/* ============================
   Globales y Básicos
=============================== */
body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background-color: var(--color-fondo-general);
  margin: 0;
  padding: 0;
  color: #333;
}

input[type="checkbox"] {
  transform: scale(1.5);
  margin-right: 8px;
}

a {
  text-decoration: none;
  color: #000;
}

a:hover {
  text-decoration: underline;
}

/* ============================
   Header
=============================== */
.main-header {
  background-color: var(--color-principal);
  color: var(--color-texto-claro);
  padding: 10px 15px;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.main-header .navbar {
  margin: 0;
  border: none;
}

.main-header .navbar-brand {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--color-texto-claro);
}

/* ============================
   Sidebar
=============================== */
.main-sidebar {
  background-color: var(--color-secundario);
  color: #b8c7ce;
  top: 50px;
  left: 0;
  width: 10%;
  min-height: 100vh;
  padding: 0;
  overflow-y: auto;
  float: left;
}

.main-sidebar .sidebar-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-sidebar .sidebar-menu li {
  border-bottom: 1px solid #2c3b41;
}

.main-sidebar .sidebar-menu li a {
  color: #b8c7ce;
  display: block;
  padding: 10px 15px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.main-sidebar .sidebar-menu li a:hover,
.main-sidebar .sidebar-menu li.active a {
  background-color: var(--color-hover);
  color: var(--color-texto-claro);
}

/* ============================
   Contenido Principal
=============================== */
.content-wrapper {
  background-color: var(--color-fondo-general);
  min-height: calc(100vh - 50px);
  float: left;
  width: 90%;
}

.container {
  max-width: 100% !important;
  width: 100% !important;
  overflow-x: scroll;
}

/* ============================
   Footer
=============================== */
.main-footer {
  background-color: var(--color-footer);
  padding: 15px;
  text-align: center;
  border-top: 1px solid var(--color-borde);
  margin-left: 230px;
}

/* ============================
   Tarjetas
=============================== */
.card {
  margin-bottom: 20px;
  border: 1px solid var(--color-borde);
  border-radius: 3px;
  background-color: #fff;
}

.card-header {
  background-color: var(--color-principal);
  color: var(--color-texto-claro);
  padding: 10px 15px;
  border-bottom: 1px solid var(--color-borde);
  border-top-left-radius: 3px;
  border-top-right-radius: 3px;
}

.card-body {
  padding: 15px;
}

/* ============================
   Tablas
=============================== */
.table {
  background-color: #fff;
}

.table thead {
  background-color: var(--color-tabla-head);
}

.table thead th {
  border-bottom: 2px solid var(--color-borde);
}

/* ============================
   Formularios y Controles
=============================== */
.form-control {
  border-radius: 3px;
}

/* ============================
   Botones
=============================== */
.btn-primary {
  background-color: var(--color-principal);
  border-color: var(--color-principal);
  transition: background-color 0.3s ease, border-color 0.3s ease;
  color: #000;
}

.btn-primary:hover {
  background-color: var(--color-principal);
  border-color: #ccc;
  color: #ccc;
}

/* ============================
   Alertas
=============================== */
.alert {
  border-radius: 3px;
}

/* ============================
   Utilidades y Espaciados
=============================== */
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.p-3  { padding: 1rem !important; }
.px-md-4 { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }

/* ============================
   Header Estilos Adicionales
=============================== */
header {
  background-color: var(--color-principal);
  padding: 10px 20px;
  color: var(--color-texto-claro);
}

header .navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header .navbar-brand {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--color-texto-claro);
  margin-right: 20px;
}

header .navbar-nav {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

header .navbar-nav .nav-item {
  margin-left: 15px;
}

header .navbar-nav .nav-link {
  color: var(--color-texto-claro);
  font-size: 1rem;
  padding: 5px 10px;
  transition: color 0.3s ease;
}

header .navbar-nav .nav-link:hover,
header .navbar-nav .nav-link:focus {
  color: var(--color-borde);
  text-decoration: none;
}

header .navbar-nav .nav-link span {
  font-weight: bold;
  color: var(--color-alerta);
}