/**
 * ============================================================================
 * MODERN-THEME.CSS - Tema Moderno para Identity Pages
 * ============================================================================
 * 
 * DESCRIPCIÓN:
 * Estilos modernos y profesionales para las páginas de Identity (ASP.NET Core).
 * Incluye formularios de registro, recuperación de contraseña, y otras
 * páginas administrativas del sistema de autenticación.
 * 
 * USO:
 * - Layout: Areas/Identity/Pages/Shared/_IdentityLayout.cshtml
 * - Páginas: Register, ForgotPassword, ResetPassword, etc.
 * - NO se usa en Login (login.css es independiente)
 * 
 * COMPONENTES INCLUIDOS:
 * - Formularios de Identity estilizados
 * - Cards de contenido
 * - Botones y enlaces
 * - Mensajes de validación
 * - Estados de error y éxito
 * 
 * CARACTERÍSTICAS:
 * - Diseño limpio y minimalista
 * - Colores corporativos DIGESETT
 * - Responsive para todos los dispositivos
 * - Transiciones suaves
 * - Accesibilidad mejorada
 * 
 * PALETA:
 * - Primary: #0066cc (azul DIGESETT)
 * - Success: #28a745
 * - Danger: #dc3545
 * - Background: Gradientes suaves
 * 
 * DEPENDENCIAS:
 * - Bootstrap 5.3+
 * - ASP.NET Core Identity
 * 
 * AUTOR: JhomeDesign (2025)
 * ============================================================================
 */

:root {
  /* Colores principales */
  --primary-color: #0066cc;
  --primary-dark: #004c99;
  --primary-light: #3385d6;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  
  /* Gradientes modernos */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
  --gradient-danger: linear-gradient(135deg, #eb3349 0%, #f45c43 100%);
  --gradient-info: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-warning: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  
  /* Sombras */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
  --shadow-xl: 0 12px 48px rgba(0,0,0,0.2);
  
  /* Bordes */
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;
  
  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
}

/* ===== CARDS MODERNOS ===== */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

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

.card-modern {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border-left: 4px solid var(--primary-color);
}

.card-gradient-primary {
  background: var(--gradient-primary);
  color: white;
}

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

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

.card-gradient-info {
  background: var(--gradient-info);
  color: white;
}

.card-header-modern {
  background: transparent;
  border-bottom: 2px solid rgba(0,0,0,0.05);
  padding: 1.25rem 1.5rem;
  font-weight: 600;
}

/* ===== ESTADÍSTICAS / STATS ===== */
.stat-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  background: white;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.stat-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.875rem;
  color: #6c757d;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.stat-trend {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-weight: 600;
}

.stat-trend.up {
  background: rgba(40, 167, 69, 0.1);
  color: #28a745;
}

.stat-trend.down {
  background: rgba(220, 53, 69, 0.1);
  color: #dc3545;
}

/* ===== BOTONES MODERNOS ===== */
.btn {
  border-radius: var(--border-radius-sm);
  padding: 0.625rem 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  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-gradient-primary {
  background: var(--gradient-primary);
  color: white;
}

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

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

.btn-modern {
  box-shadow: var(--shadow-md);
}

.btn-modern:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ===== INPUTS Y FORMULARIOS ===== */
.form-control, .form-select {
  border-radius: var(--border-radius-sm);
  border: 2px solid #e9ecef;
  padding: 0.75rem 1rem;
  transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
  transform: translateY(-1px);
}

.form-label {
  font-weight: 600;
  color: #495057;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-group-modern {
  position: relative;
}

.input-group-modern .form-control {
  padding-left: 3rem;
}

.input-group-modern .input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: #6c757d;
  z-index: 10;
}

/* ===== TABLAS MODERNAS ===== */
.table-modern {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table-modern thead {
  background: var(--gradient-primary);
  color: white;
}

.table-modern thead th {
  border: none;
  padding: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.875rem;
}

.table-modern tbody tr {
  transition: all 0.2s ease;
  border-bottom: 1px solid #f1f3f5;
}

.table-modern tbody tr:hover {
  background: #f8f9fa;
  transform: scale(1.01);
  box-shadow: var(--shadow-sm);
}

