/* 自定义样式 */

/* 全局样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f5f6fa;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* 卡片悬停效果 */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* 按钮动画 */
.btn {
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* 表格响应式 */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* 移动端优化 */
@media (max-width: 768px) {
    h1, h2, h3, h4, h5, h6 {
        font-size: 1.2em;
    }
    
    .btn {
        padding: 8px 12px;
        font-size: 14px;
    }
    
    input, select, textarea {
        font-size: 16px;  /* 防止iOS缩放 */
    }
}

/* 加载动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #7f8c8d;
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* 标签样式 */
.badge {
    padding: 5px 10px;
    font-weight: 500;
}

/* 表单验证 */
.form-control.is-invalid {
    border-color: #e74c3c;
}

.invalid-feedback {
    display: block;
    color: #e74c3c;
    font-size: 14px;
    margin-top: 5px;
}

/* 打印样式 */
@media print {
    .sidebar, .mobile-menu-toggle, .user-info, .btn {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
    }
}