:root {
  color-scheme: light;
  --ink: #102027;
  --muted: #5c6f74;
  --panel: rgba(255, 255, 255, 0.94);
  --line: rgba(16, 32, 39, 0.14);
  --blue: #1769e0;
  --green: #12805c;
  --red: #c23b31;
  --amber: #b56a17;
  --shadow: 0 10px 30px rgba(18, 52, 59, 0.18);
  --sheet-collapsed-height: 116px;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  color: var(--ink);
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.app-shell {
  position: relative;
  width: 100vw;
  height: 100dvh;
  background: #edf2f0;
}

.map-stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.top-panel {
  position: absolute;
  z-index: 20;
  top: max(12px, env(safe-area-inset-top));
  left: 12px;
  right: 12px;
}

.search-form {
  display: grid;
  grid-template-columns: 1fr minmax(62px, 22%) 44px;
  gap: 8px;
  align-items: center;
  padding: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.search-input,
.city-input,
.mode-select,
.config-form input {
  min-width: 0;
  height: 42px;
  padding: 0 12px;
  color: var(--ink);
  background: #f7faf9;
  border: 1px solid var(--line);
  border-radius: 6px;
  outline: none;
}

.search-input:focus,
.city-input:focus,
.mode-select:focus,
.config-form input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(23, 105, 224, 0.12);
}

.icon-button,
.solid-button,
.text-button {
  min-height: 40px;
  border-radius: 6px;
  white-space: nowrap;
}

.icon-button.primary,
.solid-button {
  color: #fff;
  background: var(--blue);
  font-weight: 700;
}

.solid-button:disabled,
.text-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.text-button {
  padding: 0 12px;
  color: var(--blue);
  background: #eef5ff;
  font-weight: 650;
}

.text-button.danger {
  color: var(--red);
  background: #fff0ee;
}

.search-results {
  margin-top: 8px;
  max-height: 34dvh;
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.result-item {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  color: var(--ink);
  background: transparent;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.result-item:last-child {
  border-bottom: 0;
}

.result-title,
.stop-title {
  font-weight: 760;
}

.result-meta,
.stop-meta,
#route-summary {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.status-strip {
  position: absolute;
  z-index: 18;
  left: 12px;
  right: 12px;
  bottom: calc(49dvh + 12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 42px;
  padding: 6px 8px 6px 12px;
  background: rgba(18, 52, 59, 0.88);
  color: #fff;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.status-strip .text-button {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
}

.bottom-sheet {
  position: absolute;
  z-index: 19;
  left: 0;
  right: 0;
  bottom: 0;
  height: 48dvh;
  min-height: 292px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 8px 14px max(12px, env(safe-area-inset-bottom));
  background: var(--panel);
  border-top: 1px solid var(--line);
  box-shadow: 0 -12px 28px rgba(18, 52, 59, 0.14);
  backdrop-filter: blur(18px);
  transition: height 180ms ease, min-height 180ms ease;
}

.sheet-grip-button {
  display: flex;
  justify-content: center;
  width: 100%;
  height: 20px;
  padding: 0;
  background: transparent;
}

.sheet-grip {
  width: 42px;
  height: 4px;
  margin: 3px auto 8px;
  background: #c8d2d0;
  border-radius: 999px;
}

.sheet-header,
.route-options,
.sheet-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.sheet-header h1 {
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.sheet-collapse-button {
  position: relative;
  width: 40px;
  height: 40px;
  background: #eef5ff;
  border-radius: 6px;
}

.sheet-collapse-button::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 10px;
  border-left: 2px solid var(--blue);
  border-top: 2px solid var(--blue);
  transform: translate(-50%, -30%) rotate(45deg);
  transition: transform 180ms ease;
}

.app-shell.sheet-collapsed .bottom-sheet {
  height: var(--sheet-collapsed-height);
  min-height: var(--sheet-collapsed-height);
}

.app-shell.sheet-collapsed .route-options,
.app-shell.sheet-collapsed .stop-list,
.app-shell.sheet-collapsed .sheet-actions {
  display: none;
}

.app-shell.sheet-collapsed .status-strip {
  bottom: calc(var(--sheet-collapsed-height) + 12px);
}

.app-shell.sheet-collapsed .sheet-collapse-button::before {
  transform: translate(-50%, -68%) rotate(225deg);
}

.route-options {
  margin-top: 12px;
  display: grid;
  grid-template-columns: auto minmax(82px, 1fr) auto;
}

.switch-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  color: var(--muted);
  font-size: 14px;
}

.switch-line input {
  width: 18px;
  height: 18px;
  accent-color: var(--blue);
}

.mode-select {
  width: 100%;
  color: var(--ink);
  background: #f7faf9;
}

.stop-list {
  flex: 1;
  min-height: 0;
  margin-top: 10px;
  overflow: auto;
  border-top: 1px solid var(--line);
}

.empty-state {
  padding: 22px 4px;
  color: var(--muted);
  text-align: center;
}

.stop-row {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 10px;
  align-items: center;
  min-height: 76px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.stop-index,
.stop-marker,
.start-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  border: 2px solid #fff;
  border-radius: 50%;
  box-shadow: 0 3px 10px rgba(16, 32, 39, 0.25);
}

.stop-index,
.stop-marker {
  background: var(--blue);
}

.stop-index.start,
.stop-marker.start {
  background: var(--green);
}

.stop-marker.priority,
.stop-index.priority {
  background: var(--amber);
}

.start-marker {
  background: var(--green);
}

.stop-controls {
  display: grid;
  grid-template-columns: repeat(3, 36px);
  gap: 6px;
}

.mini-button {
  width: 36px;
  height: 32px;
  color: var(--ink);
  background: #edf3f1;
  border-radius: 6px;
  font-weight: 800;
}

.mini-button.priority-on {
  color: #fff;
  background: var(--amber);
}

.mini-button.origin-on {
  color: #fff;
  background: var(--green);
}

.mini-button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.sheet-actions {
  padding-top: 10px;
}

.config-dialog {
  width: min(420px, calc(100vw - 28px));
  padding: 0;
  border: 0;
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(16, 32, 39, 0.32);
}

.config-dialog::backdrop {
  background: rgba(16, 32, 39, 0.42);
  backdrop-filter: blur(4px);
}

.config-form {
  display: grid;
  gap: 14px;
  padding: 18px;
  background: #fff;
}

.config-form h2 {
  margin: 0 0 2px;
  font-size: 19px;
}

.config-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 680;
}

.config-message {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.config-actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.amap-logo,
.amap-copyright {
  transform: scale(0.82);
  transform-origin: left bottom;
}

@media (min-width: 760px) {
  .top-panel {
    right: auto;
    width: 430px;
  }

  .bottom-sheet {
    left: auto;
    width: 420px;
    height: calc(100dvh - 112px);
    min-height: 0;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .app-shell.sheet-collapsed .bottom-sheet {
    height: var(--sheet-collapsed-height);
    min-height: var(--sheet-collapsed-height);
  }

  .status-strip {
    left: 24px;
    right: auto;
    bottom: 24px;
    width: 410px;
  }
}

@media (max-width: 380px) {
  .search-form {
    grid-template-columns: 1fr 54px 40px;
    gap: 6px;
  }

  .city-input {
    padding: 0 8px;
  }

  .text-button {
    padding: 0 10px;
  }

  .sheet-header {
    align-items: flex-start;
  }

  .route-options {
    grid-template-columns: 1fr 72px;
  }

  .route-options .switch-line {
    grid-column: 1 / -1;
  }

  .bottom-sheet {
    padding-left: 10px;
    padding-right: 10px;
  }
}