:root {
    --ink: #17202a;
    --muted: #667085;
    --line: #e5e7eb;
    --blue: #0d6efd;
    --sidebar: #111827;
    --bg: #f5f7fb;
}

body { color: var(--ink); background: var(--bg); }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 276px 1fr; }
.sidebar { background: var(--sidebar); color: #fff; padding: 18px 14px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.sidebar-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand, .brand:hover { color: #fff; display: flex; gap: 10px; align-items: center; font-weight: 800; font-size: 1.2rem; text-decoration: none; margin-bottom: 18px; }
.sidebar-toggle { display: none; width: 42px; height: 42px; border: 1px solid #334155; border-radius: 7px; background: #1e293b; color: #fff; font-size: 1.35rem; }
.brand-logo { width: 42px; height: 42px; object-fit: contain; }
.brand-mark { width: 42px; height: 42px; border-radius: 8px; display: inline-grid; place-items: center; background: #20c997; color: #07131f; font-weight: 900; }
.nav-link { color: #cbd5e1; border-radius: 8px; display: flex; gap: 10px; align-items: center; padding: 10px 12px; }
.nav-link:hover, .nav-link.active { background: #243044; color: #fff; }
.main { min-width: 0; }
.topbar { min-height: 78px; background: #fff; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; gap: 12px; }
.content { padding: 22px; }
.user-chip { display: flex; align-items: center; gap: 8px; background: #f1f5f9; padding: 8px 12px; border-radius: 8px; }
.user-chip small { color: var(--muted); }
.metric-card, .panel { background: #fff; border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 8px 22px rgba(15, 23, 42, .04); }
.metric-card { min-height: 110px; padding: 18px; display: flex; justify-content: space-between; align-items: center; }
.metric-card span { color: var(--muted); display: block; font-size: .9rem; }
.metric-card strong { display: block; font-size: 1.45rem; margin-top: 6px; }
.metric-card i { font-size: 2rem; }
.panel { padding: 18px; }
.panel h2 { font-size: 1rem; margin-bottom: 14px; }
.table-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.status-dot { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.semaforo { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.semaforo.verde { background: #198754; }
.semaforo.amarillo { background: #ffc107; }
.semaforo.rojo { background: #dc3545; }
.semaforo.azul { background: #0dcaf0; }
.semaforo.gris { background: #adb5bd; }
.login-body { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(135deg, #e8f5ef, #f5f7fb 55%, #e8eefc); padding: 18px; }
.login-panel { width: min(430px, 100%); background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 28px; box-shadow: 0 20px 45px rgba(15,23,42,.12); }
.login-brand { display: flex; gap: 14px; align-items: center; margin-bottom: 24px; }
.login-logo { width: 56px; height: 56px; object-fit: contain; }
.login-brand h1 { font-size: 1.8rem; margin: 0; }
.login-brand p { color: var(--muted); margin: 0; }
.receipt { width: 80mm; font-size: 12px; }
.pos-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(420px, .85fr); gap: 16px; align-items: start; }
.pos-products, .pos-cart { min-width: 0; }
.pos-cart { position: sticky; top: 16px; }
.product-results { max-height: 610px; overflow-y: auto; border: 1px solid var(--line); border-radius: 8px; }
.product-result { width: 100%; min-height: 76px; border: 0; border-bottom: 1px solid var(--line); background: #fff; padding: 10px 12px; display: grid; grid-template-columns: 42px minmax(0, 1fr) 82px 88px 24px; align-items: center; gap: 10px; text-align: left; color: var(--ink); }
.product-result:last-child { border-bottom: 0; }
.product-result:hover, .product-result:focus { background: #f3f8ff; outline: 0; }
.product-result-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 8px; background: #eaf3ff; color: #0878f9; font-size: 1.15rem; }
