/*
 * =====================================================
 * MODERN THEME - Sistema de Trámite Documentario
 * =====================================================
 * Archivo de estilos modernos para mejorar UI/UX
 * Mantiene funcionalidad 100% intacta
 * =====================================================
 */

/* =====================================================
   1. VARIABLES CSS
   ===================================================== */
:root {
  /* Colores Primarios */
  --primary-start: #1E3A5F;
  --primary-end: #1E3A5F;
  --secondary-start: #15803D;
  --secondary-end: #15803D;
  --danger-start: #B91C1C;
  --danger-end: #B91C1C;
  --warning-start: #B45309;
  --warning-end: #B45309;
  --info-start: #2C5282;
  --info-end: #2C5282;
  
  /* 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;
  
  /* Espaciado */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Bordes */
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 15px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* Sombras */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 15px rgba(0,0,0,0.1);
  --shadow-lg: 0 6px 20px rgba(0,0,0,0.15);
  --shadow-xl: 0 10px 30px rgba(0,0,0,0.2);
  
  /* Transiciones */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* =====================================================
   2. CARDS MODERNOS
   ===================================================== */
.modern-card {
  border: none !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-md) !important;
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.modern-card .card-header {
  background: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
  color: white;
  padding: var(--spacing-lg);
  border: none;
  font-weight: 700;
}

.modern-card .card-header h3,
.modern-card .card-header h4,
.modern-card .card-header h5 {
  color: white;
  margin: 0;
  font-weight: 700;
}

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

/* Variantes de color para headers */
.card-header-success {
  background: linear-gradient(135deg, var(--secondary-start) 0%, var(--secondary-end) 100%) !important;
}

.card-header-danger {
  background: linear-gradient(135deg, var(--danger-start) 0%, var(--danger-end) 100%) !important;
}

.card-header-warning {
  background: linear-gradient(135deg, var(--warning-start) 0%, var(--warning-end) 100%) !important;
}

.card-header-info {
  background: linear-gradient(135deg, var(--info-start) 0%, var(--info-end) 100%) !important;
}

/* =====================================================
   3. FORMULARIOS MODERNOS
   ===================================================== */
.form-group-modern {
  margin-bottom: var(--spacing-lg);
}

.form-group-modern label {
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.9rem;
}

.form-group-modern label i {
  color: var(--primary-start);
}

.form-group-modern .required {
  color: #e53e3e;
  font-weight: 700;
}

.form-control-modern {
  border: 2px solid var(--gray-200) !important;
  border-radius: var(--radius-md) !important;
  padding: 0.75rem 1rem !important;
  transition: all var(--transition-base) !important;
  font-size: 0.95rem !important;
}

.form-control-modern:focus {
  border-color: var(--primary-start) !important;
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1) !important;
  outline: none !important;
}

.form-control-modern:disabled {
  background-color: var(--gray-100) !important;
  cursor: not-allowed;
}

/* Select2 Mejorado */
.select2-container--default .select2-selection--single {
  border: 2px solid var(--gray-200) !important;
  border-radius: var(--radius-md) !important;
  height: auto !important;
  padding: 0.5rem !important;
}

.select2-container--default.select2-container--focus .select2-selection--single {
  border-color: var(--primary-start) !important;
}

/* =====================================================
   4. BOTONES MODERNOS
   ===================================================== */
.btn-modern {
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.95rem;
}

.btn-modern:hover {
  transform: translateY(-2px);
  color: white;
}

.btn-modern i {
  font-size: 1rem;
}

/* Botón Primario */
.btn-modern-primary {
  background: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(30, 58, 95, 0.3);
}

.btn-modern-primary:hover {
  box-shadow: 0 6px 20px rgba(30, 58, 95, 0.4);
  color: white;
}

/* Botón Éxito */
.btn-modern-success {
  background: linear-gradient(135deg, var(--secondary-start) 0%, var(--secondary-end) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(21, 128, 61, 0.3);
}

.btn-modern-success:hover {
  box-shadow: 0 6px 20px rgba(21, 128, 61, 0.4);
  color: white;
}

/* Botón Peligro */
.btn-modern-danger {
  background: linear-gradient(135deg, var(--danger-start) 0%, var(--danger-end) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(180, 83, 9, 0.3);
}

.btn-modern-danger:hover {
  box-shadow: 0 6px 20px rgba(180, 83, 9, 0.4);
  color: white;
}

/* Botón Advertencia */
.btn-modern-warning {
  background: linear-gradient(135deg, var(--warning-start) 0%, var(--warning-end) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
}

.btn-modern-warning:hover {
  box-shadow: 0 6px 20px rgba(251, 191, 36, 0.4);
  color: white;
}

