:root {
    color-scheme: light;
    --canvas: #f4f6f9;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --ink: #162033;
    --muted: #667085;
    --line: #d8dee8;
    --line-soft: #eaecf0;
    --primary: #175cd3;
    --primary-dark: #124ba9;
    --success: #067647;
    --danger: #b42318;
    --focus: rgba(23, 92, 211, 0.16);
}

* { box-sizing: border-box; }
body { min-height: 100vh; margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif; color: var(--ink); background: var(--canvas); }
.app-header { position: sticky; top: 0; z-index: 20; padding: 16px clamp(18px, 4vw, 64px); background: rgba(255,255,255,.92); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.header-inner { width: min(100%, 1440px); margin: auto; display: flex; align-items: center; justify-content: space-between; }
.brand-lockup { display: flex; align-items: center; gap: 12px; }
.brand { font-weight: 850; letter-spacing: -.03em; }
.module-name { padding-left: 12px; color: var(--muted); border-left: 1px solid var(--line); font-size: .9rem; }
.environment { padding: 6px 10px; color: #344054; background: #f2f4f7; border-radius: 999px; font-size: .75rem; font-weight: 750; }
.settings-control { position: relative; flex: 0 0 auto; margin-left: 8px; }
.settings-button { display: grid; width: 42px; min-width: 42px; height: 42px; padding: 9px; place-items: center; color: #344054; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.settings-button:hover { color: var(--primary); background: var(--surface-soft); border-color: #b9cdf2; }
.settings-button:focus-visible { outline: 4px solid var(--focus); border-color: var(--primary); }
.settings-button svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.settings-menu { position: absolute; z-index: 30; top: calc(100% + 9px); right: 0; width: 210px; padding: 8px; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 16px 40px rgba(16,24,40,.16); }
.settings-menu[hidden] { display: none; }
.settings-menu-title { padding: 8px 10px 10px; color: var(--muted); border-bottom: 1px solid var(--line-soft); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.settings-menu-link { display: block; margin-top: 6px; padding: 10px 11px; color: var(--ink); border-radius: 8px; font-weight: 750; text-decoration: none; }
.settings-menu-link:hover,.settings-menu-link:focus-visible { color: var(--primary); background: #eff6ff; outline: none; }
.settings-menu .settings-logout { display: block; width: 100%; min-height: 40px; margin-top: 6px; padding: 9px 11px; color: var(--danger); background: transparent; border: 0; border-radius: 8px; box-shadow: none; text-align: left; }
.settings-menu .settings-logout:hover,.settings-menu .settings-logout:focus-visible { color: #912018; background: #fff1f0; border: 0; outline: none; }
.pos-header .settings-button { color: #fff; background: #ffffff12; border-color: #ffffff50; }
.pos-header .settings-button:hover,.pos-header .settings-button:focus-visible { color: #fff; background: #ffffff20; border-color: #fff; }
main { width: min(calc(100% - 32px), 1440px); margin: auto; padding: 42px 0 64px; }
.page-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.master-heading-row { display:flex; align-items:center; justify-content:space-between; gap:20px; }
.master-heading-row .page-heading { margin:0; }
.master-heading-row .master-button-bar { flex:0 0 auto; }
.eyebrow { margin: 0 0 7px; color: var(--primary); font-size: .75rem; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(2rem, 4vw, 2.8rem); letter-spacing: -.045em; }
.intro { margin: 9px 0 0; color: var(--muted); line-height: 1.55; }
form { display: grid; gap: 20px; }
.form-card, .lines-card, .totals-card { overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 10px 30px rgba(16,24,40,.04); }
.form-section { display: block; margin: 0; padding: 26px 28px; border: 0; }
.form-section + .form-section { border-top: 1px solid var(--line-soft); }
.form-section h2, .form-section summary { margin: 0 0 20px; font-size: 1rem; font-weight: 780; }
.form-section summary { cursor: pointer; list-style-position: outside; }
