:root {
  --ink: #202124;
  --muted: #666a70;
  --paper: #ececee;
  --panel: #f7f7f8;
  --line: #cfd0d3;
  --soft-line: #dfdfe2;
  --green: #176b5b;
  --green-dark: #115447;
  --green-soft: #e2efe9;
  --shadow: 0 10px 32px rgba(0, 0, 0, .14);
  --control-bg: #fff;
  --control-hover: #ececee;
  --selection: rgba(23, 107, 91, .14);
  --toolbar-height: 52px;
  --control-radius: 7px;
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  font-size: 13px;
}

html[data-platform="windows"] { --control-radius: 4px; }
html[data-platform="linux"] { --control-radius: 5px; }

body {
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  user-select: none;
}

input, select, textarea { user-select: text; }
button, input, select { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }
button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible {
  outline: 3px solid var(--selection);
  outline-offset: 1px;
}

.topbar {
  height: calc(var(--toolbar-height) + env(safe-area-inset-top, 0px));
  flex-basis: calc(var(--toolbar-height) + env(safe-area-inset-top, 0px));
  padding-top: env(safe-area-inset-top, 0px);
  padding-left: calc(14px + env(safe-area-inset-left, 0px));
  padding-right: calc(14px + env(safe-area-inset-right, 0px));
  border-bottom-color: var(--line);
  background: rgba(246, 246, 247, 0.72);
  backdrop-filter: blur(24px) saturate(1.4);
  transition: background-color 0.3s ease;
}

.brand { gap: 9px; }
.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, .16);
}
.brand-mark::before, .brand-mark::after { top: 7px; width: 6px; height: 6px; }
.brand-mark::before { left: 7px; }
.brand-mark::after { right: 7px; }
.brand-mark span:first-child { left: 6px; right: 6px; bottom: 7px; height: 2px; }
.brand-mark span:last-child::before, .brand-mark span:last-child::after { bottom: 4px; width: 4px; height: 4px; }
.brand-mark span:last-child::before { left: 6px; }
.brand-mark span:last-child::after { right: 6px; }
.brand strong { font-size: 13px; font-weight: 650; letter-spacing: 0; }
.brand small { margin-top: 0; font-size: 10px; }

.top-actions { gap: 5px; }
.nav-action {
  min-height: 30px;
  gap: 5px;
  padding: 4px 8px;
  border-radius: var(--control-radius);
}
.nav-action:hover { border-color: transparent; background: var(--control-hover); color: var(--ink); }
.nav-action span { width: 20px; height: 20px; border-radius: 5px; }
.nav-action b { font-size: 12px; font-weight: 550; }
.network-status { margin: 0 7px; font-size: 11px; }
.network-status > span:first-child { width: 6px; height: 6px; box-shadow: none; }
.language-control { gap: 6px; font-size: 11px; }
.language-control select {
  min-height: 28px;
  padding: 3px 25px 3px 8px;
  border-color: var(--line);
  border-radius: var(--control-radius);
  background-color: var(--control-bg);
}

.workspace { grid-template-columns: 350px minmax(420px, 1fr) 390px; }
.planner-panel, .itinerary-panel { background: var(--panel); }
.planner-panel { padding: 18px 18px 28px; }

.eyebrow, .section-label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: .02em;
}
.planner-heading h1 {
  margin: 5px 0 17px;
  font-family: inherit;
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -.01em;
}

.search-stack { padding-left: 21px; }
.search-field { margin-bottom: 11px; }
.search-field label {
  margin-bottom: 5px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}
.endpoint-rail { left: 5px; top: 29px; bottom: 29px; }
.endpoint-rail b { background: var(--line); }
.endpoint-rail i { width: 9px; height: 9px; border-width: 2px; }
.input-wrap input {
  height: 36px;
  padding: 0 34px 0 33px;
  border-color: var(--line);
  border-radius: var(--control-radius);
  background: var(--control-bg);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.input-wrap input:focus, .drawer-search:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(23, 107, 91, 0.25);
}
.input-icon { left: 11px; }
.clear-search { right: 4px; width: 27px; height: 27px; font-size: 16px; transition: color 0.15s ease; }
.current-location-button {
  right: 32px;
  height: 25px;
  padding: 0 6px;
  border: 1px solid transparent;
  border-radius: 5px;
  font-size: 9px;
  font-weight: 600;
  transition: all 0.2s ease;
}
.current-location-button:hover:not(:disabled) { border-color: var(--line); background: var(--control-hover); color: var(--green); transform: translateY(-0.5px); }
.search-field[data-search="origin"] .input-wrap input { padding-right: 139px; }
.swap-button {
  right: 7px;
  top: 63px;
  width: 25px;
  height: 25px;
  border-radius: var(--control-radius);
  background: var(--control-bg);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .08);
}
.swap-button:hover { transform: none; background: var(--control-hover); }
.search-results {
  top: 61px;
  border: 1px solid var(--line);
  border-radius: var(--control-radius);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}
.result-row { background: var(--control-bg); }
.result-item { min-height: 44px; padding: 7px 9px; background: transparent; }
.result-item:hover { background: var(--selection); }
.result-star { color: #c9a83f; }
.result-section { color: var(--muted); }
.result-symbol { border-radius: 5px; }

