/**
 * Track — мобильное приложение (≤768px). Десктоп не затрагивается.
 */
@media (max-width: 768px) {
    body.track-page.track-mobile-app {
        padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
    }

    body.track-page.track-mobile-app .track-workspace-rail {
        display: none !important;
    }

    body.track-page.track-mobile-app .track-m-header-legacy {
        display: none !important;
    }

    body.track-page.track-mobile-app .track-section-toggle {
        display: none;
    }

    body.track-page.track-mobile-app .track-section {
        border: none;
        background: transparent;
        padding: 0;
        margin: 0 0 12px;
    }

    body.track-page.track-mobile-app .track-section.is-collapsed .track-section-body {
        display: block !important;
    }

    body.track-page.track-mobile-app .track-section.track-m-tab-hidden {
        display: none !important;
    }

    /* ── Hero ── */
    .track-m-hero {
        background: linear-gradient(165deg, rgba(30, 41, 59, 0.95) 0%, rgba(15, 23, 42, 0.98) 100%);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 20px;
        padding: 14px 14px 16px;
        margin-bottom: 12px;
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    }

    .track-m-hero-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
        margin-bottom: 14px;
    }

    .track-m-hero-order-id {
        font-size: 0.78rem;
        font-weight: 700;
        opacity: 0.85;
        letter-spacing: 0.02em;
        text-align: center;
        flex: 1;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .track-m-back,
    .track-m-more {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.12);
        background: rgba(255, 255, 255, 0.06);
        color: inherit;
        font-size: 1.1rem;
        cursor: pointer;
        flex-shrink: 0;
    }

    .track-m-device-row {
        display: flex;
        gap: 14px;
        align-items: flex-start;
        margin-bottom: 14px;
    }

    .track-m-device-img {
        width: 72px;
        height: 72px;
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.06);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 2rem;
        flex-shrink: 0;
    }

    .track-m-device-model {
        font-size: 1.15rem;
        font-weight: 800;
        line-height: 1.2;
        letter-spacing: -0.02em;
    }

    .track-m-device-problem {
        margin-top: 4px;
        font-size: 0.82rem;
        opacity: 0.72;
        line-height: 1.35;
    }

    .track-m-device-meta {
        margin-top: 8px;
        font-size: 0.68rem;
        padding: 4px 8px;
        border-radius: 999px;
        background: rgba(0, 0, 0, 0.35);
        display: inline-block;
        opacity: 0.8;
    }

    .track-m-client-row {
        display: grid;
        grid-template-columns: auto 1fr;
        gap: 10px 12px;
        align-items: start;
        padding: 12px;
        border-radius: 14px;
        background: rgba(0, 0, 0, 0.22);
        margin-bottom: 12px;
    }

    .track-m-client-info {
        min-width: 0;
    }

    .track-m-client-badges {
        grid-column: 1 / -1;
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        align-items: center;
    }

    .track-m-client-badges .badge {
        font-size: 0.58rem;
        line-height: 1.2;
        white-space: nowrap;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .track-m-portal-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        width: 100%;
        min-height: 48px;
        margin-bottom: 10px;
        padding: 12px 14px;
        border-radius: 14px;
        border: 1px solid rgba(96, 165, 250, 0.45);
        background: linear-gradient(135deg, rgba(37, 99, 235, 0.35), rgba(59, 130, 246, 0.2));
        color: #dbeafe;
        font-size: 0.82rem;
        font-weight: 700;
        cursor: pointer;
        text-decoration: none;
        box-sizing: border-box;
        -webkit-tap-highlight-color: transparent;
    }

    a.track-m-portal-btn:visited {
        color: #dbeafe;
    }

    .track-m-portal-btn:disabled {
        opacity: 0.55;
    }

    .track-m-portal-btn-icon {
        font-size: 1.1rem;
        line-height: 1;
    }

    .track-m-client-avatar {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 0.85rem;
        color: #fff;
        background: #6366f1;
    }

