* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --bg: #f7f8f6;
  --surface: #ffffff;
  --text: #202423;
  --muted: #66706d;
  --line: #dde3df;
  --accent: #245b4f;
  --accent-soft: #eef3f1;
  --focus-ring: #dce9e5;
  --time: #9a4f3f;
  --danger: #b3261e;
  --border-default: 1px solid var(--line);
  --popover-shadow: 0 12px 28px rgba(32, 36, 35, .12);
  --font-body: Charter, "Bitstream Charter", "Sitka Text", Georgia, serif;
  --font-ui: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shell-width: 760px;
  --content-width: 740px;
  --page-gutter: 18px;
  --page-gutter-compact: 12px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --flow-gap: 18px;
  --section-gap: 28px;
  --stack-gap: 8px;
  --focus-shadow: 0 0 0 3px var(--focus-ring);
  --control-height: 38px;
  --control-height-mobile: 44px;
  --icon-button-size: 32px;
  --icon-button-size-mobile: 36px;
  --card-padding: 12px 14px;
  --card-padding-compact: 14px;
  --timeline-padding: 9px 11px;
  --timeline-padding-compact: 9px 10px;
  --timeline-time-column: 7.6rem;
  --timeline-time-column-compact: 7.1rem;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.38;
  margin: 0;
}

.site-header {
  background: var(--surface);
  border-bottom: var(--border-default);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header-inner {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--shell-width);
  min-height: 58px;
  padding: 0 var(--page-gutter);
}

.site-logo {
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: .03em;
  text-decoration: none;
}

.site-logo:focus {
  text-decoration: underline;
}

.account-menu {
  font-family: var(--font-ui);
  position: relative;
}

.account-menu summary {
  align-items: center;
  color: var(--text);
  cursor: pointer;
  display: flex;
  font-size: 1.16rem;
  font-weight: 700;
  height: var(--control-height);
  justify-content: center;
  list-style: none;
  padding: 0;
  width: var(--control-height);
}

.account-menu summary::-webkit-details-marker {
  display: none;
}

.account-menu summary:hover,
.account-menu summary:focus {
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  color: var(--accent);
  outline: none;
}

.account-menu-panel {
  background: var(--surface);
  border: var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--popover-shadow);
  display: grid;
  min-width: 220px;
  padding: 6px;
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 1;
}

.account-email {
  border-bottom: var(--border-default);
  color: var(--muted);
  font-size: .86rem;
  margin: 0 0 5px;
  padding: 8px 9px 10px;
}

.account-menu-panel a,
.account-menu-panel button {
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--text);
  display: block;
  font-size: .92rem;
  font-weight: 650;
  min-height: 0;
  padding: 11px 10px;
  text-align: left;
  text-decoration: none;
  width: 100%;
}

.account-menu-panel button.danger {
  background: transparent;
  border: 0;
  color: var(--danger);
}

.account-menu-panel a:hover,
.account-menu-panel a:focus,
.account-menu-panel button:hover,
.account-menu-panel button:focus {
  background: var(--accent-soft);
  color: var(--accent);
  outline: none;
}

.account-menu-panel button.danger:hover,
.account-menu-panel button.danger:focus {
  color: var(--danger);
}

.account-menu-panel form {
  margin: 0;
}

main {
  margin: 0 auto;
  max-width: var(--content-width);
  padding: 30px var(--page-gutter) 46px;
}

h1 {
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.12;
  margin: 0 0 4px;
}

.merge-actions {
  align-items: center;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.trip-title-row {
  align-items: center;
  display: flex;
  gap: 8px;
  justify-content: flex-start;
  margin: 0 0 10px;
  max-width: 100%;
  width: fit-content;
}

.trip-title {
  flex: 0 1 auto;
  margin: 0;
  min-width: 0;
}

button.icon-button {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--muted);
  display: inline-flex;
  font-size: 1.18rem;
  height: var(--icon-button-size);
  justify-content: center;
  line-height: 1;
  min-height: var(--icon-button-size);
  padding: 0;
  width: var(--icon-button-size);
}

button.icon-button:hover,
button.icon-button:focus {
  background: var(--accent-soft);
  color: var(--accent);
  outline: none;
}

