body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* 统计卡片动画 */
.bg-white.shadow.rounded-lg {
    transition: transform 0.2s, box-shadow 0.2s;
}

.bg-white.shadow.rounded-lg:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 4px 10px -6px rgba(0, 0, 0, 0.05);
}

/* 表格行hover */
tr:hover td {
    background-color: #f8fafc;
}

/* 状态标签 */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-pending {
    background-color: #fef3c7;
    color: #92400e;
}

.status-replied {
    background-color: #d1fae5;
    color: #065f46;
}

.status-completed {
    background-color: #dbeafe;
    color: #1e40af;
}

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: 50%;
    border-top-color: #3b82f6;
    animation: spin 0.8s linear infinite;
}

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

/* 详情展开动画 */
.detail-row {
    animation: fadeIn 0.3s ease-in;
}

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

/* 响应式 */
@media (max-width: 768px) {
    .grid-cols-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}