:root {
  color-scheme: light;
  --bg: #dcecff;
  --surface: #ffffff;
  --surface-2: #eef3f2;
  --text: #14201f;
  --muted: #60706d;
  --line: #d9e1df;
  --accent: #16735f;
  --accent-strong: #0d5c4a;
  --warn: #9a5a00;
  --danger: #a13a32;
  --ok: #17663f;
  --focus: #2a7ec7;
  --shadow: 0 10px 24px rgba(31, 45, 43, 0.06);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 20px 20px, rgba(111, 160, 230, 0.16) 0 1.5px, transparent 1.5px),
    linear-gradient(rgba(111, 160, 230, 0.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111, 160, 230, 0.11) 1px, transparent 1px);
  background-size: 96px 96px, 96px 96px, 96px 96px;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  gap: 14px;
  margin: 0 auto;
  max-width: 1540px;
  min-height: 100vh;
  padding: 18px 24px 28px;
}

.view-tabs {
  display: flex;
  gap: 12px;
  padding: 2px 0 0;
}

.view-tab {
  align-items: center;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(208, 219, 217, 0.98);
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(31, 45, 43, 0.04);
  color: #6d7d79;
  display: inline-flex;
  flex: 0 0 132px;
  font-size: 15px;
  font-weight: 700;
  height: 48px;
  justify-content: center;
  line-height: 1;
  padding: 0 14px;
  text-align: center;
  transition: border-color 140ms ease, box-shadow 140ms ease, color 140ms ease, background 140ms ease;
  white-space: nowrap;
}

.view-tab:hover,
.view-tab:focus-visible {
  border-color: rgba(42, 126, 199, 0.42);
  box-shadow: 0 8px 16px rgba(31, 45, 43, 0.07);
  outline: none;
}

.view-tab.is-active {
  background: rgba(22, 115, 95, 0.08);
  border-color: var(--accent);
  color: var(--accent-strong);
  box-shadow: 0 8px 16px rgba(22, 115, 95, 0.08);
}

.tab-stage {
  display: grid;
  width: 100%;
}

.view-panel {
  align-content: start;
  display: grid;
  gap: 16px;
  grid-area: 1 / 1;
  opacity: 1;
  transition: opacity 120ms ease;
  width: 100%;
}

.view-panel.is-inactive {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

#returnView {
  align-items: start;
  grid-template-columns: minmax(0, 1fr) 314px;
}

#returnView .results-section {
  grid-column: 1;
}

.topbar,
.scan-panel,
.sale-section,
.checkout-panel,
.results-section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.topbar {
  align-items: center;
  display: flex;
  min-height: 0;
  padding: 18px 22px;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: 26px;
  line-height: 1.15;
}

h2 {
  font-size: 17px;
  line-height: 1.25;
}

.muted,
.status-line,
.empty-state,
.last-result {
  color: var(--muted);
}

.header-controls {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  min-height: 48px;
  width: 100%;
}

.profile-control,
.client-control,
.auth-control {
  align-items: center;
  display: flex;
  gap: 10px;
  position: relative;
  white-space: nowrap;
}

.auth-control {
  margin-left: auto;
  order: 4;
}

.profile-control {
  flex: 0 0 300px;
  order: 1;
}

.client-control {
  flex: 1 1 520px;
  min-width: 360px;
  order: 2;
}

.client-finance {
  order: 3;
}

.auth-login,
.auth-session {
  align-items: center;
  display: flex;
  gap: 8px;
}

.profile-control span,
.client-control span,
.scan-panel label {
  color: var(--muted);
  font-size: 14px;
}

.client-control input {
  font-size: 15px;
  min-width: 0;
  width: 100%;
}

#staffLogin,
#staffPassword {
  font-size: 15px;
  min-width: 170px;
  width: 170px;
}

.client-finance {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 42px;
}

.client-finance[hidden] {
  display: none;
}

.finance-chip {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  display: inline-flex;
  gap: 6px;
  min-height: 34px;
  padding: 6px 10px;
}

