:root {
  --bx-amber: #f5a623;
  --bx-dark: #1a1a1a;
  --bx-bg: #fafaf7;
  --bx-card: #ffffff;
  --bx-text: #1a1a1a;
  --bx-muted: #6b6b6b;
  --bx-border: #e5e5e0;
  --branch-marines: #c8102e;
  --branch-army: #4b5320;
  --branch-navy: #002868;
  --branch-airforce: #00308f;
  --branch-coast-guard: #003366;
  --branch-space-force: #1d1d1d;
  --branch-civilian: #8a8a8a;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: var(--bx-text); background: var(--bx-bg); }

#app {
  display: grid;
  grid-template-columns: 280px 1fr;
  grid-template-rows: 56px 1fr;
  grid-template-areas:
    "top top"
    "side map";
  height: 100vh;
}

#topbar {
  grid-area: top;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px;
  background: var(--bx-dark);
  color: white;
  border-bottom: 1px solid #000;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.brand .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--bx-amber); display: inline-block; }
#stats { font-size: 14px; opacity: 0.85; }

#sidebar {
  grid-area: side;
  padding: 14px;
  background: var(--bx-card);
  border-right: 1px solid var(--bx-border);
  overflow-y: auto;
}
#sidebar input[type="search"] {
  width: 100%;
  padding: 8px 10px;
  font-size: 14px;
  border: 1px solid var(--bx-border);
  border-radius: 6px;
  margin-bottom: 12px;
}
#sidebar fieldset { border: none; padding: 0; margin: 0 0 14px 0; }
#sidebar legend { font-size: 12px; color: var(--bx-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.filters { display: flex; flex-direction: column; gap: 4px; }
.filters label { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; padding: 4px; border-radius: 4px; }
.filters label:hover { background: #f5f5f0; }
.filters input { margin: 0; }
#reset { width: 100%; padding: 8px; font-size: 13px; border: 1px solid var(--bx-border); background: white; border-radius: 6px; cursor: pointer; }
#reset:hover { background: #f5f5f0; }
.note { font-size: 11px; color: var(--bx-muted); margin-top: 14px; line-height: 1.4; }

#map { grid-area: map; height: 100%; }

.bx-marker {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 3px solid var(--bx-amber);
  background-size: cover; background-position: center;
  background-color: #ddd;
  box-shadow: 0 2px 6px rgba(0,0,0,0.35);
  cursor: pointer;
}
.bx-marker.no-avatar {
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: white; font-size: 14px;
}
.bx-marker.b-marines { border-color: var(--branch-marines); }
.bx-marker.b-army { border-color: var(--branch-army); }
.bx-marker.b-navy { border-color: var(--branch-navy); }
.bx-marker.b-airforce { border-color: var(--branch-airforce); }
.bx-marker.b-coast-guard { border-color: var(--branch-coast-guard); }
.bx-marker.b-space-force { border-color: var(--branch-space-force); }
.bx-marker.b-civilian { border-color: var(--branch-civilian); }

.bx-popup { font-family: inherit; min-width: 180px; text-align: center; }
.bx-popup-pic {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 3px solid var(--bx-amber);
  background-size: cover; background-position: center;
  background-color: #ddd;
  margin: 0 auto 8px;
}
.bx-popup-pic.no-avatar { display: flex; align-items: center; justify-content: center; font-size: 26px; }
.bx-popup .name { font-weight: 700; font-size: 16px; margin-bottom: 2px; }
.bx-popup .city { font-size: 13px; color: var(--bx-muted); margin-bottom: 4px; }
.bx-popup .branch { font-size: 12px; color: var(--bx-muted); margin-bottom: 8px; }
.bx-popup a {
  display: inline-block;
  padding: 6px 10px;
  background: var(--bx-amber);
  color: var(--bx-dark);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  border-radius: 4px;
}

@media (max-width: 720px) {
  #app {
    grid-template-columns: 1fr;
    grid-template-rows: 56px auto 1fr;
    grid-template-areas: "top" "side" "map";
  }
  #sidebar { max-height: 30vh; }
}