/* Color Splash Match — flip-two-cards color memory game */

.csm-setup { display: flex; flex-direction: column; gap: 18px; }
.csm-setup h3 { margin: 0 0 8px; font-size: 1.05rem; }

.csm-pick-row { display: flex; flex-wrap: wrap; gap: 10px; }

.csm-pick {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 2px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
  cursor: pointer;
  font: inherit;
  min-width: 190px;
  text-align: left;
}
.csm-pick strong { font-size: 1rem; }
.csm-pick small { color: var(--color-text-soft); }
.csm-pick[aria-pressed="true"] { border-color: var(--color-primary); background: rgba(79, 216, 224, 0.12); }

.csm-start-btn { align-self: flex-start; margin-top: 4px; }

.csm-rewards { font-size: 0.85rem; color: var(--color-text-soft); }
.csm-rewards strong { color: var(--color-text); }

.csm-play { display: flex; flex-direction: column; gap: 14px; }

.csm-banner {
  padding: 12px 16px;
  border-radius: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 1.1rem;
  font-weight: 800;
  text-align: center;
}

.csm-board { display: grid; gap: 10px; justify-content: center; }
.csm-board--4 { grid-template-columns: repeat(4, 64px); }
.csm-board--6 { grid-template-columns: repeat(4, 64px); }
.csm-board--8 { grid-template-columns: repeat(4, 64px); }
@media (min-width: 560px) { .csm-board--6 { grid-template-columns: repeat(6, 64px); } .csm-board--8 { grid-template-columns: repeat(4, 64px); } }
@media (min-width: 640px) { .csm-board--8 { grid-template-columns: repeat(4, 70px); } }

.csm-card {
  width: 64px;
  height: 64px;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  perspective: 500px;
}
.csm-card-inner {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.3s ease;
}
.csm-card--up .csm-card-inner, .csm-card--matched .csm-card-inner { transform: rotateY(180deg); }
.csm-card-back, .csm-card-front {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  backface-visibility: hidden;
}
.csm-card-back { background: var(--color-bg-alt); border: 2px solid var(--color-border); font-size: 1.4rem; color: var(--color-text-soft); }
.csm-card-front { background: var(--color-surface); border: 2px solid var(--color-border); transform: rotateY(180deg); }
.csm-card--matched .csm-card-front { border-color: var(--color-success); }

.csm-splash { width: 40px; height: 40px; border-radius: 46% 54% 55% 45% / 50% 45% 55% 50%; }
.csm-recipe { display: flex; align-items: center; gap: 4px; }
.csm-dot { width: 20px; height: 20px; border-radius: 50%; display: inline-block; }
.csm-plus { font-weight: 800; color: var(--color-text-soft); }

.csm-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }