:root {
  color-scheme: light;
  --color-canvas: #f5f5f5;
  --color-paper: #ffffff;
  --color-surface-alt: #fafafa;
  --color-ink: #0a0a0a;
  --color-ink-soft: #171717;
  --color-mid-gray: #737373;
  --color-hairline: #e5e5e5;
  --color-ember: #e7000b;
  --font-geist: Geist, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shadow-subtle: 0 0 0 1px rgba(23, 23, 23, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  font-family: var(--font-geist);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.43;
  color: var(--color-ink);
  background: var(--color-canvas);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  margin: 0;
}

button,
input,
select {
  font: inherit;
}

button,
select,
input[type="checkbox"] {
  accent-color: var(--color-ink-soft);
}

button {
  min-height: 40px;
  border: 0;
  border-radius: 18px;
  padding: 8px 16px;
  color: var(--color-ink);
  background: var(--color-canvas);
  font-weight: 500;
  cursor: pointer;
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-ink-soft);
  outline-offset: 3px;
}

a {
  color: var(--color-ink);
  text-underline-offset: 3px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(24px, 4vw, 30px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h2 {
  margin-bottom: 8px;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.33;
  letter-spacing: -0.6px;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
}

.skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 10;
  transform: translateY(-160%);
  border-radius: 18px;
  padding: 8px 12px;
  color: var(--color-paper);
  background: var(--color-ink);
}

.skip-link:focus {
  transform: translateY(0);
}

.page-shell {
  width: min(100% - 32px, 1120px);
  margin: 0 auto;
  padding: 32px 0 48px;
}

.loading-message {
  margin: 0;
  color: var(--color-mid-gray);
}

.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.eyebrow,
.field-label,
.stat-label,
.small-label {
  display: block;
  margin-bottom: 8px;
  color: var(--color-mid-gray);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.33;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.header-copy p:last-child {
  margin: 8px 0 0;
  color: var(--color-mid-gray);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.button-primary {
  color: var(--color-paper);
  background: var(--color-ink);
}

.button-secondary {
  color: var(--color-ink);
  background: var(--color-canvas);
}

.button-outline {
  border: 1px solid var(--color-hairline);
  color: var(--color-ink);
  background: transparent;
}

.card {
  min-width: 0;
  border: 1px solid var(--color-hairline);
  border-radius: 24px;
  padding: 20px;
  background: var(--color-paper);
  box-shadow: var(--shadow-subtle);
}

.login-card {
  width: min(100%, 480px);
  margin: 48px auto 0;
  padding: 28px;
}

.login-card p {
  color: var(--color-mid-gray);
}

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

.field label {
  font-weight: 500;
}

.field input,
.field select,
.search-input {
  width: 100%;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 18px;
  padding: 8px 12px;
  color: var(--color-ink);
  background: var(--color-canvas);
}

.field input:focus,
.field select:focus,
.search-input:focus {
  border-color: var(--color-hairline);
  background: var(--color-paper);
}

.login-form {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.form-error,
.error-banner {
  border: 1px solid rgba(231, 0, 11, 0.25);
  border-radius: 18px;
  padding: 12px 16px;
  color: var(--color-ember);
  background: var(--color-paper);
}

.error-banner {
  margin: 0 0 20px;
}

.status-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  color: var(--color-mid-gray);
}

.status-line p {
  margin: 0;
}

.status-line strong {
  color: var(--color-ink);
  font-weight: 500;
}

.stale-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0 0 20px;
  border: 1px solid rgba(231, 0, 11, 0.25);
  border-radius: 18px;
  padding: 14px 16px;
  color: var(--color-ink);
  background: var(--color-paper);
}

.stale-banner p {
  margin: 0;
}

.stale-mark {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--color-ember);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 12px;
}

.stat-card {
  min-height: 126px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stat-card .stat-label {
  margin: 0;
}

.stat-value {
  display: block;
  overflow-wrap: anywhere;
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
  font-variant-numeric: tabular-nums;
}

.totals-note {
  margin: 0 0 32px;
  color: var(--color-mid-gray);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.95fr);
  align-items: start;
  gap: 16px;
  margin-bottom: 16px;
}

.card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.card-heading p {
  margin: 4px 0 0;
  color: var(--color-mid-gray);
}

.round-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(150px, 0.8fr);
  align-items: end;
  gap: 12px;
  margin-bottom: 16px;
}

.round-amount {
  min-height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  padding: 4px 12px;
  border-radius: 18px;
  background: var(--color-surface-alt);
}

.round-amount span:first-child {
  color: var(--color-mid-gray);
  font-size: 12px;
}

.round-amount strong {
  font-variant-numeric: tabular-nums;
}

.search-field {
  margin-bottom: 16px;
}

.search-field label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.roster-summary {
  margin: 0 0 8px;
  color: var(--color-mid-gray);
}

.member-list {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.member-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--color-hairline);
  padding: 8px 0;
}

.member-select {
  min-width: 0;
  display: grid;
  justify-items: start;
  gap: 2px;
  border-radius: 18px;
  padding: 8px 10px;
  text-align: left;
  background: transparent;
}

.member-select[aria-pressed="true"] {
  background: var(--color-canvas);
}

.member-name {
  overflow-wrap: anywhere;
  font-weight: 500;
}

.member-code {
  color: var(--color-mid-gray);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.badge {
  flex: none;
  border-radius: 18px;
  padding: 3px 9px;
  color: var(--color-ink-soft);
  background: var(--color-canvas);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

