:root {
    --bg: #f4f6fb;
    --card: #ffffff;
    --ink: #1d2430;
    --muted: #5b6578;
    --border: #d7dcea;
    --navy: #10104f;
    --wine: #7c2b62;
    --magenta: #d73b79;
    --pink: #ff4f70;
    --danger: #b4233f;
    --success: #0f8a52;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: var(--ink);
    background:
        radial-gradient(1200px 550px at 10% -10%, #e9ecff 0%, transparent 60%),
        radial-gradient(1200px 650px at 100% -20%, #ffdce7 0%, transparent 55%),
        var(--bg);
}

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
}

.login-card {
    width: min(430px, 92vw);
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px;
    box-shadow: 0 20px 40px rgba(16, 16, 79, 0.12);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: linear-gradient(120deg, var(--navy), var(--wine), var(--magenta));
    color: #fff;
}

.brand-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-wrap small {
    display: block;
    opacity: 0.85;
}

.brand-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(150deg, #fff, #ffd4e5);
}

.layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: calc(100vh - 62px);
}

.sidebar {
    background: #fff;
    border-right: 1px solid var(--border);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav-link {
    text-decoration: none;
    color: var(--ink);
    border: 1px solid transparent;
    padding: 10px 12px;
    border-radius: 10px;
    font-weight: 600;
}

.nav-link:hover {
    border-color: var(--border);
    background: #f8f9ff;
}

.nav-link.active {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(120deg, var(--navy), var(--wine));
}

.content {
    padding: 18px;
}

.ops-body {
    min-height: 100vh;
}

.ops-header {
    position: sticky;
    top: 0;
    z-index: 3;
    padding: 14px 18px;
    background: linear-gradient(120deg, var(--navy), var(--wine), var(--magenta));
    color: #fff;
}

.ops-header small {
    display: block;
    opacity: 0.88;
}

.ops-shell {
    width: min(760px, calc(100vw - 24px));
    margin: 0 auto;
    padding: 18px 0 28px;
}

.ops-actions-card h1 {
    margin-bottom: 12px;
}

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

.ops-hero-btn {
    text-decoration: none;
    text-align: center;
    padding: 16px 18px;
    border-radius: 18px;
    border: 1px solid #d9dff0;
    background: linear-gradient(180deg, #ffffff 0%, #f7f8fd 100%);
    color: #5d677b;
    font-weight: 800;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
    transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.ops-hero-btn:hover {
    transform: translateY(-1px);
    border-color: #c9d0e5;
    box-shadow: 0 10px 22px rgba(16, 16, 79, 0.08);
}

.ops-hero-btn.active {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(120deg, var(--navy), var(--wine), var(--magenta));
    box-shadow: 0 14px 30px rgba(124, 43, 98, 0.28);
}

.ops-form-card {
    padding: 18px;
}

.ops-search-hint {
    margin-top: -2px;
    font-size: 0.85rem;
    color: var(--muted);
}

.ops-search-results {
    display: grid;
    gap: 8px;
}

.ops-result-btn {
    width: 100%;
    text-align: left;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 12px;
    padding: 10px 12px;
    display: grid;
    gap: 4px;
}

.ops-result-btn strong {
    color: var(--ink);
}

.ops-result-btn small {
    color: var(--muted);
    line-height: 1.35;
}

.ops-search-empty {
    border: 1px dashed var(--border);
    border-radius: 12px;
    padding: 10px 12px;
    color: var(--muted);
    background: #fafbff;
    font-size: 0.92rem;
}

.ops-selected-parent {
    border: 1px dashed #cdd5ea;
    border-radius: 14px;
    padding: 12px;
    display: grid;
    gap: 4px;
    background: #fafbff;
    color: var(--muted);
}

.ops-selected-parent.has-value {
    border: 1px solid #d8bfd0;
    background: linear-gradient(180deg, #fff7fb 0%, #fff 100%);
    color: var(--ink);
    box-shadow: inset 0 0 0 1px rgba(215, 59, 121, 0.08);
}

.ops-selected-parent strong {
    color: var(--navy);
}

.ops-selected-parent small {
    color: #5f4960;
    line-height: 1.4;
}

.ops-quick-amounts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-bottom: 4px;
}

.ops-qr-buttons {
    display: grid;
    gap: 10px;
}

.ops-qr-entry {
    display: flex;
    align-items: center;
    gap: 8px;
}

.js-scan-qr-btn {
    min-width: 180px;
}

.js-scan-qr-btn.is-linked {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(120deg, #0f8a52, #19a866);
    box-shadow: 0 10px 22px rgba(15, 138, 82, 0.18);
}

h1, h2, h3 {
    margin-top: 0;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 16px;
    box-shadow: 0 8px 20px rgba(30, 40, 100, 0.05);
}

