:root {
    --ink: #18202a;
    --muted: #667085;
    --line: #d9dee7;
    --surface: #ffffff;
    --sidebar: #13251f;
    --accent: #0f766e;
    --accent-2: #b42318;
    --bg: #f4f6f8;
}

body { background: var(--bg); color: var(--ink); font-size: 14px; }
.app-shell { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; transition: grid-template-columns .2s ease; }
.sidebar { min-width: 0; overflow-x: hidden; background: var(--sidebar); color: #fff; padding: 18px; transition: width .2s ease, padding .2s ease; }
body.sidebar-collapsed .app-shell { grid-template-columns: 0 1fr; }
body.sidebar-collapsed .sidebar { width: 0; padding-left: 0; padding-right: 0; }
.sidebar-backdrop { display: none; }
.brand { font-size: 20px; font-weight: 800; margin-bottom: 22px; }
.sidebar nav { display: grid; gap: 4px; }
.sidebar a { color: #d7e1dd; text-decoration: none; padding: 10px 12px; border-radius: 6px; }
.sidebar a:hover, .sidebar a.active { background: rgba(255,255,255,.12); color: #fff; }
.nav-divider { height: 1px; background: rgba(255,255,255,.16); margin: 14px 4px 10px; }
.nav-section-label { color: #93a8a0; font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; padding: 8px 12px 4px; }
.nav-group { border-radius: 8px; }
.nav-group summary { list-style: none; cursor: pointer; color: #f4faf7; padding: 10px 12px; border-radius: 6px; font-weight: 700; display: flex; justify-content: space-between; align-items: center; }
.nav-group summary::-webkit-details-marker { display: none; }
.nav-group summary::after { content: '+'; color: #9db3ab; font-weight: 700; }
.nav-group[open] summary { background: rgba(255,255,255,.08); }
.nav-group.active summary { background: rgba(15,118,110,.5); color: #fff; }
.nav-group[open] summary::after { content: '-'; }
.nav-submenu { display: grid; gap: 2px; margin: 4px 0 8px 10px; padding-left: 8px; border-left: 1px solid rgba(255,255,255,.14); }
.nav-submenu-divider { border: 0; border-top: 1px solid rgba(255,255,255,.16); margin: 6px 10px; opacity: 1; }
.nav-submenu a { padding: 8px 10px; font-size: 13px; }
.main { min-width: 0; }
.topbar { height: 64px; background: #fff; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; padding: 0 24px; }
.topbar-left { display: flex; align-items: center; gap: 14px; min-width: 0; }
.sidebar-toggle { display: inline-grid; place-items: center; flex: 0 0 auto; border: 1px solid var(--line); background: #fff; color: var(--ink); width: 38px; height: 38px; border-radius: 6px; font-size: 20px; line-height: 1; }
.topbar-user { display: flex; align-items: center; gap: 14px; }
.user-meta { display: grid; gap: 1px; text-align: right; line-height: 1.2; }
.user-meta span { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.cashier-monitor-wrap { display: flex; align-items: center; gap: 10px; min-width: 0; }
.cashier-monitor-action { display: inline-flex; align-items: center; justify-content: center; gap: 7px; height: 46px; padding-inline: 16px; font-weight: 700; white-space: nowrap; }
.cashier-monitor-action.is-create-order { border-color: #2878a5; background: #2878a5; }
.cashier-monitor-action.is-create-order:hover,
.cashier-monitor-action.is-create-order:focus-visible { border-color: #216488; background: #216488; }
.cashier-monitor { min-width: 360px; max-width: 520px; height: 46px; display: grid; grid-template-columns: auto minmax(150px, 1fr) auto; align-items: center; gap: 14px; border: 1px solid #cdd8d5; border-radius: 8px; background: #f8fbfa; padding: 7px 12px; box-shadow: 0 8px 20px rgba(22, 32, 42, .04); }
.cashier-monitor-state { display: inline-flex; align-items: center; gap: 7px; color: #0f684f; font-size: 11px; font-weight: 850; text-transform: uppercase; white-space: nowrap; }
.cashier-monitor-state span { width: 8px; height: 8px; border-radius: 999px; background: #12865f; box-shadow: 0 0 0 4px rgba(18, 134, 95, .12); }
.cashier-monitor-main { display: grid; gap: 1px; min-width: 0; line-height: 1.2; }
.cashier-monitor-main strong { overflow: hidden; color: var(--ink); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.cashier-monitor-main span { overflow: hidden; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.cashier-monitor-elapsed { min-width: 86px; border-left: 1px solid #dfe6e3; color: #0e493b; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; font-size: 14px; font-weight: 850; letter-spacing: 0; padding-left: 14px; text-align: right; }
.cashier-monitor.is-closed { grid-template-columns: auto minmax(150px, 1fr); background: #fbfbfc; border-color: #dde2ea; box-shadow: none; }
.cashier-monitor.is-closed .cashier-monitor-state { color: #6b7682; }
.cashier-monitor.is-closed .cashier-monitor-state span { background: #9aa4b2; box-shadow: 0 0 0 4px rgba(154, 164, 178, .12); }
.eyebrow { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.content { padding: 24px; }
.page-title { display: flex; align-items: end; justify-content: space-between; margin-bottom: 18px; gap: 16px; }
.page-title h1 { font-size: 26px; margin: 0; }
.page-title span { color: var(--muted); }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 18px; }
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.panel h2, .section-title { font-size: 16px; margin: 0 0 12px; }

