:root {
    color-scheme: light;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
    color: #172033;
    background: #f4f6f9;
    --border: #dfe4ec;
    --muted: #657084;
    --surface: #ffffff;
    --danger: #b42318;
    --success: #067647;
    --radius: 0.75rem;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-height: 100vh; }
button, input, select, textarea { font: inherit; }
a { color: var(--business-primary); }
:focus-visible { outline: 3px solid var(--business-primary); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.muted { color: var(--muted); }
.eyebrow { margin: 0; color: var(--business-primary); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }

.app-layout { display: grid; grid-template-columns: 16rem minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: sticky; top: 0; display: flex; flex-direction: column; height: 100vh; padding: 1.25rem 1rem; border-right: 1px solid var(--border); background: var(--surface); z-index: 20; }
.brand { display: flex; gap: 0.75rem; align-items: center; min-height: 2.75rem; padding: 0 0.5rem; color: #172033; font-weight: 800; text-decoration: none; }
.brand img, .auth-brand img { width: 2.75rem; height: 2.75rem; object-fit: contain; border-radius: 0.5rem; }
.brand-mark { display: inline-grid; place-items: center; flex: 0 0 auto; width: 2.5rem; height: 2.5rem; border-radius: 0.6rem; color: #fff; background: var(--business-primary); font-size: 0.8rem; }
.brand-mark.large { width: 3.5rem; height: 3.5rem; font-size: 1rem; }
.main-nav { display: grid; gap: 0.25rem; margin-top: 2rem; }
.nav-item { display: block; padding: 0.65rem 0.75rem; border-radius: 0.5rem; color: #334056; text-decoration: none; }
.nav-item:hover, .nav-item.active { color: var(--business-primary); background: var(--business-secondary); }
.nav-item.disabled { color: #99a2b1; cursor: not-allowed; }
.sidebar-bottom { display: grid; gap: 0.25rem; margin-top: auto; }
.app-main { min-width: 0; }
.app-header { display: flex; align-items: center; gap: 1rem; min-height: 5rem; padding: 0.75rem 2rem; border-bottom: 1px solid var(--border); background: var(--surface); }
.app-header h1 { margin: 0; font-size: 1.35rem; }
.header-context { margin: 0; color: var(--muted); font-size: 0.76rem; }
.menu-toggle { display: none; border: 0; background: transparent; font-size: 1.4rem; }
.user-menu { position: relative; margin-left: auto; }
.user-menu summary { cursor: pointer; font-weight: 650; }
.user-menu-panel { position: absolute; right: 0; display: grid; gap: 0.7rem; width: 13rem; padding: 1rem; margin-top: 0.7rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: 0 1rem 2rem rgb(20 35 60 / 12%); z-index: 30; }
.user-menu-panel span { color: var(--muted); font-size: 0.85rem; }
.content { width: min(100% - 3rem, 75rem); margin-inline: auto; padding-block: 2rem 4rem; }

.panel { padding: 1.5rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.welcome-panel { max-width: 48rem; }
.welcome-panel h2 { margin: 0.4rem 0 0.75rem; }
.dashboard-heading { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.25rem; }
.dashboard-heading h2 { margin: 0.25rem 0; font-size: 1.8rem; }
.dashboard-heading p { margin-block: 0; }
.dashboard-kpis, .report-kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.8rem; margin-bottom: 1rem; }
.dashboard-kpis article, .report-kpis article { display: grid; gap: 0.25rem; padding: 1rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.dashboard-kpis article.accent { border-color: var(--business-primary); }
.dashboard-kpis span, .dashboard-kpis small, .report-kpis span { color: var(--muted); }
.dashboard-kpis strong, .report-kpis strong { font-size: 1.5rem; }
.dashboard-quick { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; padding-block: 1rem; }
.dashboard-quick h2 { margin: 0; font-size: 1rem; }
.dashboard-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(15rem, 1fr); gap: 1rem; margin-bottom: 1rem; }
.dashboard-grid h2, .dashboard-trend h2, .section-title-row h2 { margin: 0; font-size: 1.05rem; }
.attention-list { display: grid; gap: 0.6rem; margin-top: 1rem; }
.attention-list a { display: flex; justify-content: space-between; gap: 1rem; padding: 0.75rem; border-radius: 0.5rem; color: #172033; background: #f7f8fb; text-decoration: none; }
.attention-list a span { color: var(--business-primary); text-align: right; }
.dashboard-cash { display: grid; align-content: start; gap: 0.55rem; }
.dashboard-cash p { margin: 0; }
.dashboard-cash > strong { font-size: 1.6rem; }
.dashboard-cash .status { justify-self: start; }
.dashboard-trend { margin-bottom: 1rem; }
.section-title-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.section-title-row p { margin: 0.25rem 0 0; }
.sales-bars { display: grid; grid-template-columns: repeat(7, minmax(2.5rem, 1fr)); align-items: end; gap: 0.65rem; height: 13rem; padding-top: 2rem; }
.sales-bars > div { display: grid; grid-template-rows: 1rem minmax(1rem, 1fr) auto; align-items: end; gap: 0.35rem; height: 100%; text-align: center; }
.sales-bars i { display: block; min-height: 0.2rem; border-radius: 0.35rem 0.35rem 0 0; background: var(--business-primary); }
.sales-bars time, .bar-value { color: var(--muted); font-size: 0.72rem; font-style: normal; }
.report-hub { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.report-hub a { display: grid; gap: 0.35rem; color: #172033; text-decoration: none; }
.report-hub a:hover { border-color: var(--business-primary); }
.report-hub span { color: var(--muted); }
.report-filters { grid-template-columns: repeat(4, minmax(8rem, 1fr)); }
.report-filter-errors { grid-column: 1 / -1; }
.report-breakdown { margin-bottom: 1rem; }
.report-breakdown h2, .report-split h2 { margin-top: 0; font-size: 1rem; }
.report-breakdown > div { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.report-breakdown span { padding: 0.45rem 0.7rem; border-radius: 0.4rem; background: #f7f8fb; }
.report-split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.report-split p { display: flex; justify-content: space-between; gap: 1rem; }
.page-actions { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.action-group { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 2.65rem; padding: 0.6rem 1rem; border: 1px solid transparent; border-radius: 0.5rem; font-weight: 700; text-decoration: none; cursor: pointer; }
.button-primary { color: #fff; background: var(--business-primary); }
.button-secondary { color: #27334a; border-color: var(--border); background: #fff; }
.button-danger { color: #fff; background: var(--danger); }
.button-block { width: 100%; }
.button:disabled { opacity: 0.5; cursor: not-allowed; }
.link-button { padding: 0; border: 0; color: var(--business-primary); background: transparent; cursor: pointer; text-decoration: underline; }

.responsive-table { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.85rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; }
.row-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.status { display: inline-block; padding: 0.2rem 0.55rem; border-radius: 999px; font-size: 0.78rem; font-weight: 700; }
.status.active { color: var(--success); background: #ecfdf3; }
.status.inactive { color: var(--danger); background: #fef3f2; }

