:root {
  --bg: #f6f7f8;
  --card: #ffffff;
  --accent: #2d6a4f;
  --accent-2: #95d5b2;
  --grid-gap: 10px;
  --plot-size: 62px;
  --radius: 14px;
  --text: #1d1d1f;
  --muted: #5f6368;
  --stroke: #e3e6ea;
}
* { box-sizing: border-box; }
body {
  margin: 0; padding: 0;
  font-family: ui-sans-serif, system-ui, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text); background: var(--bg);
}
.site-head { padding: 24px 20px 8px; }
.site-head h1 { margin: 0 0 6px; font-size: clamp(22px, 2.6vw, 32px); }
.site-head p { margin: 0; color: var(--muted); }

.wrap { padding: 16px 20px 40px; }
.board {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 6px 18px rgba(0,0,0,.06);
}
.board-head {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-bottom: 14px;
}
.markers { display: flex; gap: 10px; color: var(--muted); flex-wrap: wrap; }
.marker { background: #fff; border: 1px dashed var(--stroke); padding: 6px 10px; border-radius: 10px; font-size: 14px; }

.compass { color: var(--muted); display: grid; place-items: center; }
.compass .rose { display: grid; place-items: center; width: 80px; height: 80px; border: 1px solid var(--stroke); border-radius: 50%; font-weight: 600; }

.map-two {
  display: grid;
  grid-template-columns: 1fr 56px 1fr; /* left, aisle, right */
  gap: 14px;
}
.aisle { background: repeating-linear-gradient(45deg, #f1f3f4, #f1f3f4 8px, #ffffff 8px, #ffffff 16px);
  border: 1px dashed var(--stroke); border-radius: 14px; }
.side h2 { margin: 4px 0 10px; font-size: 16px; color: var(--muted); }

.grid { display: grid; gap: var(--grid-gap); }
.row { display: grid; grid-auto-flow: column; justify-content: start; gap: var(--grid-gap); }
.plot {
  width: var(--plot-size); height: var(--plot-size);
  border-radius: 12px; border: 1px solid var(--stroke); background: #fff;
  display: grid; place-items: center; font-weight: 600; color: var(--text);
  cursor: pointer; box-shadow: 0 1px 0 rgba(0,0,0,.02);
  transition: transform .08s ease, box-shadow .2s ease, border-color .2s ease;
}
.plot:hover { transform: translateY(-1px); border-color: var(--accent-2); box-shadow: 0 6px 12px rgba(45,106,79,.12); }
.plot.empty { visibility: hidden; }

.footnote { color: var(--muted); font-size: 13px; margin-top: 12px; }

.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.45);
  display: none; align-items: center; justify-content: center; padding: 20px; z-index: 50;
}
.modal.open { display: flex; }
.modal-card { width: min(980px, 94vw); max-height: 90vh; background: #fff;
  border-radius: 16px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,.28);
  display: grid; grid-template-rows: auto 1fr auto;
}
.modal-header { display: flex; justify-content: space-between; align-items: center;
  padding: 14px 16px; border-bottom: 1px solid var(--stroke); }
.modal-header h3 { margin: 0; font-size: 18px; }
.modal-body { padding: 14px 16px; overflow: auto; }
.modal-body img { width: 50%; height: auto; display: block; border-radius: 12px; border: 1px solid var(--stroke); margin-bottom: 12px; }
.modal-footer { padding: 12px 16px; border-top: 1px solid var(--stroke); display: flex; justify-content: flex-end; gap: 8px; }
.btn { appearance: none; border: 1px solid var(--stroke); background: #fff; padding: 8px 12px; border-radius: 10px; cursor: pointer; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }