/*
 * chrome.css - the web part's own UI (toolbar, theme switcher, editor, version
 * panel). Themed from the same variables as the content so the frame never
 * fights the markdown it wraps.
 */

.strata-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 6px 0 10px;
  border-bottom: 1px solid var(--strata-border);
  margin-bottom: 12px;
  font-size: 0.8125em;
  color: var(--strata-text-muted);
}

.strata-toolbar-spacer {
  flex: 1 1 auto;
}

.strata-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--strata-border);
  border-radius: var(--strata-radius-sm);
  background-color: var(--strata-bg-elevated);
  color: var(--strata-text);
  font-family: inherit;
  font-size: inherit;
  line-height: 1.4;
  cursor: pointer;
  transition: background-color 0.12s ease, border-color 0.12s ease;
}

.strata-btn:hover {
  background-color: var(--strata-bg-hover);
  border-color: var(--strata-border-strong);
}

.strata-btn[aria-pressed='true'],
.strata-btn.is-active {
  border-color: var(--strata-link);
  color: var(--strata-link);
}

.strata-btn[disabled] {
  opacity: 0.5;
  cursor: default;
}

.strata-btn-primary {
  border-color: var(--strata-link);
  background-color: var(--strata-link);
  color: var(--strata-on-accent);
}

.strata-btn-primary:hover {
  background-color: var(--strata-link-hover);
  border-color: var(--strata-link-hover);
}

.strata-select {
  padding: 4px 6px;
  border: 1px solid var(--strata-border);
  border-radius: var(--strata-radius-sm);
  background-color: var(--strata-bg-elevated);
  color: var(--strata-text);
  font-family: inherit;
  font-size: inherit;
}

.strata-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
}

.strata-switcher label {
  color: var(--strata-text-faint);
}

.strata-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin-top: 16px;
  padding-top: 10px;
  border-top: 1px solid var(--strata-border);
  color: var(--strata-text-faint);
  font-size: 0.8125em;
}

.strata-status {
  padding: 4px 8px;
  border-radius: var(--strata-radius-sm);
  background-color: var(--strata-bg-elevated);
  color: var(--strata-text-muted);
}

.strata-status[data-tone='error'] {
  background-color: rgba(var(--strata-color-red), 0.12);
  color: rgb(var(--strata-color-red));
}

.strata-status[data-tone='success'] {
  background-color: rgba(var(--strata-color-green), 0.12);
  color: rgb(var(--strata-color-green));
}

/* ------------------------------------------------------------------ editor */

.strata-editor {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  align-items: start;
}

.strata-editor[data-layout='split'] {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.strata-editor-pane,
.strata-preview-pane {
  min-width: 0;
}

.strata-editor[data-layout='preview'] .strata-editor-pane,
.strata-editor[data-layout='edit'] .strata-preview-pane {
  display: none;
}

.strata-editor-input {
  display: block;
  width: 100%;
  min-height: 420px;
  padding: 12px 14px;
  border: 1px solid var(--strata-border);
  border-radius: var(--strata-radius-md);
  background-color: var(--strata-code-bg);
  color: var(--strata-code-text);
  font-family: var(--strata-font-mono);
  font-size: var(--strata-code-font-size);
  line-height: var(--strata-code-line-height);
  resize: vertical;
  tab-size: 2;
}

.strata-editor-input:focus {
  outline: 2px solid var(--strata-link);
  outline-offset: -1px;
}

.strata-preview-pane {
  padding: 12px 14px;
  border: 1px solid var(--strata-border);
  border-radius: var(--strata-radius-md);
  max-height: 70vh;
  overflow-y: auto;
}

.strata-pane-label {
  margin-bottom: 6px;
  font-size: 0.75em;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--strata-text-faint);
}

/* A web part in a narrow column must drop the split view, or the editor and
   the Save button end up squeezed out of reach. Keyed on the web part's own
   width, with a viewport media query as the fallback. */
@container mdf (max-width: 720px) {
  .strata-editor[data-layout='split'] {
    grid-template-columns: 1fr;
  }

  .strata-editor[data-layout='split'] .strata-preview-pane {
    max-height: 40vh;
  }
}

@supports not (container-type: inline-size) {
  @media (max-width: 900px) {
    .strata-editor[data-layout='split'] {
      grid-template-columns: 1fr;
    }
  }
}

/* The toolbar wraps rather than clipping, so Save stays reachable however
   narrow the column is. */
.strata-toolbar > .strata-btn-primary {
  margin-left: auto;
}

/* ------------------------------------------------------------ version panel */

.strata-panel {
  margin-bottom: 12px;
  border: 1px solid var(--strata-border);
  border-radius: var(--strata-radius-md);
  background-color: var(--strata-bg-elevated);
  overflow: hidden;
}

.strata-panel-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--strata-border);
  font-weight: 600;
}

.strata-panel-body {
  max-height: 320px;
  overflow-y: auto;
  padding: 4px 0;
}

.strata-version {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--strata-border);
  font-size: 0.875em;
}

.strata-version:last-child {
  border-bottom: 0;
}

.strata-version-label {
  min-width: 3.5em;
  font-family: var(--strata-font-mono);
  color: var(--strata-text-muted);
}

.strata-version-meta {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--strata-text-muted);
}

.strata-version-current {
  padding: 1px 6px;
  border-radius: 999px;
  background-color: rgba(var(--strata-color-green), 0.15);
  color: rgb(var(--strata-color-green));
  font-size: 0.85em;
}