.form-section[open] summary { margin-bottom: 20px; }
.form-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.full-width { grid-column: span 2; }
label { font-size: .84rem; font-weight: 650; }
.required { color: var(--danger); }
input, select { width: 100%; min-width: 88px; padding: 10px 12px; font: inherit; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 8px; outline: none; transition: border-color 150ms ease, box-shadow 150ms ease; }
input:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 4px var(--focus); }
input[readonly] { color: #344054; background: #f2f4f7; }
.checkbox-field { align-self: end; min-height: 42px; display: flex; align-items: center; gap: 9px; padding: 0 3px; }
.checkbox-field input { width: 18px; min-width: 18px; height: 18px; accent-color: var(--primary); }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 28px; border-bottom: 1px solid var(--line-soft); }
.section-heading h2 { margin: 0; font-size: 1.05rem; }
.section-heading p { margin: 5px 0 0; color: var(--muted); font-size: .86rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; min-width: 1200px; border-collapse: collapse; }
th { padding: 11px 8px; color: #475467; background: var(--surface-soft); border-bottom: 1px solid var(--line); font-size: .72rem; letter-spacing: .025em; text-align: left; text-transform: uppercase; }
td { padding: 8px; border-bottom: 1px solid var(--line-soft); }
tbody tr:last-child td { border-bottom: 0; }
td:nth-child(1) { width: 42px; }
td:nth-child(2), td:nth-child(5) { width: 88px; }
td:nth-child(3) { width: 110px; }
td:nth-child(4) { min-width: 220px; }
td:nth-child(n+6):nth-child(-n+10) { width: 125px; }
.line-number { color: var(--muted); text-align: center; font-size: .82rem; font-weight: 750; }
.icon-button { width: 34px; min-width: 34px; height: 34px; padding: 0; color: var(--danger); background: #fff; border: 1px solid #f1c7c3; border-radius: 7px; font-size: 1.25rem; line-height: 1; }
.icon-button:hover { background: #fff5f4; }
.totals-card { display: flex; justify-content: flex-end; padding: 24px 28px; }
.totals-grid { width: min(100%, 520px); display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 15px; }
.totals-grid label { display: flex; flex-direction: column; gap: 6px; }
.total-highlight { grid-column: 1 / -1; padding-top: 15px; border-top: 1px solid var(--line); }
.total-highlight span { color: var(--primary); font-size: .95rem; }
.total-highlight input { font-size: 1.25rem; font-weight: 800; }
.form-message { min-height: 24px; margin: 2px 0 -2px; color: var(--success); font-weight: 650; }
.form-message-error { color: var(--danger); }
.actions { position: sticky; bottom: 0; z-index: 10; display: flex; justify-content: flex-end; gap: 11px; padding: 16px 18px; background: rgba(255,255,255,.94); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 -8px 30px rgba(16,24,40,.06); backdrop-filter: blur(12px); }
button { min-width: 118px; padding: 10px 16px; font: inherit; font-weight: 720; border: 1px solid transparent; border-radius: 8px; cursor: pointer; }
.button-primary { color: #fff; background: var(--primary); }
.button-primary:hover { background: var(--primary-dark); }
.button-secondary { color: #344054; background: #fff; border-color: var(--line); }
.button-secondary:hover { background: var(--surface-soft); }
.button-update { color: var(--primary); border-color: #b9cdf2; }
button:disabled { cursor: wait; opacity: .65; }
button[aria-disabled="true"] { cursor:not-allowed; opacity:.48; filter:grayscale(.35); }
noscript { display: block; margin: 40px; text-align: center; }

/* Shared operation result shown after form save/update/approve/delete requests. */
.toast { position:fixed; z-index:10020; top:18px; left:50%; width:min(520px,calc(100% - 32px)); padding:13px 18px; border:1px solid transparent; border-radius:10px; color:#fff; font-weight:700; text-align:center; box-shadow:0 12px 30px rgba(15,23,42,.25); transform:translateX(-50%); }
.toast[hidden] { display:none; }
.toast-info { background:#2563eb; border-color:#1d4ed8; }
.toast-success { background:#15803d; border-color:#166534; }
