:root {
    --retail-bg: #f6f7f9;
    --retail-surface: #ffffff;
    --retail-border: #dfe4ea;
    --retail-text: #20242a;
    --retail-muted: #667085;
    --retail-ink: #252525;
    --retail-accent: #d71920;
    --retail-accent-dark: #b9141a;
    --retail-teal: #0f766e;
    --retail-shadow: 0 18px 42px rgba(25, 35, 48, .08);
}

* {
    box-sizing: border-box;
}

body.retail-app,
body.retail-auth {
    background:
        linear-gradient(180deg, rgba(255,255,255,.72), rgba(246,247,249,.9)),
        var(--retail-bg);
    color: var(--retail-text);
    font-family: Inter, Arial, sans-serif;
    letter-spacing: 0;
    margin: 0;
}

body.retail-auth {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
}

.auth-panel {
    width: min(420px, 100%);
    background: var(--retail-surface);
    border: 1px solid var(--retail-border);
    border-radius: 8px;
    padding: clamp(20px, 5vw, 30px);
    box-shadow: var(--retail-shadow);
}

.auth-logo {
    width: min(245px, 80%);
    display: block;
    margin: 0 auto 22px;
}

.app-message {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    border: 1px solid var(--retail-border);
    border-left: 4px solid var(--retail-muted);
    background: #fff;
    border-radius: 10px;
    padding: 12px 14px;
    margin-bottom: 16px;
    box-shadow: 0 12px 26px rgba(25, 35, 48, .06);
    color: var(--retail-text);
}

.app-message i {
    font-size: 1.1rem;
    line-height: 1.35;
}

.app-message-success {
    border-left-color: #198754;
}

.app-message-success i {
    color: #198754;
}

.app-message-error {
    border-left-color: var(--retail-accent);
}

.app-message-error i {
    color: var(--retail-accent);
}

.app-message-warning {
    border-left-color: #f59f00;
}

.app-message-warning i {
    color: #f59f00;
}

.retail-toast {
    border: 0;
    border-left: 4px solid var(--retail-accent);
    border-radius: 12px;
    box-shadow: 0 18px 42px rgba(25, 35, 48, .18);
}

.retail-toast.toast-success {
    border-left-color: #198754;
}

.retail-toast.toast-warning {
    border-left-color: #f59f00;
}

.retail-toast .toast-body {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.invoice-print-area {
    background: #f8fafc;
    border: 1px solid var(--retail-border);
    border-radius: 12px;
    padding: 18px;
}

.invoice-print-area .print-sheet {
    background: #fff;
    border: 1px solid var(--retail-border);
    border-radius: 10px;
    padding: 24px;
}

.topbar {
    background: var(--retail-ink);
    color: #fff;
}

.topbar-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 22px;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    text-decoration: none;
    font-weight: 750;
    white-space: nowrap;
}

.brand-link:hover {
    color: #fff;
}

.brand-logo {
    width: 145px;
    max-width: 42vw;
    height: 36px;
    object-fit: contain;
    object-position: left center;
    background: #fff;
    border-radius: 8px;
    padding: 5px 8px;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.user-name {
    color: #e5e7eb;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid var(--retail-border);
    box-shadow: 0 10px 26px rgba(25, 35, 48, .06);
    backdrop-filter: blur(14px);
}

.menu-wrap {
    padding: 12px 22px;
}

.menu-strip {
    display: flex;
    align-items: stretch;
    gap: 10px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
    padding-bottom: 2px;
}

.menu-section {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: max-content;
}

.menu-links {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.menu-group {
    color: #8b95a1;
    font-size: .72rem;
    font-weight: 760;
    text-transform: uppercase;
    white-space: nowrap;
    margin-left: 0;
}

.menu-link {
    width: 86px;
    min-width: 86px;
    height: 74px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 6px;
    color: #344054;
    text-decoration: none;
    border: 1px solid var(--retail-border);
    border-radius: 8px;
    padding: 9px 8px;
    font-size: .78rem;
    font-weight: 740;
    line-height: 1.15;
    white-space: nowrap;
    background: #fff;
    box-shadow: 0 8px 18px rgba(25, 35, 48, .04);
    transition: border-color .18s ease, box-shadow .18s ease, color .18s ease, transform .18s ease;
}

