/**
 * 布局优化补充样式
 * 提供额外的布局改进和工具类
 */

/* 卡片分组样式 */
.card-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card-group-title {
    grid-column: 1 / -1;
    font-size: 1.3em;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

/* 紧凑列表样式 */
.compact-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.compact-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    border-left: 3px solid var(--accent);
    transition: all 0.2s;
}

.compact-list-item:hover {
    background: rgba(59, 130, 246, 0.05);
    transform: translateX(4px);
}

/* 统计卡片样式 - 主定义在 style.css，此处仅作补充 */

/* 工具栏优化 */
.toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.toolbar-btn {
    padding: 6px 10px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85em;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}

.toolbar-btn:hover {
    background: rgba(59, 130, 246, 0.2);
    transform: translateY(-1px);
}

/* 空状态优化 */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-size: 0.9em;
}

.empty-state-icon {
    font-size: 3em;
    margin-bottom: 10px;
    opacity: 0.5;
}

/* 加载状态优化 */
.loading {
    text-align: center;
    padding: 30px;
    color: var(--text-muted);
    font-size: 0.9em;
}

.loading::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* 响应式工具类 */
.hide-mobile {
    display: block;
}

.show-mobile {
    display: none;
}

@media (max-width: 768px) {
    .hide-mobile {
        display: none;
    }
    
    .show-mobile {
        display: block;
    }
}

/* 间距工具类 */
.mt-small { margin-top: 8px; }
.mt-medium { margin-top: 16px; }
.mt-large { margin-top: 24px; }

.mb-small { margin-bottom: 8px; }
.mb-medium { margin-bottom: 16px; }
.mb-large { margin-bottom: 24px; }

.p-small { padding: 8px; }
.p-medium { padding: 16px; }
.p-large { padding: 24px; }