/* Variables */
:root {
  --primary: #0d6efd;
  --primary-dark: #0b5ed7;
  --secondary: #6c757d;
  --success: #198754;
  --info: #0dcaf0;
  --warning: #ffc107;
  --danger: #dc3545;
  --light: #f8f9fa;
  --dark: #212529;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --border-radius: 0.375rem;
  --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --box-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
  --transition: all 0.2s ease-in-out;
  --font-family-sans-serif: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Estilos generales */
body {
  font-family: var(--font-family-sans-serif);
  background-color: var(--gray-100);
  color: var(--gray-800);
  line-height: 1.6;
}

a {
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  text-decoration: none;
}

/* Navbar */
.navbar {
  box-shadow: var(--box-shadow);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
}

.navbar .nav-link {
  font-weight: 500;
}

.navbar .dropdown-menu {
  border: none;
  box-shadow: var(--box-shadow-lg);
  border-radius: var(--border-radius);
}

/* Hero section */
.hero-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 5rem 0;
  margin-bottom: 2rem;
}

.hero-section h1 {
  font-weight: 700;
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.hero-section p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Tarjeta de producto */
.product-card {
  transition: var(--transition);
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-lg);
}

.product-card .card-title {
  font-weight: 600;
}

.vote-box {
  padding: 0.75rem;
  border-radius: var(--border-radius);
  background-color: var(--gray-100);
  text-align: center;
}

.vote-count {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

/* Botones */
.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-primary:hover {
  background-color: var(--primary);
  color: white;
}

/* Comentarios */
.comment {
  background-color: var(--gray-100);
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  padding: 1rem;
  border-left: 3px solid var(--primary);
}

/* Footer */
footer {
  background-color: var(--dark);
  color: white;
  padding: 3rem 0 1.5rem;
  margin-top: 5rem;
}

footer h5 {
  font-weight: 600;
  margin-bottom: 1.25rem;
}

footer a {
  color: var(--gray-400);
  transition: var(--transition);
}

footer a:hover {
  color: white;
}

footer hr {
  border-color: var(--gray-700);
  opacity: 0.1;
}

/* Ajustes para imágenes */
.object-fit-cover {
  object-fit: cover;
  width: 100%;
  height: 100%;
}

/* Paginación */
.pagination {
  margin-top: 2rem;
}

.pagination .page-link {
  color: var(--primary);
  border: none;
  margin: 0 0.25rem;
  border-radius: var(--border-radius);
}

.pagination .page-item.active .page-link {
  background-color: var(--primary);
  border-color: var(--primary);
}

/* Badges */
.badge {
  font-weight: 500;
  padding: 0.5em 0.75em;
  border-radius: 50rem;
}

/* Cards */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
}

.card-header {
  background-color: white;
  border-bottom: 1px solid var(--gray-200);
  padding: 1rem 1.25rem;
}

/* Estilos para notificaciones */
.notification-badge {
  position: absolute;
  top: 0;
  right: 0;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  line-height: 1;
  border-radius: 50%;
  transform: translate(50%, -50%);
}

.notification-dropdown {
  width: 350px;
  max-height: 400px;
  overflow-y: auto;
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-lg);
  padding: 0;
}

.notification-item {
  border-left: 3px solid transparent;
  transition: var(--transition);
  padding: 0.75rem 1rem;
}

.notification-item:hover {
  background-color: var(--gray-100);
}

.notification-item.unread {
  border-left-color: var(--primary);
  background-color: rgba(13, 110, 253, 0.05);
}

.notification-item .notification-time {
  font-size: 0.75rem;
  color: var(--gray-600);
}

.notification-item .notification-message {
  white-space: normal;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.notification-item .notification-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.notification-item .notification-icon.vote {
  background-color: rgba(25, 135, 84, 0.1);
  color: var(--success);
}

.notification-item .notification-icon.comment {
  background-color: rgba(13, 110, 253, 0.1);
  color: var(--primary);
}

.notification-item .notification-icon.system {
  background-color: rgba(108, 117, 125, 0.1);
  color: var(--secondary);
}

.notification-empty {
  padding: 2rem;
  text-align: center;
  color: var(--gray-600);
}

/* Estilos para dispositivos móviles */
@media (max-width: 768px) {
  .vote-box {
    margin-bottom: 1rem;
  }
  
  .hero-section {
    padding: 3rem 0;
  }
  
  .hero-section h1 {
    font-size: 2rem;
  }
}

/* Estilos para categorías y etiquetas */
.category-badge, .tag-badge {
  display: inline-block;
  padding: 0.35em 0.65em;
  font-size: 0.85em;
  font-weight: 500;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 50rem;
  transition: var(--transition);
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

.category-badge {
  background-color: rgba(13, 110, 253, 0.1);
  color: var(--primary);
}

.tag-badge {
  background-color: var(--gray-200);
  color: var(--gray-700);
}

.category-badge:hover, .tag-badge:hover {
  opacity: 0.8;
}

/* Estilos para formularios */
.form-control, .form-select {
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-300);
  padding: 0.5rem 0.75rem;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Avatares */
.avatar {
  border-radius: 50%;
  object-fit: cover;
}

.avatar-sm {
  width: 32px;
  height: 32px;
}

.avatar-md {
  width: 48px;
  height: 48px;
}

.avatar-lg {
  width: 64px;
  height: 64px;
}