/* 组件样式库 */

/* 按钮组件 */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.5;
}

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

.btn-primary:hover {
  background-color: #1a8c32;
  color: var(--white);
  text-decoration: none;
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--white);
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  color: var(--text-color);
  border: 1px solid var(--gray-medium);
}

.btn-outline:hover {
  background-color: var(--gray-light);
  color: var(--text-color);
  text-decoration: none;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-block {
  display: block;
  width: 100%;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* 卡片组件 */
.card {
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}

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

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--gray-light);
  background-color: var(--gray-light);
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--gray-light);
  background-color: var(--gray-light);
}

.card-title {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-color);
}

.card-text {
  margin-bottom: 0;
  color: var(--gray-medium);
}

/* 徽章组件 */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 3px;
}

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

.badge-secondary {
  background-color: var(--gray-medium);
  color: var(--white);
}

.badge-success {
  background-color: #28a745;
  color: var(--white);
}

.badge-warning {
  background-color: #ffc107;
  color: var(--text-color);
}

.badge-danger {
  background-color: #dc3545;
  color: var(--white);
}

.badge-info {
  background-color: #17a2b8;
  color: var(--white);
}

/* 警告框组件 */
.alert {
  padding: 1rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: var(--border-radius);
}

.alert-primary {
  color: #004085;
  background-color: #cce5ff;
  border-color: #b3d7ff;
}

.alert-success {
  color: #155724;
  background-color: #d4edda;
  border-color: #c3e6cb;
}

.alert-warning {
  color: #856404;
  background-color: #fff3cd;
  border-color: #ffeaa7;
}

.alert-danger {
  color: #721c24;
  background-color: #f8d7da;
  border-color: #f5c6cb;
}

.alert-info {
  color: #0c5460;
  background-color: #d1ecf1;
  border-color: #bee5eb;
}

/* 进度条组件 */
.progress {
  display: flex;
  height: 1rem;
  overflow: hidden;
  background-color: var(--gray-light);
  border-radius: 5px;
}

.progress-bar {
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--white);
  text-align: center;
  background-color: var(--primary-color);
  transition: width 0.6s ease;
}

/* 分页组件 */
.pagination {
  display: flex;
  list-style: none;
  border-radius: var(--border-radius);
  margin: 2rem 0;
  justify-content: center;
}

.page-item {
  margin: 0 0.25rem;
}

.page-link {
  position: relative;
  display: block;
  padding: 0.5rem 0.75rem;
  margin-left: -1px;
  line-height: 1.25;
  color: var(--primary-color);
  text-decoration: none;
  background-color: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 3px;
  transition: var(--transition);
}

.page-link:hover {
  color: #1a8c32;
  text-decoration: none;
  background-color: var(--gray-light);
  border-color: var(--gray-medium);
}

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

.page-item.disabled .page-link {
  color: var(--gray-medium);
  pointer-events: none;
  cursor: auto;
  background-color: var(--white);
  border-color: var(--gray-light);
}

/* 面包屑导航 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  list-style: none;
  background-color: var(--gray-light);
  border-radius: var(--border-radius);
}

.breadcrumb-item {
  display: flex;
}

.breadcrumb-item + .breadcrumb-item {
  padding-left: 0.5rem;
}

.breadcrumb-item + .breadcrumb-item::before {
  display: inline-block;
  padding-right: 0.5rem;
  color: var(--gray-medium);
  content: "/";
}

.breadcrumb-item.active {
  color: var(--gray-medium);
}

/* 标签页组件 */
.nav-tabs {
  display: flex;
  flex-wrap: wrap;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
  border-bottom: 1px solid var(--gray-light);
}

.nav-tabs .nav-item {
  margin-bottom: -1px;
}

.nav-tabs .nav-link {
  display: block;
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  border-top-left-radius: var(--border-radius);
  border-top-right-radius: var(--border-radius);
}

.nav-tabs .nav-link:hover {
  border-color: var(--gray-light) var(--gray-light) var(--gray-light);
}

.nav-tabs .nav-link.active {
  color: var(--text-color);
  background-color: var(--white);
  border-color: var(--gray-light) var(--gray-light) var(--white);
}

.tab-content {
  padding: 1rem 0;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* 模态框组件 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1050;
  display: none;
  width: 100%;
  height: 100%;
  overflow: hidden;
  outline: 0;
}

.modal.show {
  display: block;
}

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1040;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-dialog {
  position: relative;
  width: auto;
  margin: 1.75rem;
  pointer-events: none;
}

.modal-content {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  pointer-events: auto;
  background-color: var(--white);
  background-clip: padding-box;
  border-radius: var(--border-radius);
  box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.5);
  outline: 0;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 1px solid var(--gray-light);
  border-top-left-radius: var(--border-radius);
  border-top-right-radius: var(--border-radius);
}

.modal-title {
  margin-bottom: 0;
  line-height: 1.5;
}

.modal-body {
  position: relative;
  flex: 1 1 auto;
  padding: 1rem;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 1rem;
  border-top: 1px solid var(--gray-light);
  border-bottom-right-radius: var(--border-radius);
  border-bottom-left-radius: var(--border-radius);
}

.modal-footer > :not(:first-child) {
  margin-left: 0.25rem;
}

.modal-footer > :not(:last-child) {
  margin-right: 0.25rem;
}

/* 工具提示 */
.tooltip {
  position: absolute;
  z-index: 1070;
  display: block;
  margin: 0;
  font-family: inherit;
  font-style: normal;
  font-weight: 400;
  line-height: 1.5;
  text-align: left;
  text-decoration: none;
  text-shadow: none;
  text-transform: none;
  letter-spacing: normal;
  word-break: normal;
  word-spacing: normal;
  white-space: normal;
  line-break: auto;
  font-size: 0.875rem;
  word-wrap: break-word;
  opacity: 0;
}

.tooltip.show {
  opacity: 0.9;
}

.tooltip-inner {
  max-width: 200px;
  padding: 0.25rem 0.5rem;
  color: var(--white);
  text-align: center;
  background-color: var(--text-color);
  border-radius: 3px;
}

/* 加载动画 */
.spinner {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  vertical-align: text-bottom;
  border: 0.25em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
  to {
    transform: rotate(360deg);
  }
}

.spinner-sm {
  width: 1rem;
  height: 1rem;
  border-width: 0.2em;
}

/* 响应式组件调整 */
@media (max-width: 767px) {
  .modal-dialog {
    margin: 0.5rem;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }
  
  .pagination {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .page-link {
    padding: 0.4rem 0.6rem;
    font-size: 0.875rem;
  }
}