.toast-error { background:#b91c1c; border-color:#991b1b; }
.toast-validation { background:#d97706; border-color:#b45309; }

@media (max-width: 1050px) { .form-grid { grid-template-columns: repeat(3,minmax(0,1fr)); } }
@media (max-width: 760px) {
    main { width: min(calc(100% - 20px), 1440px); padding-top: 28px; }
    .form-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .full-width { grid-column: 1 / -1; }
    .page-heading { align-items: flex-start; }
    .page-heading > button { display: none; }
    .master-heading-row { align-items:stretch; flex-direction:column; }
    .master-heading-row .master-button-bar { width:100%; overflow-x:auto; }
}
@media (max-width: 520px) {
    .form-grid, .totals-grid { grid-template-columns: 1fr; }
    .full-width, .total-highlight { grid-column: auto; }
    .form-section, .section-heading, .totals-card { padding: 21px 18px; }
    .actions {
        position: fixed;
        right: 10px;
        bottom: max(10px, env(safe-area-inset-bottom));
        left: 10px;
        display: grid;
        grid-template-columns: .75fr 1fr 1fr;
        gap: 8px;
        padding: 10px;
    }
    .actions button {
        width: 100%;
        min-width: 0;
        padding: 10px 7px;
        font-size: .82rem;
    }
    #sales-order-form { padding-bottom: 76px; }
    .environment { display: none; }
}
.module-home { min-height: calc(100vh - 72px); }
.module-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 340px)); gap: 20px; }
.module-card { display: flex; flex-direction: column; gap: 9px; min-height: 180px; padding: 26px; color: var(--ink); text-decoration: none; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 10px 30px rgba(16,24,40,.04); transition: transform 150ms ease, border-color 150ms ease, box-shadow 150ms ease; }
.module-card:hover { transform: translateY(-2px); border-color: #b9cdf2; box-shadow: 0 16px 38px rgba(16,24,40,.08); }
.module-card:focus-visible { outline: 4px solid var(--focus); border-color: var(--primary); }
.module-card-label { color: var(--primary); font-size: .75rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.module-card strong { margin-top: 12px; font-size: 1.3rem; letter-spacing: -.02em; }
.module-card > span:last-child { color: var(--muted); line-height: 1.5; }
.formatted-date { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; }
.formatted-date > input[type="text"] { padding-right: 12px; border-radius: 8px 0 0 8px; cursor: pointer; }
.formatted-date-picker { position: absolute; z-index: 2; top: 0; right: 0; width: 44px; height: 100%; padding: 0; opacity: 0; cursor: pointer; }
.date-picker-button { min-width: 44px; padding: 10px; color: var(--primary); background: #f5f8ff; border: 1px solid var(--line); border-left: 0; border-radius: 0 8px 8px 0; font-size: .76rem; }
.date-picker-button:hover { background: #eaf1ff; }

/* Shared GRN-sized table columns. Unclassified text columns divide remaining space. */
table.erp-standard-columns { width: 100% !important; table-layout: fixed !important; }
table.erp-standard-columns .erp-col-hidden { display: none !important; }
table.erp-standard-columns .erp-col-remove { width: 48px !important; min-width: 48px !important; max-width: 48px !important; padding-right: 6px !important; padding-left: 6px !important; text-align: center !important; }
table.erp-standard-columns .erp-col-number { width: 32px !important; min-width: 32px !important; max-width: 32px !important; padding-right: 4px !important; padding-left: 4px !important; text-align: center !important; }
table.erp-standard-columns .erp-col-select { width: 76px !important; min-width: 76px !important; max-width: 76px !important; text-align: center !important; }
table.erp-standard-columns .erp-col-code { width: 96px !important; min-width: 96px !important; max-width: 96px !important; }
table.erp-standard-columns .erp-col-uom { width: 82px !important; min-width: 82px !important; max-width: 82px !important; }
table.erp-standard-columns .erp-col-qty { width: 100px !important; min-width: 100px !important; max-width: 100px !important; text-align: right !important; }
