/* ==========================================================================
   App & admin desktop shell — Soft SaaS layout (1024px+ only)
   Matches marketing mockup: light canvas, white cards, clean headers.
   ========================================================================== */

@media (min-width: 1024px) {
    body.page-app {
        --shell-bg: #f9fafb;
        --shell-border: #e5e7eb;
        --shell-radius: 16px;
        --shell-shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 8px 24px rgba(15, 23, 42, 0.04);
        --shell-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
        background: var(--shell-bg);
    }

    body.page-app .site-header {
        background: #fff;
        backdrop-filter: none;
        border-bottom: 1px solid var(--shell-border);
        box-shadow: none;
    }

    body.page-app .main-content {
        padding-top: 2rem;
        padding-bottom: 3.5rem;
    }

    body.page-app .container.main-content,
    body.page-app .main-wide.main-content {
        max-width: 1280px;
        margin-left: auto;
        margin-right: auto;
        padding-left: max(1.5rem, env(safe-area-inset-left));
        padding-right: max(1.5rem, env(safe-area-inset-right));
    }

    /* Shared elevated card surfaces */
    body.page-app .form-card,
    body.page-app .dash-panel,
    body.page-app .billing-card,
    body.page-app .card-panel,
    body.page-app .stat-card,
    body.page-app .qr-preview-panel,
    body.page-app .dash-qr-card,
    body.page-app .dash-profile-prompt,
    body.page-app .dash-upgrade-panel,
    body.page-app .dash-locked-panel,
    body.page-app .download-layout .card-panel,
    body.page-app .plan-outcomes.billing-card {
        background: #fff;
        border: 1px solid var(--shell-border);
        border-radius: var(--shell-radius);
        box-shadow: var(--shell-shadow-sm);
    }

    /* Dashboard hero → flat page header (mockup style) */
    body.page-dashboard .dash-hero {
        background: transparent;
        color: var(--text);
        box-shadow: none;
        padding: 0 0 1.75rem;
        margin-bottom: 0.25rem;
        align-items: flex-end;
    }

    body.page-dashboard .dash-eyebrow {
        color: var(--muted);
        opacity: 1;
        text-transform: none;
        font-size: 0.875rem;
        font-weight: 600;
        letter-spacing: 0;
    }

    body.page-dashboard .dash-hero h1 {
        font-size: 2.125rem;
        font-weight: 800;
        letter-spacing: -0.03em;
        line-height: 1.15;
    }

    body.page-dashboard .dash-hero-sub {
        color: var(--text-secondary);
        opacity: 1;
        font-size: 1.05rem;
        margin-top: 0.65rem;
    }

    body.page-dashboard .dash-hero .btn-primary {
        background: linear-gradient(135deg, var(--primary), var(--accent));
        color: #fff;
        border: none;
        box-shadow: 0 2px 10px rgba(79, 70, 229, 0.28);
    }

    body.page-dashboard .dash-hero .btn-primary:hover {
        color: #fff;
        box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    }

    body.page-dashboard .dash-hero .btn-secondary {
        background: #fff;
        color: var(--text);
        border: 1px solid var(--shell-border);
    }

    body.page-dashboard .dash-hero .btn-secondary:hover {
        background: #f8fafc;
        color: var(--text);
        border-color: #cbd5e1;
    }

    body.page-dashboard .dash-stat {
        background: #fff;
        border: 1px solid var(--shell-border);
        border-radius: var(--shell-radius);
        box-shadow: var(--shell-shadow-sm);
        padding: 1.35rem 1.5rem;
    }

    body.page-dashboard .dash-stat-value {
        font-size: 1.9rem;
    }

    body.page-dashboard .dash-layout {
        grid-template-columns: minmax(0, 1fr) 320px;
        gap: 1.75rem;
    }

    body.page-dashboard .dash-section-head h2 {
        font-size: 1.25rem;
        font-weight: 700;
        letter-spacing: -0.02em;
    }

    body.page-dashboard .dash-qr-card:hover {
        box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
        border-color: #cbd5e1;
    }