.metric strong {
    font-size: 1.35rem;
}

.grid-2, .grid-3, .grid-4 {
    display: grid;
    gap: 16px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

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

th, td {
    padding: 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

input, select, button {
    font: inherit;
}

input[type="text"], input[type="email"], input[type="password"], input[type="number"], select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px;
    background: #fff;
}

label {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 4px;
    display: block;
}

.form-grid {
    display: grid;
    gap: 8px;
}

.form-inline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.color-editor-row > div {
    min-width: 220px;
    flex: 1 1 240px;
}

.color-editor-panel {
    display: none;
    gap: 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px;
    background: #f9fbff;
}

.color-editor-row input[type="color"] {
    width: 58px;
    min-width: 58px;
    height: 34px;
    padding: 2px;
    border-radius: 8px;
    cursor: pointer;
}

.color-editor-row input[type="range"] {
    width: 220px;
    max-width: 100%;
}

.row-check {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 6px 0;
}

.btn {
    display: inline-block;
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 10px 13px;
    text-decoration: none;
    cursor: pointer;
    font-weight: 600;
}

.btn-sm {
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 0.88rem;
}

.btn-primary {
    background: linear-gradient(120deg, var(--navy), var(--wine), var(--magenta));
    color: #fff;
}

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

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

.alert {
    padding: 10px 12px;
    border-radius: 10px;
    margin-bottom: 14px;
    border: 1px solid transparent;
}

.alert-success {
    background: #ecfff5;
    border-color: #b7efd0;
    color: #075636;
}

.alert-error {
    background: #fff1f4;
    border-color: #f5b6c3;
    color: #7a1730;
}

.token-list {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.chip {
    display: inline-block;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 10px;
    background: #fff;
    font-size: 0.85rem;
}

.inline-form {
    display: inline-block;
    margin-right: 6px;
}

.muted {
    color: var(--muted);
    margin: 0;
}

.parents-toolbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: end;
    gap: 12px;
    margin-bottom: 12px;
}

.parents-search {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.parents-search input[type="text"] {
    width: min(360px, 100%);
}

.parent-list {
    display: grid;
    gap: 10px;
}

.parent-item {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
    overflow: hidden;
}

.parent-summary {
    list-style: none;
    cursor: pointer;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 12px;
    background: linear-gradient(180deg, #fff, #fafbff);
}

.parent-summary::-webkit-details-marker {
    display: none;
}

.parent-main {
    display: grid;
    gap: 4px;
}

.parent-main span {
    color: var(--muted);
    font-size: 0.92rem;
}

.parent-metrics {
    display: grid;
    gap: 6px;
    justify-items: end;
    text-align: right;
    font-size: 0.92rem;
}

.parent-panel {
    border-top: 1px solid var(--border);
    padding: 12px;
    display: grid;
    gap: 10px;
}

.pagination {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: center;
}

.btn-disabled {
    opacity: 0.55;
    pointer-events: none;
}

.table-wrap {
    overflow-x: auto;
}

.qr-sheet-header {
    margin-bottom: 12px;
}

#printSheetSection {
    scroll-margin-top: 80px;
}

.qr-sheet-actions {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.status-pill {
    display: inline-block;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: lowercase;
    border: 1px solid transparent;
}

.status-generated {
    background: #edf5ff;
    color: #194b87;
    border-color: #bbd7ff;
}

.status-printed {
    background: #ecfff5;
    color: #0b6d43;
    border-color: #aee8c9;
}

.status-canceled {
    background: #fff1f4;
    color: #891e3a;
    border-color: #f2b4c2;
}

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

.checkout-stage {
    background:
        radial-gradient(circle at top right, rgba(255, 79, 112, 0.08), transparent 30%),
        radial-gradient(circle at bottom left, rgba(16, 16, 79, 0.08), transparent 35%),
        #fff;
}

.checkout-square-btn {
    min-height: 132px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: linear-gradient(180deg, #ffffff, #f7f8ff);
    padding: 14px 12px;
    display: grid;
    align-content: space-between;
    gap: 12px;
    text-align: left;
    box-shadow: 0 10px 24px rgba(18, 24, 56, 0.05);
}

.checkout-square-btn strong {
    font-size: 1rem;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.checkout-square-btn span {
    color: var(--navy);
    font-weight: 800;
    font-size: 0.98rem;
    overflow-wrap: anywhere;
}

.checkout-square-btn-adhoc {
    background: linear-gradient(160deg, #10104f, #7c2b62, #d73b79);
    color: #fff;
    border-color: transparent;
}

