.nstv-help-fab-wrap{
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 9999;
}

.nstv-help-fab{
  width: 58px;
  height: 58px;
  border: none;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 14px 40px rgba(0,0,0,.22);
  transition: transform .18s ease, background .18s ease;
}
.nstv-help-fab:hover{ transform: translateY(-2px); background: var(--secondary); }
.nstv-help-fab i{ font-size: 1.35rem; }

.nstv-help-fab-bubble{
  position: absolute;
  right: 72px;
  bottom: 10px;
  max-width: 240px;
  background: #fff;
  color: var(--text);
  border: 1px solid rgba(0,0,0,.10);
  border-radius: 14px;
  padding: 10px 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,.12);
  font-size: .92rem;
  line-height: 1.25;
  opacity: 1;
  transform: translateY(0);
  transition: opacity .18s ease, transform .18s ease;
  pointer-events: none;
}
.nstv-help-fab-bubble::after{
  content:"";
  position:absolute;
  right:-8px;
  bottom: 16px;
  width: 14px;
  height: 14px;
  background:#fff;
  border-right:1px solid rgba(0,0,0,.10);
  border-bottom:1px solid rgba(0,0,0,.10);
  transform: rotate(-45deg);
}
.nstv-help-fab-bubble.is-hidden{
  opacity: 0;
  transform: translateY(6px);
}

.nstv-help-overlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
  z-index: 9997;
}

.nstv-help{
  position: fixed;
  right: 20px;
  bottom: 90px;
  width: min(380px, calc(100vw - 40px));
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 18px 60px rgba(0,0,0,.28);
  transform: translateY(10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  z-index: 9998;
}

.nstv-help.is-open{
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.nstv-help-overlay.is-open{
  opacity: 1;
  pointer-events: auto;
}

.nstv-help__header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 14px;
  background: var(--bg-light);
  border-bottom: 1px solid rgba(0,0,0,.06);
}

.nstv-help__brand{
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.nstv-help__bot{
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.nstv-help__title{
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
}
.nstv-help__subtitle{
  font-size: .88rem;
  color: var(--muted);
  margin-top: 2px;
  line-height: 1.2;
}

.nstv-help__close{
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--muted);
  font-size: 1.05rem;
  padding: 8px;
  border-radius: 10px;
  transition: background .15s ease;
}
.nstv-help__close:hover{ background: rgba(0,0,0,.06); }

.nstv-help__body{
  padding: 14px;
}

.nstv-help__bubble{
  background: var(--bg-light);
  border: 1px solid rgba(0,0,0,.05);
  color: var(--text);
  border-radius: 14px;
  padding: 12px 12px;
  line-height: 1.45;
  font-size: .98rem;
  margin-bottom: 12px;
}

.nstv-help__options{
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}

.nstv-help__btn{
  width: 100%;
  text-align: left;
  border: 1px solid rgba(0,0,0,.10);
  background: #fff;
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
  transition: transform .12s ease, border-color .15s ease, background .15s ease;
}
.nstv-help__btn:hover{
  transform: translateY(-1px);
  border-color: var(--primary);
  background: rgba(0,150,136,.04);
}

.nstv-help__btn small{
  display: block;
  font-weight: 600;
  color: var(--muted);
  margin-top: 4px;
  line-height: 1.25;
}

.nstv-help__footer{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 6px;
  border-top: 1px dashed rgba(0,0,0,.10);
}

.nstv-help__link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  background: var(--primary);
  color: #fff;
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 800;
  transition: background .15s ease, transform .15s ease;
  white-space: nowrap;
}
.nstv-help__link:hover{ background: var(--secondary); transform: translateY(-1px); }

.nstv-help__back{
  border: 1px solid rgba(0,0,0,.12);
  background: #fff;
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 800;
  color: var(--text);
  transition: background .15s ease, transform .15s ease;
  white-space: nowrap;
}
.nstv-help__back:hover{ background: rgba(0,0,0,.04); transform: translateY(-1px); }

@media (max-width: 768px){
  .nstv-help{ right: 14px; bottom: 84px; width: min(380px, calc(100vw - 28px)); }
  .nstv-help-fab-wrap{ right: 14px; bottom: 14px; }
  .nstv-help-fab-bubble{ display:none; } /* hide tip bubble on small screens */
}