/* Guided purchase-order form */
.purchase-page-title { align-items: center; }
.purchase-page-title > div { display: grid; gap: 4px; }
.purchase-order-form { display: grid; grid-template-columns: minmax(0, 1fr); align-items: start; gap: 16px; }
.purchase-form-main { display: grid; gap: 16px; min-width: 0; }
.purchase-form-section { padding: 22px; }
.purchase-section-heading { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 20px; }
.purchase-section-heading h2 { margin: 1px 0 3px; font-size: 18px; }
.purchase-section-heading p { margin: 0; color: var(--muted); font-size: 13px; }
.purchase-step-number { width: 30px; height: 30px; flex: 0 0 30px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 800; font-size: 13px; }
.purchase-empty-state { display: flex; align-items: center; gap: 12px; border: 1px dashed var(--line); border-radius: 8px; background: #f8f9fa; color: var(--muted); padding: 18px; margin: 8px 0 14px; }
.purchase-empty-state i { font-size: 26px; color: var(--accent); }
.purchase-empty-state div { display: grid; gap: 2px; }
.purchase-empty-state strong { color: var(--ink); }
.purchase-empty-state span { font-size: 13px; }
.purchase-optional-section { border-left: 3px solid #adb5bd; }
.purchase-summary { width: min(480px, 100%); margin-left: auto; border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; background: #f8f9fa; }
.purchase-summary > div { display: flex; justify-content: space-between; gap: 20px; padding: 5px 0; }
.purchase-summary-total { border-top: 1px solid var(--line); margin-top: 6px; padding-top: 11px !important; font-size: 17px; }
.purchase-summary-total strong { color: var(--accent); }
.purchase-summary-icon { width: 36px; height: 36px; flex: 0 0 36px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; background: #e7f5f3; color: var(--accent); font-size: 18px; }
.purchase-form-actions { display: grid; gap: 8px; margin-top: 18px; }
.purchase-form-actions .btn { width: 100%; }
.po-picker-category-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.po-picker-category-grid .category-tile { justify-content: flex-start; min-height: 52px; white-space: normal; }

@media (min-width: 1200px) {
    .purchase-order-form { grid-template-columns: minmax(0, 1fr) 360px; }
    .purchase-review-section { grid-column: 2; grid-row: 1; position: sticky; top: 16px; box-shadow: 0 8px 24px rgba(15, 42, 52, .08); }
    .purchase-review-section .purchase-summary { width: 100%; }
}