.menu-link .bi {
    font-size: 1.45rem;
    line-height: 1;
}

.menu-link:hover,
.menu-link.active {
    background: #fff3f3;
    border-color: rgba(215,25,32,.22);
    color: var(--retail-accent);
    box-shadow: 0 12px 22px rgba(215,25,32,.10);
    transform: translateY(-1px);
}

.workspace {
    width: min(1180px, calc(100vw - 32px));
    margin: 28px auto;
}

.workspace.compact {
    width: min(1120px, calc(100vw - 32px));
}

.page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.page-title {
    margin: 0;
    font-size: clamp(1.25rem, 1.1rem + .5vw, 1.75rem);
    font-weight: 760;
}

.page-subtitle {
    color: var(--retail-muted);
    margin: 4px 0 0;
}

.panel {
    background: var(--retail-surface);
    border: 1px solid var(--retail-border);
    border-radius: 8px;
    padding: clamp(18px, 3vw, 26px);
    box-shadow: 0 10px 28px rgba(25, 35, 48, .05);
}

.panel + .panel,
.section-gap {
    margin-top: 18px;
}

.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.module-tile {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 116px;
    border: 1px solid var(--retail-border);
    border-radius: 8px;
    padding: 16px;
    color: var(--retail-text);
    text-decoration: none;
    background: #fff;
    transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.module-icon {
    width: 38px;
    height: 38px;
    display: inline-grid;
    place-items: center;
    border-radius: 8px;
    background: #fff3f3;
    color: var(--retail-accent);
    font-size: 1.25rem;
}

.module-tile:hover {
    border-color: rgba(215,25,32,.48);
    box-shadow: 0 14px 30px rgba(25, 35, 48, .08);
    transform: translateY(-1px);
}

.module-kicker {
    color: var(--retail-teal);
    font-size: .78rem;
    font-weight: 760;
    text-transform: uppercase;
}

.module-title {
    font-weight: 760;
}

.module-note {
    color: var(--retail-muted);
    font-size: .9rem;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.cart-panel {
    display: grid;
    gap: 18px;
}

.cart-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.cart-search {
    flex: 1 1 auto;
    width: 100%;
    min-width: 0;
}

.stock-results-wrap {
    border: 1px solid var(--retail-border);
    border-radius: 8px;
    max-height: min(58vh, 620px);
    overflow: auto;
}

.stock-filter-panel {
    border: 1px solid var(--retail-border);
    border-radius: 8px;
    background: #f8fafc;
    padding: 14px;
    margin-bottom: 12px;
}

.stock-scope-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.stock-scope-row .btn-check:checked + .btn {
    color: #fff;
    background: var(--retail-ink);
    border-color: var(--retail-ink);
}

.stock-results-wrap thead {
    position: sticky;
    top: 0;
    z-index: 1;
    background: #fff;
}

.stock-photo-button {
    width: 42px;
    height: 42px;
    display: inline-grid;
    place-items: center;
    border: 1px solid var(--retail-border);
    border-radius: 8px;
    background: #fff;
}

.stock-photo-button img {
    max-width: 24px;
    max-height: 24px;
}

.hover-zoom-trigger {
    cursor: pointer;
    transition: transform .1s ease;
}

.hover-zoom-trigger:hover {
    transform: scale(1.12);
    z-index: 20;
}

#globalZoomTooltip {
    position: fixed;
    display: none;
    z-index: 2000;
    pointer-events: none;
    padding: 10px;
    background: #fff;
    border: 1px solid var(--retail-border);
    border-radius: 8px;
    box-shadow: 0 18px 42px rgba(25, 35, 48, .18);
}

#globalZoomTooltip img {
    display: block;
    max-width: min(360px, 72vw);
    max-height: min(320px, 62vh);
    object-fit: contain;
}

.stock-photo-empty {
    width: 42px;
    height: 42px;
    display: inline-grid;
    place-items: center;
    color: #98a2b3;
}

.stock-photo-large {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
}

.cart-quantity {
    width: 82px;
}

.cart-stock-name {
    min-width: 220px;
    max-width: 460px;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: normal;
}

