:root {
    --green: #00a651;
    --green-dark: #07843f;
    --green-soft: #e9f8ef;
    --border: #e5e7eb;
    --text: #1f2937;
    --muted: #6b7280;
    --blue: #2563eb;
    --red: #dc2626;
    --orange: #f59e0b
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f4f6f8;
    color: var(--text);
    font-size: 14px
}

.login-bg {
    min-height: 100vh;
    background: linear-gradient(135deg,#008f45,#00b45a 45%,#f4fff7);
    display: flex;
    align-items: center;
    justify-content: center
}

.login-card {
    width: 390px;
    background: #fff;
    border-radius: 18px;
    padding: 34px;
    box-shadow: 0 20px 60px rgba(0,0,0,.2)
}

.brand-logo {
    width: 78px;
    height: 78px;
    object-fit: contain
}

.topbar {
    height: 48px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 18px;
    gap: 14px
}

    .topbar img {
        height: 34px
    }

    .topbar .brand {
        font-weight: 700;
        color: var(--green-dark);
        font-size: 20px
    }

.main-nav {
    background: var(--green);
    height: 48px;
    display: flex;
    align-items: center;
    padding: 0 14px;
    gap: 2px;
    box-shadow: 0 2px 4px rgba(0,0,0,.08)
}

    .main-nav a {
        color: #fff;
        text-decoration: none;
        padding: 15px 18px;
        height: 48px;
        font-weight: 600
    }

        .main-nav a:hover, .main-nav a.active {
            background: var(--green-dark)
        }

.sell-btn {
    margin-left: auto;
    background: #fff !important;
    color: var(--green-dark) !important;
    border-radius: 8px;
    height: 34px !important;
    padding: 8px 20px !important
}

.page {
    display: flex;
    min-height: calc(100vh - 96px)
}

.sidebar {
    width: 250px;
    background: #fff;
    border-right: 1px solid var(--border);
    padding: 18px
}

.content {
    flex: 1;
    padding: 18px;
    overflow: auto
}

.panel {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 1px 2px rgba(0,0,0,.03)
}

    .panel.pad {
        padding: 18px
    }

.toolbar {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 12px
}

.search {
    max-width: 520px
}

.btn-green {
    background: var(--green);
    border-color: var(--green);
    color: #fff
}

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

.table-wrap {
    overflow: auto
}

.kv-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff
}

    .kv-table th {
        background: #f2fbf5;
        color: #374151;
        font-weight: 700;
        border-bottom: 1px solid var(--border);
        padding: 12px;
        white-space: nowrap
    }

    .kv-table td {
        border-bottom: 1px solid var(--border);
        padding: 12px;
        vertical-align: middle
    }

    .kv-table tr:hover {
        background: #fbfffc
    }

.filters h6 {
    font-weight: 700;
    margin-top: 18px
}

.pill {
    display: inline-block;
    background: var(--green-soft);
    color: var(--green-dark);
    border: 1px solid #b8eccb;
    padding: 5px 10px;
    border-radius: 18px;
    margin: 3px
}

.metric {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px
}

    .metric .label {
        color: var(--muted)
    }

    .metric .value {
        font-size: 24px;
        font-weight: 800
    }

.pagination {
    margin: 16px 0 0;
    justify-content: flex-end
}

.pos-page {
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: #eef1f4
}

.pos-nav {
    height: 46px;
    background: var(--green);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 16px;
    color: #fff
}

.pos-search {
    width: 360px
}

.pos-body {
    display: flex;
    flex: 1;
    overflow: hidden
}

.pos-left {
    flex: 1;
    padding: 14px;
    overflow: auto
}

.pos-right {
    width: 360px;
    background: #fff;
    border-left: 1px solid var(--border);
    padding: 18px
}

.product-line {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 10px;
    padding: 14px;
    display: grid;
    grid-template-columns: 80px 1fr 90px 90px 90px 34px;
    gap: 12px;
    align-items: center
}

