:root {
  color-scheme: light dark;
  --serif: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  --max-width: 50rem;
  --prose-width: 40rem;
  --bg: #fbfaf8;
  --surface: #f1efeb;
  --text: #171717;
  --text-muted: #5f5a52;
  --text-faint: #80796e;
  --line: #d6d0c7;
  --accent: #1f3aa6;
  --danger: #a12828;
  --ok: #2b6f48;
  --topbar-bg: color-mix(in srgb, var(--bg) 88%, transparent);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c0d10;
    --surface: #17181c;
    --text: #f2f0eb;
    --text-muted: #b2aca2;
    --text-faint: #8d877e;
    --line: #303136;
    --accent: #93a8f0;
    --danger: #ff8f8f;
    --ok: #7bc99b;
  }
}

:root[data-theme="dark"] {
  --bg: #0c0d10;
  --surface: #17181c;
  --text: #f2f0eb;
  --text-muted: #b2aca2;
  --text-faint: #8d877e;
  --line: #303136;
  --accent: #93a8f0;
  --danger: #ff8f8f;
  --ok: #7bc99b;
}

:root[data-theme="light"] {
  --bg: #fbfaf8;
  --surface: #f1efeb;
  --text: #171717;
  --text-muted: #5f5a52;
  --text-faint: #80796e;
  --line: #d6d0c7;
  --accent: #1f3aa6;
  --danger: #a12828;
  --ok: #2b6f48;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  font-variant-numeric: tabular-nums;
  scroll-behavior: smooth;
}

body {
  min-width: 0;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
}

body,
button,
input,
select {
  font: 16px/1.55 var(--sans);
}

button,
input,
select {
  color: inherit;
}

button,
select,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

h1,
h2 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: 0;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1rem;
  font-size: clamp(3.2rem, 17vw, 7rem);
  font-style: italic;
  line-height: 0.9;
}

h2 {
  margin-bottom: 0.55rem;
  font-size: clamp(2.2rem, 11vw, 4.4rem);
  line-height: 0.95;
}

h3 {
  margin-bottom: 0.25rem;
  font-size: 1rem;
  font-weight: 650;
}

p {
  color: var(--text-muted);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 80;
  transform: translateY(-180%);
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--accent);
  padding: 0.7rem 0.85rem;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: minmax(7.5rem, 0.8fr) minmax(0, 2fr) auto;
  gap: 0.75rem;
  align-items: stretch;
  border-bottom: 1px solid var(--line);
  background: var(--topbar-bg);
  padding: max(0.6rem, env(safe-area-inset-top)) max(0.75rem, env(safe-area-inset-right)) 0.6rem max(0.75rem, env(safe-area-inset-left));
  backdrop-filter: saturate(140%) blur(8px);
}

.brand {
  display: grid;
  align-content: center;
  min-height: 44px;
  color: var(--text);
  text-decoration: none;
}

.brand span,
.brand strong,
.kicker,
.section-index,
.day-meta,
.activity-meta,
.route-meta,
.evidence-item span,
.panel-nav button,
.day-tab,
.theme-toggle,
.text-button,
.sync-note,
label,
.tally,
.route-summary span,
.budget-result span,
.weather-chip,
.fx-control,
.progress-track,
.map-link {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.brand span {
  color: var(--text);
}

.brand strong {
  color: var(--text-faint);
  font-weight: 500;
}

.panel-nav {
  display: flex;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.panel-nav::-webkit-scrollbar,
.day-tabs::-webkit-scrollbar {
  display: none;
}

.panel-nav button,
.theme-toggle,
.day-tab,
.text-button,
.weather-chip,
.delete-button,
.idea-row button,
.expense-form button {
  min-height: 44px;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: var(--text-faint);
  padding: 0 0.65rem;
}

.panel-nav button.is-active,
.day-tab.is-active,
.theme-toggle:hover,
.text-button:hover,
.weather-chip:hover {
  border-bottom-color: var(--accent);
  color: var(--accent);
}

