/* Responsive Design */

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 98;
}

.sidebar-overlay.visible {
    display: block;
}

/* Mobile nav hidden by default — shown only at ≤480px */
.mobile-nav {
    display: none;
}

/* Hamburger Button Animation */
#menu-toggle.active svg line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
    transform-origin: center;
}

#menu-toggle.active svg line:nth-child(2) {
    opacity: 0;
}

#menu-toggle.active svg line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    transform-origin: center;
}

/* Tablet and below (< 1024px) */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
    }

    .header-container {
        padding: 0 var(--spacing-md);
    }

    .main-content {
        padding: var(--spacing-lg);
    }

    .search-input {
        width: 200px;
    }

    .stats-cards {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .card-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

/* Mobile and below (< 768px) */
@media (max-width: 768px) {
    :root {
        --header-height: 56px;
        --spacing-xl: 1.5rem;
    }

    /* Header adjustments */
    .header-container {
        padding: 0 var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .logo h1 {
        display: none;
    }

    .main-nav {
        display: none;
    }

    .btn-api-link {
        display: none !important;
    }

    .user-name {
        max-width: 100px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    #user-area {
        flex-shrink: 0;
        overflow: hidden;
    }

    .header-container {
        overflow: hidden;
    }

    .search-container {
        flex: 1;
        min-width: 0;
    }

    .search-input {
        width: 100%;
    }

    /* Sidebar mobile behavior */
    .sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        width: 280px;
        height: 100vh;
        z-index: 99;
        background: var(--color-bg-card);
        transition: left 0.3s ease;
        overflow-y: auto;
        padding-top: 60px;
        box-shadow: var(--shadow-lg);
    }

    .sidebar.open {
        left: 0;
    }

    /* Nascondi su mobile le azioni da "Upload" a "Richieste spedizione" */
    .sidebar [data-item-id="upload"],
    .sidebar [data-item-id="shopify"],
    .sidebar [data-item-id="fic-import"],
    .sidebar [data-item-id="fic-ddt"],
    .sidebar [data-item-id="profile"],
    .sidebar [data-item-id="email-inbox"],
    .sidebar [data-item-id="email-orders"],
    .sidebar [data-item-id="shipment-requests"],
    .sidebar [data-item-id="upload"] + .sidebar-divider,
    .sidebar [data-item-id="profile"] + .sidebar-divider {
        display: none !important;
    }

    /* Main content full width */
    .main-content {
        margin-left: 0;
        width: 100%;
        overflow-x: hidden;
        max-width: 100vw;
    }

    .selection-action-bar {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 10px !important;
        padding: 10px !important;
    }

    .selection-action-bar > span {
        text-align: center;
        font-size: 13px;
    }

    .selection-action-bar > div {
        flex-direction: column !important;
        gap: 8px !important;
        width: 100%;
    }

    .selection-action-bar > div .btn {
        width: 100%;
        justify-content: center;
        font-size: 13px;
        padding: 10px 12px;
    }

    /* Home page mobile */
    .home-page {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    /* Help buttons stack vertically */
    .help-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .help-btn {
        width: 100%;
        text-align: center;
    }

    /* Section cards padding */
    .section-card,
    .help-card {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    /* Buttons full width */
    .whatsapp-btn,
    .section-btn {
        width: 100%;
        justify-content: center;
    }

    /* KPI bar wrap */
    .kpi-bar {
        font-size: var(--font-size-sm);
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .kpi-separator {
        display: none;
    }

    .kpi-item {
        display: block;
        width: 45%;
        text-align: center;
        margin-bottom: var(--spacing-xs);
    }

    /* Calculator pages */
    .calculator-container {
        padding: var(--spacing-md);
    }

    .input-row {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .input-row input,
    .input-row select {
        width: 100%;
    }

    .result-box {
        padding: var(--spacing-md);
    }

    /* Hide hamburger menu — logo handles sidebar toggle on mobile */
    #menu-toggle {
        display: none;
    }

