:root {
  color-scheme: light;
  font-family: "Noto Sans JP", "Yu Gothic UI", system-ui, sans-serif;
  color: #172238;
  background: #f1f5f9;
  font-synthesis: none;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem clamp(1rem, 4vw, 3.5rem);
  color: #fff;
  background: linear-gradient(120deg, #102a43, #175cd3);
  box-shadow: 0 4px 20px rgb(15 23 42 / 14%);
}

h1, h2, p { margin: 0; }
h1 { margin-top: .15rem; font-size: clamp(1.45rem, 3vw, 2rem); letter-spacing: .03em; }
h2 { font-size: 1.15rem; }
.eyebrow { font-size: .68rem; font-weight: 800; letter-spacing: .16em; opacity: .72; }
header #updated { margin-top: .35rem; font-size: .78rem; opacity: .8; }

button {
  min-height: 2.7rem;
  border: 0;
  border-radius: .6rem;
  font: inherit;
}

#reload {
  padding: .55rem 1rem;
  color: #164e9c;
  background: #fff;
  font-size: .85rem;
  font-weight: 700;
  cursor: pointer;
}

#reload:hover { background: #eef6ff; }
#reload:focus-visible, .person-row:focus-visible { outline: 3px solid #fbbf24; outline-offset: 2px; }

main {
  display: grid;
  gap: 1.25rem;
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.5rem clamp(1rem, 4vw, 2rem) 2.5rem;
}

.people-section, .map-section {
  overflow: hidden;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 1rem;
  box-shadow: 0 8px 25px rgb(15 23 42 / 6%);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid #e7edf4;
}

.section-heading p { margin-top: .3rem; color: #64748b; font-size: .8rem; }
#status { flex-shrink: 0; }

.people-list { display: grid; }
.person-row {
  display: grid;
  grid-template-columns: minmax(7rem, .8fr) minmax(10rem, 1fr) minmax(16rem, 2fr) 1.5rem;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1rem 1.25rem;
  color: inherit;
  background: #fff;
  border-radius: 0;
  border-bottom: 1px solid #edf1f6;
  text-align: left;
}

.person-row:last-child { border-bottom: 0; }
.person-row:not(:disabled) { cursor: pointer; }
.person-row:not(:disabled):hover, .person-row.is-selected { background: #eef6ff; }
.person-row:disabled { color: #8a97a8; opacity: 1; }
.person-name { display: flex; align-items: center; gap: .65rem; font-weight: 800; }
.status-dot { width: .62rem; height: .62rem; border-radius: 50%; background: #cbd5e1; box-shadow: 0 0 0 4px #f1f5f9; }
.person-row.has-location .status-dot { background: #22c55e; box-shadow: 0 0 0 4px #dcfce7; }
.person-time { color: #475569; font-size: .86rem; }
.person-address { color: #334155; font-size: .9rem; }
.row-arrow { color: #175cd3; font-size: 1.65rem; text-align: right; }

#map { min-height: 500px; }
.leaflet-popup-content { line-height: 1.65; }
.popup-name { font-weight: 800; }

@media (max-width: 720px) {
  header { align-items: flex-start; }
  #reload { padding-inline: .75rem; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .person-row { grid-template-columns: 1fr 1.5rem; gap: .35rem .75rem; }
  .person-name, .person-time, .person-address { grid-column: 1; }
  .row-arrow { grid-column: 2; grid-row: 1 / span 3; align-self: center; }
  .person-time { padding-left: 1.28rem; }
  .person-address { padding-left: 1.28rem; }
  #map { min-height: 420px; }
}