/* ==========================================================================
   Store ERP — Stylesheet
   One shared stylesheet for every page. Organized as:
     1. Reset & base
     2. Design tokens
     3. Layout (sidebar / main)
     4. Header / toolbar
     5. Icons
     6. Buttons
     7. Cards, tables, badges, alerts
     8. Stat tiles
     9. Modals & forms
     10. Sale builder (POS rows)
     11. Login page
     12. Responsive
     13. Print
   ========================================================================== */

/* 1. Reset & base --------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    background: var(--b50);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
}

body.modal-open {
    overflow: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

h1, h2, h3, p {
    font-family: inherit;
}

/* 2. Design tokens --------------------------------------------------------- */
:root {
    /* brand blues */
    --b50: #f1f8ff;
    --b100: #e2f1ff;
    --b200: #c9e5fa;
    --b500: #4d9bd1;
    --b600: #347fb4;
    --b700: #25658f;
    --b800: #174c70;
    --b900: #103b58;

    /* neutrals */
    --ink: #172033;
    --border: #d7e5ef;
    --muted: #66788c;
    --white: #fff;

    /* status */
    --green: #198754;
    --green-dark: #157347;
    --yellow: #b8860b;
    --yellow-dark: #96700a;
    --red: #d64550;
    --red-dark: #b93843;

    /* complementary accents — used sparingly on dashboard stat cards */
    --violet: #7c3aed;
    --violet-dark: #5b21b6;
    --violet-light: #f2ecfe;
    --teal: #0e93a6;
    --teal-dark: #0b7285;
    --teal-light: #e2f6fa;
    --amber: #d97706;
    --amber-dark: #b45309;
    --amber-light: #fef3e0;

    /* type scale — 12px is the floor for any body copy */
    --fs-xs: 12px;
    --fs-sm: 13px;
    --fs-md: 14px;
    --fs-lg: 17px;
    --fs-xl: 22px;
    --fs-xxl: 28px;

    /* spacing scale */
    --sp-1: 4px;
    --sp-2: 8px;
    --sp-3: 12px;
    --sp-4: 16px;
    --sp-5: 20px;
    --sp-6: 28px;

    /* shape */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 14px;
    --shadow-card: 0 2px 9px rgba(23, 76, 112, .06);
    --shadow-pop: 0 18px 50px rgba(16, 59, 88, .16);

    --sidebar-w: 240px;
}

/* 3. Layout ----------------------------------------------------------------- */
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-w);
    background: var(--white);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 18px 12px;
    z-index: 20;
    overflow-y: auto;
}

.brand {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 4px 9px 20px;
}

.brand-mark {
    flex: none;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--b700);
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: var(--fs-md);
}

.brand b {
    display: block;
    color: var(--b900);
    font-size: var(--fs-md);
}

.brand small {
    display: block;
    color: var(--muted);
    font-size: var(--fs-xs);
    margin-top: 2px;
}

.sidebar nav {
    flex: 1;
}

.sidebar nav a {
    display: flex;
    gap: 11px;
    align-items: center;
    padding: 10px 11px;
    border-radius: var(--radius-sm);
    color: #55677a;
    font-size: var(--fs-sm);
    font-weight: 600;
    margin: 2px 0;
    transition: background .12s ease, color .12s ease;
}

.sidebar nav a i {
    flex: none;
    width: 16px;
    text-align: center;
    font-size: 15px;
    color: #93a4b3;
    transition: color .12s ease;
}

.sidebar nav a:hover {
    background: var(--b50);
    color: var(--b700);
}

.sidebar nav a:hover i {
    color: var(--b700);
}

.sidebar nav a.active {
    background: var(--b700);
    color: #fff;
}

.sidebar nav a.active i {
    color: #fff;
}

.nav-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 700;
    color: #96a5b2;
    padding: 16px 11px 6px;
}

.sidebar-bottom {
    border-top: 1px solid var(--border);
    padding: 13px 10px 0;
    color: #55677a;
    font-size: var(--fs-xs);
}

.sidebar-bottom .whoami {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.sidebar-bottom .whoami i {
    color: var(--b600);
}

.signout {
    display: flex;
    align-items: center;
    gap: 7px;
    color: var(--red);
    margin-top: 10px;
    font-weight: 600;
    font-size: var(--fs-xs);
}