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

/* ===== BADGES MODERNOS ===== */
.badge {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

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

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

.badge-modern {
  box-shadow: var(--shadow-sm);
}

/* ===== ALERTAS MODERNAS ===== */
.alert {
  border-radius: var(--border-radius);
  border: none;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid;
}

.alert-primary {
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.1) 0%, rgba(0, 102, 204, 0.05) 100%);
  border-left-color: var(--primary-color);
  color: var(--primary-dark);
}

.alert-success {
  background: linear-gradient(135deg, rgba(40, 167, 69, 0.1) 0%, rgba(40, 167, 69, 0.05) 100%);
  border-left-color: var(--success-color);
  color: #1e7e34;
}

.alert-danger {
  background: linear-gradient(135deg, rgba(220, 53, 69, 0.1) 0%, rgba(220, 53, 69, 0.05) 100%);
  border-left-color: var(--danger-color);
  color: #bd2130;
}

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

/* ===== MODAL MODERNO ===== */
.modal-content {
  border-radius: var(--border-radius-lg);
  border: none;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  border: none;
  padding: 1.5rem 2rem;
}

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

.modal-body {
  padding: 2rem;
}

.modal-footer {
  border-top: 2px solid #f1f3f5;
  padding: 1.5rem 2rem;
}

/* ===== NAVBAR MODERNO ===== */
.navbar-modern {
  background: white !important;
  box-shadow: var(--shadow-md);
  padding: 1rem 2rem;
}

.navbar-modern .navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== SIDEBAR MODERNO ===== */
.sidebar-modern {
  background: white;
  box-shadow: var(--shadow-md);
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  padding: 2rem 0;
  width: 260px;
  z-index: 1000;
}

.sidebar-modern .nav-link {
  padding: 0.875rem 1.5rem;
  color: #495057;
  font-weight: 500;
  transition: all 0.3s ease;
  border-left: 4px solid transparent;
  margin: 0.25rem 0;
}

.sidebar-modern .nav-link:hover {
  background: linear-gradient(90deg, rgba(102, 126, 234, 0.1) 0%, transparent 100%);
  border-left-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateX(4px);
}

.sidebar-modern .nav-link.active {
  background: var(--gradient-primary);
  color: white;
  border-left-color: var(--primary-dark);
}

.sidebar-modern .nav-link i {
  width: 24px;
  margin-right: 0.75rem;
}

/* ===== ANIMACIONES ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

.animate-fade-in {
  animation: fadeIn 0.6s ease;
}

.animate-slide-in {
  animation: slideInRight 0.6s ease;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

/* ===== LOADER MODERNO ===== */
.loader-modern {
  width: 48px;
  height: 48px;
  border: 5px solid #f3f3f3;
  border-top: 5px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ===== DARK MODE MODERNO ===== */
[data-bs-theme="dark"] {
  --primary-color: #4d94ff;
  --primary-dark: #3377cc;
  --primary-light: #6fa8ff;
}

[data-bs-theme="dark"] .card {
  background: #1a1d29;
  color: #e0e0e0;
}

[data-bs-theme="dark"] .stat-card {
  background: #1a1d29;
  color: #e0e0e0;
}

[data-bs-theme="dark"] .navbar-modern {
  background: #1a1d29 !important;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

[data-bs-theme="dark"] .sidebar-modern {
  background: #1a1d29;
  box-shadow: 2px 0 12px rgba(0,0,0,0.3);
}

[data-bs-theme="dark"] .sidebar-modern .nav-link {
  color: #b0c4d4;
}

[data-bs-theme="dark"] .table-modern tbody tr:hover {
  background: #232a36;
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
  background: #232a36;
  border-color: #39465a;
  color: #e0e0e0;
}

/* ===== UTILIDADES ===== */
.glass-effect {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

[data-bs-theme="dark"] .glass-effect {
  background: rgba(26, 29, 41, 0.95);
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.border-gradient {
  border: 2px solid transparent;
  background-clip: padding-box;
  position: relative;
}

.border-gradient::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--gradient-primary);
  border-radius: inherit;
  z-index: -1;
}