table.erp-standard-columns .erp-col-tax { width: 135px !important; min-width: 135px !important; max-width: 135px !important; }
table.erp-standard-columns .erp-col-money { width: 148px !important; min-width: 148px !important; max-width: 148px !important; text-align: right !important; }
table.erp-standard-columns th:not([class*="erp-col-"]),table.erp-standard-columns td:not([class*="erp-col-"]) { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
table.erp-standard-columns td.erp-col-money input,table.erp-standard-columns td.erp-col-qty input { text-align: right !important; }

/* Shared editable-table standard. */
table td input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([readonly]):not(:disabled),
table td textarea:not([readonly]):not(:disabled),
table td select:not(:disabled) {
    color: #172033 !important;
    background: #fff !important;
}
table th input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([readonly]):not(:disabled),
table th textarea:not([readonly]):not(:disabled),
table th select:not(:disabled) {
    color: #172033 !important;
    background: #fff !important;
}
table input[type="number"] { appearance: textfield; -moz-appearance: textfield; }
table input[type="number"]::-webkit-inner-spin-button,
table input[type="number"]::-webkit-outer-spin-button { margin: 0; appearance: none; -webkit-appearance: none; }
table td input[readonly]:not([type="hidden"]),
table td input:disabled:not([type="checkbox"]):not([type="radio"]),
table td select:disabled,
table td textarea:disabled {
    padding-right: 0 !important;
    padding-left: 0 !important;
    border-color: transparent !important;
    outline: 0 !important;
    color: inherit !important;
    background: transparent !important;
    box-shadow: none !important;
    appearance: none;
    opacity: 1;
    cursor: default;
}
table .remove-cell,
table th.remove-cell {
    width: 48px !important;
    min-width: 48px !important;
    max-width: 48px !important;
    padding-right: 6px !important;
    padding-left: 6px !important;
    text-align: center !important;
}
table .remove-line-button {
    display: inline-flex;
    width: 34px;
    min-width: 34px;
    max-width: 34px;
    height: 34px;
    min-height: 34px;
    padding: 7px;
    align-items: center;
    justify-content: center;
    border: 1px solid #fecaca;
    border-radius: 9px;
    background: #fff;
}
table .remove-line-button img { width: 18px; height: 18px; }
table .money-cell { position: relative; }
table .money-cell .currency-code { position: absolute; z-index: 1; top: 50%; left: 10px; color: #64748b; font-size: .72rem; font-weight: 800; pointer-events: none; transform: translateY(-50%); }
table .money-cell input { padding-left: 42px !important; text-align: right; font-variant-numeric: tabular-nums; }
table .money-cell input[readonly],
table .money-cell input:disabled { padding-left: 42px !important; }
.table-plain-control { display: none !important; }
.table-cell-value { display: block; width: 100%; overflow: hidden; color: inherit; text-overflow: ellipsis; white-space: nowrap; }
.money-cell .table-cell-value { padding-left: 34px; text-align: right; font-variant-numeric: tabular-nums; }
.is-approved table .remove-line-button,
.is-locked table .remove-line-button { display: none; }

table .table-toggle-input { position: relative !important; display: inline-block !important; width: 38px !important; min-width: 38px !important; max-width: 38px !important; height: 22px !important; min-height: 22px !important; margin: 0 !important; padding: 0 !important; border: 0 !important; border-radius: 999px !important; outline: 0; appearance: none; background: #cbd5e1 !important; vertical-align: middle; cursor: pointer; transition: background .15s; }
table .table-toggle-input::after { position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(15,23,42,.3); content: ""; transition: transform .15s; }
table .table-toggle-input:checked { background: #2563eb !important; }
table .table-toggle-input:checked::after { transform: translateX(16px); }
