}

.upload-area.drag-over {
  border-color: var(--primary);
  background: rgba(255, 107, 157, 0.05);
}

.upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.upload-icon {
  font-size: 3rem;
  margin: 0;
}

.upload-text {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  margin: 0;
}

.file-info {
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-md);
  margin-top: var(--spacing-md);
}

.upload-progress {
  padding: var(--spacing-lg);
  text-align: center;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  margin: var(--spacing-md) 0;
}

/* ========================================
   FILES PREVIEW
======================================== */

.files-preview-container {
  margin-top: var(--spacing-lg);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--spacing-md);
}

.file-preview-item {
  position: relative;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--gray-50);
}

.file-preview-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.file-preview-image,
.file-preview-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.file-preview-actions {
  position: absolute;
  top: var(--spacing-xs);
  right: var(--spacing-xs);
  display: flex;
  gap: var(--spacing-xs);
}

.file-preview-item .badge {
  position: absolute;
  top: var(--spacing-xs);
  left: var(--spacing-xs);
  z-index: 5;
}

.btn-remove-file {
  width: 28px;
  height: 28px;
  padding: 0;
  background: var(--danger);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  transition: all 0.2s ease;
  box-shadow: var(--shadow-md);
}

.btn-remove-file:hover {
  background: #c82333;
  transform: scale(1.1);
}

/* ========================================
   GALERÍA DE IMÁGENES EN TABLA
======================================== */

.td-image {
  width: 80px;
  padding: var(--spacing-xs) !important;
}

.product-thumbnail-wrapper {
  position: relative;
  width: 60px;
  height: 60px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: all 0.3s ease;
  border: 2px solid var(--gray-200);
}

.product-thumbnail-wrapper:hover {
  transform: scale(1.1);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.product-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.thumbnail-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--primary);
  color: white;
  font-size: 10px;
  font-weight: bold;
  padding: 2px 6px;
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
}

.product-no-image {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--gray-100);
  border-radius: var(--radius-sm);
  font-size: 24px;
  color: var(--gray-400);
}

/* ========================================
   MODAL DE GALERÍA
======================================== */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-md);
}

.gallery-item {
  position: relative;
  border: 3px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  background: white;
  aspect-ratio: 1;
}

.gallery-item:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.gallery-item-principal {
  border-color: var(--warning);
  box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.2);
}

.gallery-item img,
.gallery-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-item-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 48px;
  color: white;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
  pointer-events: none;
}

.gallery-item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  padding: var(--spacing-sm);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: white;
  font-size: var(--font-size-sm);
}

/* ========================================
   VISOR DE ARCHIVOS EN GRANDE
======================================== */

.gallery-viewer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.gallery-viewer.active {
  display: flex !important;
}

.gallery-viewer-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.gallery-viewer-close {
  position: absolute;
  top: -50px;
  right: 0;
  background: white;
  border: none;
  font-size: 32px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  color: var(--gray-800);
  box-shadow: var(--shadow-lg);
}

.gallery-viewer-close:hover {
  background: var(--danger);
  color: white;
  transform: rotate(90deg);
}

.viewer-content {
  max-width: 100%;
  max-height: calc(90vh - 100px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.viewer-image {
  max-width: 100%;
  max-height: calc(90vh - 100px);
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
}

.viewer-video {
  max-width: 100%;
  max-height: calc(90vh - 100px);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
}

.viewer-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

/* ========================================
   LOGIN PAGE
======================================== */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  padding: var(--spacing-lg);
}

.login-container {
  width: 100%;
  max-width: 420px;
}

.login-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-2xl);
}

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

.login-logo {
  max-width: 150px;
  height: auto;
  margin: 0 auto var(--spacing-lg);
  display: block;
}

.login-header h1 {
  font-size: var(--font-size-2xl);
  color: var(--gray-900);
  margin-bottom: var(--spacing-xs);
}

.login-header p {
  font-size: var(--font-size-base);
  color: var(--primary);
  font-weight: 600;
}

.login-form {
  margin-bottom: var(--spacing-lg);
}

.error-message {
  padding: var(--spacing-md);
  background: #f8d7da;
  color: #721c24;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
  border-left: 4px solid var(--danger);
}

.success-message {
  padding: var(--spacing-md);
  background: #d4edda;
  color: #155724;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
  border-left: 4px solid var(--success);
}

.login-footer {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
}

.login-footer p {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  margin: 0;
}

/* ========================================
   IMPORT/EXPORT
======================================== */

.import-progress {
  padding: var(--spacing-lg);
  text-align: center;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  margin: var(--spacing-md) 0;
}

.import-result {
  padding: var(--spacing-md);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  margin: var(--spacing-md) 0;
}

.link {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */

@media (max-width: 1024px) {
  :root {
    --sidebar-width: 220px;
  }

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

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    width: 100%;
    padding: var(--spacing-md);
  }

  .content-header {
    flex-direction: column;
    align-items: stretch;
  }

  .header-actions {
    width: 100%;
  }

  .header-actions .btn {
    flex: 1;
  }

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
  }

  .modal-xl {
    width: 100%;
    max-width: 100%;
    margin: 0;
    border-radius: 0;
  }

