/* ===========================
   Akurata POS Terminal Styles
   (Self-contained, no external CSS dependency)
   =========================== */

/* ---------- Design Tokens ---------- */

:root {
  --background: #f7f9fb;
  --surface: #ffffff;
  --surface-low: #f2f4f6;
  --surface-container: #eceef0;
  --surface-high: #e6e8ea;
  --surface-highest: #e0e3e5;
  --on-surface: #191c1e;
  --on-surface-variant: #45464d;
  --muted: #64748b;
  --outline: #76777d;
  --outline-variant: #c6c6cd;
  --border: #e2e8f0;
  --primary: #0f172a;
  --on-primary: #ffffff;
  --secondary: #06b6d4;
  --secondary-strong: #00687a;
  --secondary-container: #57dffe;
  --secondary-soft: #e6fbff;
  --success: #16a34a;
  --warning: #f59e0b;
  --warning-soft: #fffbeb;
  --shadow-interactive: 0 4px 12px rgba(15, 23, 42, 0.08);
  --radius-sm: 4px;
  --radius: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --container: 1440px;
  --gutter: 32px;
}

/* ---------- Base Reset ---------- */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", Arial, sans-serif;
  color: var(--on-surface);
  background: var(--background);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ---------- Layout ---------- */

main,
.topbar {
  width: min(var(--container), calc(100% - (var(--gutter) * 2)));
  margin: 0 auto;
}

main {
  padding-bottom: 72px;
}

.topbar {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* ---------- Brand ---------- */

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

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.brand-mark img {
  width: 31px;
  height: 31px;
  object-fit: contain;
}

.brand-text {
  display: grid;
  gap: 2px;
}

.brand-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-tag {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.25;
}

/* ---------- Eyebrow ---------- */

.eyebrow {
  min-height: 32px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--outline-variant);
  border-radius: 9999px;
  background: var(--surface);
  color: var(--secondary-strong);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1rem;
  letter-spacing: 0.01em;
}

/* ---------- Buttons ---------- */

.btn {
  min-height: 44px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  box-shadow: var(--shadow-interactive);
}

.btn-primary:hover {
  background: #1e293b;
}

.btn-secondary {
  background: var(--secondary);
  color: #ffffff;
  border-color: var(--secondary);
}

.btn-secondary:hover {
  background: var(--secondary-strong);
  border-color: var(--secondary-strong);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border-color: var(--outline-variant);
}

.btn-ghost:hover {
  background: var(--surface-low);
}

/* ---------- Auth Page ---------- */

.auth-page {
  min-height: 100vh;
  background:
    linear-gradient(180deg, #ffffff 0%, rgba(255, 255, 255, 0) 280px),
    var(--background);
}

.auth-topbar {
  min-height: 76px;
}

.auth-shell {
  min-height: calc(100vh - 104px);
  padding: 40px 0 64px;
  display: grid;
  grid-template-columns: minmax(340px, 480px);
  gap: 32px;
  align-items: center;
  justify-content: center;
}

.auth-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 32px;
  box-shadow: var(--shadow-interactive);
}

.auth-heading h1 {
  margin: 16px 0 10px;
  color: var(--primary);
  font-size: 2rem;
  font-weight: 700;
  line-height: 2.5rem;
  letter-spacing: -0.02em;
}

.auth-heading p {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.25rem;
  margin: 0;
}

.auth-form {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

/* ---------- Form Fields ---------- */

.field {
  display: grid;
  gap: 8px;
}

.field span {
  color: var(--on-surface-variant);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1rem;
  letter-spacing: 0.01em;
}

.field input,
.field select {
  width: 100%;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--on-surface);
  font: inherit;
  font-size: 0.875rem;
  outline: none;
}

.field input:focus,
.field select:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.12);
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.check-field {
  display: inline-flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--on-surface-variant);
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.check-field input {
  width: 16px;
  height: 16px;
  margin: 2px 0 0;
  accent-color: var(--secondary);
}

/* ---------- Notice / Toast ---------- */

.notice {
  margin: 0;
  padding: 12px 14px;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
  background: #f0fdf4;
  color: #166534;
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.notice.error {
  border-color: #fecaca;
  background: #fef2f2;
  color: #991b1b;
}

.toast-region {
  width: min(380px, calc(100vw - 32px));
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 200;
  display: grid;
  gap: 10px;
  pointer-events: none;
}

.app-toast {
  padding: 13px 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  border: 1px solid #fecaca;
  border-left: 4px solid #dc2626;
  border-radius: var(--radius);
  background: #fff;
  color: #7f1d1d;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.18);
  pointer-events: auto;
}

.app-toast.is-success {
  border-color: #bbf7d0;
  border-left-color: #16a34a;
  color: #166534;
}

.app-toast.is-leaving {
  opacity: 0;
  transition: opacity 180ms ease;
}

.app-toast p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.app-toast button {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
  opacity: 0.6;
}

.app-toast button:hover {
  opacity: 1;
}

/* ---------- Utility ---------- */

.is-hidden {
  display: none !important;
}

/* ---------- Terminal Shell ---------- */

.pos-terminal {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background: var(--surface-low);
}

