:root {
    --bg: #f7f8fa;
    --surface: #ffffff;
    --surface-soft: #f2f4f7;
    --text: #1f2933;
    --muted: #667085;
    --border: #e4e7ec;
    --brand: #d91f2a;
    --brand-dark: #aa1019;
    --success: #14804a;
    --danger: #c52828;
    --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
    --radius: 8px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", Tahoma, sans-serif;
    line-height: 1.6;
}

button,
input {
    font: inherit;
}

img {
    display: block;
    max-width: 100%;
}

.app-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    min-height: 100vh;
}

.main-content,
.admin-layout {
    width: 100%;
    padding: 28px;
}

.main-content {
    overflow-y: auto;
}

.admin-layout {
    max-width: 920px;
    margin: 0 auto;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 22px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    color: inherit;
    text-decoration: none;
    min-width: 0;
}

.brand-logo {
    width: 68px;
    height: 68px;
    flex: 0 0 68px;
    border: 1px solid var(--border);
    border-radius: 50%;
    object-fit: cover;
    background: white;
}

h1 {
    font-size: 2rem;
    line-height: 1.15;
    font-weight: 700;
}

h2 {
    margin-bottom: 18px;
    font-size: 1.25rem;
}

.brand p,
.help-text,
.modal-note,
.empty-state,
.form-group small {
    color: var(--muted);
}

.admin-card,
.sidebar {
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

/* Admin Tabs */
.admin-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--border);
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 10px 16px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -6px;
    white-space: nowrap;
    transition: color 0.2s, border-color 0.2s;
}

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

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

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.product-card {
    width: 100%;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: inherit;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.product-card:hover,
.product-card:focus-visible {
    border-color: var(--brand);
    box-shadow: 0 14px 32px rgba(217, 31, 42, 0.12);
    outline: none;
    transform: translateY(-2px);
}

.product-card:disabled {
    cursor: not-allowed;
    opacity: 0.55;
    transform: none;
}

.product-card:disabled:hover {
    border-color: var(--border);
    box-shadow: none;
}

.product-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    background: var(--surface-soft);
}

.product-info {
    padding: 12px;
}

.product-name {
    min-height: 2.8em;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.product-price {
    margin-top: 6px;
    color: var(--brand);
    font-weight: 700;
}

.pos-queue-panel {
    position: sticky;
    top: 12px;
    z-index: 20;
    margin-bottom: 18px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
}

.pos-queue-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.pos-queue-header h2 {
    margin-bottom: 0;
}

.pos-queue-header p {
    color: var(--muted);
    font-size: 0.92rem;
}

.btn-compact {
    min-height: 38px;
    padding: 7px 12px;
    font-size: 0.92rem;
}

.pos-queue-list {
    display: grid;
    min-height: 320px;
    max-height: 420px;
    overflow-y: auto;
    gap: 8px;
    padding-right: 4px;
    scrollbar-width: thin;
}

.pos-queue-card {
    display: grid;
    gap: 8px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}

.pos-queue-card-header,
.pos-queue-item,
.pos-queue-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.pos-queue-card-header span {
    color: var(--muted);
    font-size: 0.9rem;
}

.pos-queue-owner,
.pos-queue-note,
.queue-page-owner,
.queue-page-note {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.45;
}

.pos-queue-owner,
.queue-page-owner {
    color: var(--brand-dark);
    font-weight: 700;
}

.pos-queue-note,
.queue-page-note {
    color: var(--muted);
}

.pos-queue-items {
    display: grid;
    gap: 6px;
}

.pos-queue-item {
    padding: 8px 10px;
    border-radius: 6px;
    background: var(--surface-soft);
}

.pos-queue-item strong {
    min-width: 0;
    overflow-wrap: anywhere;
}

.pos-queue-actions {
    justify-content: flex-end;
}

.badge-soft {
    background: #eef2f6;
    color: var(--text);
}

.sidebar {
    position: sticky;
    top: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 22px;
    border-width: 0 0 0 1px;
    box-shadow: -8px 0 30px rgba(15, 23, 42, 0.05);
}

