/*
 * mobile.css — Shared mobile navigation system (2026)
 * Hamburger drawer replacing the sidebar on ≤ 768px
 * Include last in every page that has a sidebar.
 */

/* ── Mobile topbar ────────────────────────────────────────────── */
.mobile-topbar {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 60px;
    background: var(--gt-white, #fff);
    border-bottom: 1px solid rgba(56,90,171,0.1);
    box-shadow: 0 2px 16px rgba(26,58,107,0.1);
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 300;
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.95);
}

.mobile-topbar__left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-topbar__logo img {
    height: 36px;
    width: auto;
}

.mobile-topbar__title {
    font-size: 15px;
    font-weight: 700;
    color: #005491;
    font-family: 'Manrope', 'Inter', sans-serif;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

.mobile-topbar__right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ── Hamburger button ─────────────────────────────────────────── */
.hamburger-btn {
    width: 42px;
    height: 42px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 10px;
    padding: 6px;
    transition: background 0.2s;
    flex-shrink: 0;
}

.hamburger-btn:hover { background: rgba(56,90,171,0.08); }

.hamburger-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: #385AAB;
    border-radius: 2px;
    transition: transform 0.3s cubic-bezier(0.22,1,0.36,1),
                opacity 0.3s,
                width 0.3s;
    transform-origin: center;
}

/* X state */
.sidebar-open .hamburger-btn span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.sidebar-open .hamburger-btn span:nth-child(2) {
    opacity: 0;
    width: 0;
}
.sidebar-open .hamburger-btn span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ── Sidebar backdrop (always in DOM via JS) ──────────────────── */
.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(10,20,40,0.45);
    backdrop-filter: blur(3px);
    z-index: 198;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
    display: none; /* JS adds it to DOM; media query enables */
}

/* ── On mobile: transform sidebar into drawer ─────────────────── */
@media (max-width: 768px) {

    /* Show topbar */
    .mobile-topbar { display: flex; }

    /* Backdrop is interactive on mobile */
    .sidebar-backdrop {
        display: block;
        pointer-events: none;
    }

    .sidebar-open .sidebar-backdrop {
        opacity: 1;
        pointer-events: auto;
    }

    /* Push main content down below topbar */
    .main-wrapper,
    .main-content {
        margin-left: 0 !important;
        padding-top: 0;
        /* topbar is 60px fixed — add margin via first child padding instead */
    }

    /* Keep guest-container / admin-container from interfering */
    .guest-container,
    .admin-container {
        display: block !important;
    }

    /* Sidebar becomes a hidden drawer */
    .sidebar {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        height: 100vh !important;
        width: 290px !important;
        min-width: 290px !important;
        min-height: 100vh !important;
        z-index: 250 !important;
        transform: translateX(-100%) !important;
        transition: transform 0.35s cubic-bezier(0.22,1,0.36,1) !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
        box-shadow: none;
    }

    /* Sidebar open state */
    .sidebar-open .sidebar {
        transform: translateX(0) !important;
        box-shadow: 6px 0 40px rgba(0,0,0,0.25) !important;
    }

    /* Hide logo inside drawer (logo is already in mobile-topbar) */
    .sidebar .logo { display: none !important; }

    /* Sidebar header label — show in mobile drawer */
    .sidebar-nav-header { display: flex !important; }
    .sidebar-nav-header {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 20px 20px 16px;
        border-bottom: 1px solid rgba(255,255,255,0.12);
        margin-bottom: 8px;
    }

    .sidebar-nav-header__title {
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: rgba(255,255,255,0.7);
    }

    /* Restore sidebar internals */
    .sidebar-content {
        padding: 0 !important;
    }

    .sidebar-nav {
        padding: 8px 12px 24px !important;
    }

    .nav-link span,
    .submenu-item span {
        display: block !important;
    }

    .nav-link {
        padding: 13px 16px !important;
        gap: 13px !important;
        justify-content: flex-start !important;
    }

    .arrow-icon { display: block !important; }

    .submenu { margin-left: 12px !important; }

    .submenu-item {
        width: auto !important;
        padding: 12px 16px !important;
        gap: 13px !important;
        justify-content: flex-start !important;
    }

    /* Content wrappers — add topbar offset */
    .content-wrapper {
        padding: 80px 16px 40px !important;
    }

