/* ETCS POS — aligned with ETCS Admin (preset-1 / Inter / #4680ff) */

:root {
    --pos-bg: #f8f9fa;
    --pos-surface: #ffffff;
    --pos-ink: #1d2630;
    --pos-muted: #5b6b79;
    --pos-label: #3e4853;
    --pos-border: #e9ecef;
    --pos-border-input: #e8edf3;
    --pos-primary: #4680ff;
    --pos-primary-dark: #3a6fe0;
    --pos-primary-soft: #e9f0ff;
    --pos-accent: #4680ff;
    --pos-accent-dark: #3a6fe0;
    --pos-accent-soft: #e9f0ff;
    --pos-success: #2ca87f;
    --pos-success-soft: #e6f5ef;
    --pos-danger: #dc2626;
    --pos-danger-soft: #fdecec;
    --pos-pay: #4680ff;
    --pos-pay-dark: #3a6fe0;
    --pos-card: #4680ff;
    --pos-discount: #6c757d;
    --pos-shadow: 0 2px 8px rgba(29, 38, 48, 0.04);
    --pos-shadow-lg: 0 8px 24px rgba(27, 46, 94, 0.08);
    --pos-radius: 10px;
    --pos-radius-lg: 12px;
    --pos-touch: 42px;
    --pos-btn-height: 36px;
    --pos-input-compact: 32px;
    --pos-ticket-width: 380px;
    --pos-sidebar-width: 168px;
    --font: "Inter", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html {
    height: 100%;
    overflow: hidden;
}
body.pos-body {
    margin: 0;
    height: 100%;
    overflow: hidden;
    font-family: var(--font);
    background: var(--pos-bg);
    color: var(--pos-ink);
    -webkit-font-smoothing: antialiased;
}

/* ── App shell ─────────────────────────────────────────────── */

.pos-app {
    height: 100vh;
    height: 100dvh;
    min-height: 0;
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--pos-ticket-width);
}

.pos-main {
    display: flex;
    flex-direction: column;
    min-height: 0;
    min-width: 0;
    overflow: hidden;
}

/* ── Page header (admin dashboard style) ───────────────────── */

.pos-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1rem 1.25rem;
    background: var(--pos-surface);
    border-bottom: 1px solid var(--pos-border);
}

.pos-page-header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.pos-logo {
    display: block;
    max-height: 48px;
    width: auto;
    object-fit: contain;
}

.pos-page-title {
    margin: 0 0 0.25rem;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--pos-ink);
    line-height: 1.2;
}

.pos-page-subtitle {
    margin: 0;
    font-size: 0.875rem;
    color: var(--pos-muted);
}

.text-muted {
    color: var(--pos-muted) !important;
}

.pos-setup {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pos-setup-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.pos-setup-field > span {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--pos-label);
}

.pos-setup-field select,
.pos-setup-field input {
    height: 38px;
    min-width: 160px;
    border: 1px solid var(--pos-border-input);
    border-radius: var(--pos-radius);
    padding: 0 0.75rem;
    background: #fff;
    color: var(--pos-ink);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
}

.pos-setup-field--compact input { width: 130px; min-width: 0; }

.pos-setup-field select:focus,
.pos-setup-field input:focus {
    outline: none;
    border-color: var(--pos-primary);
    box-shadow: 0 0 0 3px rgba(70, 128, 255, 0.15);
}

.pos-status-chip {
    display: inline-flex;
    align-items: center;
    height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    background: var(--pos-success-soft);
    color: #047857;
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
}

.pos-status-chip::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--pos-success);
    margin-right: 8px;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
}

.pos-status-chip.is-offline {
    background: var(--pos-danger-soft);
    color: #b91c1c;
}

.pos-status-chip.is-offline::before {
    background: var(--pos-danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.pos-alert {
    margin: 12px 22px 0;
    padding: 12px 16px;
    border-radius: var(--pos-radius);
    background: #fef3c7;
    color: #92400e;
    font-size: 0.88rem;
    font-weight: 600;
    border: 1px solid #fde68a;
}

/* ── Toolbar / search ──────────────────────────────────────── */

.pos-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 22px 12px;
    background: var(--pos-surface);
    border-bottom: 1px solid var(--pos-border);
}

