/* Paleta de colores moderna personalizada */
:root {
  /* Colores primarios modernos */
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: #60a5fa;
  --primary-dark: #1d4ed8;

  /* Colores secundarios modernos */
  --secondary-color: #64748b;
  --secondary-hover: #475569;
  --secondary-light: #94a3b8;
  --secondary-dark: #334155;

  /* Colores de fondo */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;

  /* Textos */
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-tertiary: #64748b;

  /* Bordes */
  --border-color: #e2e8f0;
  --border-color-dark: #cbd5e1;
}

/* Sidebar actualizado */
.sidebar {
  background: linear-gradient(
    180deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  ) !important;
}

.sidebar .nav-item .nav-link {
  color: rgba(255, 255, 255, 0.95) !important;
}

.sidebar .nav-item .nav-link:hover {
  background-color: rgba(255, 255, 255, 0.1) !important;
}

.sidebar .nav-item .nav-link.active {
  background-color: rgba(255, 255, 255, 0.15) !important;
  font-weight: 600;
}

.sidebar.toggled {
  background: linear-gradient(
    180deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  ) !important;
}

/* Botones actualizados */
.btn-primary {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background-color: var(--primary-hover) !important;
  border-color: var(--primary-hover) !important;
}

.btn-secondary {
  background-color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
}

.btn-secondary:hover,
.btn-secondary:focus,
.btn-secondary:active {
  background-color: var(--secondary-hover) !important;
  border-color: var(--secondary-hover) !important;
}

/* Cards modernos */
.card {
  border: 1px solid var(--border-color);
  box-shadow:
    0 1px 3px 0 rgba(0, 0, 0, 0.1),
    0 1px 2px 0 rgba(0, 0, 0, 0.06);
  border-radius: 0.5rem;
}

.card-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  color: var(--text-primary);
}

/* Tablas modernas */
.table {
  color: var(--text-primary);
}

.table thead th {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-weight: 600;
  border-bottom: 2px solid var(--border-color-dark);
}

.table-bordered {
  border-color: var(--border-color);
}

.table-bordered td,
.table-bordered th {
  border-color: var(--border-color);
}

.table-hover tbody tr:hover {
  background-color: var(--bg-secondary);
}

/* Badge modernos */
.badge-primary {
  background-color: var(--primary-color) !important;
}

.badge-secondary {
  background-color: var(--secondary-color) !important;
}

/* Inputs y forms */
.form-control:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

/* Links */
a {
  color: var(--primary-color);
}

a:hover {
  color: var(--primary-hover);
}

/* Gradientes para el fondo del sidebar */
.bg-gradient-primary {
  background: linear-gradient(
    180deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  ) !important;
}

/* Topbar */
.topbar {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

/* Dropdown menus */
.dropdown-menu {
  border: 1px solid var(--border-color);
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.dropdown-item:hover {
  background-color: var(--bg-secondary);
  color: var(--primary-color);
}

/* Progress bars */
.progress-bar {
  background-color: var(--primary-color);
}

/* Alerts modernos */
.alert-primary {
  background-color: #dbeafe;
  border-color: #bfdbfe;
  color: #1e40af;
}

.alert-secondary {
  background-color: #f1f5f9;
  border-color: #e2e8f0;
  color: #334155;
}