.trip-title-form {
  flex-wrap: wrap;
  gap: 8px;
}

.field-error {
  color: var(--danger);
  flex-basis: 100%;
  font-family: var(--font-ui);
  font-size: .86rem;
  margin: 0;
}

.dates {
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: .95rem;
  margin: 0;
}

.timeline {
  margin-top: var(--section-gap);
}

.trip-page-heading {
  align-items: flex-start;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.trip-heading-main {
  min-width: 0;
}

.trip-tabs {
  border-bottom: var(--border-default);
  display: flex;
  gap: 22px;
  margin-top: 22px;
}

.trip-tab {
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: .94rem;
  font-weight: 700;
  margin-bottom: -1px;
  padding: 8px 1px 9px;
  text-decoration: none;
}

.trip-tab:hover,
.trip-tab:focus {
  color: var(--accent);
  outline: none;
}

.trip-tab:focus-visible {
  border-radius: var(--radius-sm);
  box-shadow: var(--focus-shadow);
}

.trip-tab.active {
  border-bottom-color: var(--accent);
  color: var(--accent);
}

.trip-tab-empty {
  margin-top: var(--section-gap);
}

.trip-detail-total {
  font-family: var(--font-ui);
  padding-top: 3px;
  text-align: right;
  white-space: nowrap;
}

.trip-total-caption {
  color: var(--muted);
  display: block;
  font-size: .75rem;
  font-weight: 750;
  letter-spacing: .03em;
  text-transform: uppercase;
}

.trip-total-amount {
  color: var(--text);
  display: block;
  font-size: 1.08rem;
  font-weight: 750;
}

.trip-list {
  margin: var(--section-gap) 0 0;
}

.trip-section {
  margin-top: var(--section-gap);
}

.merge-trips-form > .trip-section:first-of-type {
  margin-top: 0;
}

.trips-page.merge-mode .merge-trips-form > .trip-section:first-of-type {
  margin-top: var(--section-gap);
}

.trip-section-title {
  font-family: var(--font-ui);
  font-size: 1.05rem;
  margin: 0 0 10px;
}

.trip-section .trip-list,
.trip-section .notice {
  margin-bottom: 0;
  margin-top: 0;
}

.plain-list {
  list-style: none;
  padding: 0;
}

.stacked-list > * + * {
  margin-top: var(--stack-gap);
}

.surface-card {
  background: var(--surface);
  border: var(--border-default);
  border-radius: var(--radius-md);
}

.truncate {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trip-link {
  color: inherit;
  display: grid;
  gap: 2px;
  padding: var(--card-padding);
  text-decoration: none;
}

.trip-row {
  align-items: center;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  overflow: hidden;
}

.trip-row .trip-link {
  min-width: 0;
}

.trip-total {
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: .92rem;
  font-weight: 650;
  padding: 0 14px;
  text-align: right;
  white-space: nowrap;
}

.trip-row:hover,
.trip-row:focus-within {
  border-color: var(--accent);
}

.trip-link:hover,
.trip-link:focus {
  outline: none;
}

.trip-link:focus-visible {
  box-shadow: var(--focus-shadow);
}

.trip-name {
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 700;
}

.trip-select {
  align-items: center;
  align-self: stretch;
  cursor: pointer;
  display: none;
  justify-content: center;
  min-width: 50px;
  padding: 0 14px;
}

.trip-select input {
  accent-color: var(--accent);
  height: 18px;
  width: 18px;
}

