@media (min-width: 1024px) {
    nav[aria-label="Main navigation"] .relative.group .guest-nav-dd {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: scale(0.95);
        transition-property: opacity, transform, visibility;
        transition-duration: 200ms;
        transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    }

    nav[aria-label="Main navigation"] .relative.group:hover .guest-nav-dd,
    nav[aria-label="Main navigation"] .relative.group:focus-within .guest-nav-dd {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: scale(1);
    }

    nav[aria-label="Main navigation"] .relative.group .guest-nav-mega-home {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: scale(0.95) translateY(-0.5rem);
        transition-property: opacity, transform, visibility;
        transition-duration: 300ms;
        transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    }

    nav[aria-label="Main navigation"] .relative.group:hover .guest-nav-mega-home,
    nav[aria-label="Main navigation"] .relative.group:focus-within .guest-nav-mega-home {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: scale(1) translateY(0);
    }

    nav[aria-label="Main navigation"] .relative.group .guest-nav-mega-pages {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translate(-50%, -0.5rem) scale(0.95);
        transition-property: opacity, transform, visibility;
        transition-duration: 300ms;
        transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    }

    nav[aria-label="Main navigation"] .relative.group:hover .guest-nav-mega-pages,
    nav[aria-label="Main navigation"] .relative.group:focus-within .guest-nav-mega-pages {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translate(-50%, 0) scale(1);
    }
}

/* -------------------------------------------------------------------------- */
/* Guest mobile nav modal — layout + tokens aligned with admin/teacher mobile */
/* menu (mobile-menu-item, icons, dropdowns). Scoped to #guest-mobile-menu-   */
/* overlay so app.css variables are not required on the public site.          */
/* -------------------------------------------------------------------------- */

.guest-mm-overlay {
    position: fixed;
    inset: 0;
    z-index: 1100;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.guest-mm-overlay.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.guest-mm-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.guest-mm-panel {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    max-height: 85vh;
    background: #fff;
    border-radius: 24px 24px 0 0;
    border: 1px solid rgb(229 231 235);
    border-bottom: none;
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.12);
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.guest-mm-overlay.is-open .guest-mm-panel {
    transform: translateY(0);
}

/* Close button (matches admin nav-icon-btn feel) */
#guest-mobile-menu-overlay .guest-mm-nav-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    color: rgb(55 65 81);
    background: rgb(249 250 251);
    transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

#guest-mobile-menu-overlay .guest-mm-nav-icon-btn:hover {
    background: rgb(243 244 246);
    color: rgb(22 101 52);
}

#guest-mobile-menu-overlay .guest-mm-nav-icon-btn:active {
    transform: scale(0.95);
}

/* ——— Shared with admin/teacher class names (scoped) ——— */

#guest-mobile-menu-overlay .mobile-menu-header {
    flex-shrink: 0;
    padding: 16px 20px;
    border-bottom: 1px solid rgb(229 231 235);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: #fff;
}

#guest-mobile-menu-overlay .mobile-menu-content {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 8px 16px 16px;
    -webkit-overflow-scrolling: touch;
}

#guest-mobile-menu-overlay a.mobile-menu-item {
    text-decoration: none;
    color: inherit;
}

#guest-mobile-menu-overlay .mobile-menu-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    margin: 4px 0;
    border-radius: 16px;
    transition: background 0.2s ease, transform 0.1s ease;
    cursor: pointer;
    min-height: 56px;
    position: relative;
    -webkit-tap-highlight-color: transparent;
}

#guest-mobile-menu-overlay .mobile-menu-item:hover {
    background: rgb(249 250 251);
}

#guest-mobile-menu-overlay .mobile-menu-item:active {
    transform: scale(0.98);
    background: rgb(243 244 246);
}

#guest-mobile-menu-overlay .mobile-menu-item-icon {
    width: 40px;
    height: 40px;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgb(243 244 246);
    flex-shrink: 0;
}

#guest-mobile-menu-overlay .mobile-menu-item-icon i {
    font-size: 18px;
    color: rgb(75 85 99);
}

#guest-mobile-menu-overlay .mobile-menu-item-content {
    flex: 1;
    min-width: 0;
}

#guest-mobile-menu-overlay .mobile-menu-item-title {
    font-family: "Poppins", ui-sans-serif, system-ui, sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: rgb(17 24 39);
    margin-bottom: 2px;
}

#guest-mobile-menu-overlay .mobile-menu-item-subtitle {
    font-size: 13px;
    color: rgb(107 114 128);
    line-height: 1.35;
    word-break: break-word;
}