.finance-chip strong {
  color: var(--text);
}

.finance-chip.warn strong {
  color: var(--warn);
}

.finance-chip.danger strong {
  color: var(--danger);
}

.client-results {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 6px;
  left: 60px;
  max-height: 390px;
  min-width: 520px;
  overflow: auto;
  padding: 8px;
  position: absolute;
  top: calc(100% + 8px);
  white-space: normal;
  z-index: 20;
}

.client-results[hidden] {
  display: none;
}

.product-history {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 6px;
  left: 0;
  max-height: 320px;
  overflow: auto;
  padding: 8px;
  position: absolute;
  right: 62px;
  top: calc(100% + 8px);
  z-index: 20;
}

.product-history[hidden] {
  display: none;
}

.client-result,
.client-search-note,
.product-history-note {
  border-radius: 6px;
  padding: 10px;
}

.client-results-head,
.product-history-head {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  padding: 6px 6px 10px;
}

.client-history-clear,
.product-history-clear {
  background: transparent;
  border: 0;
  color: var(--muted);
  min-height: 30px;
  padding: 0 6px;
}

.client-history-clear:hover,
.product-history-clear:hover {
  color: var(--danger);
}

.client-result {
  background: var(--surface-2);
  border: 1px solid var(--line);
  cursor: pointer;
  display: grid;
  gap: 4px;
  text-align: left;
}

.client-result.history {
  background: #f8faf9;
}

.client-result:hover,
.client-result:focus-visible {
  border-color: var(--focus);
}

.client-result.phone-priority {
  background: #fff8df;
  border-color: #d9a91f;
}

.client-result-title {
  align-items: center;
  display: flex;
  gap: 8px;
  justify-content: space-between;
}

.client-result-meta,
.client-search-note,
.product-history-note {
  color: var(--muted);
  font-size: 13px;
}

.product-history-item {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  padding: 10px;
  text-align: left;
}

.product-history-item:hover,
.product-history-item:focus-visible {
  border-color: var(--focus);
}

.client-result-tags {
  color: var(--accent-strong);
  font-size: 12px;
}

.client-phone-hit {
  color: var(--warn);
  font-size: 13px;
  font-weight: 700;
}

.client-profile {
  color: #0c6b82;
  font-size: 13px;
  font-weight: 700;
}

mark {
  background: #ffd65a;
  border-radius: 3px;
  color: #221a00;
  padding: 0 2px;
}

select,
input {
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--text);
  min-height: 48px;
  outline: none;
}

select {
  background: var(--surface-2);
  padding: 0 40px 0 16px;
}

input {
  font-size: 17px;
  padding: 0 16px;
  width: 100%;
}

input:focus,
select:focus,
button:focus-visible {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px rgba(42, 126, 199, 0.18);
}

.scan-panel {
  display: grid;
  gap: 10px;
  padding: 16px 18px;
}

.scan-row {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr) 52px;
  position: relative;
}

.icon-button,
.ghost-button,
.sell-button {
  border: 1px solid var(--line);
  border-radius: 14px;
  min-height: 48px;
}

.icon-button {
  align-items: center;
  background: var(--accent);
  color: white;
  display: inline-flex;
  font-size: 24px;
  font-weight: 700;
  justify-content: center;
  width: 50px;
}

.icon-button.small {
  background: var(--surface-2);
  color: var(--text);
  font-size: 22px;
  min-height: 36px;
  width: 40px;
}

.ghost-button {
  background: var(--surface-2);
  color: var(--text);
  padding: 0 14px;
}

.workspace {
  align-items: start;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr) 314px;
  min-height: 540px;
}

.sale-section,
.checkout-panel,
.results-section {
  padding: 16px 18px;
}

.section-head {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
}

.table-wrap {
  min-height: 420px;
  overflow-x: auto;
  position: relative;
}

table {
  border-collapse: collapse;
  min-width: 780px;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 11px 8px;
  text-align: left;
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

td {
  font-size: 15px;
}

.product-cell {
  display: grid;
  gap: 3px;
  min-width: 260px;
}

.product-title {
  font-weight: 700;
}

.product-meta {
  color: var(--muted);
  font-size: 13px;
}

.qty-control {
  align-items: center;
  display: grid;
  grid-template-columns: 34px 48px 34px;
  width: 116px;
}

