.editor-container { position:relative; border:1px solid var(--line); border-radius:10px; overflow:hidden; margin-bottom:20px; }
#editor { width:100%; min-height:55vh; padding:16px; font:13px/1.65 ui-monospace,Consolas,monospace; white-space:pre; overflow:auto; resize:vertical; tab-size:4; border:0; border-radius:0; background:var(--bg); }
.editor-container:has(.line-numbers) #editor { padding-left:64px; }
.line-numbers { position:absolute; left:0; top:0; width:48px; text-align:right; padding:16px 10px 16px 0; border-right:1px solid var(--line); color:var(--muted); user-select:none; font:13px/1.65 ui-monospace,Consolas,monospace; overflow:hidden; z-index:1; background:var(--surface-alt); }
.readonly-notice { color:var(--muted); font-size:12px; }
.editor-page .d-flex { flex-wrap:wrap; gap:8px; }