.form-section { margin-top: 16px; padding-top: 15px; }
.route-api-options select { background: var(--control-bg); color: var(--ink); border-color: var(--line); border-radius: var(--control-radius); }
.date-input {
  height: 34px;
  margin-top: 8px;
  padding: 0 9px;
  border-color: var(--line);
  border-radius: var(--control-radius);
  background: var(--control-bg);
}
.segmented { gap: 1px; margin-top: 7px; padding: 2px; border-radius: var(--control-radius); background: #dedee0; }
.segmented button { min-height: 28px; padding: 4px 2px; border-radius: 5px; font-size: 10px; font-weight: 550; }
.segmented button.active { color: var(--ink); box-shadow: 0 1px 3px rgba(0, 0, 0, .13); }
.text-button { font-size: 11px; font-weight: 600; }
.preset-row { gap: 6px; margin: 8px 0; }
.preset-row button {
  min-height: 27px;
  padding: 3px 8px;
  border-radius: var(--control-radius);
  background: var(--control-bg);
  font-size: 10px;
}
.preset-row button:hover { background: var(--control-hover); }

.transport-grid { gap: 2px 10px; }
.transport-grid label {
  min-height: 30px;
  gap: 7px;
  padding: 4px 3px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  font-size: 11px;
}
.transport-grid label:hover { background: var(--control-hover); }
.transport-grid label:has(input:not(:checked)) { opacity: 1; background: transparent; color: var(--muted); }
.transport-grid input {
  position: static;
  width: 14px;
  height: 14px;
  margin: 0;
  opacity: 1;
  pointer-events: auto;
  accent-color: var(--green);
}
.mode-icon { display: none; }

.primary-button {
  height: 36px;
  margin-top: 17px;
  border: 1px solid var(--green-dark);
  border-radius: var(--control-radius);
  font-size: 12px;
  font-weight: 650;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .12);
  transition: background-color .2s ease, transform .15s ease, box-shadow .2s ease;
}
.primary-button:hover:not(:disabled) { background: var(--green-dark); transform: scale(1.008); box-shadow: 0 4px 12px rgba(23, 107, 91, 0.2); }
.primary-button:active:not(:disabled) { transform: scale(0.995); filter: brightness(.92); }
.primary-button b { font-size: 15px; }
 
.route-results { margin-top: 19px; padding-top: 15px; }
.route-card {
  margin-bottom: 6px;
  padding: 11px;
  border-color: var(--line);
  border-radius: var(--control-radius);
  background: var(--control-bg);
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
  transition: border-color .2s ease, background-color .2s ease, transform .2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow .2s ease;
}
.route-card:hover { transform: translateY(-1px); background: var(--control-hover); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05); }
.route-card:active { transform: translateY(0); }
.route-card.active { background: var(--selection); border-color: var(--green); box-shadow: 0 4px 16px rgba(23, 107, 91, 0.1); }
.route-card-time { font-family: inherit; font-size: 15px; font-variant-numeric: tabular-nums; }

.map-placeholder {
  gap: 6px;
  background: #e3e7e5;
}
.map-placeholder::before, .map-placeholder::after { display: none; }
.map-placeholder-mark {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  font-family: inherit;
  font-size: 20px;
  box-shadow: 0 3px 12px rgba(0, 0, 0, .12);
}
.map-placeholder strong { margin-top: 5px; font-family: inherit; font-size: 16px; font-weight: 650; }
.map-placeholder span { font-size: 11px; }
.map-legend { border-radius: var(--control-radius); background: rgba(248, 248, 249, .92); box-shadow: 0 3px 12px rgba(0, 0, 0, .12); }
.leaflet-control-zoom { box-shadow: 0 2px 8px rgba(0, 0, 0, .16) !important; }