.qty-control button,
.remove-button {
  background: var(--surface-2);
  border: 1px solid var(--line);
  min-height: 34px;
}

.qty-control button:first-child {
  border-radius: 6px 0 0 6px;
}

.qty-control button:last-child {
  border-radius: 0 6px 6px 0;
}

.qty-control input {
  border-left: 0;
  border-radius: 0;
  border-right: 0;
  font-size: 15px;
  min-height: 34px;
  padding: 0;
  text-align: center;
}

.remove-button {
  border-radius: 6px;
  color: var(--danger);
  width: 38px;
}

.empty-state {
  align-items: center;
  display: flex;
  inset: 52px 0 0;
  justify-content: center;
  pointer-events: none;
  position: absolute;
}

.empty-state[hidden] {
  display: none;
}

.checkout-panel {
  display: grid;
  gap: 14px;
  position: sticky;
  top: 18px;
}

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

.panel-head {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.payment-badge {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  min-height: 28px;
  padding: 5px 10px;
}

.payment-badge.warn {
  color: var(--warn);
}

.payment-badge.ok {
  color: var(--ok);
}

.payment-modes {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.payment-mode {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font-weight: 600;
  min-height: 40px;
  padding: 0 10px;
}

.payment-mode.is-active {
  background: rgba(22, 115, 95, 0.08);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.payment-fields {
  display: grid;
  gap: 10px;
}

.payment-field {
  display: grid;
  gap: 6px;
}

.payment-field label,
.payment-note,
.payment-summary,
.toggle-control span {
  color: var(--muted);
  font-size: 13px;
}

.payment-field select,
.payment-field input {
  min-height: 40px;
}

.mixed-payment-grid {
  display: grid;
  gap: 10px;
}

.mixed-payment-row {
  align-items: end;
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr) 108px;
}

.toggle-control {
  align-items: center;
  display: flex;
  gap: 8px;
}

.toggle-control input {
  min-height: 18px;
  width: 18px;
}

.payment-summary {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 4px;
  padding: 10px;
}

.payment-summary strong {
  color: var(--text);
}

.payment-note {
  background: #fff8df;
  border: 1px solid #e9d28c;
  border-radius: 6px;
  color: var(--warn);
  padding: 8px 10px;
}

.summary-row {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  padding-bottom: 10px;
}

.summary-row span {
  color: var(--muted);
}

.summary-row strong {
  font-size: 20px;
}

.sell-button {
  background: var(--accent);
  color: white;
  font-size: 20px;
  font-weight: 800;
  min-height: 54px;
}

.sell-button:not(:disabled):hover,
.icon-button:hover {
  background: var(--accent-strong);
}

.sell-button:disabled {
  background: #b8c6c2;
  color: #eef4f2;
  cursor: not-allowed;
}

.last-result {
  min-height: 44px;
}

.status-ok {
  color: var(--ok);
}

.status-warn {
  color: var(--warn);
}

.status-danger {
  color: var(--danger);
}

.log-list {
  display: grid;
  gap: 8px;
  list-style-position: inside;
  margin: 0;
  padding: 0;
}

.log-list li {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0;
}

.log-card {
  display: grid;
  gap: 10px;
  padding: 12px;
}

.log-card-head,
.return-panel-head,
.return-item-head {
  align-items: center;
  display: flex;
  gap: 10px;
  justify-content: space-between;
}

.log-card-title,
.return-item-title {
  display: grid;
  gap: 3px;
}

.log-card-meta,
.return-item-meta,
.return-help,
.return-summary,
.return-empty {
  color: var(--muted);
  font-size: 13px;
}

.log-card-actions,
.return-payment-modes,
.return-item-grid,
.return-panel-grid {
  display: grid;
  gap: 8px;
}