.form-panel { max-width: 42rem; }
.stacked-form { display: grid; gap: 1rem; }
.form-field { display: grid; gap: 0.35rem; }
.form-field label { font-weight: 700; }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-height: 2.75rem; padding: 0.65rem 0.75rem; border: 1px solid #c9d0db; border-radius: 0.45rem; color: #172033; background: #fff; }
.form-field textarea { min-height: 5.5rem; resize: vertical; }
.form-field input[type="checkbox"] { width: 1.1rem; min-height: auto; }
.form-field input[type="file"] { padding: 0.5rem; }
.form-field small { color: var(--muted); }
.errorlist { margin: 0; padding: 0; color: var(--danger); list-style: none; font-size: 0.86rem; }
.has-error input, .has-error select, .has-error textarea { border-color: var(--danger); }
.form-errors { padding: 0.75rem; border-radius: 0.45rem; color: var(--danger); background: #fef3f2; }
.form-actions { display: flex; gap: 0.75rem; margin-top: 0.5rem; }
.form-actions.end { justify-content: flex-end; }
.standard-form-shell { display: grid; gap: 1rem; width: min(100%, 52rem); margin-inline: auto; }
.standard-form-intro { display: flex; align-items: center; gap: 0.9rem; }
.standard-form-intro > div { display: grid; gap: 0.15rem; }
.standard-form-intro h2 { margin: 0; color: var(--ink-strong); font-size: clamp(1.35rem, 3vw, 1.75rem); letter-spacing: -0.03em; }
.standard-form-intro p { margin: 0; color: var(--muted); font-size: 0.86rem; }
.standard-form-icon { display: grid; place-items: center; flex: 0 0 auto; width: 3rem; height: 3rem; border-radius: 0.9rem; color: var(--business-primary); background: var(--business-secondary); }
.standard-form-icon .icon { width: 1.25rem; height: 1.25rem; }
.standard-form-icon.success { color: var(--success); background: var(--success-soft); }
.standard-form-icon.warning { color: var(--warning); background: var(--warning-soft); }
.standard-form-icon.danger { color: var(--danger); background: var(--danger-soft); }
.standard-form-card { overflow: hidden; padding: 0; }
.standard-form-card-header { padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); background: linear-gradient(135deg, #fff, var(--surface-soft)); }
.standard-form-card-header h3 { margin: 0; color: var(--ink-strong); font-size: 1rem; }
.standard-form-card-header p { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.78rem; }
.standard-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 1.15rem; padding: 1.25rem; }
.standard-form-grid > .form-errors, .standard-form-grid > .form-switch-field, .standard-form-grid > .standard-form-actions, .standard-form-grid > .calculation-preview { grid-column: 1 / -1; }
.standard-form-grid > .form-field:has(textarea) { grid-column: 1 / -1; }
.standard-form-grid > .form-field:only-of-type { grid-column: 1 / -1; }
.standard-form-grid.compact { grid-template-columns: 1fr; }
.standard-form-grid .form-field input:not([type="checkbox"]):focus, .standard-form-grid .form-field select:focus, .standard-form-grid .form-field textarea:focus { border-color: var(--business-primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--business-primary) 12%, transparent); outline: 0; }
.standard-form-grid .form-field input::placeholder, .standard-form-grid .form-field textarea::placeholder { color: #98a2b3; }
.form-switch-field { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 0.85rem 1rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-soft); }
.form-switch-field.has-error { border-color: var(--danger); }
.form-switch-field > div { display: grid; gap: 0.2rem; }
.form-switch-field label { color: var(--ink-strong); font-size: 0.85rem; font-weight: 800; cursor: pointer; }
.form-switch-field small { color: var(--muted); font-size: 0.75rem; }
.standard-form-actions { display: flex; justify-content: flex-end; gap: 0.65rem; padding-top: 0.25rem; }
.standard-form-note { margin: 0; padding: 0.8rem 0.9rem; border-radius: 0.7rem; color: var(--muted); background: var(--surface-soft); font-size: 0.78rem; line-height: 1.5; }
.standard-form-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); background: var(--surface-soft); }
.standard-form-summary > div { display: grid; gap: 0.2rem; }
.standard-form-summary span { color: var(--muted); font-size: 0.72rem; }
.standard-form-summary strong { color: var(--ink-strong); font-size: 0.95rem; }
.standard-form-card.danger { border-color: #fda29b; }
.standard-form-card.danger .standard-form-card-header { background: linear-gradient(135deg, #fff, var(--danger-soft)); }
.standard-form-card > .standard-form-note { margin: 1rem 1.25rem 0; }
.standard-form-note strong { color: var(--ink-strong); }
.danger-note { color: #912018; background: var(--danger-soft); }
.inventory-first-entry-note { border: 1px solid #b2ccff; color: #1849a9; background: #eff4ff; }
.standard-form-card > .cash-breakdown { margin: 0; padding: 1.25rem; border-bottom: 1px solid var(--border); }
.settings-form { display: grid; gap: 1rem; }
.form-section { display: grid; grid-template-columns: 13rem minmax(0, 1fr); gap: 2rem; }
.section-heading h2 { margin: 0; }
.section-heading p { margin: 0.35rem 0 0; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.form-field.wide { grid-column: 1 / -1; }
.identity-preview { display: flex; align-items: center; gap: 0.8rem; padding: 1rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--preview-secondary); }
.identity-preview img { width: 3rem; height: 3rem; border-radius: 0.5rem; object-fit: contain; }
.identity-preview div { display: grid; margin-right: auto; }
.identity-preview small { color: var(--muted); }
.identity-preview-button { padding: 0.55rem 0.8rem; border-radius: 0.45rem; color: #fff; background: var(--preview-primary); font-weight: 700; }
.receipt-settings-grid .form-field { align-content: start; }
.module-option { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 1rem; padding: 1.1rem; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
.module-option.has-error { border-color: var(--danger); }
.module-option-icon { display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border-radius: 0.75rem; color: var(--business-primary); background: var(--business-secondary); }
.module-option-icon .icon { width: 1.2rem; height: 1.2rem; }
.module-option-copy label { display: block; color: #26334a; font-weight: 800; }
.module-option-copy p { margin: 0.3rem 0 0; color: var(--muted); font-size: 0.86rem; line-height: 1.45; }
.module-note { margin: -0.35rem 0 0; color: var(--muted); font-size: 0.8rem; }
.switch-control { position: relative; display: inline-flex; cursor: pointer; }
.switch-control input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.switch-control > span:first-of-type { position: relative; width: 3rem; height: 1.7rem; border-radius: 999px; background: #cbd3df; transition: background 160ms ease; }
.switch-control > span:first-of-type::after { position: absolute; top: 0.2rem; left: 0.2rem; width: 1.3rem; height: 1.3rem; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgb(16 24 40 / 24%); content: ""; transition: transform 160ms ease; }
.switch-control input:checked + span { background: var(--business-primary); }
.switch-control input:checked + span::after { transform: translateX(1.3rem); }
.switch-control input:focus-visible + span { outline: 3px solid color-mix(in srgb, var(--business-primary) 24%, transparent); outline-offset: 2px; }
.product-editor-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 1.5rem; width: min(100%, 68rem); margin: 0 auto 1.25rem; }
.product-editor-heading > div { display: grid; gap: 0.35rem; }
.product-editor-heading h2 { margin: 0; color: var(--ink-strong); font-size: clamp(1.45rem, 3vw, 2rem); letter-spacing: -0.035em; }
.product-editor-heading p { max-width: 42rem; margin: 0; color: var(--muted); }
.product-editor-heading .eyebrow { color: var(--business-primary); }
.product-editor { display: grid; gap: 1rem; width: min(100%, 68rem); margin-inline: auto; }
.product-form-section { overflow: hidden; padding: 0; }
.product-section-heading { display: flex; align-items: center; gap: 0.9rem; padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); background: linear-gradient(135deg, #fff, var(--surface-soft)); }
.product-section-heading > div { display: grid; gap: 0.1rem; }
.product-section-heading > div > span { color: var(--business-primary); font-size: 0.65rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.product-section-heading h2 { margin: 0; color: var(--ink-strong); font-size: 1.05rem; letter-spacing: -0.015em; }
.product-section-heading p { margin: 0; color: var(--muted); font-size: 0.79rem; }
.product-section-icon { display: grid; place-items: center; flex: 0 0 auto; width: 2.65rem; height: 2.65rem; border-radius: 0.8rem; color: var(--business-primary); background: var(--business-secondary); }
.product-section-icon.success { color: var(--success); background: var(--success-soft); }
.product-section-icon.warning { color: var(--warning); background: var(--warning-soft); }
.product-section-icon .icon { width: 1.2rem; height: 1.2rem; }
.product-fields-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 1.25rem; padding: 1.25rem; }
.product-fields-grid > .wide { grid-column: 1 / -1; }
.product-fields-grid textarea { min-height: 6rem; }
.product-toggle { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 0.85rem; padding: 0.9rem 1rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-soft); }
.product-toggle.has-error { border-color: var(--danger); }
.product-toggle-icon { display: grid; place-items: center; width: 2.25rem; height: 2.25rem; border-radius: 0.65rem; color: var(--business-primary); background: #fff; box-shadow: var(--shadow-xs); }
.product-toggle-icon .icon { width: 1rem; height: 1rem; }
.product-toggle label { color: var(--ink-strong); font-size: 0.86rem; font-weight: 800; cursor: pointer; }
.product-toggle p { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.76rem; }
.money-input { position: relative; }
.money-input > span { position: absolute; top: 50%; left: 0.8rem; transform: translateY(-50%); color: var(--muted); font-size: 0.86rem; font-weight: 750; pointer-events: none; z-index: 1; }
.money-input input { padding-left: 2.2rem; }
.password-input { position: relative; }
.password-input input { padding-right: 5.4rem; }
.password-input button { position: absolute; top: 50%; right: 0.5rem; min-height: 2rem; padding: 0.3rem 0.55rem; transform: translateY(-50%); border: 0; border-radius: 0.45rem; color: var(--business-primary); background: var(--surface-soft); font-size: 0.72rem; font-weight: 750; cursor: pointer; }
.profit-preview { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.8rem; padding: 1rem; border: 1px solid #a6f4c5; border-radius: var(--radius); color: var(--success); background: var(--success-soft); }
.profit-preview > div { display: grid; gap: 0.2rem; }
.profit-preview span { font-size: 0.74rem; font-weight: 650; }
.profit-preview strong { font-size: 1.2rem; letter-spacing: -0.02em; }
.profit-preview > small { grid-column: 1 / -1; color: #3f6f5a; font-size: 0.72rem; }
.profit-preview.loss { border-color: #fda29b; color: var(--danger); background: var(--danger-soft); }
.inventory-dependent { display: grid; grid-template-columns: minmax(14rem, 0.75fr) minmax(0, 1.25fr); align-items: end; gap: 1.25rem; }
.inventory-dependent > p { margin: 0 0 0.1rem; padding: 0.8rem 0.9rem; border-radius: 0.7rem; color: var(--muted); background: var(--surface-soft); font-size: 0.76rem; line-height: 1.45; }
.inventory-dependent.is-disabled .form-field { opacity: 0.55; }
.inventory-form-note { display: flex; align-items: center; gap: 0.8rem; padding: 0.85rem 1rem; border: 1px dashed #cbd5e1; border-radius: var(--radius); background: var(--surface-soft); }
.inventory-form-note > span { display: grid; place-items: center; flex: 0 0 auto; width: 2.3rem; height: 2.3rem; border-radius: 0.65rem; color: var(--business-primary); background: #fff; }
.inventory-form-note .icon { width: 1rem; height: 1rem; }
.inventory-form-note strong { color: var(--ink-strong); font-size: 0.84rem; }
.inventory-form-note p { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.76rem; line-height: 1.45; }
.product-form-actions { position: sticky; bottom: 1rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 0.9rem 1rem; border: 1px solid var(--border); border-radius: var(--radius); background: rgb(255 255 255 / 94%); box-shadow: var(--shadow-md); backdrop-filter: blur(12px); z-index: 8; }
.product-form-actions > p { margin: 0; color: var(--muted); font-size: 0.76rem; }
.product-form-actions > p span { color: var(--danger); }
.product-form-actions > div { display: flex; gap: 0.65rem; }
.settings-nav { position: sticky; top: 6.1rem; display: flex; gap: 0.45rem; margin-bottom: 1rem; padding: 0.55rem; overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: rgb(255 255 255 / 94%); box-shadow: var(--shadow-sm); backdrop-filter: blur(12px); z-index: 10; }
.settings-nav a { flex: 0 0 auto; padding: 0.55rem 0.75rem; border-radius: 0.55rem; color: var(--muted); font-size: 0.8rem; font-weight: 750; text-decoration: none; }
.settings-nav a:hover, .settings-nav a:focus-visible { color: var(--business-primary); background: var(--business-secondary); }
.settings-form .form-section { scroll-margin-top: 10.5rem; }
.settings-save-bar { position: sticky; bottom: 1rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 0.8rem 0.9rem; border: 1px solid var(--border); border-radius: var(--radius); background: rgb(255 255 255 / 96%); box-shadow: var(--shadow-md); backdrop-filter: blur(12px); z-index: 9; }
.settings-save-bar span { color: var(--muted); font-size: 0.78rem; }
.settings-save-bar span.is-dirty { color: var(--warning); font-weight: 750; }
.contrast-status { margin: 0; padding: 0.7rem 0.8rem; border: 1px solid #a6f4c5; border-radius: 0.65rem; color: var(--success); background: var(--success-soft); font-size: 0.78rem; }
.contrast-status.warning { border-color: #f3ca52; color: var(--warning); background: var(--warning-soft); }
.color-control { min-height: 3.2rem !important; padding: 0.3rem !important; cursor: pointer; }
.auth-welcome-brand img { width: 2.8rem; height: 2.8rem; padding: 0.2rem; border-radius: 0.75rem; background: #fff; object-fit: contain; }
.filter-bar { display: grid; grid-template-columns: minmax(12rem, 2fr) repeat(3, minmax(9rem, 1fr)) auto auto; align-items: end; gap: 0.75rem; margin-bottom: 1rem; padding: 1rem; }
.filter-bar .button { margin-bottom: 0.05rem; }