.trips-page.merge-mode .trip-select {
  display: flex;
}

.merge-submit {
  display: none;
  white-space: nowrap;
}

.merge-submit.is-visible {
  display: inline-flex;
}

.cancel-merge {
  display: none;
  white-space: nowrap;
}

.trips-page.merge-mode .cancel-merge {
  display: inline-flex;
}

.day {
  margin-top: 22px;
}

.day:first-child {
  margin-top: 0;
}

.day-date {
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: .9rem;
  font-weight: 750;
  letter-spacing: 0;
  margin: 0 0 8px;
  padding-bottom: 7px;
}

.day-events {
  margin: 0;
}

.timeline-link {
  color: inherit;
  display: grid;
  grid-template-columns: var(--timeline-time-column) minmax(0, 1fr);
  column-gap: 12px;
  padding: var(--timeline-padding);
  text-decoration: none;
}

.timeline-link:hover,
.timeline-link:focus {
  border-color: var(--accent);
  outline: none;
}

.timeline-link:focus-visible {
  box-shadow: var(--focus-shadow);
}

.reservation-list {
  margin: var(--section-gap) 0 0;
}

.reservation-link {
  color: inherit;
  column-gap: 12px;
  display: grid;
  grid-template-columns: var(--timeline-time-column) minmax(0, 1fr);
  padding: var(--card-padding);
  row-gap: 2px;
  text-decoration: none;
}

.reservation-link:hover,
.reservation-link:focus {
  border-color: var(--accent);
  outline: none;
}

.reservation-link:focus-visible {
  box-shadow: var(--focus-shadow);
}

.reservation-cost {
  color: var(--time);
  font-family: var(--font-ui);
  font-size: .83rem;
  font-weight: 700;
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 2px;
  white-space: nowrap;
}

.reservation-title {
  color: var(--text);
  font-family: var(--font-ui);
  font-size: .96rem;
  font-weight: 650;
  grid-column: 2;
}

.reservation-detail {
  color: var(--muted);
  font-size: .92rem;
  grid-column: 2;
}

.summary {
  display: contents;
}

.when {
  color: var(--time);
  font-family: var(--font-ui);
  font-size: .83rem;
  font-weight: 700;
  grid-column: 1;
  padding-top: 2px;
  white-space: nowrap;
}

.title {
  color: var(--text);
  font-family: var(--font-ui);
  font-size: .96rem;
  font-weight: 650;
  grid-column: 2;
}

.detail {
  color: var(--muted);
  font-size: .92rem;
  grid-column: 2;
  margin-top: 1px;
}

.back-link {
  color: var(--accent);
  display: inline-block;
  font-family: var(--font-ui);
  font-size: .9rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.trip-item-page h1 {
  margin-bottom: var(--flow-gap);
}

.detail-section {
  margin-top: var(--section-gap);
}

.detail-section:first-of-type {
  margin-top: 0;
}

.detail-section h2 {
  border-bottom: var(--border-default);
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: .95rem;
  font-weight: 750;
  letter-spacing: 0;
  margin: 0 0 10px;
  padding-bottom: 7px;
}

.detail-section h3,
.detail-section h4 {
  color: var(--text);
  font-family: var(--font-ui);
  font-size: .95rem;
  font-weight: 750;
  margin: 0 0 10px;
}

.detail-section h4 {
  color: var(--accent);
  font-size: .9rem;
}

.detail-list {
  display: grid;
  gap: 0;
  margin: 0;
}

.detail-row {
  border-bottom: var(--border-default);
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(8rem, .42fr) minmax(0, 1fr);
  padding: 9px 0;
}

.detail-row:last-child {
  border-bottom: 0;
}

.detail-row dt {
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: .84rem;
  font-weight: 700;
}

.detail-row dd {
  font-family: var(--font-ui);
  font-size: .94rem;
  margin: 0;
  min-width: 0;
  overflow-wrap: anywhere;
}

.detail-value-row {
  align-items: center;
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: var(--icon-button-size);
}

.detail-value {
  min-width: 0;
}

button.detail-edit-button {
  flex: 0 0 auto;
  font-size: 1.05rem;
}

.detail-edit-form {
  align-items: start;
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr) auto;
  margin: -4px 0;
}