.main {
    margin-left: var(--sidebar-w);
    padding: 27px 32px 48px;
    min-height: 100vh;
}

/* 4. Header / toolbar -------------------------------------------------------- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 22px;
}

.page-header h1 {
    margin: 0;
    color: var(--b900);
    font-size: var(--fs-xxl);
    letter-spacing: -.01em;
}

.muted {
    color: var(--muted);
    margin: 6px 0 0;
    font-size: var(--fs-sm);
}

.page-tools {
    display: flex;
    gap: 9px;
    align-items: center;
    flex-wrap: wrap;
}

.page-back {
    margin: 0 0 14px;
    display: inline-flex;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0 12px;
    height: 42px;
}

.search-box .icon {
    color: #93a4b3;
    display: flex;
    font-size: 14px;
}

.search-box input {
    border: 0;
    outline: 0;
    width: 220px;
    height: 100%;
    padding: 0;
    font-size: var(--fs-sm);
    background: transparent;
}

.date-filter-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--muted);
}

.date-filter-label input[type="date"] {
    height: 42px;
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: var(--fs-sm);
    background: #fff;
}

.filter-select {
    height: 42px;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--b800);
    font-weight: 600;
    font-size: var(--fs-sm);
    cursor: pointer;
}

/* Filter dropdown (category product view) ------------------------------- */
.filter-wrap {
    position: relative;
}

.filter-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    margin-left: 7px;
}

.filter-panel {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 260px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-pop);
    padding: 16px;
    z-index: 30;
}

.filter-panel.show {
    display: block;
}

.filter-panel-title {
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--b800);
    margin-bottom: 12px;
}

.filter-panel-row {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 14px;
}

.filter-panel-row .date-filter-label {
    justify-content: space-between;
    width: 100%;
}

.filter-panel-row .date-filter-label input[type="date"] {
    flex: 1;
    max-width: 150px;
}

.filter-panel-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* 5. Icons -------------------------------------------------------------------
   Icon font: Flaticon UIcons (regular-rounded), loaded per-page via CDN link
   in <head>. Classes look like: <i class="fi fi-rr-search"></i>
   ---------------------------------------------------------------------------- */
.fi {
    line-height: 1;
    vertical-align: -1px;
}

.btn .fi,
.page-back .fi,
.page-tools > a.btn > .fi,
.icon-label i {
    margin-right: 6px;
    font-size: 13px;
}

.icon-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* 6. Buttons ------------------------------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: var(--radius-sm);
    padding: 10px 15px;
    cursor: pointer;
    font-size: var(--fs-xs);
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
    transition: background .12s ease, box-shadow .12s ease, opacity .12s ease;
}

.btn:active {
    opacity: .85;
}

.btn:focus-visible {
    outline: 2px solid var(--b500);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--green);
    color: #fff;
}
.btn-primary:hover {
    background: var(--green-dark);
}

/* "Add new" call-to-action buttons — kept visually louder than the rest of
   the toolbar so the primary action on each page is unmistakable. */
.btn-add {
    padding: 11px 18px;
    font-size: var(--fs-sm);
    box-shadow: 0 4px 12px rgba(25, 135, 84, .28);
    transform: translateY(0);
}
.btn-add .fi {
    font-size: 15px;
}
.btn-add:hover {
    box-shadow: 0 6px 16px rgba(25, 135, 84, .36);
    transform: translateY(-1px);
}
.btn-add:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--b100);
    color: var(--b800);
}
.btn-secondary:hover {
    background: var(--b200);
}

.btn-edit {
    background: var(--yellow);
    color: #fff;
}
.btn-edit:hover {
    background: var(--yellow-dark);
}

.btn-danger {
    background: var(--red);
    color: #fff;
}
.btn-danger:hover {
    background: var(--red-dark);
}

.btn-view {
    background: #198754;
    color: white;
    border: 1px solid transparent;
}
.btn-view:hover {
    background: var(--green-dark);
}

.btn-sm {
    padding: 7px 10px;
    font-size: var(--fs-xs);
}

.btn-sm .fi {
    margin-right: 5px;
    font-size: 12px;
}

.actions {
    white-space: nowrap;
    display: flex;
    gap: 6px;
    align-items: center;
}