.invoice {
    max-width: 980px;
    margin: auto;
    background: #fff;
    padding: 34px;
    border: 1px solid #ddd
}

    .invoice h1 {
        text-align: center;
        font-size: 30px;
        font-weight: 800
    }

    .invoice table {
        width: 100%;
        border-collapse: collapse
    }

    .invoice th, .invoice td {
        border: 1px solid #444;
        padding: 7px;
        font-size: 13px
    }

    .invoice th {
        background: #f3f4f6
    }

.print-only {
    display: none
}

@media print {
    .topbar, .main-nav, .no-print {
        display: none !important
    }

    .page {
        display: block
    }

    .content {
        padding: 0
    }

    .invoice {
        border: 0
    }

    .print-only {
        display: block
    }
}

@media(max-width:900px) {
    .sidebar {
        display: none
    }

    .main-nav {
        overflow: auto
    }

        .main-nav a {
            white-space: nowrap
        }

    .pos-right {
        width: 320px
    }
}

/* Mobile responsive fixes */
@media (max-width: 768px) {
    body {
        font-size: 13px;
        background: #f6f7f9;
        overflow-x: hidden
    }

    .topbar {
        height: auto;
        min-height: 56px;
        padding: 8px 10px;
        gap: 8px;
        flex-wrap: wrap
    }

        .topbar img {
            height: 38px;
            width: 38px;
            object-fit: contain
        }

        .topbar .brand {
            font-size: 16px;
            line-height: 1.1;
            max-width: 180px
        }

        .topbar .ms-auto {
            margin-left: 0 !important;
            width: 100%;
            font-size: 12px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis
        }

    .main-nav {
        height: auto;
        min-height: 44px;
        padding: 0 8px;
        overflow-x: auto;
        overflow-y: hidden;
        white-space: nowrap;
        display: flex;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none
    }

        .main-nav::-webkit-scrollbar {
            display: none
        }

        .main-nav a {
            height: 44px !important;
            padding: 13px 12px;
            font-size: 13px;
            flex: 0 0 auto
        }

    .sell-btn {
        margin-left: 4px;
        height: 32px !important;
        padding: 8px 14px !important;
        border-radius: 7px
    }

    .page {
        display: block;
        min-height: auto
    }

    .sidebar {
        display: block;
        width: auto;
        border-right: 0;
        border-bottom: 1px solid var(--border);
        padding: 10px;
        background: #fff
    }

        .sidebar h4 {
            font-size: 18px;
            margin-bottom: 8px
        }

    .filters h6 {
        font-size: 13px;
        margin: 10px 0 6px
    }

    .filters .form-check, .filters .pill {
        display: inline-block;
        margin-right: 6px;
        margin-bottom: 6px
    }

    .filters select {
        max-width: 100%
    }

    .content {
        padding: 10px;
        overflow: visible
    }

    .toolbar {
        gap: 8px;
        flex-wrap: wrap;
        align-items: stretch
    }

        .toolbar .search {
            max-width: none;
            width: 100%;
            flex: 1 0 100%
        }

        .toolbar .ms-auto {
            display: none
        }

        .toolbar .btn {
            flex: 1 1 auto;
            padding: 8px 10px;
            font-size: 13px
        }

    .panel {
        border-radius: 8px
    }

        .panel.pad {
            padding: 12px
        }

    .table-wrap {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: 8px
    }

    .kv-table {
        min-width: 760px;
        font-size: 12px
    }

        .kv-table th, .kv-table td {
            padding: 9px 8px;
            white-space: nowrap
        }

    .panel > .d-flex {
        display: block !important;
        padding: 10px !important
    }

    .panel .pagination {
        justify-content: flex-start;
        overflow-x: auto;
        white-space: nowrap;
        flex-wrap: nowrap;
        margin-top: 8px;
        padding-bottom: 4px
    }