  .gallery-viewer-content {
    max-width: 95vw;
    max-height: 95vh;
  }

  .viewer-image,
  .viewer-video {
    max-height: calc(95vh - 80px);
  }

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

  .table {
    font-size: var(--font-size-xs);
  }

  .table th,
  .table td {
    padding: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .content-header h1,
  .page-title {
    font-size: var(--font-size-xl);
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    width: 100%;
  }

  .modal-content {
    max-width: 100%;
    margin: 0;
    border-radius: 0;
    max-height: 100vh;
  }

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

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

/* ========================================
   UTILITIES
======================================== */

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

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

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

.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); }

.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); }

.d-none {
  display: none !important;
}

.d-block {
  display: block !important;
}

.d-flex {
  display: flex !important;
}

/* ========================================
   ANIMATIONS
======================================== */

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

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

/* ========================================
   PRINT STYLES
======================================== */

@media print {
  .sidebar,
  .header-actions,
  .btn,
  .modal {
    display: none !important;
  }

  .main-content {
    margin-left: 0;
    width: 100%;
  }

  .card {
    box-shadow: none;
    border: 1px solid var(--gray-300);
  }
}

/* ===================================
   PENDING FILES PREVIEW (Solución 2)
   =================================== */
.pending-files-preview {
  margin-top: 15px;
  padding: 15px;
  background: #f8f9fa;
  border: 2px dashed #6c757d;
  border-radius: 8px;
}

.pending-files-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #dee2e6;
}

.pending-files-header strong {
  color: #495057;
  font-size: 14px;
}

.pending-files-header small {
  font-size: 12px;
}

.pending-files-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pending-file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: white;
  border: 1px solid #dee2e6;
  border-radius: 6px;
  transition: all 0.2s;
}

.pending-file-item:hover {
  border-color: #4a90e2;
  box-shadow: 0 2px 4px rgba(74, 144, 226, 0.1);
}

.pending-file-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.pending-file-name {
  flex: 1;
  font-size: 13px;
  color: #495057;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pending-file-size {
  font-size: 12px;
  color: #6c757d;
  flex-shrink: 0;
}

.btn-remove-pending {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  padding: 4px;
  opacity: 0.6;
  transition: opacity 0.2s;
  flex-shrink: 0;
}

.btn-remove-pending:hover {
  opacity: 1;
}

/* ========================================
   NOTIFICACIONES TOAST
======================================== */

#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 99999; /* Mayor que modal (9999) */
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 400px;
  max-width: 550px;
  padding: 20px 24px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
  opacity: 0;
  transform: translateX(400px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: auto;
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

.toast.hide {
  opacity: 0;
  transform: translateX(400px);
}

.toast-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.toast-message {
  flex: 1;
  font-size: 16px;
  font-weight: 500;
  color: #1f2937;
  line-height: 1.5;
}

.toast-close {
  background: none;
  border: none;
  font-size: 20px;
  color: #9ca3af;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s;
  flex-shrink: 0;
}

.toast-close:hover {
  background: #f3f4f6;
  color: #374151;
}

/* Tipos de toast con bordes de color */
.toast-success {
  border-left: 4px solid #10b981;
}

.toast-error {
  border-left: 4px solid #ef4444;
}

.toast-warning {
  border-left: 4px solid #f59e0b;
}

.toast-info {
  border-left: 4px solid #3b82f6;
}

/* Responsive para móvil */
@media (max-width: 640px) {
  #toast-container {
    top: 10px;
    right: 10px;
    left: 10px;
  }

  .toast {
    min-width: unset;
    max-width: unset;
  }
}

/* ========================================
   GALLERY UPLOAD - Progress Bar
   ======================================== */
.upload-progress {
  margin: 1rem 0 0 0;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.progress-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
}

.progress-bar-container {
  width: 100%;
  height: 8px;
  background: #e5e7eb;
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 4px;
  transition: width 0.3s ease;
  width: 0%;
}

/* ========================================
   SORTABLE.JS - Visual Feedback
   ======================================== */

/* Elemento fantasma (ghost) durante drag */
.sortable-ghost {
  opacity: 0.4;
  background: var(--primary-light, #fef3f7);
  border: 2px dashed var(--primary);
  transform: scale(0.98);
}

/* Elemento siendo arrastrado */
.sortable-drag {
  cursor: grabbing !important;
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  z-index: 9999;
  opacity: 0.9;
}

/* Elemento seleccionado (chosen) */
.sortable-chosen {
  cursor: grab;
}

/* Cuando la galería está en modo dragging */
.gallery-grid.dragging {
  background: #f9fafb;
}

.gallery-grid.dragging .gallery-item:not(.sortable-drag) {
  opacity: 0.6;
  transition: opacity 0.2s;
}

/* Cursor grab en items de galería */
.gallery-item {
  cursor: grab;
}

.gallery-item:active {
  cursor: grabbing;
}

/* Botones de acción en galería */
.gallery-item-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.btn-gallery-action {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-gallery-action:hover {
  background: #ffc107;
  transform: scale(1.1);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-gallery-action:active {
  transform: scale(0.95);
}

/* ========================================
   RESPONSIVE - Gallery Upload
   ======================================== */
@media (max-width: 768px) {
  .upload-progress {
    margin: 0.75rem 0 0 0;
    padding: 0.75rem;
  }

  .progress-info {
    font-size: 0.8125rem;
  }

  .progress-bar-container {
    height: 6px;
  }
}