:root {
  --bg: #0b1020;
  --panel: #131a2e;
  --line: #243052;
  --text: #dbe3f4;
  --muted: #8a97b5;
  --accent: #ffd36b;
  --horizon: #7ee0ff;
  --ecliptic: #ce96ff;
  --equator: #c6d2ea;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
}

h1 { margin: 0; font-size: 20px; letter-spacing: 0.02em; }
.brand .sub { color: var(--muted); font-size: 13px; }
.brand { display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; }

.bars { display: grid; grid-template-columns: auto auto; gap: 8px 12px; align-items: center; }
.coord { width: 6.5em; }
.city { width: 10em; }
.city.invalid { border-color: #ff6b5e; }
.clock { text-align: right; font-variant-numeric: tabular-nums; }
.utc { font-weight: 600; }
.local { color: var(--muted); font-size: 12px; }
.controls { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }

button, select, input {
  font: inherit;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 10px;
}
button { cursor: pointer; }
button:hover, select:hover { border-color: #3a4a78; }
button:active { transform: translateY(1px); }
#now.live, #here.live { border-color: var(--accent); color: var(--accent); }
@media (max-width: 700px) { .bars { grid-template-columns: 1fr; } .clock { text-align: left; } }

main {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
  padding: 16px;
}

.map-wrap { position: relative; min-width: 0; }
canvas#map {
  display: block;
  width: 100%;
  border-radius: 6px;
  cursor: grab;
  touch-action: none;
}
canvas#map.dragging { cursor: grabbing; }
.hint { color: var(--muted); font-size: 12px; margin-top: 6px; }

.scrubbers {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 7.5em;
  gap: 4px 12px;
  align-items: center;
  margin-top: 10px;
  font-variant-numeric: tabular-nums;
}
.scrubbers label { color: var(--muted); font-size: 12px; }
.scrubbers input[type="range"] { margin: 0; }
.scrubbers output { text-align: right; }
.scrubbers > label, .scrubbers > output { align-self: start; padding-top: 3px; }

.tooltip {
  position: absolute;
  pointer-events: none;
  background: rgba(10, 14, 28, 0.94);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 9px;
  font-size: 12px;
  white-space: nowrap;
  z-index: 2;
}
.tooltip b { font-size: 13px; }
.tooltip .dim { color: var(--muted); }

aside { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
}
.panel h2 {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.panel label { display: flex; gap: 8px; align-items: center; padding: 2px 0; cursor: pointer; }
.panel label.select { justify-content: space-between; margin-top: 6px; }
.row { margin-top: 8px; }

table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: 13px; }
th { text-align: left; color: var(--muted); font-weight: 500; padding: 2px 4px; }
td { padding: 2px 4px; border-top: 1px solid rgba(36, 48, 82, 0.6); }
th:not(:first-child), td:not(:first-child) { text-align: right; }
tr.below td { color: var(--muted); opacity: 0.6; }
td .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }

.legend div { display: flex; align-items: center; gap: 8px; padding: 2px 0; }
.legend p { color: var(--muted); font-size: 12px; margin: 8px 0 0; }
.sw { display: inline-block; width: 24px; height: 0; border-top: 2px solid; }
.sw-term { border-color: #f4d58d; }
.sw-hor { border-color: var(--horizon); }
.sw-alt { border-top-width: 1px; border-color: rgba(126, 224, 255, 0.45); }
.sw-ecl { border-color: var(--ecliptic); }
.sw-eq { border-color: var(--equator); }
.sw-trail { border-color: #f2cf9c; }
.anti {
  display: inline-block; width: 10px; height: 10px; margin: 0 7px; border-radius: 50%;
  border: 2px solid #000; box-shadow: 0 0 0 1.5px rgba(255, 255, 255, 0.4);
}

.tonight { font-variant-numeric: tabular-nums; }
.tonight .dim { color: var(--muted); }
.small { font-size: 11px; margin-top: 4px; }
input[type="range"] { width: 100%; margin: 10px 0 0; padding: 0; accent-color: var(--accent); background: none; border: none; }

/* Time-of-day slider with the evening marked on it. The thumb is 16px wide, so a value's
   position along the track is 8px + fraction * (100% - 16px). */
.track { position: relative; padding-bottom: 20px; }
.track input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  position: relative;
  display: block;
  height: 22px;
  margin: 0;
  background: transparent;
}
.track input[type="range"]::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: rgba(138, 151, 181, 0.35); }
.track input[type="range"]::-moz-range-track { height: 6px; border-radius: 3px; background: rgba(138, 151, 181, 0.35); }
.track input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px; margin-top: -5px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg);
}
.track input[type="range"]::-moz-range-thumb {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg);
}
#todBands, #todMarks, #doyMarks { position: absolute; inset: 0 0 20px; pointer-events: none; }
#todMarks { z-index: 1; }
.tod-band {
  position: absolute; top: 8px; height: 6px; border-radius: 3px;
  background: linear-gradient(90deg, rgba(255, 157, 77, 0.75), rgba(126, 160, 255, 0.75));
}
.slider-mark { position: absolute; top: 2px; width: 0; height: 18px; border-left: 2px solid; }
.slider-mark span {
  position: absolute; top: 20px; transform: translateX(-50%);
  font-size: 11px; font-weight: 600; white-space: nowrap;
}
.slider-mark.sunset { border-color: #ff9d4d; color: #ff9d4d; }
.slider-mark.midnight { border-color: #8fb0ff; color: #8fb0ff; }
.slider-mark.dark { height: 12px; top: 5px; border-left-width: 1px; border-color: rgba(143, 176, 255, 0.6); color: var(--muted); }
.slider-mark.dark span { font-weight: 400; }
td.tonight-col { font-size: 12px; white-space: nowrap; }

@media (max-width: 900px) {
  main { grid-template-columns: 1fr; }
}
.slider-mark.season { height: 14px; top: 4px; border-color: rgba(198, 210, 234, 0.75); color: var(--muted); }
.slider-mark.season span { font-weight: 500; }