:root {
  --color-principal: #1a1a1a;
  --color-secundario: #f5f5f5;
  --color-acento: #007bff;
  --color-texto: #333;
  --color-exito: #28a745;
  --color-advertencia: #ffc107;
  --color-peligro: #dc3545;
  --color-info: #17a2b8;
  --borde-suave: 10px;
  --sombra-suave: 0 4px 10px rgba(0,0,0,0.1);
}

/* Reset básico */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--color-secundario);
  color: var(--color-texto);
  line-height: 1.6;
}

/* Estructura general */
.dashboard-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar corregido */
.sidebar {
  width: 250px;
  background: var(--color-principal);
  color: white;
  padding: 0;
  position: fixed;
  height: 100vh;
  transition: transform 0.3s ease;
  z-index: 100;
  overflow-y: auto;
  left: 0;
  top: 0;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.1);
}

.sidebar-header h2 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 600;
  color: white;
}

.sidebar-nav {
  padding: 0;
}

.sidebar-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-nav ul li {
  margin: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-nav ul li a {
  color: white;
  text-decoration: none;
  display: flex;
  align-items: center;
  padding: 15px 20px;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
  font-size: 0.95rem;
}

.sidebar-nav ul li a:hover {
  background: rgba(0, 123, 255, 0.1);
  border-left-color: var(--color-acento);
  color: #ffffff;
}

.sidebar-nav ul li a.active {
  background: rgba(0, 123, 255, 0.2);
  border-left-color: var(--color-acento);
  color: #ffffff;
}

.sidebar-nav ul li a i {
  width: 20px;
  margin-right: 12px;
  text-align: center;
  font-size: 16px;
}

.sidebar-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 15px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.1);
}

.sidebar-footer p {
  margin: 0;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
}

/* Contenido principal */
.main-content {
  flex: 1;
  padding: 40px;
  background-color: #ffffff;
  margin-left: 250px;
  min-height: 100vh;
}

.main-content h1 {
  margin-bottom: 30px;
  font-weight: 600;
  color: var(--color-principal);
  font-size: 2rem;
}

/* Alertas */
.alert {
  padding: 15px;
  border-radius: var(--borde-suave);
  margin-bottom: 20px;
}

.alert-error {
  background-color: #ffecec;
  border-left: 4px solid var(--color-peligro);
  color: #721c24;
}

.alert-success {
  background-color: #ecffec;
  border-left: 4px solid var(--color-exito);
  color: #155724;
}

.alert-warning {
  background-color: #fff9ec;
  border-left: 4px solid var(--color-advertencia);
  color: #856404;
}

/* Widgets */
.widgets-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.widget {
  background: white;
  padding: 20px;
  border-radius: var(--borde-suave);
  box-shadow: var(--sombra-suave);
  display: flex;
  align-items: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.widget:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.widget-icon {
  background-color: rgba(0, 123, 255, 0.1);
  color: var(--color-acento);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
  font-size: 24px;
  flex-shrink: 0;
}

.widget-info {
  flex: 1;
}

.widget-info h3 {
  font-size: 0.9rem;
  color: #6c757d;
  margin-bottom: 5px;
  font-weight: 500;
}

.widget-number {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-principal);
  margin: 0;
}

/* Tarjetas */
.card {
  background: white;
  padding: 25px;
  border-radius: var(--borde-suave);
  box-shadow: var(--sombra-suave);
  margin-bottom: 30px;
}

.card h2 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #f0f0f0;
  color: var(--color-principal);
  font-weight: 600;
}

/* Enlaces rápidos - CORREGIDOS */
.quick-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
}

.quick-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 20px;
  border-radius: var(--borde-suave);
  background-color: #f8f9fa;
  color: var(--color-principal);
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid #e9ecef;
  position: relative;
  overflow: hidden;
}

.quick-link:hover {
  background-color: var(--color-acento);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
  border-color: var(--color-acento);
  text-decoration: none;
}

.quick-link i {
  font-size: 24px;
  margin-bottom: 10px;
  transition: all 0.3s ease;
}

.quick-link span {
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

/* Tablas */
.table-wrapper {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  background: white;
}

.table th,
.table td {
  padding: 12px 16px;
  border-bottom: 1px solid #eee;
  text-align: left;
}

.table th {
  background-color: #f8f9fa;
  color: var(--color-principal);
  font-weight: 600;
  font-size: 0.9rem;
}

.table tbody tr {
  transition: background-color 0.2s ease;
}

.table tbody tr:hover {
  background-color: #f8f9fa;
}

/* Botones */
.btn, .btn-small {
  display: inline-block;
  background-color: var(--color-acento);
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 5px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 500;
  text-align: center;
}

