/* ==========================================================================
   memory.css – Memory (Prefix: hmem__)
   ========================================================================== */

.hmem__container {
  max-width: 1040px;
  margin: 0 auto;
}

.hmem__title {
  text-align: left;
}

.hmem__grid {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin: 0 auto;
}

.hmem__card {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border: 2px solid #e5e5ea;
  border-radius: 14px;
  cursor: pointer;
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 800;
  transition: transform 0.16s ease, background 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
  user-select: none;
}

.hmem__card:not(.is-found) {
  background: #fff;
}

.hmem__card.is-facedown {
  font-size: 0;
}

.hmem__card.is-facedown::before {
  content: "?";
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1.5px solid #ececf2;
  border-radius: 999px;
  background: var(--hb-bg-soft);
  color: var(--hb-navy);
  font-size: 15px;
  font-weight: 900;
}

.hmem__card.is-found {
  background: var(--hb-success-bg);
  border-color: var(--hb-success);
  color: #067247;
  cursor: default;
}

.hmem__info {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  margin-top: 20px;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--hb-primary-soft);
  color: var(--hb-primary-dark);
  font-weight: 800;
}

.hmem__btn {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px auto 0;
}

.hmem__btn::before {
  content: "↻";
  font-size: 22px;
  line-height: 1;
}

@media (max-width: 760px) {
  .hmem__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 8px;
  }

  .hmem__card {
    min-height: 46px;
    padding: 8px 6px;
    border-radius: 10px;
    font-size: 13px;
  }

  .hmem__title {
    text-align: center;
  }
}