.inline {
    display: inline;
}

/* 7. Cards, tables, badges, alerts --------------------------------------------- */
.content-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: box-shadow .18s ease, transform .18s ease;
}

.table-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: linear-gradient(180deg, #fbfdff, #fff);
    border-bottom: 1px solid var(--border);
    gap: 12px;
    flex-wrap: wrap;
}

.table-heading > div:first-child {
    display: flex;
    align-items: center;
    gap: 12px;
}

.table-heading h2 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--b900);
    font-size: var(--fs-lg);
    font-weight: 800;
    letter-spacing: -.01em;
}

.table-heading h2 .fi,
.table-heading h2 > i {
    display: grid;
    place-items: center;
    flex: none;
    width: 32px;
    height: 32px;
    border-radius: 9px;
    background: var(--b100);
    color: var(--b700);
    font-size: 14px;
    margin: 0;
}

.table-heading span {
    font-size: var(--fs-xs);
    color: var(--muted);
}

.table-wrap {
    overflow: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--fs-sm);
}

th {
    text-align: left;
    background: var(--b50);
    color: var(--b800);
    text-transform: uppercase;
    font-size: var(--fs-xs);
    letter-spacing: .05em;
    font-weight: 800;
    border-bottom: 2px solid var(--b200);
}

th,
td {
    padding: 13px 14px;
    border-bottom: 1px solid #e9f0f5;
}

tbody tr {
    border-left: 3px solid transparent;
    transition: background .12s ease, border-color .12s ease;
}

tbody tr:hover {
    background: #fbfdff;
}

/* Rows needing attention: low stock varieties, unpaid / partially paid balances */
tbody tr.row-low-stock,
tbody tr.row-unpaid {
    border-left: 3px solid var(--red);
    background: #fff9f9;
}

tbody tr.row-low-stock:hover,
tbody tr.row-unpaid:hover {
    background: #fef1f1;
}

.empty,
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #8c99a6;
    font-size: var(--fs-sm);
}

.welcome-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 9px 16px 9px 9px;
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--b800);
}

.welcome-chip i {
    display: grid;
    place-items: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--b100);
    color: var(--b700);
    font-size: 12px;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: var(--fs-xs);
    font-weight: 500;
    text-transform: lowercase;
}

.badge.active,
.badge.paid {
    background: #e8f7ee;
    color: #167244;
}

.badge.inactive {
    background: #edf1f4;
    color: #68737d;
}

.badge.unpaid {
    background: #fff0e9;
    color: #a54f18;
}

.badge.partially_paid {
    background: #fff7d7;
    color: #876900;
}

.badge.stock-in {
    background: #dcfce7;
    color: #166534;
}

.badge.stock-out {
    background: #fee2e2;
    color: #991b1b;
}

.badge.adjustment-in {
    background: #dbeafe;
    color: #1e40af;
}

.badge.adjustment-out {
    background: #fef3c7;
    color: #92400e;
}

.stock.low {
    color: var(--red);
    font-weight: 800;
}

.alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: var(--fs-sm);
    font-weight: 500;
}

.alert-success {
    background: #e9f8ef;
    color: #176b40;
    border: 1px solid #c8ead6;
}

.alert-danger {
    background: #fdecee;
    color: #9c2b38;
    border: 1px solid #f0cbd1;
}

/* 8. Stat tiles ----------------------------------------------------------------- */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.stat {
    position: relative;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 19px 18px 18px;
    overflow: hidden;
    transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}

.stat:hover {
    box-shadow: 0 12px 26px rgba(23, 76, 112, .10);
    transform: translateY(-2px);
    border-color: var(--b200);
}

.stat .stat-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stat small {
    color: var(--muted);
    font-size: var(--fs-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.stat i {
    flex: none;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: var(--b100);
    color: var(--b700);
    font-size: 15px;
}

.stat strong {
    display: block;
    color: var(--b900);
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -.01em;
    margin-top: 12px;
}

.stat > small:last-child {
    display: block;
    color: var(--muted);
    text-transform: none;
    font-weight: 600;
    letter-spacing: 0;
    margin-top: 4px;
}

