/* ============================================
   LESSON 17b — Directions & Maps
   ============================================ */

/* ── Options grid ── */
.l17b-opts-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.l17b-opt {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 10px;
  background: var(--bg-card);
  cursor: pointer;
  transition: border-color .2s, background .2s;
  flex: 1 1 320px;
  max-width: 420px;
}
.l17b-opt:hover:not(:disabled) { border-color: var(--gold); }
.l17b-opt-sel     { border-color: var(--gold); background: rgba(212,175,55,.08); }
.l17b-opt-correct { border-color: var(--success); background: rgba(72,199,116,.1); }
.l17b-opt-wrong   { border-color: var(--error);   background: rgba(255,100,100,.08); }

.l17b-opt-letter {
  font-size: 1rem;
  font-weight: 800;
  color: var(--gold);
}

.l17b-map-img {
  width: 100%;
  max-width: 380px;
  height: 280px;
  object-fit: contain;
  border-radius: 6px;
}

/* ── Explanation ── */
.l17b-exp-label {
  font-size: .8rem;
  font-weight: 700;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 10px;
}

.l17b-exp-route {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.l17b-exp-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 1rem;
  line-height: 1.5;
}

.l17b-step-icon {
  color: var(--gold);
  font-weight: 700;
  flex-shrink: 0;
}

/* ── Shake animation ── */
@keyframes l17b-shake {
  0%,100%{ transform:translateX(0); }
  20%    { transform:translateX(-5px); }
  40%    { transform:translateX(5px); }
  60%    { transform:translateX(-4px); }
  80%    { transform:translateX(4px); }
}
.l17b-shake { animation: l17b-shake .45s ease; }

/* ── Tip ── */
.l17b-tip-alert {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 20px;
}

.l17b-tip-rules { display: flex; flex-direction: column; gap: 14px; }

.l17b-tr-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.l17b-tr-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(212,175,55,.15);
  color: var(--gold);
  font-size: .97rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.l17b-tr-title { font-weight: 700; font-size: 1rem; margin-bottom: 3px; }
.l17b-tr-body  { font-size: .97rem; color: var(--text-muted); line-height: 1.6; margin: 0; }

@media (max-width: 500px) {
  .l17b-opts-row { flex-direction: column; }
  .l17b-opt { max-width: 100%; }
}