    #btn-reports {
        display: none;
    }

    /* Content adjustments */
    .main-content {
        padding: var(--spacing-md);
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .page-title {
        font-size: var(--font-size-2xl);
    }

    /* Stats cards stacked */
    .stats-cards {
        grid-template-columns: 1fr;
    }

    /* Card grid single column */
    .card-grid {
        grid-template-columns: 1fr;
    }

    /* Table responsive */
    .table-container {
        border-radius: var(--radius-md);
    }

    .table {
        font-size: var(--font-size-sm);
    }

    .table th,
    .table td {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    /* Hide table and show cards on mobile */
    .table-responsive {
        display: none;
    }

    /* Form adjustments */
    .form-row {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

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

    /* Modal adjustments */
    .modal-overlay {
        padding: 0;
        align-items: flex-end;
    }

    .modal {
        max-width: 100%;
        max-height: 90vh;
        max-height: 90dvh;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        padding-bottom: env(safe-area-inset-bottom);
    }

    /* Filter bar stacked */
    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-select {
        width: 100%;
    }

    /* Toast notifications */
    .toast-container {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        bottom: 80px;
    }

    .toast {
        min-width: 0;
        width: 100%;
    }

    /* Buttons */
    .btn-block-mobile {
        width: 100%;
    }

    /* Sidebar sections */
    .sidebar-section {
        padding: var(--spacing-md);
    }

    .quick-actions {
        gap: var(--spacing-xs);
    }

    .action-bar .hide-mobile {
        display: none !important;
    }

    .mobile-card-list {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .mobile-shipment-card {
        border: 1px solid var(--color-border);
        border-radius: 8px;
        background: var(--color-surface);
        overflow: hidden;
    }

    .mobile-status-dot {
        display: inline-block;
        width: 13px;
        height: 13px;
        border-radius: 50%;
        flex-shrink: 0;
        background: var(--color-status-pending);
        box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-status-pending) 20%, transparent);
    }

    .mobile-status-dot[data-status="pending"] {
        background: var(--color-status-pending);
        box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-status-pending) 20%, transparent);
    }

    .mobile-status-dot[data-status="delivered"] {
        background: #22C55E;
        box-shadow: 0 0 0 3px #22C55E33;
    }

    .mobile-status-dot[data-status="in_transit"],
    .mobile-status-dot[data-status="out-for-delivery"],
    .mobile-status-dot[data-status="picked-up"] {
        background: #F59E0B;
        box-shadow: 0 0 0 3px #F59E0B33;
    }

    .mobile-status-dot[data-status="failed-delivery"],
    .mobile-status-dot[data-status="cancelled"],
    .mobile-status-dot[data-status="returned"] {
        background: #EF4444;
        box-shadow: 0 0 0 3px #EF444433;
    }

    .mobile-card-header {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 12px;
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-card-header:active {
        background: var(--color-bg);
    }

    .mobile-card-checkbox {
        width: 20px;
        height: 20px;
        accent-color: var(--color-primary);
        cursor: pointer;
        flex-shrink: 0;
    }

    .mobile-card-summary {
        flex: 1;
        min-width: 0;
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .mobile-card-top-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
    }

    .mobile-card-order {
        font-weight: 600;
        font-size: 14px;
        color: var(--color-text);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .mobile-card-badges {
        display: flex;
        gap: 4px;
        align-items: center;
        flex-shrink: 0;
    }

    .mobile-card-bottom-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
        font-size: 12px;
        color: var(--color-text-secondary);
    }

    .mobile-card-carrier {
        font-weight: 500;
    }

    .mobile-card-dest {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        text-align: right;
    }

    .mobile-card-chevron {
        flex-shrink: 0;
        transition: transform 0.2s ease;
        color: var(--color-text-secondary);
    }

    .mobile-shipment-card.expanded .mobile-card-chevron {
        transform: rotate(180deg);
    }

