:root {
    --container-tight: 900px; /* Forms / Focus Views */
    --container-standard: 1280px; /* Default Admin / Content */
    --container-wide: 1440px; /* Tables / Multi-pane Editors */
    --container-full: 3000px; /* Complex Analytics / Wide Grids */
}

html {
    font-size: 16px;
}

html, body {
    background-color: var(--bg-main-overlay);
    font-family: var(--font-family);
    color: var(--text-bright);
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
}

h1:focus {
    outline: none;
}

.page-viewport-grid {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

.admin-container {
    max-width: var(--container-standard);
    margin: 0 auto;
    padding: 16px;
    box-sizing: border-box;
    width: 100%;
    display: flex;
    flex-direction: column;
}

    .admin-container.tight {
        max-width: var(--container-tight) !important;
    }

    .admin-container.wide {
        max-width: var(--container-wide) !important;
        padding: 16px;
    }

    .admin-container.full,
    .admin-container-editpages {
        max-width: var(--container-full) !important;
        width: 100% !important;
        margin: 0 auto !important;
        padding: 16px;
        box-sizing: border-box;
        display: flex;
        flex-direction: column;
    }

    .admin-container > .admin-card:nth-of-type(1) {
        z-index: 20 !important;
    }

    .admin-container > .admin-card:nth-of-type(2) {
        flex: 1;
        min-height: 0;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

.admin-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-bg-green);
    border-radius: 10px;
    padding: 10px;
    padding-top: 5px !important;
    margin-top: 5px;
    margin-bottom: 5px;
    position: relative;
    z-index: 10;
    overflow: visible !important;
}

    .admin-card h2 {
        text-align: center;
        justify-self: center;
        font-size: 27px;
        font-weight: 700;
        margin: 20px;
        color: var(--brand-green);
        margin-top: 5px !important;
        margin-bottom: 5px !important;
    }

.form-divider {
    border: 0;
    height: 1px;
    background: var(--border-input);
    position: relative;
    z-index: 1;
}

.form-divider {
    margin: 1rem 0 !important;
}

/* Unified Sticky Container Header */
.sticky-top-stack {
    position: -webkit-sticky !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
    width: 100% !important;
    background: var(--bg-main-overlay);
}

.seo-home-container {
    width: 100%;
}

@media (max-width: 768px) {
    html, body {
        height: auto !important;
        /* NO overflow property at all — leave both axes as default 'visible' */
    }

    .page-viewport-grid,
    .seo-home-container,
    .admin-container {
        display: block !important;
        height: auto !important;
        min-height: 0 !important;
        overflow: visible !important;
    }

    /* Horizontal clipping moved here — main is a SIBLING of .sticky-top-stack, not a parent */
    main.seo-home-container {
        overflow-x: hidden !important;
        max-width: 100vw;
    }

    .sticky-top-stack {
        position: sticky !important;
        top: 0 !important;
        z-index: 9999 !important;
        width: 100% !important;
        background: var(--bg-main-overlay);
    }
}