:root {
  --bg: #eef2ef;
  --panel: #ffffff;
  --ink: #202523;
  --muted: #66706a;
  --line: #dfe6e1;
  --green: #246b45;
  --green-dark: #174c31;
  --amber: #f4b03e;
  --shadow: 0 18px 42px rgba(28, 43, 35, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(120deg, rgba(36, 107, 69, 0.08), rgba(244, 176, 62, 0.08)), var(--bg);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.pos-shell {
  display: grid;
  grid-template-columns: minmax(340px, 440px) minmax(0, 1fr);
  gap: 18px;
  width: min(1440px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px;
}

.sale-panel,
.catalog-panel {
  min-width: 0;
  border: 1px solid rgba(32, 37, 35, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.sale-panel {
  display: grid;
  grid-template-rows: auto minmax(280px, 1fr) auto auto;
  overflow: hidden;
}

.topbar,
.catalog-header,
.ticket-head,
.totals,
.payment {
  padding: 18px;
}

.topbar,
.catalog-header,
.ticket-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--green);
  color: #fff;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small,
.eyebrow,
.sale-note,
.empty-ticket span {
  color: var(--muted);
}

.shift-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  font-weight: 700;
  color: var(--green-dark);
}

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

.ghost-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--green-dark);
  font-weight: 800;
  text-decoration: none;
}

.hidden {
  display: none !important;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2ab46f;
  box-shadow: 0 0 0 5px rgba(42, 180, 111, 0.16);
}

.ticket {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.eyebrow {
  margin: 0 0 4px;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 1.55rem;
}

h2 {
  font-size: 1.35rem;
}

.ghost-button,
.method,
.tab,
.quantity-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-weight: 800;
}

.ghost-button {
  padding: 10px 14px;
}

.ticket-items {
  display: grid;
  align-content: start;
  gap: 10px;
  height: calc(100% - 78px);
  min-height: 250px;
  padding: 0 18px 18px;
  overflow: auto;
}

.empty-ticket {
  display: grid;
  place-items: center;
  align-content: center;
  min-height: 220px;
  border: 1px dashed #cbd6cf;
  border-radius: 8px;
  text-align: center;
}

.ticket-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.ticket-row strong,
.ticket-row span {
  display: block;
}

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

.quantity-controls {
  display: grid;
  grid-template-columns: 34px 28px 34px;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.quantity-button {
  width: 34px;
  height: 34px;
}

.totals {
  display: grid;
  gap: 10px;
}

.totals div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.grand-total {
  align-items: end;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 1.35rem;
}

.payment {
  display: grid;
  gap: 12px;
}

.payment-methods,
.category-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
}

.method,
.tab {
  min-height: 42px;
  padding: 0 14px;
  white-space: nowrap;
}

.method.is-active,
.tab.is-active {
  border-color: var(--green);
  background: #e8f3ec;
  color: var(--green-dark);
}

.pay-button {
  min-height: 56px;
  border: 0;
  border-radius: 8px;
  background: var(--green);
  color: #fff;
  font-size: 1.08rem;
  font-weight: 900;
}

.pay-button:hover {
  background: var(--green-dark);
}

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

.sale-note {
  min-height: 24px;
  margin: 0;
}

.catalog-panel {
  padding: 18px;
}

.catalog-header {
  padding: 0;
  margin-bottom: 16px;
}

.catalog-header input {
  width: min(320px, 45%);
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 14px;
  background: #fff;
}

.category-tabs {
  margin-bottom: 16px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.product-card {
  display: grid;
  gap: 12px;
  min-height: 152px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  text-align: left;
  box-shadow: 0 8px 20px rgba(28, 43, 35, 0.06);
}

.product-card:hover {
  border-color: rgba(36, 107, 69, 0.55);
}

.product-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: #f1f5f2;
  font-weight: 900;
  color: var(--green-dark);
}

.product-card strong {
  display: block;
}

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

.product-price {
  color: var(--green-dark);
  font-weight: 900;
}

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

  .sale-panel {
    min-height: 720px;
  }
}

@media (max-width: 620px) {
  .pos-shell {
    padding: 10px;
  }

  .topbar,
  .catalog-header,
  .ticket-head {
    align-items: stretch;
    flex-direction: column;
  }

  .shift-status {
    align-self: flex-start;
  }

  .user-actions {
    align-self: stretch;
  }

  .ghost-link {
    justify-content: center;
    flex: 1;
  }

  .catalog-header input {
    width: 100%;
  }

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

.auth-body {
  display: grid;
  place-items: center;
  padding: 18px;
}

.auth-shell {
  width: min(420px, 100%);
}

.auth-form,
.price-editor {
  display: grid;
  gap: 18px;
  border: 1px solid rgba(32, 37, 35, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  padding: 22px;
}

.auth-brand {
  margin-bottom: 8px;
}

.auth-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 800;
}

.auth-form input,
.price-row input {
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: #fff;
  color: var(--ink);
}

.auth-error {
  margin: 0;
  color: #a8372b;
  font-weight: 800;
}

.prices-shell {
  width: min(860px, calc(100% - 24px));
  margin: 0 auto;
  padding: 18px 0;
}

.prices-topbar {
  margin-bottom: 18px;
  border: 1px solid rgba(32, 37, 35, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.editor-head,
.price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.save-prices {
  width: auto;
  padding: 0 18px;
}

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

.price-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fbfcfb;
}

.price-row span,
.price-row small {
  display: block;
}

.price-row small {
  color: var(--muted);
}

.price-row input {
  width: 130px;
  text-align: right;
  font-weight: 900;
}

@media (max-width: 620px) {
  .editor-head,
  .price-row {
    align-items: stretch;
    flex-direction: column;
  }

  .save-prices,
  .price-row input {
    width: 100%;
  }
}

@media (max-width: 420px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}