* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #173d42;
  color: #f1f7f4;
  font:
    13px/1.5 system-ui,
    sans-serif;
}
canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: none;
}
canvas:active {
  cursor: grabbing;
}
header {
  position: fixed;
  top: 30px;
  left: 38px;
  right: 38px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}
.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  text-shadow: 0 1px 18px #183c43;
}
.mark {
  font:
    50px Georgia,
    serif;
  line-height: 1;
}
.brand strong {
  font-size: 16px;
  letter-spacing: 4px;
  font-weight: 500;
}
.brand small {
  display: block;
  font-size: 8px;
  letter-spacing: 2.5px;
  margin-top: 3px;
}
.live {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 9px;
  letter-spacing: 2px;
}
.live i {
  width: 5px;
  height: 5px;
  background: #c4eccc;
  border-radius: 50%;
  box-shadow: 0 0 10px #bdffd9;
}
#panel {
  position: fixed;
  top: 125px;
  left: 38px;
  width: 282px;
  padding: 25px 23px 18px;
  background: linear-gradient(130deg, #183f469e, #15363f61);
  backdrop-filter: blur(22px);
  border: 1px solid #ffffff26;
  border-radius: 3px;
  box-shadow: 0 16px 50px #14353c15;
  /* Short windows: scroll inside the panel rather than run into the credit line (fixed 60 px
     from the bottom) and the footer. */
  max-height: calc(100vh - 210px);
  overflow-y: auto;
  scrollbar-width: thin;
}
.eyebrow {
  font-size: 9px;
  letter-spacing: 2px;
  color: #c1d7d5;
  margin: 0 0 12px;
}
h1 {
  font:
    36px/1.1 Georgia,
    serif;
  letter-spacing: -1px;
  margin: 0 0 12px;
}
.intro {
  font-size: 12px;
  color: #d0e0df;
  margin-bottom: 22px;
}
/* Viewpoint buttons: as many columns as fit (three in the panel), wrapping to more rows when
   a water body has more viewpoints (Hetch Hetchy has five). */
.presets {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 5px;
  margin-bottom: 23px;
}
button,
select {
  font: inherit;
  color: inherit;
  cursor: pointer;
  border: 1px solid #ffffff29;
  border-radius: 3px;
  background: #12333d30;
  padding: 8px 10px;
}
button:hover,
button.active {
  background: #e4f3e826;
  border-color: #ffffff60;
}
button.active {
  color: #e9ffef;
}
.presets button {
  font-size: 11px;
  padding: 7px 5px;
  line-height: 1.25;
}
label {
  display: block;
  font-size: 11px;
  color: #e5eeeb;
  margin: 11px 0;
}
output {
  float: right;
  color: #b7cfcc;
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}
input[type="range"] {
  width: 100%;
  display: block;
  margin: 11px 0 0;
  accent-color: #d0ede2;
  height: 3px;
  cursor: pointer;
}
.row {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.row label {
  flex: 1;
  margin: 0;
}
.row select {
  display: block;
  width: 100%;
  margin-top: 6px;
  font-size: 10px;
  padding: 7px 4px;
}
select option {
  background: #1f434b;
}
.checks {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 15px;
}
.checks label {
  font-size: 10px;
  white-space: nowrap;
}
input[type="checkbox"] {
  accent-color: #acd6c5;
  vertical-align: middle;
}
.actions {
  display: flex;
  gap: 6px;
}
.actions button {
  font-size: 10px;
  padding: 8px;
  flex: 1;
}
.survey {
  position: fixed;
  top: 100px;
  right: 38px;
  width: 250px;
  padding: 16px 18px 14px;
  background: linear-gradient(130deg, #183f469e, #15363f61);
  backdrop-filter: blur(22px);
  border: 1px solid #ffffff26;
  border-radius: 3px;
}
.survey .eyebrow {
  margin-bottom: 8px;
}
#minimap {
  margin: 10px 0 8px;
}
.survey dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  margin: 0;