    /* App page headers (edit QR, analytics, billing, account) */
    body.page-app .page-header {
        margin-bottom: 1.75rem;
        padding-bottom: 0.25rem;
    }

    body.page-app .page-header h1 {
        font-size: 2.125rem;
        font-weight: 800;
        letter-spacing: -0.03em;
        line-height: 1.15;
    }

    body.page-app .page-subtitle {
        font-size: 1rem;
        margin-top: 0.5rem;
    }

    /* QR builder / edit two-column studio */
    body.page-app .qr-builder {
        gap: 1.75rem;
        align-items: start;
    }

    body.page-app .qr-builder .form-card {
        padding: 1.75rem 2rem;
    }

    body.page-app .qr-preview-panel {
        padding: 1.75rem 1.5rem;
        top: calc(var(--header-h) + 1.25rem);
    }

    body.page-app .qr-preview-panel .preview-panel-label {
        font-size: 0.8rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.06em;
        color: var(--muted);
    }

    /* Billing & account */
    body.page-app .billing-grid {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
        gap: 1.75rem;
    }

    body.page-app .billing-help {
        background: #fff;
        border: 1px solid var(--shell-border);
        border-radius: var(--shell-radius);
        box-shadow: var(--shell-shadow-sm);
        padding: 1.5rem;
    }

    body.page-app .stats-grid .stat-card {
        padding: 1.35rem 1.5rem;
    }

    /* Alerts & banners */
    body.page-app .alert,
    body.page-app .dash-live-banner,
    body.page-app .dash-dev-banner,
    body.page-app .dash-onboarding {
        border-radius: 12px;
    }

    /* Forms */
    body.page-app input[type="text"],
    body.page-app input[type="url"],
    body.page-app input[type="email"],
    body.page-app input[type="password"],
    body.page-app input[type="number"],
    body.page-app input[type="search"],
    body.page-app input[type="date"],
    body.page-app select,
    body.page-app textarea {
        border-radius: 10px;
        border-color: var(--shell-border);
        background: #fff;
    }

    body.page-app input:focus,
    body.page-app select:focus,
    body.page-app textarea:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
    }

    body.page-app .btn {
        border-radius: 10px;
        font-weight: 600;
    }

    body.page-app .btn-primary {
        box-shadow: 0 2px 8px rgba(79, 70, 229, 0.22);
    }

    body.page-app .preset-btn,
    body.page-app .swatch-btn {
        border-radius: 10px;
    }

    body.page-app .swatch-btn {
        border-radius: 50%;
    }

    body.page-app .plan-toggle-wrap {
        background: #fff;
        border-radius: 12px;
        border-color: var(--shell-border);
        box-shadow: var(--shell-shadow-sm);
    }

    /* Admin shell */
    body.page-admin .admin-layout {
        grid-template-columns: 252px minmax(0, 1fr);
        gap: 2rem;
        align-items: start;
    }

    body.page-admin .admin-sidebar {
        background: #fff;
        border: 1px solid var(--shell-border);
        border-radius: var(--shell-radius);
        box-shadow: var(--shell-shadow-sm);
        padding: 1.25rem 1rem;
        top: calc(var(--header-h) + 1.25rem);
    }

    body.page-admin .admin-nav a {
        border-radius: 10px;
        padding: 0.55rem 0.85rem;
        margin: 0 0.15rem;
    }

    body.page-admin .admin-nav a.is-active {
        background: #eef2ff;
        color: var(--primary);
        font-weight: 600;
        box-shadow: inset 3px 0 0 var(--primary);
    }

    body.page-admin .admin-nav a:hover:not(.is-active) {
        background: #f8fafc;
        color: var(--text);
    }

    body.page-admin .admin-nav-group-label {
        color: #94a3b8;
        padding-left: 0.85rem;
    }

    body.page-admin .admin-page-header-top h1 {
        font-size: 2.125rem;
        font-weight: 800;
        letter-spacing: -0.03em;
    }

    body.page-admin .admin-page-header .page-subtitle {
        font-size: 1rem;
    }

    body.page-admin .table-wrap {
        background: #fff;
        border: 1px solid var(--shell-border);
        border-radius: var(--shell-radius);
        box-shadow: var(--shell-shadow-sm);
    }

