.solved-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.solved-hub-card {
  display: flex;
  min-height: 210px;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  border: 1px solid #dbe5ec;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(15, 41, 61, .07);
  color: #142c3c;
  text-decoration: none;
}

.solved-hub-card:hover,
.solved-hub-card:focus-visible {
  border-color: #1b8f71;
  transform: translateY(-2px);
}

.solved-hub-card span {
  align-self: flex-start;
  padding: 6px 10px;
  border-radius: 999px;
  background: #eaf7f3;
  color: #14725b;
  font-size: .82rem;
  font-weight: 800;
}

.solved-hub-card h2 {
  margin: 0;
  font-size: 1.16rem;
}

.solved-hub-card p {
  margin: 0;
  color: #526777;
  line-height: 1.85;
}

.solved-hub-card strong {
  margin-top: auto;
  color: #14725b;
}

.solved-question-list {
  display: grid;
  gap: 20px;
}

.solved-question {
  padding: 24px;
  border: 1px solid #dbe5ec;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(15, 41, 61, .06);
}

.solved-question h3 {
  margin: 14px 0 18px;
  color: #132f42;
  font-size: 1.08rem;
  line-height: 1.9;
}

.question-media {
  margin: 0 0 18px;
  padding: 12px;
  border: 1px solid #dbe5ec;
  border-radius: 14px;
  background: #f8fbfc;
  text-align: center;
}

.question-media img {
  display: block;
  width: min(100%, 800px);
  height: auto;
  margin: 0 auto;
}

.solved-question [dir="ltr"] {
  text-align: left;
}

.solved-question .sample-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.solved-question .sample-options li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid #e0e8ed;
  border-radius: 12px;
  background: #f9fbfc;
  line-height: 1.7;
}

.solved-question .sample-options[dir="ltr"] li {
  flex-direction: row;
}

.solved-question .sample-options b {
  display: grid;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  place-items: center;
  border-radius: 50%;
  background: #e9f2f6;
  color: #173e58;
}

.solved-question .sample-answer {
  padding: 16px;
  border-right: 4px solid #168f70;
  border-radius: 12px;
  background: #edf9f5;
  color: #173f35;
  line-height: 1.9;
}

.solved-question .sample-answer strong {
  display: block;
  margin-bottom: 4px;
}

.distractor-analysis {
  margin-top: 14px;
  border: 1px solid #e1e8ed;
  border-radius: 12px;
  background: #fff;
}

.distractor-analysis summary {
  cursor: pointer;
  padding: 14px 16px;
  color: #173e58;
  font-weight: 800;
}

.distractor-analysis ul {
  margin: 0;
  padding: 0 34px 18px 18px;
}

.distractor-analysis li {
  margin-top: 8px;
  color: #526777;
  line-height: 1.8;
}

.common-mistake {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-radius: 10px;
  background: #fff6df;
  color: #684f10;
  line-height: 1.8;
}

.solved-nav-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.solved-nav-strip a {
  padding: 10px 14px;
  border: 1px solid #dbe5ec;
  border-radius: 999px;
  background: #fff;
  color: #173e58;
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 900px) {
  .solved-hub-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .solved-hub-grid,
  .solved-question .sample-options { grid-template-columns: 1fr; }
  .solved-question { padding: 18px; }
}