.theme-toggle {
  border-left: 1px solid var(--line);
}

.app-shell {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 0 max(1rem, env(safe-area-inset-right)) 4rem max(1rem, env(safe-area-inset-left));
}

.ledger-section {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: 1.4rem;
  border-top: 1px solid var(--line);
  padding: 2.4rem 0;
}

.hero {
  min-height: calc(100dvh - 4.5rem);
  align-content: center;
  border-top: 0;
}

.section-index {
  color: var(--text-faint);
}

.section-index span {
  display: block;
}

.hero-copy,
.ledger-section > div:last-child,
.day-body {
  max-width: var(--prose-width);
}

.kicker {
  margin-bottom: 1.2rem;
  color: var(--text-faint);
}

.lede {
  max-width: 38rem;
  margin-bottom: 1rem;
  font-size: 1.08rem;
}

.evidence-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 2rem 0 1rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.evidence-item {
  min-width: 0;
  padding: 1rem 0.8rem 1rem 0;
}

.evidence-item + .evidence-item {
  border-left: 1px solid var(--line);
  padding-left: 0.8rem;
}

.evidence-item strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.1rem, 8vw, 3.4rem);
  font-style: italic;
  font-weight: 400;
  line-height: 0.9;
}

.evidence-item span,
.sync-note {
  color: var(--text-faint);
}

.sync-status {
  display: grid;
  gap: 0.8rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

.sync-status[hidden] {
  display: none;
}

.sync-status p {
  margin: 0;
}

.sync-status.is-warning {
  color: var(--accent);
}

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

.key-form,
.idea-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.6rem;
}

.key-form label {
  grid-column: 1 / -1;
}

.key-form button,
.idea-row button,
.expense-form button,
.delete-button {
  border: 1px solid var(--line);
  color: var(--accent);
}

input,
select {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--bg);
  padding: 0 0.75rem;
}

label {
  display: grid;
  gap: 0.35rem;
  color: var(--text-faint);
}

.day-tabs {
  position: sticky;
  top: 4.25rem;
  z-index: 30;
  display: flex;
  gap: 0.35rem;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--topbar-bg);
  padding: 0.4rem 0;
  backdrop-filter: saturate(140%) blur(8px);
}

.day-tab {
  flex: 0 0 auto;
}

.day-ledger {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: 1.4rem;
}

.day-meta,
.activity-meta,
.route-meta {
  color: var(--text-faint);
}

.day-title-row {
  display: flex;
  gap: 0.75rem;
  align-items: start;
  justify-content: space-between;
}

.weather-chip {
  display: inline-flex;
  align-items: center;
  margin: 0.3rem 0 1rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0.55rem 0;
}

.weather-chip[hidden],
.weather-drawer[hidden],
.panel-view[hidden],
.day-section[hidden] {
  display: none;
}

.weather-drawer {
  margin-bottom: 1rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 0;
}

.hourly-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.hourly-grid div {
  border-top: 1px solid var(--line);
  padding-top: 0.45rem;
}

.hourly-grid span {
  display: block;
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.activity-list,
.route-ledger,
.prep-list,
.idea-list,
.expense-list,
.balance-list,
.settle-up ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.activity-row,
.route-ledger li,
.date-card,
.prep-list li,
.idea-list li,
.expense-list li,
.balance-list li,
.settle-up ol li,
.people-grid article {
  border-top: 1px solid var(--line);
  padding: 0.9rem 0;
}

.activity-row,
.route-ledger li {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: 1rem;
}

.activity-row.is-now {
  border-left: 2px solid var(--accent);
  padding-left: 0.6rem;
}

.activity-row.is-now::after {
  content: "Now";
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.activity-row p,
.route-ledger p,
.date-card p,
.people-grid p,
.budget-result p {
  margin-bottom: 0;
}

.place-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.8rem;
  margin-bottom: 1rem;
}