    .track-avatar-h0 { background: #6366f1; }
    .track-avatar-h1 { background: #8b5cf6; }
    .track-avatar-h2 { background: #ec4899; }
    .track-avatar-h3 { background: #f59e0b; }
    .track-avatar-h4 { background: #10b981; }
    .track-avatar-h5 { background: #06b6d4; }
    .track-avatar-h6 { background: #3b82f6; }
    .track-avatar-h7 { background: #64748b; }

    .track-m-client-name {
        font-size: 0.92rem;
        font-weight: 700;
    }

    .track-m-client-phone {
        font-size: 0.76rem;
        opacity: 0.65;
        margin-top: 2px;
    }

    .track-m-quick {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }

    .track-m-quick-btn {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        min-height: 64px;
        padding: 8px 4px;
        border-radius: 14px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        background: rgba(255, 255, 255, 0.05);
        color: inherit;
        text-decoration: none;
        font-size: 0.62rem;
        cursor: pointer;
    }

    .track-m-quick-btn span:first-child {
        font-size: 1.2rem;
    }

    .track-m-quick-btn.is-disabled {
        opacity: 0.35;
        pointer-events: none;
    }

    /* ── Stepper ── */
    .track-m-stepper {
        margin-bottom: 14px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 4px;
    }

    .track-m-stepper::-webkit-scrollbar { display: none; }

    .track-m-stepper-track {
        display: flex;
        gap: 0;
        min-width: max-content;
        padding: 4px 2px;
    }

    .track-m-step {
        flex: 0 0 auto;
        width: 72px;
        text-align: center;
        position: relative;
    }

    .track-m-step:not(:last-child)::after {
        content: '';
        position: absolute;
        top: 14px;
        left: calc(50% + 14px);
        width: calc(100% - 28px);
        height: 2px;
        background: rgba(255, 255, 255, 0.12);
    }

    .track-m-step.is-done:not(:last-child)::after,
    .track-m-step.is-current:not(:last-child)::after {
        background: rgba(59, 130, 246, 0.55);
    }

    .track-m-step-dot {
        width: 28px;
        height: 28px;
        margin: 0 auto 6px;
        border-radius: 50%;
        border: 2px solid rgba(255, 255, 255, 0.2);
        background: rgba(0, 0, 0, 0.35);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.68rem;
        font-weight: 700;
        position: relative;
        z-index: 1;
    }

    .track-m-step.is-done .track-m-step-dot {
        background: rgba(59, 130, 246, 0.25);
        border-color: rgba(96, 165, 250, 0.6);
        color: #93c5fd;
    }

    .track-m-step.is-current .track-m-step-dot {
        background: #2563eb;
        border-color: #60a5fa;
        color: #fff;
        box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.25);
    }

    .track-m-step-label {
        font-size: 0.58rem;
        opacity: 0.65;
        line-height: 1.2;
    }

    .track-m-step.is-current .track-m-step-label {
        opacity: 1;
        font-weight: 650;
        color: #93c5fd;
    }

    .track-m-step--receipt-shortcut {
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }

    .track-m-step--receipt-shortcut:active {
        opacity: 0.82;
        transform: scale(0.98);
    }

    .track-m-step--receipt-shortcut .track-m-step-dot {
        box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.35);
    }

    /* ── Section bodies as cards ── */
    body.track-page.track-mobile-app .track-section-body {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 18px;
        padding: 14px;
    }

    /* ── Parts: table → cards ── */
    body.track-page.track-mobile-app .order-lines-table thead {
        display: none;
    }

    body.track-page.track-mobile-app .order-lines-table,
    body.track-page.track-mobile-app .order-lines-table tbody {
        display: block;
        width: 100%;
    }

    body.track-page.track-mobile-app .order-lines-table tr {
        display: block;
        background: rgba(0, 0, 0, 0.28);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 14px;
        padding: 12px;
        margin-bottom: 10px;
    }

    body.track-page.track-mobile-app .order-lines-table td {
        display: block;
        border: none;
        padding: 0 0 10px;
        width: 100% !important;
    }

    body.track-page.track-mobile-app .order-lines-table td:last-child {
        padding-bottom: 0;
        text-align: right;
    }