.pos-search {
    position: relative;
    flex: 1;
    max-width: 480px;
}

.pos-search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    fill: var(--pos-muted);
    pointer-events: none;
}

.pos-search input {
    width: 100%;
    height: var(--pos-touch);
    border: 1px solid var(--pos-border);
    border-radius: 999px;
    padding: 0 18px 0 46px;
    background: var(--pos-bg);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.pos-search input:focus {
    outline: none;
    border-color: var(--pos-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(70, 128, 255, 0.15);
}

.pos-toolbar-hint {
    margin: 0;
    font-size: 0.8rem;
    color: var(--pos-muted);
    font-weight: 500;
}

/* ── Category pills ────────────────────────────────────────── */

.pos-categories {
    padding: 12px 22px;
    background: var(--pos-surface);
    border-bottom: 1px solid var(--pos-border);
    overflow-x: auto;
    scrollbar-width: none;
}

.pos-categories::-webkit-scrollbar { display: none; }

.pos-pills {
    display: flex;
    gap: 10px;
    min-width: min-content;
}

.pos-pill {
    flex-shrink: 0;
    height: 42px;
    padding: 0 20px;
    border: 1px solid var(--pos-border);
    border-radius: 999px;
    background: var(--pos-bg);
    color: var(--pos-muted);
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.1s;
}

.pos-pill:hover {
    border-color: #cbd5e1;
    color: var(--pos-ink);
}

.pos-pill.is-active {
    background: var(--pos-primary);
    border-color: var(--pos-primary);
    color: #fff;
    box-shadow: var(--pos-shadow);
}

.pos-pill:active { transform: scale(0.97); }

/* ── Product grid ──────────────────────────────────────────── */

.pos-products {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 20px 22px 28px;
}

.pos-placeholder {
    margin: 32px 0;
    text-align: center;
    color: var(--pos-muted);
    font-size: 0.92rem;
    font-weight: 500;
}

.pos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
    gap: 16px;
    min-width: 0;
}

.pos-tile {
    display: flex;
    flex-direction: column;
    padding: 0;
    border: 1px solid var(--pos-border);
    border-radius: var(--pos-radius-lg);
    background: var(--pos-surface);
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    overflow: hidden;
    min-width: 0;
    width: 100%;
    box-shadow: var(--pos-shadow);
    transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s;
}

.pos-tile:hover {
    transform: translateY(-2px);
    box-shadow: var(--pos-shadow-lg);
    border-color: var(--pos-primary);
}

.pos-tile:active {
    transform: scale(0.98);
}

.pos-tile-media {
    aspect-ratio: 1;
    background: #f1f5f9;
    overflow: hidden;
}

.pos-tile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.pos-tile-img.is-fallback {
    object-fit: contain;
    padding: 30px;
    background: linear-gradient(145deg, #f8fafc 0%, #e2e8f0 100%);
}

.pos-tile-img--empty {
    background: linear-gradient(145deg, #f8fafc 0%, #e2e8f0 100%);
}

.pos-tile-info {
    padding: 10px 12px 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.pos-tile-name {
    font-size: 0.86rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--pos-ink);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

.pos-tile-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: auto;
    min-width: 0;
}

.pos-tile-price {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--pos-primary);
    min-width: 0;
    flex: 1;
}

.pos-tile-add {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--pos-primary);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1;
    box-shadow: 0 2px 8px rgba(70, 128, 255, 0.35);
    pointer-events: none;
}

.pos-tile:hover .pos-tile-add {
    background: var(--pos-primary-dark);
}

.pos-tile.is-hidden { display: none; }

/* ── Order ticket (right panel) ────────────────────────────── */

.pos-ticket {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-height: 100dvh;
    min-height: 0;
    min-width: 0;
    overflow: hidden;
    background: var(--pos-surface);
    border-left: 1px solid var(--pos-border);
    box-shadow: -4px 0 16px rgba(29, 38, 48, 0.04);
}

.pos-ticket-main {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pos-ticket-footer {
    flex-shrink: 0;
    background: var(--pos-surface);
    border-top: 1px solid var(--pos-border);
    box-shadow: 0 -4px 12px rgba(29, 38, 48, 0.04);
}

.pos-ticket-footer .pos-ticket-summary {
    border-top: 0;
}

.pos-ticket-header {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px 10px;
    border-bottom: 1px solid var(--pos-border);
}

