:root {
  color-scheme: light;
  --ink: #2b211d;
  --muted: #7a6a62;
  --bg: #f6f1ec;
  --card: #ffffff;
  --line: #e4d9cf;
  --accent: #8a4b3a;
  --accent-ink: #ffffff;
  /* white -> red, one step per 2 persons */
  --b0: #ffffff;
  --b1: #fff6c4;
  --b2: #ffe97a;
  --b3: #ffd21f;
  --b4: #ffaa4d;
  --b5: #ff8f7a;
  --b6: #e5372b;
  --b7: #8e1010;
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  -webkit-tap-highlight-color: transparent;
}
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }

/* ---------- header ---------- */
.top {
  padding: 10px 16px 8px;
  padding-top: max(10px, env(safe-area-inset-top));
  background: var(--card);
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 8px;
}
.row { display: flex; align-items: center; gap: 8px; }
h1 { font-size: 1.05rem; margin: 0; flex: 1; letter-spacing: .01em; }
.live { font-size: .75rem; color: #2e8b57; font-weight: 600; }
.live.off { color: #c0392b; }

.stats { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 6px; }
.stats div {
  background: var(--bg); border-radius: 10px; padding: 6px 8px;
  display: flex; flex-direction: column; line-height: 1.15;
}
.stats b { font-size: 1.1rem; font-variant-numeric: tabular-nums; }
.stats span { font-size: .7rem; color: var(--muted); }
.stats i { font-style: normal; }

.tools { flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line); background: var(--bg); border-radius: 999px;
  padding: 6px 10px; font-size: .8rem; max-width: 42vw;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.find { display: flex; flex: 1; min-width: 120px; }
.find input {
  width: 100%; min-width: 0; border: 1px solid var(--line); border-right: 0;
  border-radius: 999px 0 0 999px; padding: 6px 10px; font-size: 16px; background: var(--card);
}
.find button {
  border: 0; background: var(--accent); color: var(--accent-ink);
  border-radius: 0 999px 999px 0; padding: 0 12px; font-size: .8rem; font-weight: 600;
}
.zoom { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.zoom button { border: 0; background: var(--card); padding: 6px 9px; font-size: .78rem; }
.zoom button.on { background: var(--accent); color: var(--accent-ink); }

.legend {
  list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap;
  gap: 4px 12px; font-size: .75rem; color: var(--muted);
}
.legend li { display: flex; align-items: center; gap: 5px; }
.legend i { width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid #555; display: inline-block; }

.b0 { background: var(--b0); }
.b1 { background: var(--b1); }
.b2 { background: var(--b2); }
.b3 { background: var(--b3); }
.b4 { background: var(--b4); }
.b5 { background: var(--b5); }
.b6 { background: var(--b6); }
.b7 { background: var(--b7); }

/* ---------- map ---------- */
.viewport { flex: 1; overflow: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; }
.map {
  position: relative;
  width: 100%;
  margin: 0 auto;
  container-type: inline-size;
  user-select: none;
}
.map img { display: block; width: 100%; height: auto; opacity: .55; filter: grayscale(.2); }

.tbl {
  position: absolute;
  width: 3.74%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: max(1.5px, .18cqw) solid #444;
  padding: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  line-height: 1;
  font-size: 1.44cqw;
  font-weight: 700;
  color: #222;
  box-shadow: 0 .12cqw .37cqw rgba(0,0,0,.25);
  transition: background-color .25s, transform .15s;
  touch-action: manipulation;
}
.tbl:active { transform: translate(-50%, -50%) scale(.92); }
.tbl .cnt { display: none; font-size: 1.04cqw; font-weight: 600; margin-top: .18cqw; opacity: .8; }
.map.detail .tbl .cnt { display: block; }
.tbl.b6, .tbl.b7 { color: #fff; border-color: #5c0909; }
.tbl.b6 .cnt, .tbl.b7 .cnt { opacity: .95; }
.tbl.flash { animation: flash 1.2s ease 2; }
.tbl.pulse { animation: pulse .9s ease 3; z-index: 2; }
@keyframes flash { 50% { box-shadow: 0 0 0 .74cqw rgba(138, 75, 58, .45); } }
@keyframes pulse { 50% { transform: translate(-50%, -50%) scale(1.6); } }

