:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #1a2233;
  --muted: #6b7280;
  --accent: #4f46e5;
  --border: #e5e7eb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}
nav {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 1.4rem;
}
nav .logo { font-weight: 700; font-size: 1.1rem; color: var(--accent); text-decoration: none; }
nav a { color: var(--ink); text-decoration: none; font-size: 0.95rem; }
nav a:hover { color: var(--accent); }
nav .mode {
  margin-left: auto;
  font-size: 0.8rem;
  padding: 0.25rem 0.7rem;
  border-radius: 99px;
  font-weight: 600;
}
nav .mode.live { background: #dcfce7; color: #166534; }
nav .mode.mock { background: #fef3c7; color: #92400e; }
main { max-width: 1200px; margin: 1.5rem auto; padding: 0 1.4rem; }
h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; }
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem;
  margin-bottom: 1.2rem;
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.55rem 1.1rem;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { filter: brightness(1.1); }
.btn.secondary { background: #eef2ff; color: var(--accent); }
.btn.danger { background: #fee2e2; color: #b91c1c; }
.btn:disabled { opacity: 0.5; cursor: default; }
label { display: block; font-size: 0.85rem; font-weight: 600; margin: 0.7rem 0 0.25rem; }
input, select {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  background: #fff;
}
.row { display: flex; gap: 1rem; }
.row > div { flex: 1; }
#map, .gridmap { height: 560px; border-radius: 10px; border: 1px solid var(--border); }
.stats { display: flex; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8rem 1.2rem;
  min-width: 130px;
}
.stat .num { font-size: 1.5rem; font-weight: 700; }
.stat .lbl { font-size: 0.78rem; color: var(--muted); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.55rem 0.7rem; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { font-size: 0.78rem; text-transform: uppercase; color: var(--muted); }
tr:hover td { background: #fafafa; }
.pin-badge {
  border-radius: 50%;
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255,255,255,0.85);
  box-shadow: 0 1px 4px rgba(0,0,0,0.35);
  font-size: 13px;
}
.muted { color: var(--muted); font-size: 0.88rem; }
.banner {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
  border-radius: 8px;
  padding: 0.6rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.candidates { margin: 0.6rem 0; padding: 0; list-style: none; }
.candidates li {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.8rem;
  margin-bottom: 0.4rem;
  cursor: pointer;
  font-size: 0.9rem;
}
.candidates li:hover { border-color: var(--accent); background: #eef2ff; }
.candidates li.selected { border-color: var(--accent); background: #eef2ff; font-weight: 600; }
.progressbar { background: var(--border); border-radius: 99px; height: 10px; overflow: hidden; margin: 0.6rem 0; }
.progressbar > div { background: var(--accent); height: 100%; width: 0; transition: width 0.4s; }
.legend { display: flex; gap: 0.7rem; align-items: center; flex-wrap: wrap; font-size: 0.82rem; margin-top: 0.7rem; }
.legend span { display: inline-flex; align-items: center; gap: 0.3rem; }
.legend i { width: 14px; height: 14px; border-radius: 50%; display: inline-block; }
.compare-wrap { display: flex; gap: 1rem; }
.compare-wrap > div { flex: 1; }
.compare-wrap .gridmap { height: 480px; }