/* 组件样式文件 - 可复用的UI组件 */

/* 模态框增强 */
.modal-xl {
  max-width: 90vw;
}

.modal-content {
  border-radius: 20px;
  border: none;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  border-bottom: 1px solid #e2e8f0;
  padding: 1.5rem 2rem;
}

.modal-body {
  padding: 0;
}

.modal-title {
  font-weight: 600;
  color: var(--text-primary);
}

.btn-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  opacity: 0.6;
  transition: var(--transition-fast);
}

.btn-close:hover {
  opacity: 1;
}

/* 视频比例容器 */
.ratio {
  position: relative;
  width: 100%;
}

.ratio::before {
  display: block;
  padding-top: var(--bs-aspect-ratio);
  content: "";
}

.ratio > * {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.ratio-16x9 {
  --bs-aspect-ratio: calc(9 / 16 * 100%);
}

/* 增强的按钮样式 */
.btn {
  border-radius: 50px;
  font-weight: 600;
  padding: 0.75rem 2rem;
  transition: var(--transition-normal);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

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

.btn-primary:hover {
  background: var(--gradient-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn-outline-primary {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.5rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

/* 表单增强 */
.form-control,
.form-select {
  border-radius: 12px;
  border: 2px solid #e2e8f0;
  padding: 0.75rem 1rem;
  transition: var(--transition-normal);
  background: white;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
  outline: none;
}

.form-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

/* 警告框样式 */
.alert {
  border-radius: 12px;
  border: none;
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
}

.alert-success {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  color: #065f46;
}

.alert-danger {
  background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
  color: #991b1b;
}

.alert-warning {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #92400e;
}

.alert-info {
  background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
  color: #1e40af;
}

/* 徽章样式 */
.badge {
  border-radius: 50px;
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge.bg-primary {
  background: var(--gradient-primary) !important;
}

.badge.bg-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
}

.badge.bg-warning {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
}

.badge.bg-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
}

/* 进度条 */
.progress {
  height: 8px;
  border-radius: 50px;
  background: #f1f5f9;
  overflow: hidden;
}

.progress-bar {
  background: var(--gradient-primary);
  border-radius: 50px;
  transition: width 0.6s ease;
}

/* 分页器 */
.pagination {
  gap: 0.5rem;
}

.page-link {
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  background: white;
  transition: var(--transition-normal);
}

.page-link:hover {
  background: var(--light-bg);
  color: var(--primary-color);
}

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

/* 工具提示增强 */
.tooltip {
  font-size: 0.875rem;
}

.tooltip-inner {
  background: var(--dark-bg);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  max-width: 200px;
}

/* 下拉菜单 */
.dropdown-menu {
  border: none;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  margin-top: 0.5rem;
}

.dropdown-item {
  border-radius: 8px;
  padding: 0.5rem 1rem;
  transition: var(--transition-fast);
}

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

/* 面包屑导航 */
.breadcrumb {
  background: none;
  padding: 0;
  margin-bottom: 1.5rem;
}

.breadcrumb-item {
  font-size: 0.875rem;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: ">";
  color: var(--text-light);
  margin: 0 0.5rem;
}

.breadcrumb-item.active {
  color: var(--text-secondary);
}

/* 加载状态 */
.spinner-border {
  width: 2rem;
  height: 2rem;
  border-width: 0.25em;
}

.spinner-border-sm {
  width: 1rem;
  height: 1rem;
  border-width: 0.15em;
}

/* 图片优化 */
img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.img-thumbnail {
  border-radius: 12px;
  border: 2px solid #e2e8f0;
  padding: 0.25rem;
}

/* 列表组 */
.list-group {
  border-radius: 12px;
  overflow: hidden;
}

.list-group-item {
  border: none;
  border-bottom: 1px solid #e2e8f0;
  padding: 1rem 1.5rem;
  transition: var(--transition-fast);
}

.list-group-item:hover {
  background: var(--light-bg);
}

.list-group-item:last-child {
  border-bottom: none;
}

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

/* 表格增强 */
.table {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table thead th {
  background: var(--light-bg);
  border: none;
  font-weight: 600;
  color: var(--text-primary);
  padding: 1rem;
}

.table tbody td {
  border: none;
  border-bottom: 1px solid #e2e8f0;
  padding: 1rem;
  vertical-align: middle;
}

.table tbody tr:hover {
  background: var(--light-bg);
}

/* 标签页 */
.nav-tabs {
  border-bottom: 2px solid #e2e8f0;
  margin-bottom: 2rem;
}

.nav-tabs .nav-link {
  border: none;
  border-radius: 8px 8px 0 0;
  color: var(--text-secondary);
  font-weight: 600;
  padding: 1rem 1.5rem;
  margin-bottom: -2px;
  transition: var(--transition-normal);
}

.nav-tabs .nav-link:hover {
  color: var(--primary-color);
  background: var(--light-bg);
}

.nav-tabs .nav-link.active {
  color: var(--primary-color);
  background: white;
  border-bottom: 2px solid var(--primary-color);
}

/* 响应式工具类 */
.text-responsive {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
}

.title-responsive {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

.hero-title-responsive {
  font-size: clamp(2rem, 6vw, 3.5rem);
}

/* 动画工具类 */
.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide-up {
  animation: slideUp 0.6s ease-out;
}

.animate-scale-in {
  animation: scaleIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* 打印样式 */
@media print {
  .no-print {
    display: none !important;
  }
  
  .btn,
  .navbar,
  .modal,
  .tooltip {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .card-modern {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
  }
}