.product-result-main { min-width: 0; display: flex; flex-direction: column; }
.product-result-main strong { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.product-result-main small { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.product-result-stock { color: var(--muted); font-size: .78rem; text-align: right; }
.product-result-price { font-weight: 800; text-align: right; }
.product-add-icon { color: #0878f9; font-size: 1.15rem; }
.empty-products, .empty-cart { min-height: 180px; display: grid; place-items: center; align-content: center; gap: 7px; color: var(--muted); text-align: center; }
.empty-products i, .empty-cart i { font-size: 2rem; color: #aeb7c3; }
.cart-items { display: grid; gap: 8px; }
.cart-row { border: 1px solid var(--line); border-radius: 8px; background: #fff; padding: 10px; display: grid; grid-template-columns: minmax(150px, 1fr) 102px 100px 76px 32px; gap: 8px; align-items: center; }
.cart-row.is-gift { border-color: #86c5a2; background: #f3fbf6; }
.cart-row.is-gift .cart-line-total { color: #18794e; }
.cart-product-info { min-width: 0; display: flex; flex-direction: column; }
.cart-product-info strong, .cart-product-info span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cart-product-info span { color: var(--muted); font-size: .75rem; }
.quantity-stepper { display: grid; grid-template-columns: 28px 44px 28px; align-items: center; border: 1px solid #ced4da; border-radius: 6px; overflow: hidden; }
.quantity-stepper button { border: 0; background: #f4f6f8; height: 36px; }
.quantity-stepper input { width: 44px; height: 36px; border: 0; text-align: center; padding: 0; }
.cart-price-label { color: var(--muted); font-size: .7rem; }
.cart-price-label input { height: 34px; padding: 4px 7px; }
.cart-line-total { text-align: right; }
.cart-remove { width: 32px; height: 32px; border: 0; border-radius: 6px; color: #dc3545; background: #fff0f1; }
.cart-row-special { grid-template-columns: minmax(130px, .7fr) minmax(220px, 1.4fr) 76px 32px; }
.cart-special-fields { display: grid; grid-template-columns: repeat(2, minmax(95px, 1fr)); gap: 6px; }
.checkout-box { border-top: 1px solid var(--line); padding-top: 16px; }
.checkout-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.checkout-grid label { color: var(--muted); font-size: .75rem; }
.checkout-note { color: var(--muted); font-size: .72rem; margin-top: 5px; }
.checkout-totals { margin: 12px 0; }
.checkout-totals div { display: flex; justify-content: space-between; padding: 4px 0; }
.checkout-totals dt { color: var(--muted); font-weight: 500; }
.checkout-totals dd { margin: 0; font-weight: 700; }
.checkout-totals .grand-total { border-top: 1px solid var(--line); margin-top: 4px; padding-top: 10px; font-size: 1.25rem; }
.checkout-totals .grand-total dt, .checkout-totals .grand-total dd { color: var(--ink); font-weight: 900; }
.checkout-totals .change-total dd { color: #0878f9; font-size: 1.1rem; }
.sale-complete { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; background: #edf9f3; border: 1px solid #b9e7cf; border-radius: 8px; padding: 8px 10px; }
.sale-complete > i { color: #198754; font-size: 1.35rem; }
.sale-complete > div { display: flex; flex-direction: column; margin-right: 8px; }
.sale-complete span { color: var(--muted); font-size: .72rem; }
.sale-purchase-summary { min-width: 240px; max-width: 380px; white-space: normal; color: #475467; }
.cash-status { display: inline-flex; align-items: center; gap: 7px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px; text-decoration: none; font-size: .82rem; font-weight: 700; }
.cash-status.is-open { color: #146c43; background: #edf9f3; border-color: #b9e7cf; }
.cash-status.is-closed { color: #9a3412; background: #fff7ed; border-color: #fed7aa; }
.unit-pill { display: inline-flex; align-items: center; justify-content: center; min-height: 34px; padding: 5px 8px; border: 1px solid var(--line); border-radius: 6px; color: var(--muted); font-size: .75rem; }
