/* =========================================================
   Bilingual Campus topic pages
   Shared layout for all teacher-PD style topic pages under
   /resources/bilingual-campus/* — Morning Assembly, School
   Tours, Self-Intro, Sister School, Practice Corner, etc.
   ========================================================= */

/* ---------- MOE policy alignment card ---------- */
.bc-moe-card {
  background: linear-gradient(135deg, #f0f6fc 0%, #e3eef8 100%);
  border-left: 5px solid var(--c-blue);
  border-radius: 10px;
  padding: 28px 32px;
  margin: 0 auto;
  max-width: 880px;
  box-shadow: 0 2px 12px rgba(28, 77, 126, 0.06);
}

.bc-moe-card p {
  margin: 0 0 12px;
  line-height: 1.7;
  color: var(--hub-ink);
  font-size: 1rem;
}

.bc-moe-card p:last-child {
  margin-bottom: 0;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed rgba(28, 77, 126, 0.25);
  font-size: .97rem;
}

.bc-moe-card strong { color: var(--c-blue-deep); font-weight: 600; }

.bc-moe-card .hub-zh {
  font-family: var(--hub-zh-font);
  color: var(--hub-ink-soft);
  line-height: 1.85;
}

/* ---------- Section grid ---------- */
.bc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  max-width: 880px;
  margin: 0 auto;
}

/* ---------- Section card ---------- */
.bc-activity {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #ece8de;
  border-top: 6px solid var(--bc-c, var(--c-blue));
  overflow: hidden;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.04);
}

.bc-activity.t-blue   { --bc-c: var(--c-blue);   --bc-c-deep: var(--c-blue-deep);   --bc-c-soft: var(--c-blue-soft); }
.bc-activity.t-green  { --bc-c: var(--c-green);  --bc-c-deep: var(--c-green-deep);  --bc-c-soft: var(--c-green-soft); }
.bc-activity.t-orange { --bc-c: var(--c-orange); --bc-c-deep: var(--c-orange-deep); --bc-c-soft: var(--c-orange-soft); }
.bc-activity.t-purple { --bc-c: var(--c-purple); --bc-c-deep: var(--c-purple-deep); --bc-c-soft: var(--c-purple-soft); }

/* ---------- Section head ---------- */
.bc-activity-head {
  background: var(--bc-c-soft);
  padding: 22px 28px 18px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.bc-activity-num {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--bc-c-deep);
  background: rgba(255, 255, 255, 0.65);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.bc-activity-title {
  margin: 0;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--bc-c-deep);
  line-height: 1.25;
}

.bc-activity-zh {
  margin: 4px 0 10px;
  font-family: var(--hub-zh-font);
  font-size: 1.05rem;
  color: var(--hub-ink-soft);
  font-weight: 500;
  letter-spacing: .03em;
}

.bc-activity-duration {
  display: inline-block;
  font-size: .85rem;
  color: var(--bc-c-deep);
  font-weight: 500;
  letter-spacing: .02em;
}

/* ---------- Section body ---------- */
.bc-activity-body {
  padding: 22px 28px 26px;
  display: grid;
  gap: 22px;
}

.bc-h3 {
  margin: 0 0 8px;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--bc-c-deep);
  letter-spacing: .01em;
}

.bc-activity-body p {
  margin: 0 0 6px;
  line-height: 1.7;
  color: var(--hub-ink);
  font-size: .98rem;
}

.bc-activity-body .hub-zh {
  font-family: var(--hub-zh-font);
  color: var(--hub-ink-soft);
  line-height: 1.85;
  word-break: keep-all;
  line-break: strict;
}

/* ---------- Script / dialogue box ---------- */
.bc-script-box {
  background: #fafaf6;
  border: 1px solid #ece8de;
  border-left: 3px solid var(--bc-c);
  border-radius: 6px;
  padding: 16px 18px;
  display: grid;
  gap: 10px;
}

.bc-script-line {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  font-size: .95rem;
  line-height: 1.6;
}

.bc-script-line strong {
  color: var(--bc-c-deep);
  font-weight: 600;
  font-size: .82rem;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.bc-script-line span {
  color: var(--hub-ink);
  font-family: var(--hub-en-font), var(--hub-zh-font);
}

/* ---------- Vocab chip row ---------- */
.bc-vocab {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.bc-vocab .chip {
  background: var(--bc-c-soft);
  color: var(--bc-c-deep);
  font-size: .88rem;
  font-weight: 500;
  padding: 5px 11px;
  border-radius: 14px;
  letter-spacing: .01em;
}

.bc-vocab .chip small {
  font-family: var(--hub-zh-font);
  font-weight: 500;
  margin-left: 4px;
  opacity: .82;
}

/* ---------- Checklist ---------- */
.bc-checklist {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.bc-checklist label {
  display: block;
  background: #fff;
  border: 1px solid #ece8de;
  border-left: 4px solid var(--hub-primary);
  border-radius: 6px;
  padding: 14px 18px;
  line-height: 1.65;
  font-size: .98rem;
  color: var(--hub-ink);
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}

.bc-checklist label:hover {
  background: #fcfaf3;
  border-left-color: var(--c-orange);
}

.bc-checklist input[type="checkbox"] {
  margin-right: 10px;
  transform: translateY(1px);
  accent-color: var(--hub-primary);
}

.bc-checklist .hub-zh {
  display: inline-block;
  margin-top: 4px;
  margin-left: 26px;
  font-family: var(--hub-zh-font);
  color: var(--hub-ink-soft);
  font-size: .94rem;
  line-height: 1.75;
  word-break: keep-all;
  line-break: strict;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .bc-moe-card { padding: 22px 20px; }
  .bc-activity-head { padding: 18px 20px 14px; }
  .bc-activity-body { padding: 18px 20px 22px; }
  .bc-activity-title { font-size: 1.32rem; }
  .bc-checklist label { padding: 12px 14px; }
  .bc-checklist .hub-zh { margin-left: 0; }
}