.btn-small {
  padding: 6px 12px;
  font-size: 0.9rem;
}

.btn:hover, .btn-small:hover {
  background-color: #0056b3;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
  text-decoration: none;
}

/* Buscador */
.search-bar {
  margin-bottom: 20px;
  max-width: 500px;
  position: relative;
}

.search-bar input {
  padding: 12px 15px 12px 40px;
  width: 100%;
  border: 1px solid #ddd;
  border-radius: var(--borde-suave);
  box-shadow: var(--sombra-suave);
  transition: all 0.3s ease;
  font-size: 14px;
}

.search-bar::before {
  content: '\f002';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #aaa;
  z-index: 1;
}

.search-bar input:focus {
  outline: none;
  border-color: var(--color-acento);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}

/* Botón flotante */
.fab-button {
  position: fixed;
  right: 30px;
  bottom: 30px;
  background: var(--color-acento);
  color: white;
  border: none;
  padding: 15px 18px;
  border-radius: 50%;
  font-size: 24px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 999;
}

.fab-button:hover {
  background: #0056b3;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; 
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.modal {
  background: white;
  border-radius: var(--borde-suave);
  padding: 30px;
  box-shadow: var(--sombra-suave);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.7);
  transition: transform 0.3s ease;
}

.modal-overlay[style*="flex"] .modal {
  transform: scale(1);
}

.modal h2 {
  margin-top: 0;
  font-size: 1.4rem;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #f0f0f0;
  color: var(--color-principal);
}

.modal input, .modal select, .modal textarea {
  width: 100%;
  margin-bottom: 15px;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: var(--borde-suave);
  transition: border-color 0.3s ease;
  font-size: 14px;
}

.modal input:focus, .modal select:focus, .modal textarea:focus {
  outline: none;
  border-color: var(--color-acento);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.modal button {
  background-color: var(--color-acento);
  color: white;
  border: none;
  padding: 12px 15px;
  border-radius: var(--borde-suave);
  cursor: pointer;
  transition: background-color 0.3s ease;
  font-weight: 500;
  margin-right: 10px;
}

.modal button:hover {
  background-color: #0056b3;
}

.modal button[type="button"] {
  background-color: #6c757d;
}

.modal button[type="button"]:hover {
  background-color: #5a6268;
}

/* Formularios */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--color-texto);
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: var(--borde-suave);
  transition: border-color 0.3s ease;
  font-size: 14px;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--color-acento);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

/* Diseño responsivo */
@media (max-width: 991px) {
  .sidebar {
    transform: translateX(-250px);
    z-index: 1000;
  }
  
  .body.sidebar-open .sidebar {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
    padding: 20px;
  }
  
  .toggle-sidebar {
    display: block;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1001;
    background: var(--color-acento);
    color: white;
    border: none;
    border-radius: 5px;
    padding: 8px 10px;
    cursor: pointer;
  }

  .widget-number {
    font-size: 1.5rem;
  }

  .main-content h1 {
    font-size: 1.6rem;
  }
}

@media (max-width: 767px) {
  .widgets-container {
    grid-template-columns: 1fr;
  }
  
  .quick-links {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .widget {
    padding: 15px;
  }

  .widget-icon {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }

  .card {
    padding: 20px;
  }

  .main-content {
    padding: 15px;
  }
}button"] {
  background-color: #6c757d;
}

.modal button[type="button"]:hover {
  background-color: #5a6268;
}

/* Formularios */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--color-texto);
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: var(--borde-suave);
  transition: border-color 0.3s ease;
  font-size: 14px;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--color-acento);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

/* Diseño responsivo */
@media (max-width: 991px) {
  .sidebar {
    transform: translateX(-250px);
    z-index: 1000;
  }
  
  .sidebar-open .sidebar {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
    padding: 20px;
  }
  
  .toggle-sidebar {
    display: block;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1001;
    background: var(--color-acento);
    color: white;
    border: none;
    border-radius: 5px;
    padding: 8px 10px;
    cursor: pointer;
  }

  .widget-number {
    font-size: 1.5rem;
  }

  .main-content h1 {
    font-size: 1.6rem;
  }
}

@media (max-width: 767px) {
  .widgets-container {
    grid-template-columns: 1fr;
  }
  
  .quick-links {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .widget {
    padding: 15px;
  }

  .widget-icon {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }

  .card {
    padding: 20px;
  }

  .main-content {
    padding: 15px;
  }
}