.cart-title {
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
    font-size: 1.35rem;
    font-weight: 700;
}

.cart-items {
    flex: 1;
    min-height: 160px;
    overflow-y: auto;
    padding: 10px 0;
}

.cart-empty {
    margin-top: 36px;
    text-align: center;
}

.cart-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

.cart-item-info {
    min-width: 0;
}

.cart-item-info h4 {
    font-size: 1rem;
    overflow-wrap: anywhere;
}

.blend-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 6px;
    color: var(--muted);
    cursor: pointer;
    font-size: 0.9rem;
}

.addon-toggle-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
    margin-top: 6px;
}

.cart-item-action {
    display: grid;
    justify-items: end;
    gap: 4px;
    flex: 0 0 auto;
}

.member-panel {
    display: grid;
    gap: 12px;
    padding: 14px 0 16px;
    border-top: 1px solid var(--border);
}

.member-tools-shell {
    display: grid;
    gap: 12px;
    margin-bottom: 1rem;
    padding: 14px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.member-tools-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.member-tools-panel {
    display: grid;
    gap: 10px;
    padding-top: 4px;
}

.member-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
}

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

.member-label {
    font-weight: 700;
    font-size: 0.95rem;
}

.member-code-input {
    min-width: 0;
}

.member-search-results {
    padding: 8px;
    max-height: 160px;
    overflow-y: auto;
}

.member-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

.member-camera-panel {
    max-width: 280px;
}

.member-camera-preview {
    width: 100%;
    border-radius: 18px;
    border: 2px solid #fecaca;
    background: #111827;
}

.member-status,
.member-help {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.45;
}

.member-top-products-note {
    margin: 0;
    color: var(--brand-dark);
    font-weight: 600;
    line-height: 1.5;
}

.cart-total {
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.total-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 1.2rem;
}

.btn {
    display: inline-flex;
    width: auto;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.btn-primary {
    width: 100%;
    background: var(--brand);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--brand-dark);
}

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

.btn-danger:hover:not(:disabled) {
    background: #9f1f1f;
}

.btn-outline {
    border-color: var(--brand);
    background: white;
    color: var(--brand);
}

.btn-outline:hover {
    background: #fff4f4;
}

.header-action {
    flex: 0 0 auto;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}

.header-actions .btn {
    width: auto;
}

.btn-text-danger {
    border: 0;
    background: transparent;
    color: var(--danger);
    cursor: pointer;
    font-size: 0.85rem;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 18px;
    background: rgba(15, 23, 42, 0.55);
}

.modal.is-open {
    display: flex;
}

.modal-content {
    width: min(100%, 520px);
    max-height: 90vh;
    overflow-y: auto;
    padding: 24px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.24);
}

.queue-list {
    display: grid;
    gap: 10px;
    margin-bottom: 18px;
}

.queue-popup-list {
    display: grid;
    gap: 12px;
    width: min(560px, 100%);
    text-align: left;
}

.queue-popup-card {
    display: grid;
    gap: 10px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: white;
}

.queue-popup-header,
.queue-popup-total {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.queue-popup-header span,
.queue-popup-total {
    color: var(--muted);
}

.queue-popup-items {
    display: grid;
    gap: 8px;
}

.queue-popup-item {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: var(--radius);
    background: var(--surface-soft);
}

.queue-popup-number {
    display: inline-flex;
    width: 30px;
    height: 30px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--brand);
    color: white;
    font-weight: 700;
}

.queue-page-list {
    display: grid;
    gap: 14px;
}

.queue-page-card {
    display: grid;
    gap: 12px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: white;
}

.queue-page-header,
.queue-page-total {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.queue-page-header strong {
    font-size: 1.2rem;
}

.queue-page-header span,
.queue-page-total {
    color: var(--muted);
}

.queue-page-items {
    display: grid;
    gap: 8px;
}

.queue-page-item {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius);
    background: var(--surface-soft);
}

