/* ============================================
   LESSON 24 — SPECIFIC STYLES
   Identifying Main Ideas
   ============================================ */

/* ── Part 1: Drag-to-order list ── */
.l24-orderlist {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 8px;
}

.l24-order-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-card-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  cursor: grab;
  user-select: none;
  transition: border-color .18s, background .18s, opacity .18s, transform .12s;
}
.l24-order-row:hover:not(.l24-order-correct) { border-color: var(--gold); }
.l24-order-row:active { cursor: grabbing; transform: scale(.99); }

.l24-drag-target {
  border-color: var(--gold) !important;
  background: rgba(201,168,76,.08) !important;
}
.l24-order-correct { border-color: var(--success) !important; background: rgba(74,222,128,.06) !important; cursor: default; }
.l24-order-wrong   { border-color: var(--error)   !important; background: rgba(248,113,113,.07) !important; }

.l24-pos-badge {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  color: var(--gold);
  flex-shrink: 0;
}
.l24-order-correct .l24-pos-badge {
  border-color: var(--success);
  color: var(--success);
}

.l24-drag-handle {
  font-size: 1rem;
  color: var(--text-muted);
  flex-shrink: 0;
  cursor: grab;
  opacity: .5;
  width: 18px;
  text-align: center;
}
.l24-order-correct .l24-drag-handle { display: none; }

.l24-phrase-text {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.4;
  flex: 1;
}
.l24-order-correct .l24-phrase-text { color: var(--success); font-weight: 600; }

/* ── Part 2: MCQ option buttons ── */
.l24-opt-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 8px;
}
.l24-opt {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-card-2);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
  text-align: left;
  transition: border-color .15s, background .15s;
}
.l24-opt:hover:not(:disabled) { border-color: var(--gold); background: rgba(201,168,76,.05); }
.l24-opt-letter {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 800;
  color: var(--gold);
  flex-shrink: 0;
}
.l24-opt-text    { flex: 1; font-weight: 500; }
.l24-opt-sel     { border-color: var(--gold)    !important; background: rgba(201,168,76,.08) !important; }
.l24-opt-correct { border-color: var(--success) !important; background: rgba(74,222,128,.07) !important; }
.l24-opt-wrong   { border-color: var(--error)   !important; background: rgba(248,113,113,.07) !important; }
.l24-opt:disabled { cursor: not-allowed; opacity: .75; }

/* ── Part 2 per-option explanation panels ── */
.l24-p2-exp {
  margin: 3px 0 10px 0;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: .97rem;
  line-height: 1.8;
  border: 1px solid var(--border);
}

/* ── Inline explanation panels (Part 1) ── */
.l24-inline-exp {
  margin: 4px 0 10px 0;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: .97rem;
  line-height: 1.9;
  border: 1px solid var(--border);
}
.l24-exp-ok  { background: rgba(72,199,116,.08); border-color: var(--success); }
.l24-exp-err { background: rgba(255,100,100,.07); border-color: var(--error); }

/* ── Explanation ── */
.l24-exp-card {
  padding: 14px 18px;
  background: var(--bg-card-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
}
.l24-exp-heading {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 8px;
}
.l24-exp-main {
  font-size: 1rem;
  font-weight: 700;
  color: var(--success);
}
.l24-exp-sub {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.l24-exp-sub em { color: var(--gold); font-style: normal; font-weight: 600; }

/* ── Study Tip ── */
.l24-tip-box { display: flex; flex-direction: column; gap: 14px; }
.l24-tip-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--bg-card-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
}
.l24-tip-icon  { font-size: 1.2rem; flex-shrink: 0; margin-top: 1px; }
.l24-tip-title { font-weight: 700; color: var(--gold); margin-bottom: 4px; font-size: 1rem; }
.l24-tip-body  { color: var(--text-muted); font-size: .97rem; line-height: 1.55; margin: 0; }
.l24-tip-body em { color: var(--gold); font-weight: 600; font-style: normal; }

/* ── Shake animation ── */
@keyframes l24-shake {
  0%,100% { transform: translateX(0); }
  20%     { transform: translateX(-6px); }
  40%     { transform: translateX(6px); }
  60%     { transform: translateX(-4px); }
  80%     { transform: translateX(4px); }
}
.l24-shake { animation: l24-shake .4s ease; }