    .page-link {
        padding: 5px 9px
    }

    .metric {
        padding: 12px;
        margin-bottom: 10px
    }

        .metric .value {
            font-size: 20px
        }

    .row.g-3 > [class*='col-'] {
        margin-bottom: 8px
    }

    .pos-page {
        height: auto;
        min-height: 100vh
    }

    .pos-nav {
        height: auto;
        min-height: 50px;
        padding: 8px;
        gap: 8px;
        flex-wrap: wrap
    }

    .pos-search {
        width: 100%;
        order: 1
    }

    .pos-nav .fw-bold {
        order: 0
    }

    .pos-body {
        display: block;
        overflow: visible
    }

    .pos-left {
        padding: 10px;
        overflow: visible
    }

    .pos-right {
        width: auto;
        border-left: 0;
        border-top: 1px solid var(--border);
        padding: 12px;
        position: sticky;
        bottom: 0;
        z-index: 10;
        box-shadow: 0 -4px 16px rgba(0,0,0,.08)
    }

    .product-line {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 8px;
        padding: 12px;
        font-size: 13px
    }

        .product-line > * {
            min-width: 0
        }

        .product-line .qty, .product-line .price, .product-line .total {
            grid-column: 1 / -1;
            display: flex;
            justify-content: space-between;
            border-top: 1px dashed var(--border);
            padding-top: 6px
        }

    .invoice {
        padding: 12px;
        margin: 0;
        border: 0;
        max-width: 100%;
        overflow-x: auto
    }

        .invoice h1 {
            font-size: 22px
        }

        .invoice table {
            min-width: 820px
        }
}

@media (max-width: 480px) {
    .topbar .brand {
        font-size: 15px
    }

    .main-nav a {
        padding-left: 10px;
        padding-right: 10px
    }

    .toolbar .btn {
        flex: 1 1 46%
    }

    .kv-table {
        min-width: 680px
    }

    .login-card {
        width: calc(100vw - 28px);
        padding: 24px;
        border-radius: 14px
    }
}

/* Real mobile hamburger menu */
.mobile-menu-btn {
    display: none;
    border: 0;
    background: var(--green);
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    font-size: 22px;
    line-height: 1
}

.mobile-offcanvas {
    width: 300px;
    max-width: 86vw
}

.offcanvas-logo {
    width: 46px;
    height: 46px;
    object-fit: contain
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    padding: 8px
}

    .mobile-nav-list a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 13px 14px;
        margin: 2px 0;
        border-radius: 10px;
        text-decoration: none;
        color: #1f2937;
        font-weight: 650
    }

        .mobile-nav-list a:hover, .mobile-nav-list a.active {
            background: var(--green-soft);
            color: var(--green-dark)
        }

    .mobile-nav-list .mobile-sell {
        background: var(--green);
        color: #fff;
        justify-content: center;
        margin-top: 10px
    }

        .mobile-nav-list .mobile-sell:hover {
            background: var(--green-dark);
            color: #fff
        }

@media (max-width:768px) {
    .mobile-menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 auto
    }

    .main-nav {
        display: none !important
    }

    .topbar {
        flex-wrap: nowrap
    }

    .topbar-status {
        display: none
    }

    .topbar img {
        width: 42px;
        height: 42px
    }

    .topbar .brand {
        max-width: none;
        flex: 1
    }
}


/* UNA ASP.NET WebForms compatibility - giữ nguyên template gốc, chỉ bổ sung cho server controls */
.main-nav {
    position: relative;
    z-index: 20
}

.nav-item-group {
    position: relative;
    height: 48px
}

    .nav-item-group > a {
        display: block
    }

.nav-dropdown {
    display: none;
    position: absolute;
    top: 48px;
    left: 0;
    min-width: 245px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: 0 10px 25px rgba(0,0,0,.12);
    border-radius: 0 0 10px 10px;
    padding: 8px;
    z-index: 1000
}

