html {
    color-scheme: light dark;
}

:root {
    color-scheme: light;
    --mobile-header: #f0f2f5;
    --mobile-body-start: #e8ecf1;
    --mobile-body-mid: #f0f2f5;
    --mobile-body-end: #e4e8ef;
}

[data-bs-theme="dark"] {
    color-scheme: dark;
    --mobile-header: #1a1d23;
    --mobile-body-start: #0f1219;
    --mobile-body-mid: #1a1d23;
    --mobile-body-end: #151b2d;
}

[data-bs-theme="dark"] .detail-label {
    color: var(--brand-gray-on-dark);
}

[data-bs-theme="dark"] .mobile-kb-content pre,
[data-bs-theme="dark"] .mobile-kb-content code {
    background: #21252b;
}

.mobile-header,
.mobile-kb-header {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.mobile-header.text-center {
    align-items: center;
}

.mobile-brand-logo {
    display: block;
    width: auto;
    height: 4rem;
    max-width: min(100%, 18rem);
    object-fit: contain;
}

.mobile-header-user,
.mobile-kb-header-user {
    min-width: 0;
}

.mobile-header-name {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mobile-header-toolbar,
.mobile-kb-header-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    width: 100%;
}

.onsite-header-btn {
    min-height: 2.85rem;
    padding: 0.5rem 0.65rem;
    border-radius: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.onsite-header-btn .bi {
    font-size: 1.05rem;
    margin-right: 0.3rem;
}

.onsite-header-btn .bi:only-child,
.onsite-header-btn-icon-only .bi {
    margin-right: 0;
}

.mobile-header-toolbar .onsite-header-btn,
.mobile-kb-header-toolbar .onsite-header-btn,
.mobile-kb-header-toolbar .btn.onsite-header-btn {
    flex: 1 1 0;
    min-width: 3rem;
}

.mobile-kb-back-btn {
    min-height: 2.5rem;
    padding: 0.35rem 0;
    font-size: 0.9375rem;
    font-weight: 600;
}

.mobile-kb-search-form {
    display: flex;
    align-items: stretch;
    gap: 0.5rem;
}

.mobile-kb-search-input {
    flex: 1 1 auto;
    min-width: 0;
    min-height: 2.85rem;
    padding: 0.5rem 0.85rem;
    font-size: 1rem;
    line-height: 1.25;
    border-radius: 0.75rem;
}

.mobile-kb-search-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(var(--bs-primary-rgb), 0.2);
}

.mobile-kb-search-btn {
    flex: 0 0 2.85rem;
    width: 2.85rem;
    min-width: 2.85rem;
    min-height: 2.85rem;
    padding: 0;
    border-radius: 0.75rem;
    font-size: 1.15rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.mobile-kb-search-btn .bi {
    margin: 0;
}

.mobile-kb-chip {
    min-height: 2.6rem;
    padding: 0.45rem 0.95rem;
    font-size: 0.9375rem;
}

.onsite-header-btn-icon-only .onsite-header-btn-label {
    display: none;
}

.mobile-header-toolbar .onsite-header-btn-label,
.mobile-kb-header-toolbar .onsite-header-btn-label {
    display: inline !important;
}

.mobile-touch-btn {
    min-height: 2.75rem;
    padding: 0.5rem 0.85rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.mobile-kb-content.kb-article-content {
    color: var(--bs-body-color);
    line-height: 1.65;
    font-size: 1rem;
}

.mobile-kb-content.kb-article-content s,
.mobile-kb-content.kb-article-content del,
.mobile-kb-content.kb-article-content strike {
    text-decoration: line-through;
}

.mobile-kb-content.kb-article-content h2 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--bs-border-color);
    scroll-margin-top: 5rem;
}

.mobile-kb-content.kb-article-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    scroll-margin-top: 5rem;
}

.mobile-kb-content.kb-article-content table {
    width: 100%;
    margin: 1rem 0;
    border-collapse: collapse;
}

.mobile-kb-content.kb-article-content th,
.mobile-kb-content.kb-article-content td {
    border: 1px solid var(--bs-border-color);
    padding: 0.5rem 0.75rem;
    vertical-align: top;
}

.mobile-kb-content.kb-article-content th {
    background: var(--bs-secondary-bg);
    font-weight: 600;
}

.mobile-kb-content.kb-article-content pre.kb-code {
    background: var(--bs-secondary-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 6px;
    padding: 0.75rem;
    margin: 1rem 0;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.5;
    white-space: pre;
}