.pos-ticket-header h2 {
    margin: 0;
    font-size: 1rem;
    font-weight: 800;
}

.pos-ticket-header p {
    margin: 4px 0 0;
    font-size: 0.8rem;
    color: var(--pos-muted);
    font-weight: 500;
}

.pos-ticket-badge {
    min-width: 30px;
    height: 30px;
    padding: 0 8px;
    border-radius: 999px;
    background: var(--pos-primary-soft);
    color: var(--pos-primary);
    font-size: 0.9rem;
    font-weight: 800;
    display: grid;
    place-items: center;
}

.pos-ticket-body {
    flex: 1 1 auto;
    min-height: 48px;
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
    padding: 4px 10px;
    -webkit-overflow-scrolling: touch;
}

.pos-ticket-empty {
    padding: 24px 12px;
    text-align: center;
    color: var(--pos-muted);
}

.pos-ticket-empty-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 14px;
    border-radius: 16px;
    background: var(--pos-bg);
    display: grid;
    place-items: center;
    font-size: 1.6rem;
}

.pos-ticket-empty p {
    margin: 0 0 6px;
    font-weight: 700;
    color: var(--pos-ink);
    font-size: 0.95rem;
}

.pos-ticket-empty span {
    font-size: 0.82rem;
}

/* Cart lines */

.pos-line {
    padding: 12px 10px;
    border-radius: var(--pos-radius);
    border-bottom: 1px solid var(--pos-border);
    transition: background 0.12s;
}

.pos-line:last-child { border-bottom: 0; }

.pos-line.is-selected {
    background: var(--pos-primary-soft);
    border-color: transparent;
}

.pos-line-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-width: 0;
}

.pos-line-select {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    text-align: left;
    cursor: pointer;
    padding: 2px 0;
    font-family: inherit;
}

.pos-line-select strong {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pos-line-select span {
    font-size: 0.78rem;
    color: var(--pos-muted);
    font-weight: 500;
}

.pos-line-total {
    text-align: right;
    font-weight: 800;
    font-size: 0.88rem;
    margin-top: 6px;
    color: var(--pos-ink);
}

.pos-qty-control {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px;
    border-radius: 999px;
    background: var(--pos-bg);
    flex-shrink: 0;
}

.pos-qty-btn {
    width: 20px;
    height: 20px;
    border: 0;
    border-radius: 50%;
    background: #fff;
    color: var(--pos-ink);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: background 0.12s;
}

.pos-qty-btn:hover { background: #f1f5f9; }

.pos-qty-btn--accent {
    background: var(--pos-accent);
    color: #fff;
}

.pos-qty-btn--accent:hover { background: var(--pos-accent-dark); }

.pos-qty-value {
    min-width: 22px;
    text-align: center;
    font-weight: 800;
    font-size: 0.9rem;
}

/* ── Summary / totals ─────────────────────────────────────── */

.pos-ticket-summary {
    flex-shrink: 0;
    min-width: 0;
    margin-top: auto;
    padding: 8px 12px;
    border-top: 1px solid var(--pos-border);
    background: #f3f5f7;
}

.pos-summary-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2px 0;
    font-size: 0.8rem;
}

.pos-summary-line span {
    color: var(--pos-muted);
    font-weight: 600;
}

.pos-summary-line strong {
    font-weight: 800;
    color: var(--pos-ink);
}

.pos-summary-line--muted strong { color: var(--pos-muted); }

.pos-summary-line--total {
    margin-top: 8px;
    padding-top: 10px;
    border-top: 2px dashed var(--pos-border);
}

.pos-summary-line--total span {
    color: var(--pos-ink);
    font-size: 1rem;
    font-weight: 800;
}

.pos-summary-line--total strong,
.pos-summary-line--payable strong {
    font-size: 1.05rem;
    color: var(--pos-primary);
}

.pos-summary-line--payable {
    margin-top: 4px;
    padding-top: 6px;
    border-top: 1px dashed var(--pos-border);
}

.pos-summary-inputs {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 6px;
    margin: 6px 0 4px;
    width: 100%;
}

