/* 収容所配布用の記事だけで使う演習情報カード。共有テーマは変更しない。 */
.exercise-meta-card {
  --exercise-meta-accent: var(--obs-accent-cyan, #168eaa);
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  box-sizing: border-box;
  width: 100%;
  max-width: var(--pj-reading-width, 76ch);
  margin: 0.7rem auto 1.35rem;
  padding: 1px;
  overflow: hidden;
  color: var(--obs-text, currentColor);
  background: linear-gradient(
    115deg,
    color-mix(in srgb, var(--exercise-meta-accent) 44%, var(--obs-border, transparent)),
    var(--obs-border, transparent) 52%,
    color-mix(in srgb, var(--obs-accent-magenta, #b7448e) 30%, var(--obs-border, transparent))
  );
  border: 0;
  border-radius: var(--obs-radius-md, 18px);
  box-shadow: var(--obs-shadow-soft, 0 12px 34px rgb(0 0 0 / 10%));
}

.exercise-meta-card::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -4rem -2rem auto auto;
  width: 9rem;
  aspect-ratio: 1;
  border: 1px solid color-mix(in srgb, var(--exercise-meta-accent) 22%, transparent);
  border-radius: 50%;
  box-shadow: 0 0 0 1.4rem color-mix(in srgb, var(--exercise-meta-accent) 5%, transparent);
  pointer-events: none;
}

.exercise-meta-card--A { --exercise-meta-accent: #4c9b72; }
.exercise-meta-card--B { --exercise-meta-accent: var(--obs-accent-cyan, #168eaa); }
.exercise-meta-card--C { --exercise-meta-accent: var(--obs-accent, #7057e8); }
.exercise-meta-card--D { --exercise-meta-accent: var(--obs-accent-magenta, #b7448e); }

.exercise-meta-card__item {
  display: grid;
  grid-template-columns: minmax(6.4rem, auto) minmax(0, 1fr);
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
  padding: 0.85rem 1rem;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--obs-glass-strong, #fff) 94%, transparent), var(--obs-surface-muted, #fff));
}

.exercise-meta-card__item:first-child {
  border-radius: calc(var(--obs-radius-md, 18px) - 1px) 0 0 calc(var(--obs-radius-md, 18px) - 1px);
}

.exercise-meta-card__item:last-child {
  border-radius: 0 calc(var(--obs-radius-md, 18px) - 1px) calc(var(--obs-radius-md, 18px) - 1px) 0;
}

.exercise-meta-card dt,
.exercise-meta-card dd {
  margin: 0;
}

.exercise-meta-card dt {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  color: var(--obs-text-muted, currentColor);
  font-family: var(--bs-font-sans-serif, sans-serif);
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.exercise-meta-card__icon {
  display: inline-grid;
  place-items: center;
  width: 1.55rem;
  height: 1.55rem;
  color: var(--exercise-meta-accent);
  font-size: 1rem;
  background: color-mix(in srgb, var(--exercise-meta-accent) 11%, transparent);
  border: 1px solid color-mix(in srgb, var(--exercise-meta-accent) 24%, transparent);
  border-radius: 999px;
}

.exercise-meta-card dd {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.72rem;
  min-width: 0;
  font-family: var(--bs-font-sans-serif, sans-serif);
  font-variant-numeric: tabular-nums;
}

.exercise-meta-card dd strong {
  color: var(--obs-text, currentColor);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 780;
  line-height: 1;
  white-space: nowrap;
}

.exercise-meta-card__meter {
  display: grid;
  grid-template-columns: repeat(4, 0.62rem);
  gap: 0.25rem;
}

.exercise-meta-card__segment {
  width: 0.62rem;
  height: 0.3rem;
  background: color-mix(in srgb, var(--obs-text-muted, #777) 20%, transparent);
  border-radius: 999px;
}

.exercise-meta-card__segment.is-active {
  background: var(--exercise-meta-accent);
  box-shadow: 0 0 9px color-mix(in srgb, var(--exercise-meta-accent) 38%, transparent);
}

.exercise-meta-card__hint {
  color: var(--obs-text-muted, currentColor);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.08em;
}

@media (max-width: 575.98px) {
  .exercise-meta-card {
    grid-template-columns: 1fr;
  }

  .exercise-meta-card__item {
    grid-template-columns: minmax(6.4rem, auto) minmax(0, 1fr);
  }

  .exercise-meta-card__item:first-child {
    border-radius: calc(var(--obs-radius-md, 18px) - 1px) calc(var(--obs-radius-md, 18px) - 1px) 0 0;
  }

  .exercise-meta-card__item:last-child {
    border-radius: 0 0 calc(var(--obs-radius-md, 18px) - 1px) calc(var(--obs-radius-md, 18px) - 1px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .exercise-meta-card,
  .exercise-meta-card * {
    transition: none !important;
  }
}