/* =========================================================
   Design tokens
   Grounded in the actual colors of a school bus: deep navy
   (trust, night sky a parent watches under) + bus yellow
   (recognition, warmth) + a black/yellow hazard stripe as
   the one signature motif, echoing the stripe painted on
   the back of a real school bus.
   ========================================================= */
:root {
  --navy-900: #16273c;
  --navy-800: #1b3350;
  --navy-700: #24476f;
  --bus-yellow: #ffc93c;
  --bus-yellow-dark: #e6a916;
  --paper: #faf7f0;
  --paper-card: #ffffff;
  --ink: #1f2a37;
  --ink-soft: #5b6b7c;
  --line: #e7e0d2;
  --green: #2f9e5b;
  --green-bg: #e7f5ec;
  --amber: #b3760b;
  --amber-bg: #fff3d9;
  --red: #c8402e;
  --red-bg: #fdeae7;

  --font-display: "Baloo 2", "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 6px 24px rgba(22, 39, 60, 0.12);
  --shadow-float: 0 10px 30px rgba(22, 39, 60, 0.18);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  overscroll-behavior: none; /* stop the whole page rubber-banding on mobile */
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

button {
  font-family: inherit;
  touch-action: manipulation; /* removes the 300ms tap delay on mobile */
}

.hidden {
  display: none !important;
}

/* App shell fills the real visible viewport on phones (dvh accounts for
   the browser's address bar showing/hiding), and never page-scrolls —
   it behaves like a native app screen instead of a long web page. */
.app {
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* =========================================================
   Top bar + signature hazard stripe
   ========================================================= */
.topbar {
  background: var(--navy-900);
  color: #fff;
  padding: calc(env(safe-area-inset-top, 0px) + 14px) 20px 14px;
  flex-shrink: 0;
}

.topbar-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
}

.topbar-icon {
  font-size: 34px;
  line-height: 1;
  background: var(--bus-yellow);
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}

.topbar-text h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  margin: 0 0 2px;
  letter-spacing: 0.2px;
}

.topbar-text p {
  margin: 0;
  font-size: 13.5px;
  color: #c7d3e0;
  font-weight: 500;
}

.hazard-stripe {
  height: 6px;
  width: 100%;
  flex-shrink: 0;
  background: repeating-linear-gradient(
    -45deg,
    var(--bus-yellow) 0 14px,
    var(--navy-900) 14px 28px
  );
}

/* =========================================================
   Layout
   Mobile-first: main fills all remaining vertical space below the
   top bar, and the map grows/shrinks to take up whatever is left
   after the search card and status banner — nothing gets clipped
   off-screen and nothing requires scrolling to reach.
   ========================================================= */
main {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 12px 12px 8px;
  flex: 1;
  min-height: 0; /* required for flex children to shrink instead of overflowing */
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* =========================================================
   Search card
   ========================================================= */
.search-card {
  background: var(--paper-card);
  border-radius: var(--radius-lg);
  padding: 16px 18px 14px;
  box-shadow: var(--shadow-card);
  flex-shrink: 0;
}

.search-card label {
  display: block;
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 8px;
  color: var(--navy-900);
}

.search-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.search-row input {
  flex: 1 1 160px;
  min-width: 0;
  padding: 14px 16px;
  border: 2px solid var(--line);
  border-radius: var(--radius-md);
  font-size: 18px;
  font-weight: 600;
  color: var(--navy-900);
  background: var(--paper);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.search-row input::placeholder {
  text-transform: none;
  font-weight: 400;
  color: #9aa5b1;
  letter-spacing: normal;
}

.search-row input:focus {
  outline: none;
  border-color: var(--bus-yellow-dark);
  background: #fff;
}

.search-row button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--bus-yellow);
  color: var(--navy-900);
  border: none;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  min-height: 52px;
  transition: transform 0.06s ease, background 0.15s ease;
}

.search-row button:hover {
  background: var(--bus-yellow-dark);
}

.search-row button:active {
  transform: scale(0.97);
}

.btn-icon {
  font-size: 17px;
}

.search-hint {
  margin: 10px 2px 0;
  font-size: 13.5px;
  color: var(--ink-soft);
}

/* =========================================================
   Status banner
   ========================================================= */
.status-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14.5px;
  font-weight: 600;
  background: var(--amber-bg);
  color: #7a5206;
  flex-shrink: 0;
}

.status-banner.status-error {
  background: var(--red-bg);
  color: #8c2c1e;
}

.status-banner.status-success {
  background: var(--green-bg);
  color: #1d6e42;
}

.status-icon {
  font-size: 18px;
}

/* =========================================================
   Map + overlays
   ========================================================= */
.map-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  flex: 1;
  min-height: 0; /* let flexbox size this from available space, not a fixed floor */
}

