/* =========================================================
   editor.css — Editor / Viewer overlay styles
   ========================================================= */

/* ── Header bar ────────────────────────────────────────── */

.editor-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  background: var(--nc-toolbar-bg);
  border-bottom: var(--nc-border-width) solid var(--nc-border);
  height: var(--nc-header-height);
  user-select: none;
  flex-shrink: 0;
}

.editor-filename {
  color: var(--nc-highlight);
  font-weight: bold;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.editor-info {
  color: var(--nc-text);
  font-size: 12px;
  white-space: nowrap;
  flex-shrink: 0;
}

.editor-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.btn-editor {
  padding: 2px 10px;
  border: var(--nc-border-width) solid var(--nc-border);
  color: var(--nc-text-bright);
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  border-radius: var(--nc-radius);
  transition: background var(--nc-transition), color var(--nc-transition);
}

.btn-editor:hover {
  background: var(--nc-border);
  color: var(--nc-select-text);
}

.btn-editor:active {
  background: var(--nc-highlight);
  color: #000;
}

/* ── Content area ──────────────────────────────────────── */

.editor-content {
  flex: 1;
  overflow: auto;
  min-height: 0;
  position: relative;
  display: flex;
}

/* ── Viewer (read-only, F3) ────────────────────────────── */

pre.viewer {
  white-space: pre-wrap;
  word-wrap: break-word;
  padding: 8px 12px;
  color: var(--nc-text-bright);
  font-family: var(--nc-font);
  font-size: var(--nc-font-size);
  line-height: var(--nc-line-height);
  user-select: text;
  width: 100%;
  min-height: 100%;
  margin: 0;
  background: transparent;
  tab-size: 4;
  -moz-tab-size: 4;
}

/* ── Editor (editable, F4) ─────────────────────────────── */

textarea.editor-textarea {
  width: 100%;
  height: 100%;
  background: transparent;
  color: var(--nc-text-bright);
  border: none;
  outline: none;
  resize: none;
  padding: 8px 12px;
  font-family: var(--nc-font);
  font-size: var(--nc-font-size);
  line-height: var(--nc-line-height);
  tab-size: 4;
  -moz-tab-size: 4;
  white-space: pre;
  overflow: auto;
}

textarea.editor-textarea::placeholder {
  color: var(--nc-text);
}

/* ── Line numbers gutter (optional enhancement) ────────── */

.editor-with-gutter {
  display: flex;
  flex: 1;
  min-height: 0;
}

.line-numbers {
  padding: 8px 8px 8px 4px;
  text-align: right;
  color: var(--nc-text);
  font-family: var(--nc-font);
  font-size: var(--nc-font-size);
  line-height: var(--nc-line-height);
  user-select: none;
  border-right: var(--nc-border-width) solid var(--nc-border);
  background: rgba(0, 0, 0, 0.2);
  min-width: 40px;
  flex-shrink: 0;
  overflow: hidden;
}

.line-numbers span {
  display: block;
}

/* ── Editor toolbar (save bar) ─────────────────────────── */

.editor-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 4px 8px;
  background: var(--nc-toolbar-bg);
  border-top: var(--nc-border-width) solid var(--nc-border);
  flex-shrink: 0;
}

.editor-toolbar .editor-status {
  flex: 1;
  color: var(--nc-text);
  font-size: 12px;
}

/* ── Image / binary preview ────────────────────────────── */

.viewer-image {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 16px;
}

.viewer-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  image-rendering: auto;
}

.viewer-binary {
  padding: 16px;
  color: var(--nc-text);
  text-align: center;
  font-size: 14px;
}

/* ── Modified indicator ────────────────────────────────── */

.editor-filename.modified::after {
  content: " [modified]";
  color: var(--nc-error);
  font-weight: normal;
  font-size: 11px;
}