/* ============================================
   ADMIN PANEL - MODERN DESIGN + MARKETING
   ============================================ */

:root {
  --admin-primary: #6366f1;
  --admin-primary-dark: #4f46e5;
  --admin-primary-light: #818cf8;
  --admin-secondary: #8b5cf6;
  --admin-success: #10b981;
  --admin-warning: #f59e0b;
  --admin-danger: #ef4444;
  --admin-info: #06b6d4;
  --admin-purple: #a855f7;
  --admin-pink: #ec4899;
  --admin-orange: #f97316;
  
  --admin-bg: #f8fafc;
  --admin-card-bg: #ffffff;
  --admin-border: #e2e8f0;
  --admin-text: #1e293b;
  --admin-text-muted: #64748b;
  
  --admin-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --admin-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --admin-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --admin-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --admin-radius: 12px;
  --admin-radius-lg: 16px;
  --admin-radius-xl: 20px;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */

body {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #e0e7ff 100%);
  background-attachment: fixed;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--admin-text);
  min-height: 100vh;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

/* ============================================
   NAVBAR / TOPBAR
   ============================================ */

.admin-navbar {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border-bottom: 1px solid var(--admin-border);
  box-shadow: var(--admin-shadow-sm);
  backdrop-filter: blur(10px);
  padding: 0.75rem 0;
}

.admin-navbar .navbar-brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--admin-primary) !important;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: transform 0.2s ease;
}

.admin-navbar .navbar-brand:hover {
  transform: scale(1.02);
}

.admin-navbar .navbar-brand img {
  height: 40px;
  border-radius: 8px;
}

.admin-navbar .nav-link {
  color: var(--admin-text) !important;
  font-weight: 600;
  padding: 0.5rem 1rem !important;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
}

.admin-navbar .nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 3px;
  background: linear-gradient(90deg, var(--admin-primary) 0%, var(--admin-secondary) 100%);
  border-radius: 2px;
  transition: transform 0.3s ease;
}

.admin-navbar .nav-link:hover::before,
.admin-navbar .nav-link.active::before {
  transform: translateX(-50%) scaleX(1);
}

.admin-navbar .nav-link:hover {
  background: linear-gradient(135deg, var(--admin-primary-light) 0%, var(--admin-primary) 100%);
  color: white !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.admin-navbar .nav-link i {
  font-size: 1.1rem;
}

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

.admin-card {
  background: var(--admin-card-bg);
  border: none;
  border-radius: var(--admin-radius-lg);
  box-shadow: var(--admin-shadow);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  position: relative;
}

.admin-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--admin-primary) 0%, var(--admin-secondary) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.admin-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--admin-shadow-xl);
}

.admin-card:hover::before {
  transform: scaleX(1);
}

.admin-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}

.admin-card-link:hover {
  color: inherit;
}

/* Dashboard Cards */
.dashboard-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: var(--admin-shadow);
}

.dashboard-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-secondary) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.dashboard-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.dashboard-card:hover::before {
  opacity: 0.08;
}

.dashboard-card:hover::after {
  opacity: 1;
}

.dashboard-card:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
  border-color: var(--admin-primary-light);
}

.dashboard-card i {
  font-size: 4rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all 0.4s ease;
  filter: drop-shadow(0 4px 6px rgba(99, 102, 241, 0.2));
}

.dashboard-card:hover i {
  transform: scale(1.2) rotate(10deg);
  filter: drop-shadow(0 8px 12px rgba(99, 102, 241, 0.4));
}

.dashboard-card h5 {
  font-weight: 700;
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  color: var(--admin-text);
  letter-spacing: -0.02em;
}

.dashboard-card .small {
  color: var(--admin-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Stats Cards */
.stats-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border: none;
  border-radius: var(--admin-radius-lg);
  padding: 1.75rem;
  box-shadow: var(--admin-shadow);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stats-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--admin-primary) 0%, var(--admin-secondary) 100%);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.3s ease;
}

.stats-card:hover::before {
  transform: scaleY(1);
}

.stats-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--admin-shadow-xl);
}

.stats-card-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1rem;
  transition: transform 0.3s ease;
}

.stats-card:hover .stats-card-icon {
  transform: scale(1.1) rotate(5deg);
}

.stats-card-value {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stats-card-label {
  color: var(--admin-text-muted);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stats-card-change {
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.stats-card-change.positive {
  color: var(--admin-success);
}

.stats-card-change.negative {
  color: var(--admin-danger);
}

/* Gradient Variants */
.stats-card-primary .stats-card-icon {
  background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-dark) 100%);
  color: white;
}

.stats-card-success .stats-card-icon {
  background: linear-gradient(135deg, var(--admin-success) 0%, #059669 100%);
  color: white;
}

.stats-card-warning .stats-card-icon {
  background: linear-gradient(135deg, var(--admin-warning) 0%, #d97706 100%);
  color: white;
}

.stats-card-danger .stats-card-icon {
  background: linear-gradient(135deg, var(--admin-danger) 0%, #dc2626 100%);
  color: white;
}

.stats-card-info .stats-card-icon {
  background: linear-gradient(135deg, var(--admin-info) 0%, #0891b2 100%);
  color: white;
}

