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var(--color-well-border);border-radius:var(--radius-md);background:var(--color-well-bg);touch-action:none;display:block}.signature-clear-btn{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--color-text-muted);background:none;border:none;padding:0;cursor:pointer;transition:color .12s ease}.signature-clear-btn:hover:not(:disabled){color:var(--color-text)}.signature-clear-btn:disabled{cursor:not-allowed;opacity:.5}.wf-block-border{border:1px solid var(--frame-border);border-radius:var(--radius-md);padding:16px 18px}.wf-block-shadow{border:1px solid var(--frame-border);border-radius:var(--radius-md);padding:16px 18px;box-shadow:var(--shadow-md);background:var(--color-bg)}