/* Semantic accents — each stat gets its own soft color wash so the row reads
   at a glance, using colors that complement the blue theme rather than fight it. */
.stat-products {
    background: linear-gradient(160deg, var(--violet-light) 0%, #fff 60%);
    border-color: #e4d7fb;
}
.stat-products i {
    background: #fff;
    color: var(--violet);
    box-shadow: 0 2px 8px rgba(124, 58, 237, .20);
}
.stat-products strong {
    color: var(--violet-dark);
}

.stat-customers {
    background: linear-gradient(160deg, var(--teal-light) 0%, #fff 60%);
    border-color: #c9edf3;
}
.stat-customers i {
    background: #fff;
    color: var(--teal);
    box-shadow: 0 2px 8px rgba(14, 147, 166, .20);
}
.stat-customers strong {
    color: var(--teal-dark);
}

.stat-sales {
    background: linear-gradient(160deg, #e5f8ee 0%, #fff 60%);
    border-color: #c3ecd3;
}
.stat-sales i {
    background: #fff;
    color: var(--green-dark);
    box-shadow: 0 2px 8px rgba(21, 115, 71, .20);
}
.stat-sales strong {
    color: var(--green-dark);
}

.stat-credit {
    background: linear-gradient(160deg, var(--amber-light) 0%, #fff 60%);
    border-color: #f7dea6;
}
.stat-credit i {
    background: #fff;
    color: var(--amber);
    box-shadow: 0 2px 8px rgba(217, 119, 6, .20);
}
.stat-credit strong {
    color: var(--amber-dark);
}

/* Dashboard-specific: quick action tiles + activity grid ----------------------- */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
}

.quick-action {
    display: flex;
    align-items: center;
    gap: 13px;
    background: #fff;
    padding: 18px 20px;
    transition: background .12s ease;
}

.quick-action:hover {
    background: var(--b50);
}

.quick-action i {
    flex: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: grid;
    place-items: center;
    background: var(--b100);
    color: var(--b700);
    font-size: 17px;
}

.quick-action strong {
    display: block;
    color: var(--b900);
    font-size: var(--fs-sm);
}

.quick-action span {
    display: block;
    color: var(--muted);
    font-size: var(--fs-xs);
    margin-top: 2px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 18px;
    margin-top: 18px;
}

.dashboard-grid .content-card:first-child {
    grid-row: span 2;
}

/* Dashboard charts --------------------------------------------------------------- */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin-top: 18px;
}

.chart-card:hover {
    box-shadow: 0 14px 30px rgba(23, 76, 112, .10);
}

.chart-card .table-heading h2 {
    display: flex;
    align-items: center;
    gap: 9px;
}

.chart-pad {
    padding: 24px 26px 28px;
    background: linear-gradient(180deg, #fbfdff 0%, #ffffff 60%);
}

/* Vertical bar chart — last 7 days sales */
.chart-bars {
    position: relative;
    display: flex;
    align-items: flex-end;
    gap: 12px;
    height: 190px;
    padding-top: 6px;
    background-image: repeating-linear-gradient(
        to top,
        var(--border) 0,
        var(--border) 1px,
        transparent 1px,
        transparent 25%
    );
    background-size: 100% 100%;
}

.chart-bar-col {
    flex: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    gap: 7px;
    position: relative;
}

.chart-bar-value {
    font-size: 11px;
    font-weight: 800;
    color: var(--b800);
    white-space: nowrap;
    opacity: .85;
    transition: opacity .18s ease, color .18s ease;
}

.chart-bar {
    width: 100%;
    max-width: 30px;
    min-height: 5px;
    background: linear-gradient(180deg, var(--b400, #6fb2df), var(--b600));
    border-radius: 8px 8px 3px 3px;
    box-shadow: 0 4px 10px rgba(52, 127, 180, .18);
    transition: height .3s ease, background .18s ease, box-shadow .18s ease;
}

.chart-bar-col:hover .chart-bar {
    background: linear-gradient(180deg, var(--b600), var(--b800));
    box-shadow: 0 6px 14px rgba(23, 76, 112, .28);
}

.chart-bar-col:hover .chart-bar-value {
    opacity: 1;
    color: var(--b900);
}

.chart-bar-col:last-child .chart-bar {
    background: linear-gradient(180deg, var(--green), var(--green-dark));
    box-shadow: 0 4px 10px rgba(25, 135, 84, .22);
}

.chart-bar-col:last-child .chart-bar-value {
    color: var(--green-dark);
    opacity: 1;
}