.pos-summary-inputs label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.pos-summary-inputs label span {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--pos-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pos-summary-inputs input {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    height: var(--pos-input-compact);
    border: 1px solid var(--pos-border);
    border-radius: 8px;
    padding: 0 8px;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    background: #fff;
    box-sizing: border-box;
}

.pos-summary-inputs input:focus {
    outline: none;
    border-color: var(--pos-primary);
    box-shadow: 0 0 0 3px rgba(70, 128, 255, 0.15);
}

/* ── Action buttons ──────────────────────────────────────── */

.pos-ticket-actions {
    flex-shrink: 0;
    min-width: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    padding: 12px 16px;
}

.pos-btn {
    min-height: var(--pos-btn-height);
    border: 0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.74rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.1s, filter 0.12s;
    padding: 0 6px;
    line-height: 1.2;
}

.pos-btn:active { transform: scale(0.97); }

.pos-btn--ghost {
    background: #fff;
    color: var(--pos-ink);
    border: 1px solid var(--pos-border);
}

.pos-btn--ghost:hover {
    background: var(--pos-bg);
    border-color: var(--pos-primary);
    color: var(--pos-primary);
}

.pos-btn--discount {
    grid-column: span 2;
    min-height: 32px;
    background: #fff;
    color: var(--pos-primary);
    border: 1px solid var(--pos-primary);
    font-size: 0.72rem;
}

.pos-btn--discount.is-applied {
    background: var(--pos-primary);
    color: #fff;
}

.pos-btn--card {
    background: var(--pos-primary);
    color: #fff;
}

.pos-btn--card:hover {
    background: var(--pos-primary-dark);
}

/* ── Sticky pay bar ────────────────────────────────────────── */

.pos-pay-footer {
    flex-shrink: 0;
    min-width: 0;
    padding: 14px 16px 18px;
    border-top: 1px solid var(--pos-border);
    background: var(--pos-surface);
}

.pos-btn--pay {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 22px;
    border-radius: var(--pos-radius-lg);
    background: var(--pos-primary);
    color: #fff;
    font-size: 1rem;
    box-shadow: 0 4px 14px rgba(70, 128, 255, 0.35);
}

.pos-btn--pay span {
    font-weight: 700;
    opacity: 0.95;
}

.pos-btn--pay strong {
    font-size: 1.35rem;
    font-weight: 800;
}

.pos-btn--pay:hover {
    filter: brightness(1.05);
}

/* ── Responsive ────────────────────────────────────────────── */

@media (max-width: 1400px) {
    :root {
        --pos-ticket-width: 350px;
        --pos-sidebar-width: 156px;
    }
}

@media (max-width: 1280px) {
    :root {
        --pos-ticket-width: 320px;
        --pos-sidebar-width: 140px;
        --pos-touch: 40px;
        --pos-btn-height: 34px;
    }

    .pos-page-title { font-size: 1.15rem; }
    .pos-logo { max-height: 40px; }
    .pos-page-header { padding: 0.75rem 1rem; }
    .pos-setup-field select,
    .pos-setup-field input { min-width: 120px; font-size: 0.8125rem; }
    .pos-grid { grid-template-columns: repeat(auto-fill, minmax(136px, 1fr)); gap: 12px; }
    .pos-products { padding: 14px 16px 20px; }
    .pos-toolbar { padding: 12px 16px 10px; }
}

@media (max-width: 1100px) {
    :root { --pos-ticket-width: 300px; }
}

@media (max-width: 1024px) {
    :root {
        --pos-ticket-width: 288px;
        --pos-sidebar-width: 128px;
    }

    .pos-category-item {
        padding: 7px 8px;
        font-size: 0.72rem;
    }

    .pos-order-table-head,
    .pos-line-grid {
        grid-template-columns: 40px 1fr 76px;
        gap: 6px;
        padding-left: 10px;
        padding-right: 10px;
    }

    .pos-qty-btn {
        width: 20px;
        height: 20px;
        font-size: 0.85rem;
    }

    .pos-line { padding: 8px 6px; }
}

/* Tablet landscape: horizontal category chips, keep split layout */
@media (max-width: 960px) and (min-width: 769px) {
    .pos-catalog-layout {
        flex-direction: column;
    }

    .pos-category-sidebar {
        width: 100%;
        max-height: 88px;
        border-right: 0;
        border-bottom: 1px solid var(--pos-border);
    }

