.drop-zone {
  padding: 1.5rem;
  border: 1px dashed var(--border);
  background: var(--code-bg);
  text-align: center;
}

.drop-zone.is-dragging {
  border-color: var(--accent);
  background: var(--selection-bg);
}

.drop-zone > p:first-child {
  margin-top: 0;
  color: var(--text-bright);
}

.file-picker,
.viewer-toolbar select {
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--accent-dim);
  background: var(--bg);
  color: var(--accent);
  font: inherit;
  cursor: pointer;
}

.file-picker {
  display: inline-block;
  position: relative;
}

.file-picker input {
  position: absolute;
  inset: 0;
  width: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-picker:focus-within,
.viewer-toolbar :focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

#file-help,
.viewer-note,
#viewer-status {
  font-size: 0.85rem;
  color: var(--prompt);
}

.viewer-toolbar:not([hidden]) {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  padding-right: 4rem;
  font-size: 0.85rem;
}

.viewer-toolbar label:not([hidden]) {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  flex: 1;
}

.viewer-toolbar select {
  min-width: 0;
  max-width: 20rem;
  flex: 1;
  padding: 0.2rem 0.4rem;
}

#clear-files {
  padding: 0;
  border: 0;
  background: none;
  color: var(--prompt);
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  cursor: pointer;
}

#clear-files:hover {
  color: var(--link-hover);
}

.markdown-preview h2::before,
.markdown-preview h3::before,
.markdown-preview h1 code::before,
.markdown-preview h1 code::after,
.markdown-preview h2 a::before,
.markdown-preview h2 a::after,
.markdown-preview blockquote::before,
.markdown-preview blockquote::after {
  content: none;
}

.markdown-preview {
  overflow-wrap: anywhere;
}

.markdown-preview h1 {
  font-size: 1.8rem;
  margin-top: 1.5em;
}

.markdown-preview h2 {
  font-size: 1.4rem;
}

.markdown-preview h3 {
  font-size: 1.2rem;
}

.markdown-preview > :first-child {
  margin-top: 0;
}

.markdown-preview blockquote p {
  display: block;
  margin: 0.5em 0;
}

.markdown-preview pre {
  overflow-wrap: normal;
}

.table-scroll {
  overflow-x: auto;
}

.markdown-preview table {
  border-collapse: collapse;
  margin: 1rem 0;
}

.markdown-preview th,
.markdown-preview td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.8rem;
}

.markdown-preview th {
  background: var(--code-bg);
}

.markdown-preview input[type="checkbox"] {
  accent-color: var(--accent);
}

.image-placeholder,
.markdown-preview a:not([href]) {
  color: var(--prompt);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}