/* Variables globales */
:root {
  --primary-color: #3498db;
  --secondary-color: #2c3e50;
  --accent-color: #e74c3c;
  --text-color: #333;
  --light-gray: #f8f9fa;
  --medium-gray: #e9ecef;
  --dark-gray: #6c757d;
  --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  --transition-speed: 0.3s ease;
  --font-family: 'Segoe UI', Roboto, Arial, sans-serif;
}

/* ================= NAVBAR (REDUCIDO) ================= */
.navbar-top {
  position: fixed;
  top: 0;
  width: 100%;
  background: linear-gradient(90deg, #2c3e50, #1a252f);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  z-index: 1000;
}

.navbar-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: 56px; /* Reducido de 70px */
}

.navbar-item {
  color: #fff;
  text-decoration: none;
  padding: 8px 16px; /* Reducido de 12px 20px */
  font-size: 0.9rem; /* Reducido de 1rem */
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all var(--transition-speed);
  border-radius: 4px;
  margin: 0 2px; /* Reducido de 0 4px */
}

.navbar-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px); /* Reducido de -2px */
}

/* Barra de búsqueda */
.navbar-search-container {
  background-color: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px; /* Más redondeado */
  padding: 2px 8px; /* Reducido */
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  flex-basis: 45%; /* Reducido de 55% */
  margin: 0 12px;
}

.navbar-search-input {
  padding: 6px 8px; /* Reducido */
  border: none;
  border-radius: 20px;
  background: transparent;
  color: white;
  font-size: 0.9rem; /* Reducido */
  width: 100%;
}

.navbar-search-input::placeholder {
  color: #ddd;
}

.navbar-search-button {
  color: white;
  padding: 6px;
}

/* ================= SIDEBAR (MEJOR PALETA DE COLORES) ================= */
.sidebar-menu {
  top: 56px; /* Ajustado a la nueva altura del navbar */
  height: calc(100vh - 56px);
  background: #f8f9fa;
  border-right: 1px solid #e9ecef;
  box-shadow: 2px 0 8px rgba(0, 0, 0, 0.05);
}

.sidebar-content {
  border-bottom: 1px solid #e9ecef;
  padding: 12px;
}

.sidebar-menu-item {
  color: #495057;
  font-family: var(--font-family);
  letter-spacing: 0.3px;
  padding: 10px 16px;
  border-left: 3px solid transparent;
}

.sidebar-menu-button {
  color: #495057;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.sidebar-menu-button:hover {
  background: #e9ecef;
  color: #3498db;
  border-left: 3px solid #3498db;
}

.sidebar-menu-dropdown {
  background: rgba(233, 236, 239, 0.5);
}

.sidebar-menu-dropdown .sidebar-menu-item {
  padding: 8px 16px 8px 30px;
  color: #6c757d;
  font-size: 0.85rem;
}

.sidebar-menu-dropdown .sidebar-menu-item:hover {
  background: rgba(255, 255, 255, 0.8);
  color: #3498db;
}

.sidebar-menu-button.active {
  background: #e9ecef;
  color: #3498db;
  border-left: 3px solid #3498db;
}

/* ================= FOOTER (CON LÍNEA SEPARADORA) ================= */
.footer-section {
  margin-left: 260px;
  padding: 30px 20px;
  margin-top: 40px;
  overflow: auto;
  transition: margin-left 0.4s cubic-bezier(0.77, 0, 0.175, 1);
  background-color: #f8f9fa;
  position: relative;
  border-top: 1px solid #e9ecef; /* Línea separadora */
}

/* Línea decorativa adicional */
.footer-section::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #3498db, transparent);
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px; /* Reducido de 250px para mejor visualización */
  width: 90%;
  margin: 0 auto;
  padding-bottom: 20px;
}

.footer-column h4 {
  font-size: 1.2rem; /* Reducido de 1.5rem */
  font-weight: 600;
  margin-bottom: 16px;
  color: #2c3e50;
  position: relative;
  padding-bottom: 8px;
}

/* Línea decorativa bajo los títulos */
.footer-column h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: #3498db;
}

.footer-column p {
  margin-bottom: 8px;
  color: #6c757d;
}

.footer-column a {
  color: #495057;
  text-decoration: none;
  transition: all 0.2s ease;
  display: block;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.footer-column a:hover {
  color: #3498db;
  transform: translateX(3px);
}

.social-icons {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px; 
  border-radius: 50%;
  color: #495057;
  font-size: 1.5rem;
  transition: all 0.3s ease;
}

.social-icon:hover {
  color: white;
  transform: translateY(-3px);
}

.footer-credit {
  text-align: center;
  padding: 16px 0;
  font-size: 0.85rem;
  color: #6c757d;
  border-top: 1px solid #e9ecef;
  margin-top: 20px;
}

/* Ajustes responsivos */
@media (max-width: 1024px) {
  .footer-section {
    margin-left: 0;
    margin-top: 20px;
  }
  
  .sidebar-menu.sidebar-closed + .footer-section {
    margin-left: 0;
  }
}

@media (max-width: 768px) {
  .footer-columns {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .navbar-search-container {
    flex-basis: 35%;
  }
}

/* Transiciones suaves para el contenido al abrir/cerrar sidebar */
.page-content, .footer-section {
  transition: margin-left 0.4s cubic-bezier(0.77, 0, 0.175, 1);
}

.sidebar-open + .page-content, 
.sidebar-open ~ .footer-section {
  margin-left: 260px;
}

.sidebar-closed + .page-content,
.sidebar-closed ~ .footer-section {
  margin-left: 0;
}