/* ============================================================
   chem-m1-sa.css — HSC Chemistry Y11 Module 1 (Senior Adventure shell)
   Shared per-module overrides for lessonNN.sa.html files.
   Loaded AFTER senior-adventure.css + senior-adventure-microtasks.css.

   Edit-once, propagates to all 21 M1 lessons.
   ============================================================ */

/* Book-notes accordion (matches Y9 Sci U2 production pattern) */
.sa-book-notes {
  margin: 10px 0 0; padding: 14px 18px;
  background: var(--sa-bg-warm); border: 1.5px dashed var(--sa-rule);
  border-radius: var(--sa-r-sm); font-size: 13px;
}
.sa-book-notes summary {
  font-weight: 700; cursor: pointer; color: var(--sa-ink);
  font-family: var(--sa-display); font-size: 13px; list-style: none;
}
.sa-book-notes summary::-webkit-details-marker { display: none; }
.sa-book-notes summary::before { content: "📝 "; }
.sa-book-notes[open] summary { margin-bottom: 8px; }
.sa-book-notes ul { margin: 0 0 0 18px; padding: 0; color: var(--sa-ink-soft); line-height: 1.6; }
.sa-book-notes li { margin-bottom: 4px; }

/* Mode-button polish (matches senior-adventure skeleton) */
.sa-mode-btn.active {
  background: var(--sa-ink) !important;
  color: var(--sa-bg-warm) !important;
  border-color: var(--sa-ink) !important;
}

/* Drill reveal (chem-specific, calc-heavy lessons) */
.sa-drill-reveal {
  display: inline-block; margin-top: 8px; padding: 6px 14px;
  background: var(--sa-bg-warm); color: var(--sa-ink-soft);
  border: 1.5px solid var(--sa-rule); border-radius: 8px;
  font-size: 12px; font-weight: 600; font-family: var(--sa-display);
  cursor: pointer;
}
.sa-drill-reveal:hover { border-color: var(--sa-coral); color: var(--sa-ink); }
.sa-drill-ans {
  margin-top: 8px; padding: 10px 14px; border-radius: 8px;
  background: var(--sa-gold-soft, #fef3c7); border-left: 3px solid var(--sa-gold, #b45309);
  font-size: 13.5px; color: var(--sa-ink); font-family: var(--sa-mono);
}

/* SAQ taxonomy labels (Bloom verb + NSW band + marks) */
.sa-bloom, .sa-band {
  display: inline-block; padding: 2px 8px; border-radius: 6px;
  font-size: 10.5px; font-weight: 700; font-family: var(--sa-display);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.sa-bloom.understand { background: #dbeafe; color: #1e40af; }
.sa-bloom.apply      { background: #dcfce7; color: #166534; }
.sa-bloom.analyse    { background: #fef3c7; color: #92400e; }
.sa-bloom.evaluate   { background: #fce7f3; color: #9d174d; }
.sa-bloom.create     { background: #ede9fe; color: #5b21b6; }
.sa-band.band-3      { background: #e0e7ff; color: #3730a3; }
.sa-band.band-4      { background: #d1fae5; color: #065f46; }
.sa-band.band-5      { background: #fef3c7; color: #92400e; }
.sa-band.band-6      { background: #fce7f3; color: #9d174d; }
.sa-marks            { font-size: 11px; color: var(--sa-muted); margin-left: 4px; font-weight: 600; }

/* Chem concept-card visual helpers (cc-*) — colourful compare-grid, big-num panel, scale grid */
.cc-section-label {
  font-family: var(--sa-display); font-weight: 700; font-size: 13px;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--sa-ink-soft);
  margin: 22px 0 10px; padding-left: 10px; border-left: 3px solid var(--sa-coral);
}
.cc-section-label.rose { border-left-color: var(--sa-rose, #c47b8a); }
.cc-section-label.teal { border-left-color: var(--sa-teal, #0e7490); }
.cc-section-label.gold { border-left-color: var(--sa-gold, #b45309); }
.cc-compare-grid {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: stretch;
  margin: 12px 0 16px;
}
.cc-compare-card {
  padding: 14px 16px; border-radius: 12px; border: 1.5px solid;
  display: flex; flex-direction: column; gap: 8px;
}
.cc-compare-card.rose { background: var(--sa-rose-soft); border-color: rgba(196,123,138,0.45); }
.cc-compare-card.teal { background: var(--sa-teal-soft); border-color: rgba(14,110,126,0.35); }
.cc-compare-card.gold { background: var(--sa-gold-soft); border-color: rgba(214,168,95,0.50); }
.cc-compare-card.plum { background: var(--sa-plum-soft); border-color: rgba(110,79,126,0.40); }
.cc-compare-head {
  display: flex; align-items: center; gap: 8px; font-family: var(--sa-display);
  font-weight: 700; font-size: 14px; color: var(--sa-ink);
  padding-bottom: 6px; border-bottom: 1.5px dashed rgba(0,0,0,0.08);
}
.cc-compare-glyph { font-size: 20px; }
.cc-compare-glyph.cc-mono {
  font-family: 'JetBrains Mono', monospace; font-size: 22px; font-weight: 800;
  width: 28px; height: 28px; border-radius: 8px; background: rgba(255,255,255,0.6);
  display: grid; place-items: center; color: var(--sa-ink);
}
.cc-compare-card ul { margin: 0; padding-left: 18px; font-size: 13.5px; line-height: 1.55; color: var(--sa-ink); }
.cc-compare-card li { margin-bottom: 4px; }
.cc-compare-arrow {
  display: grid; place-items: center; font-family: var(--sa-display); font-weight: 700;
  font-size: 12px; color: var(--sa-muted); text-transform: uppercase; letter-spacing: 0.08em;
  text-align: center; padding: 0 4px; line-height: 1.2;
}