@media (min-width: 992px) and (max-width: 1199.98px) {
    .purchase-order-form { grid-template-columns: minmax(0, 1fr) 320px; }
    .purchase-review-section { grid-column: 2; grid-row: 1; position: sticky; top: 12px; }
    .purchase-review-section .purchase-summary { width: 100%; }
}

@media (max-width: 767.98px) {
    .purchase-page-title { align-items: flex-start; }
    .purchase-form-section { padding: 16px; }
    .purchase-section-heading { margin-bottom: 16px; }
    .po-items-header, .po-cylinder-out-header, .po-charges-header { display: none; }
    .purchase-order-form .line-row { border: 1px solid var(--line); border-radius: 8px; padding: 10px; margin-bottom: 10px !important; }
    .po-picker-category-grid { grid-template-columns: 1fr; }
}
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.metric { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 16px; }
.metric span { color: var(--muted); display: block; margin-bottom: 8px; }
.metric strong { font-size: 24px; }
.ops-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin: -2px 0 18px; }
.ops-card { position: relative; min-height: 176px; display: grid; grid-template-rows: auto auto 1fr auto; gap: 8px; overflow: hidden; background: #fff; border: 1px solid #dfe5ee; border-radius: 8px; padding: 18px 18px 16px; box-shadow: 0 10px 24px rgba(22, 32, 42, .04); }
.ops-card::before { content: ''; position: absolute; inset: 0 auto 0 0; width: 4px; background: #94a3b8; }
.ops-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-width: 0; }
.ops-card-label { color: #536171; font-size: 12px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.ops-badge { flex: 0 0 auto; min-width: 32px; height: 26px; display: inline-grid; place-items: center; border-radius: 999px; background: #eef2f6; color: #425466; font-size: 13px; font-weight: 800; padding: 0 10px; }
.ops-card-value { color: var(--ink); font-size: 25px; font-weight: 850; line-height: 1.12; }
.ops-card-note { color: var(--muted); font-size: 13px; line-height: 1.35; max-width: 28ch; }
.ops-card-link { justify-self: start; display: inline-flex; align-items: center; gap: 7px; color: var(--accent); font-size: 13px; font-weight: 800; text-decoration: none; }
.ops-card-link:hover { color: #0b5f59; text-decoration: underline; }
.ops-card.is-warning::before, .ops-card.is-warning .ops-badge { background: #f5b700; color: #171717; }
.ops-card.is-info::before, .ops-card.is-info .ops-badge { background: #2563eb; color: #fff; }
.ops-card.is-ok::before, .ops-card.is-ok .ops-badge { background: #12865f; color: #fff; }
.ops-card.is-danger::before, .ops-card.is-danger .ops-badge { background: #b42318; color: #fff; }
.ops-card.is-muted::before, .ops-card.is-muted .ops-badge { background: #6b7682; color: #fff; }
.audit-details summary { cursor: pointer; color: var(--accent); font-weight: 800; }
.audit-json-label { color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .06em; margin-top: 10px; text-transform: uppercase; }
.audit-details pre { max-width: 560px; max-height: 240px; overflow: auto; background: #f7f9fb; border: 1px solid var(--line); border-radius: 6px; color: #253041; font-size: 12px; margin: 4px 0 0; padding: 10px; white-space: pre-wrap; }
.login-wrap { min-height: 100vh; display: grid; place-items: center; background: #eef3f0; padding: 20px; }
.login-panel { width: min(420px, 100%); background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 28px; }
.register-panel { width: min(560px, 100%); }
.login-panel h1 { font-size: 28px; margin: 0 0 6px; }
.branch-switcher { min-width: 220px; }
.branch-role-grid { display: grid; gap: 8px; padding: 10px; border: 1px solid var(--line); border-radius: 8px; }
.branch-role-row { display: grid; grid-template-columns: minmax(120px, 1fr) minmax(140px, 1fr); gap: 8px; align-items: center; }
.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 900px) { .settings-grid { grid-template-columns: 1fr; } }
.po-items-header { font-weight: 700; color: var(--ink); }
.select2-container .select2-selection--single { height: 38px; border-color: #dee2e6; }
.select2-container--default .select2-selection--single .select2-selection__rendered { line-height: 36px; }
.brand-logo-thumb { max-width: 72px; max-height: 42px; object-fit: contain; border: 1px solid var(--line); border-radius: 6px; background: #fff; padding: 3px; }
