/* ============================================
   LESSON 16 — SPECIFIC STYLES
   Selecting from a List
   ============================================ */

/* ── Part 1: Drag-to-Order List ── */
.l16-orderlist {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 8px;
}

.l16-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;
}
.l16-order-row:hover:not(.l16-order-correct) { border-color: var(--gold); }
.l16-order-row:active { cursor: grabbing; transform: scale(.99); }

.l16-drag-target {
  border-color: var(--gold) !important;
  background: rgba(201,168,76,.08) !important;
}

.l16-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;
}

.l16-opt-letter {
  font-weight: 800;
  color: var(--gold);
  font-size: 1rem;
  min-width: 18px;
  flex-shrink: 0;
}

.l16-opt-text {
  flex: 1;
  font-size: 1rem;
  color: var(--text-muted);
}

.l16-drag-handle {
  color: var(--text-dim);
  font-size: 1rem;
  cursor: grab;
  flex-shrink: 0;
}

.l16-locked-icon {
  color: var(--success);
  font-size: 1rem;
  flex-shrink: 0;
}

/* ── Order states ── */
.l16-order-correct {
  border-color: var(--success) !important;
  background: rgba(72,199,116,.1) !important;
  cursor: default !important;
}
.l16-order-correct .l16-opt-letter,
.l16-order-correct .l16-opt-text,
.l16-order-correct .l16-pos-badge { color: var(--success); border-color: rgba(72,199,116,.4); }

.l16-order-wrong {
  border-color: var(--error) !important;
  background: rgba(255,100,100,.08) !important;
}

/* ── Shake ── */
@keyframes l16shake {
  0%,100% { transform: translateX(0); }
  20%     { transform: translateX(-6px); }
  40%     { transform: translateX(6px); }
  60%     { transform: translateX(-4px); }
  80%     { transform: translateX(4px); }
}
.l16-shake { animation: l16shake .45s ease; }

/* ── Part 2: Verdict ── */
/* ── Inline explanation panels (Part 2) ── */
.l16-exp-inline {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: .97rem;
  line-height: 1.6;
}
.l16-exp-ok {
  background: rgba(72,199,116,.1);
  border: 1px solid rgba(72,199,116,.3);
  color: var(--success);
}
.l16-exp-err {
  background: rgba(255,100,100,.08);
  border: 1px solid rgba(255,100,100,.25);
  color: var(--text);
}
.l16-exp-icon {
  flex-shrink: 0;
  font-size: 1rem;
  margin-top: 2px;
}
.l16-exp-ok .l16-exp-icon { color: var(--success); }
.l16-exp-err .l16-exp-icon { color: var(--error); }
.l16-exp-correct-lbl { color: var(--success); font-weight: 600; margin-bottom: 3px; }
.l16-exp-note { color: var(--text-muted); font-size: 1rem; }

.l16-verdict-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 8px;
}

.l16-verdict-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-wrap: wrap;
}

.l16-opt-letter-sm {
  font-weight: 800;
  color: var(--gold);
  font-size: 1rem;
  min-width: 18px;
  flex-shrink: 0;
}

.l16-verdict-text {
  flex: 1;
  font-size: 1rem;
  color: var(--text);
  min-width: 160px;
}

.l16-verdict-btns {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

/* ── ✓ / ✗ Buttons ── */
.l16-verdict-btn {
  width: 40px;
  height: 36px;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  transition: border-color .18s, background .18s, color .18s;
}
.l16-verdict-btn:hover:not(:disabled) { border-color: var(--gold); color: var(--text); }
.l16-vbtn-sel     { border-color: var(--gold);    background: rgba(201,168,76,.15); color: var(--gold); }
.l16-vbtn-correct { border-color: var(--success) !important; background: rgba(72,199,116,.15) !important; color: var(--success) !important; }
.l16-vbtn-wrong   { border-color: var(--error)   !important; background: rgba(255,100,100,.12) !important; color: var(--error)   !important; }
.l16-verdict-btn:disabled { cursor: default; }

/* ── Explanation ── */
.l16-exp-card {
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
}
.l16-exp-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.l16-exp-letter  { font-weight: 800; color: var(--gold); font-size: 1rem; min-width: 18px; }
.l16-exp-verdict { font-weight: 700; font-size: 1rem; }
.l16-ev-correct  { color: var(--success); }
.l16-ev-wrong    { color: var(--error); }
.l16-exp-summary { font-size: .97rem; color: var(--text-muted); font-style: italic; }
.l16-exp-why     { font-size: .97rem; color: var(--text-muted); line-height: 1.6; margin: 0; }

/* ── Test Tip ── */
.l16-tip-alert {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: rgba(201,168,76,.08);
  border: 1px solid rgba(201,168,76,.3);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 20px;
}

.l16-tip-rules { display: flex; flex-direction: column; gap: 12px; }
.l16-tr-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.l16-tr-icon  { color: var(--success); font-size: 1.25rem; margin-top: 2px; flex-shrink: 0; }
.l16-tr-title { font-weight: 600; color: var(--text); margin-bottom: 4px; font-size: 1rem; }
.l16-tr-body  { font-size: .97rem; color: var(--text-muted); line-height: 1.6; margin: 0; }

/* ── Responsive ── */
@media (max-width: 480px) {
  .l16-verdict-row { flex-direction: column; align-items: flex-start; }
  .l16-verdict-btns { align-self: flex-end; }
}