/* Botón Info */
.btn-modern-info {
  background: linear-gradient(135deg, var(--info-start) 0%, var(--info-end) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-modern-info:hover {
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
  color: white;
}

/* Botón Secundario */
.btn-modern-secondary {
  background: var(--gray-200);
  color: var(--gray-700);
  box-shadow: var(--shadow-sm);
}

.btn-modern-secondary:hover {
  background: var(--gray-300);
  color: var(--gray-800);
  box-shadow: var(--shadow-md);
}

/* =====================================================
   5. BADGES MODERNOS
   ===================================================== */
.badge-modern {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  border: none;
}

.badge-modern i {
  font-size: 0.9rem;
}

/* Estados de Documentos */
.badge-pendiente {
  background: linear-gradient(135deg, var(--warning-start) 0%, var(--warning-end) 100%);
  color: white;
}

.badge-aceptado {
  background: linear-gradient(135deg, var(--secondary-start) 0%, var(--secondary-end) 100%);
  color: white;
}

.badge-rechazado {
  background: linear-gradient(135deg, var(--danger-start) 0%, var(--danger-end) 100%);
  color: white;
}

.badge-derivado {
  background: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
  color: white;
}

.badge-finalizado {
  background: #15803D;
  color: white;
}

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

.modern-table thead {
  background: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
  color: white;
}

.modern-table thead th {
  color: white !important;
  font-weight: 700;
  padding: 1rem;
  border: none;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

.modern-table tbody tr {
  transition: all var(--transition-fast);
  border-bottom: 1px solid var(--gray-200);
}

.modern-table tbody tr:hover {
  background-color: var(--gray-50);
  transform: scale(1.005);
  box-shadow: var(--shadow-sm);
}

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

/* DataTables Wrapper */
.dataTables_wrapper .dataTables_paginate .paginate_button {
  border-radius: var(--radius-md) !important;
  margin: 0 2px;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
  background: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%) !important;
  color: white !important;
  border: none !important;
}

/* =====================================================
   7. MODALES MODERNOS
   ===================================================== */
.modern-modal .modal-content {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.modern-modal .modal-header {
  background: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
  color: white;
  border: none;
  padding: var(--spacing-lg);
}

.modern-modal .modal-header .modal-title {
  color: white;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.modern-modal .modal-header .close {
  color: white;
  opacity: 1;
  text-shadow: none;
  font-size: 2rem;
  font-weight: 300;
}

.modern-modal .modal-header .close:hover {
  opacity: 0.8;
}

.modern-modal .modal-body {
  padding: var(--spacing-xl);
  background-color: var(--gray-50);
}

.modern-modal .modal-footer {
  background-color: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  padding: var(--spacing-lg);
}

/* =====================================================
   8. ALERTS MODERNOS
   ===================================================== */
.alert-modern {
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border-left: 4px solid;
  box-shadow: var(--shadow-sm);
}

.alert-modern-info {
  background-color: #eff6ff;
  border-left-color: var(--info-start);
  color: #1E3A5F;
}

.alert-modern-success {
  background-color: #f0fdf4;
  border-left-color: var(--secondary-start);
  color: #166534;
}

.alert-modern-warning {
  background-color: #fffbeb;
  border-left-color: var(--warning-start);
  color: #92400e;
}

.alert-modern-danger {
  background-color: #fef2f2;
  border-left-color: #B91C1C;
  color: #991b1b;
}

/* =====================================================
   9. UTILIDADES
   ===================================================== */
.gradient-text-primary {
  background: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

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

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

.rounded-modern {
  border-radius: var(--radius-lg);
}

.hover-lift {
  transition: all var(--transition-base);
}

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

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

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

.animate-fade-in {
  animation: fadeIn var(--transition-slow);
}

.animate-slide-in {
  animation: slideIn var(--transition-slow);
}

/* =====================================================
   11. RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
  .modern-card .card-body {
    padding: var(--spacing-lg);
  }
  
  .btn-modern {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }
  
  .modern-table thead th,
  .modern-table tbody td {
    padding: 0.75rem 0.5rem;
    font-size: 0.85rem;
  }
}

/* =====================================================
   12. MEJORAS ESPECÍFICAS PARA ADMINLTE
   ===================================================== */
.content-wrapper {
  background-color: var(--gray-50);
}

.content-header h1 {
  font-weight: 700;
  color: var(--gray-800);
}

.breadcrumb {
  background-color: transparent;
  padding: 0;
}

.breadcrumb-item.active {
  color: var(--primary-start);
  font-weight: 600;
}

/* Sidebar mejorado */
.main-sidebar {
  box-shadow: 2px 0 10px rgba(0,0,0,0.05);
}

/* =====================================================
   FIN DEL ARCHIVO
   ===================================================== */