.cart-table-wrap {
    border: 1px solid var(--retail-border);
    border-radius: 8px;
    overflow: hidden;
}

.cart-summary {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 18px;
    border-top: 1px solid var(--retail-border);
    padding-top: 16px;
}

.cart-summary > div {
    min-width: 110px;
    text-align: right;
}

.summary-label {
    display: block;
    color: var(--retail-muted);
    font-size: .76rem;
    font-weight: 720;
    text-transform: uppercase;
}

.summary-total strong {
    color: var(--retail-accent);
    font-size: 1.18rem;
}

.btn-primary {
    --bs-btn-bg: var(--retail-accent);
    --bs-btn-border-color: var(--retail-accent);
    --bs-btn-hover-bg: var(--retail-accent-dark);
    --bs-btn-hover-border-color: var(--retail-accent-dark);
}

.form-label {
    color: #344054;
    font-size: .86rem;
    font-weight: 680;
}

.form-control,
.form-select {
    border-color: var(--retail-border);
    border-radius: 8px;
    min-height: 40px;
}

.form-control:focus,
.form-select:focus {
    border-color: rgba(215,25,32,.55);
    box-shadow: 0 0 0 .2rem rgba(215,25,32,.12);
}

.table {
    margin-bottom: 0;
    font-size: .9rem;
}

.table thead th {
    color: #475467;
    font-size: .78rem;
    text-transform: uppercase;
    white-space: nowrap;
}

.table td {
    vertical-align: middle;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 3px 9px;
    font-size: .78rem;
    font-weight: 700;
    background: #eef7f6;
    color: var(--retail-teal);
}

.status-pill.off {
    background: #f2f4f7;
    color: #667085;
}

.code-block {
    max-height: 360px;
    overflow: auto;
    background: #101828;
    color: #f2f4f7;
    border-radius: 8px;
    padding: 14px;
    font-size: .85rem;
}

.list-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 16px;
}

.card-list-panel {
    padding-top: 22px;
}

.card-list-panel .table {
    font-size: .86rem;
}

.card-list-panel .table thead th {
    background: #f8fafc;
    border-bottom-color: #cfd7e3;
    color: #344054;
    padding: 10px 9px;
}

.card-list-panel .table tbody td {
    border-color: #edf1f5;
    padding: 9px;
}

.card-list-panel .table tbody tr:hover td {
    background: #fbfcfe;
}

.card-list-panel .btn-sm {
    --bs-btn-padding-y: .25rem;
    --bs-btn-padding-x: .42rem;
    --bs-btn-font-size: .82rem;
}

.modal .modal-header,
.modal .modal-footer {
    background: #f8fafc;
}

.modal .modal-title {
    font-weight: 760;
}

@media (max-width: 768px) {
    body.retail-app {
        padding-bottom: 0;
    }

    .topbar-main {
        align-items: flex-start;
        flex-direction: column;
        padding-inline: 16px;
    }

    .topbar-user {
        width: 100%;
        justify-content: space-between;
    }

    .brand-logo {
        width: 132px;
        height: 34px;
    }

    .app-nav {
        position: sticky;
        top: 0;
        border-top: 0;
        border-bottom: 1px solid var(--retail-border);
        box-shadow: 0 10px 26px rgba(25, 35, 48, .08);
    }

    .menu-wrap {
        padding: 10px 12px;
    }

    .menu-strip {
        gap: 8px;
    }

    .menu-section {
        gap: 6px;
    }

    .menu-group {
        display: none;
    }

    .menu-link {
        width: 74px;
        min-width: 74px;
        height: 66px;
        justify-content: center;
        flex-direction: column;
        gap: 5px;
        padding: 7px 8px;
        font-size: .72rem;
    }

    .menu-link .bi {
        font-size: 1.12rem;
    }

    .workspace,
    .workspace.compact {
        width: min(100% - 24px, 1180px);
        margin-top: 18px;
    }

    .page-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .panel {
        padding: 16px;
    }

    .module-grid {
        grid-template-columns: 1fr;
    }

    .list-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .cart-toolbar,
    .cart-summary {
        align-items: stretch;
        flex-direction: column;
    }

    .cart-summary > div {
        min-width: 0;
        text-align: left;
    }
}