    .about-content-wrapper {
        padding: 80px 16px 32px !important;
    }

    .reviews-content-wrapper {
        padding: 80px 16px 32px !important;
    }

    /* Make sure main-content and main-wrapper fill full width */
    .main-content,
    .main-wrapper {
        width: 100% !important;
        min-width: 0 !important;
    }

    /* Header on mobile — hide (topbar replaces it) */
    .guest-header,
    .admin-header {
        display: none !important;
    }

    /* Footer */
    .footer-about {
        padding: 24px 16px !important;
    }

    .footer-content h2 {
        font-size: 22px !important;
        margin-bottom: 18px !important;
    }

    .footer-contacts-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    /* Cards */
    .card {
        flex-direction: column !important;
        padding: 16px !important;
    }

    .card-left { display: flex; justify-content: center; }
    .product-title { max-width: 100% !important; }
    .card-content { flex-direction: column !important; gap: 0 !important; }
    .info-column + .info-column { margin-top: 10px; }

    /* About page */
    .about-services-grid { grid-template-columns: 1fr !important; }
    .about-advantages-grid { grid-template-columns: 1fr 1fr !important; }
    .about-company-card { padding: 22px 18px !important; }

    /* Search panel */
    .cert-search-panel__grid { grid-template-columns: 1fr !important; }
    .cert-search-panel__actions { flex-direction: column !important; }
    .cert-search-panel__actions button { width: 100% !important; }

    /* Reviews */
    .reviews-hero { flex-direction: column; padding: 24px 20px !important; }
    .reviews-hero__stats { gap: 20px; }
    .reviews-coming-soon__inner { padding: 36px 20px !important; }
    .reviews-cta {
        flex-direction: column !important;
        text-align: center !important;
        padding: 20px !important;
    }
    .reviews-cta__btn { width: 100% !important; }

    /* Admin */
    .admin-toolbar.search-section {
        padding: 12px 14px !important;
        gap: 10px !important;
        margin-bottom: 16px !important;
    }
    .search-section { flex-direction: row !important; flex-wrap: wrap !important; gap: 8px !important; margin-bottom: 16px !important; }
    .search-bar {
        flex: 1 1 0 !important;
        min-width: 0 !important;
        max-width: 100% !important;
        height: 38px !important;
        padding: 0 10px !important;
        font-size: 13px !important;
    }
    .search-bar input { font-size: 13px !important; }
    .button-group { flex-direction: row !important; flex-shrink: 0 !important; gap: 8px !important; }
    .action-btn { width: auto !important; height: 38px !important; padding: 0 14px !important; font-size: 13px !important; }
    .toolbar-stats { margin-left: 0 !important; width: 100% !important; }
    .toolbar-stat { justify-content: center !important; }

    /* Admin guide on mobile */
    .admin-guide__cols { grid-template-columns: 1fr !important; }
    .admin-guide__section { border-right: none !important; border-bottom: 1px solid rgba(56,90,171,0.1); }
    .admin-guide__section:last-child { border-bottom: none; }

    .admin-user-label { display: none !important; }

    /* Deleted certs cards */
    .del-list { grid-template-columns: 1fr !important; }
    .del-top-row { flex-direction: column; align-items: flex-start; }

    /* Modals */
    .modal-container,
    .cert-type-modal-container,
    .contact-modal-container {
        width: 95vw !important;
        max-width: 95vw !important;
        border-radius: 20px !important;
    }

    .modal-main-layout { flex-direction: column !important; align-items: center !important; }
    .modal-fields-grid { grid-template-columns: 1fr !important; }
    .fields-row { flex-direction: column !important; }
    .cert-type-options { grid-template-columns: 1fr 1fr !important; padding: 16px !important; gap: 10px !important; }
    .modal-actions { flex-wrap: wrap; }
    .btn-save, .btn-edit, .btn-close { flex: 1; }

    .contact-form { padding: 20px !important; }
    .contact-modal-header { padding: 20px !important; }

    /* Cert type options on very small */
}

@media (max-width: 480px) {
    .sidebar { width: 280px !important; }
    .cert-type-options { grid-template-columns: 1fr !important; }
    .about-advantages-grid { grid-template-columns: 1fr !important; }
    .mobile-topbar__title { max-width: 120px; }
    .reviews-hero__stats { gap: 14px; }
    .reviews-stat__num { font-size: 28px !important; }
}