    .mobile-card-details {
        display: none;
        border-top: 1px solid var(--color-border);
        padding: 12px;
    }

    .mobile-shipment-card.expanded .mobile-card-details {
        display: block;
    }

    .mobile-detail-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px 16px;
        margin-bottom: 12px;
    }

    .mobile-detail-item {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .mobile-detail-item.full-width {
        grid-column: 1 / -1;
    }

    .mobile-detail-label {
        font-size: 10px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: var(--color-text-secondary);
        font-weight: 600;
    }

    .mobile-detail-value {
        font-size: 13px;
        color: var(--color-text);
        word-break: break-word;
    }

    .mobile-card-actions {
        display: flex;
        gap: 8px;
        border-top: 1px solid var(--color-border);
        padding-top: 12px;
        flex-wrap: wrap;
    }

    .mobile-action-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 4px;
        padding: 8px 12px;
        border: 1px solid var(--color-border);
        border-radius: 6px;
        background: transparent;
        color: var(--color-text);
        font-size: 12px;
        cursor: pointer;
        flex: 1;
        min-width: 0;
        white-space: nowrap;
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-action-btn:active {
        background: var(--color-bg);
    }

    .mobile-action-btn svg {
        flex-shrink: 0;
    }
}

/* Phone-only layout (≤ 480px): footer nav nascosto + riquadri dashboard nascosti */
@media (max-width: 480px) {
    /* Footer di navigazione nascosto su telefono (navigazione via logo → sidebar) */
    .mobile-nav {
        display: none !important;
    }

    /* Riquadri Fatture in Cloud e PaccoFacile nascosti su telefono (restano su computer) */
    .fic-card,
    .paccofacile-card {
        display: none !important;
    }

    .main-content {
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom, 0px));
    }
}

/* Desktop only (> 768px) */
@media (min-width: 769px) {
    .mobile-nav {
        display: none;
    }

    .mobile-card-list {
        display: none;
    }

    #menu-toggle {
        display: none;
    }
    
    .sidebar-overlay {
        display: none !important;
    }
}

/* Extra small devices */
@media (max-width: 400px) {
    .section-card,
    .help-card {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .help-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    .whatsapp-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    h3 {
        font-size: var(--font-size-base);
    }
}

/* Print styles */
@media print {
    .sidebar,
    .app-header,
    .filter-bar,
    .btn,
    .action-btn,
    .mobile-nav {
        display: none !important;
    }

    .main-content {
        padding: 0;
    }

    .card,
    .table-container {
        border: 1px solid #000;
        box-shadow: none;
    }

    .page-header {
        margin-bottom: var(--spacing-lg);
    }
}

/* Landscape mobile adjustments */
@media (max-width: 896px) and (orientation: landscape) {
    .modal {
        max-height: 80vh;
    }

    .sidebar {
        max-width: 280px;
    }
}

/* High resolution displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo-icon,
    svg {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark mode support (future enhancement) */
@media (prefers-color-scheme: dark) {
    /* Placeholder for dark mode styles */
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .action-btn,
    .nav-link {
        min-height: 44px;
        min-width: 44px;
    }

    .table tbody tr:hover {
        background-color: transparent;
    }
}

/* New Shipment Page Responsive Styles */
.new-shipment-page {
    max-width: 100%;
}

.new-shipment-page .shipment-form-card {
    max-width: 1100px;
    margin: 0 auto;
}

.new-shipment-page .form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

@media (max-width: 768px) {
    .new-shipment-page .form-grid {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-md);
    }

    .new-shipment-page .shipment-form-card {
        padding: var(--spacing-md);
        margin: 0;
        border-radius: var(--radius-md);
    }

    .new-shipment-page .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .new-shipment-page .page-header .btn {
        align-self: flex-end;
    }

    .new-shipment-page .form-actions {
        flex-direction: column;
    }

    .new-shipment-page .form-actions .btn {
        width: 100%;
    }

    .new-shipment-page .delivery-type-selector {
        flex-direction: column;
    }

