/* 내비게이션 (js/nav.js). 안내 중에는 지도가 화면 전체를 쓰고 위에 안내 띠, 아래에 시트가 뜬다 */
body.nav-on { overflow: hidden; }
body.nav-on .map-wrap {
  position: fixed; inset: 0; z-index: 1500; height: auto; min-height: 0; max-height: none; border-radius: 0; margin: 0;
}
body.nav-on .map-toolbar, body.nav-on .map-layers, body.nav-on .map-area-search, body.nav-on .weather-widget,
body.nav-on .map-pick-hint, body.nav-on .map-status, body.nav-on .roadview-panel { display: none !important; }
body.nav-picking #map { cursor: crosshair; }

.nav-layer { position: fixed; inset: 0; z-index: 1600; pointer-events: none; display: flex; flex-direction: column; justify-content: space-between; padding: max(10px, env(safe-area-inset-top)) 10px max(10px, env(safe-area-inset-bottom)); gap: 8px; }
.nav-layer[hidden] { display: none; }
.nav-layer > * { pointer-events: auto; }
.nav-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.nav-banner {
  align-self: stretch; max-width: 560px; width: 100%; margin: 0 auto;
  background: #191F28; color: #fff; border-radius: 16px; padding: 12px 16px; box-shadow: var(--lift-2);
}
.nav-banner.arrive { background: #0F7B4B; }
.nav-banner.cross { background: #8A4B00; }
.nav-turn { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.nav-turn b { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; }
.nav-turn span { font-size: 20px; font-weight: 600; }
.nav-banner small { display: block; color: rgba(255,255,255,.75); font-size: 13.5px; margin-top: 2px; }

.nav-alert {
  max-width: 560px; width: 100%; margin: 0 auto; border-radius: 12px; padding: 10px 14px; font-size: 13.5px; line-height: 1.5;
  background: var(--surface); color: var(--ink); box-shadow: var(--lift-2); border-left: 4px solid var(--accent);
}
.nav-alert.warn { border-left-color: #E8A33D; }
.nav-alert.bad { border-left-color: #E5484D; }
.nav-alert.ok { border-left-color: #12B886; }
.nav-alert[hidden] { display: none; }