    body.track-page.track-mobile-app .order-lines-table td::before {
        content: attr(data-label);
        display: block;
        font-size: 0.65rem;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        opacity: 0.55;
        margin-bottom: 4px;
    }

    body.track-page.track-mobile-app .order-lines-table td:nth-child(1)::before { content: 'Название'; }
    body.track-page.track-mobile-app .order-lines-table td:nth-child(2)::before { content: 'Кол-во'; }
    body.track-page.track-mobile-app .order-lines-table td:nth-child(3)::before { content: 'Закуп €'; }
    body.track-page.track-mobile-app .order-lines-table td:nth-child(4)::before { content: 'Продажа €'; }
    body.track-page.track-mobile-app .order-lines-table td:nth-child(5)::before { content: 'SKU / склад'; }
    body.track-page.track-mobile-app .order-lines-table td:nth-child(6)::before { content: 'Со склада'; }
    body.track-page.track-mobile-app .order-lines-table td:nth-child(7)::before { content: 'Сразу'; }
    body.track-page.track-mobile-app .order-lines-table td:nth-child(8)::before { content: ''; display: none; }

    body.track-page.track-mobile-app .order-lines-table .track-order-line-del {
        min-height: 44px;
        min-width: 44px;
        border-radius: 10px;
    }

    body.track-page.track-mobile-app .order-lines-table input {
        min-height: 44px;
        font-size: 16px !important;
    }

    body.track-page.track-mobile-app .order-lines-table .ol-qty {
        max-width: none;
    }

    body.track-page.track-mobile-app .order-lines-actions {
        flex-direction: column;
    }

    body.track-page.track-mobile-app .order-lines-actions button {
        width: 100%;
        min-height: 48px;
    }

    body.track-page.track-mobile-app .ol-sku-cell {
        min-width: 0;
    }

    /* ── Documents ── */
    body.track-page.track-mobile-app .track-doc-row {
        display: grid;
        grid-template-columns: 28px minmax(0, 1fr);
        grid-template-areas:
            "icon main"
            "actions actions";
        align-items: start;
        gap: 8px 10px;
        border-radius: 14px;
        padding: 12px;
        margin-bottom: 8px;
        background: rgba(0, 0, 0, 0.22);
    }

    body.track-page.track-mobile-app .track-doc-row-icon {
        grid-area: icon;
    }

    body.track-page.track-mobile-app .track-doc-row-main {
        grid-area: main;
        min-width: 0;
    }

    body.track-page.track-mobile-app .track-doc-row-actions {
        grid-area: actions;
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px;
        width: 100%;
    }

    body.track-page.track-mobile-app .track-doc-row-actions a,
    body.track-page.track-mobile-app .track-doc-row-actions button {
        min-height: 44px;
        justify-content: center;
        width: 100%;
        font-size: 0.72rem;
        padding: 8px 4px;
    }

    /* ── History ── */
    .track-m-history-list {
        display: flex;
        flex-direction: column;
        gap: 0;
    }

    .track-m-history-item {
        display: grid;
        grid-template-columns: 28px 1fr;
        gap: 12px;
        padding: 10px 0;
        position: relative;
    }

    .track-m-history-item:not(:last-child)::before {
        content: '';
        position: absolute;
        left: 13px;
        top: 32px;
        bottom: -2px;
        width: 2px;
        background: rgba(255, 255, 255, 0.1);
    }

    .track-m-history-dot {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(59, 130, 246, 0.2);
        border: 1px solid rgba(96, 165, 250, 0.4);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.75rem;
    }

    .track-m-history-title {
        font-size: 0.85rem;
        font-weight: 650;
    }

    .track-m-history-meta {
        font-size: 0.72rem;
        opacity: 0.6;
        margin-top: 2px;
    }

    body.track-page.track-mobile-app .track-section[data-section="pricing"] {
        display: none !important;
    }

    body.track-page.track-mobile-app .track-m-cost-card.track-m-tab-hidden,
    body.track-page.track-mobile-app .track-m-hero.track-m-tab-hidden,
    body.track-page.track-mobile-app .track-m-stepper.track-m-tab-hidden {
        display: none !important;
    }