.nav-item-group:hover .nav-dropdown {
    display: block
}

.nav-dropdown a {
    display: block;
    color: #1f2937 !important;
    height: auto !important;
    padding: 10px 12px !important;
    border-radius: 8px;
    background: #fff !important;
    font-weight: 600
}

    .nav-dropdown a:hover, .nav-dropdown a.active {
        background: var(--green-soft) !important;
        color: var(--green-dark) !important
    }

.hello-user {
    font-weight: 600;
    color: #374151
}

.logout-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 600
}

.content {
    width: 100%
}

.page-title {
    font-size: 24px;
    font-weight: 800;
    margin: 0 0 16px
}

.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    box-shadow: 0 1px 2px rgba(0,0,0,.03);
    margin-bottom: 16px
}

.grid {
    width: 100%;
    border-collapse: collapse;
    background: #fff
}

    .grid th {
        background: #f2fbf5;
        color: #374151;
        font-weight: 700;
        border-bottom: 1px solid var(--border);
        padding: 12px;
        white-space: nowrap
    }

    .grid td {
        border-bottom: 1px solid var(--border);
        padding: 12px;
        vertical-align: middle
    }

    .grid tr:hover {
        background: #fbfffc
    }

.input, .aspNetDisabled {
    border: 1px solid #d1d5db;
    border-radius: 8px;
    padding: 9px 10px;
    min-height: 38px;
    background: #fff
}

.btn {
    border-radius: 8px;
    padding: 8px 13px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    font-weight: 700
}

.btn-primary {
    background: var(--green) !important;
    border-color: var(--green) !important;
    color: #fff !important
}

    .btn-primary:hover {
        background: var(--green-dark) !important
    }

.btn-light {
    background: #fff !important;
    border-color: #d1d5db !important;
    color: #374151 !important
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4,minmax(180px,1fr));
    gap: 14px;
    margin-bottom: 16px
}

.stat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px
}

.stat-label {
    color: var(--muted);
    margin-bottom: 8px
}

.stat-value {
    font-size: 24px;
    font-weight: 800
}

.hint {
    color: var(--muted)
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 12px
}

    .form-grid .full {
        grid-column: 1/-1
    }

.modal-mask {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,.45);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 18px
}

.modal-box {
    background: #fff;
    width: min(760px,96vw);
    border-radius: 14px;
    padding: 18px;
    box-shadow: 0 25px 70px rgba(0,0,0,.25)
}

.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    margin: -4px -4px 14px;
    padding: 4px 4px 12px
}

    .modal-head h2 {
        font-size: 20px;
        margin: 0
    }

.table-wrap-asp {
    overflow: auto
}

.login-card .input {
    width: 100%;
    margin-bottom: 10px
}

.text-danger {
    color: #dc2626
}

.alert-empty {
    padding: 14px;
    border: 1px dashed #cbd5e1;
    background: #f8fafc;
    border-radius: 10px;
    color: #64748b
}

.mobile-nav-list .mobile-group-title {
    padding: 13px 14px;
    color: #6b7280;
    font-weight: 800;
    text-transform: uppercase;
    font-size: 12px
}

.mobile-nav-list .mobile-child {
    padding-left: 22px
}

@media(max-width:900px) {
    .stat-grid {
        grid-template-columns: repeat(2,1fr)
    }

    .nav-dropdown {
        position: static;
        box-shadow: none;
        border: 0
    }

    .form-grid {
        grid-template-columns: 1fr
    }
}

@media(max-width:600px) {
    .stat-grid {
        grid-template-columns: 1fr
    }

    .card {
        padding: 12px
    }

    .page-title {
        font-size: 20px
    }
}

/* UNA layout làm lại theo mẫu Tôn An Phát / KiotViet */
html, body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #172b4d;
}

body {
    background: #f4f6f8;
}

.topbar {
    height: 48px;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 12px;
}

    .topbar img {
        height: 34px;
        width: 34px;
        object-fit: contain;
    }