.stats-card-purple .stats-card-icon {
  background: linear-gradient(135deg, var(--admin-purple) 0%, #9333ea 100%);
  color: white;
}

/* Table Cards */
.table-card {
  background: var(--admin-card-bg);
  border: none;
  border-radius: var(--admin-radius-lg);
  box-shadow: var(--admin-shadow);
  overflow: hidden;
}

.table-card .card-body {
  padding: 0;
}

.table-card table {
  margin: 0;
}

.table-card thead {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-bottom: 2px solid var(--admin-border);
}

.table-card thead th {
  font-weight: 600;
  color: var(--admin-text);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  padding: 1rem;
  border: none;
}

.table-card tbody tr {
  transition: all 0.2s ease;
  border-bottom: 1px solid var(--admin-border);
}

.table-card tbody tr:hover {
  background: linear-gradient(90deg, #f8fafc 0%, transparent 100%);
  transform: translateX(4px);
}

.table-card tbody td {
  padding: 1rem;
  vertical-align: middle;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn-admin {
  border-radius: var(--admin-radius);
  font-weight: 600;
  padding: 0.625rem 1.25rem;
  transition: all 0.2s ease;
  border: none;
}

.btn-admin-primary {
  background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-dark) 100%);
  color: white;
  box-shadow: var(--admin-shadow);
}

.btn-admin-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--admin-shadow-lg);
  background: linear-gradient(135deg, var(--admin-primary-dark) 0%, var(--admin-primary) 100%);
}

.btn-admin-outline {
  border: 2px solid var(--admin-primary);
  color: var(--admin-primary);
  background: transparent;
}

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

.btn-sm {
  border-radius: 8px;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
}

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

.status-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-pendiente {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #92400e;
}

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

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

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

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

.status-inactivo {
  background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
  color: #6b7280;
}

/* ============================================
   MODALS
   ============================================ */

/* Asegurar que los modales funcionen correctamente con ob_start() */
.modal-backdrop {
  z-index: 1040 !important;
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  background-color: rgba(0, 0, 0, 0.5) !important;
}

.modal {
  z-index: 1050 !important;
  position: fixed !important;
}

.modal.show {
  display: block !important;
}

.modal-dialog {
  z-index: 1051 !important;
  position: relative !important;
}

.modal-content {
  border: none;
  border-radius: var(--admin-radius-lg);
  box-shadow: var(--admin-shadow-xl);
  z-index: 1052 !important;
  position: relative !important;
}

.modal-header {
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  border-bottom: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-lg) var(--admin-radius-lg) 0 0;
  padding: 1.5rem;
  position: relative !important;
  z-index: 1 !important;
}

.modal-title {
  font-weight: 700;
  color: var(--admin-text);
}

.modal-body {
  padding: 1.5rem;
  position: relative !important;
  z-index: 1 !important;
}

.modal-footer {
  border-top: 1px solid var(--admin-border);
  padding: 1.5rem;
  background: #f8fafc;
  border-radius: 0 0 var(--admin-radius-lg) var(--admin-radius-lg);
  position: relative !important;
  z-index: 1 !important;
}

/* ============================================
   FORMS
   ============================================ */

.form-control,
.form-select {
  border: 2px solid var(--admin-border);
  border-radius: var(--admin-radius);
  padding: 0.625rem 1rem;
  transition: all 0.2s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  outline: none;
}

.form-label {
  font-weight: 600;
  color: var(--admin-text);
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

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

.page-header {
  margin-bottom: 2rem;
}

.page-title {
  font-weight: 700;
  font-size: 2rem;
  color: var(--admin-text);
  margin-bottom: 0.5rem;
}

.page-subtitle {
  color: var(--admin-text-muted);
  font-size: 1rem;
}

.section-card {
  background: var(--admin-card-bg);
  border-radius: var(--admin-radius-lg);
  box-shadow: var(--admin-shadow);
  padding: 2rem;
  margin-bottom: 2rem;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

.slide-in-up {
  animation: slideInUp 0.6s ease-out;
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Marketing Badges */
.marketing-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-secondary) 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
  animation: pulse 2s ease-in-out infinite;
}

.marketing-badge i {
  font-size: 1rem;
}

/* Progress Bars */
.progress-modern {
  height: 8px;
  border-radius: 10px;
  background: #e2e8f0;
  overflow: hidden;
  position: relative;
}

.progress-modern-bar {
  height: 100%;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--admin-primary) 0%, var(--admin-secondary) 100%);
  position: relative;
  overflow: hidden;
}

.progress-modern-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

/* Chart Container */
.chart-container {
  background: white;
  border-radius: var(--admin-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--admin-shadow);
  margin-bottom: 2rem;
}

.chart-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--admin-text);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chart-title i {
  color: var(--admin-primary);
}

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

@media (max-width: 768px) {
  .dashboard-card {
    padding: 2rem 1rem;
  }
  
  .dashboard-card i {
    font-size: 2.5rem;
  }
  
  .page-title {
    font-size: 1.5rem;
  }
  
  .table-card {
    border-radius: var(--admin-radius);
  }
}