:root {
  --bg1: #fdf4ff; --bg2: #fae8ff;
  --accent: #c026d3; --accent2: #a21caf; --soft: #fae8ff;
}
.rek {
  background: #fff; border-radius: 22px; box-shadow: var(--shadow); border: 1px solid var(--line);
  padding: 14px 18px; margin: 0 auto 14px; max-width: 560px;
}
.rek .rij { position: relative; display: flex; gap: 4px; align-items: center; height: 44px; margin: 6px 0; }
.rek .rij::before { content: ""; position: absolute; left: -8px; right: -8px; top: 50%; height: 4px; background: #a8a29e; border-radius: 4px; z-index: 0; }
.rek .rij .gat { width: 10px; flex: none; }
.kraal {
  position: relative; z-index: 1; width: 40px; height: 40px; border-radius: 50%; flex: none;
  background: radial-gradient(circle at 35% 30%, #fff, #d4d4d8); border: 2px solid #a1a1aa;
  transition: transform .35s, background .3s;
}
.kraal.rood { background: radial-gradient(circle at 35% 30%, #fecaca, #dc2626); border-color: #991b1b; }
.kraal.wit { background: radial-gradient(circle at 35% 30%, #fff, #e7e5e4); border-color: #a8a29e; }
.kraal.a { background: radial-gradient(circle at 35% 30%, #fed7aa, #f97316); border-color: #c2410c; }
.kraal.b { background: radial-gradient(circle at 35% 30%, #bfdbfe, #2563eb); border-color: #1e40af; }
.kraal.leeg { background: transparent; border: 2px dashed #c4b5fd; }
.kraal.weg { opacity: .35; }
.kraal.weg::after { content: "✕"; position: absolute; inset: 0; display: grid; place-items: center; color: #7f1d1d; font-weight: 900; font-size: 26px; }
.kraal.uit { opacity: .25; }
.rek .legenda { font-size: 14px; color: var(--muted); text-align: center; margin-top: 6px; }

.som { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; font-size: 38px; font-weight: 900; margin: 6px 0 14px; }
.som .vak {
  min-width: 64px; height: 64px; border: 3px dashed #c4b5fd; border-radius: 14px; background: #fff;
  display: inline-grid; place-items: center; padding: 0 8px; cursor: pointer;
}
.som .vak.actief { border-style: solid; border-color: var(--accent); box-shadow: 0 0 0 4px var(--soft); }
.som .vak.goed { border-color: var(--good); background: var(--good-soft); border-style: solid; }
.som .vak.fout { border-color: var(--bad); background: var(--bad-soft); border-style: solid; }
.som .a { color: #ea580c; }
.som .b { color: #2563eb; }

.pad { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; max-width: 520px; margin: 0 auto; }
.pad button {
  background: #fff; border: 2px solid var(--line); border-radius: 12px; padding: 10px 0; font-size: 26px; font-weight: 900;
  box-shadow: 0 3px 0 var(--line);
}
.pad button:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--line); }
.pad .ok { background: var(--good); color: #fff; border-color: var(--good); box-shadow: 0 3px 0 #15803d; }
.pad .del { background: var(--soft); }

.sprong { background: #fff; border-radius: 18px; padding: 6px; margin: 10px auto; max-width: 640px; box-shadow: var(--shadow); }
.sprong svg { width: 100%; height: auto; display: block; }
.sprong .boog { stroke-dasharray: 400; stroke-dashoffset: 400; animation: teken .5s forwards; }
@keyframes teken { to { stroke-dashoffset: 0; } }

@media (max-width: 560px) {
  .kraal { width: 26px; height: 26px; border-width: 2px; }
  .rek { padding: 10px 12px; }
  .rek .rij { height: 30px; gap: 3px; }
  .rek .rij .gat { width: 6px; }
  .kraal.weg::after { font-size: 18px; }
  .som { font-size: 28px; gap: 6px; }
  .som .vak { min-width: 48px; height: 52px; }
  .pad button { font-size: 22px; }
}