#guest-mobile-menu-overlay .mobile-menu-item-arrow {
    color: rgb(156 163 175);
    font-size: 14px;
    flex-shrink: 0;
}

#guest-mobile-menu-overlay .mobile-menu-divider {
    height: 1px;
    background: rgb(229 231 235);
    margin: 12px 20px;
}

#guest-mobile-menu-overlay .mobile-menu-dropdown {
    margin: 4px 0;
}

#guest-mobile-menu-overlay .mobile-menu-dropdown-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 20px 0 64px;
}

#guest-mobile-menu-overlay .mobile-menu-dropdown-content:not(.hidden) {
    max-height: 600px;
    padding-top: 6px;
    padding-bottom: 6px;
}

#guest-mobile-menu-overlay .mobile-menu-dropdown-content.hidden {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
}

#guest-mobile-menu-overlay .mobile-menu-subitem {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin: 2px 0;
    border-radius: 12px;
    transition: background 0.2s ease, transform 0.1s ease;
    cursor: pointer;
    color: rgb(17 24 39);
    text-decoration: none;
}

#guest-mobile-menu-overlay .mobile-menu-subitem:hover {
    background: rgb(249 250 251);
}

#guest-mobile-menu-overlay .mobile-menu-subitem:active {
    transform: scale(0.98);
    background: rgb(243 244 246);
}

#guest-mobile-menu-overlay .mobile-menu-subitem i {
    font-size: 16px;
    color: rgb(22 101 52);
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

#guest-mobile-menu-overlay .mobile-menu-subitem span {
    font-size: 14px;
    font-weight: 500;
}

#guest-mobile-menu-overlay .mobile-dropdown-arrow {
    transition: transform 0.3s ease;
}

#guest-mobile-menu-overlay .mobile-menu-dropdown.active .mobile-dropdown-arrow {
    transform: rotate(180deg);
}

#guest-mobile-menu-overlay .mobile-menu-footer {
    flex-shrink: 0;
    padding: 14px 20px calc(14px + env(safe-area-inset-bottom, 0));
    border-top: 1px solid rgb(229 231 235);
    background: rgb(249 250 251);
}

#guest-mobile-menu-overlay .guest-mm-footer-title {
    font-size: 14px;
    font-weight: 600;
    color: rgb(17 24 39);
}

#guest-mobile-menu-overlay .guest-mm-footer-sub {
    font-size: 12px;
    font-weight: 500;
    color: rgb(107 114 128);
}

@media (min-width: 1024px) {
    .guest-mm-overlay {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }

    .guest-mm-overlay.is-open {
        display: none !important;
    }
}

/* Dark mode — uses M3 tokens from resources/css/app.css (same as portal) */
html[data-theme="dark"] #guest-mobile-menu-overlay .guest-mm-panel {
    background: var(--surface-container-lowest) !important;
    border-color: var(--outline-variant) !important;
    box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.45);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .guest-mm-backdrop {
    background: rgba(0, 0, 0, 0.65);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .guest-mm-nav-icon-btn {
    color: var(--on-surface-variant);
    background: var(--surface-container-high);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .guest-mm-nav-icon-btn:hover {
    background: var(--surface-container);
    color: var(--primary);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .mobile-menu-header {
    background: var(--surface-container-low);
    border-bottom-color: var(--outline-variant);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .mobile-menu-item:hover {
    background: var(--surface-container-high);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .mobile-menu-item:active {
    background: var(--surface-container);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .mobile-menu-item-icon {
    background: var(--surface-container-high);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .mobile-menu-item-icon i {
    color: var(--on-surface-variant);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .mobile-menu-item-title {
    color: var(--on-surface);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .mobile-menu-item-subtitle {
    color: var(--on-surface-variant);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .mobile-menu-item-arrow {
    color: var(--on-surface-variant);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .mobile-menu-divider {
    background: var(--outline-variant);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .mobile-menu-subitem {
    color: var(--on-surface);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .mobile-menu-subitem:hover {
    background: var(--surface-container-high);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .mobile-menu-subitem:active {
    background: var(--surface-container);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .mobile-menu-subitem i {
    color: var(--primary);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .mobile-menu-footer {
    background: var(--surface-container-low);
    border-top-color: var(--outline-variant);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .guest-mm-footer-title {
    color: var(--on-surface);
}

html[data-theme="dark"] #guest-mobile-menu-overlay .guest-mm-footer-sub {
    color: var(--on-surface-variant);
}