* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, sans-serif;
  background: #1a1a2e;
  color: #e0e0e0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px;
  min-height: 100vh;
}
h1 { margin-bottom: 12px; font-size: 1.4rem; color: #f0c040; }
#controls {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
  margin-bottom: 10px;
}
#controls label { display: flex; align-items: center; gap: 6px; font-size: 0.9rem; }
input[type="date"] {
  padding: 4px 8px; border-radius: 4px; border: 1px solid #555;
  background: #2a2a3e; color: #e0e0e0; font-size: 0.9rem;
}
input[type="range"] { width: 220px; accent-color: #f0c040; }
#timeDisplay { min-width: 76px; font-variant-numeric: tabular-nums; font-weight: 600; color: #f0c040; }
button {
  padding: 5px 14px; border-radius: 4px; border: 1px solid #555;
  background: #2a2a3e; color: #e0e0e0; cursor: pointer; font-size: 0.85rem;
}
button:hover { background: #3a3a5e; }
#info {
  display: flex; gap: 20px; margin-bottom: 10px;
  font-size: 0.85rem; color: #aaa;
}
#info strong { color: #ccc; }
#canvasWrap { position: relative; margin-top: 4px; }
canvas { display: block; border: 2px solid #333; border-radius: 4px; }
.dir {
  position: absolute; font-weight: 700; font-size: 13px; color: #f0c040;
  pointer-events: none; user-select: none;
}
.dir.n { top: 4px; left: 50%; transform: translateX(-50%); }
.dir.s { bottom: 4px; left: 50%; transform: translateX(-50%); }
.dir.e { right: 6px; top: 50%; transform: translateY(-50%); }
.dir.w { left: 6px; top: 50%; transform: translateY(-50%); }
footer {
  margin-top: 16px;
  font-size: 0.85rem;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
footer a {
  color: #f0c040;
  text-decoration: none;
}
footer a:hover { text-decoration: underline; }
.swatch {
  display: inline-block; width: 14px; height: 14px; border-radius: 2px;
  vertical-align: middle; margin-right: 4px; border: 1px solid #555;
}