.pagination { display: flex; justify-content: center; align-items: center; gap: 1rem; padding-top: 1rem; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
.negative-value { color: var(--danger); font-weight: 700; }
.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.detail-grid .full-width { grid-column: 1 / -1; }
.detail-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1rem 0 0; }
.detail-list div { padding-bottom: 0.75rem; border-bottom: 1px solid var(--border); }
.detail-list .wide { grid-column: 1 / -1; }
.detail-list dt { color: var(--muted); font-size: 0.78rem; font-weight: 700; text-transform: uppercase; }
.detail-list dd { margin: 0.25rem 0 0; }
.calculation-preview { display: flex; flex-wrap: wrap; gap: 1.5rem; padding: 1rem; border-radius: 0.5rem; color: var(--success); background: #ecfdf3; }
.calculation-preview.loss { color: var(--danger); background: #fef3f2; }
.inventory-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.summary-card { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.25rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.summary-card span { color: var(--muted); }
.summary-card strong { font-size: 1.5rem; }
.summary-card.low strong { color: #b54708; }
.summary-card.out strong { color: var(--danger); }
.inventory-filters { grid-template-columns: minmax(12rem, 2fr) repeat(2, minmax(9rem, 1fr)) auto auto; }
.table-note { display: block; color: var(--muted); font-size: 0.72rem; }
.stock-status { display: inline-block; padding: 0.2rem 0.55rem; border-radius: 999px; font-size: 0.8rem; }
.stock-status.available { color: var(--success); background: #ecfdf3; }
.stock-status.low { color: #b54708; background: #fffaeb; }
.stock-status.out { color: var(--danger); background: #fef3f2; }
.stock-status.untracked { color: var(--muted); background: #f2f4f7; }
.inventory-product-summary, .operation-preview { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.inventory-product-summary div, .operation-preview div { display: grid; gap: 0.3rem; }
.inventory-product-summary span, .operation-preview span { color: var(--muted); font-size: 0.8rem; }
.empty-inventory-state { margin-bottom: 1rem; text-align: center; }
.movement-history { margin-top: 1rem; }
.history-filters { display: grid; grid-template-columns: repeat(3, minmax(9rem, 1fr)) auto; align-items: end; gap: 0.75rem; margin-block: 1rem; }
.movement-list { display: grid; gap: 0.75rem; }
.movement-item { padding: 1rem; border: 1px solid var(--border); border-radius: 0.6rem; }
.movement-item time { color: var(--muted); font-size: 0.8rem; }
.movement-item > div { display: flex; justify-content: space-between; gap: 1rem; margin-top: 0.3rem; }
.movement-item p { margin: 0.35rem 0 0; }
.movement-quantity { color: var(--success); font-weight: 800; }
.inventory-form-panel { margin-top: 1rem; }
.first-entry-message { margin-bottom: 1rem; border-color: #b2ccff; color: #1849a9; background: #eff4ff; }
.pos-layout { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(20rem, 1fr); gap: 1rem; align-items: start; }
.pos-products, .current-sale { min-width: 0; }
.pos-search-panel input { width: 100%; min-height: 3.25rem; padding: 0.75rem 1rem; border: 1px solid #c9d0db; border-radius: 0.6rem; font-size: 1rem; }
.category-chips { display: flex; gap: 0.5rem; margin-block: 0.8rem; padding-bottom: 0.25rem; overflow-x: auto; }
.category-chip { flex: 0 0 auto; padding: 0.45rem 0.8rem; border: 1px solid var(--border); border-radius: 999px; color: #334056; background: #fff; cursor: pointer; }
.category-chip.active { border-color: var(--business-primary); color: var(--business-primary); background: var(--business-secondary); }
.product-results { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
.product-card { display: grid; gap: 0.35rem; min-height: 8rem; padding: 1rem; border: 1px solid var(--border); border-radius: 0.65rem; color: inherit; background: var(--surface); text-align: left; cursor: pointer; }
.product-card:hover:not(:disabled) { border-color: var(--business-primary); box-shadow: 0 0.35rem 1rem rgb(20 35 60 / 8%); }
.product-card:disabled { opacity: 0.6; cursor: not-allowed; }
.product-card strong { font-size: 1rem; }
.product-card .price { color: var(--business-primary); font-size: 1.15rem; font-weight: 800; }
.stock-text { color: var(--muted); font-size: 0.82rem; }
.stock-text.low { color: #b54708; font-weight: 700; }
.stock-text.out { color: var(--danger); font-weight: 700; }
.current-sale { position: sticky; top: 1rem; }
.current-sale-heading { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.current-sale-heading h2 { margin: 0; }
.cart-items { display: grid; gap: 0.65rem; min-height: 5rem; margin-block: 1rem; }
.empty-cart { display: grid; place-items: center; min-height: 7rem; margin: 0; border: 1px dashed var(--border); border-radius: 0.6rem; color: var(--muted); text-align: center; }
.cart-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.6rem; padding-bottom: 0.65rem; border-bottom: 1px solid var(--border); }
.cart-item p { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.84rem; }
.cart-item-total { text-align: right; }
.cart-controls { display: flex; align-items: center; gap: 0.35rem; grid-column: 1 / -1; }
.cart-controls button { width: 2rem; height: 2rem; border: 1px solid var(--border); border-radius: 0.4rem; background: #fff; cursor: pointer; }
.cart-controls input { width: 5rem; height: 2rem; padding-inline: 0.4rem; border: 1px solid var(--border); border-radius: 0.4rem; text-align: center; }
.cart-controls .remove-item { width: auto; margin-left: auto; padding-inline: 0.5rem; color: var(--danger); }
.checkout-fields { display: grid; gap: 0.75rem; }
.customer-picker { padding: 0.8rem; border: 1px solid var(--border); border-radius: 0.6rem; }
.customer-selection { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; }
.customer-selection > div { display: grid; gap: 0.15rem; }
.customer-selection span, .customer-selection small { color: var(--muted); }
.customer-picker-panel { display: grid; gap: 0.6rem; margin-top: 0.75rem; }
.customer-picker-panel > input, .quick-customer-fields input { width: 100%; min-height: 2.6rem; padding: 0.6rem; border: 1px solid var(--border); border-radius: 0.45rem; }
.customer-results { display: grid; gap: 0.4rem; max-height: 13rem; overflow-y: auto; }
.customer-result { display: grid; gap: 0.1rem; padding: 0.65rem; border: 1px solid var(--border); border-radius: 0.45rem; background: #fff; text-align: left; cursor: pointer; }
.customer-result small { color: var(--muted); }
.quick-customer summary { cursor: pointer; color: var(--business-primary); font-weight: 700; }
.quick-customer-fields { display: grid; gap: 0.5rem; margin-top: 0.5rem; }
.credit-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem; padding: 0.75rem; border-radius: 0.5rem; background: var(--business-secondary); }
.credit-fields p { grid-column: 1 / -1; display: flex; justify-content: space-between; margin: 0; }
.discount-fields, .payment-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem; }
.discount-fields .wide, .payment-fields .wide { grid-column: 1 / -1; }
.sale-totals { display: grid; gap: 0.45rem; margin-block: 1rem; padding-block: 1rem; border-block: 1px solid var(--border); }
.sale-totals > div { display: flex; justify-content: space-between; gap: 1rem; }
.sale-totals .grand-total { margin-top: 0.35rem; color: var(--business-primary); font-size: 1.35rem; font-weight: 850; }
.checkout-button { width: 100%; min-height: 3.25rem; font-size: 1.05rem; }
.sale-success { max-width: 38rem; margin-inline: auto; text-align: center; }
.success-mark { display: grid; place-items: center; width: 4rem; height: 4rem; margin-inline: auto; border-radius: 50%; color: #fff; background: var(--success); font-size: 2rem; }
.success-total { margin: 0.5rem 0; color: var(--business-primary); font-size: 2.25rem; font-weight: 850; }
.success-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.65rem; margin-top: 1.5rem; }
.cancelled-mark { display: grid; place-items: center; width: 4rem; height: 4rem; margin-inline: auto; border-radius: 50%; color: #fff; background: var(--danger); font-size: 2.4rem; }
.cancellation-form-panel { max-width: 42rem; margin-inline: auto; }
.cancellation-audit { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; border-color: #fda29b; background: #fff7f6; }
.cancellation-audit > strong { grid-column: 1 / -1; color: var(--danger); font-size: 1.1rem; }
.cancellation-audit > div { display: grid; gap: 0.25rem; }
.cancellation-audit span { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; }
.cancellation-audit .wide { grid-column: 1 / -1; }
.sales-filters { grid-template-columns: minmax(11rem, 2fr) repeat(4, minmax(8rem, 1fr)) auto auto; }
.sale-metadata { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.sale-metadata > div { display: grid; gap: 0.25rem; }
.sale-metadata span, .sale-metadata small { color: var(--muted); }
.sale-detail-totals > div { display: flex; justify-content: space-between; gap: 1rem; padding-block: 0.35rem; }
.sale-detail-totals { width: min(100%, 24rem); margin: 1rem 0 0 auto; }
.credit-sale-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 1rem; }
.credit-sale-summary h2, .credit-sale-summary a { grid-column: 1 / -1; }
.credit-sale-summary div, .customer-profile > div { display: grid; gap: 0.25rem; }
.credit-sale-summary span, .customer-profile span { color: var(--muted); }
.customer-profile { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.customer-profile .wide { grid-column: 1 / -1; }
.customer-filters { grid-template-columns: minmax(14rem, 2fr) minmax(10rem, 1fr) auto auto; }
.receivable-filters { grid-template-columns: minmax(11rem, 2fr) repeat(4, minmax(8rem, 1fr)) auto auto; }
.cash-warning { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; padding: 0.8rem 1rem; border: 1px solid #fdb022; border-radius: var(--radius); background: #fffaeb; }
.cash-warning > div { display: grid; gap: 0.2rem; }
.cash-warning.compact { margin-top: 1rem; }
.empty-cash { padding: 3rem; text-align: center; }
.cash-heading { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.cash-expected { display: grid; gap: 0.25rem; text-align: right; }
.cash-expected span, .cash-session-detail span { color: var(--muted); }
.cash-expected strong { font-size: 2rem; }
.cash-summary-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; margin-bottom: 1rem; }
.cash-actions { display: flex; justify-content: flex-end; gap: 0.65rem; margin-bottom: 1rem; }
.positive-value { color: var(--success); }
.negative-value { color: var(--danger); }
.cash-form, .cash-close { max-width: 42rem; margin-inline: auto; }
.cash-breakdown { display: grid; grid-template-columns: 1fr auto; gap: 0.6rem 1.5rem; margin-bottom: 1.5rem; }
.cash-breakdown strong { text-align: right; }
.cash-breakdown .cash-total { padding-top: 0.75rem; border-top: 2px solid var(--border); font-size: 1.1rem; }
.cash-session-detail { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.cash-session-detail > div { display: grid; gap: 0.25rem; }
.cash-filters { grid-template-columns: minmax(14rem, 2fr) minmax(9rem, 1fr) auto auto; }
.expense-form { max-width: 46rem; margin-inline: auto; }
.expense-filters { grid-template-columns: repeat(4, minmax(8rem, 1fr)); }
.expense-detail { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.expense-detail > div { display: grid; gap: 0.25rem; }
.expense-detail span { color: var(--muted); }
.expense-detail .wide { grid-column: 1 / -1; }
.finance-disclaimer { margin: 0; padding: 0.45rem 0.7rem; border-radius: 0.45rem; color: #69410b; background: #fffaeb; }
.finance-filters { grid-template-columns: repeat(3, minmax(10rem, 1fr)) auto; }
.finance-kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.75rem; margin-bottom: 1rem; }
.finance-kpis article { display: grid; gap: 0.25rem; padding: 1rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.finance-kpis span, .finance-kpis small { color: var(--muted); }
.finance-kpis strong { font-size: 1.55rem; }
.finance-kpis .result { border-color: var(--business-primary); }
.finance-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.finance-breakdown { display: grid; grid-template-columns: 1fr auto; gap: 0.65rem 1rem; }
.finance-breakdown strong { text-align: right; }
.finance-breakdown .subtotal { padding-top: 0.6rem; border-top: 1px solid var(--border); }
.portfolio-note { display: grid; grid-template-columns: 1fr auto; gap: 0.25rem; margin-top: 1.2rem; padding: 0.8rem; border-radius: 0.5rem; background: #f6f8fb; }
.portfolio-note small { grid-column: 1 / -1; color: var(--muted); }
.expense-category-bars { display: grid; gap: 0.8rem; }
.expense-category-bars > div { display: grid; grid-template-columns: 1fr auto; gap: 0.25rem 1rem; }
.expense-category-bars progress { grid-column: 1 / -1; width: 100%; accent-color: var(--business-primary); }
.trend-list { display: grid; gap: 0.5rem; max-height: 24rem; overflow-y: auto; }
.trend-list > div { display: grid; grid-template-columns: 5rem 1fr 1fr; gap: 1rem; padding: 0.55rem; border-bottom: 1px solid var(--border); }
.receipt-body { color: #111; background: #fff; }
.receipt { width: min(100% - 2rem, 42rem); margin: 2rem auto; padding: 2rem; border: 1px solid #ddd; background: #fff; }
.receipt-header { text-align: center; }
.receipt-cancelled { display: grid; gap: 0.2rem; margin-bottom: 1.5rem; padding: 0.85rem; border: 3px solid #b42318; color: #b42318; text-align: center; }
.receipt-cancelled strong { font-size: 1.3rem; letter-spacing: 0.08em; }
.receipt-header img { max-width: 6rem; max-height: 6rem; object-fit: contain; }
.receipt-header h1 { margin-bottom: 0.25rem; }
.receipt-header p { margin: 0.15rem 0; }
.receipt-items { margin-block: 1.5rem; }
.receipt-totals { width: min(100%, 20rem); margin-left: auto; }
.receipt-totals p { display: flex; justify-content: space-between; margin: 0.35rem 0; }
.receipt-totals .receipt-total { padding-top: 0.5rem; border-top: 2px solid #111; font-size: 1.2rem; font-weight: 800; }
.receipt footer { margin-top: 2rem; text-align: center; white-space: pre-line; }
.print-button { display: flex; justify-content: center; margin: 1rem; }
.messages { display: grid; gap: 0.5rem; margin-bottom: 1rem; }
.message { padding: 0.75rem 1rem; border-radius: 0.5rem; background: #eef3f9; }
.message.success { color: var(--success); background: #ecfdf3; }
.message.error { color: var(--danger); background: #fef3f2; }