/* ---------- Top Bar ---------- */

.pos-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 20px;
  height: 56px;
  min-height: 56px;
  background: var(--primary);
  color: var(--on-primary);
  flex-shrink: 0;
}

.pos-topbar .brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.pos-topbar .brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.12);
  display: grid;
  place-items: center;
  overflow: hidden;
  border: none;
}

.pos-topbar .brand-mark img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.pos-topbar .brand-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.pos-topbar .cashier-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  opacity: 0.85;
}

.pos-topbar .cashier-info strong {
  opacity: 1;
  font-weight: 600;
}

.pos-logout-btn {
  background: rgba(255, 255, 255, 0.1);
  color: var(--on-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.pos-logout-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ---------- Main Layout ---------- */

.pos-main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 400px;
  overflow: hidden;
  min-height: 0;
}

/* ---------- Product Panel ---------- */

.pos-products {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.pos-search-bar {
  display: flex;
  gap: 8px;
  padding: 14px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.pos-search-bar input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--surface);
  color: var(--on-surface);
  outline: none;
  transition: border-color 0.15s;
}

.pos-search-bar input:focus {
  border-color: var(--secondary-strong);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.12);
}

.pos-search-bar input::placeholder {
  color: var(--muted);
}

.pos-product-grid {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 10px;
  align-content: start;
}

.pos-product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
  user-select: none;
  min-height: 90px;
}

.pos-product-card:hover {
  border-color: var(--secondary-strong);
  box-shadow: 0 2px 8px rgba(6, 182, 212, 0.1);
}

.pos-product-card:active {
  transform: scale(0.97);
}

.pos-product-card.is-disabled {
  opacity: 0.45;
  pointer-events: none;
  cursor: default;
}

.pos-product-card .card-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--on-surface);
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pos-product-card .card-price {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--secondary-strong);
}

.pos-product-card .card-stock {
  font-size: 0.72rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.pos-product-card .card-stock.is-low {
  color: var(--warning);
  font-weight: 600;
}

.pos-product-card .card-badge {
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--secondary-soft);
  color: var(--secondary-strong);
  font-weight: 600;
  align-self: flex-start;
}

.pos-no-products {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ---------- Cart Panel ---------- */

.pos-cart {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-left: 1px solid var(--border);
  overflow: hidden;
  min-height: 0;
}

.pos-cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.pos-cart-header h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.pos-cart-header .cart-count {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 500;
}

.pos-cart-clear {
  background: none;
  border: none;
  color: #dc2626;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.pos-cart-clear:hover {
  background: #fef2f2;
}

/* Cart Items */

.pos-cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
  min-height: 0;
}

.pos-cart-empty {
  text-align: center;
  padding: 40px 16px;
  color: var(--muted);
  font-size: 0.85rem;
}

.pos-cart-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--surface-container);
  align-items: start;
}

.pos-cart-item:last-child {
  border-bottom: none;
}

.cart-item-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--on-surface);
  line-height: 1.3;
}

.cart-item-price {
  font-size: 0.72rem;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}

.cart-qty-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--on-surface);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
  transition: background 0.1s;
}

.cart-qty-btn:hover {
  background: var(--surface-container);
}

.cart-qty-input {
  width: 52px;
  text-align: center;
  padding: 4px 2px;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--on-surface);
  background: var(--surface);
  outline: none;
}

.cart-qty-input:focus {
  border-color: var(--secondary-strong);
}

.cart-item-discount {
  display: flex;
  align-items: center;
  gap: 3px;
  margin-top: 4px;
  font-size: 0.72rem;
  color: var(--muted);
}

.cart-item-discount input {
  width: 42px;
  padding: 2px 4px;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  text-align: center;
  background: var(--surface);
  color: var(--on-surface);
  outline: none;
}

.cart-item-discount input:focus {
  border-color: var(--secondary-strong);
}

.cart-item-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.cart-item-subtotal {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--on-surface);
}

.cart-item-remove {
  background: none;
  border: none;
  color: #dc2626;
  font-size: 0.7rem;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
}

.cart-item-remove:hover {
  background: #fef2f2;
}

/* Cart Summary */

.pos-cart-summary {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--surface-low);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pos-cart-summary .summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--on-surface-variant);
}

.pos-cart-summary .summary-row strong {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  font-weight: 500;
}

.pos-cart-summary .summary-row.is-total {
  margin-top: 4px;
  padding-top: 8px;
  border-top: 2px solid var(--outline-variant);
  font-size: 1rem;
  font-weight: 700;
  color: var(--on-surface);
}

.pos-cart-summary .summary-row.is-total strong {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--secondary-strong);
}

/* Cart Payment */

.pos-cart-payment {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pos-payment-methods {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.pos-payment-method-btn {
  padding: 8px 4px;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  transition: border-color 0.15s, background 0.15s;
}

.pos-payment-method-btn:hover {
  border-color: var(--secondary-strong);
}

.pos-payment-method-btn.is-active {
  border-color: var(--secondary-strong);
  background: var(--secondary-soft);
  color: var(--secondary-strong);
}

