/* ============================================
   Gym Manager - Estilos Personalizados
   Colores de Marca: #086CFE, #003EAD, #FF4C00, #C13200
   ============================================ */

:root {
  /* Colores de Marca - Azules */
  --brand-blue-primary: #086CFE;
  --brand-blue-dark: #003EAD;

  /* Colores de Marca - Naranjas */
  --brand-orange-primary: #FF4C00;
  --brand-orange-dark: #C13200;

  /* Colores Base */
  --primary-color: #086CFE;
  --secondary-color: #003EAD;
  --accent-color: #FF4C00;
  --accent-dark: #C13200;

  /* Colores de Estado (Bootstrap compatibles) */
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #FF4C00;
  --info-color: #086CFE;

  /* Colores Neutros */
  --white: #ffffff;
  --black: #000000;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-700: #495057;
  --gray-900: #212529;

  /* Sombras */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(8, 108, 254, 0.1);
  --shadow-lg: 0 8px 24px rgba(8, 108, 254, 0.15);
  --shadow-xl: 0 16px 48px rgba(0, 62, 173, 0.2);

  /* Transiciones */
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   BASE STYLES
   ============================================ */

* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
  color: var(--gray-900);
  line-height: 1.6;
  min-height: 100vh;
}

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

.navbar {
  background: linear-gradient(135deg, var(--brand-blue-primary) 0%, var(--brand-blue-dark) 100%) !important;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
  position: relative;
  z-index: 1030;
}

/* Asegurar que el dropdown del navbar esté por encima del contenido pero debajo de modales */
.navbar .dropdown-menu {
  z-index: 1040 !important;
  position: absolute !important;
}

.navbar .dropdown {
  position: relative;
}

.navbar .dropdown-menu.show {
  z-index: 1040 !important;
}

/* Contenido principal - SIN z-index para no crear stacking context */
main.container-fluid {
  position: static;
}

/* Los modales dentro de main deben funcionar correctamente */
main .modal {
  position: fixed;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--white) !important;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: var(--transition-fast);
}

.navbar-brand:hover {
  transform: scale(1.05);
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  border-radius: 0.375rem;
  transition: var(--transition-fast);
  position: relative;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--brand-orange-primary);
  transition: var(--transition-fast);
}

.navbar-nav .nav-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white) !important;
}

.navbar-nav .nav-link:hover::after {
  width: 80%;
}

.navbar-nav .nav-link.active {
  background-color: rgba(255, 76, 0, 0.2);
  color: var(--white) !important;
}

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

.card {
  border: none;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  transition: var(--transition-smooth);
  background: var(--white);
  overflow: hidden;
}

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

.card-header {
  background: linear-gradient(135deg, var(--gray-700) 0%, var(--gray-900) 100%);
  color: var(--white);
  border-bottom: none;
  font-weight: 600;
  padding: 1rem 1.5rem;
  font-size: 1.1rem;
}

.card-body {
  padding: 1.5rem;
}

/* Card Variants con colores de marca */
.card.border-primary {
  border-left: 4px solid var(--brand-blue-primary) !important;
  background: linear-gradient(135deg, var(--white) 0%, rgba(8, 108, 254, 0.02) 100%);
}

.card.border-success {
  border-left: 4px solid var(--success-color) !important;
  background: linear-gradient(135deg, var(--white) 0%, rgba(40, 167, 69, 0.02) 100%);
}

.card.border-warning {
  border-left: 4px solid var(--warning-color) !important;
  background: linear-gradient(135deg, var(--white) 0%, rgba(255, 193, 7, 0.02) 100%);
}

.card.border-danger {
  border-left: 4px solid var(--brand-orange-primary) !important;
  background: linear-gradient(135deg, var(--white) 0%, rgba(255, 76, 0, 0.02) 100%);
}

.card.border-info {
  border-left: 4px solid var(--brand-blue-primary) !important;
  background: linear-gradient(135deg, var(--white) 0%, rgba(8, 108, 254, 0.02) 100%);
}

