:root {
  color-scheme: light;
  --bg: #f7f5ef;
  --ink: #1d2724;
  --muted: #68726d;
  --line: #d8d4c8;
  --panel: #fffdf8;
  --accent: #1f7a63;
  --accent-ink: #effaf6;
  --info: #376b9b;
  --warn: #8f5a13;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(31, 122, 99, 0.08), transparent 240px),
    var(--bg);
  color: var(--ink);
}

button {
  font: inherit;
}

.app-shell {
  width: min(100%, 560px);
  min-height: 100vh;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 16px max(28px, env(safe-area-inset-bottom));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 2px 18px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 32px;
  line-height: 1.05;
  letter-spacing: 0;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
  box-shadow: 0 10px 24px rgba(29, 39, 36, 0.08);
}

.icon-button:active {
  transform: translateY(1px);
}

.icon-button.is-loading span {
  animation: spin 0.9s linear infinite;
}

.commute-groups {
  display: grid;
  gap: 24px;
}

.commute-group {
  display: grid;
  gap: 10px;
}

.group-heading {
  padding: 0 2px;
}

.group-kicker {
  margin-bottom: 4px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
}

.group-title {
  color: var(--ink);
  font-size: 24px;
  line-height: 1.12;
  letter-spacing: 0;
}

.stops-stack {
  display: grid;
  gap: 14px;
}

.stop-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 45px rgba(29, 39, 36, 0.08);
  overflow: hidden;
}

.transfer-advisor {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 45px rgba(29, 39, 36, 0.08);
  overflow: hidden;
}

.transfer-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--line);
}

.transfer-kicker {
  margin-bottom: 4px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.transfer-title {
  margin: 0;
  font-size: 21px;
  line-height: 1.15;
  letter-spacing: 0;
}

.transfer-rule {
  flex: 0 0 auto;
  padding: 5px 8px;
  border-radius: 6px;
  background: rgba(55, 107, 155, 0.1);
  color: var(--info);
  font-size: 12px;
  font-weight: 800;
}

.position-control {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
}

.position-button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.48);
  color: var(--ink);
  font-size: 14px;
  font-weight: 750;
}

.position-button.is-selected {
  border-color: var(--accent);
  background: rgba(31, 122, 99, 0.1);
  color: var(--accent);
}

.transfer-result {
  padding: 14px 18px 16px;
}

.recommendation-main {
  display: grid;
  gap: 8px;
}

.recommendation-label {
  color: var(--accent);
  font-size: 20px;
  font-weight: 850;
}

.recommendation-route {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  font-size: 16px;
}

.recommendation-route strong {
  font-size: 24px;
}

.recommendation-route span:last-child {
  color: var(--ink);
  font-weight: 800;
}

.recommendation-detail {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
}

.recommendation-alternatives {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.recommendation-alternatives span {
  padding: 4px 7px;
  border-radius: 6px;
  background: rgba(104, 114, 109, 0.1);
}

.route-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--line);
}

.stop-name {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}

.stop-code {
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(31, 122, 99, 0.08);
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.route-title {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: baseline;
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: 0;
}

.route-title span {
  color: var(--muted);
  font-size: 17px;
  font-weight: 650;
}

.operator {
  flex: 0 0 auto;
  padding: 7px 10px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 14px;
  font-weight: 750;
}

.eta-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.eta-row,
.loading-row,
.empty-row,
.error-row {
  min-height: 112px;
  padding: 14px 12px;
}

.eta-row {
  display: grid;
  align-content: center;
  gap: 9px;
  border-right: 1px solid var(--line);
}

.eta-row:last-child {
  border-right: 0;
}

.loading-row,
.empty-row,
.error-row {
  grid-column: 1 / -1;
}

.eta-minutes {
  font-size: 27px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: 0;
  white-space: nowrap;
}

.eta-minutes small {
  margin-left: 3px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.eta-row--fast .eta-minutes {
  color: var(--accent);
}

.eta-row--slow .eta-minutes {
  color: var(--warn);
}

.eta-row--via .eta-minutes {
  color: var(--info);
}

.eta-time {
  display: grid;
  gap: 5px;
  min-width: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.25;
}

.eta-time strong {
  color: var(--ink);
  font-size: 17px;
}

.eta-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
}

.eta-badge {
  display: inline-flex;
  align-items: center;
  min-height: 18px;
  padding: 2px 5px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
}

.eta-badge--fast {
  background: rgba(31, 122, 99, 0.12);
  color: var(--accent);
}

.eta-badge--slow {
  background: rgba(143, 90, 19, 0.12);
  color: var(--warn);
}

.eta-badge--via {
  background: rgba(55, 107, 155, 0.12);
  color: var(--info);
}

.eta-time span {
  overflow-wrap: anywhere;
}

.loading-row,
.empty-row,
.error-row {
  color: var(--muted);
  font-size: 16px;
}

.error-row {
  color: var(--warn);
}

.status-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  color: var(--muted);
  font-size: 13px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 380px) {
  .app-shell {
    padding-left: 12px;
    padding-right: 12px;
  }

  h1 {
    font-size: 29px;
  }

  .group-title {
    font-size: 22px;
  }

  .route-title {
    font-size: 27px;
  }

  .eta-row {
    min-height: 104px;
    padding: 12px 8px;
  }

  .eta-minutes {
    font-size: 23px;
  }

  .eta-minutes small,
  .eta-time {
    font-size: 12px;
  }

  .eta-time strong {
    font-size: 16px;
  }
}