/* Aurora Admin SignaturePad 样式 — 手写签名 */
.aa-sign { font-family: var(--font-family, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif); }
.aa-sign-pad { position: relative; border: 1px solid var(--au-color-border); border-radius: 8px; background: var(--au-color-card-bg); overflow: hidden; touch-action: none; }
.aa-sign-canvas { display: block; width: 100%; height: 180px; cursor: crosshair; }
.aa-sign-placeholder { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--au-color-text-placeholder); font-size: 14px; pointer-events: none; }
.aa-sign-actions { display: flex; gap: 10px; margin-top: 10px; align-items: center; }
.aa-sign-preview { margin-left: auto; font-size: 12px; color: var(--au-color-text-secondary); }