.solution-box {
  margin-top: 20px;
  text-align: left;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 20px;
}

.solutions-heading {
  margin-top: 0;
  color: var(--primary);
}

.solution-item {
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 16px;
  margin-bottom: 16px;
}

.solution-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.solution-item h1,
.solution-item h2,
.solution-item h3 {
  color: var(--primary);
  margin-top: 10px;
  margin-bottom: 8px;
}

.solution-item h1 { font-size: 1.15rem; }
.solution-item h2 { font-size: 1.05rem; }
.solution-item h3 { font-size: 1rem; }

.solution-source-code {
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  padding: 10px 12px;
  background: #f8fafc;
  border-left: 3px solid #94a3b8;
  color: #475569;
  font: 0.82rem/1.5 monospace;
}

.solution-item p,
.solution-item li {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #334155;
}

.solution-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-top: 12px;
}

.flag-answer-btn {
  background: #475569;
  color: #fff;
  border: 0;
  border-radius: 4px;
  padding: 4px 9px;
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}

.flag-answer-btn:hover:not(:disabled) {
  background: #334155;
}

.flag-answer-btn:disabled {
  background: #cbd5e1;
  color: #475569;
  cursor: default;
}

.flag-answer-status {
  color: #b91c1c;
  font-size: 0.9rem;
}

.solution-item-notfound {
  background: #fef2f2;
  border-left: 4px solid #ef4444;
  padding: 16px;
  margin-bottom: 20px;
  border-radius: 0 8px 8px 0;
}

.solution-item-notfound p {
  color: #dc2626;
  font-weight: 600;
  margin: 0;
}

.solution-content img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1rem auto;
}