*, *::before, *::after { box-sizing: border-box; }

:root {
  --app-width:             480px;
  --color-bus:             #ffc72c;
  --color-green-line:      #00843d;
  --color-red-line:        #da291c;
  --color-orange-line:     #ed8b00;
  --color-blue-line:       #003da5;
  --color-silver-line:     #7c878e;
  --color-commuter-rail:   #80276c;
  --color-mattapan:        #da291c;
  --color-ferry:           #008eaa;
  --chip-opacity-min:      0.6;
}

#progress-bar {
  height: 2px;
  left: 50%;
  max-width: var(--app-width);
  overflow: hidden;
  position: fixed;
  top: 0;
  transform: translateX(-50%);
  width: 100%;
  z-index: 1000;
}

#progress-bar.loading::after {
  animation: progress-slide 1.2s ease-in-out infinite;
  background: var(--color-bus);
  content: "";
  height: 100%;
  position: absolute;
  top: 0;
  width: 40%;
}

@keyframes progress-slide {
  0%   { left: -40%; }
  100% { left: 100%; }
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  backdrop-filter: blur(6px) grayscale(80%);
  -webkit-backdrop-filter: blur(6px) grayscale(80%);
  background: rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  margin: 0;
  background: #e0e0e0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.panel {
  width: 100%;
  max-width: var(--app-width);
  min-height: 100dvh;
  background: #f5f5f5;
}

#toast {
  width: 100%;
  max-width: var(--app-width);
  background: #fde8e8;
  color: #7f1d1d;
  border-bottom: 1px solid #fca5a5;
  padding: 0.6rem 0.75rem;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

#toast[hidden] { display: none; }

#dismiss-toast {
  align-items: center;
  color: #991b1b;
  display: flex;
  height: 1rem;
  flex-shrink: 0;
  padding-left: 1rem;
}

.error { color: red; margin: 1rem; }

.app-header {
  align-items: center;
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 0.75rem 0.5rem;
}

.app-title {
  flex-shrink: 0;
  margin: 0;
}

.app-title, .overlay-label {
  background: white;
  border-radius: 8px;
  border: 1px solid black;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: 800;
  padding: 0 0.35rem;
}

.app-info {
  font-size: 0.7rem;
  color: #888;
}

.icon {
  height: 1em;
  width: 1em;
}

.routes-page {
  display: flex;
  flex-direction: column;
  margin-bottom: 4rem;
}

.bucket-header {
  align-items: center;
  color: #888;
  display: flex;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.75rem;
}

.route-card + .bucket-header {
  margin-top: 0.5rem;
}

.route-card + .route-card {
  margin-top: 0.5rem;
}

.route-card {
  border: 1px solid black;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  margin: 0 0.75rem;
  overflow: hidden;
}

.route-card-cols {
  background: color-mix(in srgb, var(--line-bg-color) 20%, white);
  display: flex;
}

.route-card-col {
  display: flex;
  flex-basis: 0;
  flex-direction: column;
  flex-grow: 1;
  min-width: 0;

  & + .route-card-col {
    border-left: 1px solid var(--line-bg-color);
  }
}

.route-card-id {
  align-items: center;
  background: var(--line-bg-color);
  color: var(--line-fg-color);
  display: flex;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.05rem 0.25rem;
}

.route-card[data-class="blue-line"]        { --line-bg-color: var(--color-blue-line);     --line-fg-color: #ffffff; }
.route-card[data-class="bus"]              { --line-bg-color: var(--color-bus);           --line-fg-color: #000000; }
.route-card[data-class="commuter-rail"]    { --line-bg-color: var(--color-commuter-rail); --line-fg-color: #ffffff; }
.route-card[data-class="ferry"]            { --line-bg-color: var(--color-ferry);         --line-fg-color: #ffffff; }
.route-card[data-class="green-line"]       { --line-bg-color: var(--color-green-line);    --line-fg-color: #ffffff; }
.route-card[data-class="mattapan-trolley"] { --line-bg-color: var(--color-mattapan);      --line-fg-color: #ffffff; }
.route-card[data-class="orange-line"]      { --line-bg-color: var(--color-orange-line);   --line-fg-color: #ffffff; }
.route-card[data-class="red-line"]         { --line-bg-color: var(--color-red-line);      --line-fg-color: #ffffff; }
.route-card[data-class="silver-line"]      { --line-bg-color: var(--color-silver-line);   --line-fg-color: #ffffff; }