    /* ── Work stack ── */
    .track-m-work-stack {
        display: flex;
        flex-direction: column;
        gap: 0;
    }

    /* ── Compact cost card ── */
    .track-m-cost-card {
        background: rgba(18, 16, 28, 0.95);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 18px;
        padding: 14px;
        margin-bottom: 12px;
    }

    .track-m-cost-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 10px;
    }

    .track-m-cost-title {
        font-size: 0.92rem;
        font-weight: 800;
        color: #e9d5ff;
    }

    body.track-page.track-mobile-app .track-m-cost-card .track-work-wrap {
        margin: 0 0 10px;
        padding: 0;
        border: none;
        background: transparent;
    }

    body.track-page.track-mobile-app .track-m-cost-card .track-work-head {
        display: none;
    }

    body.track-page.track-mobile-app .track-m-cost-card .track-work-row {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 10px;
        align-items: center;
    }

    body.track-page.track-mobile-app .track-m-cost-card .track-work-row::before {
        content: 'Работа';
        font-size: 0.82rem;
        opacity: 0.72;
    }

    body.track-page.track-mobile-app .track-m-cost-card .track-work-input {
        max-width: none;
        min-height: 44px;
        font-size: 16px;
        font-weight: 700;
        border-radius: 12px;
        border: 1px solid rgba(59, 130, 246, 0.45);
        background: rgba(59, 130, 246, 0.1);
        text-align: right;
        padding: 10px 12px;
    }

    body.track-page.track-mobile-app .track-m-cost-card .track-pricing-summary {
        gap: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding-top: 6px;
    }

    body.track-page.track-mobile-app .track-m-cost-card .track-pricing-row:has([data-pricing-field="labour"]) {
        display: none !important;
    }

    body.track-page.track-mobile-app .track-m-cost-card .track-pricing-row {
        display: flex;
        justify-content: space-between;
        padding: 8px 0;
        font-size: 0.84rem;
    }

    body.track-page.track-mobile-app .track-m-cost-card .track-pricing-row.is-total {
        font-size: 1.05rem;
        font-weight: 800;
        color: #93c5fd;
        border-top: 1px solid rgba(59, 130, 246, 0.25);
        margin-top: 4px;
        padding-top: 10px;
    }

    body.track-page.track-mobile-app .track-m-cost-card .track-pricing-row.is-total .track-pricing-val {
        color: #93c5fd;
    }

    /* ── Parts toolbar ── */
    .track-m-parts-toolbar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        margin-bottom: 12px;
    }

    .track-m-parts-btn {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        min-height: 56px;
        border-radius: 14px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        background: rgba(255, 255, 255, 0.05);
        color: inherit;
        font-size: 0.72rem;
        font-weight: 650;
        cursor: pointer;
    }

    .track-m-parts-btn span:first-child {
        font-size: 1.15rem;
    }

    .track-m-parts-from-stock {
        border-color: rgba(59, 130, 246, 0.35);
        background: rgba(59, 130, 246, 0.12);
    }

    body.track-page.track-mobile-app .order-lines-box > .title {
        font-size: 0.88rem;
        font-weight: 700;
        margin-bottom: 8px;
    }

    body.track-page.track-mobile-app .order-lines-actions {
        position: sticky;
        bottom: calc(72px + env(safe-area-inset-bottom, 0px));
        background: rgba(11, 10, 20, 0.92);
        padding: 10px 0 4px;
        margin-top: 8px;
        z-index: 50;
    }

    body.track-page.track-mobile-app .order-lines-actions .track-order-lines-save {
        min-height: 48px;
        border-radius: 14px;
        font-weight: 700;
    }

    body.track-page.track-mobile-app .order-lines-actions .track-order-line-add {
        display: none;
    }

    /* ── Stock bottom sheet ── */
    body.track-page.track-mobile-app .track-m-stock-sheet .track-stock-picker-dialog {
        min-height: 72vh;
    }

    .track-m-stock-filters {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        padding: 0 16px 10px;
        scrollbar-width: none;
    }

