/* ============ Signature Pad ============ */
.sig-wrap{border:2px dashed var(--line);border-radius:var(--rad);padding:14px;background:var(--card);transition:border-color .2s}
.sig-wrap:hover{border-color:var(--teal)}
.sig-wrap .sig-lbl{display:block;font-weight:700;color:var(--ink2);font-size:13px;margin-bottom:8px;text-align:center}
.sig-canvas{width:100%;height:120px;border:1px solid var(--line);border-radius:8px;cursor:crosshair;background:#fff;display:block;touch-action:none}
[data-theme="dark"] .sig-canvas{background:#1a2c2e}
.sig-actions{display:flex;justify-content:center;margin-top:8px}
.sig-clear{background:none;border:1px solid var(--red);color:var(--red);border-radius:8px;padding:5px 16px;font-size:12px;cursor:pointer;transition:.2s}
.sig-clear:hover{background:var(--red);color:#fff}


/* ============ دکمهٔ پیام‌رسان در هدر ============ */
.msg-trigger{position:relative;background:none;border:none;color:var(--teal);cursor:pointer;padding:6px;border-radius:10px;transition:.2s;display:flex;align-items:center;justify-content:center}
.msg-trigger:hover{background:rgba(14,143,134,.1)}
.msg-badge{position:absolute;top:-2px;inset-inline-end:-4px;min-width:18px;height:18px;padding:0 5px;border-radius:99px;background:var(--saf);color:#241a04;font-size:10px;font-weight:800;display:none;place-items:center;line-height:18px;text-align:center;font-family:'Vazirmatn'}
.msg-badge.on{display:block;animation:rowin .3s}