.mobile-kb-content.kb-article-content .kb-code-block {
    position: relative;
    margin: 1rem 0;
}

.mobile-kb-content.kb-article-content .kb-code-block pre.kb-code {
    margin: 0;
    padding-top: 2.75rem;
}

.mobile-kb-content.kb-article-content .kb-code-copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    min-height: 2.25rem;
    border: 1px solid var(--bs-border-color);
    border-radius: 6px;
    background: var(--bs-body-bg);
    color: var(--bs-secondary-color);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
}

.mobile-kb-content.kb-article-content .kb-code-copy-btn:hover,
.mobile-kb-content.kb-article-content .kb-code-copy-btn:focus-visible {
    color: var(--bs-primary);
    border-color: var(--bs-primary);
    outline: none;
}

.mobile-kb-content.kb-article-content .kb-code-copy-btn.trexnet-copy-done {
    color: var(--bs-success);
    border-color: var(--bs-success);
}

.mobile-kb-content.kb-article-content pre.kb-code code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
    white-space: pre;
    background: none;
    color: inherit;
    padding: 0;
    display: block;
    tab-size: 4;
}

.mobile-kb-content .kb-summary {
    background: var(--brand-primary-muted);
    border-left: 4px solid var(--brand-primary);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    border-radius: 0 0.375rem 0.375rem 0;
}

.mobile-kb-content .kb-callout {
    padding: 0.875rem 1rem;
    margin: 1.25rem 0;
    border-radius: 0.375rem;
    border-left: 4px solid var(--brand-primary);
}

.mobile-kb-content .kb-callout-note {
    background: var(--brand-primary-muted);
}

.mobile-kb-content .kb-callout-important {
    background: rgba(216, 59, 1, 0.1);
    border-left-color: #d83b01;
}

.mobile-kb-content .kb-callout-warning {
    background: rgba(164, 38, 44, 0.1);
    border-left-color: #a4262c;
}

.mobile-kb-toc .list-group-item {
    font-size: 0.9375rem;
    min-height: 2.5rem;
    display: flex;
    align-items: center;
}

.kb-toc-level-3 {
    padding-left: 1.5rem !important;
    font-size: 0.85rem !important;
}

[data-bs-theme="dark"] .mobile-kb-content .kb-summary {
    background: rgba(var(--brand-primary-rgb), 0.18);
}

[data-bs-theme="dark"] .mobile-kb-content .kb-callout-note {
    background: rgba(var(--brand-primary-rgb), 0.15);
}

[data-bs-theme="dark"] .mobile-kb-content .kb-callout-important {
    background: rgba(216, 59, 1, 0.18);
}

[data-bs-theme="dark"] .mobile-kb-content .kb-callout-warning {
    background: rgba(164, 38, 44, 0.18);
}

body.mobile-app-body {
    background: linear-gradient(135deg, var(--mobile-body-start) 0%, var(--mobile-body-mid) 50%, var(--mobile-body-end) 100%);
    padding-bottom: env(safe-area-inset-bottom);
}

.mobile-shell,
.mobile-kb-shell {
    max-width: 480px;
    margin: 0 auto;
}

.mobile-header {
    background: var(--mobile-header);
    color: #000;
    padding: 0.75rem 1rem 0.85rem;
    padding-top: calc(0.75rem + env(safe-area-inset-top));
}

[data-bs-theme="dark"] .mobile-header {
    color: #e4e7eb;
}

.mobile-kb-header {
    background: var(--mobile-header);
    color: #000;
    padding: 1rem 1rem 0.85rem;
    padding-top: calc(1rem + env(safe-area-inset-top));
}

[data-bs-theme="dark"] .mobile-kb-header {
    color: #e4e7eb;
}

/* ============================================================
   Mobile top app bar (redesigned)
   ============================================================ */
.mobile-topbar {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    background: var(--mobile-header);
    color: #1a1d23;
    padding: calc(0.8rem + env(safe-area-inset-top)) 1rem 0.9rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

[data-bs-theme="dark"] .mobile-topbar {
    color: #e4e7eb;
    border-bottom-color: rgba(255, 255, 255, 0.07);
}

.mobile-topbar__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.mobile-topbar__identity {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
}

.mobile-topbar__avatar {
    flex: 0 0 auto;
    width: 2.6rem;
    height: 2.6rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bs-primary), var(--brand-primary-hover, #083f9c));
    color: #fff;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 3px 8px rgba(var(--brand-primary-rgb), 0.35);
}