#map {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.leaflet-routing-container {
  display: none; /* hide turn-by-turn instructions panel */
}

/* Leaflet's default zoom buttons (26px) are too small to comfortably
   tap on a phone — enlarge them to a proper touch target */
.leaflet-touch .leaflet-bar a,
.leaflet-control-zoom a {
  width: 40px;
  height: 40px;
  line-height: 40px;
  font-size: 20px;
}

.leaflet-control-attribution {
  font-size: 10px;
}

.bus-icon-wrap {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bus-yellow);
  border-radius: 50%;
  border: 3px solid var(--navy-900);
  font-size: 20px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
}

.parent-icon-wrap {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--navy-700);
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

/* Empty state, centered over the map before a search */
.empty-state {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  background: rgba(250, 247, 240, 0.94);
}

.empty-state-icon {
  font-size: 44px;
  margin-bottom: 10px;
}

.empty-state p {
  margin: 4px 0;
  color: var(--ink-soft);
  font-size: 15px;
  max-width: 260px;
}

.empty-state p strong {
  color: var(--navy-900);
}

/* Bottom info sheet, Uber/Ola-style floating card over the map */
.info-sheet {
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 10px;
  z-index: 2;
  background: var(--paper-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
  padding: 10px 16px calc(env(safe-area-inset-bottom, 0px) + 12px);
  max-height: 45%;
  overflow-y: auto;
}

.info-sheet-handle {
  width: 40px;
  height: 4px;
  background: var(--line);
  border-radius: 4px;
  margin: 0 auto 10px;
}

.info-sheet-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.info-child {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.info-child-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--navy-900);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  background: var(--amber-bg);
  color: #7a5206;
}

.pill-hidden {
  display: none;
}

.pill-nearby {
  background: var(--green-bg);
  color: #1d6e42;
}

.link-btn {
  background: none;
  border: none;
  color: var(--navy-700);
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
  padding: 4px 0;
}

.info-sheet-details {
  display: flex;
  gap: 26px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

.info-detail {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.info-detail-label {
  font-size: 12px;
  color: var(--ink-soft);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.info-detail-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy-900);
}

/* =========================================================
   Footer
   ========================================================= */
.app-footer {
  text-align: center;
  padding: 8px 16px calc(env(safe-area-inset-bottom, 0px) + 10px);
  flex-shrink: 0;
}

.app-footer p {
  margin: 0;
  font-size: 12px;
  color: var(--ink-soft);
}

/* =========================================================
   Responsive
   Primary target is a phone held in one hand, so the base styles
   above are already phone-sized. These queries adjust for the
   other cases: very small/older phones, landscape phones, and
   larger screens (tablet/desktop).
   ========================================================= */

/* Larger screens: give the app some breathing room instead of
   stretching a phone layout edge-to-edge */
@media (min-width: 560px) {
  .topbar-text h1 { font-size: 25px; }
  main { padding: 18px 16px 12px; gap: 14px; }
  .search-card { padding: 18px 18px 16px; }
}

@media (min-width: 720px) {
  .app { height: auto; min-height: 100vh; min-height: 100dvh; overflow: visible; }
  body { overflow-y: auto; }
  .map-wrap { min-height: 560px; }
}

/* Small/older phones (e.g. iPhone SE-class, ~360px and under):
   tighten spacing and stack the search button under the input so
   both stay comfortably tappable */
@media (max-width: 380px) {
  .topbar { padding-left: 14px; padding-right: 14px; }
  .topbar-icon { width: 44px; height: 44px; min-width: 44px; font-size: 28px; }
  .topbar-text h1 { font-size: 19px; }
  .topbar-text p { font-size: 12.5px; }
  main { padding: 10px 10px 6px; gap: 8px; }
  .search-card { padding: 14px 14px 12px; }
  .search-row { flex-direction: column; }
  .search-row button { width: 100%; }
  .info-child-name { font-size: 17px; }
}

/* Landscape phones: vertical space is the scarce resource here, so
   shrink the chrome aggressively and let the map take the rest */
@media (max-height: 480px) and (orientation: landscape) {
  .topbar { padding-top: calc(env(safe-area-inset-top, 0px) + 8px); padding-bottom: 8px; }
  .topbar-text p { display: none; }
  .hazard-stripe { height: 4px; }
  main { padding: 8px 12px 4px; gap: 6px; }
  .search-card { padding: 10px 14px; }
  .search-card label { margin-bottom: 5px; font-size: 13px; }
  .search-hint { display: none; }
  .app-footer { display: none; }
  .info-sheet { max-height: 60%; padding-top: 6px; }
}

/* Respect reduced-motion preferences */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* Visible keyboard focus everywhere */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--navy-700);
  outline-offset: 2px;
}