    .topbar .brand {
        color: #008f45;
        font-size: 20px;
        font-weight: 800;
        letter-spacing: .2px;
        text-transform: uppercase;
    }

.topbar-status {
    font-size: 13px;
}

.main-nav {
    height: 48px;
    background: #00a651;
    display: flex;
    align-items: center;
    padding: 0 14px;
    gap: 0;
    box-shadow: 0 2px 5px rgba(0,0,0,.08);
    position: sticky;
    top: 0;
    z-index: 100;
}

    .main-nav a, .nav-item-group > a {
        color: #fff;
        text-decoration: none;
        height: 48px;
        padding: 15px 18px;
        font-weight: 700;
        display: flex;
        align-items: center;
        white-space: nowrap;
    }

        .main-nav a:hover, .main-nav a.active, .nav-item-group:hover > a {
            background: #07843f;
            color: #fff;
        }

.nav-item-group {
    position: relative;
    height: 48px;
}

.nav-dropdown {
    display: none;
    position: absolute;
    left: 0;
    top: 48px;
    min-width: 230px;
    background: #fff;
    border: 1px solid #dfe5ec;
    border-radius: 0 0 10px 10px;
    box-shadow: 0 12px 28px rgba(15, 23, 42, .16);
    padding: 7px 0;
    z-index: 200;
}

.nav-item-group:hover .nav-dropdown {
    display: block;
}

.nav-dropdown a {
    color: #172b4d !important;
    height: auto;
    padding: 10px 14px;
    font-weight: 600;
    display: block;
}

    .nav-dropdown a:hover {
        background: #e9f8ef;
        color: #07843f !important;
    }

.nav-sell {
    margin-left: auto;
    background: #fff !important;
    color: #07843f !important;
    border-radius: 8px;
    height: 34px !important;
    padding: 8px 18px !important;
}

.content {
    padding: 0;
    min-height: calc(100vh - 96px);
}

.una-page {
    display: flex;
    min-height: calc(100vh - 96px);
}

.una-sidebar {
    width: 245px;
    background: #fff;
    border-right: 1px solid #e5e7eb;
    padding: 18px 14px;
    flex: 0 0 245px;
}

    .una-sidebar h4 {
        font-size: 20px;
        margin: 0 0 16px;
        font-weight: 700;
    }

    .una-sidebar h6 {
        font-size: 14px;
        font-weight: 700;
        margin: 18px 0 8px;
    }

    .una-sidebar .form-check {
        margin-bottom: 8px;
    }

.una-main {
    flex: 1;
    padding: 18px;
    min-width: 0;
    overflow: auto;
}

.una-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.una-search {
    max-width: 520px;
    height: 38px;
    border-radius: 6px;
    border: 1px solid #d9dee7;
    padding: 7px 12px;
}

.una-input, .input {
    height: 38px;
    border: 1px solid #d9dee7;
    border-radius: 6px;
    padding: 7px 10px;
    background: #fff;
}

.una-panel, .card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    box-shadow: 0 1px 2px rgba(0,0,0,.03);
    padding: 0;
}

.una-table-wrap {
    width: 100%;
    overflow-x: auto;
}

.kv-table, .grid {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    margin: 0;
}

    .kv-table th, .grid th {
        background: #effaf3;
        color: #1f2937;
        font-weight: 800;
        border-bottom: 1px solid #e5e7eb;
        padding: 12px;
        white-space: nowrap;
    }

    .kv-table td, .grid td {
        border-bottom: 1px solid #e5e7eb;
        padding: 12px;
        vertical-align: middle;
    }

    .kv-table tr:hover, .grid tr:hover {
        background: #fbfffc;
    }

    .grid a {
        color: #07843f;
        text-decoration: none;
        font-weight: 700;
    }

