/**
 * DeutschGuide — Responsive Overrides
 * Grid, layout modifications for mobile and tablet views.
 */

@media (max-width: 1180px) {
    .menu-toggle {
        display: inline-flex;
        flex: 0 0 auto;
        font-size: var(--text-2xl);
        color: var(--text-secondary);
    }

    .navbar-menu {
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        bottom: auto;
        height: calc(100vh - var(--navbar-height));
        height: calc(100dvh - var(--navbar-height));
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        gap: var(--space-4);
        padding: var(--space-8) var(--space-4);
        overflow-y: auto;
        border-top: 1px solid var(--border-color);
        border-right: 0;
        border-left: 0;
        border-radius: 0;
        background: var(--bg-surface);
        box-shadow: var(--shadow-xl);
        transform: translateY(-110%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--transition-normal), opacity var(--transition-normal);
    }

    .navbar-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .navbar-menu > li {
        width: min(100%, 680px);
    }

    .navbar-menu > li > .nav-link {
        width: 100%;
    }

    .navbar-actions {
        margin-left: auto;
    }

    .nav-dropdown {
        width: min(100%, 680px);
        text-align: center;
    }

    .nav-dropdown-panel {
        position: static;
        width: 100%;
        max-height: 58vh;
        overflow-y: auto;
        display: none;
        margin-top: var(--space-3);
        text-align: left;
        transform: none;
    }

    .nav-dropdown-panel.active {
        display: block;
        transform: none;
    }

    .nav-dropdown:hover .nav-dropdown-panel:not(.active) {
        display: none;
        opacity: 0;
        visibility: hidden;
    }

    .nav-guide-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .nav-tools-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 1024px) {
    /* ─── Tablet Layout Changes ───────────────────────────────────────────── */
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    
    .sidebar-layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        margin-top: var(--space-6);
    }

    .tax-guide-layout {
        grid-template-columns: 1fr;
    }

    .tax-guide-download {
        position: static;
    }

    .constitution-layout {
        grid-template-columns: 1fr;
    }

    .constitution-download {
        position: static;
    }
}

@media (max-width: 1100px) {
    .portal-hero-content {
        grid-template-columns: 1fr;
    }

    .portal-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    /* ─── Mobile Layout Changes ───────────────────────────────────────────── */
    html {
        font-size: 15px; /* Slightly scale down typography */
    }
    
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .hero-stats {
        gap: var(--space-4);
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero {
        padding-top: var(--space-12);
        padding-bottom: var(--space-12);
    }

    .portal-hero {
        padding-top: var(--space-8);
        padding-bottom: var(--space-7);
    }

    .portal-hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }

    .portal-hero .hero-title {
        font-size: var(--text-3xl);
    }

    .portal-hero .hero-subtitle {
        margin-bottom: var(--space-4);
        font-size: var(--text-sm);
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .portal-hero .hero-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-2);
    }

    .portal-hero .hero-actions .btn {
        width: auto;
        min-width: 0;
        min-height: 48px;
        padding-inline: 0.65rem;
        white-space: normal;
        font-size: var(--text-xs);
        line-height: 1.25;
    }

    .hero-trust-row {
        justify-content: flex-start;
    }

    .portal-hero .hero-trust-row {
        gap: var(--space-2);
        margin-top: var(--space-4);
    }

    .portal-hero .hero-trust-pill {
        padding: 0.4rem 0.65rem;
    }

    .quick-start-panel {
        padding: var(--space-4);
    }

    .quick-start-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-2);
    }

    .quick-start-item {
        grid-template-columns: 32px minmax(0, 1fr);
        min-height: 58px;
        padding: 0.65rem;
        gap: var(--space-2);
    }

    .quick-start-icon {
        width: 32px;
        height: 32px;
    }

    .quick-start-item em {
        display: none;
    }

    .portal-card-grid {
        grid-template-columns: 1fr;
    }

    .portal-action-card {
        min-height: 0;
    }

    .resource-band-inner,
    .resource-card-grid,
    .guide-explainer-grid {
        grid-template-columns: 1fr;
    }

    .resource-band-inner {
        padding: var(--space-4);
    }

    .guide-list-head,
    .guide-card-meta {
        align-items: flex-start;
        flex-direction: column;
    }

    .guide-card-meta .btn {
        width: 100%;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    /* Navbar Hamburger Menu */
    .menu-toggle {
        display: inline-flex;
        font-size: var(--text-2xl);
        color: var(--text-secondary);
    }
    
    .navbar-menu {
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        bottom: auto;
        height: calc(100vh - var(--navbar-height));
        height: calc(100dvh - var(--navbar-height));
        background: var(--bg-surface);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: var(--space-8) var(--space-4);
        gap: var(--space-4);
        overflow-y: auto;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--transition-normal), opacity var(--transition-normal);
        border-top: 1px solid var(--border-color);
    }

    .navbar-actions {
        gap: var(--space-2);
    }

    .navbar-logo {
        min-width: auto;
    }

    .navbar-logo-mark {
        width: 168px;
    }

    .language-selector-btn {
        width: 64px;
        min-width: 64px;
        max-width: 64px;
        padding-left: var(--space-2);
        padding-right: var(--space-2);
        overflow: hidden;
    }

    .language-selector-btn span {
        display: none;
    }
    
    .navbar-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-dropdown {
        width: min(100%, 340px);
        text-align: center;
    }

    .navbar-menu > li {
        width: min(100%, 340px);
    }

    .nav-dropdown-panel {
        position: static;
        width: 100%;
        max-height: 52vh;
        overflow-y: auto;
        transform: none;
        margin-top: var(--space-3);
        display: none;
        text-align: left;
    }