.badge-paid {
  color: var(--color-paper);
  background: var(--color-ink-soft);
}

.badge-unknown {
  border: 1px solid var(--color-hairline);
  background: transparent;
}

.empty-list {
  padding: 16px 4px;
  color: var(--color-mid-gray);
}

.payment-card {
  min-height: 240px;
}

.payment-empty {
  display: grid;
  align-content: center;
  min-height: 190px;
  color: var(--color-mid-gray);
}

.member-summary {
  margin: 16px 0;
  border: 1px solid var(--color-hairline);
  border-radius: 18px;
  padding: 14px;
  background: var(--color-surface-alt);
}

.member-summary dl,
.payment-details {
  display: grid;
  grid-template-columns: minmax(112px, 0.6fr) minmax(0, 1fr);
  gap: 8px 12px;
  margin: 0;
}

.member-summary dt,
.payment-details dt {
  color: var(--color-mid-gray);
}

.member-summary dd,
.payment-details dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  font-weight: 500;
}

.confirmation-form {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.confirmation-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--color-ink-soft);
}

.confirmation-check input {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
}

.payment-state {
  margin: 16px 0 0;
  border-radius: 18px;
  padding: 12px 14px;
  background: var(--color-canvas);
}

.payment-state p:last-child {
  margin-bottom: 0;
}

.qr-layout {
  display: grid;
  grid-template-columns: minmax(200px, 0.8fr) minmax(0, 1.2fr);
  align-items: start;
  gap: 20px;
  margin-top: 20px;
}

.qr-image-wrap {
  display: grid;
  justify-items: center;
  gap: 8px;
  border: 1px solid var(--color-hairline);
  border-radius: 24px;
  padding: 16px;
  background: var(--color-paper);
}

.qr-image {
  display: block;
  width: min(100%, 260px);
  aspect-ratio: 1;
  object-fit: contain;
  background: var(--color-paper);
}

.qr-caption {
  margin: 0;
  color: var(--color-mid-gray);
  text-align: center;
}

.qr-copy {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.qr-content {
  display: block;
  overflow-wrap: anywhere;
  border: 1px solid var(--color-hairline);
  border-radius: 18px;
  padding: 10px 12px;
  background: var(--color-surface-alt);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
}

.payment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.subtle-note {
  margin: 12px 0 0;
  color: var(--color-mid-gray);
}

.expense-card {
  margin-top: 16px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-hairline);
  border-radius: 18px;
}

.expense-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  text-align: left;
}

.expense-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.expense-table th,
.expense-table td {
  border-bottom: 1px solid var(--color-hairline);
  padding: 12px;
  vertical-align: top;
}

.expense-table tr:last-child td {
  border-bottom: 0;
}

.expense-table th {
  color: var(--color-mid-gray);
  font-size: 12px;
  font-weight: 500;
}

.expense-table td:last-child,
.expense-table th:last-child {
  white-space: nowrap;
}

.money-cell {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.no-expenses {
  margin: 16px 0 0;
  color: var(--color-mid-gray);
}

.page-footer {
  margin-top: 28px;
  color: var(--color-mid-gray);
  font-size: 13px;
}

.page-footer p {
  margin: 0;
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 24px, 560px);
    padding-top: 20px;
  }

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

  .header-actions {
    width: 100%;
  }

  .header-actions button {
    flex: 1;
  }

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

  .stat-card {
    min-height: 96px;
  }

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

  .round-control {
    grid-template-columns: 1fr;
  }

  .qr-layout {
    grid-template-columns: 1fr;
  }

  .qr-image-wrap {
    width: min(100%, 340px);
    margin: 0 auto;
  }

  .table-wrap {
    overflow: visible;
    border: 0;
    border-radius: 0;
  }

  .expense-table {
    display: block;
    min-width: 0;
    border-collapse: separate;
  }

  .expense-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
  }

  .expense-table tbody {
    display: grid;
    gap: 12px;
  }

  .expense-table tbody > tr {
    display: grid;
    border: 1px solid var(--color-hairline);
    border-radius: 24px;
    padding: 8px 12px;
    background: var(--color-paper);
  }

  .expense-table tbody > tr > td {
    display: grid;
    grid-template-columns: minmax(72px, 0.42fr) minmax(0, 1fr);
    gap: 12px;
    border-bottom: 1px solid var(--color-hairline);
    padding: 10px 0;
    overflow-wrap: anywhere;
  }

  .expense-table tbody > tr > td::before {
    content: attr(data-label);
    color: var(--color-mid-gray);
    font-size: 12px;
    font-weight: 500;
  }

  .expense-table tbody > tr:last-child > td {
    border-bottom: 0;
  }

  .expense-table td:last-child,
  .expense-table th:last-child,
  .expense-table .money-cell {
    white-space: normal;
  }
}

@media (max-width: 420px) {
  .card {
    padding: 16px;
  }

  .login-card {
    padding: 20px;
  }

  h2 {
    font-size: 21px;
  }

  .member-summary dl,
  .payment-details {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .member-summary dd,
  .payment-details dd {
    margin-bottom: 8px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  button,
  a {
    transition: background-color 120ms ease, color 120ms ease;
  }
}