.auth-body { background: linear-gradient(135deg, var(--business-secondary), #f8fafc 60%); }
.auth-main { display: grid; place-items: center; min-height: 100vh; padding: 1.25rem; }
.auth-card { width: min(100%, 28rem); padding: 2rem; border: 1px solid var(--border); border-radius: 1rem; background: var(--surface); box-shadow: 0 1.5rem 4rem rgb(20 35 60 / 10%); }
.auth-brand { display: flex; align-items: center; gap: 1rem; }
.auth-brand h1 { margin: 0.2rem 0 0; font-size: 1.45rem; }
.error-card { display: grid; gap: 1rem; }
.error-card > p { margin: 0; color: var(--muted); }
.error-card .button { justify-self: start; }

@media (max-width: 900px) {
    .app-layout { grid-template-columns: 1fr; }
    .sidebar { position: fixed; left: 0; transform: translateX(-100%); width: 16rem; transition: transform 180ms ease; box-shadow: 1rem 0 2rem rgb(20 35 60 / 12%); }
    .sidebar.open { transform: translateX(0); }
    .menu-toggle { display: inline-block; }
    .app-header { padding-inline: 1rem; }
    .content { width: min(100% - 2rem, 75rem); }
    .form-section { grid-template-columns: 1fr; gap: 1rem; }
    .filter-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .filter-search { grid-column: 1 / -1; }
    .inventory-product-summary, .operation-preview { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .history-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .pos-layout { grid-template-columns: 1fr; }
    .current-sale { position: static; }
    .sales-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .customer-profile, .receivable-filters, .cash-summary-grid, .cash-session-detail, .expense-detail, .finance-kpis, .dashboard-kpis, .report-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .finance-grid { grid-template-columns: 1fr; }
    .report-hub { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dashboard-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .app-header { align-items: flex-start; }
    .user-menu summary { max-width: 8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .page-actions { align-items: stretch; flex-direction: column; }
    .form-grid { grid-template-columns: 1fr; }
    .filter-bar { grid-template-columns: 1fr; }
    .filter-search { grid-column: auto; }
    .detail-grid, .detail-list { grid-template-columns: 1fr; }
    .detail-grid .full-width, .detail-list .wide { grid-column: auto; }
    .inventory-summary { grid-template-columns: 1fr; }
    .inventory-product-summary, .operation-preview, .history-filters { grid-template-columns: 1fr; }
    .product-results, .discount-fields, .payment-fields, .sales-filters { grid-template-columns: 1fr; }
    .credit-fields, .credit-sale-summary, .customer-profile, .customer-filters, .receivable-filters, .cash-summary-grid, .cash-session-detail, .cash-filters, .expense-detail, .expense-filters, .finance-filters, .finance-kpis, .dashboard-kpis, .report-kpis, .report-hub, .report-split { grid-template-columns: 1fr; }
    .dashboard-heading, .dashboard-quick, .section-title-row { align-items: stretch; flex-direction: column; }
    .dashboard-primary { width: 100%; }
    .attention-list a { flex-direction: column; }
    .attention-list a span { text-align: left; }
    .sales-bars { gap: 0.25rem; overflow-x: auto; }
    .bar-value { font-size: 0.62rem; }
    .trend-list > div { grid-template-columns: 1fr; }
    .cash-heading, .cash-warning { align-items: stretch; flex-direction: column; }
    .cash-expected { text-align: left; }
    .sale-metadata { grid-template-columns: 1fr; }
    .cancellation-audit { grid-template-columns: 1fr; }
    .discount-fields .wide, .payment-fields .wide { grid-column: auto; }
    .form-field.wide { grid-column: auto; }
    .form-actions { flex-direction: column-reverse; }
    .form-actions .button { width: 100%; }
    .identity-preview { align-items: flex-start; flex-direction: column; }
    .table-panel { padding: 0.75rem; }
    table, tbody, tr, td { display: block; width: 100%; }
    thead { display: none; }
    tr { padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
    td { display: grid; grid-template-columns: 6rem 1fr; gap: 0.5rem; padding: 0.35rem; border: 0; }
    td::before { content: attr(data-label); color: var(--muted); font-size: 0.76rem; font-weight: 700; text-transform: uppercase; }
    .row-actions { display: flex; padding-top: 0.65rem; }
}

