:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --map-control: #ffffff;
  --text: #17202a;
  --muted: #667085;
  --line: #d8dee7;
  --line-strong: #b8c1ce;
  --selected: #17202a;
  --selected-text: #ffffff;
  --blue: #2f7bf6;
  --orange: #f28c28;
  --green: #2e9d62;
  --purple: #9b6de3;
  --shadow: 0 16px 36px rgb(15 23 42 / 14%);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #11161d;
  --panel: #171d26;
  --map-control: #171d26;
  --text: #eff3f8;
  --muted: #9da9b8;
  --line: #2b3441;
  --line-strong: #465365;
  --selected: #eef3fa;
  --selected-text: #17202a;
  --shadow: 0 16px 42px rgb(0 0 0 / 34%);
}

* {
  box-sizing: border-box;
}

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

body {
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--blue) 45%, transparent);
  outline-offset: 2px;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 11px;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 8px;
  background: var(--selected);
  color: var(--selected-text);
}

.brand-mark svg {
  width: 20px;
  height: 20px;
}

.brand h1 {
  overflow: hidden;
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand p {
  overflow: hidden;
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.icon-button,
.segmented-control button,
.day-tab,
.route-stop {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.icon-button {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.icon-button:hover {
  border-color: var(--line-strong);
}

.icon-button svg {
  width: 18px;
  height: 18px;
}

.app-shell {
  display: grid;
  height: calc(100dvh - 69px);
  grid-template-columns: 370px minmax(0, 1fr);
}

.sidebar {
  z-index: 2;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: var(--panel);
}

.trip-overview,
.ticket-section,
.route-section {
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.overview-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.overview-stats span {
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.overview-stats strong {
  display: block;
  color: var(--text);
  font-size: 18px;
  font-weight: 600;
}

.principle-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.principle-row svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  margin-top: 1px;
}

.stay-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.stay-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.stay-row svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  margin-top: 1px;
  color: var(--blue);
}

.stay-row span {
  min-width: 0;
}

.stay-row strong,
.stay-row small {
  display: block;
}

.stay-row strong {
  font-size: 13px;
  font-weight: 600;
}

.stay-row small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.section-heading h2 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
}

.route-section-heading p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
}

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

.ticket-card {
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 62%, var(--panel));
}

.ticket-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.ticket-code {
  font-weight: 600;
}

.ticket-seat {
  color: var(--muted);
  font-size: 12px;
}

.ticket-route {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.segmented-scroll {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.segmented-scroll::-webkit-scrollbar {
  display: none;
}

.day-tab {
  display: inline-flex;
  min-height: 34px;
  flex: 0 0 auto;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}

.day-tab:hover,
.segmented-control button:hover {
  border-color: var(--line-strong);
  color: var(--text);
}

.day-tab[aria-pressed="true"] {
  border-color: var(--selected);
  background: var(--selected);
  color: var(--selected-text);
}

.day-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--blue);
}

.weather-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
}

.segmented-control {
  display: inline-flex;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
}

.segmented-control button {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 5px;
  padding: 0 9px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 12px;
}

.segmented-control button svg {
  width: 14px;
  height: 14px;
}

.segmented-control button[aria-pressed="true"] {
  background: var(--selected);
  color: var(--selected-text);
}

.weather-note {
  margin: 8px 0 14px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.route-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.route-day-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

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

.route-stop {
  position: relative;
  display: grid;
  width: 100%;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 9px;
  padding: 9px 8px 9px 4px;
  border-radius: 8px;
  text-align: left;
}

.route-stop::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 18px;
  width: 1px;
  background: var(--line);
  content: "";
}

.route-stop.is-first::before {
  top: 50%;
}

.route-stop.is-last::before {
  bottom: 50%;
}

.route-stop:hover,
.route-stop[aria-pressed="true"] {
  background: color-mix(in srgb, var(--bg) 68%, var(--panel));
}

.stop-index {
  z-index: 1;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 2px solid var(--panel);
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.stop-copy {
  min-width: 0;
}

.stop-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.stop-name {
  overflow: hidden;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stop-time {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
}

.stop-transport {
  display: -webkit-box;
  overflow: hidden;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.map-panel {
  position: relative;
  min-width: 0;
  overflow: hidden;
  background: #dfe8ee;
}

:root[data-theme="dark"] .map-panel {
  background: #0d1218;
}

#map {
  position: absolute;
  inset: 0;
}

.map-day-summary,
.map-selection {
  position: absolute;
  z-index: 4;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 96%, transparent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.map-day-summary {
  top: 14px;
  left: 14px;
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 8px 11px;
}

.map-day-summary strong,
.map-day-summary span {
  display: block;
}

.map-day-summary strong {
  font-size: 13px;
}

.map-day-summary span {
  margin-top: 1px;
  color: var(--muted);
  font-size: 11px;
}

.map-selection {
  bottom: 22px;
  left: 14px;
  width: min(360px, calc(100% - 28px));
  padding: 13px;
}

.selection-heading {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}

.selection-heading h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.selection-heading > span:last-child {
  color: var(--muted);
  font-size: 12px;
}

.selection-badge {
  padding: 2px 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--blue) 14%, var(--panel));
  color: var(--blue);
  font-size: 11px;
  font-weight: 600;
}

.map-selection p {
  margin: 8px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.selection-tags {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.selection-tags span {
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--bg);
  color: var(--muted);
  font-size: 11px;
}

.selection-transport {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin-top: 9px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.selection-transport svg {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  margin-top: 1px;
}

.map-loading {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: grid;
  place-content: center;
  gap: 10px;
  background: var(--bg);
  color: var(--muted);
  text-align: center;
}

.map-loading svg {
  width: 24px;
  height: 24px;
  margin: auto;
  animation: spin 1.1s linear infinite;
}

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

.maplibregl-ctrl-group {
  border: 1px solid var(--line) !important;
  border-radius: 8px !important;
  background: var(--map-control) !important;
  box-shadow: none !important;
}

.maplibregl-ctrl-group button {
  width: 36px !important;
  height: 36px !important;
}

:root[data-theme="dark"] .maplibregl-ctrl button .maplibregl-ctrl-icon {
  filter: invert(1);
}

.maplibregl-ctrl-attrib {
  border-radius: 5px 0 0;
  background: color-mix(in srgb, var(--panel) 88%, transparent) !important;
  color: var(--muted) !important;
  font-size: 10px !important;
}

.maplibregl-ctrl-attrib a {
  color: var(--muted) !important;
}

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

@media (max-width: 900px) {
  .app-header {
    position: relative;
  }

  .brand h1 {
    font-size: 15px;
  }

  .app-shell {
    height: auto;
    grid-template-columns: 1fr;
  }

  .map-panel {
    order: 1;
    height: 58dvh;
    min-height: 420px;
    border-bottom: 1px solid var(--line);
  }

  .sidebar {
    order: 2;
    overflow: visible;
    border-right: 0;
  }
}

@media (max-width: 560px) {
  .app-header {
    min-height: 62px;
    padding: 9px 10px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand p {
    display: none;
  }

  .icon-button {
    width: 34px;
    height: 34px;
  }

  .map-panel {
    height: 54dvh;
    min-height: 390px;
  }

  .map-day-summary {
    top: 10px;
    left: 10px;
  }

  .map-selection {
    bottom: 16px;
    left: 10px;
    width: calc(100% - 20px);
  }

  .trip-overview,
  .ticket-section,
  .route-section {
    padding: 14px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .map-loading svg {
    animation: none;
  }
}