    .pos-category-sidebar-title {
        display: none;
    }

    .pos-category-nav {
        flex-direction: row;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding: 6px 8px;
        gap: 4px;
        scrollbar-width: none;
    }

    .pos-category-nav::-webkit-scrollbar { display: none; }

    .pos-category-item {
        flex-shrink: 0;
        border-left: 0;
        border-radius: 8px;
        padding: 8px 14px;
        white-space: nowrap;
    }
}

/* Tablet portrait / narrow: stack catalog above order panel */
@media (max-width: 768px) {
    :root {
        --pos-btn-height: 34px;
        --pos-input-compact: 30px;
    }

    .pos-app {
        grid-template-columns: 1fr;
        grid-template-rows: minmax(0, 1fr) minmax(360px, 48dvh);
        height: 100dvh;
        overflow: hidden;
    }

    body.pos-body,
    html {
        overflow: hidden;
        height: 100%;
    }

    .pos-main {
        min-height: 0;
    }

    .pos-page-header {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: flex-end;
        padding: 0.5rem 0.75rem;
        gap: 0.5rem;
    }

    .pos-page-header-left {
        flex: 1 1 auto;
        min-width: 0;
    }

    .pos-page-title {
        font-size: 1rem;
    }

    .pos-page-subtitle {
        display: none;
    }

    .pos-logo {
        max-height: 36px;
    }

    .pos-setup {
        flex: 1 1 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.4rem 0.5rem;
    }

    .pos-setup-field--compact {
        grid-column: span 1;
    }

    .pos-status-chip {
        grid-column: 1 / -1;
        justify-self: start;
        height: 32px;
        font-size: 0.72rem;
    }

    .pos-setup-field select,
    .pos-setup-field input {
        min-width: 0;
        width: 100%;
        height: 34px;
        font-size: 0.78rem;
    }

    .pos-catalog-layout {
        flex-direction: column;
    }

    .pos-category-sidebar {
        width: 100%;
        max-height: 80px;
        border-right: 0;
        border-bottom: 1px solid var(--pos-border);
    }

    .pos-category-sidebar-title {
        display: none;
    }

    .pos-category-nav {
        flex-direction: row;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding: 6px 8px;
        gap: 4px;
        scrollbar-width: none;
    }

    .pos-category-nav::-webkit-scrollbar { display: none; }

    .pos-category-item {
        flex-shrink: 0;
        border-left: 0;
        border-radius: 8px;
        padding: 7px 12px;
        font-size: 0.75rem;
        white-space: nowrap;
    }

    .pos-toolbar {
        padding: 8px 12px 6px;
    }

    .pos-search input {
        height: 38px;
        font-size: 0.88rem;
    }

    .pos-products {
        padding: 10px 12px 14px;
    }

    .pos-grid {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
        gap: 10px;
    }

    .pos-ticket {
        min-height: 0;
        max-height: none;
        border-left: 0;
        border-top: 1px solid var(--pos-border);
        box-shadow: 0 -4px 16px rgba(29, 38, 48, 0.06);
    }

    .pos-ticket-body {
        min-height: 72px;
    }

    .pos-ticket-summary {
        padding: 6px 10px;
    }

    .pos-summary-inputs {
        margin: 4px 0 2px;
    }

    .pos-cash-fields {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        padding: 4px 10px 6px;
    }

    .pos-ticket-actions--legacy {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 5px;
        padding: 6px 10px 10px;
    }