.detail-edit-controls {
  display: grid;
  gap: 7px;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  min-width: 0;
}

.detail-input-label {
  color: var(--muted);
  display: grid;
  font-size: .76rem;
  font-weight: 700;
  gap: 3px;
}

.detail-input {
  background: var(--surface);
  border: var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: .94rem;
  min-height: 36px;
  min-width: 0;
  padding: 6px 8px;
  width: 100%;
}

.detail-input:focus {
  border-color: var(--accent);
  box-shadow: var(--focus-shadow);
  outline: none;
}

.detail-field-error {
  grid-column: 1 / -1;
}

.map-link {
  color: var(--accent);
  font-size: .84rem;
  font-weight: 700;
  margin-left: .35rem;
  white-space: nowrap;
}

.missing-value {
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: .92rem;
  font-style: italic;
}

.detail-card-list {
  display: grid;
  gap: var(--stack-gap);
  margin-top: var(--stack-gap);
}

.detail-card {
  padding: var(--card-padding);
}

.detail-card .detail-card-list {
  margin-top: 12px;
}

.notice {
  background: var(--accent-soft);
  border: var(--border-default);
  border-radius: var(--radius-md);
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: .92rem;
  margin: var(--flow-gap) 0;
  padding: 10px 12px;
}

.stack-form {
  display: grid;
  gap: 9px;
  margin-top: var(--flow-gap);
}

.stack-form label,
.users-table,
button,
input {
  font-family: var(--font-ui);
}

.stack-form label {
  color: var(--muted);
  font-size: .88rem;
  font-weight: 650;
}

input[type="email"],
input[type="text"] {
  background: var(--surface);
  border: var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 1rem;
  min-height: 42px;
  padding: 8px 10px;
  width: 100%;
}

input.trip-title-input {
  background: transparent;
  border-color: transparent;
  border-radius: var(--radius-sm);
  flex: 0 1 auto;
  font-family: var(--font-body);
  font-size: 1.85rem;
  font-weight: 700;
  height: calc(1.85rem * 1.12 + 2px);
  line-height: 1.12;
  margin-left: -6px;
  min-height: 0;
  min-width: 0;
  padding: 0 5px;
  min-width: min(24rem, calc(100vw - 96px));
  width: auto;
}

input.trip-title-input:focus {
  background: var(--surface);
  border-color: var(--line);
  box-shadow: var(--focus-shadow);
  outline: none;
}

.checkbox-label {
  align-items: center;
  display: flex;
  gap: 8px;
}

button {
  align-items: center;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  color: #ffffff;
  cursor: pointer;
  display: inline-flex;
  font-size: .92rem;
  font-weight: 700;
  justify-content: center;
  min-height: var(--control-height);
  padding: 8px 12px;
}

button.danger {
  background: var(--danger);
  border-color: var(--danger);
}

button.secondary-button {
  background: var(--surface);
  border-color: var(--line);
  color: var(--text);
}

button.secondary-button:hover,
button.secondary-button:focus {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  outline: none;
}

.users-table {
  border-collapse: collapse;
  margin-top: var(--flow-gap);
  width: 100%;
}

.users-table th,
.users-table td {
  border-bottom: var(--border-default);
  font-size: .94rem;
  padding: 10px 8px;
  text-align: left;
  vertical-align: middle;
}

.users-table th {
  color: var(--muted);
  font-size: .82rem;
  font-weight: 750;
  text-transform: uppercase;
}

.action-col {
  text-align: right;
  white-space: nowrap;
}

.add-user {
  border-top: var(--border-default);
  margin-top: 30px;
  padding-top: 22px;
}

.add-user h2 {
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 750;
  letter-spacing: 0;
  margin: 0;
}

.settings-section {
  margin-top: var(--section-gap);
}

.settings-section h2,
.settings-section h3 {
  color: var(--accent);
  font-family: var(--font-ui);
  font-weight: 750;
  letter-spacing: 0;
  margin: 0;
}