.chart-bar-label {
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--muted);
}

.chart-bar-col:last-child .chart-bar-label {
    color: var(--green-dark);
}

/* Donut charts — payment mix, stock health */
.chart-donut-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.donut {
    flex: none;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    box-shadow: 0 10px 26px rgba(23, 76, 112, .16), inset 0 0 0 1px rgba(255, 255, 255, .5);
}

.donut-hole {
    width: 104px;
    height: 104px;
    border-radius: 50%;
    background: #fff;
    display: grid;
    place-items: center;
    text-align: center;
    box-shadow: inset 0 0 0 1px var(--border), 0 2px 6px rgba(23, 76, 112, .06);
}

.donut-hole strong {
    display: block;
    color: var(--b900);
    font-size: 21px;
    font-weight: 800;
    line-height: 1.1;
}

.donut-hole small {
    display: block;
    color: var(--muted);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-top: 4px;
}

.chart-legend {
    display: grid;
    gap: 8px;
    min-width: 160px;
}

.legend-row {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: var(--fs-sm);
    color: var(--muted);
    font-weight: 600;
    padding: 9px 12px;
    border-radius: 9px;
    background: var(--b50);
    transition: background .15s ease;
}

.legend-row:hover {
    background: var(--b100);
}

.legend-row strong {
    margin-left: auto;
    padding-left: 14px;
    color: var(--b900);
    font-size: var(--fs-md);
    font-weight: 800;
}

.legend-dot {
    flex: none;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, .6), 0 0 0 4px currentColor;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .18);
}

/* Horizontal bar chart — top products */
.chart-hbar-row {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 30px;
    align-items: center;
    gap: 13px;
    padding: 10px 10px 10px 40px;
    border-radius: 9px;
    transition: background .15s ease;
    counter-increment: hbar-rank;
}

.chart-pad {
    counter-reset: hbar-rank;
}

.chart-hbar-row::before {
    content: counter(hbar-rank);
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--b100);
    color: var(--b700);
    font-size: 11px;
    font-weight: 800;
    display: grid;
    place-items: center;
}

.chart-hbar-row:first-child::before {
    background: var(--b700);
    color: #fff;
}

.chart-hbar-row:hover {
    background: var(--b50);
}

.chart-hbar-row:not(:last-child) {
    margin-bottom: 2px;
}

.chart-hbar-label {
    grid-column: 1 / 2;
    grid-row: 1;
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 6px;
}

.chart-hbar-track {
    grid-column: 1 / 2;
    grid-row: 2;
    height: 11px;
    border-radius: 6px;
    background: var(--b50);
    box-shadow: inset 0 1px 2px rgba(23, 76, 112, .08);
    overflow: hidden;
}

.chart-hbar-fill {
    height: 100%;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--b400, #6fb2df), var(--b700));
    transition: width .3s ease;
}

.chart-hbar-row:first-child .chart-hbar-fill {
    background: linear-gradient(90deg, var(--b600), var(--b900));
}

.chart-hbar-value {
    grid-column: 2 / 3;
    grid-row: 1 / span 2;
    font-size: var(--fs-sm);
    font-weight: 800;
    color: var(--b800);
    text-align: right;
}

/* 9. Modals & forms --------------------------------------------------------------- */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(16, 59, 88, .28);
}

.modal.show {
    display: flex;
}

.modal-card {
    width: min(540px, 100%);
    max-height: 90vh;
    overflow: auto;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-pop);
}

.modal-wide {
    width: min(700px, 100%);
}

.modal-xwide {
    width: min(900px, 100%);
}

.confirm-card {
    text-align: center;
    width: min(400px, 100%);
}

.confirm-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--b100);
    color: var(--b700);
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: 18px;
    margin: 0 auto 12px;
}

.modal-card h3 {
    margin: 0;
    color: var(--b900);
    font-size: 19px;
}

.modal-subtitle {
    font-size: var(--fs-xs);
    color: var(--muted);
    margin: 6px 0 18px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.form-grid label {
    font-size: var(--fs-xs);
    font-weight: 700;
    color: #5e6c7b;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
    display: block;
    width: 100%;
    margin-top: 6px;
    padding: 10px 11px;
    border: 1px solid #cbdce8;
    border-radius: var(--radius-sm);
    background: #fff;
    outline: 0;
    font-size: var(--fs-sm);
}

