:root {
  --bg: #f8fafc;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --accent: #2563eb;
  --danger: #dc2626;
  --hover: #f1f5f9;
  --selected: #dbeafe;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --panel: #111827;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --border: #1f2937;
    --accent: #60a5fa;
    --danger: #f87171;
    --hover: #1e293b;
    --selected: #1e3a5f;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
}
[hidden] { display: none !important; }
button, input { font: inherit; color: inherit; }
input[type=search], input[type=date], input[type=email], input[type=password] {
  width: 100%; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--panel);
}
button { cursor: pointer; border-radius: 6px; padding: 6px 10px; border: 1px solid var(--border); background: var(--panel); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--danger); border-color: var(--danger); }
button.ghost { background: transparent; }
.muted { color: var(--muted); }
.error { color: var(--danger); margin: 0; }
.spacer { flex: 1; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row label { flex: 1; font-size: 12px; color: var(--muted); }
label.check { display: flex; gap: 4px; align-items: center; flex: none; font-size: 13px; color: var(--text); }

/* ログイン */
.login { display: grid; place-items: center; height: 100%; padding: 16px; }
.login-card { width: min(360px, 100%); background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 24px; display: grid; gap: 12px; }
.login-card h1 { margin: 0; font-size: 22px; }
.login-card p { margin: 0; }
.login-card label { display: grid; gap: 4px; font-size: 13px; }

/* レイアウト */
.layout { display: grid; grid-template: "top top" auto "side map" 1fr / 340px 1fr; height: 100%; }
.topbar { grid-area: top; display: flex; gap: 12px; align-items: center; padding: 8px 16px; background: var(--panel); border-bottom: 1px solid var(--border); }
.sidebar { grid-area: side; display: flex; flex-direction: column; min-height: 0; background: var(--panel); border-right: 1px solid var(--border); }
.filters { display: grid; gap: 8px; padding: 12px; border-bottom: 1px solid var(--border); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { display: inline-flex; gap: 6px; align-items: center; padding: 2px 10px; border-radius: 999px; font-size: 13px; }
.chip .dot, .item .dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.chip.off { opacity: .45; }

.list { list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; }
.item { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-bottom: 1px solid var(--border); cursor: pointer; }
.item:hover { background: var(--hover); }
.item.selected { background: var(--selected); }
.item .dot { margin-top: 5px; }
.item .title { font-weight: 600; }
.item .sub { font-size: 12px; color: var(--muted); }

.mapwrap { grid-area: map; position: relative; min-height: 0; }
#map { position: absolute; inset: 0; }
.basemaps { position: absolute; top: 10px; left: 10px; display: flex; background: var(--panel); border-radius: 8px; border: 1px solid var(--border); overflow: hidden; }
.basemaps button { border: 0; border-radius: 0; }
.basemaps button.active { background: var(--accent); color: #fff; }

.detail { position: absolute; top: 10px; right: 10px; width: min(360px, calc(100% - 20px)); max-height: calc(100% - 20px); overflow-y: auto; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,.18); }
.detail header { display: flex; gap: 8px; align-items: center; padding: 12px 12px 0; }
.detail h2 { margin: 0; font-size: 17px; flex: 1; word-break: break-all; }
.detail .body { padding: 12px; display: grid; gap: 10px; }
.detail img { width: 100%; border-radius: 8px; display: block; background: var(--hover); }
.detail dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0; font-size: 13px; }
.detail dt { color: var(--muted); }
.detail dd { margin: 0; word-break: break-all; white-space: pre-wrap; }
.detail .actions { display: flex; gap: 8px; flex-wrap: wrap; }

@media (max-width: 760px) {
  .layout { grid-template: "top" auto "map" 55vh "side" 1fr / 100%; }
  .sidebar { border-right: 0; border-top: 1px solid var(--border); }
  .topbar { padding: 8px 16px; }
}