.queue-title { display: flex; align-items: center; gap: 14px; margin: -24px -24px 24px; padding: 18px 24px; background: #fff; border-bottom: 1px solid var(--line); }
.queue-title strong { font-size: 16px; }
.queue-title span { color: #a0a4b5; border-left: 1px solid var(--line); padding-left: 14px; font-weight: 700; }
.branch-request-panel { padding: 28px 36px; }
.status-tile-grid { display: grid; grid-template-columns: repeat(11, minmax(104px, 1fr)); gap: 12px; margin: 12px 0 34px; overflow-x: auto; padding-bottom: 4px; }
.status-tile { min-height: 104px; display: grid; place-items: center; align-content: center; gap: 8px; color: #8990a4; text-decoration: none; border: 1px solid #e6e9f1; border-radius: 6px; background: #fff; font-weight: 800; text-align: center; text-transform: uppercase; }
.status-tile i { font-size: 24px; color: #b4b8c8; }
.status-tile small { color: #b4b8c8; font-size: 13px; }
.status-tile.active { background: #f6465d; border-color: #f6465d; color: #fff; }
.status-tile.active i, .status-tile.active small { color: #fff; }
.supplier-status-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.supplier-status-grid .status-tile { min-height: 78px; gap: 4px; padding: 10px; }
.supplier-status-grid .status-tile i { font-size: 18px; }
.supplier-status-grid .status-tile span { font-size: 13px; }
.supplier-status-grid .status-tile small { font-size: 12px; }
.queue-filters { display: grid; grid-template-columns: minmax(160px, 1fr) minmax(180px, 1fr) minmax(220px, 1.4fr) auto minmax(180px, auto); gap: 14px; align-items: end; margin-bottom: 12px; }
.supplier-filters { grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr) auto; max-width: 720px; }
.queue-filters .form-label { margin-bottom: 6px; font-weight: 700; color: #4b5264; }
.queue-filter-actions { display: flex; gap: 4px; }
.queue-filter-actions .btn { width: 44px; height: 42px; display: inline-grid; place-items: center; }
.queue-generate { justify-self: end; white-space: nowrap; height: 42px; }
.queue-table-wrap { border: 1px solid #e6e9f1; border-radius: 6px; padding: 22px; overflow-x: auto; }
.export-button-row { display: flex; margin-bottom: 10px; }
.export-button-row .btn { border-radius: 0; color: #596075; }
.export-button-row .btn:first-child { border-radius: 4px 0 0 4px; }
.export-button-row .btn:last-child { border-radius: 0 4px 4px 0; }
.queue-table th { color: #b3b7c6; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
@media (max-width: 900px) {
    .app-shell { display: block; }
    .sidebar { position: fixed; inset: 0 auto 0 0; z-index: 1040; width: 280px; transform: translateX(-100%); transition: transform .2s ease; overflow-y: auto; }
    body.sidebar-collapsed .sidebar { width: 280px; padding: 18px; }
    body.sidebar-open .sidebar { transform: translateX(0); }
    body.sidebar-open .sidebar-backdrop { display: block; position: fixed; inset: 0; z-index: 1030; background: rgba(13, 24, 20, .45); }
    .sidebar-toggle { display: inline-grid; place-items: center; flex: 0 0 auto; }
    .topbar { flex-wrap: wrap; }
    .cashier-monitor-wrap { order: 3; width: 100%; }
    .cashier-monitor { width: 100%; max-width: none; min-width: 0; }
    .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ops-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .status-tile-grid { grid-template-columns: repeat(4, minmax(104px, 1fr)); }
    .supplier-status-grid { grid-template-columns: repeat(2, minmax(120px, 1fr)); }
    .queue-filters { grid-template-columns: 1fr 1fr; }
    .queue-generate { justify-self: stretch; width: 100%; }
}
@media (max-width: 600px) {
    .metric-grid { grid-template-columns: 1fr; }
    .ops-grid { grid-template-columns: 1fr; }
    .topbar { height: auto; padding: 14px; align-items: flex-start; gap: 12px; }
    .branch-switcher { min-width: 0; width: min(58vw, 230px); }
    .topbar-user { align-items: flex-end; }
    .cashier-monitor-wrap { align-items: stretch; flex-direction: column; }
    .cashier-monitor-action { height: 42px; }
    .cashier-monitor { grid-template-columns: 1fr auto; height: auto; row-gap: 5px; }
    .cashier-monitor-state { grid-column: 1 / -1; }
    .cashier-monitor-elapsed { min-width: 78px; font-size: 13px; padding-left: 10px; }
    .queue-filters { grid-template-columns: 1fr; }
}