.checkout-square-btn-adhoc span {
    color: #fff;
    opacity: 0.9;
}

.item-config-backdrop {
    position: fixed;
    inset: 0;
    z-index: 8;
    display: none;
    place-items: center;
    background: rgba(0, 0, 0, 0.42);
    padding: 16px;
}

.item-config-backdrop.open {
    display: grid;
}

.item-config-modal {
    width: min(420px, 96vw);
    border: 1px solid var(--border);
    border-radius: 16px;
    background: #fff;
    padding: 14px;
    display: grid;
    gap: 12px;
    box-shadow: 0 24px 60px rgba(10, 16, 38, 0.28);
}

.item-config-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.item-config-head h2 {
    margin: 0;
    font-size: 1.05rem;
}

.item-config-body {
    display: grid;
    gap: 8px;
}

.qty-control {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.qty-control-large {
    justify-content: center;
    padding: 4px 0;
}

.qty-control button {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #fff;
    font-weight: 800;
}

.cart-fab-round {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 7;
    border: 0;
    border-radius: 999px;
    width: 66px;
    height: 66px;
    color: #fff;
    background: linear-gradient(120deg, var(--navy), var(--wine), var(--magenta));
    font-weight: 700;
    box-shadow: 0 10px 22px rgba(21, 30, 74, 0.35);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.cart-fab-round.is-hidden {
    display: none;
}

.checkout-toast {
    position: fixed;
    right: 18px;
    top: 18px;
    z-index: 8;
    max-width: min(280px, calc(100vw - 36px));
    padding: 10px 14px;
    border-radius: 14px;
    background: rgba(16, 16, 79, 0.96);
    color: #fff;
    font-size: 0.92rem;
    font-weight: 700;
    box-shadow: 0 18px 40px rgba(16, 16, 79, 0.22);
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.checkout-toast.visible {
    opacity: 1;
    transform: translateY(0);
}

.cart-fab-glyph {
    font-size: 1.1rem;
    line-height: 1;
}

.cart-fab-round strong {
    min-width: 24px;
    padding: 1px 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.2);
    font-size: 0.8rem;
}

.cart-drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: 6;
    background: rgba(0, 0, 0, 0.42);
    display: none;
    justify-content: flex-end;
    padding: 0;
}

.cart-drawer-backdrop.open {
    display: block;
}

.cart-sheet {
    width: min(460px, calc(100vw - 72px));
    height: 100vh;
    height: 100dvh;
    max-height: 100dvh;
    background: #fff;
    border-left: 1px solid var(--border);
    padding: 12px 12px calc(12px + env(safe-area-inset-bottom));
    display: grid;
    grid-template-rows: auto auto auto auto auto;
    gap: 10px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    box-shadow: -14px 0 34px rgba(10, 16, 38, 0.2);
}

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

.cart-customer-preview {
    border: 1px solid #b8e8cd;
    background: #ecfff5;
    border-radius: 10px;
    padding: 8px;
    display: grid;
    gap: 2px;
}

.cart-customer-preview small {
    color: #0b6d43;
}

.cart-items {
    overflow: visible;
    min-height: auto;
    display: grid;
    gap: 8px;
    align-content: start;
    padding-right: 2px;
}

.cart-row {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px;
    display: grid;
    gap: 8px;
    background: #fff;
}

.cart-row small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
}

.cart-total {
    border-top: 1px solid var(--border);
    padding-top: 8px;
}

.scan-overlay {
    position: fixed;
    inset: 0;
    z-index: 20;
    background: rgba(0, 0, 0, 0.72);
    display: grid;
    place-items: center;
    padding: 16px;
}

.scan-box {
    width: min(420px, 95vw);
    border-radius: 12px;
    background: #fff;
    padding: 12px;
    display: grid;
    gap: 8px;
}

.sale-success-overlay {
    position: fixed;
    inset: 0;
    z-index: 30;
    display: none;
    place-items: center;
    background: rgba(17, 176, 94, 0.94);
    color: #fff;
    text-align: center;
    font-size: clamp(1.2rem, 4vw, 2rem);
    font-weight: 800;
    letter-spacing: 0.04em;
}

.sale-success-overlay.visible {
    display: grid;
}

.qr-sheet-grid {
    --qr-card-width: 58mm;
    --qr-card-gap: 6mm;
    display: grid;
    grid-template-columns: repeat(3, var(--qr-card-width));
    gap: var(--qr-card-gap);
    justify-content: center;
    max-width: calc((var(--qr-card-width) * 3) + (var(--qr-card-gap) * 2));
    margin: 0 auto;
}

.qr-card {
    border: 1px dashed #9ba6c6;
    border-radius: 10px;
    padding: 8px;
    display: grid;
    justify-items: center;
    text-align: center;
    gap: 4px;
    break-inside: avoid;
    page-break-inside: avoid;
    background: #fff;
}