.foot {
  display: flex; justify-content: space-between; align-items: center;
  gap: 8px; padding: 6px 16px;
  padding-bottom: max(6px, env(safe-area-inset-bottom));
  font-size: .72rem; color: var(--muted); background: var(--card); border-top: 1px solid var(--line);
}
.linkish { border: 0; background: none; color: var(--muted); text-decoration: underline; font-size: .72rem; padding: 4px; }

/* ---------- sheet ---------- */
.backdrop {
  position: fixed; inset: 0; background: rgba(30, 20, 15, .45);
  display: flex; align-items: flex-end; justify-content: center; z-index: 10;
}
.backdrop[hidden] { display: none; }
.backdrop.top-layer { z-index: 20; align-items: center; padding: 16px; }

.sheet {
  width: 100%; max-width: 460px; background: var(--card);
  border-radius: 20px 20px 0 0; padding: 16px;
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  max-height: 92dvh; overflow: auto;
  animation: up .2s ease;
}
@keyframes up { from { transform: translateY(30px); opacity: .4; } }
@media (min-width: 600px) {
  .backdrop { align-items: center; }
  .sheet { border-radius: 20px; }
}
.sheet-head { display: flex; align-items: baseline; justify-content: space-between; }
.sheet-head h2 { margin: 0; font-size: 1.35rem; }
.cap { font-size: .8rem; color: var(--muted); }

.now {
  margin: 10px 0 12px; padding: 10px 12px; background: var(--bg); border-radius: var(--radius);
}
.now-count { display: flex; align-items: baseline; gap: 8px; }
.now-count span { color: var(--muted); font-size: .9rem; }
.now-count b { font-size: 2rem; font-variant-numeric: tabular-nums; }
.now-meta { font-size: .8rem; color: var(--muted); margin-top: 2px; }

.warn {
  background: #fff4e5; border: 1px solid #f0b46b; color: #7a4a00;
  border-radius: 10px; padding: 8px 10px; font-size: .85rem; margin-bottom: 10px;
}

.grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.grid button {
  height: 52px; border-radius: 12px; border: 1.5px solid #bbb;
  font-size: 1.25rem; font-weight: 700; font-variant-numeric: tabular-nums;
}
.grid button.b6, .grid button.b7 { color: #fff; }
.grid button.sel { outline: 3px solid var(--ink); outline-offset: 2px; }

.stepper { display: flex; gap: 10px; margin-top: 14px; }
.stepper .step {
  width: 60px; height: 56px; border-radius: 12px; border: 1.5px solid var(--line);
  background: var(--bg); font-size: 1.8rem; line-height: 1;
}
.stepper input {
  flex: 1; min-width: 0; height: 56px; text-align: center; font-size: 1.6rem; font-weight: 700;
  border: 2px solid var(--line); border-radius: 12px; background: var(--card);
}
.stepper input:focus { outline: none; border-color: var(--accent); }
.err { color: #c0392b; font-size: .85rem; margin-top: 6px; }

.actions { display: flex; gap: 10px; margin-top: 14px; }
.btn { flex: 1; height: 52px; border-radius: 12px; font-size: 1.05rem; font-weight: 700; border: 0; }
.btn.ghost { background: var(--bg); border: 1.5px solid var(--line); }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn:disabled { opacity: .5; }

.dialog {
  width: 100%; max-width: 360px; background: var(--card); border-radius: 18px; padding: 18px;
  animation: up .15s ease;
}
.dialog h3 { margin: 0 0 6px; font-size: 1.1rem; }
.dialog p { margin: 0; color: var(--muted); font-size: .92rem; }
.dialog input {
  width: 100%; margin-top: 10px; height: 46px; border: 2px solid var(--line);
  border-radius: 10px; padding: 0 12px; font-size: 16px;
}

.toast {
  position: fixed; left: 50%; bottom: max(56px, calc(env(safe-area-inset-bottom) + 48px));
  transform: translateX(-50%); background: var(--ink); color: #fff; padding: 10px 16px;
  border-radius: 999px; font-size: .9rem; z-index: 30; max-width: calc(100vw - 32px);
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
}
.toast.bad { background: #b03a2e; }