@media print {
    .sidebar, .app-header, .page-actions .button, .filter-bar, .pagination { display: none !important; }
    .app-layout { display: block; }
    .content { width: 100%; padding: 0; }
    .panel { break-inside: avoid; border-color: #bbb; }
    .print-button { display: none; }
    .receipt { width: 100%; margin: 0; padding: 0; border: 0; }
    .receipt-body { font-size: 11pt; }
}

/* Visual system refresh */
@media screen {
    :root {
        --ink: #172033;
        --ink-strong: #101828;
        --canvas: #f5f7fb;
        --surface-soft: #f8fafc;
        --border: #e4e8ef;
        --muted: #667085;
        --surface: #ffffff;
        --danger: #b42318;
        --danger-soft: #fff1f0;
        --warning: #b54708;
        --warning-soft: #fff8e6;
        --success: #067647;
        --success-soft: #ecfdf3;
        --radius-sm: 0.65rem;
        --radius: 0.9rem;
        --radius-lg: 1.25rem;
        --shadow-xs: 0 1px 2px rgb(16 24 40 / 5%);
        --shadow-sm: 0 4px 14px rgb(16 24 40 / 6%);
        --shadow-md: 0 14px 34px rgb(16 24 40 / 10%);
    }

    html { scroll-behavior: smooth; }
    body { color: var(--ink); background: var(--canvas); -webkit-font-smoothing: antialiased; }
    a { text-underline-offset: 0.18em; }
    button, a, summary, input, select, textarea { -webkit-tap-highlight-color: transparent; }
    .icon { width: 1.15rem; height: 1.15rem; flex: 0 0 auto; }
    .skip-link { position: fixed; top: 0.75rem; left: 0.75rem; transform: translateY(-150%); padding: 0.7rem 1rem; border-radius: 0.6rem; color: #fff; background: var(--ink-strong); z-index: 100; }
    .skip-link:focus { transform: translateY(0); }