.status-pill {
    display: inline-block;
    background: #dcfce7;
    color: #07843f;
    border: 1px solid #a7f3d0;
    border-radius: 20px;
    padding: 5px 10px;
    font-weight: 700;
    font-size: 13px;
}

.filter-pill {
    display: inline-block;
    background: #e9f8ef;
    color: #07843f;
    border: 1px solid #b8eccb;
    padding: 6px 10px;
    border-radius: 18px;
    margin: 3px;
    cursor: pointer;
    font-weight: 600;
}

    .filter-pill.active {
        background: #00a651;
        color: #fff;
    }

.btn-green, .btn-primary {
    background: #00a651 !important;
    border-color: #00a651 !important;
    color: #fff !important;
    font-weight: 700;
}

    .btn-green:hover, .btn-primary:hover {
        background: #07843f !important;
        border-color: #07843f !important;
    }

.btn-light, .btn-outline-secondary {
    border: 1px solid #cfd6df !important;
    background: #fff !important;
    color: #4b5563 !important;
    font-weight: 600;
}

.una-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, .35);
    z-index: 1000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 30px 12px;
    overflow: auto;
}

.una-modal {
    width: min(1180px, 100%);
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,.28);
    overflow: hidden;
}

.una-modal-header {
    display: flex;
    align-items: center;
    padding: 18px 22px;
    border-bottom: 1px solid #e5e7eb;
}

.una-modal-title {
    font-size: 22px;
    font-weight: 800;
    margin: 0;
}

.una-modal-body {
    padding: 18px 22px;
}

.una-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 22px;
    border-top: 1px solid #e5e7eb;
    background: #fff;
    position: sticky;
    bottom: 0;
}

.order-layout {
    display: grid;
    grid-template-columns: 1fr 330px;
    gap: 16px;
}

.order-left {
    min-width: 0;
}

.order-right {
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 14px;
}

.product-add-row {
    display: grid;
    grid-template-columns: minmax(260px,1fr) 90px 110px 90px 120px;
    gap: 8px;
    align-items: end;
    margin-bottom: 12px;
}

.total-box {
    background: #fff7d6;
    border-radius: 8px;
    padding: 12px;
    font-size: 18px;
    font-weight: 800;
    text-align: right;
}

.empty-box {
    min-height: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #4b5563;
}

    .empty-box .big-button {
        background: #0d6efd;
        color: #fff;
        border: 0;
        border-radius: 6px;
        padding: 12px 28px;
        font-size: 18px;
        font-weight: 800;
        margin-top: 18px;
    }

.mobile-group-title {
    padding: 12px 14px 5px;
    color: #07843f;
    font-weight: 800;
    font-size: 13px;
    text-transform: uppercase;
}

.mobile-child {
    padding-left: 28px !important;
}

@media(max-width: 992px) {
    .una-page {
        display: block;
    }

    .una-sidebar {
        width: auto;
        border-right: 0;
        border-bottom: 1px solid #e5e7eb;
    }

    .una-main {
        padding: 12px;
    }

    .order-layout {
        grid-template-columns: 1fr;
    }

    .product-add-row {
        grid-template-columns: 1fr 1fr;
    }
}

@media(max-width: 768px) {
    .topbar-status {
        display: none;
    }

    .main-nav {
        display: none !important;
    }

    .mobile-menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .topbar .brand {
        font-size: 16px;
    }

    .una-toolbar {
        flex-wrap: wrap;
    }

    .una-search {
        max-width: none;
        width: 100%;
        flex: 1 0 100%;
    }

    .una-toolbar .btn {
        flex: 1 1 auto;
    }

    .grid, .kv-table {
        min-width: 820px;
    }

    .una-sidebar {
        padding: 12px;
    }

    .una-modal-backdrop {
        padding: 0;
        align-items: stretch;
    }

    .una-modal {
        border-radius: 0;
        min-height: 100vh;
    }

    .product-add-row {
        grid-template-columns: 1fr;
    }
}

@media(max-width: 480px) {
    .topbar {
        padding: 8px;
    }

        .topbar img {
            width: 38px;
            height: 38px;
        }

    .una-main {
        padding: 8px;
    }

    .una-modal-body {
        padding: 12px;
    }

    .una-modal-header, .una-modal-footer {
        padding-left: 12px;
        padding-right: 12px;
    }
}

