.page {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.top-row {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3.5rem;
    display: flex;
    align-items: center;
    background-color: #f7f7f7;
    border-bottom: 1px solid #ddd;
    z-index: 100;
    padding: 0 1rem;
}

.top-title {
    width: 250px;
    font-weight: bold;
}

.top-menu {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* 본문 구조 */
main {
    display: flex;
    flex: 1;
    margin-top: 3.5rem;
    overflow: hidden;
    /*height: calc(100vh - 3.5rem);*/
}

.side-menu {
    width: 250px;
    background: linear-gradient(180deg, rgb(5, 39, 103), #3a0647);
    color: white;
    padding: 1rem;
    overflow-y: auto;
    flex-shrink: 0;
}

.content {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
    background-color: #fff;
}

/* ✅ 모바일 대응 */
@media (max-width: 768px) {
    .top-row {
        flex-direction: row;
        justify-content: space-between;
    }

    .top-title {
        width: auto;
        font-size: 1rem;
    }

    .top-menu {
        justify-content: flex-end;
    }

    main {
        flex-direction: column;
        height: calc(100vh - 3.5rem);
    }

    .side-menu {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        width: 100%;
        white-space: nowrap;
        padding: 0.5rem 1rem;
    }

    .content {
        flex: 1;
        padding: 1rem;
    }
}