    .app-layout { grid-template-columns: 17.25rem minmax(0, 1fr); background: var(--canvas); }
    .sidebar { overflow: hidden; width: 17.25rem; padding: 1.1rem 0.85rem; border: 0; color: #fff; background: linear-gradient(180deg, #101828 0%, #142238 58%, #172b46 100%); box-shadow: 0.5rem 0 2rem rgb(16 24 40 / 8%); }
    .brand { min-height: 3.5rem; padding: 0.35rem 0.5rem; color: #fff; border-radius: var(--radius-sm); }
    .brand:hover { background: rgb(255 255 255 / 6%); }
    .brand img, .auth-brand img { width: 2.8rem; height: 2.8rem; padding: 0.2rem; background: #fff; border-radius: 0.75rem; }
    .brand-mark { width: 2.8rem; height: 2.8rem; border: 1px solid rgb(255 255 255 / 20%); border-radius: 0.75rem; background: var(--business-primary); box-shadow: 0 0.4rem 1rem rgb(0 0 0 / 15%); }
    .brand-copy { display: grid; min-width: 0; line-height: 1.25; }
    .brand-copy strong { overflow: hidden; font-size: 0.95rem; text-overflow: ellipsis; white-space: nowrap; }
    .brand-copy small { color: #98a6ba; font-size: 0.7rem; font-weight: 500; }
    .main-nav { overflow-y: auto; gap: 0.15rem; margin: 1.2rem -0.15rem 0; padding: 0 0.15rem 1rem; scrollbar-width: thin; scrollbar-color: rgb(255 255 255 / 20%) transparent; }
    .main-nav { min-height: 0; scrollbar-color: #6f7e94 transparent; }
    .main-nav::-webkit-scrollbar { width: 0.38rem; }
    .main-nav::-webkit-scrollbar-thumb { border-radius: 999px; background: #6f7e94; }
    .nav-section-label { display: block; margin: 1rem 0.7rem 0.3rem; color: #8190a6; font-size: 0.65rem; font-weight: 800; letter-spacing: 0.11em; text-transform: uppercase; }
    .nav-section-label:first-child { margin-top: 0; }
    .nav-item { position: relative; display: flex; align-items: center; gap: 0.75rem; min-height: 2.65rem; padding: 0.65rem 0.75rem; border-radius: 0.7rem; color: #cbd5e1; font-size: 0.91rem; font-weight: 550; transition: color 160ms ease, background 160ms ease, transform 160ms ease; }
    .nav-item .icon { color: #8fa0b8; }
    .nav-item:hover { color: #fff; background: rgb(255 255 255 / 7%); transform: translateX(2px); }
    .nav-item:hover .icon { color: #fff; }
    .nav-item.active { color: var(--ink-strong); background: #fff; box-shadow: var(--shadow-sm); }
    .nav-item.active .icon { color: var(--business-primary); }
    .nav-item.active::before { position: absolute; left: -0.6rem; width: 0.22rem; height: 1.35rem; border-radius: 999px; background: var(--business-primary); content: ""; }
    .sidebar-bottom { gap: 0.15rem; padding-top: 0.8rem; border-top: 1px solid rgb(255 255 255 / 9%); }
    .sidebar-bottom .nav-section-label { margin-top: 0.85rem; }
    .sidebar-cta { gap: 0.55rem; min-height: 2.9rem; border: 1px solid rgb(255 255 255 / 16%); box-shadow: 0 0.6rem 1.4rem rgb(0 0 0 / 16%); }
    .sidebar-backdrop { display: none; }

    .app-main { min-height: 100vh; }
    .app-header { position: sticky; top: 0; min-height: 5.25rem; padding: 0.8rem clamp(1rem, 2.5vw, 2.5rem); border-color: rgb(228 232 239 / 85%); background: rgb(255 255 255 / 90%); box-shadow: var(--shadow-xs); backdrop-filter: blur(14px); z-index: 15; }
    .app-header h1 { color: var(--ink-strong); font-size: clamp(1.25rem, 2vw, 1.5rem); letter-spacing: -0.025em; }
    .header-titles { display: grid; gap: 0.12rem; }
    .header-context { color: var(--muted); font-size: 0.72rem; font-weight: 650; letter-spacing: 0.02em; }
    .menu-toggle { width: 2.65rem; height: 2.65rem; padding: 0; border: 1px solid var(--border); border-radius: 0.7rem; color: var(--ink); background: #fff; box-shadow: var(--shadow-xs); cursor: pointer; }
    .user-menu summary { display: flex; align-items: center; gap: 0.65rem; padding: 0.35rem 0.45rem 0.35rem 0.35rem; border-radius: 0.75rem; list-style: none; transition: background 160ms ease; }
    .user-menu summary::-webkit-details-marker { display: none; }
    .user-menu summary:hover { background: var(--surface-soft); }
    .user-avatar { display: grid; place-items: center; width: 2.35rem; height: 2.35rem; border-radius: 0.7rem; color: #fff; background: var(--business-primary); font-size: 0.82rem; font-weight: 800; box-shadow: inset 0 0 0 1px rgb(255 255 255 / 15%); }
    .user-summary-copy { display: grid; min-width: 0; line-height: 1.25; }
    .user-summary-copy strong { max-width: 15rem; overflow: hidden; color: var(--ink-strong); font-size: 0.85rem; text-overflow: ellipsis; white-space: nowrap; }
    .user-summary-copy small { color: var(--muted); font-size: 0.7rem; font-weight: 500; }
    .user-chevron { width: 0.85rem; height: 0.85rem; color: var(--muted); transform: rotate(90deg); transition: transform 160ms ease; }
    .user-menu[open] .user-chevron { transform: rotate(-90deg); }
    .user-menu-panel { top: calc(100% + 0.35rem); gap: 0.9rem; width: min(20rem, calc(100vw - 2rem)); padding: 1rem; margin: 0; border-radius: 0.9rem; box-shadow: var(--shadow-md); }
    .user-menu-panel > div { display: grid; gap: 0.15rem; padding-bottom: 0.8rem; border-bottom: 1px solid var(--border); }
    .user-menu-panel > div strong { font-size: 0.9rem; }
    .user-menu-panel > div span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

    .content { width: min(100% - clamp(2rem, 5vw, 5rem), 82rem); padding-block: clamp(1.5rem, 3vw, 2.5rem) 4rem; }
    .panel { border-color: var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); }
    .panel:hover { box-shadow: var(--shadow-sm); }
    .eyebrow { font-size: 0.7rem; letter-spacing: 0.11em; }
    .page-actions { min-height: 3rem; }

    .button { gap: 0.45rem; min-height: 2.75rem; padding: 0.65rem 1rem; border-radius: 0.7rem; font-size: 0.9rem; line-height: 1; box-shadow: var(--shadow-xs); transition: transform 150ms ease, box-shadow 150ms ease, filter 150ms ease, border-color 150ms ease; }
    .button:hover:not(:disabled) { transform: translateY(-1px); box-shadow: var(--shadow-sm); }
    .button:active:not(:disabled) { transform: translateY(0); }
    .button-primary { background: var(--business-primary); }
    .button-primary:hover:not(:disabled) { filter: brightness(1.08); }
    .button-secondary { color: #344054; border-color: #d8dee8; background: #fff; }
    .button-secondary:hover:not(:disabled) { border-color: #b8c2d0; background: var(--surface-soft); }
    .button-danger { background: var(--danger); }
    .button:disabled { opacity: 0.55; box-shadow: none; }

    .form-field { gap: 0.4rem; }
    .form-field label { color: #344054; font-size: 0.84rem; font-weight: 700; }
    .form-field input, .form-field select, .form-field textarea,
    .pos-search-panel input, .customer-picker-panel > input, .quick-customer-fields input {
        min-height: 2.85rem;
        border-color: #d0d7e2;
        border-radius: 0.65rem;
        color: var(--ink-strong);
        box-shadow: inset 0 1px 2px rgb(16 24 40 / 3%);
        transition: border-color 150ms ease, box-shadow 150ms ease;
    }
    .form-field input:hover, .form-field select:hover, .form-field textarea:hover,
    .pos-search-panel input:hover, .customer-picker-panel > input:hover { border-color: #aeb9c8; }
    .form-field input:focus, .form-field select:focus, .form-field textarea:focus,
    .pos-search-panel input:focus, .customer-picker-panel > input:focus {
        border-color: var(--business-primary);
        outline: 0;
        box-shadow: 0 0 0 3px color-mix(in srgb, var(--business-primary) 14%, transparent);
    }
    .form-field small { font-size: 0.76rem; }
    .form-panel { padding: clamp(1.25rem, 3vw, 2rem); }
    .form-section { padding: 1.5rem 0; border-bottom: 1px solid var(--border); }
    .form-section:first-child { padding-top: 0; }
    .form-section:last-of-type { border-bottom: 0; }

    .filter-bar { padding: 1.15rem; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-xs); }
    .responsive-table { border-radius: 0 0 var(--radius) var(--radius); }
    th { padding-block: 0.75rem; color: #667085; font-size: 0.7rem; letter-spacing: 0.04em; background: #fafbfc; }
    td { color: #344054; }
    tbody tr { transition: background 120ms ease; }
    tbody tr:hover { background: #fafbfc; }
    .table-panel { overflow: hidden; }
    .table-panel > .section-title-row { padding-bottom: 0.75rem; }
    .status, .stock-status { padding: 0.28rem 0.65rem; font-size: 0.72rem; }
    .message { display: flex; align-items: center; min-height: 3rem; border: 1px solid #dbe3ef; border-radius: 0.75rem; box-shadow: var(--shadow-xs); }
    .message.success { border-color: #a6f4c5; }
    .message.error { border-color: #fecdca; }