.form-grid textarea {
    min-height: 80px;
    resize: vertical;
}

.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
    border-color: var(--b500);
    box-shadow: 0 0 0 3px rgba(77, 155, 209, .14);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 20px;
}

.sale-view-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px 20px;
    background: var(--b50);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    margin-bottom: 16px;
}

.sale-view-row {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.sale-view-row span {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .04em;
    font-weight: 700;
    color: var(--muted);
}

.sale-view-row strong {
    font-size: var(--fs-sm);
    color: var(--b900);
}

/* 10. Sale builder (POS rows) ------------------------------------------------------ */
.sale-items {
    display: grid;
    gap: 8px;
    margin-bottom: 10px;
}

.sale-row {
    display: grid;
    grid-template-columns: 1fr 100px 110px 70px;
    gap: 8px;
    align-items: end;
    background: var(--b50);
    border: 1px solid var(--b200);
    padding: 10px;
    border-radius: 9px;
}

.sale-row label {
    font-size: var(--fs-xs);
    font-weight: 700;
    color: #5e6c7b;
}

.sale-row input,
.sale-row select {
    width: 100%;
    margin-top: 5px;
    padding: 9px;
    border: 1px solid #cbdce8;
    border-radius: 7px;
    background: #fff;
    font-size: var(--fs-sm);
}

.line-total {
    font-weight: 800;
    color: var(--b800);
    padding: 9px;
    font-size: var(--fs-sm);
}

.total {
    text-align: right;
    font-size: var(--fs-xl);
    font-weight: 800;
    color: var(--b900);
    padding: 12px;
}

/* 10b. Tabs + POS sale builder (click-to-add cart) ---------------------------------- */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 18px;
}

.tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 0;
    padding: 11px 4px;
    margin-right: 22px;
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: color .12s ease, border-color .12s ease;
}

.tab-btn:hover {
    color: var(--b700);
}

.tab-btn.active {
    color: var(--b800);
    border-bottom-color: var(--b700);
}

.pos-grid {
    display: grid;
    grid-template-columns: 1fr 460px;
    gap: 18px;
    align-items: start;
}

.pos-products-heading {
    flex-wrap: wrap;
    gap: 14px;
}

.pos-search {
    display: flex;
    gap: 10px;
}

.pos-search .search-box.wide {
    flex: 1;
}

.pos-search .filter-select {
    flex: none;
    width: 200px;
}

.pos-search {
    padding: 14px 20px 0;
}

.search-box.wide {
    width: 100%;
}

.search-box.wide input {
    width: 100%;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 14px;
    padding: 18px 20px 22px;
    max-height: 620px;
    overflow-y: auto;
}

.product-card {
    text-align: left;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 15px;
    cursor: pointer;
    transition: box-shadow .15s ease, transform .15s ease, border-color .15s ease;
}

.product-card:hover {
    border-color: var(--b500);
    box-shadow: 0 8px 18px rgba(23, 76, 112, .10);
    transform: translateY(-2px);
}

.product-card strong {
    display: block;
    color: var(--b900);
    font-size: var(--fs-sm);
    line-height: 1.3;
    margin-bottom: 8px;
}

.product-price {
    color: var(--red-dark, #b93843);
    font-weight: 800;
    font-size: var(--fs-md);
    margin-bottom: 10px;
}

.product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
}

.stock-label {
    font-size: 11px;
    color: var(--muted);
    font-weight: 600;
}

.stock-label.low {
    color: var(--red);
    font-weight: 800;
}

.product-card.out-of-stock {
    opacity: .5;
    cursor: not-allowed;
}

.product-card.out-of-stock:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border);
}

/* Cart panel ------------------------------------------------------------------------ */
.cart-panel {
    position: sticky;
    top: 20px;
    display: flex;
    flex-direction: column;
    overflow: visible;
}

.cart-header {
    background: linear-gradient(135deg, var(--b800), var(--b900));
    color: #fff;
    padding: 16px 18px;
}

.cart-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cart-header-top .icon-label {
    font-weight: 800;
    font-size: var(--fs-md);
}

.cart-minimize {
    background: rgba(255, 255, 255, .15);
    border: 0;
    color: #fff;
    width: 26px;
    height: 26px;
    border-radius: 7px;
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
}