    .nav-dropdown-panel.active {
        display: block;
        transform: none;
    }

    .nav-dropdown:hover .nav-dropdown-panel:not(.active) {
        display: none;
        opacity: 0;
        visibility: hidden;
    }

    .nav-guide-grid,
    .nav-featured-guides {
        grid-template-columns: 1fr;
    }

    .tax-guide-hero,
    .tax-guide-tools {
        flex-direction: column;
    }

    .tax-guide-hero {
        padding: var(--space-5);
    }

    .tax-guide-count {
        grid-auto-flow: column;
        gap: var(--space-2);
        justify-content: start;
        align-items: baseline;
        border-left: 0;
        border-top: 1px solid var(--border-color);
        padding-top: var(--space-3);
        text-align: left;
    }

    .tax-guide-count strong { font-size: 1.5rem; }
    .tax-guide-tool-actions, .tax-guide-tool-actions .btn { width: 100%; }
    .tax-guide-tool-actions .btn { flex: 1; padding-inline: var(--space-2); }
    .tax-guide-section summary { grid-template-columns: 34px minmax(0, 1fr) 18px; gap: var(--space-2); padding-inline: var(--space-3); }
    .tax-guide-section-body { padding: 0 var(--space-3) var(--space-4); }
    .tax-guide-resource-grid { grid-template-columns: 1fr; }
    .tax-guide-download-panel { padding: var(--space-5); }

    .constitution-hero,
    .constitution-meta,
    .constitution-controls,
    .constitution-link-grid {
        grid-template-columns: 1fr;
    }

    .constitution-hero {
        padding: var(--space-5);
    }

    .constitution-stats {
        width: 104px;
        height: 104px;
        justify-self: start;
    }

    .constitution-article summary {
        grid-template-columns: 1fr auto;
    }

    .constitution-article-number {
        justify-content: flex-start;
        width: max-content;
    }

    .constitution-article-title {
        grid-column: 1 / -1;
    }

    .nav-tools-grid {
        grid-template-columns: 1fr;
    }

    .nav-dropdown-head {
        flex-direction: column;
        gap: var(--space-1);
    }
    
    /* Interactive Map Scrollable container */
    .map-container {
        overflow: hidden;
        padding: var(--space-4);
    }
    
    .map-container svg {
        min-width: 0;
        width: 100%;
    }
}

@media (max-width: 420px) {
    .navbar-container {
        width: calc(100% - 24px);
        gap: var(--space-2);
    }

    .navbar-logo-mark {
        width: 148px;
    }
}

@media (max-width: 1180px) {
    .binder-profile-band { grid-template-columns: 1fr; }
    .binder-profile-list { grid-template-columns: repeat(4, minmax(100px, 1fr)); }
    .binder-layout { grid-template-columns: 190px minmax(0, 1fr); }
    .binder-summary { position: static; grid-column: 1 / -1; display: grid; grid-template-columns: minmax(180px, .7fr) 1fr; gap: var(--space-4); }
    .binder-summary-head, .binder-progress-track, .binder-summary > p, .binder-metric-grid { grid-column: 1; }
    .binder-next { grid-column: 2; grid-row: 1 / span 4; margin-top: 0; padding: 0 0 0 var(--space-4); border-top: 0; border-left: 1px solid var(--border-color); }
}

@media (max-width: 820px) {
    .binder-hero-inner { grid-template-columns: 1fr; align-items: start; padding-top: var(--space-7); padding-bottom: var(--space-7); }
    .binder-hero h1 { font-size: var(--text-3xl); }
    .binder-print { width: 100%; }
    .binder-profile-list { display: flex; overflow-x: auto; padding-bottom: var(--space-2); scroll-snap-type: x proximity; }
    .binder-profile-btn { min-width: 112px; scroll-snap-align: start; }
    .binder-toolbar { grid-template-columns: 1fr; }
    .binder-result-count { justify-self: start; }
    .binder-layout { grid-template-columns: 1fr; }
    .binder-category-nav { position: static; display: flex; overflow-x: auto; padding: var(--space-2); scroll-snap-type: x proximity; }
    .binder-category-nav button { flex: 0 0 auto; min-width: 150px; scroll-snap-align: start; }
    .binder-category-nav button.active { box-shadow: inset 0 -3px 0 var(--primary); }
    .binder-summary { grid-column: auto; grid-template-columns: 1fr; }
    .binder-summary-head, .binder-progress-track, .binder-summary > p, .binder-metric-grid, .binder-next { grid-column: 1; }
    .binder-next { grid-row: auto; padding: var(--space-4) 0 0; border-top: 1px solid var(--border-color); border-left: 0; }
    .binder-detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
    .binder-shell { padding-top: var(--space-4); }
    .binder-profile-band, .binder-summary { padding: var(--space-4); }
    .binder-document > summary { grid-template-columns: 28px minmax(0, 1fr) 18px; gap: var(--space-2); padding: var(--space-3); }
    .binder-priority, .binder-status { grid-row: 2; }
    .binder-priority { grid-column: 2; justify-self: start; }
    .binder-status { grid-column: 2; justify-self: end; }
    .binder-chevron { grid-column: 3; grid-row: 1 / span 2; }
    .binder-doc-title small { white-space: normal; }
    .binder-doc-detail { padding: 0 var(--space-3) var(--space-4); }
    .binder-status-control { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .binder-metric-grid { grid-template-columns: 1fr 1fr; }
}