.mobile-topbar__avatar--icon .bi {
    font-size: 1.2rem;
}

.mobile-topbar__who {
    display: flex;
    flex-direction: column;
    min-width: 0;
    line-height: 1.25;
}

.mobile-topbar__eyebrow {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    font-weight: 600;
    opacity: 0.55;
}

.mobile-topbar__name {
    font-size: 1.02rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mobile-topbar__sub {
    font-size: 0.8rem;
    opacity: 0.7;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mobile-topbar__utils {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex: 0 0 auto;
}

.mobile-back-link {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    color: var(--bs-primary);
    padding: 0.1rem 0.1rem;
}

.mobile-back-link:hover,
.mobile-back-link:focus {
    color: var(--bs-primary);
    text-decoration: underline;
}

/* Compact icon-only buttons for utility actions (theme, install, logout) */
.mobile-icon-btn {
    flex: 0 0 auto;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 0.85rem;
    background: rgba(255, 255, 255, 0.7);
    color: inherit;
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease, transform 0.06s ease;
    -webkit-tap-highlight-color: transparent;
}

.mobile-icon-btn:hover,
.mobile-icon-btn:focus-visible {
    background: #fff;
    color: var(--bs-primary);
    outline: none;
}

.mobile-icon-btn:active {
    transform: scale(0.93);
}

.mobile-icon-btn--danger:hover,
.mobile-icon-btn--danger:focus-visible {
    color: var(--bs-danger);
}

.mobile-icon-btn .bi {
    margin: 0;
}

.mobile-icon-btn .onsite-header-btn-label {
    display: none;
}

[data-bs-theme="dark"] .mobile-icon-btn {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-bs-theme="dark"] .mobile-icon-btn:hover,
[data-bs-theme="dark"] .mobile-icon-btn:focus-visible {
    background: rgba(255, 255, 255, 0.13);
}

/* Primary navigation row (My Day / Knowledge Base) */
.mobile-topbar__nav {
    display: flex;
    gap: 0.5rem;
}

.mobile-nav-btn {
    flex: 1 1 0;
    min-width: 0;
    min-height: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 0.85rem;
    border: 1px solid transparent;
    border-radius: 0.85rem;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.7);
    color: inherit;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.07);
    transition: background-color 0.15s ease, color 0.15s ease, transform 0.06s ease;
    -webkit-tap-highlight-color: transparent;
}

.mobile-nav-btn:hover,
.mobile-nav-btn:focus-visible {
    color: var(--bs-primary);
    outline: none;
}

.mobile-nav-btn:active {
    transform: scale(0.98);
}

.mobile-nav-btn .bi {
    flex: 0 0 auto;
    font-size: 1.1rem;
}

.mobile-nav-btn span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

[data-bs-theme="dark"] .mobile-nav-btn {
    background: rgba(255, 255, 255, 0.06);
}

.mobile-nav-btn.active,
.mobile-nav-btn.active:hover,
.mobile-nav-btn.active:focus-visible {
    background: var(--bs-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(var(--brand-primary-rgb), 0.4);
}

.login-card,
.mobile-kb-card {
    border: 0;
    border-radius: 1rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08), inset 0 0 0 1.5px var(--bs-primary);
}

[data-bs-theme="dark"] .login-card,
[data-bs-theme="dark"] .mobile-kb-card {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), inset 0 0 0 1.5px rgba(var(--brand-primary-rgb), 0.25);
}

.login-card .input-group-text {
    border-right: none;
}

.login-card .form-control {
    border-left: none;
}

.order-card {
    border: 0;
    border-radius: 1rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

[data-bs-theme="dark"] .order-card {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.order-card.active {
    outline: 3px solid var(--bs-primary);
}

.mobile-job-top-actions {
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--app-border);
}

.action-btn {
    min-height: 3.25rem;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: 0.85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.action-btn .bi {
    margin-right: 0.35rem;
}

.detail-label {
    color: var(--brand-gray);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.status-pill {
    font-size: 0.8rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
}

.mobile-kb-article-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.mobile-kb-article-link:hover,
.mobile-kb-article-link:focus {
    color: inherit;
}

.mobile-kb-category-scroll {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.mobile-kb-category-scroll::-webkit-scrollbar {
    display: none;
}

.mobile-kb-meta {
    font-size: 0.8rem;
    color: var(--brand-gray);
}

[data-bs-theme="dark"] .mobile-kb-meta {
    color: var(--brand-gray-on-dark);
}

.onsite-section-btn {
    min-height: 2.85rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 0.85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.onsite-section-btn .bi {
    margin-right: 0.35rem;
}