.nav-sheet {
  margin-top: auto; max-width: 560px; width: 100%; margin-left: auto; margin-right: auto;
  max-height: 58vh; overflow-y: auto; overscroll-behavior: contain;
  background: var(--surface); color: var(--ink); border-radius: 18px; padding: 14px 16px 16px; box-shadow: var(--lift-2);
}
.nav-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.nav-head h2 { margin: 0; font-size: 16.5px; }
.nav-q { margin: 4px 0 10px; font-weight: 600; }
.nav-q small { color: var(--ink-3); font-weight: 400; }
.nav-sheet button {
  font: inherit; min-height: 44px; padding: 8px 14px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--surface-2); color: var(--ink); cursor: pointer;
}
.nav-sheet button[aria-pressed="true"] { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.nav-sheet button:disabled { opacity: .55; cursor: default; }
.nav-sheet .nav-primary, .nav-entry .nav-primary { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 600; }
.nav-sheet .nav-danger { color: #E5484D; }
.nav-sheet .nav-ghost { min-height: 36px; padding: 4px 10px; background: transparent; }
.nav-origin-btns, .nav-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 6px 0 10px; }
.nav-origin-btns button, .nav-row > button { flex: 1 1 140px; }
.nav-search { position: relative; margin-bottom: 10px; }
.nav-search input { width: 100%; min-height: 44px; font: inherit; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); }
.nav-suggest { margin-top: 4px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.nav-suggest button { display: block; width: 100%; text-align: left; border: 0; border-radius: 0; border-bottom: 1px solid var(--line); background: var(--surface); }
.nav-suggest small { display: block; color: var(--ink-3); font-size: 12px; }
.nav-suggest p { margin: 0; padding: 10px 12px; color: var(--ink-3); font-size: 13px; }
.nav-mode { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; font-size: 13.5px; color: var(--ink-2); }
.nav-mode button { min-height: 38px; padding: 4px 12px; }
.nav-stoplist, .nav-legs, .nav-src { margin: 6px 0; padding: 0; list-style: none; }
.nav-stoplist li { padding: 3px 0; font-size: 13.5px; }
.nav-stoplist b { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--ink); color: var(--surface); font-size: 11.5px; margin-right: 4px; }
.nav-legs li { padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.nav-legs li span { display: block; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.nav-src-tag { display: inline-block; margin-top: 2px; font-size: 11.5px; padding: 1px 7px; border-radius: 999px; background: var(--surface-2); color: var(--ink-2); }
.nav-src-tag.tmap { background: #E8F3FF; color: #1B64DA; }
.nav-src-tag.line { background: #FFF1E6; color: #A14B00; }
.nav-src li, .nav-note, .nav-attr, .nav-install, .nav-status { font-size: 12px; color: var(--ink-3); margin: 4px 0; line-height: 1.5; }
.nav-attr a { color: inherit; }
.nav-install button { min-height: 36px; padding: 4px 10px; font-size: 12.5px; }
.nav-next { display: grid; gap: 2px; padding: 4px 0 8px; }
.nav-next small { color: var(--ink-3); font-size: 12px; }
.nav-next b { font-size: 18px; }
.nav-next span { color: var(--ink-2); font-variant-numeric: tabular-nums; font-size: 13.5px; }
.nav-total { display: flex; justify-content: space-between; gap: 8px; font-size: 13.5px; font-variant-numeric: tabular-nums; padding: 6px 0; border-top: 1px solid var(--line); }
.nav-total small { color: var(--ink-3); }
.nav-arrive { display: grid; gap: 2px; padding: 10px 12px; margin-bottom: 8px; border-radius: 12px; background: #E6F7EF; color: #0B5E39; }
.nav-arrive[hidden] { display: none; }
.nav-actions > button { flex: 1 1 calc(50% - 8px); }

.nav-pin, .nav-pin.start {
  display: grid; place-items: center; min-width: 26px; height: 26px; padding: 0 6px; border-radius: 999px;
  background: #191F28; color: #fff; font: 700 12.5px/1 "IBM Plex Sans KR", sans-serif; border: 2px solid #fff; box-shadow: 0 1px 4px rgba(0,0,0,.35);
}
.nav-pin.start { background: #3182F6; }
.nav-me { display: block; width: 18px; height: 18px; border-radius: 50%; background: #3182F6; border: 3px solid #fff; box-shadow: 0 0 0 2px rgba(49,130,246,.35), 0 1px 4px rgba(0,0,0,.4); }
.nav-pin-holder { background: none; border: 0; }

.nav-entry { display: grid; gap: 4px; margin: 10px 0 12px; }
.nav-entry button { font: inherit; min-height: 46px; border-radius: 12px; border: 1px solid var(--accent); cursor: pointer; }
.nav-entry small { color: var(--ink-3); font-size: 12px; }
.nav-route-entry { font: inherit; min-height: 44px; width: 100%; margin-bottom: 8px; border-radius: 10px; border: 1px solid var(--accent); background: var(--accent); color: #fff; font-weight: 600; cursor: pointer; }
.nav-route-entry:disabled { background: var(--surface-2); color: var(--ink-3); border-color: var(--line); cursor: default; }
.install-app { font: inherit; font-size: 13px; min-height: 36px; padding: 4px 12px; margin-left: auto; margin-right: 8px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; }
.install-app[hidden] { display: none; }

@media (min-width: 961px) {
  .nav-layer { align-items: flex-start; }
  .nav-banner, .nav-alert, .nav-sheet { margin-left: 0; max-width: 420px; }
}
html[data-theme="dark"] .nav-arrive { background: #10382A; color: #9BE7C4; }
html[data-theme="dark"] .nav-src-tag.tmap { background: #17304F; color: #8CC0FF; }
html[data-theme="dark"] .nav-src-tag.line { background: #3A2614; color: #F5B97F; }