    .new-shipment-page .collo-row > div {
        flex-wrap: wrap;
    }

    .gw-carrier-grid {
        display: none !important;
    }

    .carrier-mobile-selector {
        display: block !important;
    }

    .dest-sidebar-panel,
    .sender-sidebar-panel {
        width: 100vw;
        height: 100dvh;
    }

    .dest-sidebar-footer {
        padding-bottom: calc(16px + env(safe-area-inset-bottom));
    }

    #gateway-service-group {
        grid-column: 1 / -1;
    }
}

/* ===== Assistente AI — Chat (mobile) ===== */
@media (max-width: 768px) {
    .home-agent-chat {
        margin-top: var(--spacing-lg);
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }

    .home-agent-chat .page-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }

    .home-agent-chat .page-header h2 {
        font-size: var(--font-size-lg);
    }

    .home-agent-chat .page-header .btn {
        flex-shrink: 0;
        font-size: var(--font-size-sm);
        padding: 8px 12px;
    }

    .agent-messages {
        height: 50vh;
        max-height: none;
        padding: var(--spacing-sm);
    }

    .agent-msg {
        max-width: 92%;
        font-size: var(--font-size-sm);
    }

    .agent-input-row {
        flex-direction: row;
        align-items: flex-end;
        gap: var(--spacing-sm);
    }

    .agent-input-row textarea {
        flex: 1;
        min-width: 0;
    }

    .agent-input-row .btn {
        justify-content: center;
    }

    .agent-plus-menu {
        min-width: 220px;
        padding: 8px;
        gap: 4px;
        box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
    }

    .agent-plus-item {
        min-height: 44px;
        padding: 11px 14px;
        gap: 12px;
    }
}

/* ===== Chat a tutta pagina nella home (mobile) ===== */
@media (max-width: 768px) {
    .home-page.home-page--agent {
        padding: 0;
        gap: var(--spacing-md);
    }

    .home-page.home-page--agent .home-agent-chat {
        margin-top: 0;
        height: calc(100vh - var(--header-height) - 2 * var(--spacing-md));
        height: calc(100dvh - var(--header-height) - 2 * var(--spacing-md));
    }
}

/* ===== Chat compatta con input sempre visibile (solo telefono) ===== */
@media (max-width: 480px) {
    /* Niente altezza forzata a tutto schermo: il blocco si adatta al contenuto,
       così l'input con "Invia" resta visibile senza scorrere e sparisce il
       grande spazio vuoto tra il saluto e il campo di scrittura. */
    .home-page.home-page--agent .home-agent-chat {
        height: auto;
        min-height: 0;
        padding: var(--spacing-sm);
    }

    /* Compatta intestazione e riga consumo per ridurre lo spazio verticale. */
    .home-page.home-page--agent .home-agent-chat .page-header {
        margin-bottom: var(--spacing-sm);
    }

    .home-page.home-page--agent .agent-usage {
        margin-bottom: var(--spacing-sm);
    }

    /* L'area messaggi cresce col contenuto e scorre internamente oltre il limite,
       invece di espandersi a tutta l'altezza dello schermo. */
    .home-page.home-page--agent .agent-messages {
        flex: 0 1 auto;
        max-height: 50vh;
        max-height: 50dvh;
        margin-bottom: var(--spacing-sm);
    }

    .agent-plus-btn {
        width: 44px;
        font-size: 22px;
    }

    .agent-plus-menu {
        left: 0;
        min-width: 0;
        width: max-content;
        max-width: calc(100vw - 2 * var(--spacing-sm));
        padding: 8px;
        gap: 4px;
    }

    .agent-plus-item {
        min-height: 48px;
        padding: 12px 16px;
        gap: 12px;
        font-size: var(--font-size-base);
    }
}

/* AI FAB: hidden on mobile (sidebar already provides access) */
@media (max-width: 768px) {
    .ai-fab {
        display: none !important;
    }
}