:root {
  --page-background: #eef4e9;
  --surface: #ffffff;
  --primary: #315d3a;
  --primary-dark: #24462b;
  --text: #1f3022;
  --muted: #526258;
  --notice: #fff8d6;
  --notice-border: #d4a72c;
  --focus: #1e6fba;
}

html, body {
  min-height: 100%;
  background: var(--page-background);
  color: var(--text);
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, audio {
  font: inherit;
}

[hidden] {
  display: none !important;
}

#app-shell {
  min-height: 100vh;
}

.app-page {
  min-height: 100vh;
  background: var(--page-background);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  align-items: center;
  min-height: 3.5rem;
  padding: env(safe-area-inset-top) max(1rem, env(safe-area-inset-right)) 0 max(1rem, env(safe-area-inset-left));
  background: var(--primary);
  color: #fff;
  box-shadow: 0 .15rem .5rem rgba(0, 0, 0, .2);
}

.app-header h1 {
  margin: 0;
  padding: .85rem 0;
  font-size: 1.25rem;
  line-height: 1.2;
  text-align: center;
}

.app-header-with-back {
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: .5rem;
}

.app-header-with-back::after {
  content: "";
  width: 5.5rem;
}

.app-header .back-button.ui-button {
  width: 5.5rem;
  margin: 0;
  border-color: rgba(255, 255, 255, .45);
  background: rgba(255, 255, 255, .12);
  color: #fff;
}

.app-header .back-button.ui-button:hover,
.app-header .back-button.ui-button:focus {
  border-color: #fff;
  background: rgba(255, 255, 255, .22);
  color: #fff;
}

.app-content {
  width: min(48rem, 100%);
  box-sizing: border-box;
  margin: 0 auto;
  padding: 1rem max(1rem, env(safe-area-inset-right)) calc(1.5rem + env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
}

.app-footer {
  padding: .85rem max(1rem, env(safe-area-inset-right)) calc(.85rem + env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  background: var(--primary);
  color: #fff;
  text-align: center;
}

.notice {
  margin: 0 0 1rem;
  padding: .75rem;
  border-left: .35rem solid var(--notice-border);
  border-radius: .25rem;
  background: var(--notice);
}

.route-section + .route-section {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid #c8d3ca;
}

.section-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(14rem, 22rem);
  gap: 1rem;
  align-items: end;
  margin-bottom: .75rem;
}

.section-heading-row h2 {
  margin: 0;
}

.route-search-controls label {
  display: block;
  margin-bottom: .35rem;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 600;
}

.route-search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .35rem;
}

#route-search {
  width: 100%;
  min-height: 2.5rem;
  box-sizing: border-box;
  padding: .5rem .65rem;
  border: 1px solid #aebcaf;
  border-radius: .3rem;
  background: var(--surface);
  color: var(--text);
}

#route-search:focus {
  outline: .2rem solid var(--focus);
  outline-offset: .1rem;
}

#clear-route-search.ui-button {
  margin: 0;
}

.route-list-summary {
  margin: 0 0 .75rem;
  color: var(--muted);
  font-size: .9rem;
}

.ui-autocomplete {
  max-height: 16rem;
  overflow-y: auto;
  overflow-x: hidden;
}

.card-list {
  display: grid;
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.card-link {
  display: grid;
  width: 100%;
  box-sizing: border-box;
  gap: .25rem;
  padding: 1rem;
  border: 1px solid #c8d3ca;
  border-radius: .65rem;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 .12rem .35rem rgba(0, 0, 0, .08);
  text-align: left;
  cursor: pointer;
}

.card-link:hover {
  border-color: var(--primary);
  box-shadow: 0 .2rem .55rem rgba(0, 0, 0, .13);
}

.card-link:focus-visible {
  outline: .2rem solid var(--focus);
  outline-offset: .15rem;
}

.card-link:disabled {
  cursor: progress;
  opacity: .65;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
}

.card-description,
.route-distance {
  color: var(--muted);
}

.route-distance {
  margin-top: .25rem;
  font-size: .9rem;
  font-weight: 600;
}

.empty-list {
  padding: 1rem;
  border-radius: .5rem;
  background: var(--surface);
  color: var(--muted);
}

.route-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .5rem;
  margin: 1rem 0;
}

.route-facts div {
  padding: .75rem;
  border-radius: .5rem;
  background: var(--surface);
  text-align: center;
}

.route-facts dt {
  color: var(--muted);
  font-size: .8rem;
}

.route-facts dd {
  margin: .25rem 0 0;
  font-weight: 700;
}

#start-tracking.ui-button {
  width: 100%;
  margin: 0 0 1rem;
  border-color: var(--primary-dark);
  background: var(--primary);
  color: #fff;
}

#start-tracking.ui-button:hover,
#start-tracking.ui-button:focus {
  background: var(--primary-dark);
  color: #fff;
}

.slideshow {
  overflow: hidden;
  border-radius: .75rem;
  background: #172019;
  color: #fff;
}

.slideshow figure {
  margin: 0;
}

.slideshow img {
  display: block;
  width: 100%;
  height: min(55vh, 28rem);
  object-fit: contain;
  background: #111;
}

.slideshow figcaption {
  min-height: 1.4rem;
  padding: .5rem .75rem;
}

.slide-controls {
  display: grid;
  grid-template-columns: auto minmax(4rem, 1fr) auto;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
  padding: .5rem;
  text-align: center;
}

.slide-controls.ui-controlgroup-horizontal .ui-controlgroup-item {
  float: none;
}

#slide-position {
  display: grid;
  align-items: center;
  min-height: 2.2rem;
}

#poi-audio {
  width: 100%;
  margin-top: 1rem;
}

.ui-button:focus-visible {
  outline: .2rem solid var(--focus);
  outline-offset: .12rem;
}

@media (max-width: 620px) {
  .section-heading-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
}

@media (max-width: 420px) {
  .route-facts {
    grid-template-columns: 1fr;
  }
}