.cart-date {
    font-size: var(--fs-xs);
    opacity: .8;
    margin-top: 4px;
}

.cart-panel.collapsed form {
    display: none;
}

.cart-body {
    padding: 16px 18px 4px;
    min-height: 140px;
}

.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #a7b6c2;
    font-size: var(--fs-sm);
    padding: 34px 10px;
}

.cart-empty i {
    font-size: 34px;
    color: var(--b200);
}

.cart-items {
    display: grid;
    gap: 4px;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid #eef3f7;
}

.cart-item-info strong {
    display: block;
    font-size: var(--fs-md);
    color: var(--b900);
    line-height: 1.3;
}

.cart-item-info span {
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--b700);
}

.cart-item-right {
    flex: none;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.cart-item-remove {
    background: transparent;
    border: 0;
    color: var(--red);
    cursor: pointer;
    font-size: 19px;
    padding: 2px;
    line-height: 1;
}

.cart-item-total {
    font-size: var(--fs-sm);
    font-weight: 800;
    color: var(--b800);
}

/* Toast — stock / add-to-cart feedback ---------------------------------- */
.stock-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--b900);
    color: #fff;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: var(--fs-sm);
    font-weight: 600;
    box-shadow: var(--shadow-pop);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
    z-index: 2000;
    max-width: min(360px, calc(100vw - 40px));
    text-align: center;
}

.stock-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.cart-fields {
    padding: 14px 18px 0;
    display: grid;
    gap: 12px;
    border-top: 1px dashed var(--border);
    margin-top: 8px;
}

.cart-fields label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .04em;
    font-weight: 700;
    color: var(--muted);
}

.cart-fields input,
.cart-fields select {
    display: block;
    width: 100%;
    margin-top: 6px;
    padding: 10px 11px;
    border: 1px solid #cbdce8;
    border-radius: var(--radius-sm);
    background: #fff;
    outline: 0;
    font-size: var(--fs-sm);
}

.cart-totals {
    padding: 14px 18px;
    margin-top: 6px;
}

.cart-total-row {
    display: flex;
    justify-content: space-between;
    font-size: var(--fs-sm);
    color: var(--muted);
    padding: 4px 0;
}

.cart-total-row.grand {
    font-size: var(--fs-lg);
    color: var(--b900);
    font-weight: 800;
    border-top: 1px solid var(--border);
    margin-top: 4px;
    padding-top: 10px;
}

.btn-complete {
    width: calc(100% - 36px);
    margin: 4px 18px 18px;
    padding: 13px;
    font-size: var(--fs-sm);
}

.btn-complete:disabled {
    opacity: .45;
    cursor: not-allowed;
}

/* 11. Login page ---------------------------------------------------------------------- */
.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--b50), var(--b100));
}

.login-card {
    width: 390px;
    max-width: calc(100vw - 32px);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 34px;
    box-shadow: 0 18px 50px rgba(23, 76, 112, .12);
    text-align: center;
}

.login-card .brand-mark {
    margin: auto;
    width: 46px;
    height: 46px;
    font-size: var(--fs-lg);
}

.login-card h1 {
    margin: 14px 0 4px;
    color: var(--b900);
    font-size: var(--fs-xl);
}

.login-card p {
    color: var(--muted);
    font-size: var(--fs-xs);
    margin: 0;
}

.login-form {
    text-align: left;
    display: grid;
    gap: 14px;
    margin-top: 22px;
}

.login-form label {
    font-size: var(--fs-xs);
    font-weight: 700;
    color: #5e6c7b;
}

.login-form input {
    display: block;
    width: 100%;
    margin-top: 6px;
    padding: 11px;
    border: 1px solid #cbdce8;
    border-radius: var(--radius-sm);
    font-size: var(--fs-sm);
}

.login-form input:focus {
    outline: 0;
    border-color: var(--b500);
    box-shadow: 0 0 0 3px rgba(77, 155, 209, .14);
}

.login-form .btn {
    width: 100%;
    margin-top: 6px;
    padding: 12px;
    font-size: var(--fs-sm);
}

.hint {
    margin-top: 16px;
    padding: 11px;
    background: var(--b50);
    border-radius: var(--radius-sm);
    color: var(--muted);
    font-size: var(--fs-xs);
}