.map-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}

.route-summary,
.expense-grid,
.people-grid {
  display: grid;
  gap: 1rem;
}

.route-summary {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 1.2rem 0;
}

.route-summary > div,
.budget-result,
.control,
.progress-track {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 0;
}

.route-summary strong,
.budget-result strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2rem, 10vw, 3.6rem);
  font-style: italic;
  font-weight: 400;
  line-height: 0.95;
}

.map-shell {
  height: min(52dvh, 420px);
  min-height: 280px;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.map-shell.is-hidden {
  display: none;
}

#route-map {
  width: 100%;
  height: 100%;
  filter: saturate(0.8) contrast(0.95);
}

:root[data-theme="dark"] #route-map {
  filter: invert(0.9) hue-rotate(180deg) saturate(0.75) contrast(0.9);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) #route-map {
    filter: invert(0.9) hue-rotate(180deg) saturate(0.75) contrast(0.9);
  }
}

.map-fallback {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--text-muted);
  padding: 0.85rem 0;
}

.number-marker {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid var(--bg);
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.leaflet-popup-content {
  color: #171717;
  font-family: var(--sans);
}

.leaflet-popup-content strong,
.leaflet-popup-content span {
  display: block;
}

.route-ledger {
  margin-top: 1rem;
}

.route-ledger button {
  min-height: 44px;
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 0;
  font-family: var(--serif);
  font-size: 1.35rem;
  text-align: left;
}

.person-picker,
.budget-panel,
.budget-controls,
.expense-form,
.idea-form {
  display: grid;
  gap: 0.8rem;
}

.date-list {
  display: grid;
}

.date-actions,
.control-head,
.expense-list li,
.idea-list li {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.vote-button[aria-pressed="true"] {
  color: var(--ok);
}

.control {
  display: grid;
  gap: 0.55rem;
}

input[type="range"] {
  accent-color: var(--accent);
}

.budget-result {
  align-self: start;
}

.expense-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 1rem 0;
}

.expense-form button {
  align-self: end;
}

.fx-control {
  margin-bottom: 1rem;
}

.expense-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
}

.expense-list span,
.idea-list span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.delete-button {
  flex: 0 0 auto;
  min-height: 44px;
  background: transparent;
  padding: 0 0.65rem;
}

.progress-track {
  margin: 1rem 0;
}

.progress-track > div {
  height: 0.45rem;
  margin-top: 0.45rem;
  background: var(--surface);
}

.progress-track > div > span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--accent);
  transition: width 0.15s ease;
}

.check-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 0.6rem;
  align-items: center;
  min-height: 44px;
}

.check-row input {
  width: 22px;
  height: 22px;
  min-height: 22px;
  margin: 0 auto;
  accent-color: var(--accent);
}

.check-row span {
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  letter-spacing: 0;
  text-transform: none;
}

.check-row span.is-done {
  color: var(--text-faint);
  text-decoration: line-through;
}

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

@media (min-width: 760px) {
  .budget-panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(16rem, 0.85fr);
    align-items: start;
  }
}

@media (max-width: 680px) {
  .topbar {
    grid-template-columns: minmax(7rem, 1fr) auto;
  }

  .panel-nav {
    grid-column: 1 / -1;
    order: 3;
  }

  .theme-toggle {
    border-left: 0;
    border-bottom: 1px solid transparent;
  }

  .ledger-section,
  .day-ledger,
  .activity-row,
  .route-ledger li {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .hero {
    min-height: auto;
    padding-top: 2.2rem;
  }

  .evidence-row,
  .route-summary,
  .expense-grid,
  .people-grid {
    grid-template-columns: 1fr;
  }

  .evidence-item + .evidence-item {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
  }

  .day-tabs {
    top: 7.25rem;
  }

  .expense-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 360px) {
  .app-shell {
    padding-right: 0.75rem;
    padding-left: 0.75rem;
  }

  .topbar {
    gap: 0.45rem;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.1rem;
  }

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

  .date-actions,
  .expense-list li,
  .idea-list li {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}