/* PC端评论功能样式 */

.comments-section {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 12px var(--shadow);
    margin-top: 1rem;
}

.comments-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.comments-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    color: var(--text);
    font-size: 1.125rem;
    font-weight: 600;
}

.comments-header i {
    color: var(--primary);
}

#comments-count {
    color: var(--text-muted);
    font-weight: normal;
}

/* 评论输入区域 */
.comment-form {
    margin-bottom: 2rem;
}

.comment-input-wrapper {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    background: var(--bg-light);
    transition: border-color 0.2s ease;
}

.comment-input-wrapper:focus-within {
    border-color: var(--primary);
}

#comment-content {
    width: 100%;
    border: none;
    background: transparent;
    resize: vertical;
    min-height: 80px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text);
    outline: none;
    font-family: inherit;
}

#comment-content::placeholder {
    color: var(--text-muted);
}

.comment-form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color-light);
}

.character-count {
    font-size: 12px;
    color: var(--text-muted);
}

#submit-comment {
    padding: 0.5rem 1.5rem;
    font-size: 14px;
}

/* 评论列表 */
.comments-list {
    min-height: 100px;
}

.loading-comments {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 14px;
}

.loading-comments i {
    margin-right: 0.5rem;
    color: var(--primary);
}

.no-comments {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
    font-size: 14px;
    background: var(--bg-light);
    border-radius: 8px;
    border: 1px dashed var(--border-color);
}

.comment-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color-light);
}

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

.comment-content {
    width: 100%;
}

.comment-header,
.reply-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.comment-username,
.reply-username {
    font-weight: 600;
    color: var(--text);
    font-size: 14px;
}

.comment-time,
.reply-time {
    font-size: 12px;
    color: var(--text-muted);
}

.comment-text,
.reply-text {
    color: var(--text);
    line-height: 1.6;
    margin-bottom: 0.75rem;
    font-size: 14px;
    word-wrap: break-word;
}

.comment-actions,
.reply-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.comment-action-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.comment-action-btn:hover {
    background: var(--bg-light);
    color: var(--text);
}

.comment-action-btn.like-btn.liked {
    color: var(--primary);
}

.comment-action-btn i {
    font-size: 11px;
}

/* 回复表单 */
.reply-form {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 8px;
    border: 1px solid var(--border-color-light);
}

.reply-form textarea {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem;
    font-size: 14px;
    line-height: 1.5;
    resize: vertical;
    min-height: 60px;
    color: var(--text);
    background: white;
    outline: none;
    font-family: inherit;
}

.reply-form textarea:focus {
    border-color: var(--primary);
}

.reply-form-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 0.75rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 12px;
}

/* 回复列表 */
.replies-list {
    margin-top: 1rem;
    padding-left: 1rem;
    border-left: 2px solid var(--border-color-light);
}

.reply-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color-light);
}

.reply-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.reply-content {
    width: 100%;
}

/* 分页按钮 */
.comments-pagination {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color-light);
}

#load-more-comments {
    padding: 0.75rem 2rem;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .comments-section {
        padding: 1rem;
        margin: 0.5rem 0;
        border-radius: 8px;
    }
    
    .comment-item {
        padding: 1rem 0;
    }
    
    .comment-header,
    .reply-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    
    .comment-actions,
    .reply-actions {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .comment-form-actions {
        flex-direction: column;
        gap: 0.75rem;
        align-items: stretch;
    }
    
    .character-count {
        text-align: center;
    }
}

/* 暗色主题支持 */
@media (prefers-color-scheme: dark) {
    .comments-section {
        background: var(--bg-dark, #1a1a1a);
        border: 1px solid var(--border-color-dark, #333);
    }
    
    .comment-input-wrapper {
        background: var(--bg-darker, #0f0f0f);
        border-color: var(--border-color-dark, #333);
    }
    
    .comment-input-wrapper:focus-within {
        border-color: var(--primary);
    }
    
    #comment-content {
        color: var(--text-dark, #e0e0e0);
    }
    
    .reply-form {
        background: var(--bg-darker, #0f0f0f);
        border-color: var(--border-color-dark, #333);
    }
    
    .reply-form textarea {
        background: var(--bg-dark, #1a1a1a);
        color: var(--text-dark, #e0e0e0);
        border-color: var(--border-color-dark, #333);
    }
    
    .no-comments {
        background: var(--bg-darker, #0f0f0f);
        border-color: var(--border-color-dark, #333);
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.comment-item {
    animation: fadeInUp 0.3s ease;
}

/* 加载动画 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fa-spinner.fa-spin {
    animation: spin 1s linear infinite;
}