/* 12. Responsive ------------------------------------------------------------------------ */
@media (max-width: 900px) {
    .sidebar {
        width: 205px;
    }
    .main {
        margin-left: 205px;
        padding: 20px;
    }
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-header {
        flex-direction: column;
    }
    .page-tools {
        width: 100%;
    }
    .search-box {
        flex: 1;
    }
    .search-box input {
        width: 100%;
    }
    .pos-grid {
        grid-template-columns: 1fr;
    }
    .cart-panel {
        position: static;
    }
    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .dashboard-grid .content-card:first-child {
        grid-row: auto;
    }
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        min-height: 0;
    }
    .sidebar nav {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    .nav-label {
        grid-column: 1 / -1;
    }
    .sidebar-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .main {
        margin: 0;
        padding: 15px;
    }
    .stats {
        grid-template-columns: 1fr;
    }
    .page-tools {
        flex-wrap: wrap;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .quick-actions {
        grid-template-columns: 1fr;
    }
    .chart-pad {
        padding: 18px;
    }
    .chart-bars {
        height: 150px;
        gap: 6px;
    }
    .chart-bar-value {
        font-size: 10px;
    }
    .donut {
        width: 120px;
        height: 120px;
    }
    .donut-hole {
        width: 78px;
        height: 78px;
    }
    .chart-donut-wrap {
        gap: 20px;
    }
    .chart-hbar-row {
        grid-template-columns: 1fr 26px;
        gap: 8px;
        padding-left: 34px;
    }
    .chart-hbar-row::before {
        width: 20px;
        height: 20px;
        font-size: 10px;
    }
    .sale-row {
        grid-template-columns: 1fr 90px;
    }
    .sale-row .line-total,
    .sale-row .remove {
        grid-column: auto;
    }
    .modal-card {
        max-height: 94vh;
    }
}

/* 13. Print ------------------------------------------------------------------------------ */
@media print {
    .sidebar,
    .no-print,
    .page-tools {
        display: none !important;
    }
    .main {
        margin: 0;
    }
    .content-card {
        box-shadow: none;
    }
}

/* 14. Sale view modal (redesigned) ---------------------------------------- */
.sale-view-card { padding: 0; }

.sale-view-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 24px 14px;
}

.sale-view-heading { display: flex; align-items: center; gap: 12px; }

.sale-view-icon {
    width: 40px; height: 40px; border-radius: 50%;
    background: #fdecee; color: var(--red-dark);
    display: grid; place-items: center; font-size: 16px;
}

.sale-view-heading h3 { margin: 0; }

.sale-view-close {
    background: transparent; border: 0; color: var(--muted);
    font-size: 18px; cursor: pointer; width: 32px; height: 32px;
    display: grid; place-items: center; border-radius: 50%;
    transition: background .12s ease, color .12s ease;
}
.sale-view-close:hover { background: var(--b50); color: var(--b800); }

.sale-view-ref-row {
    padding: 0 24px 16px;
    border-bottom: 1px solid var(--border);
}

.sale-view-ref-row .ref-code {
    font-size: var(--fs-sm);
    font-weight: 800;
    color: var(--b800);
}

.sale-view-card .table-wrap { padding: 0 24px; }
.sale-items-table { font-size: var(--fs-sm); }
.sale-items-table th { background: #fafcfe; }
.sale-items-table tbody tr:nth-child(even) { background: #fef8f8; }
.sale-items-table tbody tr:hover { background: #fdecee; }

.cat-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 10px; border-radius: 20px;
    background: #e8f7ee; color: #167244;
    font-size: 11px; font-weight: 700;
}
.cat-badge i { font-size: 11px; }

.sale-view-summary {
    padding: 14px 24px; border-top: 1px solid var(--border);
    display: grid; gap: 4px;
}
.sale-view-summary-row {
    display: flex; justify-content: flex-end; gap: 10px;
    font-size: var(--fs-sm); color: var(--muted);
}
.sale-view-summary-row.grand {
    font-size: var(--fs-lg); font-weight: 800; color: var(--b900);
}
.sale-view-summary-row.grand strong { color: var(--red-dark); }

.sale-view-card .modal-actions { padding: 16px 24px 22px; margin-top: 0; }