/**
 * 组件样式
 * 响应式组件设计
 *
 * @package Flavor_Starter
 * @since 1.0.0
 */

/* ==========================================================================
   文章卡片组件
   ========================================================================== */

.post-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

/* 卡片缩略图 */
.post-card .post-thumbnail {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.post-card .post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

/* 卡片内容 */
.post-card-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: var(--spacing-lg);
}

.post-card .entry-header {
    margin-bottom: var(--spacing-sm);
}

.post-card .entry-title {
    margin: 0 0 var(--spacing-sm);
    font-size: var(--font-size-lg);
    line-height: 1.4;
}

.post-card .entry-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.post-card .entry-summary {
    flex: 1;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.6;
}

.post-card .entry-footer {
    margin-top: auto;
}

/* 博客布局卡片 - 水平排列 */
@media (min-width: 768px) {
    .posts-layout-blog .post-card {
        flex-direction: row;
    }
    
    .posts-layout-blog .post-card .post-thumbnail {
        flex: 0 0 300px;
        aspect-ratio: auto;
    }
    
    .posts-layout-blog .post-card-content {
        padding: var(--spacing-xl);
    }
    
    .posts-layout-blog .post-card .entry-title {
        font-size: var(--font-size-xl);
    }
}

/* 特色文章卡片 */
.post-card.post-featured {
    grid-column: span 1;
}

@media (min-width: 768px) {
    .post-card.post-featured {
        grid-column: span 2;
    }
    
    .post-card.post-featured .post-thumbnail {
        aspect-ratio: 21 / 9;
    }
    
    .post-card.post-featured .entry-title {
        font-size: var(--font-size-2xl);
    }
}

/* ==========================================================================
   阅读更多按钮
   ========================================================================== */

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-primary);
    background: transparent;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.read-more:hover {
    color: #fff;
    background: var(--color-primary);
}

.read-more::after {
    content: '→';
    transition: transform var(--transition-fast);
}

.read-more:hover::after {
    transform: translateX(4px);
}

/* ==========================================================================
   小工具组件
   ========================================================================== */

.widget {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.widget + .widget {
    margin-top: var(--spacing-lg);
}

.widget-title {
    margin: 0 0 var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 600;
    border-bottom: 2px solid var(--color-primary);
}

/* 小工具列表 */
.widget ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.widget li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.widget li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.widget li:first-child {
    padding-top: 0;
}

.widget a {
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.widget a:hover {
    color: var(--color-primary);
}

/* 搜索小工具 */
.widget_search .search-form {
    display: flex;
    gap: var(--spacing-sm);
}

.widget_search .search-field {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.widget_search .search-field:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.widget_search .search-submit {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.widget_search .search-submit:hover {
    background: var(--color-primary-dark);
}

/* 标签云小工具 */
.widget_tag_cloud .tagcloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.widget_tag_cloud .tagcloud a {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs) !important;
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
}

.widget_tag_cloud .tagcloud a:hover {
    background: var(--color-primary);
    color: #fff;
}

/* ==========================================================================
   作者信息框
   ========================================================================== */

.author-box {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    margin: var(--spacing-2xl) 0;
}

.author-avatar {
    flex-shrink: 0;
}

.author-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info {
    flex: 1;
}

.author-name {
    margin: 0 0 var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.author-bio {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.6;
}

/* 响应式作者框 */
@media (max-width: 575.98px) {
    .author-box {
        flex-direction: column;
        text-align: center;
    }
    
    .author-avatar {
        align-self: center;
    }
}

/* ==========================================================================
   文章导航
   ========================================================================== */

.post-navigation {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.post-navigation .nav-links {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .post-navigation .nav-links {
        grid-template-columns: 1fr 1fr;
    }
}

.post-navigation .nav-previous,
.post-navigation .nav-next {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.post-navigation .nav-next {
    text-align: right;
}

.post-navigation .nav-subtitle {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-navigation .nav-title {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.post-navigation a:hover .nav-title {
    color: var(--color-primary);
}

/* ==========================================================================
   分页组件
   ========================================================================== */

.pagination {
    margin: var(--spacing-2xl) 0;
}

.pagination .nav-links {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.pagination .page-numbers {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
    color: #fff;
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.pagination .dots {
    border: none;
    background: transparent;
}

.pagination .dots:hover {
    background: transparent;
    color: var(--color-text);
}

/* ==========================================================================
   表单组件
   ========================================================================== */

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* ==========================================================================
   按钮组件
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    font-family: inherit;
    line-height: 1.5;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-secondary {
    color: var(--color-text);
    background: var(--color-bg-alt);
    border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-border);
}

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

.btn-outline:hover:not(:disabled) {
    color: #fff;
    background: var(--color-primary);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

/* ==========================================================================
   统计显示组件
   ========================================================================== */

.post-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.stat-icon {
    width: 16px;
    height: 16px;
}

.stat-count {
    font-weight: 500;
}

/* 点赞按钮 */
.like-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.like-button:hover {
    color: #ef4444;
    border-color: #ef4444;
}

.like-button.liked {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
}

.like-button .like-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.like-button:hover .like-icon {
    transform: scale(1.2);
}

/* ==========================================================================
   加载状态
   ========================================================================== */

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   消息提示
   ========================================================================== */

.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.alert-success {
    color: #166534;
    background: #dcfce7;
    border: 1px solid #bbf7d0;
}

.alert-error {
    color: #991b1b;
    background: #fee2e2;
    border: 1px solid #fecaca;
}

.alert-warning {
    color: #92400e;
    background: #fef3c7;
    border: 1px solid #fde68a;
}

.alert-info {
    color: #1e40af;
    background: #dbeafe;
    border: 1px solid #bfdbfe;
}