    body.page-admin .admin-table th {
        background: #f9fafb;
        font-size: 0.7rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.06em;
        color: #64748b;
        border-bottom: 1px solid var(--shell-border);
        padding-top: 0.85rem;
        padding-bottom: 0.85rem;
    }

    body.page-admin .admin-table td {
        border-bottom: 1px solid #f1f5f9;
        vertical-align: middle;
    }

    body.page-admin .admin-table tbody tr:hover {
        background: #fafbff;
    }

    body.page-admin .stat-card,
    body.page-admin .stats-grid .stat-card,
    body.page-admin .stats-row .stat-card {
        border-radius: var(--shell-radius);
        box-shadow: var(--shell-shadow-sm);
        border-color: var(--shell-border);
        padding: 1.35rem 1.5rem;
    }

    body.page-admin .admin-toolbar {
        background: #fff;
        border: 1px solid var(--shell-border);
        border-radius: 12px;
        padding: 1rem 1.15rem;
        box-shadow: var(--shell-shadow-sm);
    }

    body.page-admin .admin-panels > .billing-card,
    body.page-admin .admin-panels > .card-panel,
    body.page-admin .admin-panels > div {
        border-radius: var(--shell-radius);
        box-shadow: var(--shell-shadow-sm);
    }

    body.page-admin .admin-tabs a.is-active {
        background: #eef2ff;
        border-color: var(--primary);
        color: var(--primary);
        font-weight: 600;
    }

    body.page-admin .form-input,
    body.page-admin .admin-toolbar input,
    body.page-admin .admin-toolbar select {
        border-radius: 10px;
        border-color: var(--shell-border);
    }

    /* Footer: subtle separation on app pages */
    body.page-app .site-footer {
        background: #fff;
        border-top: 1px solid var(--shell-border);
        margin-top: 1rem;
    }

    body.page-app .site-footer .footer-grid {
        padding-top: 0.5rem;
    }

    /* Logged-in app navigation */
    body.page-app .app-nav {
        align-items: center;
        gap: 0.15rem 1.1rem;
    }

    body.page-app .app-nav > a {
        font-weight: 600;
        font-size: 0.92rem;
        color: var(--text-secondary);
        padding: 0.45rem 0.15rem;
        border-radius: 8px;
    }

    body.page-app .app-nav > a:hover,
    body.page-app .app-nav > a.is-active {
        color: var(--primary);
    }

    body.page-app .app-nav-upgrade {
        margin-left: 0.35rem;
        box-shadow: 0 2px 8px rgba(79, 70, 229, 0.22);
        color: #fff;
    }

    body.page-app .app-nav-upgrade:hover,
    body.page-app .app-nav-upgrade:focus-visible {
        color: #fff;
    }

    body.page-app .app-nav-dropdown {
        position: relative;
    }

    body.page-app .app-nav-dropdown-trigger {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        font: inherit;
        font-weight: 600;
        font-size: 0.92rem;
        color: var(--text-secondary);
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0.45rem 0.15rem;
    }

    body.page-app .app-nav-dropdown-trigger:hover,
    body.page-app .app-nav-dropdown.is-open .app-nav-dropdown-trigger {
        color: var(--primary);
    }

    body.page-app .app-nav-chevron {
        width: 0.45rem;
        height: 0.45rem;
        border-right: 2px solid currentColor;
        border-bottom: 2px solid currentColor;
        transform: rotate(45deg) translateY(-1px);
        transition: transform 0.15s ease;
    }

    body.page-app .app-nav-dropdown.is-open .app-nav-chevron {
        transform: rotate(-135deg) translateY(1px);
    }

    body.page-app .app-nav-dropdown-menu {
        position: absolute;
        top: calc(100% + 0.45rem);
        left: 0;
        min-width: 11.5rem;
        background: #fff;
        border: 1px solid var(--shell-border);
        border-radius: 12px;
        box-shadow: var(--shell-shadow);
        padding: 0.4rem;
        z-index: 120;
    }

    body.page-app .app-nav-dropdown-menu a {
        display: block;
        padding: 0.55rem 0.75rem;
        border-radius: 8px;
        font-weight: 600;
        font-size: 0.9rem;
        color: var(--text);
    }