.queue-page-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.queue-page-actions .btn {
    width: 100%;
}

.queue-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    background: var(--surface-soft);
    border-radius: var(--radius);
}

.badge {
    flex: 0 0 auto;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--brand);
    color: white;
    font-size: 0.85rem;
    font-weight: 700;
}

.modal-note {
    margin-bottom: 18px;
    text-align: center;
}

.empty-state {
    grid-column: 1 / -1;
    padding: 28px;
    text-align: center;
}

.store-status {
    display: none;
    margin-bottom: 18px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: white;
    font-weight: 700;
}

.store-status.is-visible {
    display: block;
}

.store-status.open {
    border-color: #a6d8be;
    color: var(--success);
}

.store-status.closed {
    border-color: #f2b8b5;
    color: var(--danger);
}

.admin-card {
    margin-bottom: 18px;
    padding: 22px;
    border-radius: var(--radius);
}

.status-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.status-card h2 {
    margin-bottom: 4px;
}

.status-button {
    width: auto;
    min-width: 130px;
    flex: 0 0 auto;
}

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

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

.summary-item {
    padding: 16px;
    background: var(--surface-soft);
    border-radius: var(--radius);
}

.summary-item span {
    display: block;
    color: var(--muted);
}

.summary-item strong {
    display: block;
    margin-top: 4px;
    font-size: 2rem;
}

.period-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.period-summary-item {
    padding: 16px;
    border-radius: var(--radius);
    background: var(--surface-soft);
}

.period-summary-item span,
.period-summary-item small {
    display: block;
    color: var(--muted);
}

.period-summary-item strong {
    display: block;
    margin-top: 6px;
    font-size: 1.45rem;
}

.form-stack {
    display: grid;
    gap: 16px;
}

.addon-form {
    grid-template-columns: minmax(0, 1fr) 160px auto;
    align-items: end;
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
}

.form-control {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: white;
}

.form-control:focus {
    border-color: var(--brand);
    outline: 3px solid rgba(217, 31, 42, 0.12);
}

.form-group small {
    display: block;
    margin-top: 6px;
}

.form-message {
    min-height: 1.5em;
    color: var(--muted);
}

.form-message.success {
    color: var(--success);
}

.form-message.error {
    color: var(--danger);
}

.admin-product-list {
    display: grid;
    gap: 12px;
}

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

.addon-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: white;
}

.addon-info {
    display: grid;
    gap: 2px;
}

.addon-info span {
    color: var(--muted);
}

.admin-product-item {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr) minmax(150px, auto);
    align-items: center;
    gap: 14px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: white;
}

.admin-product-img {
    width: 72px;
    height: 72px;
    border-radius: var(--radius);
    object-fit: cover;
    background: var(--surface-soft);
}

.admin-product-info {
    display: grid;
    min-width: 0;
    gap: 2px;
}

.admin-product-info strong {
    overflow-wrap: anywhere;
}

.admin-product-info span {
    color: var(--muted);
}

.admin-delete-button {
    width: auto;
}

.admin-product-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    justify-content: end;
    min-width: 150px;
}

.admin-product-actions .btn {
    width: 100%;
    min-width: 70px;
    padding-inline: 12px;
}

.admin-inline-editor {
    display: grid;
    gap: 12px;
}

.admin-inline-editor label {
    display: grid;
    gap: 6px;
    font-weight: 700;
}

.admin-inline-editor small {
    color: var(--muted);
    font-weight: 400;
}

.swal-form {
    display: grid;
    gap: 10px;
    text-align: left;
}

.swal-form label {
    font-weight: 700;
}

.swal-form .swal2-input,
.swal-form .swal2-file {
    width: 100%;
    margin: 0;
}

.swal-form small {
    color: var(--muted);
}

.swal-queue {
    display: grid;
    gap: 10px;
    text-align: left;
}

.swal-queue p {
    margin: 0 0 4px;
    color: var(--muted);
    text-align: center;
}

