/* ==============================================
   MAIN LAYOUT STRUCTURE
   ============================================== */

/* Base body handling for SPA mode */
body.spa-app {
    overflow: hidden;
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
}

main.page-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow: hidden;
    position: relative;
    overscroll-behavior: auto;
    overscroll-behavior-y: auto;
    padding: 0;
}

/* ==============================================
   STANDARD PAGE CONTAINERS
   ============================================== */

/* The main scrollable container for pages */
.page-container {
    flex-grow: 1;
    width: 100%;
    background-color: var(--bg-primary);
    position: relative;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
    font-family: var(--font-primary);
    max-width: 100%;
    margin: 0 auto;
    padding:
        0 var(--spa-shell-inset-inline-desktop) var(--page-container-bottom-desktop-current, var(--spa-shell-inset-bottom-desktop));
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: var(--bg-tertiary) var(--bg-primary);
}

/* Inner content wrapper to constrain width on large screens */
.content-wrapper {
    max-width: var(--spa-shell-max-width);
    margin: var(--spa-shell-inset-top-desktop) auto 0;
    width: 100%;
}

.page-container--footer-nav {
    --page-container-bottom-desktop-current: var(--spa-shell-inset-bottom-footer-nav);
}

@media (max-width: 768px) {

    .page-container {
        padding: 0 0 var(--page-container-bottom-mobile-current, var(--spa-shell-inset-bottom-mobile));
    }

    .content-wrapper {
        padding:
            var(--content-wrapper-top-mobile-current, var(--spa-shell-inset-top-mobile)) var(--spa-shell-inset-inline-mobile);
        margin: 0 auto;
    }

    .page-container--footer-nav {
        --page-container-bottom-mobile-current: var(--spa-shell-inset-bottom-footer-nav);
    }

    .page-container--back-button {
        --content-wrapper-top-mobile-current: var(--spa-shell-inset-top-mobile-back-button);
    }
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.section-header h2 {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}