/* POS tile grids */
.sales-checkout-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(310px, 360px);
    gap: 24px;
    align-items: start;
}
.sales-checkout-main {
    min-width: 0;
}
.sales-receipt {
    position: sticky;
    top: 82px;
    padding-top: 24px;
}
.sales-receipt-paper {
    overflow: hidden;
    border: 1px solid #cfd4da;
    border-radius: 6px;
    background: #fff;
    box-shadow: 0 4px 14px rgba(33, 37, 41, .08);
}
.sales-receipt-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px dashed #adb5bd;
}
.sales-receipt-kicker {
    margin-bottom: 3px;
    color: #6c757d;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
}
.sales-receipt-meta {
    display: grid;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px dashed #ced4da;
}
.sales-receipt-meta > div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 12px;
}
.sales-receipt-meta span {
    color: #6c757d;
}
.sales-receipt-meta strong {
    max-width: 68%;
    text-align: right;
}
.sales-receipt-meta > .sales-receipt-audit {
    display: block;
    padding-top: 2px;
    font-size: 11px;
    text-align: right;
}
.sales-receipt-lines,
.sales-receipt-charges {
    display: grid;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px dashed #ced4da;
}
.sales-receipt-empty {
    padding: 18px 6px;
    color: #868e96;
    font-size: 12px;
    text-align: center;
}
.sales-receipt-line {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: start;
    font-size: 12px;
}
.sales-receipt-line > div {
    min-width: 0;
}
.sales-receipt-line > div strong,
.sales-receipt-line > div span {
    display: block;
}
.sales-receipt-line > div strong {
    overflow-wrap: anywhere;
}
.sales-receipt-line > div span {
    margin-top: 2px;
    color: #6c757d;
}
.sales-receipt-charge {
    color: #495057;
}
.sales-receipt-totals {
    display: grid;
    gap: 8px;
    padding: 14px 16px;
}
.sales-receipt-totals > div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
}
.sales-receipt-grand {
    margin: 3px -16px;
    padding: 12px 16px;
    border-top: 1px solid #212529;
    border-bottom: 1px solid #212529;
    font-size: 18px !important;
}
#receipt-balance-row strong {
    color: #b02a37;
}
#receipt-balance-row.is-change strong {
    color: #146c43;
}
.sales-receipt-actions {
    display: grid;
    gap: 9px;
    padding: 16px;
    border-top: 1px dashed #adb5bd;
    background: #f8f9fa;
}
.sales-form-section {
    padding: 22px 0;
    border-top: 1px solid var(--line);
}
.sales-section-heading {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 14px;
}
.sales-section-step {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 26px;
    background: #2878a5;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
}
.sales-items-section {
    margin-left: -12px;
    margin-right: -12px;
    padding: 18px 12px;
    border: 1px solid #b9d5e8;
    border-left: 4px solid #2878a5;
    border-radius: 8px;
    background: #f4f9fc;
}
.sales-items-heading {
    justify-content: space-between;
    flex-wrap: wrap;
}
.sales-items-heading .category-grid {
    justify-content: flex-end;
}
.sales-items-section .refill-shortcuts {
    background: #fff;
}
.sales-form-paired {
    margin-top: 0;
    padding-top: 22px;
    border-top: 1px solid var(--line);
}
.sales-form-paired > .sales-form-section {
    margin-top: 0;
    padding: 0 calc(var(--bs-gutter-x) * .5) 22px;