.settings-section h2 {
  font-size: 1.1rem;
}

.settings-section h3 {
  font-size: 1rem;
}

.settings-description {
  color: var(--muted);
  margin: 7px 0 0;
}

.authorized-sender-list {
  margin: var(--flow-gap) 0 0;
}

.authorized-sender-row {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  padding: var(--card-padding);
}

.authorized-sender-details {
  display: grid;
  min-width: 0;
}

.authorized-sender-email {
  font-family: var(--font-ui);
  font-size: .96rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.authorized-sender-status {
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: .84rem;
}

.authorized-sender-actions {
  align-items: center;
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.authorized-sender-actions form {
  margin: 0;
}

.add-authorized-sender {
  border-top: var(--border-default);
  margin-top: 30px;
  padding-top: 22px;
}

.admin-bucket-heading {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.admin-bucket-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.admin-bucket-actions form {
  margin: 0;
}

.admin-bucket-heading a {
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: .92rem;
  white-space: nowrap;
}

.database-entries {
  display: grid;
  gap: var(--stack-gap);
  margin: var(--section-gap) 0 0;
}

.database-entry {
  overflow: hidden;
  padding: var(--card-padding);
}

.database-entry dt {
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: .9rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.database-entry dd {
  margin: 10px 0 0;
}

.database-entry pre {
  background: var(--bg);
  border: var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .84rem;
  line-height: 1.45;
  margin: 0;
  overflow-x: auto;
  padding: 10px;
  white-space: pre;
}

@media (max-width: 560px) {
  .site-header-inner {
    padding: 0 var(--page-gutter-compact);
  }

  .account-menu summary {
    font-size: 1.3rem;
    height: var(--control-height-mobile);
    width: var(--control-height-mobile);
  }

  .account-menu-panel a,
  .account-menu-panel button {
    font-size: .98rem;
    padding: 13px 11px;
  }

  main {
    padding: 22px var(--page-gutter-compact) 34px;
  }

  h1 {
    font-size: 1.5rem;
  }

  .timeline-link,
  .reservation-link {
    grid-template-columns: var(--timeline-time-column-compact) minmax(0, 1fr);
    column-gap: 9px;
  }

  .timeline-link {
    padding: var(--timeline-padding-compact);
  }

  .truncate {
    overflow: visible;
    text-overflow: clip;
    white-space: normal;
  }

  .users-table th,
  .users-table td {
    padding-left: 4px;
    padding-right: 4px;
  }

  .trip-link,
  .reservation-link {
    padding: var(--card-padding-compact);
  }

  .trip-page-heading {
    gap: 10px;
  }

  .trip-total-amount {
    font-size: 1rem;
  }

  .trip-total {
    padding: 0 10px;
  }

  .trip-select {
    min-width: 48px;
    padding: 0 14px 0 8px;
  }

  button,
  input[type="email"],
  input[type="text"] {
    min-height: var(--control-height-mobile);
  }

  button.icon-button {
    font-size: 1.28rem;
    height: var(--icon-button-size-mobile);
    min-height: var(--icon-button-size-mobile);
    width: var(--icon-button-size-mobile);
  }

  input.trip-title-input {
    font-size: 1.5rem;
    height: calc(1.5rem * 1.12 + 2px);
    min-width: min(18rem, calc(100vw - 76px));
    min-height: 0;
  }

  .detail-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .detail-value-row {
    min-height: var(--icon-button-size-mobile);
  }

  .detail-edit-controls {
    grid-template-columns: 1fr;
  }

  .detail-input {
    min-height: var(--control-height-mobile);
  }

  .authorized-sender-row {
    align-items: stretch;
    flex-direction: column;
  }

  .authorized-sender-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 420px) {
  .timeline-link {
    grid-template-columns: 1fr;
    row-gap: 2px;
  }

  .when,
  .title,
  .detail {
    grid-column: 1;
  }

  .when {
    padding-top: 0;
  }
}