.layout-container {
    height: calc(100vh - var(--header-height, 70px));
    width: 100vw;
    background: radial-gradient(circle at center, var(--bg-panel) 0%, var(--bg-base) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    overflow: hidden;
}

.layout-grid {
    display: grid;
    grid-template-columns: 320px min-content 320px;
    gap: 60px;
    width: 100%;
    max-width: 1800px;
    height: 100%;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
}

.panel-region {
    background: rgba(var(--bg-panel-rgb), 0.7);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);

    display: flex;
    flex-direction: column;
    overflow: visible;
    position: relative;
    z-index: 5;

    height: calc(100vh - var(--header-height, 70px) - 60px);
    max-height: 720px;
    padding: 0 !important;
}

.region-center {
    background: transparent;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 !important;
    width: auto;
    height: 100%;
    overflow: visible;
}

@media (max-width: 1100px) {
    .layout-container {
        display: block;
        overflow-y: auto;
        overflow-x: hidden;
        padding: 10px;
        height: auto;
        min-height: calc(100dvh - var(--header-height, 70px));
    }

    .layout-grid {
        display: flex;
        flex-direction: column;
        height: auto;
        gap: 20px;
        padding: 10px 0 50px 0;
    }

    .region-center {
        order: 1;
        width: 100%;
        height: auto;
    }

    .region-left {
        order: 2;
        width: 100%;
        height: 500px;
        max-height: 60vh;
    }

    .region-right {
        order: 3;
        width: 100%;
        height: 500px;
        max-height: 60vh;
    }
}