    border-top: 0;
}
.sales-delivery-section {
    margin-top: 0;
    padding: 20px;
    border-top: 1px solid var(--line);
    background: #f6faf5;
    border-left: 3px solid #5c8f55;
}
.return-cylinder-group {
    padding: 14px;
    border: 1px solid var(--line);
    border-left: 3px solid #198754;
    border-radius: 6px;
    background: #f8fbf9;
}
.return-cylinder-group.has-pending-return {
    border-left-color: #dc3545;
    background: #fff9f9;
}
.return-cylinder-counts {
    margin-top: 2px;
}
.sales-summary-section .card {
    border-left: 3px solid #495057 !important;
    border-radius: 4px;
}
.sales-actions-section {
    padding-bottom: 4px;
}
.category-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}
.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
}
.refill-shortcuts {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f8f9fa;
    padding: 10px;
}
.refill-brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
    gap: 10px;
}
.refill-brand-tile {
    min-height: 86px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 8px;
    overflow: hidden;
}
.refill-brand-tile.is-out-of-stock {
    opacity: .55;
    cursor: not-allowed;
    filter: grayscale(1);
}
.refill-stock-label {
    color: #b02a37;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
}
.refill-brand-logo {
    max-width: 72px;
    max-height: 42px;
    object-fit: contain;
}
.refill-brand-fallback {
    min-height: 42px;
    display: flex;
    align-items: center;
    text-align: center;
}
@media (max-width: 767.98px) {
    .sales-form-section {
        padding: 18px 0;
    }
    .sales-items-section {
        margin-left: -6px;
        margin-right: -6px;
        padding: 14px 10px;
    }
    .sales-items-heading {
        align-items: flex-start;
    }
    .sales-items-heading .category-grid {
        width: 100%;
        justify-content: flex-start;
    }
    .sales-delivery-fields {
        padding: 12px;
    }
}
@media (max-width: 1199.98px) {
    .sales-checkout-layout {
        grid-template-columns: 1fr;
    }
    .sales-receipt {
        position: static;
        padding-top: 0;
    }
}
.size-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 10px;
}
.category-tile {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    font-weight: 600;
    font-size: 13px;
    padding: 8px 16px;
    line-height: 1;
    transition: all .15s ease;
    white-space: nowrap;
}
.category-tile i {
    font-size: 18px;
    line-height: 1;
}
.size-tile {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    font-weight: 800;
    font-size: 18px;
    text-align: center;
    padding: 8px;
    transition: all .15s ease;
}
.size-tile.is-out-of-stock::after {
    content: 'Out of stock';
    color: #b02a37;
    font-size: 9px;
    font-weight: 800;
    text-transform: uppercase;
}
.brand-tile {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    padding: 10px;
    transition: all .15s ease;
    overflow: hidden;
}
.brand-logo-tile {
    max-width: 90%;
    max-height: 80%;
    object-fit: contain;
}
.brand-name-fallback {
    font-weight: 700;
    font-size: 13px;
    text-align: center;
}
.category-tile:hover,
.brand-tile:hover,
.size-tile:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: #f6fffe;
}
.category-tile:active,
.brand-tile:active,
.size-tile:active {
    transform: scale(0.97);
}

