/* EasyPrinter fnOS responsive hardening
   Loaded after style.css so these rules are the final layout contract. */
html { min-width: 0; overflow-x: hidden; }
body { min-width: 0; overflow-x: hidden; }
img, video, canvas, svg { max-width: 100%; }
iframe { max-width: 100%; }
.layout, .main-content, .content-area, .card, .stat-card, .printer-card,
.form-row, .stats-grid, .table-container, .device-item, .printer-info,
.supply-printer-panel, .goods-card, .local-print-shell, .local-print-grid { min-width: 0; }

.table-container, .table-responsive {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
}
table { max-width: 100%; }
th, td { overflow-wrap: normal; }
code, pre, .device-uri, .printer-meta, .qr-url, .url-box, .goods-url,
.file-name, .field-hint, .network-print-info, .install-status {
    overflow-wrap: anywhere;
    word-break: break-word;
}
.form-input, .form-select, .form-textarea, input, select, textarea, button { min-width: 0; }
.form-textarea, textarea { resize: vertical; }
.card-header > *, .page-header-row > *, .printer-info > *, .device-info,
.goods-panel-head > *, .supply-printer-header > * { min-width: 0; }

/* Modal and QR safety at every viewport size. */
.modal-backdrop { padding: 16px; overflow-y: auto; }
.modal-card, .modal-content {
    max-width: calc(100vw - 24px);
    max-height: calc(100dvh - 24px);
    overflow: auto;
    overscroll-behavior: contain;
}
.qr-container img, .purchase-qr img { max-width: min(100%, 280px); height: auto; }
.login-container { padding: 20px; }
.login-box { max-width: min(400px, 100%); }

@media (max-width: 1024px) {
    .content-area { padding: 20px; }
    .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .form-row { grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); }
    .download-section, .supply-model-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
    .local-print-grid { grid-template-columns: 1fr; }
    .local-settings-card { position: static; }
}

@media (max-width: 768px) {
    .sidebar {
        width: min(86vw, 300px) !important;
        max-width: 300px;
        transform: translateX(-105%);
        box-shadow: 18px 0 42px rgba(15,23,42,.22);
    }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0 !important; width: 100%; max-width: 100%; }
    .menu-toggle {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        min-width: 40px;
        min-height: 40px;
        flex: 0 0 40px;
    }
    .topbar {
        height: auto;
        min-height: 56px;
        padding: 8px 12px;
        gap: 10px;
    }
    .topbar > div:first-child { min-width: 0; gap: 6px !important; }
    .topbar-title { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .topbar-right { gap: 8px; min-width: 0; }
    .content-area { padding: 14px 12px; }
    .page-header { margin-bottom: 14px; }
    .page-title { font-size: 20px; }
    .page-subtitle { font-size: 13px; }
    .page-header-row, .card-header, .printer-card, .device-item,
    .supply-printer-header, .goods-panel-head {
        flex-direction: column;
        align-items: stretch;
    }
    .card-header { gap: 10px; }
    .card, .stat-card, .printer-card, .supply-printer-panel { padding: 15px; }
    .stats-grid { gap: 10px; margin-bottom: 14px; }
    .stat-card .stat-value { font-size: 24px; }
    .form-row, .compact-form-row { grid-template-columns: 1fr !important; gap: 10px; }
    .form-input, .form-select, .form-textarea, input, select, textarea {
        font-size: 16px; /* Prevent iOS zoom while editing */
    }
    .btn { min-height: 40px; }
    .btn-sm { min-height: 36px; }
    .actions-bar, .printer-actions, .supply-header-actions, .local-top-actions {
        width: 100%;
        gap: 8px;
        flex-wrap: wrap;
    }
    .printer-actions .btn, .actions-bar .btn { flex: 1 1 auto; }
    .printer-info { width: 100%; align-items: flex-start; }
    .printer-icon { flex: 0 0 48px; }
    .device-item > .btn, .device-item > button { width: 100%; }
    .upload-zone, .windows-upload-zone { padding: 26px 14px; min-height: 210px; }
    .upload-zone .upload-icon { font-size: 40px; }
    .file-info, .selected-file { align-items: flex-start; }
    .qr-container { padding: 20px 10px; }
    .empty-state { min-height: 130px; padding: 24px 12px; align-items: flex-start; }
    .supply-usage-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .supply-model-grid, .goods-grid, .download-section { grid-template-columns: 1fr !important; }
    .goods-card { grid-template-columns: 104px minmax(0, 1fr); gap: 11px; }
    .goods-image { width: 104px; height: 104px; }
    .goods-actions { grid-template-columns: 1fr; }
    .modal-backdrop { padding: 10px; align-items: flex-start; }
    .modal-card, .modal-content { width: 100% !important; margin: auto 0; padding: 16px; }
    .modal-actions { grid-template-columns: 1fr; }
    .modal-actions .btn, .modal-actions button { width: 100%; }
    .login-container { align-items: flex-start; padding: max(20px, env(safe-area-inset-top)) 14px 20px; }
    .login-box { padding: 26px 20px; margin-top: 5vh; }
    .local-print-topbar { height: auto; min-height: 58px; padding: 8px 12px; gap: 8px; }
    .local-brand { min-width: 0; }
    .local-brand > div:last-child { min-width: 0; }
    .local-print-shell { width: calc(100% - 20px); padding-top: 16px; }
    .local-print-heading { align-items: flex-start; margin-bottom: 14px; }
    .local-print-heading h1 { font-size: 21px; }
    .local-settings-card { position: static; }
    .preview-stage { min-height: 220px; max-height: 62vh; overflow: auto; padding: 8px; }
    .preview-stage iframe { min-height: 56vh; }
    .runtime-log { min-height: 300px; max-height: 60vh; }
    .log-toolbar { align-items: stretch; }
    .log-toolbar .log-search, .log-toolbar .form-select, .log-toolbar .form-input { width: 100%; min-width: 0; }
}

@media (max-width: 520px) {
    .topbar-right .status-badge { display: none; }
    .topbar-right > span:not(.status-badge) { display: none; }
    .content-area { padding: 12px 10px; }
    .card, .stat-card, .printer-card, .supply-printer-panel { padding: 13px; border-radius: 10px; }
    .stats-grid { grid-template-columns: 1fr; }
    .supply-usage-grid { grid-template-columns: 1fr 1fr; gap: 7px; }
    .mini-stat { padding: 9px; }
    .page-title { font-size: 19px; }
    .btn-lg { width: 100%; }
    .actions-bar .btn, .printer-actions .btn { flex-basis: 100%; width: 100%; }
    .goods-card { grid-template-columns: 88px minmax(0, 1fr); padding: 10px; }
    .goods-image { width: 88px; height: 88px; }
    .supply-model-metrics { grid-template-columns: 1fr; }
    .selected-file { padding: 10px; }
    .local-print-heading { flex-direction: column; }
    .local-top-actions .pill, .local-qr-mini { display: none; }
    .preview-card-head { flex-wrap: wrap; height: auto; min-height: 42px; padding: 7px 9px; }
    .preview-pager { width: 100%; order: 3; margin-left: 0; }
    .setting-row { align-items: flex-start; }
    .stepper { flex: 0 0 auto; }
    .login-box { padding: 22px 16px; }
    .login-logo { margin-bottom: 22px; }
}

@media (max-width: 360px) {
    .supply-usage-grid { grid-template-columns: 1fr; }
    .goods-card { grid-template-columns: 1fr; }
    .goods-image { width: 100%; height: 150px; }
    .topbar { padding-inline: 8px; }
}