:root{--nikan-contact-color:#2563eb;--nikan-contact-shadow:0 14px 30px rgba(0,0,0,.22)}

.nikan-contact-fab{
  position:fixed;
  bottom:22px;
  z-index:99999;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:10px;
}
.nikan-contact-fab.is-right{right:16px}
.nikan-contact-fab.is-left{left:16px;align-items:flex-start}

.nikan-contact-toggle{
  width:56px;
  height:56px;
  border-radius:999px;
  border:0;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--nikan-contact-color);
  color:#fff;
  box-shadow:var(--nikan-contact-shadow);
  transition:transform .15s ease, filter .15s ease;
}
.nikan-contact-toggle:active{transform:scale(.96)}
.nikan-contact-fab.is-open .nikan-contact-toggle{filter:brightness(.95)}

.nikan-contact-toggle-icon{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px}
.nikan-contact-toggle-icon svg{width:24px;height:24px;display:block;fill:currentColor}

.nikan-contact-list{
  min-width:240px;
  max-width:340px;
  background:#fff;
  border-radius:18px;
  box-shadow:var(--nikan-contact-shadow);
  overflow:hidden;
  transform-origin:bottom right;
}
.nikan-contact-fab.is-left .nikan-contact-list{transform-origin:bottom left}

.nikan-contact-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:10px 12px;
  border-bottom:1px solid rgba(0,0,0,.06);
  font-weight:800;
  color:#111827;
  font-size:13px;
}
.nikan-contact-close{
  width:34px;
  height:34px;
  border-radius:999px;
  border:0;
  background:rgba(0,0,0,.06);
  cursor:pointer;
  font-size:20px;
  line-height:34px;
  text-align:center;
  color:#111827;
}

.nikan-contact-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 12px;
  text-decoration:none;
  border-bottom:1px solid rgba(0,0,0,.05);
}
.nikan-contact-item:last-child{border-bottom:0}
.nikan-contact-item-text{font-size:13px;font-weight:800;color:#111827}
.nikan-contact-item-ico{width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;color:var(--nikan-contact-color)}
.nikan-contact-item-ico svg{width:22px;height:22px;display:block;fill:currentColor}

/* انیمیشن باز/بسته */
.nikan-contact-list[hidden]{display:none !important}
.nikan-contact-fab.is-open .nikan-contact-list{animation:nikanContactPop .14s ease-out}
@keyframes nikanContactPop{from{transform:translateY(8px) scale(.98);opacity:.0}to{transform:translateY(0) scale(1);opacity:1}}

/* موبایل */
@media (max-width: 640px){
  .nikan-contact-fab{bottom:16px}
  .nikan-contact-list{min-width:220px}
}