    body.page-app .app-nav-dropdown-menu a:hover {
        background: #f8fafc;
        color: var(--primary);
    }

    body.page-app .app-nav-dropdown-muted {
        color: var(--muted) !important;
        font-weight: 500 !important;
    }

    body.page-app .app-nav-account {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        margin-left: 0.15rem;
    }

    body.page-app .app-nav-account-icon {
        width: 2rem;
        height: 2rem;
        border-radius: 999px;
        background: linear-gradient(135deg, #eef2ff, #e0e7ff);
        border: 1px solid #c7d2fe;
        position: relative;
    }

    body.page-app .app-nav-account-icon::after {
        content: '';
        position: absolute;
        inset: 0.45rem 0.55rem auto;
        height: 0.55rem;
        border-radius: 999px;
        background: var(--primary);
        opacity: 0.55;
    }

    body.page-app .app-nav-account-icon::before {
        content: '';
        position: absolute;
        left: 0.5rem;
        right: 0.5rem;
        bottom: 0.35rem;
        height: 0.7rem;
        border-radius: 999px 999px 4px 4px;
        background: var(--primary);
        opacity: 0.4;
    }

    body.page-app .app-nav-account-label {
        font-weight: 600;
        font-size: 0.92rem;
    }

    @media (min-width: 1100px) {
        body.page-app .app-nav-account-label {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
    }

    /* App page header with actions */
    body.page-app .app-page-header {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 1.25rem;
        flex-wrap: wrap;
    }

    body.page-app .app-page-eyebrow {
        font-size: 0.875rem;
        font-weight: 600;
        margin: 0 0 0.35rem;
    }

    body.page-app .app-page-header-actions {
        display: flex;
        align-items: center;
        gap: 0.65rem;
        flex-wrap: wrap;
    }

    /* Builder studio: icon rail + sections */
    body.page-app .builder-studio {
        display: grid;
        grid-template-columns: 72px minmax(0, 1fr);
        gap: 1.5rem;
        align-items: start;
    }

    body.page-app .form-card.builder-studio {
        display: grid;
        grid-template-columns: 72px minmax(0, 1fr);
        gap: 1.5rem 2rem;
        padding: 1.5rem 1.75rem 1.75rem;
    }

    body.page-app .builder-studio-rail {
        display: flex;
        flex-direction: column;
        gap: 0.35rem;
        padding-top: 0.15rem;
    }

    body.page-app .builder-rail-btn {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.35rem;
        width: 100%;
        min-height: 4.5rem;
        padding: 0.55rem 0.35rem;
        border: 1px solid transparent;
        border-radius: 12px;
        background: transparent;
        color: var(--muted);
        cursor: pointer;
        transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    }

    body.page-app .builder-rail-btn:hover {
        background: #f8fafc;
        color: var(--text);
    }

    body.page-app .builder-rail-btn.is-active {
        background: #eef2ff;
        border-color: #c7d2fe;
        color: var(--primary);
    }

    body.page-app .builder-rail-icon {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    body.page-app .builder-rail-label {
        font-size: 0.68rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        line-height: 1.2;
        text-align: center;
    }

    body.page-app .builder-studio-body {
        min-width: 0;
    }

    body.page-app .builder-studio-actions {
        display: flex;
        gap: 0.65rem;
        flex-wrap: wrap;
        margin-top: 1.25rem;
        padding-top: 1.25rem;
        border-top: 1px solid var(--shell-border);
    }

    body.page-app .qr-builder-edit .qr-edit-fields {
        border: none;
        padding: 0;
        margin: 0;
        min-width: 0;
    }

    body.page-admin .admin-nav a {
        display: flex;
        align-items: center;
        gap: 0.55rem;
    }

    body.page-admin .admin-nav-icon {
        display: inline-flex;
        width: 1.1rem;
        height: 1.1rem;
        flex-shrink: 0;
        color: #94a3b8;
    }

    body.page-admin .admin-nav a.is-active .admin-nav-icon,
    body.page-admin .admin-nav a:hover .admin-nav-icon {
        color: inherit;
    }
}