    .pos-btn--discount {
        grid-column: span 1;
    }

    .pos-btn--cash {
        grid-column: span 3;
        min-height: 40px;
    }

    .pos-btn {
        font-size: 0.68rem;
        padding: 0 4px;
    }
}

@media (max-width: 520px) {
    .pos-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .pos-ticket-actions { grid-template-columns: 1fr 1fr; }
    .pos-btn--discount { grid-column: span 2; }
    .pos-page-subtitle { display: none; }
}
/* ── School switch confirmation modal ──────────────────────── */
.pos-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: 20px;
}
.pos-modal[hidden] {
    display: none;
}
.pos-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(2px);
}
.pos-modal-card {
    position: relative;
    width: min(420px, 100%);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid var(--pos-border-input);
    background: var(--pos-surface);
    box-shadow: 0 12px 40px rgba(29, 38, 48, 0.08);
}
.pos-modal-title {
    margin: 0 0 12px;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--pos-ink);
}
.pos-modal-text {
    margin: 0 0 8px;
    font-size: 0.92rem;
    line-height: 1.5;
    color: var(--pos-muted);
}
.pos-modal-text strong {
    color: var(--pos-ink);
}
.pos-modal-hint {
    margin: 0 0 20px;
    font-size: 0.82rem;
    color: var(--pos-muted);
}
.pos-modal-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.pos-btn--confirm {
    background: var(--pos-primary);
    color: #fff;
    min-height: var(--pos-touch);
}
.pos-btn--confirm:hover {
    filter: brightness(1.05);
}

.pos-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
}

body.pos-is-busy .pos-tile,
body.pos-is-busy .pos-pill,
body.pos-is-busy .pos-category-item {
    pointer-events: none;
    opacity: 0.65;
}

.swal2-popup {
    font-family: var(--font);
    border-radius: var(--pos-radius-lg);
}

.swal2-confirm {
    background-color: var(--pos-primary) !important;
}

.swal2-cancel {
    background-color: #e2e8f0 !important;
    color: var(--pos-ink) !important;
}

/* ── Legacy POS layout (old WinForms parity) ───────────────── */

.pos-catalog-layout {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.pos-category-sidebar {
    width: var(--pos-sidebar-width);
    flex-shrink: 0;
    background: var(--pos-surface);
    border-right: 1px solid var(--pos-border);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0;
}

.pos-category-sidebar-title {
    margin: 0;
    padding: 10px 12px 8px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--pos-muted);
    border-bottom: 1px solid var(--pos-border);
    background: #fafbfc;
}

.pos-category-nav {
    display: flex;
    flex-direction: column;
    padding: 4px 0;
}

.pos-category-item {
    border: 0;
    background: transparent;
    text-align: left;
    padding: 8px 10px;
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--pos-muted);
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: background 0.12s, color 0.12s;
    word-break: break-word;
}

.pos-category-item:hover {
    background: var(--pos-bg);
    color: var(--pos-ink);
}

.pos-category-item.is-active {
    background: var(--pos-primary-soft);
    color: var(--pos-primary);
    border-left-color: var(--pos-primary);
}

.pos-catalog-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: var(--pos-bg);
}

.pos-order-table-head {
    display: grid;
    grid-template-columns: 44px 1fr 80px;
    gap: 6px;
    padding: 6px 12px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--pos-muted);
    border-bottom: 1px solid var(--pos-border);
    background: #f3f5f7;
}

.pos-line-grid {
    display: grid;
    grid-template-columns: 44px 1fr 80px;
    gap: 6px;
    align-items: center;
}

.pos-line-code {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--pos-muted);
}

.pos-cash-fields {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    padding: 6px 12px;
    border-top: 1px solid var(--pos-border);
    background: #fff;
}

.pos-cash-fields label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.pos-cash-fields label span {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--pos-muted);
}

.pos-cash-fields input {
    width: 100%;
    height: var(--pos-input-compact);
    border: 1px solid var(--pos-border-input);
    border-radius: 8px;
    padding: 0 8px;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    box-sizing: border-box;
}

.pos-cash-fields input:focus {
    outline: none;
    border-color: var(--pos-primary);
    box-shadow: 0 0 0 3px rgba(70, 128, 255, 0.15);
}

.pos-ticket-actions--legacy {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    padding: 8px 12px 12px;
}

.pos-btn--refresh {
    min-height: 38px;
    padding: 0 14px;
    background: #8b2942;
    color: #fff;
    border: 0;
    border-radius: var(--pos-radius);
    font-weight: 700;
    cursor: pointer;
}

.pos-btn--reset {
    background: #22c55e;
    color: #fff;
}

.pos-btn--cashless {
    background: #c4b5fd;
    color: #1d2630;
}

.pos-btn--undo,
.pos-btn--undo-cash {
    background: #6b7c3c;
    color: #fef08a;
}

.pos-btn--cash {
    grid-column: span 2;
    min-height: 42px;
    background: #8b2942;
    color: #fff;
    font-size: 0.88rem;
}

.pos-setup-field--vat input {
    width: 72px;
    min-width: 0;
}