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

.btn {
  border-radius: 0.5rem;
  font-weight: 600;
  padding: 0.625rem 1.25rem;
  transition: var(--transition-fast);
  border: none;
  position: relative;
  overflow: hidden;
}

.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;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--brand-blue-primary) 0%, var(--brand-blue-dark) 100%);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(8, 108, 254, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--brand-blue-dark) 0%, var(--brand-blue-primary) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(8, 108, 254, 0.4);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--gray-700) 0%, var(--gray-900) 100%);
  color: var(--white);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-700) 100%);
  transform: translateY(-2px);
}

.btn-success {
  background: linear-gradient(135deg, #28a745 0%, #218838 100%);
  color: var(--white);
}

.btn-success:hover {
  background: linear-gradient(135deg, #218838 0%, #28a745 100%);
  transform: translateY(-2px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--brand-orange-primary) 0%, var(--brand-orange-dark) 100%);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(255, 76, 0, 0.3);
}

.btn-danger:hover {
  background: linear-gradient(135deg, var(--brand-orange-dark) 0%, var(--brand-orange-primary) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 76, 0, 0.4);
}

.btn-warning {
  background: linear-gradient(135deg, #ffc107 0%, #ff9800 100%);
  color: var(--gray-900);
}

.btn-warning:hover {
  background: linear-gradient(135deg, #ff9800 0%, #ffc107 100%);
  transform: translateY(-2px);
}

.btn-info {
  background: linear-gradient(135deg, var(--brand-blue-primary) 0%, #17a2b8 100%);
  color: var(--white);
}

.btn-info:hover {
  background: linear-gradient(135deg, #17a2b8 0%, var(--brand-blue-primary) 100%);
  transform: translateY(-2px);
}

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

.btn-outline-primary:hover {
  background: var(--brand-blue-primary);
  color: var(--white);
  border-color: var(--brand-blue-primary);
}

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

.btn-outline-danger:hover {
  background: var(--brand-orange-primary);
  color: var(--white);
  border-color: var(--brand-orange-primary);
}

/* ============================================
   TABLES
   ============================================ */

.table {
  background-color: var(--white);
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid var(--black);
}

.table thead th {
  background: linear-gradient(135deg, var(--gray-700) 0%, var(--gray-900) 100%);
  color: var(--white);
  border: 1px solid var(--black);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  padding: 1rem;
  text-align: center;
}

.table tbody tr {
  transition: var(--transition-fast);
  border-bottom: 1px solid var(--black);
}

.table-hover tbody tr:hover {
  background: linear-gradient(135deg, rgba(73, 80, 87, 0.05) 0%, rgba(33, 37, 41, 0.08) 100%);
  cursor: pointer;
  transform: scale(1.01);
}

.table tbody td {
  padding: 0.875rem 1rem;
  vertical-align: middle;
  text-align: center;
  border: 1px solid var(--black);
}

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

.badge {
  padding: 0.5rem 0.875rem;
  font-weight: 600;
  border-radius: 0.375rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-primary,
.badge.bg-primary {
  background: linear-gradient(135deg, var(--brand-blue-primary) 0%, var(--brand-blue-dark) 100%) !important;
  color: var(--white);
}

.badge-success,
.badge.bg-success {
  background: linear-gradient(135deg, #28a745 0%, #218838 100%) !important;
  color: var(--white);
}

.badge-warning,
.badge.bg-warning {
  background: linear-gradient(135deg, #ffc107 0%, #ff9800 100%) !important;
  color: var(--gray-900);
}

.badge-danger,
.badge.bg-danger {
  background: linear-gradient(135deg, var(--brand-orange-primary) 0%, var(--brand-orange-dark) 100%) !important;
  color: var(--white);
}

.badge-info,
.badge.bg-info {
  background: linear-gradient(135deg, var(--brand-blue-primary) 0%, #17a2b8 100%) !important;
  color: var(--white);
}

