.topic-mosaic-header {
  padding: 56px 24px 0;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.topic-mosaic-header h1 {
  font-variant: small-caps;
  font-size: 2.2rem;
  letter-spacing: 0.05em;
  margin-bottom: 32px;
}

.topic-mosaic-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.topic-mosaic-main {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.topic-mosaic-main img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  display: block;
}

.topic-mosaic-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.topic-mosaic-card {
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  flex: 1;
}

.topic-mosaic-card strong {
  display: block;
  color: var(--accent);
  font-variant: small-caps;
  margin-bottom: 6px;
}

.topic-mosaic-card span {
  color: var(--muted);
  font-size: 0.9rem;
}

.topic-prose {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px 64px;
  position: relative;
  z-index: 1;
}

.topic-prose h2 {
  font-variant: small-caps;
  font-size: 1.35rem;
  margin: 36px 0 16px;
  color: var(--text);
}

.topic-prose p {
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.75;
}

.topic-prose ul {
  color: var(--muted);
  margin: 16px 0 16px 24px;
}

.topic-method-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.9rem;
}

.topic-method-table th,
.topic-method-table td {
  padding: 12px 16px;
  border: 1px solid var(--border);
  text-align: left;
  color: var(--muted);
}

.topic-method-table th {
  background: var(--surface);
  color: var(--text);
  font-variant: small-caps;
}

@media (max-width: 768px) {
  .topic-mosaic-grid {
    grid-template-columns: 1fr;
  }

  .topic-mosaic-main {
    max-width: 100%;
    overflow: hidden;
  }

  .topic-mosaic-main img {
    max-width: 100%;
    max-height: 220px;
    object-fit: cover;
  }

  .topic-method-table {
    display: block;
    overflow-x: auto;
    max-width: 100%;
  }
}