/* 评论区容器 */
.comments-section {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* 评论输入框 */
.comment-form {
    margin-bottom: 24px;
}

.comment-input-wrapper {
    background: var(--background);
    border-radius: 16px;
    padding: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.comment-input {
    width: 100%;
    border: none;
    outline: none;
    font-size: 16px;
    padding: 12px 0;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    transition: border-color 0.3s ease;
}

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

.comment-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.btn-comment {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: none;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.send-danmu {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.comment-tips {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 8px;
    padding-left: 16px;
}

/* 评论列表 */
.comments-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.comment-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--background);
    border-radius: 12px;
    transition: background-color 0.2s ease;
}

.comment-item:hover {
    background: var(--background-secondary);
}

.comment-avatar img {
    width: 40px;
    height: 40px;
    border-radius: 20px;
    object-fit: cover;
}

.comment-content {
    flex: 1;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.comment-nickname {
    font-weight: 500;
    color: var(--text-primary);
}

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

.comment-text {
    color: var(--text-primary);
    line-height: 1.5;
}

/* 空状态 */
.comments-empty {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 48px 0;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 16px;
    margin-bottom: 8px;
}

.empty-state span {
    font-size: 14px;
}

/* 加载更多按钮 */
.load-more-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    background: transparent;
    color: var(--primary-color);
    font-weight: 500;
    cursor: pointer;
    margin: 24px auto;
    border-radius: 20px;
    transition: all 0.2s ease;
}

.load-more-btn:hover {
    background: rgba(26, 115, 232, 0.05);
}

/* 加载状态 */
.comments-loading {
    display: flex;
    justify-content: center;
    padding: 24px 0;
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .comment-actions {
        flex-direction: column;
    }
    
    .btn-comment {
        width: 100%;
        justify-content: center;
    }
    
    .comment-item {
        padding: 12px;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .comment-input-wrapper {
        background: rgba(255, 255, 255, 0.05);
    }
    
    .comment-item:hover {
        background: rgba(255, 255, 255, 0.05);
    }
}

.nickname-input {
    margin-bottom: 12px;
}

.nickname-control {
    width: 100%;
    max-width: 250px;
    border: none;
    border-bottom: 1px solid var(--border-color);
    padding: 8px 0;
    font-size: 14px;
    transition: all 0.3s ease;
    background: transparent;
    color: var(--text-primary);
}

.nickname-control:focus {
    outline: none;
    border-bottom-color: var(--primary-color);
}

.nickname-control::placeholder {
    color: var(--text-secondary);
    font-size: 13px;
}

.comment-tips {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 8px;
    padding: 0 4px;
}

/* 消息提示 */
.comment-message {
    padding: 8px 16px;
    border-radius: 8px;
    margin-bottom: 12px;
    font-size: 14px;
    animation: slideIn 0.3s ease;
    transition: opacity 0.3s ease;
}

.comment-message-error {
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.comment-message-warning {
    background-color: #fffbeb;
    color: #d97706;
    border: 1px solid #fef3c7;
}

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

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .comment-message-error {
        background-color: rgba(220, 38, 38, 0.1);
        color: #ef4444;
        border-color: rgba(220, 38, 38, 0.2);
    }
    
    .comment-message-warning {
        background-color: rgba(217, 119, 6, 0.1);
        color: #f59e0b;
        border-color: rgba(217, 119, 6, 0.2);
    }
}