* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: #1d2733;
  background: #dfe6ea;
}

#map { position: fixed; inset: 0; }

#brand {
  position: fixed;
  top: 12px;
  left: 12px;
  padding: 9px 14px 8px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(20, 30, 40, 0.14);
  pointer-events: none;
}
#brand h1 {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
#brand p { margin: 2px 0 0; font-size: 12px; color: #6b7785; }

#panel {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  width: min(560px, calc(100% - 24px));
  padding: 14px 18px 12px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 16px;
  box-shadow: 0 6px 30px rgba(20, 30, 40, 0.18);
}

.views {
  display: flex;
  gap: 4px;
  padding: 3px;
  background: rgba(29, 39, 51, 0.07);
  border-radius: 10px;
}
.views button {
  flex: 1;
  padding: 7px 6px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  font: inherit;
  font-size: 14px;
  color: inherit;
  cursor: pointer;
}
.views button[aria-checked="true"] {
  background: #fff;
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(20, 30, 40, 0.15);
}

.date-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 12px 0 4px;
}
#date { font-size: 22px; font-weight: 650; letter-spacing: -0.01em; }
#play {
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  background: #1d2733;
  color: #fff;
  font-size: 12px;
  cursor: pointer;
}

#day {
  width: 100%;
  margin: 6px 0 0;
  accent-color: #1d2733;
  cursor: pointer;
}

.months {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: #6b7785;
}
.months span { flex: 1; text-align: center; }

.legend { margin-top: 10px; }
#legend-bar { height: 8px; border-radius: 4px; }
#legend-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 3px;
  font-size: 11px;
  color: #6b7785;
}

#readout {
  margin-top: 8px;
  min-height: 1.3em;
  font-size: 13px;
  color: #3d4955;
  text-align: center;
}

.credits {
  margin-top: 8px;
  padding-top: 7px;
  border-top: 1px solid rgba(29, 39, 51, 0.08);
  font-size: 11px;
  color: #8a95a1;
  text-align: center;
}
.credits a { color: inherit; }
.credits a:hover { color: #1d2733; }

@media (max-width: 480px) {
  #brand { top: 8px; left: 8px; padding: 7px 11px 6px; }
  #brand h1 { font-size: 16px; }
  #brand p { font-size: 11px; }
  #panel { bottom: 12px; padding: 12px 12px 10px; }
  .views button { font-size: 13px; }
  #date { font-size: 19px; }
  .months span:nth-child(even) { visibility: hidden; }
}