body {
  font-family: "Courier New", Courier, monospace;
  margin: 0;
  padding: 2em 1em;
  background: #f0ede5;
  color: #222;
  min-height: 100dvh;
}

#container {
  width: max-content;
  margin: 0 auto;
}

#location {
  display: flex;
  justify-content: center;
  gap: 1em;
  margin-bottom: 1.5em;
  input {
    text-align: center;
    padding: 0.25em;
    width: 10ch;
    background: transparent;
    border: none;
    border-bottom: 2px solid #999;
    color: #222;
    font-family: inherit;
    font-size: inherit;
  }
}

/* gauges grid */
#metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75em;
  justify-items: center;
}

/* WBGT spans full width */
.gauge--wbgt {
  grid-column: 1 / -1;
}

/* gauge base */
.gauge {
  --pct: 0;
  --angle: 90deg;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25em;
}

/* semicircle track */
.gauge-track {
  position: relative;
  width: clamp(120px, 24vw, 150px);
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border-radius: 999px 999px 0 0;
  background: conic-gradient(
    from 180deg at 50% 100%,
    var(--gauge-color, #4cc9f0) 90deg,
    var(--gauge-color, #4cc9f0) 270deg,
    transparent 270deg
  );
}

/* inner cutout */
.gauge-track::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 75%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #f0ede5;
  transform: translate(-50%, 50%);
  z-index: 2;
}

/* colored arc */
.gauge-fill {
  position: absolute;
  inset: 0;
  border-radius: 999px 999px 0 0;
  background: conic-gradient(
    from 180deg at 50% 100%,
    transparent 0deg,
    transparent 90deg,
    var(--gauge-color, #4cc9f0) 90deg,
    var(--gauge-color, #4cc9f0) var(--angle),
    transparent var(--angle)
  );
  z-index: 1;
}

/* needle */
.gauge-needle {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 3px;
  height: 88%;
  background: #c0392b;
  transform-origin: bottom center;
  transform: translateX(-50%) rotate(calc((var(--pct) / 100 * 180 - 90) * 1deg));
  transition: transform 0.8s ease-out;
  z-index: 4;
  border-radius: 2px;
}

/* center hub */
.gauge-needle::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  background: #c0392b;
  border-radius: 50%;
}

/* value text */
.gauge-value {
  position: relative;
  z-index: 3;
  font-size: 1.1em;
  font-weight: bold;
}

.gauge-label {
  font-size: 0.75em;
  opacity: 0.6;
}

/* WBGT is bigger */
.gauge--wbgt .gauge-track {
  width: clamp(200px, 50vw, 300px);
}
.gauge--wbgt .gauge-value {
  font-size: 1.75em;
}
.gauge--wbgt .gauge-label {
  font-size: 1em;
}

/* input gauge colors */
.gauge--temp { --gauge-color: #f72585; }
.gauge--rh { --gauge-color: #4361ee; }
.gauge--rh .gauge-track {
  background: conic-gradient(
    from 180deg at 50% 100%,
    #ffffff 90deg,
    #1565c0 270deg,
    transparent 270deg
  );
}
.gauge--rh .gauge-fill {
  display: none;
}
.gauge--cloud { --gauge-color: #7209b7; }
.gauge--cloud .gauge-track {
  background: conic-gradient(
    from 180deg at 50% 100%,
    #ffffff 90deg,
    #616161 270deg,
    transparent 270deg
  );
}
.gauge--cloud .gauge-fill {
  display: none;
}
.gauge--pressure { --gauge-color: #3a0ca3; }
.gauge--pressure .gauge-track {
  background: conic-gradient(
    from 180deg at 50% 100%,
    #ffffff 90deg,
    #455a64 270deg,
    transparent 270deg
  );
}
.gauge--pressure .gauge-fill {
  display: none;
}
.gauge--radiation { --gauge-color: #f77f00; }
.gauge--radiation .gauge-track {
  background: conic-gradient(
    from 180deg at 50% 100%,
    #ffffff 90deg,
    #e65100 270deg,
    transparent 270deg
  );
}
.gauge--radiation .gauge-fill {
  display: none;
}
.gauge--dewpoint { --gauge-color: #06d6a0; }
.gauge--dewpoint .gauge-track {
  background: conic-gradient(
    from 180deg at 50% 100%,
    #2196f3 90deg,
    #ffffff 184deg,
    #f44336 270deg,
    transparent 270deg
  );
}
.gauge--dewpoint .gauge-fill {
  display: none;
}

/* temperature track — blue (cold) → white (32°F) → red (hot) */
.gauge--temp .gauge-track {
  background: conic-gradient(
    from 180deg at 50% 100%,
    #2196f3 90deg,
    #ffffff 138deg,
    #f44336 270deg,
    transparent 270deg
  );
}
.gauge--temp .gauge-fill {
  display: none;
}

/* WBGT track — full category scale from load */
.gauge--wbgt .gauge-track {
  background: conic-gradient(
    from 180deg at 50% 100%,
    #95a5a6 90deg 189deg,
    #27ae60 189deg 202.5deg,
    #f1c40f 202.5deg 216deg,
    #e74c3c 216deg 225deg,
    #1a1a1a 225deg 270deg
  );
}
.gauge--wbgt .gauge-fill {
  display: none;
}

/* mobile: single column */
@media (max-width: 500px) {
  #metrics {
    grid-template-columns: 1fr;
  }
}