/* ==========================================
   ADMIN.CSS - ESTILOS PROFESIONALES
   ========================================== */

/* Variables y temas */
:root {
  --admin-primary: #8b5cf6;
  --admin-primary-dark: #7c3aed;
  --admin-primary-light: #a78bfa;
  --admin-secondary: #f59e0b;
  --admin-success: #10b981;
  --admin-danger: #ef4444;
  --admin-warning: #f59e0b;
  --admin-info: #3b82f6;
  --admin-dark: #1f2937;
  --admin-gray: #6b7280;
  --admin-light: #f9fafb;
  --admin-white: #ffffff;
  --admin-border: #e5e7eb;
  --admin-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
  --admin-shadow-hover: 0 20px 30px -10px rgba(139, 92, 246, 0.2);
  --admin-radius: 16px;
  --admin-radius-sm: 12px;
  --admin-radius-lg: 24px;
  --admin-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Layout Principal */
.admin-wrapper {
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 20px;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.admin-container {
  max-width: 1600px;
  margin: 0 auto;
}

/* Header Mejorado */
.admin-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--admin-radius-lg);
  padding: 24px 32px;
  margin-bottom: 24px;
  box-shadow: var(--admin-shadow);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--admin-transition);
}

.admin-header:hover {
  box-shadow: var(--admin-shadow-hover);
}

.admin-header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.admin-title {
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin-title-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-dark) 100%);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 16px -4px rgba(139, 92, 246, 0.3);
}

.admin-title-icon i {
  width: 32px;
  height: 32px;
  color: white;
  stroke-width: 2;
}

.admin-title h1 {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--admin-dark) 0%, var(--admin-primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
  letter-spacing: -0.5px;
}

.admin-subtitle {
  color: var(--admin-gray);
  font-size: 14px;
  font-weight: 500;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-subtitle i {
  width: 16px;
  height: 16px;
}

.admin-actions {
  display: flex;
  gap: 12px;
}

/* Botones Mejorados */
.admin-btn {
  padding: 12px 24px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--admin-transition);
  border: none;
  cursor: pointer;
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

.admin-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.admin-btn:hover::before {
  width: 300px;
  height: 300px;
}

.admin-btn i {
  width: 18px;
  height: 18px;
  transition: transform 0.3s;
}

.admin-btn:hover i {
  transform: translateX(3px);
}

.admin-btn-primary {
  background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-dark) 100%);
  color: white;
  box-shadow: 0 4px 12px -2px rgba(139, 92, 246, 0.4);
}

.admin-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -4px rgba(139, 92, 246, 0.6);
}

.admin-btn-secondary {
  background: white;
  color: var(--admin-dark);
  border: 2px solid var(--admin-border);
}

.admin-btn-secondary:hover {
  background: var(--admin-light);
  border-color: var(--admin-primary);
  color: var(--admin-primary);
  transform: translateY(-2px);
}

.admin-btn-danger {
  background: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
  color: white;
  box-shadow: 0 4px 12px -2px rgba(225, 29, 72, 0.4);
}

/* Navegación Mejorada */
.admin-nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--admin-radius);
  padding: 16px;
  margin-bottom: 24px;
  box-shadow: var(--admin-shadow);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.admin-nav-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-nav-item {
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  color: var(--admin-gray);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--admin-transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.admin-nav-item i {
  width: 18px;
  height: 18px;
  transition: var(--admin-transition);
}

.admin-nav-item:hover {
  background: rgba(139, 92, 246, 0.08);
  color: var(--admin-primary);
  border-color: rgba(139, 92, 246, 0.2);
}

.admin-nav-item.active {
  background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-dark) 100%);
  color: white;
  box-shadow: 0 8px 16px -4px rgba(139, 92, 246, 0.4);
}

.admin-nav-item.active i {
  color: white;
}

/* Cards de Contenido */
.admin-content {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--admin-radius-lg);
  padding: 32px;
  box-shadow: var(--admin-shadow);
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: slideIn 0.5s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tarjetas de Estadísticas */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
  border-radius: var(--admin-radius);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  border: 1px solid var(--admin-border);
  transition: var(--admin-transition);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--admin-primary), var(--admin-secondary));
}

.stat-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: var(--admin-shadow-hover);
}

.stat-icon {
  width: 64px;
  height: 64px;
  background: rgba(139, 92, 246, 0.1);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon i {
  width: 32px;
  height: 32px;
  color: var(--admin-primary);
  stroke-width: 1.5;
}

.stat-info {
  flex: 1;
}

.stat-value {
  font-size: 36px;
  font-weight: 800;
  color: var(--admin-dark);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--admin-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Tablas Modernas */
.admin-table-container {
  background: white;
  border-radius: var(--admin-radius);
  border: 1px solid var(--admin-border);
  overflow: hidden;
  margin-top: 24px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table thead {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.admin-table th {
  padding: 20px 16px;
  text-align: left;
  font-weight: 700;
  font-size: 13px;
  color: var(--admin-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--admin-border);
}

.admin-table td {
  padding: 16px;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
  transition: var(--admin-transition);
}

.admin-table tbody tr:hover {
  background: rgba(139, 92, 246, 0.04);
  cursor: pointer;
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

/* Formularios Mejorados */
.admin-form {
  background: white;
  border-radius: var(--admin-radius);
  padding: 32px;
}

.admin-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.admin-form-group {
  margin-bottom: 20px;
}

.admin-form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--admin-dark);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-form-input {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--admin-border);
  border-radius: 14px;
  font-size: 14px;
  transition: var(--admin-transition);
  background: white;
}

.admin-form-input:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

.admin-form-input:hover {
  border-color: var(--admin-primary-light);
}

/* Badges y Etiquetas */
.admin-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.admin-badge-success {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  color: #065f46;
}

.admin-badge-warning {
  background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%);
  color: #92400e;
}

.admin-badge-danger {
  background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
  color: #991b1b;
}

.admin-badge-info {
  background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
  color: #1e40af;
}

/* Modales Mejorados */
.admin-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.3s ease;
}

.admin-modal-content {
  background: white;
  border-radius: var(--admin-radius-lg);
  padding: 40px;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  animation: modalSlideIn 0.4s ease;
  position: relative;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.admin-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--admin-border);
}

.admin-modal-title {
  font-size: 24px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--admin-dark) 0%, var(--admin-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
}

.admin-modal-close {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--admin-light);
  border: none;
  cursor: pointer;
  transition: var(--admin-transition);
}

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

.admin-modal-close i {
  width: 20px;
  height: 20px;
}

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

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

/* Loading States */
.admin-loading {
  position: relative;
  overflow: hidden;
}

.admin-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s infinite;
}

/* Responsive */
@media (max-width: 768px) {
  .admin-wrapper {
    padding: 12px;
  }
  
  .admin-header-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .admin-title {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
  
  .admin-nav-items {
    flex-direction: column;
  }
  
  .admin-nav-item {
    width: 100%;
    justify-content: center;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .admin-content {
    padding: 20px;
  }
  
  .admin-table {
    display: block;
    overflow-x: auto;
  }
}

/* Scrollbar Personalizada */
.admin-scrollbar::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.admin-scrollbar::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 10px;
}

.admin-scrollbar::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-dark) 100%);
  border-radius: 10px;
}

.admin-scrollbar::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--admin-primary-dark) 0%, var(--admin-primary) 100%);
}