    .track-m-stock-filters::-webkit-scrollbar { display: none; }

    .track-m-stock-filter {
        flex: 0 0 auto;
        padding: 7px 12px;
        border-radius: 999px;
        border: 1px solid rgba(255, 255, 255, 0.12);
        background: rgba(255, 255, 255, 0.05);
        color: inherit;
        font-size: 0.75rem;
        font-weight: 650;
        cursor: pointer;
    }

    .track-m-stock-filter.is-active {
        background: rgba(59, 130, 246, 0.22);
        border-color: rgba(96, 165, 250, 0.5);
        color: #bfdbfe;
    }

    body.track-page.track-mobile-app .track-stock-picker-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        text-align: left;
    }

    body.track-page.track-mobile-app .track-stock-picker-item::after {
        content: '+';
        font-size: 1.25rem;
        font-weight: 700;
        color: #60a5fa;
        flex-shrink: 0;
    }

    body.track-page.track-mobile-app .track-field-cell--status-parts {
        opacity: 0.85;
    }

    /* ── Pricing (legacy section hidden) ── */
    body.track-page.track-mobile-app .track-pricing-summary {
        gap: 0;
    }

    body.track-page.track-mobile-app .track-pricing-row {
        padding: 10px 0;
        font-size: 0.88rem;
    }

    /* ── Bottom nav ── */
    .track-m-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 900;
        display: flex;
        justify-content: space-around;
        gap: 2px;
        padding: 8px 6px calc(8px + env(safe-area-inset-bottom, 0px));
        background: rgba(15, 23, 42, 0.96);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.45);
    }

    .track-m-nav[hidden] {
        display: none !important;
    }

    .track-m-nav-btn {
        flex: 1 1 0;
        min-width: 0;
        max-width: 80px;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 3px;
        padding: 6px 4px;
        border: none;
        border-radius: 12px;
        background: transparent;
        color: rgba(255, 255, 255, 0.55);
        font-size: 0.58rem;
        font-weight: 600;
        cursor: pointer;
        transition: background 0.15s, color 0.15s;
    }

    .track-m-nav-btn span:first-child {
        font-size: 1.15rem;
        line-height: 1;
    }

    .track-m-nav-btn.is-active {
        background: rgba(59, 130, 246, 0.18);
        color: #93c5fd;
    }

    /* ── Stock picker ── */
    body.track-page.track-mobile-app .track-stock-picker-dialog {
        width: 100%;
        max-width: none;
        max-height: 92vh;
        border-radius: 20px 20px 0 0;
        margin-top: auto;
    }

    body.track-page.track-mobile-app .track-stock-picker-backdrop {
        align-items: flex-end;
        padding: 0;
    }

    body.track-page.track-mobile-app .track-stock-picker-list button {
        min-height: 56px;
        padding: 12px 14px;
        border-radius: 12px;
        margin-bottom: 6px;
    }

    body.track-page.track-mobile-app .track-workspace-main {
        padding-bottom: 8px;
    }

    body.track-page.track-mobile-app .track-other-orders {
        margin-top: 12px;
    }

    body.track-page.track-mobile-app .track-m-edit-order {
        display: block;
        width: 100%;
        margin-top: 14px;
        min-height: 50px;
        border-radius: 14px;
        font-size: 0.95rem;
        font-weight: 650;
    }

    body.track-page.track-mobile-app .track-info-grid {
        gap: 12px;
    }

    body.track-page.track-mobile-app .track-field-cell .track-select,
    body.track-page.track-mobile-app .track-field-cell .track-expected-date {
        max-width: none;
        width: 100%;
        min-height: 44px;
        font-size: 16px;
    }

    body.track-page.track-mobile-app .track-comment-grid textarea {
        min-height: 88px;
        font-size: 16px;
    }
}

@media (min-width: 769px) {
    .track-m-nav,
    .track-m-hero,
    .track-m-stepper,
    .track-m-cost-card,
    .track-m-work-stack,
    .track-m-parts-toolbar {
        display: none !important;
    }

    .track-m-edit-order {
        display: none !important;
    }

    body.track-page .track-section[data-section="history"] {
        display: none !important;
    }
}