.swal-queue-item {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-soft);
}

.swal-queue-number {
    display: inline-flex;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--brand);
    color: white;
    font-weight: 700;
}

.swal-queue-item strong,
.swal-queue-item small {
    display: block;
}

.swal-queue-item small {
    color: var(--muted);
}

.swal-queue-total {
    margin-top: 4px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    color: var(--text);
    font-weight: 700;
    text-align: right;
}

@media (max-width: 900px) {
    .app-shell {
        grid-template-columns: 1fr;
        padding-bottom: 118px;
    }

    .sidebar {
        position: static;
        height: auto;
        border-width: 1px 0 0;
    }

    .cart-total {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 100;
        background: var(--surface);
        padding: 12px 22px;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
        border-top: 1px solid var(--border);
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .member-panel {
        padding-bottom: 140px;
    }

    .member-tools-header {
        align-items: stretch;
    }

    .total-row {
        margin-bottom: 0px;
    }
}

@media (max-width: 640px) {
    .main-content,
    .admin-layout {
        padding: 16px;
    }

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

    .header-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        width: 100%;
    }

    .header-actions .btn {
        width: 100%;
    }

    .brand-logo {
        width: 56px;
        height: 56px;
        flex-basis: 56px;
    }

    h1 {
        font-size: 1.55rem;
    }

    .header-action,
    .summary-grid,
    .period-summary-grid {
        width: 100%;
    }

    .summary-grid,
    .period-summary-grid,
    .addon-form {
        grid-template-columns: 1fr;
    }

    .addon-form .form-group[style*="grid-column"] {
        grid-column: span 1 !important;
    }

    .status-card {
        align-items: stretch;
        flex-direction: column;
    }

    .status-button {
        width: 100%;
    }

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

    .product-info {
        padding: 10px;
    }

    .pos-queue-panel {
        top: 8px;
        padding: 10px;
    }

    .pos-queue-list {
        min-height: 260px;
        max-height: 340px;
    }

    .pos-queue-header {
        align-items: flex-start;
    }

    .pos-queue-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .pos-queue-actions .btn {
        width: 100%;
    }

    .sidebar {
        padding: 16px;
    }

    .member-actions .btn {
        width: 100%;
    }

    .member-tools-shell {
        padding: 14px;
    }

    .member-tools-header .btn {
        width: 100%;
    }

    .member-help,
    .member-status {
        font-size: 0.86rem;
    }

    .admin-card,
    .modal-content {
        padding: 18px;
    }

    .queue-page-actions {
        grid-template-columns: 1fr;
    }

    .admin-product-item {
        grid-template-columns: 58px minmax(0, 1fr);
    }

    .admin-product-img {
        width: 58px;
        height: 58px;
    }

    .admin-product-actions {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: 1fr 1fr;
        min-width: 0;
    }

    .admin-delete-button,
    .admin-edit-button,
    .admin-save-edit-button,
    .admin-cancel-edit-button {
        width: 100%;
    }
}

@media (max-width: 380px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}

.coupon-page {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 16px 48px;
}

.coupon-redeem-card {
    display: grid;
    gap: 18px;
}

.coupon-lookup-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
}

.coupon-code-input {
    font-family: Consolas, "Courier New", monospace;
    font-size: 1.05rem;
    letter-spacing: 1px;
}

.coupon-preview-card {
    display: grid;
    gap: 16px;
}

.coupon-preview-meta {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 16px;
    align-items: start;
}

.coupon-preview-meta p {
    margin: 6px 0 0;
    color: #667085;
}

.coupon-preview-image {
    width: 100%;
    max-width: 680px;
    border-radius: 20px;
    border: 1px solid #fed7aa;
    background: #fff;
}

.coupon-status {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.86rem;
}

.coupon-status.active {
    background: #dcfce7;
    color: #166534;
}

.coupon-status.used {
    background: #fee2e2;
    color: #991b1b;
}

@media (max-width: 768px) {
    .coupon-lookup-form,
    .coupon-preview-meta {
        grid-template-columns: 1fr;
    }
}