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

.form-label {
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.form-control,
.form-select {
  border: 2px solid var(--gray-300);
  border-radius: 0.5rem;
  padding: 0.625rem 1rem;
  transition: var(--transition-fast);
  background-color: var(--white);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--brand-blue-primary);
  box-shadow: 0 0 0 0.2rem rgba(8, 108, 254, 0.15);
  background-color: var(--white);
}

.form-control::placeholder {
  color: var(--gray-300);
}

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

.alert {
  border: none;
  border-radius: 0.75rem;
  border-left: 4px solid;
  padding: 1rem 1.25rem;
  font-weight: 500;
}

.alert-info {
  background: linear-gradient(135deg, rgba(8, 108, 254, 0.1) 0%, rgba(0, 62, 173, 0.05) 100%);
  border-left-color: var(--brand-blue-primary);
  color: var(--brand-blue-dark);
}

.alert-success {
  background: linear-gradient(135deg, rgba(40, 167, 69, 0.1) 0%, rgba(33, 136, 56, 0.05) 100%);
  border-left-color: var(--success-color);
  color: #155724;
}

.alert-warning {
  background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 152, 0, 0.05) 100%);
  border-left-color: var(--warning-color);
  color: #856404;
}

.alert-danger {
  background: linear-gradient(135deg, rgba(255, 76, 0, 0.1) 0%, rgba(193, 50, 0, 0.05) 100%);
  border-left-color: var(--brand-orange-primary);
  color: var(--brand-orange-dark);
}

/* ============================================
   MODALS - Z-INDEX HIERARCHY
   backdrop: 1050, modal: 1055, dialog: 1060
   ============================================ */

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

.modal {
  z-index: 1055 !important;
}

.modal-dialog {
  z-index: 1060 !important;
}

.modal-content {
  border: none;
  border-radius: 1rem;
  box-shadow: var(--shadow-xl);
  overflow: visible;
}

.modal-header {
  background: linear-gradient(135deg, var(--brand-blue-primary) 0%, var(--brand-blue-dark) 100%);
  color: var(--white);
  border-bottom: none;
  padding: 1.25rem 1.5rem;
}

.modal-header .btn-close {
  filter: brightness(0) invert(1);
}

.modal-title {
  font-weight: 700;
  font-size: 1.25rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 2px solid var(--gray-200);
  padding: 1rem 1.5rem;
  background-color: var(--gray-50);
}

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

.spinner-border {
  border-color: var(--brand-blue-primary);
  border-right-color: transparent;
}

.spinner-border-sm {
  width: 1rem;
  height: 1rem;
  border-width: 0.15rem;
}

/* ============================================
   SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: 10px;
}

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

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

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-brand-primary {
  color: var(--brand-blue-primary) !important;
}

.text-brand-secondary {
  color: var(--brand-blue-dark) !important;
}

.text-brand-accent {
  color: var(--brand-orange-primary) !important;
}

.bg-brand-primary {
  background-color: var(--brand-blue-primary) !important;
}

.bg-brand-secondary {
  background-color: var(--brand-blue-dark) !important;
}

.bg-brand-accent {
  background-color: var(--brand-orange-primary) !important;
}

.border-brand-primary {
  border-color: var(--brand-blue-primary) !important;
}

.border-brand-accent {
  border-color: var(--brand-orange-primary) !important;
}

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

@media (max-width: 768px) {
  .table-responsive {
    font-size: 0.875rem;
  }

  .btn-group-sm .btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
  }

  .card {
    margin-bottom: 1rem;
  }

  .navbar-brand {
    font-size: 1.2rem;
  }
}

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

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card,
.alert {
  animation: fadeIn 0.3s ease-out;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

.btn:active {
  animation: pulse 0.3s ease-in-out;
}

/* ============================================
   FIX: Modal Backdrop huérfanos
   ============================================ */

/* Si el body no tiene modal-open pero hay backdrop, ocultarlo */
body:not(.modal-open) .modal-backdrop {
  display: none !important;
}