table .table-toggle-input:focus-visible { box-shadow: 0 0 0 3px rgba(37,99,235,.25) !important; }
table .table-toggle-input:disabled { cursor: not-allowed; opacity: .55; }

.api-processing { position:fixed; inset:0; z-index:10000; display:grid; place-items:center; background:rgba(8,20,39,.42); backdrop-filter:blur(2px); }
.api-processing[hidden] { display:none !important; }
.api-processing-card { display:flex; min-width:190px; padding:24px; flex-direction:column; align-items:center; border-radius:17px; background:#fff; color:#172033; box-shadow:0 20px 55px rgba(4,17,38,.3); }
.api-processing-card strong { margin-top:10px; font-size:20px; }
.api-processing-card small { margin-top:3px; color:#64748b; }
.api-spinner { width:42px; height:42px; border:5px solid #d9e6f8; border-top-color:#2563eb; border-radius:50%; animation:api-spin .75s linear infinite; }
@keyframes api-spin { to { transform:rotate(360deg); } }

/* Shared unsaved-changes confirmation used by every ERP module. */
.erp-unsaved-dialog { width:min(520px,calc(100vw - 32px)); max-width:none; padding:0; overflow:visible; border:0; border-radius:24px; background:transparent; color:#14213d; box-shadow:0 28px 80px rgba(8,20,39,.34); }
.erp-unsaved-dialog::backdrop { background:rgba(8,20,39,.62); backdrop-filter:blur(5px); }
.erp-unsaved-card { position:relative; display:grid; grid-template-columns:72px minmax(0,1fr); gap:18px; padding:30px; border:1px solid rgba(255,255,255,.72); border-radius:24px; background:linear-gradient(145deg,#fff 0%,#fff 70%,#fff8f1 100%); }
.erp-unsaved-close { position:absolute; top:17px; right:17px; display:grid; width:42px; height:42px; padding:0; place-items:center; border:0; border-radius:50%; background:#eef3f9; color:#5f6f86; font:400 28px/1 Arial,sans-serif; cursor:pointer; transition:background .15s,color .15s,transform .15s; }
.erp-unsaved-close:hover,.erp-unsaved-close:focus-visible { background:#e2eaf4; color:#14213d; outline:3px solid rgba(37,99,235,.18); transform:scale(1.03); }
.erp-unsaved-icon { display:grid; width:72px; height:72px; place-items:center; border-radius:22px; background:#fff0e1; color:#dc5a18; }
.erp-unsaved-icon svg { width:35px; height:35px; fill:none; stroke:currentColor; stroke-width:2.1; stroke-linecap:round; stroke-linejoin:round; }
.erp-unsaved-copy { min-width:0; padding:2px 48px 0 0; }
.erp-unsaved-copy small { display:block; margin-bottom:7px; color:#d64d16; font-size:12px; font-weight:900; letter-spacing:.11em; }
.erp-unsaved-copy h2 { margin:0; color:#14213d; font-size:27px; line-height:1.15; letter-spacing:-.025em; }
.erp-unsaved-copy p { margin:11px 0 0; color:#66758c; font-size:15px; line-height:1.55; }
.erp-unsaved-actions { display:flex; grid-column:1/-1; gap:12px; justify-content:flex-end; margin-top:8px; padding-top:20px; border-top:1px solid #e4eaf2; }
.erp-unsaved-actions button { min-width:142px; min-height:48px; padding:0 22px; border-radius:12px; font:800 14px/1 Inter,"Segoe UI",Arial,sans-serif; cursor:pointer; transition:transform .15s,box-shadow .15s,background .15s; }
.erp-unsaved-actions button:hover { transform:translateY(-1px); }
.erp-unsaved-stay { border:1px solid #ccd8e7; background:#fff; color:#263a58; }
.erp-unsaved-stay:hover,.erp-unsaved-stay:focus-visible { border-color:#9fb2cb; background:#f6f9fc; outline:3px solid rgba(37,99,235,.14); }
.erp-unsaved-leave { border:1px solid #d8531c; background:#e65b1f; color:#fff; box-shadow:0 8px 20px rgba(220,80,24,.22); }
.erp-unsaved-leave:hover,.erp-unsaved-leave:focus-visible { border-color:#bd3f0c; background:#cf4711; outline:3px solid rgba(230,91,31,.2); }
@media (max-width:560px) {
    .erp-unsaved-card { grid-template-columns:58px minmax(0,1fr); gap:14px; padding:22px; }
    .erp-unsaved-icon { width:58px; height:58px; border-radius:18px; }
    .erp-unsaved-icon svg { width:29px; height:29px; }
    .erp-unsaved-copy { padding-right:34px; }
    .erp-unsaved-copy h2 { font-size:22px; }
    .erp-unsaved-actions { flex-direction:column-reverse; }
    .erp-unsaved-actions button { width:100%; }
}