  font-size: 11px;
}
.survey dt {
  color: #b7cfcc;
}
.survey dd {
  margin: 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: #e9ffef;
}
.survey .source {
  font-size: 9px;
  line-height: 1.5;
  color: #b9d1cd;
  margin: 10px 0 0;
}
.survey a {
  color: #dff5e6;
}
.engine {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid #ffffff22;
  margin-top: 20px;
  padding-top: 12px;
  font-size: 8px;
  letter-spacing: 1px;
  color: #b9d1cd;
}
#toggle {
  position: fixed;
  right: 38px;
  bottom: 72px;
  border: 0;
  background: #16383b55;
  backdrop-filter: blur(12px);
  font-size: 10px;
}
footer {
  position: fixed;
  bottom: 26px;
  left: 38px;
  right: 38px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 8px;
  letter-spacing: 1.1px;
  color: #d9e8e6;
  text-shadow: 0 1px 8px #16303b;
  pointer-events: none;
}
.credit {
  pointer-events: none;
}
@media (max-height: 880px) {
  header {
    top: 20px;
  }
  #panel {
    top: 82px;
    transform: scale(.82);
    transform-origin: top left;
    /* Scaled to 0.82: the same clearance above the credit line. */
    max-height: calc((100vh - 167px) / 0.82);
  }
}
footer b {
  padding: 0 8px;
  font-weight: 400;
}
.credit {
  position: fixed;
  left: 38px;
  bottom: 60px;
  font-size: 9px;
  color: #d5e5e0ad;
  text-decoration: none;
}
#loading {
  position: fixed;
  inset: 0;
  background: #173d42;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  z-index: 9;
}
#loading h2 {
  font:
    32px Georgia,
    serif;
}
#loading p {
  color: #abc6c3;
  font-size: 12px;
}
#loading .site {
  position: absolute;
  right: 24px;
  bottom: 20px;
  color: #abc6c3;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-decoration: none;
}
#error {
  position: fixed;
  inset: auto 25px 80px;
  padding: 20px;
  background: #582c2ceb;
  color: #ffe2db;
  z-index: 10;
  white-space: pre-wrap;
}
.clean #panel,
.clean .survey,
.clean header,
.clean footer,
.clean .credit {
  display: none;
}
[hidden] {
  display: none !important;
}
@media (max-width: 700px) {
  header {
    top: 18px;
    left: 20px;
    right: 20px;
  }
  #panel {
    top: 90px;
    left: 20px;
    width: 245px;
    padding: 18px;
  }
  h1 {
    font-size: 30px;
  }
  footer {
    left: 20px;
    bottom: 15px;
  }
  footer > span:first-child {
    display: none;
  }
  .survey {
    top: auto;
    right: 20px;
    bottom: 90px;
    width: 210px;
  }
  .credit {
    left: 20px;
    bottom: 45px;
  }
  #toggle {
    right: 20px;
    bottom: 45px;
  }
  .intro {
    display: none;
  }
  .engine {
    margin-top: 12px;
  }
}

/* Embedded in the journey: the view only, no chrome. */
.embed header,
.embed #panel,
.embed .survey,
.embed footer,
.embed .credit,
.embed #toggle {
  display: none;
}

/* GPU and quality chip: shown in both the explore page and the journey's live view. */
.gpu {
  position: fixed;
  right: 38px;
  bottom: 120px;
  max-width: 300px;
  padding: 8px 12px;
  font-size: 11px;
  background: linear-gradient(130deg, #183f469e, #15363f61);
  backdrop-filter: blur(22px);
  border: 1px solid #ffffff26;
  border-radius: 3px;
}
.gpu p {
  margin: 8px 0;
  line-height: 1.45;
}
.gpu summary {
  cursor: pointer;
}
.gpu button {
  margin-top: 6px;
  font-size: 11px;
  padding: 5px 10px;
}
.embed .gpu {
  right: 16px;
  bottom: 56px;
}
/* Narrow journey view: the stop card fills the bottom, so the chip sits in the sky above it. */
@media (max-width: 600px) {
  .embed .gpu {
    top: 112px;
    bottom: auto;
    left: 16px;
    right: 16px;
    max-width: none;
  }
}
.clean:not(.embed) .gpu {
  display: none;
}