.mobile-shell .order-card .card {
    border-radius: 0.85rem;
    box-shadow: none;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

[data-bs-theme="dark"] .mobile-shell .order-card .card {
    border-color: var(--app-border, #2d3138);
}

.mobile-shell .order-card .card-header {
    font-weight: 600;
}

.mobile-shell .onsite-part-row {
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 0.75rem;
    padding: 0.75rem;
    background: #fff;
}

[data-bs-theme="dark"] .mobile-shell .onsite-part-row {
    background: #21252b;
    border-color: #2d3138;
}

.mobile-shell .btn-link {
    font-weight: 600;
    text-decoration: none;
}

.mobile-shell .btn-link .bi {
    margin-right: 0.35rem;
}

.onsite-offline-banner,
.onsite-offline-toast {
    border-radius: 0.85rem;
}

.onsite-job-stepper {
    background: #f8f9fa;
    border-radius: 0.85rem;
    padding: 0.85rem 0.65rem 0.75rem;
}

[data-bs-theme="dark"] .onsite-job-stepper {
    background: #21252b;
}

.onsite-job-stepper__list {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.15rem;
}

.onsite-job-stepper__step {
    position: relative;
    flex: 1 1 0;
    min-width: 0;
    text-align: center;
    padding-top: 0.15rem;
}

.onsite-job-stepper__track {
    position: absolute;
    top: 1.05rem;
    left: 50%;
    width: 100%;
    height: 3px;
    background: #dee2e6;
    z-index: 0;
}

[data-bs-theme="dark"] .onsite-job-stepper__track {
    background: #383c44;
}

.onsite-job-stepper__step.is-last .onsite-job-stepper__track {
    display: none;
}

.onsite-job-stepper__step.is-complete .onsite-job-stepper__track {
    background: var(--bs-primary);
}

.onsite-job-stepper__dot {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: #fff;
    border: 2px solid #dee2e6;
    color: var(--brand-gray);
    font-size: 0.95rem;
}

[data-bs-theme="dark"] .onsite-job-stepper__dot {
    background: #21252b;
    border-color: #383c44;
}

.onsite-job-stepper__step.is-complete .onsite-job-stepper__dot {
    border-color: var(--bs-primary);
    background: var(--bs-primary);
    color: #fff;
}

.onsite-job-stepper__step.is-current .onsite-job-stepper__dot {
    border-color: var(--bs-primary);
    background: var(--bs-primary);
    color: #fff;
    box-shadow: 0 0 0 3px rgba(var(--bs-primary-rgb), 0.2);
}

.onsite-job-stepper__step.is-current.is-backoff .onsite-job-stepper__dot {
    border-color: var(--bs-warning);
    background: var(--bs-warning);
    color: #212529;
    box-shadow: 0 0 0 3px rgba(var(--bs-warning-rgb), 0.25);
}

.onsite-job-stepper__label {
    display: block;
    margin-top: 0.4rem;
    font-size: 0.68rem;
    line-height: 1.2;
    font-weight: 600;
    color: var(--brand-gray);
    word-break: break-word;
}

.onsite-job-stepper__step.is-current .onsite-job-stepper__label {
    color: var(--bs-primary);
}

.onsite-job-stepper__step.is-current.is-backoff .onsite-job-stepper__label {
    color: var(--bs-warning);
}

.onsite-job-stepper__step.is-complete .onsite-job-stepper__label {
    color: var(--bs-primary);
}

.onsite-job-stepper__note .bi {
    margin-right: 0.25rem;
}

.onsite-quick-part-btn {
    min-height: 2.65rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.35rem 0.85rem;
    text-align: left;
    white-space: normal;
    line-height: 1.25;
}

.onsite-quick-part-name {
    display: inline;
    margin-right: 0.35rem;
}

.onsite-quick-part-meta {
    font-weight: 500;
    opacity: 0.85;
}

.customer-signoff-canvas-wrap {
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 0.75rem;
    background: #fff;
    overflow: hidden;
}

[data-bs-theme="dark"] .customer-signoff-canvas-wrap {
    background: #21252b;
    border-color: #2d3138;
}

.customer-signoff-canvas {
    display: block;
    width: 100%;
    touch-action: none;
    cursor: crosshair;
}

.customer-signoff-image {
    max-height: 160px;
}