.log-card-actions {
  grid-template-columns: repeat(auto-fit, minmax(120px, max-content));
}

.mini-button {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font-weight: 600;
  min-height: 34px;
  padding: 0 10px;
}

.mini-button.accent {
  background: rgba(22, 115, 95, 0.08);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.return-panel {
  display: grid;
  gap: 14px;
  min-height: 0;
}

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

.return-search-item {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 8px;
  padding: 10px;
  text-align: left;
}

.return-search-item:hover,
.return-search-item:focus-visible {
  border-color: var(--focus);
}

.return-search-client {
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.return-shipment-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 10px;
  padding: 12px;
}

.return-goods-list {
  display: grid;
  gap: 6px;
}

.return-goods-row {
  align-items: baseline;
  display: grid;
  gap: 6px 10px;
  grid-template-columns: minmax(160px, 220px) minmax(0, 1fr) auto auto;
}

.return-goods-row strong {
  color: var(--text);
}

.return-goods-row span {
  color: var(--muted);
  font-size: 13px;
}

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

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

.return-payment-mode {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font-weight: 600;
  min-height: 40px;
  padding: 0 10px;
}

.return-payment-mode.is-active {
  background: rgba(22, 115, 95, 0.08);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.return-items {
  display: grid;
  gap: 10px;
  align-content: start;
  margin-bottom: auto;
}

.return-item {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 10px;
  padding: 12px;
}

.return-item-grid {
  align-items: end;
  grid-template-columns: 120px 140px;
}

.return-item-grid input,
.return-item-grid select {
  min-height: 38px;
}

.return-summary {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 4px;
  padding: 10px;
}

.return-summary strong {
  color: var(--text);
}

.return-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

dialog {
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  max-width: 720px;
  width: min(720px, calc(100vw - 32px));
}

dialog::backdrop {
  background: rgba(11, 22, 20, 0.36);
}

.dialog-head {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
}

.choice-list {
  display: grid;
  gap: 8px;
}

.choice-row {
  align-items: center;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 60px;
  padding: 10px;
  text-align: left;
}

.return-panel-head {
  justify-content: flex-end;
  min-height: 0;
}

.return-panel-head .return-item-title:empty {
  display: none;
}

.results-section[aria-label="Журнал операций"] {
  min-height: 180px;
}

@media (max-width: 900px) {
  .topbar,
  .workspace {
    display: grid;
    grid-template-columns: 1fr;
  }

  .view-panel,
  .workspace,
  .return-panel,
  .results-section[aria-label="Возврат товара"] {
    min-height: 0;
  }

  #returnView {
    grid-template-columns: 1fr;
  }

  .header-controls {
    display: grid;
    grid-template-columns: 1fr;
  }

  .auth-control {
    margin-left: 0;
    justify-self: start;
  }

  .client-control input {
    min-width: 0;
    width: 100%;
  }

  .client-finance {
    align-items: stretch;
  }

  .client-results {
    left: 0;
    min-width: 0;
    width: 100%;
  }

  .checkout-panel {
    position: static;
  }

  .payment-modes {
    grid-template-columns: 1fr;
  }

  .mixed-payment-row {
    grid-template-columns: 1fr;
  }

  .return-panel-grid,
  .return-payment-modes,
  .return-item-grid {
    grid-template-columns: 1fr;
  }

  .return-goods-row {
    grid-template-columns: 1fr;
  }

  .view-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .view-tab {
    flex-basis: auto;
    font-size: 16px;
    height: 50px;
    min-width: 0;
    width: 100%;
  }
}

@media (max-width: 560px) {
  .app-shell {
    padding: 10px;
  }

  h1 {
    font-size: 22px;
  }

  .view-tabs {
    grid-template-columns: 1fr;
  }

  .view-tab {
    font-size: 17px;
    height: 60px;
  }

  .profile-control,
  .client-control {
    align-items: start;
    display: grid;
  }

  input {
    font-size: 17px;
  }
}