/* NASA Space Apps brand colors (from spaceappschallenge.org) */
:root {
  --deepblue: #151622;
  --electricblue: #1b2b85;
  --neonblue: #0050d8;
  --blueyonder: #2491ff;
  --neonyellow: #e7f434;
  --white: #ffffff;
  --cloudgray: #dfe1e2;
  --claygray: #8d9297;
  --nasared: #e52207;
  --panel: rgba(21, 22, 34, 0.72);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Overpass", system-ui, sans-serif;
  color: var(--white);
  background: linear-gradient(135deg, var(--electricblue) 0%, var(--deepblue) 70%);
  background-attachment: fixed;
}

.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--neonyellow); color: var(--deepblue); padding: 8px; z-index: 10; }

.top {
  display: flex; align-items: center; gap: 20px;
  padding: 16px 24px;
}
.logo { height: 56px; width: auto; }
h1 {
  font-family: "Fira Sans", sans-serif; font-weight: 900;
  font-size: clamp(28px, 4vw, 44px); margin: 0; letter-spacing: 0.5px;
}
.hl { color: var(--neonyellow); }
.tag { margin: 2px 0 0; color: var(--cloudgray); font-size: 17px; }

main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 20px;
  padding: 0 24px 16px;
  align-items: start;
}

.stage { min-width: 0; }
.map-wrap {
  position: relative; width: 100%;
  aspect-ratio: 2 / 1;
  border-radius: 12px; overflow: hidden;
  border: 2px solid rgba(255,255,255,0.15);
  background: #000;
}
.map-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
#overlay { cursor: crosshair; }
#map:focus-visible, #overlay:focus-visible { outline: 3px solid var(--neonyellow); }
.map-wrap:focus-within { outline: 3px solid var(--neonyellow); outline-offset: 2px; }
.loading {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: "Fira Sans", sans-serif; font-size: 22px; color: var(--cloudgray);
}

.time-row {
  display: flex; align-items: center; gap: 12px; margin-top: 12px;
  font-weight: 700;
}
.time-row input { flex: 1; accent-color: var(--neonyellow); height: 28px; }
.time-row output { min-width: 110px; color: var(--cloudgray); font-weight: 400; }

.legend { display: flex; align-items: center; gap: 10px; margin-top: 8px; color: var(--cloudgray); font-size: 14px; }
.legend-bar {
  flex: 1; height: 12px; border-radius: 6px;
  background: linear-gradient(90deg, #345cfa 0%, #22c6f0 20%, #4cff4a 45%, #f7f73a 72%, #f78a10 88%, #f70018 100%);
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px; padding: 16px;
  display: flex; flex-direction: column; gap: 14px;
}

button {
  font: inherit; font-weight: 700; color: var(--white);
  background: var(--neonblue); border: 2px solid transparent;
  border-radius: 10px; padding: 10px 14px; cursor: pointer; text-align: left;
}
button:hover { background: var(--blueyonder); }
button:focus-visible { outline: 3px solid var(--neonyellow); outline-offset: 2px; }
button[aria-pressed="true"] { border-color: var(--neonyellow); }
button.big {
  font-family: "Fira Sans", sans-serif; font-size: 22px; text-align: center;
  background: var(--neonyellow); color: var(--deepblue); padding: 14px;
}
button.big:hover { filter: brightness(1.08); background: var(--neonyellow); }
button.big.on { background: transparent; color: var(--neonyellow); border-color: var(--neonyellow); }
button.secondary { background: transparent; border-color: var(--blueyonder); }
button.small { padding: 6px 10px; font-size: 14px; }
kbd {
  float: right; font-family: inherit; font-size: 12px; font-weight: 400;
  border: 1px solid rgba(255,255,255,0.4); border-radius: 4px; padding: 1px 6px; margin-left: 8px;
}

.readout { background: rgba(0,0,0,0.25); border-radius: 10px; padding: 12px; min-height: 120px; }
.place { color: var(--cloudgray); font-size: 16px; }
.value {
  font-family: "Fira Sans", sans-serif; font-weight: 900;
  font-size: 44px; line-height: 1.1; margin: 4px 0; color: var(--neonyellow);
}
.note { color: var(--cloudgray); font-size: 14px; }

.hand { display: flex; align-items: center; justify-content: space-between; }
.hand-label { font-weight: 700; }
.fingers { display: flex; gap: 6px; align-items: flex-end; height: 40px; }
.fingers i {
  display: block; width: 14px; height: 14px; border-radius: 7px;
  background: rgba(255,255,255,0.18); transition: height 0.3s, background 0.3s;
}
.fingers i.up { height: 40px; background: var(--neonyellow); }

.buttons { display: flex; flex-direction: column; gap: 8px; }

.hw-status { font-size: 14px; color: var(--cloudgray); margin-top: 6px; }
.hw-status.ok { color: var(--neonyellow); }

.help summary { cursor: pointer; font-weight: 700; }
.help ul { padding-left: 18px; margin: 8px 0 0; color: var(--cloudgray); font-size: 15px; }
.help li { margin-bottom: 4px; }

.credits { padding: 8px 24px 24px; color: var(--cloudgray); font-size: 14px; max-width: 1100px; }
.credits a { color: var(--blueyonder); }

@media (max-width: 900px) {
  main { grid-template-columns: 1fr; padding: 0 16px 16px; }
  .top { padding: 12px 16px; }
  .credits { padding: 8px 16px 24px; }
  .logo { height: 40px; }
}