*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body, #map {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ── Detail panel ─────────────────────────────────────────────────────────── */
#panel {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 320px;
  max-width: 85vw;
  background: rgba(18, 18, 22, 0.94);
  color: #e8e8ea;
  backdrop-filter: blur(8px);
  transform: translateX(-100%);
  transition: transform 0.25s ease;
  z-index: 10;
  display: flex;
  flex-direction: column;
  padding: 20px;
  overflow-y: auto;
  box-shadow: 2px 0 16px rgba(0, 0, 0, 0.4);
}

#panel.open {
  transform: translateX(0);
}

#panel-close {
  position: absolute;
  top: 10px;
  right: 12px;
  background: none;
  border: none;
  color: #888;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}
#panel-close:hover { color: #fff; }

#panel header {
  margin-bottom: 20px;
  padding-right: 28px;
}

#panel h1 {
  font-size: 26px;
  font-weight: 700;
  color: #e8a838;
  letter-spacing: 0.5px;
}

.panel-sub {
  font-size: 12px;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 2px;
}

#panel section {
  margin-bottom: 22px;
}

#panel h2 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: #888;
  margin-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 6px;
}

#panel dl div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 0;
  font-size: 13.5px;
}

#panel dt {
  color: #999;
  flex-shrink: 0;
}

#panel dd {
  text-align: right;
  word-break: break-word;
}

.panel-note {
  font-size: 12.5px;
  color: #777;
  font-style: italic;
}

#panel footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

#panel footer a {
  color: #e8a838;
  text-decoration: none;
  font-size: 13.5px;
}
#panel footer a:hover { text-decoration: underline; }