/* --- side-column layout -----------------------------------------------------
   The board lives in the drawio side column (a trailing grid item beside the
   conversation). No conversation hiding is involved: the chat stays visible
   and the column width is controlled by the col controller. */
/* --- board layout ------------------------------------------------------------ */

.board {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  background: var(--dsh-color-bg, #ffffff);
  color: var(--dsh-color-text, #1d2129);
  font-size: 13px;
}

.empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--dsh-color-text-2, #86909c);
  padding: 24px;
  text-align: center;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--dsh-color-border, #e5e6eb);
  flex-wrap: wrap;
}

.title {
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
}

.root {
  color: var(--dsh-color-text-2, #86909c);
  font-size: 11px;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.spacer {
  flex: 1;
}

.btn {
  border: 1px solid var(--dsh-color-border, #e5e6eb);
  background: var(--dsh-color-fill, #f7f8fa);
  color: inherit;
  border-radius: 4px;
  padding: 3px 10px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover:not(:disabled) {
  border-color: var(--dsh-color-primary, #4080ff);
  color: var(--dsh-color-primary, #4080ff);
}
.btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.btnPrimary {
  border: 1px solid var(--dsh-color-primary, #4080ff);
  background: var(--dsh-color-primary, #4080ff);
  color: #ffffff;
  border-radius: 4px;
  padding: 3px 12px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}
.btnPrimary:disabled {
  opacity: 0.6;
  cursor: default;
}

.nameInput {
  border: 1px solid var(--dsh-color-border, #e5e6eb);
  background: transparent;
  color: inherit;
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 12px;
  width: 170px;
  outline: none;
}
.nameInput:focus {
  border-color: var(--dsh-color-primary, #4080ff);
}

.main {
  display: flex;
  flex: 1;
  min-height: 0;
}

.filePane {
  width: 150px;
  min-width: 120px;
  border-right: 1px solid var(--dsh-color-border, #e5e6eb);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.fileHeader {
  padding: 6px 12px;
  font-size: 12px;
  color: var(--dsh-color-text-2, #86909c);
  border-bottom: 1px solid var(--dsh-color-border, #e5e6eb);
}

.fileList {
  flex: 1;
  overflow: auto;
  padding: 4px;
  min-height: 0;
}

.file {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  color: inherit;
  padding: 5px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}
.file:hover {
  background: var(--dsh-color-fill, #f7f8fa);
}
.fileActive {
  background: color-mix(in srgb, var(--dsh-color-primary, #4080ff) 14%, transparent);
}

.fileIcon {
  display: inline-flex;
  color: var(--dsh-color-primary, #4080ff);
  flex: none;
}

.fileName {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.editPane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

.editorHeader,
.previewHeader {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 12px;
  font-size: 12px;
  color: var(--dsh-color-text-2, #86909c);
  border-bottom: 1px solid var(--dsh-color-border, #e5e6eb);
  background: var(--dsh-color-fill, #f7f8fa);
  flex: none;
}

.editor {
  flex: 0 0 160px;
  min-height: 80px;
  border: none;
  outline: none;
  resize: none;
  padding: 10px 12px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 12px;
  line-height: 1.5;
  background: transparent;
  color: inherit;
  box-sizing: border-box;
  width: 100%;
}

.preview {
  flex: 1;
  min-height: 0;
  position: relative;
  background: var(--dsh-color-bg, #ffffff);
}

.previewFrame {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.hint {
  padding: 24px;
  color: var(--dsh-color-text-3, #c9cdd4);
  text-align: center;
  font-size: 12px;
}

.error {
  padding: 10px 12px;
  color: #d4380d;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-all;
  font-family: 'SFMono-Regular', Consolas, monospace;
}

.errorInline {
  color: #d4380d;
}

.errorBar {
  padding: 4px 12px;
  color: #d4380d;
  font-size: 12px;
  border-top: 1px solid rgba(212, 56, 13, 0.3);
  background: rgba(212, 56, 13, 0.06);
}

.okBar {
  padding: 4px 12px;
  color: #389e0d;
  font-size: 12px;
  border-top: 1px solid rgba(56, 158, 13, 0.3);
  background: rgba(56, 158, 13, 0.06);
}

.stats {
  margin-left: auto;
}

/* Sidebar entry row (injected DOM button). */
.entry {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  border: none;
  background: transparent;
  color: inherit;
  padding: 7px 12px;
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  border-radius: 4px;
}
.entry:hover {
  background: var(--dsh-color-fill, #f2f3f5);
}
.entry[data-active='true'] {
  background: color-mix(in srgb, var(--dsh-color-primary, #4080ff) 14%, transparent);
}
.entryIcon {
  display: inline-flex;
  color: var(--dsh-color-primary, #4080ff);
}

/* --- official drawio editor mode -------------------------------------------- */
.editorFrame {
  flex: 1;
  min-height: 0;
  width: 100%;
  border: none;
  display: block;
  background: #ffffff;
}

.btnActive {
  border: 1px solid var(--dsh-color-primary, #4080ff);
  background: color-mix(in srgb, var(--dsh-color-primary, #4080ff) 14%, transparent);
  color: var(--dsh-color-primary, #4080ff);
  border-radius: 4px;
  padding: 3px 10px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}

.btnDisabled {
  border: 1px solid var(--dsh-color-border, #e5e6eb);
  background: var(--dsh-color-fill, #f7f8fa);
  color: var(--dsh-color-text-3, #c9cdd4);
  border-radius: 4px;
  padding: 3px 10px;
  font-size: 12px;
  white-space: nowrap;
}

.okInline {
  color: #389e0d;
  font-size: 12px;
  margin-left: auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- inline SVG preview (no iframe: survives editor-mode DOM rebuild) ---------- */
.previewSvg {
  position: absolute;
  inset: 0;
  overflow: auto;
  padding: 12px;
  box-sizing: border-box;
  /* drawio diagrams are white canvas: never let the dark theme show through */
  background: #ffffff;
}
.previewSvg :global(svg) {
  width: 100%;
  height: 100%;
  min-width: 640px;
  min-height: 420px;
}