* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    padding: 20px;
    background-color: #f5f5f5;
    font-size: 14px;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    background: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.08);
}
h1, h2 {
    margin-bottom: 25px;
    color: #333333;
    text-align: center;
    font-weight: 600;
}
.btn-group {
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.table {
    margin-top: 20px;
    font-size: 13px;
}
/* 状态文字样式 - 绿色在库、红色已出库 */
.status-in {
    color: #198754;
    font-weight: 700;
}
.status-out {
    color: #dc3545;
    font-weight: 700;
}
.form-group {
    margin-bottom: 18px;
}
.form-label {
    font-weight: 500;
    color: #444;
}
.footer {
    text-align: center;
    margin-top: 40px;
    color: #666666;
    padding-top: 20px;
    border-top: 1px solid #eee;
}
/* 小按钮适配 */
.btn-sm {
    padding: 2px 8px;
}
/* 提示框间距 */
.alert {
    margin-bottom: 20px;
}
/* 入库表单列间距 */
.row {
    gap: 20px;
}