.pos-customer-fields {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pos-customer-fields input,
.pos-customer-fields select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-family: inherit;
  background: var(--surface);
  color: var(--on-surface);
  outline: none;
}

.pos-customer-fields input:focus,
.pos-customer-fields select:focus {
  border-color: var(--secondary-strong);
}

.pos-tempo-fields {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pos-tempo-fields .field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.pos-tempo-fields input,
.pos-tempo-fields select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-family: inherit;
  background: var(--surface);
  color: var(--on-surface);
  outline: none;
}

.pos-tempo-fields input:focus,
.pos-tempo-fields select:focus {
  border-color: var(--secondary-strong);
}

.pos-tempo-fields label {
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 500;
}

.pos-checkout-btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--secondary-strong);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  margin-top: 4px;
}

.pos-checkout-btn:hover {
  background: #055b6b;
}

.pos-checkout-btn:active {
  transform: scale(0.98);
}

.pos-checkout-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ---------- Receipt Modal ---------- */

.pos-receipt-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 24px;
}

.pos-receipt-overlay.is-hidden {
  display: none;
}

.pos-receipt-modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 400px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.pos-receipt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.pos-receipt-header h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.pos-receipt-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--muted);
  cursor: pointer;
  padding: 4px;
}

.pos-receipt-body {
  padding: 20px;
}

.receipt-paper {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--on-surface);
}

.receipt-paper .receipt-center {
  text-align: center;
}

.receipt-paper .receipt-line {
  border-bottom: 1px dashed var(--outline-variant);
  margin: 8px 0;
}

.receipt-paper .receipt-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.receipt-paper .receipt-row strong {
  text-align: right;
}

.receipt-paper .receipt-item-row {
  margin: 4px 0;
}

.receipt-paper .receipt-item-row .item-name {
  font-weight: 600;
}

.receipt-paper .receipt-item-row .item-detail {
  display: flex;
  justify-content: space-between;
  color: var(--on-surface-variant);
}

.receipt-paper .receipt-total-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 700;
  margin-top: 8px;
}

.pos-receipt-actions {
  display: flex;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.pos-receipt-actions button {
  flex: 1;
  padding: 10px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.pos-receipt-print {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
}

.pos-receipt-print:hover {
  background: #1e293b;
}

.pos-receipt-new {
  background: var(--surface);
  color: var(--on-surface);
  border: 1px solid var(--outline-variant);
}

.pos-receipt-new:hover {
  background: var(--surface-container);
}

/* ---------- Toast ---------- */

.pos-toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.pos-toast-item {
  background: var(--primary);
  color: var(--on-primary);
  padding: 12px 18px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  pointer-events: auto;
  animation: posToastIn 0.25s ease-out;
}

.pos-toast-item.is-success {
  background: #16a34a;
}

.pos-toast-item.is-error {
  background: #dc2626;
}

@keyframes posToastIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Loading ---------- */

.pos-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  font-size: 0.9rem;
  color: var(--muted);
  flex-direction: column;
  gap: 12px;
}

.pos-loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--outline-variant);
  border-top-color: var(--secondary-strong);
  border-radius: 50%;
  animation: posSpin 0.7s linear infinite;
}

@keyframes posSpin {
  to { transform: rotate(360deg); }
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .pos-main {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }

  .pos-cart {
    border-left: none;
    border-top: 1px solid var(--border);
    max-height: 50vh;
  }

  .pos-product-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  }

  .pos-payment-methods {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .pos-topbar {
    padding: 0 12px;
    height: 48px;
    min-height: 48px;
  }

  .pos-topbar .cashier-info {
    display: none;
  }

  .pos-product-grid {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 8px;
    padding: 10px 12px;
  }

  .pos-product-card {
    padding: 10px 8px;
    min-height: 72px;
  }

  .pos-search-bar {
    padding: 10px 12px;
  }
}

/* ---------- Print Styles ---------- */

@media print {
  body {
    background: #fff !important;
  }

  .pos-topbar,
  .pos-main,
  .pos-receipt-actions,
  .pos-receipt-header,
  .pos-toast {
    display: none !important;
  }

  .pos-receipt-overlay {
    position: static !important;
    background: none !important;
    padding: 0 !important;
    display: block !important;
  }

  .pos-receipt-modal {
    max-width: 80mm !important;
    max-height: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    overflow: visible !important;
  }

  .pos-receipt-body {
    padding: 4mm !important;
  }

  .receipt-paper {
    font-size: 10px;
    line-height: 1.4;
  }

  .pos-receipt-overlay.is-hidden {
    display: block !important;
  }
}

/* ---------- Auth Responsive ---------- */

@media (max-width: 760px) {
  :root {
    --gutter: 16px;
  }

  .topbar {
    min-height: auto;
    padding: 16px 0;
  }

  .auth-shell {
    min-height: auto;
    padding: 24px 0 48px;
    grid-template-columns: 1fr;
  }

  .auth-card {
    padding: 22px;
  }

  .auth-heading h1 {
    font-size: 1.5rem;
    line-height: 2rem;
  }

  .form-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
}