.authorization-box { display: grid; gap: 4px; margin-top: 12px; padding: 12px; border: 1px solid #f5c26b; border-radius: 7px; background: #fffaf0; }
.authorization-box span { color: var(--muted); font-size: .75rem; }
.payment-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 15px; }
.payment-rows { display: grid; gap: 8px; margin-top: 8px; }
.payment-row { display: grid; grid-template-columns: 110px repeat(3, minmax(75px, 1fr)) 34px; gap: 6px; align-items: end; padding: 9px; border: 1px solid var(--line); border-radius: 7px; background: #fbfcfe; }
.payment-row label { color: var(--muted); font-size: .7rem; }
.payment-remove { width: 34px; height: 34px; border: 0; border-radius: 6px; background: #fff0f1; color: #dc3545; }
.cancel-sale { position: relative; }
.cancel-sale summary { list-style: none; }
.cancel-sale summary::-webkit-details-marker { display: none; }
.cancel-sale-form { position: absolute; z-index: 20; right: 0; top: 40px; width: 280px; display: grid; gap: 7px; padding: 10px; border: 1px solid var(--line); border-radius: 7px; background: #fff; box-shadow: 0 12px 30px rgba(15,23,42,.18); }
.cash-summary, .report-kpis { display: grid; grid-template-columns: repeat(auto-fit,minmax(160px,1fr)); gap: 12px; }
.cash-summary>div, .report-kpis>div { min-height: 92px; padding: 15px; background: #fff; border: 1px solid var(--line); border-radius: 8px; display: flex; flex-direction: column; justify-content: center; }
.cash-summary span, .report-kpis span { color: var(--muted); font-size: .78rem; }
.cash-summary strong, .report-kpis strong { font-size: 1.25rem; margin-top: 5px; }
.report-kpis { grid-template-columns: repeat(6,minmax(0,1fr)); }
.report-kpis small { color: var(--muted); }
.user-inline-form { display: grid; grid-template-columns: minmax(130px,1fr) 120px 90px 34px; gap: 5px; align-items: center; min-width: 430px; }
.reset-password-form { display: flex; gap: 6px; margin-top: 7px; min-width: 260px; }
.case-create-form { display: grid; grid-template-columns: 105px minmax(180px,1fr) auto; gap: 6px; min-width: 430px; }
.case-update-form { display: grid; grid-template-columns: 105px minmax(160px,1fr) 34px; gap: 6px; min-width: 330px; }
.is-warning { border-color: #f59e0b; background: #fffbeb; }
.phone-fields { border-top: 1px solid var(--line); padding-top: 18px; }
.sale-heading, .sale-row { display: grid; grid-template-columns: minmax(0, 1fr) 110px 130px 42px; gap: 8px; align-items: start; }
.sale-heading { color: var(--muted); font-size: .78rem; font-weight: 700; padding: 0 4px 6px; }
.sale-row { border: 1px solid var(--line); border-radius: 8px; padding: 10px; background: #fbfcfe; }
.sale-detail { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 8px; }
.recharge-fields, .service-fields { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 8px; }
.cost-field { grid-column: 2; }
.sale-summary { border-top: 1px solid var(--line); padding-top: 16px; display: flex; justify-content: flex-end; align-items: end; gap: 24px; }
.sale-summary .form-label { width: 190px; }
.product-filters .form-control { min-width: 240px; }
.product-filters .form-select { width: auto; min-width: 150px; }
.inventory-metric { color: var(--ink); text-decoration: none; transition: border-color .15s, box-shadow .15s; }
.inventory-metric:hover, .inventory-metric.is-selected { color: var(--ink); border-color: #7eb6ff; box-shadow: 0 10px 26px rgba(13,110,253,.10); }
.inventory-metric small { display: block; margin-top: 5px; color: var(--muted); }
.inventory-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.inventory-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.inventory-search { width: min(460px,100%); }
.inventory-identifiers { min-width: 190px; max-width: 330px; white-space: normal; overflow-wrap: anywhere; }
.inventory-movement-form { max-width: 980px; }
