/* 组件样式 */

/* 模态框 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--background-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 90%;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    position: relative;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.dark .modal-content {
    background: var(--background-dark);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    color: currentColor;
    cursor: pointer;
    padding: var(--spacing-xs);
}

/* 工具提示 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip-content {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
}

.tooltip:hover .tooltip-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-5px);
}

/* 标签 */
.tag {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--primary-color);
    color: white;
    border-radius: var(--border-radius-full);
    font-size: 0.875rem;
    line-height: 1;
    gap: var(--spacing-xs);
}

.tag-close {
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

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

/* 进度条 */
.progress {
    width: 100%;
    height: 8px;
    background: rgba(var(--primary-rgb), 0.1);
    border-radius: var(--border-radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary-color);
    border-radius: var(--border-radius-full);
    transition: width 0.3s ease;
}

/* 折叠面板 */
.accordion {
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.dark .accordion {
    border-color: rgba(255, 255, 255, 0.1);
}

.accordion-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.dark .accordion-item {
    border-color: rgba(255, 255, 255, 0.1);
}

.accordion-header {
    padding: var(--spacing-md);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-content {
    padding: 0;
    height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item.active .accordion-content {
    padding: var(--spacing-md);
    height: auto;
}

/* 警告框 */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert-info {
    background: rgba(var(--info-rgb), 0.1);
    color: var(--info-color);
}

.alert-success {
    background: rgba(var(--success-rgb), 0.1);
    color: var(--success-color);
}

.alert-warning {
    background: rgba(var(--warning-rgb), 0.1);
    color: var(--warning-color);
}

.alert-error {
    background: rgba(var(--error-rgb), 0.1);
    color: var(--error-color);
}

/* 加载骨架 */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.2),
        rgba(255, 255, 255, 0.1)
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--border-radius-sm);
}

.dark .skeleton {
    background: linear-gradient(
        90deg,
        rgba(0, 0, 0, 0.1),
        rgba(0, 0, 0, 0.2),
        rgba(0, 0, 0, 0.1)
    );
}

/* 加载动画 */
.loading-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.loading-container.show {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--background-light);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 骨架屏动画 */
.skeleton {
    background: linear-gradient(90deg, 
        var(--background-light) 25%, 
        var(--background-lighter) 37%, 
        var(--background-light) 63%
    );
    background-size: 400% 100%;
    animation: skeleton-loading 1.4s ease infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0 50%;
    }
}

/* 搜索框 */
.search-box {
    position: relative;
    width: 100%;
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) calc(var(--spacing-xl) + 24px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-full);
    background: none;
    color: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.dark .search-input {
    border-color: rgba(255, 255, 255, 0.1);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: rgba(0, 0, 0, 0.5);
}

.dark .search-icon {
    color: rgba(255, 255, 255, 0.5);
}

/* 文件上传 */
.file-upload {
    position: relative;
    width: 100%;
    height: 200px;
    border: 2px dashed rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--spacing-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dark .file-upload {
    border-color: rgba(255, 255, 255, 0.1);
}

.file-upload:hover,
.file-upload.dragover {
    border-color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.05);
}

.file-upload input {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* 评分组件 */
.rating {
    display: flex;
    gap: var(--spacing-xs);
}

.rating-star {
    color: #fbbf24;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.rating-star:hover {
    transform: scale(1.2);
}

/* 分页 */
.pagination {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    justify-content: center;
}

.page-item {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-item:hover {
    background: rgba(var(--primary-rgb), 0.1);
}

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

/* 通知组件 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 5px;
    background: white;
    color: var(--text-dark);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transform: translateX(120%);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background-color: #4caf50;
    color: white;
}

.notification.error {
    background-color: #f44336;
    color: white;
}

.notification.info {
    background-color: #2196f3;
    color: white;
}

.notification.warning {
    background-color: #ff9800;
    color: white;
}