.itinerary-empty { padding: 38px 28px; }
.empty-icon { width: 48px; height: 48px; border-radius: 11px; font-family: inherit; font-size: 21px; }
.itinerary-empty h2 { margin: 14px 0 5px; font-family: inherit; font-size: 18px; font-weight: 650; }
.itinerary-empty p { font-size: 11px; }
.itinerary-header { padding: 19px 20px 16px; background: var(--panel); }
.itinerary-header h2 { margin: 5px 0 3px; font-family: inherit; font-size: 18px; font-weight: 650; }
.itinerary-metrics { gap: 5px; margin-top: 12px; }
.metric { padding: 8px; border-radius: var(--control-radius); background: var(--control-bg); }
.timeline { padding: 18px 18px 34px; }
.move-card {
  border-radius: var(--control-radius);
  background: var(--control-bg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  transition: transform .2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow .2s ease, background-color .2s ease;
}
.move-card:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05); }
.move-card.focused { background: var(--selection); }
 
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.stops-list {
  animation: fadeInUp 0.25s ease-out forwards;
}
 
.loading-overlay { inset: calc(var(--toolbar-height) + env(safe-area-inset-top, 0px)) 0 0; background: rgba(236, 236, 238, .62); backdrop-filter: blur(8px); }
.toast { bottom: calc(18px + env(safe-area-inset-bottom, 0px)); border-radius: var(--control-radius); background: rgba(32, 32, 35, 0.88); backdrop-filter: blur(12px); color: #fff; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18); }
.drawer-backdrop { inset: calc(var(--toolbar-height) + env(safe-area-inset-top, 0px)) 0 0; }
.insights-drawer {
  top: calc(var(--toolbar-height) + env(safe-area-inset-top, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: rgba(247, 247, 248, 0.85);
  backdrop-filter: blur(24px);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.drawer-header { padding: 17px 20px 12px; }
.drawer-header h2 { margin-top: 5px; font-family: inherit; font-size: 20px; font-weight: 650; }
.drawer-close { width: 29px; height: 29px; border-radius: var(--control-radius); background: var(--control-bg); font-size: 18px; transition: background-color 0.2s; }
.drawer-close:hover { background-color: var(--control-hover); }
.drawer-panel { padding: 16px 20px 30px; }
.secondary-button { height: 34px; border-radius: var(--control-radius); background: var(--control-bg); transition: all 0.2s ease; }
.secondary-button:hover { background-color: var(--control-hover); }
.alert-location { border-radius: var(--control-radius); background: var(--control-bg); }

*::-webkit-scrollbar { width: 11px; height: 11px; }
*::-webkit-scrollbar-thumb { border: 3px solid transparent; border-radius: 8px; background: #a9aaad; background-clip: padding-box; }
*::-webkit-scrollbar-track { background: transparent; }

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2f2f4;
    --muted: #a8a8ae;
    --paper: #202023;
    --panel: #29292c;
    --line: #454549;
    --soft-line: #39393d;
    --green: #48a993;
    --green-dark: #398a78;
    --green-soft: #283f39;
    --control-bg: #333337;
    --control-hover: #3b3b40;
    --selection: rgba(72, 169, 147, .22);
    color-scheme: dark;
  }
  .topbar { background: rgba(42, 42, 45, 0.72); }
  .segmented { background: #1f1f22; }
  .segmented button.active { background: #48484d; color: var(--ink); }
  .map-placeholder { background: #303936; }
  .map-legend { background: rgba(42, 42, 45, 0.75); backdrop-filter: blur(12px); }
  .loading-overlay { background: rgba(32, 32, 35, 0.62); }
  .toast { background: rgba(233, 233, 236, 0.88); color: #202124; }
  .search-results { background: rgba(51, 51, 55, 0.88); }
  .insights-drawer { background: rgba(41, 41, 44, 0.85); }
  .leaflet-control-zoom a { background: #333337 !important; color: var(--green) !important; }
}

@media (max-width: 1180px) {
  .workspace { grid-template-columns: 330px minmax(360px, 1fr) 350px; }
}

@media (max-width: 960px) {
  .workspace { grid-template-columns: 340px 1fr; grid-template-rows: 58vh auto; }
  .planner-panel { grid-row: 1 / 3; }
  .map-panel { grid-column: 2; min-height: 58vh; }
  .itinerary-panel { grid-column: 2; min-height: 500px; }
}

@media (max-width: 720px) {
  .topbar { padding: 0 10px; }
  .planner-panel { padding-inline: 14px; }
}