.price-audit { color: #9a3412 !important; margin-top: 3px; }
.cash-fund-value { font-size: 1.8rem; color: #0878f9; }
.cash-fund-settings summary { cursor: pointer; font-weight: 700; }
.cash-open-icon { display: block; font-size: 2.5rem; color: #0878f9; margin-bottom: 8px; }
.cash-close-breakdown { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; }
.cash-close-breakdown > div { padding: 10px; border: 1px solid var(--line); border-radius: 7px; background: #f8fafc; display: flex; flex-direction: column; }
.cash-close-breakdown span { color: var(--muted); font-size: .75rem; }
.cash-close-breakdown strong { margin-top: 4px; }

@media (max-width: 920px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: sticky; z-index: 30; height: auto; max-height: 100vh; padding: 10px 14px; }
    .sidebar .brand { margin-bottom: 0; }
    .sidebar-toggle { display: grid; place-items: center; }
    .sidebar .nav { display: none; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 4px; padding-top: 10px; overflow-y: auto; }
    .sidebar.is-open .nav { display: grid; }
    .topbar { align-items: flex-start; flex-direction: column; }
    .pos-layout { grid-template-columns: 1fr; }
    .pos-cart { position: static; }
    .sale-heading { display: none; }
    .sale-row { grid-template-columns: 1fr 90px 110px 42px; }
    .sale-detail { grid-column: 1 / -1; }
    .sale-summary { align-items: stretch; flex-direction: column; }
    .sale-summary .form-label { width: 100%; }
    .payment-row { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .payment-remove { align-self: end; }
    .report-kpis { grid-template-columns: repeat(3,minmax(0,1fr)); }
    .inventory-toolbar { align-items: stretch; flex-direction: column; }
    .inventory-search { width: 100%; }
}

@media (max-width: 560px) {
    .sale-row { grid-template-columns: 1fr 1fr 42px; }
    .sale-detail { grid-template-columns: 1fr; }
    .recharge-fields, .service-fields { grid-template-columns: 1fr; }
    .cost-field { grid-column: auto; }
    .product-result { grid-template-columns: 38px minmax(0, 1fr) 76px 20px; }
    .product-result-stock { display: none; }
    .cart-row, .cart-row-special { grid-template-columns: 1fr 1fr 32px; }
    .cart-product-info, .cart-special-fields { grid-column: 1 / -1; }
    .cart-line-total { text-align: left; }
    .checkout-grid { grid-template-columns: 1fr; }
    .payment-row { grid-template-columns: 1fr; }
    .cash-summary, .report-kpis { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .cash-close-breakdown { grid-template-columns: 1fr; }
}

.password-field { display: block; position: relative; width: 100%; min-width: 0; }
.password-field > input.form-control { padding-right: 3rem; }
.password-toggle { position: absolute; right: 1px; top: 1px; bottom: 1px; width: 2.75rem; display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: 4px; background: transparent; color: #495057; }
.password-toggle:hover { background: #e9ecef; color: #111827; }
.password-toggle:focus-visible { outline: 2px solid #0d6efd; outline-offset: -3px; }

@media (max-width: 767px) {
    #inventoryLookupTable, #inventoryLookupTable tbody { display: block; width: 100%; }
    #inventoryLookupTable thead { display: none; }
    #inventoryLookupTable tbody tr { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-bottom: 1px solid #dee2e6; }
    #inventoryLookupTable td { display: block; min-width: 0; border: 0; padding: 10px; overflow-wrap: anywhere; }
    #inventoryLookupTable td:first-child, #inventoryLookupTable td:last-child { grid-column: 1 / -1; }
    #inventoryLookupTable td[data-label]:not(:first-child):not(:last-child)::before { content: attr(data-label); display: block; margin-bottom: 4px; font-size: 12px; color: #495057; }
}

@media print {
    .sidebar, .topbar, .no-print { display: none !important; }
    .app-shell { display: block; }
    .content { padding: 0; }
}