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button.active{background:var(--accent);color:#fff}.markdown-editor{width:100%;min-height:480px;font-family:SFMono-Regular,Consolas,monospace;font-size:.83rem;padding:14px;border:1px solid var(--border);border-radius:var(--radius-md);margin-top:14px;background:#fbfbfd}.markdown-editor:focus{outline:none;border-color:var(--accent);background:#fff}.markdown-preview{border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;margin-top:14px;max-height:560px;overflow-y:auto;font-size:.9rem;line-height:1.6}.markdown-preview table{border-collapse:collapse;width:100%}.markdown-preview th,.markdown-preview td{border:1px solid var(--border);padding:6px 10px}.editor-actions{display:flex;align-items:center;gap:12px;margin-top:16px;flex-wrap:wrap}.button-link{background:#fff;border:1px solid var(--accent);color:var(--accent);padding:10px 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