/* 评论系统样式 */
.comment-section {
    max-width: 800px;
    margin: 60px auto 0;
    padding: 0 20px;
}

.comment-title {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-weight: 600;
}

/* 评论表单 */
.comment-form-wrapper {
    background: var(--glass-bg);
    backdrop-filter: var(--element-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-soft);
}

.comment-form .form-group {
    margin-bottom: 16px;
}

.comment-form input,
.comment-form textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 14px;
    box-sizing: border-box;
    transition: all 0.3s;
    font-family: inherit;
}

.comment-form input:focus,
.comment-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.comment-form textarea {
    min-height: 100px;
    resize: vertical;
}

.char-count {
    text-align: right;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

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

/* 评论列表 */
.comment-list {
    margin-top: 30px;
}

.comment-item {
    background: var(--glass-bg);
    backdrop-filter: var(--element-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s;
}

.comment-item:hover {
    box-shadow: var(--shadow-medium);
}

.comment-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 12px;
    gap: 12px;
}

.comment-author {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 15px;
}

.comment-time {
    font-size: 12px;
    color: var(--text-secondary);
    text-align: right;
    line-height: 1.4;
    flex-shrink: 0;
}

.comment-content {
    color: var(--text-primary);
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    margin-bottom: 12px;
}

.comment-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s;
}

.action-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
}

.action-btn.liked {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
}

/* 回复区域 */
.reply-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--glass-border);
}

.reply-form {
    display: none;
    margin-top: 12px;
}

.reply-form.active {
    display: block;
}

.reply-form input,
.reply-form textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 13px;
    box-sizing: border-box;
    margin-bottom: 10px;
    font-family: inherit;
}

.reply-form textarea {
    min-height: 60px;
    resize: vertical;
}

.reply-form-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.reply-form-actions button {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s;
}

.reply-submit {
    background: var(--primary-color);
    color: white;
    border: none;
}

.reply-cancel {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.reply-list {
    margin-top: 12px;
    padding-left: 20px;
    border-left: 2px solid var(--glass-border);
}

.reply-item {
    padding: 12px;
    background: rgba(59, 130, 246, 0.03);
    border-radius: 10px;
    margin-bottom: 8px;
}

.reply-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 13px;
}

.reply-author {
    font-weight: 600;
    color: var(--primary-color);
}

.reply-to {
    color: var(--text-secondary);
}

.reply-time {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    line-height: 1.4;
}

.reply-content {
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
}

/* 加载和空状态 */
.loading-state,
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

.empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.status-message {
    padding: 12px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 14px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.status-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: rgb(34, 197, 94);
}

.status-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: rgb(239, 68, 68);
}

@media (max-width: 768px) {
    .comment-section {
        padding: 0 16px;
    }
    
    .comment-form-wrapper {
        padding: 20px;
    }
}