/* --- НЕОНОВАЯ ФОРМА ОБРАТНОЙ СВЯЗИ --- */
.neon-form {
  max-width: 420px;
  margin: 0 auto 2rem auto;
  background: #111;
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(255, 234, 0, 0.06);
  padding: 2rem 1.5rem 1.2rem 1.5rem;
  border: 1.5px solid #ffea00;
}
.neon-form .form-label,
.neon-form .invalid-feedback {
  color: #ffea00;
  text-shadow: 0 0 6px #ff9800;
}
.neon-form .form-control {
  background: #181818;
  color: #fff;
  border: 1.5px solid #ff9800;
  border-radius: 6px;
  box-shadow: 0 0 6px #ff980022;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.neon-form .form-control:focus {
  border-color: #ffea00;
  box-shadow: 0 0 12px #ffea00cc;
  background: #1a1a1a;
  color: #fff;
}
.neon-form .form-control.is-invalid {
  border-color: #ff3333;
  box-shadow: 0 0 8px #ff333388;
}
.neon-form .form-control:disabled {
  background: #222 !important;
  color: #888 !important;
}
.neon-btn,
.neon-form .btn-primary {
  background: #ff9800;
  border: none;
  color: #181818;
  font-weight: bold;
  letter-spacing: 1px;
  box-shadow: 0 0 10px #ffea00, 0 0 20px #ff9800;
  border-radius: 6px;
  padding: 0.6em 2.2em;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
.neon-btn:hover,
.neon-form .btn-primary:hover {
  background: #ffea00;
  color: #111;
  box-shadow: 0 0 16px #ffea00, 0 0 24px #ff9800;
}
#fb-result {
  font-size: 1em;
  color: #ffea00;
  text-shadow: 0 0 6px #ff9800;
  min-height: 1.5em;
  margin-top: 1em;
}
@media (max-width: 576px) {
  .neon-form {
    padding: 1.1rem 0.7rem 0.7rem 0.7rem;
  }
  .neon-btn,
  .neon-form .btn-primary {
    padding: 0.5em 1.2em;
    font-size: 1rem;
  }
}
.neon-float-btn {
  position: fixed;
  right: 24px;
  bottom: 32px;
  z-index: 1200;
  background: #ffea00;
  color: #181818;
  border: none;
  border-radius: 50%;
  width: 58px;
  height: 58px;
  box-shadow: 0 0 16px #ffea00, 0 0 32px #ff9800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
  outline: none;
}
.neon-float-btn:hover,
.neon-float-btn:focus {
  background: #ff9800;
  color: #fff;
  box-shadow: 0 0 28px #ffea00, 0 0 36px #ff9800;
  transform: scale(1.08);
}
@media (max-width: 576px) {
  .neon-float-btn {
    right: 12px;
    bottom: 18px;
    width: 46px;
    height: 46px;
    font-size: 1.4rem;
  }
}