/* ==========================================================================
   stance.css — 首頁的「這門課的立場」實證聲明
   ========================================================================== */

.Stance {
  padding: var(--base-size-32) 0;
  background-color: var(--bgColor-muted);
  border-bottom: 1px solid var(--borderColor-default);
}

.Stance__head {
  display: flex;
  align-items: center;
  gap: var(--base-size-8);
  margin-bottom: var(--base-size-8);
}

.Stance__title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.Stance__lede {
  max-width: 72ch;
  margin-bottom: var(--base-size-24);
  font-size: 14px;
  color: var(--fgColor-muted);
  line-height: 1.6;
}

.Stance__grid {
  display: grid;
  /* min() 讓欄寬在窄於 300px 的視窗塌成 100%，否則會硬撐出水平捲軸 */
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: var(--base-size-16);
}

.StanceCard {
  display: flex;
  flex-direction: column;
  background-color: var(--bgColor-default);
  border: 1px solid var(--borderColor-default);
  border-radius: var(--borderRadius-medium);
  overflow: hidden;
}

.StanceCard__head {
  display: flex;
  align-items: center;
  gap: var(--base-size-8);
  padding: var(--base-size-12) var(--base-size-16);
  border-bottom: 1px solid var(--borderColor-muted);
}

.StanceCard__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--fgColor-onEmphasis);
  background-color: var(--fgColor-done);
  border-radius: var(--borderRadius-full);
}

.StanceCard__name {
  flex: 1;
  min-width: 0;
  font-size: 14px;
  font-weight: 600;
}

.StanceCard__body {
  flex: 1;
  padding: var(--base-size-16);
  font-size: 13px;
  line-height: 1.65;
}

.StanceCard__verdict {
  margin-bottom: var(--base-size-12);
  padding-left: var(--base-size-12);
  border-left: 3px solid var(--fgColor-done);
  font-weight: 600;
}

.StanceCard__summary {
  color: var(--fgColor-muted);
}

.StanceCard details {
  margin-top: var(--base-size-12);
  border-top: 1px solid var(--borderColor-muted);
  padding-top: var(--base-size-12);
}

.StanceCard summary {
  display: flex;
  align-items: center;
  gap: var(--base-size-4);
  font-size: 12px;
  font-weight: 600;
  color: var(--fgColor-accent);
  cursor: pointer;
  list-style: none;
}

.StanceCard summary::-webkit-details-marker {
  display: none;
}

.StanceCard summary::after {
  content: "▸";
  font-size: 10px;
  transition: transform 0.15s ease;
}

.StanceCard details[open] summary::after {
  transform: rotate(90deg);
}

.StanceCard__findings {
  display: grid;
  gap: var(--base-size-8);
  margin-top: var(--base-size-12);
}

.StanceCard__findings li {
  position: relative;
  padding-left: var(--base-size-16);
  font-size: 12px;
  line-height: 1.6;
  color: var(--fgColor-muted);
}

.StanceCard__findings li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: var(--borderRadius-full);
  background-color: var(--fgColor-muted);
}

.StanceCard__foot {
  padding: var(--base-size-12) var(--base-size-16);
  background-color: var(--bgColor-muted);
  border-top: 1px solid var(--borderColor-muted);
}

.StanceCard__cites {
  display: flex;
  flex-wrap: wrap;
  gap: var(--base-size-4);
}

.StanceCard__cites a {
  font-size: 11px;
}

@media (max-width: 767px) {
  .Stance {
    padding: var(--base-size-24) 0;
  }

  .Stance__title {
    font-size: 17px;
  }
}