.cc-bignum-panel {
  margin: 16px 0; padding: 22px 24px; border-radius: 14px;
  background: linear-gradient(135deg, var(--sa-coral-soft) 0%, var(--sa-gold-soft) 100%);
  border: 1.5px solid var(--sa-coral); text-align: center;
}
.cc-bignum-label {
  font-family: var(--sa-display); font-weight: 700; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--sa-coral-deep);
}
.cc-bignum {
  font-family: 'JetBrains Mono', monospace; font-size: 38px; font-weight: 800;
  color: var(--sa-ink); margin: 4px 0 2px; letter-spacing: -0.01em;
}
.cc-bignum-sub { font-size: 13px; color: var(--sa-ink-soft); margin-bottom: 10px; }
.cc-bignum-foot {
  font-size: 13px; color: var(--sa-ink); padding-top: 10px;
  border-top: 1.5px dashed rgba(0,0,0,0.1);
}

.cc-scale-grid {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 10px;
  align-items: center; margin: 12px 0 16px;
}
.cc-scale-card {
  padding: 14px 12px; border-radius: 12px; background: var(--sa-bg-warm);
  border: 1.5px solid var(--sa-rule); text-align: center;
}
.cc-scale-svg { width: 60px; height: 60px; margin: 0 auto 6px; }
.cc-scale-num {
  font-family: 'JetBrains Mono', monospace; font-size: 20px; font-weight: 800;
  color: var(--sa-ink); margin-bottom: 2px;
}
.cc-scale-cap { font-size: 12px; color: var(--sa-ink-soft); line-height: 1.4; }
.cc-scale-arrow { font-size: 24px; color: var(--sa-muted); text-align: center; }

@media (max-width: 700px) {
  .cc-compare-grid, .cc-scale-grid { grid-template-columns: 1fr; }
  .cc-compare-arrow, .cc-scale-arrow { display: none; }
}

/* sa-tip head/desc structural classes (matches senior-adventure tip pattern) */
.sa-tip-head { font-family: var(--sa-display); font-weight: 600; font-size: 14px; color: var(--sa-ink); margin-bottom: 4px; }
.sa-tip-desc { font-size: 13.5px; line-height: 1.6; color: var(--sa-ink-soft); }

/* Worked-example header row: tag (left) + XP badge (right) */
.we-head-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 6px; flex-wrap: wrap; }
.we-head-row .we-tag { font-size: 12px !important; text-transform: uppercase; margin-bottom: 0 !important; }

/* ============================================================
   MODULE BACKGROUND — salt-flat photo with light blue overlay
   ============================================================ */
body.sa.chem-m1-bg {
  background:
    linear-gradient(rgba(186, 220, 255, 0.18), rgba(186, 220, 255, 0.18)),
    url('../../../../assets/backgrounds/chem-m1-bg.webp') center/cover fixed,
    #e0f2fe;
}

/* Lift cards onto a light frosted-glass layer so text stays readable */
body.sa.chem-m1-bg .sa-card,
body.sa.chem-m1-bg .sa-worked {
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* Tinted cards keep their colour wash but pick up the same readability lift */
body.sa.chem-m1-bg .sa-card.tint-rose { background: linear-gradient(180deg, rgba(245, 220, 225, 0.92) 0%, rgba(255,255,255,0.92) 80%); }
body.sa.chem-m1-bg .sa-card.tint-teal { background: linear-gradient(180deg, rgba(220, 240, 240, 0.92) 0%, rgba(255,255,255,0.92) 80%); }
body.sa.chem-m1-bg .sa-card.tint-gold { background: linear-gradient(180deg, rgba(250, 235, 200, 0.92) 0%, rgba(255,255,255,0.92) 80%); }
body.sa.chem-m1-bg .sa-card.tint-plum { background: linear-gradient(180deg, rgba(235, 220, 240, 0.92) 0%, rgba(255,255,255,0.92) 80%); }

/* ============================================================
   Card-grid diagram (hoisted from inline <style> blocks in
   L07/L10/L13/L18 source — used by several Module 1 lessons).
   ============================================================ */
.card-grid-diagram .data-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1.5px solid var(--sa-rule);
  border-radius: var(--sa-r);
  padding: 16px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}
.card-grid-diagram .card-title {
  font-family: var(--sa-display);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--sa-teal-deep);
  margin: 0 0 10px;
}
.card-grid-diagram .card-field {
  font-size: 13px;
  color: var(--sa-ink-soft);
  margin-bottom: 5px;
  line-height: 1.5;
}
.card-grid-diagram .field-label { font-weight: 700; color: var(--sa-ink); }
.card-grid-diagram .field-value { color: var(--sa-ink-soft); }

/* ── Hero: light lavender/purple pastel ── */
.sa-hero {
  background:
    radial-gradient(900px 350px at 90% 10%, rgba(255,255,255,0.55), transparent 55%),
    radial-gradient(600px 300px at 5% 95%, rgba(180,150,220,0.18), transparent 60%),
    linear-gradient(135deg, #d4c0f0 0%, #e8d0f8 60%, #f5e0ee 100%) !important;
}
.sa-hero h1, .sa-hero-title { color: #2c1a4a !important; }
.sa-hero-sub, .sa-hero p   { color: rgba(30,10,60,0.75) !important; }
.sa-hero-badge             { background: rgba(255,255,255,0.60) !important; border-color: rgba(44,26,74,0.18) !important; color: #2c1a4a !important; }
.sa-hero-badge.gold        { background: rgba(255,240,200,0.75) !important; color: #5a3800 !important; }