/* assets/css/custom.css */
:root {
  --bs-body-bg: #f0f2f5;
  --brand-primary: #0d6efd;
  --brand-accent: #6610f2;
  --sidebar-width: 280px;
}

body {
  background: var(--bs-body-bg);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Navbar mejorado */
.navbar-brand {
  letter-spacing: .5px;
  font-weight: 600;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  scrollbar-width: thin;
}

.sidebar::-webkit-scrollbar {
  width: 5px;
}

.sidebar::-webkit-scrollbar-track {
  background: #f1f1f1;
}

.sidebar::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 5px;
}

.list-group-item {
  border: 0;
  padding: 0.8rem 1rem;
  transition: all 0.2s ease;
  background: transparent;
}

.list-group-item:hover {
  background-color: rgba(13, 110, 253, 0.08);
  transform: translateX(5px);
}

.list-group-item.active {
  background-color: var(--brand-primary);
  color: white;
  border-radius: 0.5rem;
  margin: 0 0.5rem;
  width: calc(100% - 1rem);
}

/* Cards de KPIs */
.card-kpi {
  border: 0;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
  border-radius: 1rem;
  transition: transform 0.2s ease;
}

.card-kpi:hover {
  transform: translateY(-5px);
}

.card-kpi .icon {
  font-size: 2.5rem;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Tablas */
.table thead th {
  background-color: #f8f9fc;
  border-bottom: 2px solid #e9ecef;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
}

.table td, .table th {
  vertical-align: middle;
  padding: 1rem;
}

.table-hover tbody tr:hover {
  background-color: rgba(13, 110, 253, 0.05);
  cursor: pointer;
}

/* Botones */
.btn-primary {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  border: none;
  box-shadow: 0 4px 6px rgba(13, 110, 253, 0.2);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(13, 110, 253, 0.3);
}

.btn-outline-primary {
  border-width: 2px;
  transition: all 0.2s ease;
}

.btn-outline-primary:hover {
  transform: translateY(-2px);
}

/* Badges */
.badge {
  padding: 0.5em 0.8em;
  font-weight: 500;
  border-radius: 0.5rem;
}

/* Alertas */
.alert {
  border: none;
  border-radius: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

/* Formularios */
.form-control, .form-select {
  border-radius: 0.75rem;
  border: 1px solid #e2e8f0;
  transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

/* Utilidades de truncado */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.truncate-16 {
  max-width: 16rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.truncate-24 {
  max-width: 24rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

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

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    position: static;
    height: auto;
    margin-bottom: 1rem;
  }
  
  .table td, .table th {
    padding: 0.75rem;
  }
  
  .btn-group-sm .btn {
    padding: 0.25rem 0.5rem;
  }
  
  .card-kpi {
    margin-bottom: 1rem;
  }
}

@media (max-width: 576px) {
  .table {
    font-size: 0.85rem;
  }
  
  .table .btn-group {
    flex-direction: column;
    gap: 0.25rem;
  }
  
  .table .btn-group .btn {
    width: 100%;
  }
  
  h1.h3 {
    font-size: 1.5rem;
  }
  
  .col-optional-xs {
    display: none !important;
  }
}

/* Impresión */
@media print {
  .navbar, .sidebar, .btn, .no-print {
    display: none !important;
  }
  
  .col-print-12 {
    width: 100% !important;
  }
  
  body {
    background: white;
    padding: 0;
    margin: 0;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid #ddd !important;
  }
}