/* Markdown viewer and editor (`ui.markdown.viewer`, `ui.markdown.editor`;
   packages/ui-core/views/core-ui/markdown-*.ejs, behaviour in public/js/ui-markdown-editor.js). */

.ui-markdown {
  min-width: 0;
  color: var(--color-ink);
  line-height: 1.6;
  overflow-wrap: anywhere;
}

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

.ui-markdown > :last-child {
  margin-bottom: 0;
}

.ui-markdown :is(h1, h2, h3, h4, h5, h6) {
  margin: 1.4rem 0 0.5rem;
  color: var(--color-ink);
  font-weight: 500;
  line-height: 1.3;
}

.ui-markdown h1 {
  font-size: 1.5rem;
}

.ui-markdown h2 {
  font-size: 1.3rem;
}

.ui-markdown h3 {
  font-size: 1.125rem;
}

.ui-markdown h4 {
  font-size: 1rem;
}

.ui-markdown :is(h5, h6) {
  font-size: 0.925rem;
}

.ui-markdown :is(p, ul, ol, blockquote, pre, .ui-markdown__table) {
  margin: 0 0 0.85rem;
}

.ui-markdown :is(ul, ol) {
  padding-left: 1.5rem;
}

.ui-markdown li > :is(ul, ol) {
  margin: 0.2rem 0 0;
}

.ui-markdown li + li {
  margin-top: 0.2rem;
}

.ui-markdown a {
  color: var(--color-brand-text);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.ui-markdown a:hover {
  color: var(--color-brand-text);
}

.ui-markdown a:focus-visible {
  outline: 0;
  border-radius: var(--radius-sm);
  box-shadow: var(--focus-ring);
}

.ui-markdown code {
  padding: 0.1em 0.35em;
  font-family: var(--bs-font-mono, ui-monospace, monospace);
  font-size: 0.875em;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
}

.ui-markdown pre {
  padding: 0.85rem 1rem;
  overflow: auto;
  background: var(--color-surface-soft);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
}

.ui-markdown pre code {
  padding: 0;
  font-size: 0.85rem;
  white-space: pre;
  background: none;
  border: 0;
}

.ui-markdown blockquote {
  padding: 0.15rem 0 0.15rem 1rem;
  color: var(--color-ink-soft);
  border-left: 3px solid var(--color-brand);
}

.ui-markdown hr {
  margin: 1.25rem 0;
  border: 0;
  border-top: 1px solid var(--color-line);
  opacity: 1;
}

.ui-markdown__table {
  overflow-x: auto;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
}

.ui-markdown table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.ui-markdown :is(th, td) {
  padding: 0.55rem 0.75rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-line);
}

.ui-markdown th {
  color: var(--color-muted);
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-surface-soft);
}

.ui-markdown tbody tr:last-child td {
  border-bottom: 0;
}

.ui-markdown .ui-markdown__align-left {
  text-align: left;
}

.ui-markdown .ui-markdown__align-center {
  text-align: center;
}

.ui-markdown .ui-markdown__align-right {
  text-align: right;
}

.ui-markdown__empty {
  color: var(--color-muted);
  font-style: italic;
}

/* Editor */

.ui-markdown-editor {
  display: grid;
  gap: 0.75rem;
  min-width: 0;
}

.ui-markdown-editor [hidden] {
  display: none !important;
}

.ui-markdown-editor__view {
  display: grid;
  gap: 0.5rem;
}

.ui-markdown-editor__view-head {
  display: flex;
  justify-content: flex-end;
}

.ui-markdown-editor__form {
  display: grid;
  gap: 0.6rem;
  min-width: 0;
}

.ui-markdown-editor__head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
}

.ui-markdown-editor__head .form-label {
  margin: 0;
}

.ui-markdown-editor__modes {
  display: inline-flex;
  padding: 2px;
  background: var(--color-surface-soft);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
}

.ui-markdown-editor__mode {
  padding: 0.3rem 0.8rem;
  color: var(--color-ink-soft);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
}

.ui-markdown-editor__mode[aria-pressed="true"] {
  color: var(--color-brand-text);
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
}

.ui-markdown-editor__toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
  padding: 0.3rem;
  background: var(--color-surface-soft);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
}

.ui-markdown-editor__tool {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  color: var(--color-ink);
  cursor: pointer;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
}

.ui-markdown-editor__tool svg {
  width: 1.05rem;
  height: 1.05rem;
}

.ui-markdown-editor__tool:hover {
  background: var(--color-surface);
  border-color: var(--surface-border);
}

.ui-markdown-editor__mode:focus-visible,
.ui-markdown-editor__tool:focus-visible {
  outline: 0;
  box-shadow: var(--focus-ring);
}

.ui-markdown-editor__separator {
  align-self: stretch;
  width: 1px;
  margin: 0.25rem 0.2rem;
  background: var(--color-line);
}

.ui-markdown-editor__visual.form-control,
.ui-markdown-editor__source.form-control,
.ui-markdown-editor__preview {
  height: auto;
  min-height: 12rem;
  max-height: 32rem;
  overflow: auto;
}

/* Bootstrap 6 lays out `.form-control` as flex row; the editable area holds block content. */
.ui-markdown-editor__visual.form-control {
  display: block;
  padding: 0.75rem 0.9rem;
  cursor: text;
}

.ui-markdown-editor__visual:focus {
  border-color: var(--color-brand);
  outline: 0;
  box-shadow: var(--focus-ring);
}

.ui-markdown-editor__source.form-control {
  font-family: var(--bs-font-mono, ui-monospace, monospace);
  font-size: 0.85rem;
  line-height: 1.5;
  resize: vertical;
}

.ui-markdown-editor__preview {
  padding: 0.75rem 0.9rem;
  background: var(--color-surface-soft);
  border: 1px dashed var(--color-line-strong);
  border-radius: var(--radius-sm);
}

.ui-markdown-editor__preview:focus-visible {
  outline: 0;
  box-shadow: var(--focus-ring);
}

.ui-markdown-editor__link {
  display: grid;
  gap: 0.4rem;
  padding: 0.75rem;
  background: var(--color-surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
}

.ui-markdown-editor__link .form-label {
  margin: 0;
}

.ui-markdown-editor__link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ui-markdown-editor__link-row .form-control {
  flex: 1 1 16rem;
  width: auto;
}

.ui-markdown-editor__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}