.qr-card img {
    width: 150px;
    height: 150px;
    object-fit: contain;
}

.qr-card strong {
    font-size: 0.92rem;
    letter-spacing: 0.02em;
}

.qr-card small {
    color: var(--muted);
    text-transform: lowercase;
}

.qr-card.status-linked {
    opacity: 0.65;
}

.qr-card-v2 {
    border: 1px solid #ccd3e8;
    border-radius: 14px;
    overflow: hidden;
    background: #fff;
    display: grid;
    grid-template-rows: auto 1fr auto auto;
    aspect-ratio: 9 / 16;
    width: var(--qr-card-width);
    break-inside: avoid;
    page-break-inside: avoid;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
}

.qr-card-v2-head {
    background: linear-gradient(140deg, var(--qr-primary), var(--qr-accent));
    color: #fff;
    padding: 10px 10px 8px;
    text-align: center;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
}

.qr-card-v2-head h3 {
    margin: 6px 0 2px;
    font-size: 0.95rem;
    line-height: 1.1;
}

.qr-card-v2-head p {
    margin: 0;
    font-size: 0.75rem;
    opacity: 0.92;
}

.qr-card-v2-body {
    display: grid;
    place-items: center;
    padding: 8px 8px 4px;
}

.qr-card-v2-qr-stack {
    display: grid;
    justify-items: center;
    align-content: start;
    gap: 6px;
    width: 100%;
}

.qr-card-v2-body img {
    width: 78%;
    height: auto;
    object-fit: contain;
}

.qr-card-v2-code {
    display: grid;
    place-items: center;
    padding: 0 8px;
}

.qr-card-v2-code code {
    border: 0;
    background: transparent;
    padding: 0;
    border-radius: 0;
    font-size: 0.86rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: #22304a;
    box-shadow: none;
}

.qr-card-v2-logo-wrap {
    display: grid;
    place-items: center;
    padding: 6px 8px 0;
}

.qr-logo-inline {
    width: auto;
    height: auto;
    max-width: 90%;
    max-height: 56px;
    object-fit: contain;
}

.qr-card-v2-foot {
    border-top: 1px solid #e5e9f5;
    padding: 8px;
    text-align: center;
    display: grid;
    gap: 5px;
}

.qr-card-v2-foot small {
    font-size: 0.72rem;
    color: #475066;
    line-height: 1.2;
}

.qr-card-v2.status-linked {
    opacity: 0.7;
}

.qr-card-v2.status-blocked {
    opacity: 0.5;
}

.print-modal {
    max-width: 460px;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
}

.print-modal::backdrop {
    background: rgba(0, 0, 0, 0.45);
}

.password-wrap {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    align-items: center;
}

.eye-btn {
    min-width: 60px;
}

code {
    background: #f0f3fa;
    padding: 3px 5px;
    border-radius: 6px;
    border: 1px solid var(--border);
}

@media (max-width: 1000px) {
    .layout {
        grid-template-columns: 1fr;
    }
    .sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--border);
        flex-direction: row;
        overflow-x: auto;
    }
    .grid-4, .grid-3, .grid-2 {
        grid-template-columns: 1fr;
    }
    .parent-summary {
        grid-template-columns: 1fr;
    }
    .parent-metrics {
        justify-items: start;
        text-align: left;
    }
    .qr-sheet-grid {
        grid-template-columns: repeat(2, var(--qr-card-width));
        overflow-x: auto;
        justify-content: start;
        max-width: none;
        padding-bottom: 6px;
    }
    .cart-fab-round {
        right: 12px;
        bottom: 12px;
    }
    .checkout-toast {
        right: 12px;
        top: 12px;
    }
    .cart-sheet {
        width: calc(100vw - 56px);
    }
    .ops-shell {
        width: calc(100vw - 16px);
        padding-top: 12px;
    }
    .ops-switches {
        grid-template-columns: 1fr;
    }
}

@media print {
    body {
        background: #fff;
    }
    .topbar,
    .sidebar,
    .alert,
    .no-print {
        display: none !important;
    }
    .layout {
        display: block;
        min-height: auto;
    }
    .content {
        padding: 0;
    }
    h1 {
        display: none;
    }
    .card {
        border: 0;
        box-shadow: none;
        margin: 0;
        padding: 0;
    }
    .qr-sheet-grid {
        grid-template-columns: repeat(3, var(--qr-card-width));
        gap: var(--qr-card-gap);
        max-width: none;
    }
    .qr-card-v2 {
        border: 1px solid #000;
        border-radius: 3mm;
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }
}