Inline Density Accordion

A compact accordion optimized for dense layouts, revealing content inline without shifting surrounding UI.

HTML

<div class="accordion-inline">
  <button class="accordion-inline__trigger">Details</button>
  <div class="accordion-inline__panel">
    <p>Additional info shown inline.</p>
  </div>
</div>

CSS

.accordion-inline {
  width: 200px;
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 12px 24px rgba(0,0,0,0.12);
  overflow: hidden;
}

.accordion-inline__trigger {
  width: 100%;
  padding: 0.6rem;
  border: none;
  background: transparent;
  font-size: 12px;
  font-weight: 600;
  color: #111827;
  cursor: pointer;
}

.accordion-inline__panel {
  max-height: 0;
  overflow: hidden;
  padding: 0 0.6rem;
  font-size: 11px;
  color: #6b7280;
  transition: max-height 200ms ease, padding 200ms ease;
}

.accordion-inline:hover .accordion-inline__panel {
  max-height: 60px;
  padding: 0.4rem 0.6rem;
}

@media (prefers-color-scheme: dark) {
  .accordion-inline {
    background: #020617;
  }

  .accordion-inline__trigger {
    color: #e5e7eb;
  }

  .accordion-inline__panel {
    color: #9ca3af;
  }
}

Notes

  • Inline expansion pattern
  • No icons or chevrons
  • Suitable for compact info blocks

Preview styles shown. Production customization recommended.

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