/**
 * UI Component Styles
 * 通用UI组件样式：Card, Dropdown, Pagination, Accordion, Form
 */

/* ===== CARD STYLES ===== */

.card {
  transition: all 0.3s ease;
  border-radius: var(--border-radius);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-lg);
}

.card-img-top {
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  transition: all 0.3s ease;
}

.card:hover .card-img-top {
  transform: scale(1.05);
}

/* Card Headers */
.card-header-primary-blue {
  background: var(--secondary);
  color: var(--white);
}

.card-header-blue-light {
  background: var(--secondary-light);
  color: var(--white);
}

.card:hover .card-header-blue-light {
  background: var(--secondary);
  color: var(--white);
}

.card-header-primary {
  background: var(--primary);
  color: var(--white);
}

@media (max-width: 768px) {
  .card {
    margin-bottom: 1rem;
  }
}

/* ===== DROPDOWN STYLES ===== */

.dropdown-menu .dropdown-item.active {
  background-color: var(--primary-color);
  color: white;
}

.dropdown-menu .dropdown-item.active:hover {
  background-color: var(--primary-color);
  color: white;
}

.dropdown-menu {
  border: none;
  box-shadow: var(--box-shadow-lg);
  border-radius: var(--border-radius);
  margin-top: 0.5rem;
}

.dropdown-item {
  padding: 0.75rem 1.25rem;
  transition: all 0.2s ease;
}

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

/* ===== PAGINATION STYLES ===== */

.pagination .page-link {
  border-radius: var(--border-radius);
  margin: 0 2px;
  border: none;
  transition: all 0.3s ease;
}

.pagination .page-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

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

/* ===== ACCORDION STYLES ===== */

.accordion-button {
  font-weight: 500;
  transition: all 0.3s ease;
}

.accordion-button:not(.collapsed) {
  background-color: var(--primary-color);
  color: white;
}

.accordion-button:focus {
  box-shadow: none;
  border-color: var(--primary-color);
}

.accordion-item {
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  overflow: hidden;
}

/* ===== FORM STYLES ===== */

.form-control,
.form-select {
  border-radius: var(--border-radius);
  border: 2px solid #e9ecef;
  transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
  transform: translateY(-1px);
}

.form-label {
  font-weight: 500;
  color: var(--dark-color);
}

/* Form Focus Indicators */
.btn:focus,
.form-control:focus,
.form-select:focus,
.nav-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Contact Form */
.contact-icon {
  transition: all 0.3s ease;
  width: 40px;
  min-width: 40px;
  height: 40px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.contact-item:hover .contact-icon {
  transform: scale(1.1);
}

/* ===== LIST GROUP STYLES ===== */

.list-group-item {
  border: none;
  border-radius: var(--border-radius);
  margin-bottom: 0.25rem;
  transition: all 0.3s ease;
  line-height: 3;
  min-height: 64px;
}

.list-group-item:hover {
  background-color: var(--light-color);
  transform: translateX(5px);
}

.list-group-item.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* ===== BADGE STYLES ===== */

.badge {
  font-weight: 500;
  border-radius: var(--border-radius);
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .card {
    border: 2px solid var(--dark-color);
  }
  .btn-outline-primary,
  .btn-outline-secondary,
  .btn-outline-success,
  .btn-outline-info,
  .btn-outline-warning,
  .btn-outline-danger {
    border-width: 2px;
  }
}

/* Feature Icons */
.feature-icon {
  transition: all 0.3s ease;
}

.feature-icon:hover {
  transform: scale(1.1) rotate(5deg);
}

@media (max-width: 576px) {
  .feature-icon {
    width: 60px !important;
    height: 60px !important;
  }
  .feature-icon i {
    font-size: 1.5rem !important;
  }
}