/* Hide spinners on read-only price/total fields and modal inputs */
.line-price::-webkit-outer-spin-button,
.line-price::-webkit-inner-spin-button,
.line-total::-webkit-outer-spin-button,
.line-total::-webkit-inner-spin-button,
#discount-value::-webkit-outer-spin-button,
#discount-value::-webkit-inner-spin-button,
#discount-final::-webkit-outer-spin-button,
#discount-final::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.line-price,
.line-total,
#discount-value,
#discount-final {
    -moz-appearance: textfield;
}

/* Read-only price and total fields */
.transaction-form .line-price,
.purchase-order-form .line-price[readonly],
.line-total {
    background-color: #e9ecef !important;
    color: #212529 !important;
    cursor: default;
    pointer-events: none;
    opacity: 1;
}

.transaction-form .line-price:focus,
.purchase-order-form .line-price[readonly]:focus,
.line-total:focus {
    background-color: #e9ecef !important;
    box-shadow: none;
    border-color: #dee2e6;
}

/* Compact action buttons */
.remove-line,
.remove-charge {
    padding: 2px 6px !important;
    font-size: 12px;
    line-height: 1;
}

/* Clickable product display */
.line-product-display {
    cursor: pointer;
    background-color: #e9ecef;
    color: #212529;
    min-height: 38px;
    user-select: none;
}
.line-product-display:hover {
    background-color: #dee2e6;
}

/* Charge row read-only displays */
.charge-type-display,
.charge-description-display,
.charge-amount-display {
    cursor: pointer;
    background-color: #e9ecef;
    color: #212529;
    min-height: 38px;
    user-select: none;
}
.charge-type-display:hover,
.charge-description-display:hover,
.charge-amount-display:hover {
    background-color: #dee2e6;
}

/* Compact form controls — tight UI */
.form-control,
.form-select {
    padding: 0.25rem 0.5rem;
    font-size: 13px;
    min-height: 32px;
}

.form-control[type="text"],
.form-control[type="number"],
.form-control[type="datetime-local"],
.form-select {
    padding: 0.25rem 0.5rem;
}

textarea.form-control {
    padding: 0.35rem 0.5rem;
}

.input-group .btn {
    padding: 0.25rem 0.5rem;
    font-size: 13px;
}

.form-label {
    font-size: 12px;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

/* Compact read-only display boxes */
.line-product-display,
.charge-type-display,
.charge-description-display,
.charge-amount-display {
    min-height: 32px;
    padding: 0.25rem 0.5rem;
    font-size: 13px;
}

/* Make Select2 behave inside Bootstrap input-group */
.input-group > .select2-container {
    flex: 1 1 auto;
    width: 1% !important;
    min-width: 0;
}

/* Compact Select2 to match */
.select2-container .select2-selection--single {
    height: 32px !important;
}
.select2-container .select2-selection--single .select2-selection__rendered {
    line-height: 30px !important;
    font-size: 13px;
    padding-left: 0.5rem !important;
}
.select2-container .select2-selection--single .select2-selection__arrow {
    height: 30px !important;
}

/* Right-align price and total fields in product line items */
.line-price,
.line-total {
    text-align: right;
}

/* Right-align charge amount display */
.charge-amount-display,
.charge-amount-text {
    text-align: right;
    justify-content: flex-end;
}

/* Form validation styles - red border for invalid fields */
.form-control.is-invalid,
.form-select.is-invalid {
    border-color: #dc3545 !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 16px 12px;
    padding-right: 2rem;
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25) !important;
}

/* Select2 invalid state */
.select2-container.is-invalid .select2-selection--single {
    border-color: #dc3545 !important;
}

.select2-container.is-invalid.select2-container--focus .select2-selection--single,
.select2-container.is-invalid.select2-container--open .select2-selection--single {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25) !important;
}

/* Highlight for items section when invalid */
[data-lines="items"].is-invalid,
#line-items-section.is-invalid {
    border: 2px solid #dc3545 !important;
    border-radius: 6px;
    padding: 8px;
}

/* Animation for invalid fields */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-3px); }
    20%, 40%, 60%, 80% { transform: translateX(3px); }
}

.form-control.is-invalid,
.form-select.is-invalid {
    animation: shake 0.4s ease-in-out;
}