    .dashboard-heading { margin-bottom: 1.5rem; }
    .dashboard-heading h2 { margin: 0.32rem 0 0.2rem; color: var(--ink-strong); font-size: clamp(1.65rem, 3vw, 2.2rem); letter-spacing: -0.035em; }
    .dashboard-kpis, .report-kpis { gap: 1rem; margin-bottom: 1.1rem; }
    .dashboard-kpis article, .report-kpis article { position: relative; overflow: hidden; gap: 0.35rem; min-height: 9.5rem; padding: 1.25rem; border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); }
    .dashboard-kpis article::after { position: absolute; right: -2.2rem; bottom: -3.5rem; width: 7rem; height: 7rem; border-radius: 50%; background: color-mix(in srgb, var(--business-primary) 7%, transparent); content: ""; }
    .dashboard-kpis article.accent { border-color: color-mix(in srgb, var(--business-primary) 45%, white); background: linear-gradient(145deg, #fff 50%, color-mix(in srgb, var(--business-secondary) 70%, white)); }
    .dashboard-kpis strong, .report-kpis strong { color: var(--ink-strong); font-size: clamp(1.45rem, 2.5vw, 1.8rem); letter-spacing: -0.025em; }
    .kpi-top { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; }
    .kpi-icon, .panel-title-icon { display: grid; place-items: center; width: 2.15rem; height: 2.15rem; border-radius: 0.65rem; color: var(--business-primary); background: var(--business-secondary); }
    .kpi-icon .icon, .panel-title-icon .icon { width: 1rem; height: 1rem; }
    .panel-title { display: flex; align-items: center; gap: 0.65rem; }
    .panel-title-icon.warning { color: var(--warning); background: var(--warning-soft); }
    .dashboard-quick { padding: 1rem 1.25rem; }
    .dashboard-quick .action-group { justify-content: flex-end; }
    .dashboard-attention { background: linear-gradient(145deg, #fff, #fffdf8); }
    .attention-list a { align-items: center; min-height: 3.3rem; padding: 0.8rem 0.9rem; border: 1px solid transparent; background: #f8fafc; }
    .attention-list a:hover { border-color: #e4e8ef; background: #fff; box-shadow: var(--shadow-xs); }
    .dashboard-cash { background: linear-gradient(145deg, #fff, color-mix(in srgb, var(--business-secondary) 45%, white)); }
    .trend-comparison { padding: 0.35rem 0.65rem; border-radius: 999px; color: var(--muted); background: var(--surface-soft); font-size: 0.78rem; }
    .sales-bars i { border-radius: 0.4rem 0.4rem 0.15rem 0.15rem; background: linear-gradient(180deg, color-mix(in srgb, var(--business-primary) 80%, white), var(--business-primary)); }
    .empty-row { padding: 2.5rem !important; text-align: center; }
    .empty-row > * { display: block; margin-inline: auto; }
    .empty-row-icon { display: grid; place-items: center; width: 2.8rem; height: 2.8rem; margin-bottom: 0.65rem; border-radius: 0.8rem; color: var(--business-primary); background: var(--business-secondary); }
    .empty-row small { margin-top: 0.2rem; color: var(--muted); }

    .sales-page-heading { margin-bottom: 1rem; }
    .sales-page-heading > div { display: grid; gap: 0.3rem; }
    .sales-page-heading p { margin: 0; }
    .sales-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.8rem; margin-bottom: 1rem; }
    .sales-summary article { display: flex; align-items: center; gap: 0.8rem; min-width: 0; padding: 0.9rem 1rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-xs); }
    .sales-summary article > div { display: grid; min-width: 0; }
    .sales-summary small { overflow: hidden; color: var(--muted); font-size: 0.73rem; text-overflow: ellipsis; white-space: nowrap; }
    .sales-summary strong { color: var(--ink-strong); font-size: 1.25rem; letter-spacing: -0.02em; }
    .sales-summary-icon { display: grid; place-items: center; flex: 0 0 auto; width: 2.25rem; height: 2.25rem; border-radius: 0.7rem; color: var(--business-primary); background: var(--business-secondary); }
    .sales-summary-icon .icon { width: 1rem; height: 1rem; }
    .sales-summary-icon.success { color: var(--success); background: var(--success-soft); }
    .sales-summary-icon.danger { color: var(--danger); background: var(--danger-soft); }

    .sales-filters { grid-template-columns: minmax(12rem, 1.7fr) repeat(5, minmax(7rem, 1fr)) auto; padding: 1rem; }
    .sales-filter-heading { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border); }
    .sales-filter-heading h2 { margin: 0; color: var(--ink-strong); font-size: 1rem; }
    .sales-filter-heading p { margin: 0.15rem 0 0; color: var(--muted); font-size: 0.78rem; }
    .filter-active { padding: 0.28rem 0.6rem; border-radius: 999px; color: var(--business-primary); background: var(--business-secondary); font-size: 0.7rem; font-weight: 750; white-space: nowrap; }
    .sales-filter-actions { display: flex; align-items: end; gap: 0.5rem; }
    .sales-filter-actions .button { min-width: 0; }
    .sales-results-heading { margin-bottom: 0; padding: 0.1rem 0 1rem; }
    .sales-results-heading p { margin: 0.15rem 0 0; font-size: 0.78rem; }
    .sales-table-panel time { display: grid; color: #344054; line-height: 1.25; }
    .sales-table-panel time small { color: var(--muted); font-size: 0.72rem; }
    .sale-number { font-weight: 750; text-decoration: none; }
    .sale-number:hover { text-decoration: underline; }
    .sale-total { color: var(--ink-strong); font-weight: 750; white-space: nowrap; }
    .sales-empty-state { padding: 3rem 1rem !important; text-align: center; }
    .sales-empty-state > * { margin-inline: auto; }
    .sales-empty-state strong { display: block; color: var(--ink-strong); font-size: 1rem; }
    .sales-empty-state p { max-width: 30rem; margin-block: 0.35rem 1rem; color: var(--muted); font-size: 0.86rem; }
    .sales-empty-icon { display: grid; place-items: center; width: 3.25rem; height: 3.25rem; margin-bottom: 0.8rem; border-radius: 1rem; color: var(--business-primary); background: var(--business-secondary); }
    .sales-empty-icon .icon { width: 1.35rem; height: 1.35rem; }

    .cash-warning { padding: 0.95rem 1.1rem; border-color: #f3ca52; border-radius: var(--radius); background: var(--warning-soft); box-shadow: var(--shadow-xs); }
    .pos-layout { grid-template-columns: minmax(0, 1.65fr) minmax(22rem, 0.9fr); gap: 1.25rem; }
    .pos-search-panel { padding: 1.25rem; }
    .pos-search-panel input { min-height: 3.25rem; padding-left: 1rem; }
    .category-chip { border-radius: 999px; font-size: 0.85rem; }
    .category-chip:hover { border-color: var(--business-primary); }
    .product-results { gap: 0.9rem; }
    .product-card { min-height: 9rem; padding: 1.1rem; border-radius: 0.85rem; box-shadow: var(--shadow-xs); }
    .product-card:hover:not(:disabled) { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
    .current-sale { top: 6.5rem; padding: 1.25rem; box-shadow: var(--shadow-sm); }
    .current-sale-heading { padding-bottom: 0.9rem; border-bottom: 1px solid var(--border); }
    .current-sale-heading h2 { color: var(--ink-strong); font-size: 1.25rem; }
    .current-sale-heading span { color: var(--muted); font-size: 0.82rem; }
    .empty-cart { border-color: #d8dee8; background: var(--surface-soft); }
    .customer-picker { border-radius: 0.8rem; background: #fcfcfd; }
    .sale-totals .grand-total { padding-top: 0.45rem; font-size: 1.45rem; }
    .credit-fields { border: 1px solid color-mix(in srgb, var(--business-primary) 15%, white); border-radius: 0.75rem; }
    .checkout-button { min-height: 3.4rem; border-radius: 0.8rem; }
    .pos-quick-checkout { position: sticky; top: -1.25rem; display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; margin: 0 -0.25rem 0.8rem; padding: 0.75rem 0.25rem; border-bottom: 1px solid var(--border); background: rgb(255 255 255 / 96%); backdrop-filter: blur(10px); z-index: 3; }
    .pos-quick-checkout > div { display: grid; line-height: 1.2; }
    .pos-quick-checkout span { color: var(--muted); font-size: 0.7rem; }
    .pos-quick-checkout strong { color: var(--ink-strong); font-size: 1.15rem; }
    .discount-fields { grid-template-columns: minmax(9rem, 1.35fr) minmax(6.5rem, 0.65fr); }