.route-row {
  align-items: center;
  background: color-mix(in srgb, var(--line-bg-color) 20%, white);
  cursor: pointer;
  display: flex;
  flex-direction: row;
  flex-grow: 0;
  gap: 0.3rem;
  padding: 0.25rem;

  &[data-expanded] {
    align-items: stretch;
    flex-direction: column;

    & .headsign {
      white-space: normal;
    }
  }

  & + .route-row {
    border-top: 1px solid var(--line-bg-color);
  }
}

.headsign {
  /* same height as chip */
  border-bottom-color: transparent;
  border-bottom-style: solid;
  border-bottom-width: 1px;
  border-top-color: transparent;
  border-top-style: solid;
  border-top-width: 1px;
  font-size: 0.8rem;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.route-stop {
  color: #888;
  display: none;
  font-size: 0.8rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.route-row[data-expanded] .route-stop {
  display: block;
  white-space: normal;

  & .route-stop-name {
    vertical-align: middle;
  }

  & .walk-time {
    vertical-align: middle;
  }
}

.route-times {
  display: contents;
}

.route-times > .chip {
  order: 1;
}

.chips-extra {
  display: flex;
  flex: 1 0 0;
  gap: 0.3rem;
  mask-image: linear-gradient(to right, black calc(100% - 2rem), transparent 100%);
  order: 2;
  overflow: hidden;
}

.route-row[data-expanded] .route-times {
  display: flex;
  flex-wrap: wrap;
  flex: 0 0 auto;
  gap: 0.3rem;
  margin-top: 0.15rem;
  overflow: visible;
}

.route-row[data-expanded] .route-times > .chip {
  order: 0;
}

.route-row[data-expanded] .chips-extra {
  display: contents;
}

.chip {
  align-items: center;
  background: color-mix(in srgb, var(--line-bg-color) 10%, white);
  border-radius: 4px;
  border: 1px solid #888;
  display: inline-flex;
  flex-shrink: 0;
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  justify-content: center;
  min-width: 3ch;
  padding: 0 0.15rem;
  white-space: nowrap;

  &[data-state="urgent"] .chip-relative {
    font-weight: 300;
  }
}

.chip-absolute {
  display: none;
}

.route-row[data-expanded] .chip-absolute {
  display: inline;
}

.route-row[data-expanded] .chip-absolute,
.trip-stop-time {
  color: #999;
  font-size: 0.8em;
}

.route-row[data-expanded] .chip {
  gap: 0.25rem;
}

.trip-stops {
  display: grid;
  grid-template-columns: 1fr auto auto;
  margin: 0.5rem 0.75rem 4rem 0.75rem;
}

.trip-stop {
  align-items: center;
  border-bottom: 1px solid #e0e0e0;
  column-gap: 0.5rem;
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: subgrid;
  padding: 0.25rem;
}

.trip-stop--past {
  opacity: 0.35;
}

.trip-stop--mine {
  & .trip-stop-name, & .trip-stop-wait {
    font-weight: 600;
  }
}

.trip-stop-left {
  align-items: center;
  display: flex;
  gap: 0.25rem;
  min-width: 0;
}

.trip-stop-name {
  flex: 0 1 auto;
  font-size: 0.9rem;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trip-stop-expander {
  border-bottom: 1px solid #e0e0e0;
  color: #aaa;
  cursor: pointer;
  font-size: 0.8rem;
  grid-column: 1 / -1;
  padding: 0.35rem 0.25rem;
  text-align: center;
}

.trip-stop-expander:hover {
  background: rgba(0, 0, 0, 0.04);
  color: #666;
}

.trip-stop-wait {
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}

.trip-stop-time {
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}

.walk-speed-control {
  align-items: center;
  color: #888;
  display: flex;
  font-size: 0.7rem;
  gap: 0.25rem;
  margin-left: auto;
}

.walk-speed-btn {
  cursor: pointer;
  display: flex;
  font-size: 1rem;
  user-select: none;
  border: 1px solid #888;
  width: 1.4rem;
  height: 1.4rem;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.walk-speed-btn:hover:not(.walk-speed-btn--disabled) {
  background: rgba(0, 0, 0, 0.07);
  color: #111;
}

.walk-speed-btn--disabled {
  color: #ccc;
  cursor: default;
}

.walk-speed-value {
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.walk-time {
  align-items: center;
  color: #888;
  display: inline-flex;
  font-size: 0.8rem;
  vertical-align: middle;
  white-space: nowrap;
}

.cursor-pointer {
  cursor: pointer;
}

.display-none {
  display: none;
}

.invisible {
  visibility: hidden;
}