/*
 * class-mobile.css
 * Mobile-only overrides for class.html (course stream page).
 * Loaded LAST so it wins over all other stylesheets.
 * Only activates on screens ≤ 768px.
 */

@media (max-width: 768px) {

    /* ── ROOT OVERFLOW LOCK ── */
    html,
    body,
    .classroom-layout {
        overflow-x: hidden !important;
        max-width: 100vw !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overscroll-behavior-y: none;
        /* Prevent clunky pull-to-refresh on inner containers */
    }

    /* ── TOPBAR ── */
    .classroom-topbar {
        height: calc(52px + env(safe-area-inset-top, 0px)) !important;
        padding: env(safe-area-inset-top, 0px) 12px 0 12px !important;
        display: flex !important;
        align-items: center !important;
    }

    .topbar-logo h1 {
        display: none !important;
    }

    /* ── MAIN CONTENT AREA ── */
    .classroom-main {
        margin-top: calc(52px + env(safe-area-inset-top, 0px)) !important;
        padding: 16px 12px calc(16px + env(safe-area-inset-bottom, 0px)) 12px !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }

    /* ── HERO SECTION (course banner) ── */
    .hero-premium-v2 {
        padding: 36px 16px !important;
        margin-bottom: 16px !important;
        border-radius: 16px !important;
        overflow: hidden !important;
    }

    .hero-title-v2 {
        font-size: 1.75rem !important;
        letter-spacing: -0.5px !important;
        word-break: break-word !important;
    }

    .hero-subtitle-v2 {
        font-size: 0.95rem !important;
    }

    /* ── CONTENT GRID: single column, no overflow ── */
    .content-grid-system {
        display: flex !important;
        flex-direction: column !important;
        gap: 16px !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    /* Widgets go ABOVE the lesson list on mobile */
    .widgets-container {
        display: flex !important;
        flex-direction: column !important;
        gap: 12px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        position: static !important;
        order: -1 !important;
    }

    .stream-container {
        display: flex !important;
        flex-direction: column !important;
        gap: 12px !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        box-sizing: border-box !important;
    }

    /* ── WIDGETS ── */
    .glass-widget-v2 {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 20px 16px !important;
        border-radius: 16px !important;
    }

    /* ── LESSON CARDS ── */
    .premium-card-v2 {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 16px !important;
        border-radius: 16px !important;
    }

    .premium-title-v2 {
        font-size: 1.15rem !important;
        word-break: break-word !important;
        letter-spacing: -0.2px;
    }

    .premium-summary-v2 {
        font-size: 0.9rem !important;
    }

    .premium-icon-box-v2 {
        width: 48px !important;
        height: 48px !important;
        flex-shrink: 0 !important;
        margin-bottom: 0 !important;
    }

    /* ── EXAM / PROGRESS WIDGET ── */
    #exam-widget-container>div {
        width: 100% !important;
        box-sizing: border-box !important;
    }

    /* ── ARTICLES (dev.to widget) ── */
    #articles-list,
    .article-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    /* ── AUTH MODAL (exam modal reuses these styles) ── */
    .auth-modal {
        width: calc(100vw - 32px) !important;
        max-width: calc(100vw - 32px) !important;
        max-height: 90vh !important;
        overflow-y: auto !important;
    }

    .auth-modal-content {
        padding: 20px !important;
        max-height: 85vh !important;
        overflow-y: auto !important;
    }
}