/* Fix popup ASP.NET WebForms */
.modal-mask.show,
body.una-modal-open .modal-mask.show {
    display: flex !important;
}

.una-modal-open {
    overflow: hidden;
}


/* Fix đóng popup: khi JS gỡ class show thì phải ẩn tuyệt đối */
.modal-mask:not(.show) {
    display: none !important;
}

.modal-mask.show {
    display: flex !important;
}

.modal-head .btn,
.una-modal-header .btn {
    min-width: 42px;
}

/* ===== Typography toàn hệ thống - gọn, tròn, dễ đọc ===== */
html,
body,
form,
input,
select,
textarea,
button,
table,
label,
a,
span,
div,
.card,
.panel,
.modal-box,
.una-modal,
.grid,
.kv-table {
    font-family: "Segoe UI", Tahoma, Arial, sans-serif !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

html,
body {
    color: #172033;
}

body {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: 0;
}

/* Tiêu đề toàn hệ thống */
h1,
h2,
h3,
h4,
h5,
h6,
.page-title,
.una-modal-title,
.modal-head h2,
.form-section-title {
    color: #16395f;
    font-family: "Segoe UI", Tahoma, Arial, sans-serif !important;
    font-weight: 700 !important;
    line-height: 1.25;
    letter-spacing: -0.2px;
}

.page-title {
    margin: 0 0 6px;
    font-size: 30px;
}

.page-sub,
.text-muted,
.hint,
.stat-label,
.metric .label {
    color: #667085 !important;
    font-size: 15px;
    font-weight: 400 !important;
    line-height: 1.45;
}

/* Nhãn nhập liệu */
label,
.form-label,
.control-label {
    color: #26364d;
    font-size: 14px;
    font-weight: 600 !important;
}

/* Ô nhập liệu */
input,
select,
textarea,
.form-control,
.form-select,
.input,
.una-input,
.una-search {
    color: #172033 !important;
    font-size: 14px;
    font-weight: 400 !important;
    line-height: 1.4;
}

input::placeholder,
textarea::placeholder {
    color: #8a94a6 !important;
    font-weight: 400;
    opacity: 1;
}

/* Nút */
.btn,
button,
input[type="button"],
input[type="submit"] {
    font-size: 14px;
    font-weight: 600 !important;
    letter-spacing: 0;
}

/* Bảng dữ liệu */
.kv-table th,
.grid th,
.table th,
table th {
    color: #172033 !important;
    font-size: 14px;
    font-weight: 700 !important;
    letter-spacing: 0;
}

.kv-table td,
.grid td,
.table td,
table td {
    color: #243247;
    font-size: 14px;
    font-weight: 400;
}

/* Menu và thương hiệu */
.main-nav a,
.nav-item-group > a,
.nav-dropdown a,
.mobile-nav-list a {
    font-weight: 600 !important;
}

.topbar .brand {
    font-weight: 700 !important;
    letter-spacing: 0;
}

.status-pill,
.pill,
.filter-pill {
    font-weight: 600 !important;
}

/* Số liệu hiển thị rõ và đều */
.metric .value,
.stat-value,
.total-box,
td,
th,
input,
select {
    font-variant-numeric: tabular-nums;
}

/* Popup */
.modal-head h2,
.una-modal-title {
    font-size: 21px;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        font-size: 13px;
    }

    .page-title {
        font-size: 24px;
    }

    .page-sub {
        font-size: 14px;
    }

    input,
    select,
    textarea,
    .form-control,
    .form-select,
    .input,
    .una-input,
    .una-search,
    .btn,
    button {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 21px;
    }
}