    .auth-body { background: #edf1f7; }
    .auth-main { padding: clamp(1rem, 4vw, 3rem); background: radial-gradient(circle at 12% 15%, color-mix(in srgb, var(--business-secondary) 75%, white), transparent 30%), #edf1f7; }
    .auth-shell { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(23rem, 0.88fr); width: min(100%, 68rem); min-height: 41rem; overflow: hidden; border: 1px solid rgb(255 255 255 / 60%); border-radius: 1.75rem; background: #fff; box-shadow: 0 2rem 5rem rgb(16 24 40 / 16%); }
    .auth-welcome { position: relative; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; padding: clamp(2rem, 5vw, 4rem); color: #fff; background: linear-gradient(145deg, #101828 0%, #183153 58%, color-mix(in srgb, var(--business-primary) 78%, #132238) 100%); }
    .auth-welcome::before, .auth-welcome::after { position: absolute; border: 1px solid rgb(255 255 255 / 9%); border-radius: 50%; content: ""; }
    .auth-welcome::before { right: -9rem; bottom: -8rem; width: 25rem; height: 25rem; }
    .auth-welcome::after { right: -2rem; bottom: -2rem; width: 12rem; height: 12rem; background: rgb(255 255 255 / 3%); }
    .auth-welcome > * { position: relative; z-index: 1; }
    .auth-welcome-brand { display: flex; align-items: center; gap: 0.75rem; }
    .auth-welcome-brand strong { font-size: 0.95rem; }
    .auth-welcome .eyebrow { color: #a9c7ff; }
    .auth-welcome h2 { max-width: 30rem; margin: 0.65rem 0 1rem; font-size: clamp(2.1rem, 4vw, 3.4rem); line-height: 1.05; letter-spacing: -0.045em; }
    .auth-welcome p:not(.eyebrow) { max-width: 31rem; margin: 0; color: #c8d2e0; font-size: 1rem; }
    .auth-benefits { display: grid; gap: 0.9rem; margin: 0; padding: 0; list-style: none; }
    .auth-benefits li { display: flex; align-items: center; gap: 0.7rem; color: #e7edf5; font-size: 0.88rem; }
    .auth-benefits .icon { width: 1.65rem; height: 1.65rem; padding: 0.3rem; border-radius: 50%; color: #fff; background: rgb(255 255 255 / 11%); }
    .auth-welcome > small { color: #8798af; }
    .auth-card { align-self: center; width: 100%; padding: clamp(2rem, 5vw, 3.5rem); border: 0; border-radius: 0; box-shadow: none; }
    .auth-brand { margin-bottom: 1.5rem; }
    .auth-brand h1 { color: var(--ink-strong); font-size: 1.65rem; letter-spacing: -0.03em; }
    .auth-intro { margin: -0.5rem 0 1.5rem; color: var(--muted); }
    .auth-submit { justify-content: space-between; min-height: 3.1rem; margin-top: 0.35rem; padding-inline: 1.1rem; }
    .auth-submit .icon { width: 1rem; height: 1rem; }
    .auth-security { margin: 1.25rem 0 0; color: var(--muted); font-size: 0.73rem; text-align: center; }
}

@media screen and (max-width: 1450px) and (min-width: 901px) {
    .sales-filters { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .sales-filter-actions { grid-column: 1 / -1; justify-content: flex-end; }
}

@media screen and (max-height: 800px) and (min-width: 641px) {
    .product-form-actions { position: static; }
}

@media screen and (max-width: 1100px) {
    .app-layout { grid-template-columns: 15.75rem minmax(0, 1fr); }
    .sidebar { width: 15.75rem; }
    .pos-layout { grid-template-columns: minmax(0, 1.35fr) minmax(20rem, 0.9fr); }
    .sales-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sales-filters { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .sales-filter-actions { grid-column: 1 / -1; justify-content: flex-end; }
}

@media screen and (max-width: 900px) {
    body.sidebar-open { overflow: hidden; }
    .app-layout { grid-template-columns: 1fr; }
    .sidebar { width: min(19rem, calc(100vw - 3rem)); box-shadow: 1rem 0 3rem rgb(16 24 40 / 24%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-backdrop { position: fixed; inset: 0; display: block; visibility: hidden; border: 0; background: rgb(16 24 40 / 52%); opacity: 0; transition: opacity 180ms ease, visibility 180ms ease; z-index: 19; }
    body.sidebar-open .sidebar-backdrop { visibility: visible; opacity: 1; }
    .menu-toggle { display: inline-grid; place-items: center; }
    .content { width: min(100% - 2rem, 82rem); }
    .pos-layout { grid-template-columns: 1fr; }
    .current-sale { position: static; }
    .auth-shell { grid-template-columns: 1fr; width: min(100%, 31rem); min-height: auto; }
    .auth-welcome { display: none; }
    .auth-card { padding: clamp(1.75rem, 7vw, 3rem); }
    .sales-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sales-filters .filter-search { grid-column: 1 / -1; }
}

@media screen and (max-width: 640px) {
    .app-header { min-height: 4.6rem; padding-inline: 0.8rem; }
    .header-context { display: none; }
    .user-summary-copy { display: none; }
    .user-menu summary { gap: 0.25rem; padding: 0.2rem; }
    .user-chevron { display: none; }
    .content { width: min(100% - 1.25rem, 82rem); padding-top: 1.15rem; }
    .panel { padding: 1.1rem; border-radius: 1rem; }
    .dashboard-heading { align-items: stretch; }
    .dashboard-heading h2 { font-size: 1.65rem; }
    .dashboard-kpis article, .report-kpis article { min-height: 8.5rem; }
    .dashboard-quick .action-group { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
    .dashboard-quick .button { min-width: 0; white-space: normal; }
    .filter-bar { padding: 0.9rem; }
    .sales-summary { gap: 0.6rem; }
    .sales-summary article { padding: 0.8rem; }
    .sales-summary-icon { width: 2rem; height: 2rem; }
    .sales-summary strong { font-size: 1.05rem; }
    .sales-filters { grid-template-columns: 1fr; }
    .sales-filters .filter-search, .sales-filter-actions { grid-column: auto; }
    .sales-filter-heading { align-items: flex-start; }
    .sales-filter-heading p { display: none; }
    .product-editor-heading { align-items: stretch; flex-direction: column; }
    .product-editor-heading .button { width: 100%; }
    .product-form-section { padding: 0; }
    .product-section-heading { align-items: flex-start; padding: 1rem; }
    .product-fields-grid { grid-template-columns: 1fr; padding: 1rem; }
    .product-fields-grid > .wide { grid-column: auto; }
    .product-toggle { grid-template-columns: auto minmax(0, 1fr) auto; padding: 0.8rem; }
    .profit-preview, .inventory-dependent { grid-template-columns: 1fr; }
    .profit-preview > small { grid-column: auto; }
    .product-form-actions { position: static; align-items: stretch; flex-direction: column; }
    .product-form-actions > div { display: grid; grid-template-columns: 1fr 1fr; }
    .standard-form-intro { align-items: flex-start; }
    .standard-form-grid { grid-template-columns: 1fr; padding: 1rem; }
    .standard-form-grid > .form-errors, .standard-form-grid > .form-switch-field, .standard-form-grid > .standard-form-actions, .standard-form-grid > .form-field:has(textarea) { grid-column: auto; }
    .standard-form-actions { display: grid; grid-template-columns: 1fr 1fr; }
    .standard-form-summary { grid-template-columns: 1fr; }
    .sales-filter-actions { display: grid; grid-template-columns: 1fr 1fr; }
    .sales-empty-state { display: block; padding: 2.5rem 0.5rem !important; }
    .sales-empty-state::before { display: none; }
    .table-panel { padding: 0.9rem; }
    tbody tr:hover { background: transparent; }
    .empty-row { display: block; padding: 2rem 0.5rem !important; }
    .empty-row::before { display: none; }
    td[colspan], td:not([data-label]) { display: block; grid-template-columns: 1fr; }
    td[colspan]::before, td:not([data-label])::before { display: none; }
    .current-sale { padding: 1rem; }
    .pos-quick-checkout { top: -1rem; }
    .settings-nav { top: 5.2rem; margin-inline: -0.1rem; }
    .settings-save-bar { bottom: 0.5rem; align-items: stretch; flex-direction: column; }
    .settings-save-bar .button { width: 100%; }
    .auth-main { padding: 0.75rem; }
    .auth-shell { border-radius: 1.2rem; }
    .auth-card { padding: 1.6rem 1.25rem; }
}