.card {
  background: linear-gradient(135deg, #212121, #333333);
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.card-title {
  font-size: 2rem;
  font-weight: 600;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.3);
  background-color: #333333;
  color: #39ffd7;
  text-shadow: 0 0 10px #39ffd755;
  border-left: 4px solid #39ffd7;
  border-right: 4px solid #39ffd7;
}

.form-label {
  font-weight: 500;
  color: #39ffd7;
  border-left: 4px solid #39ffd7;
  padding-left: 10px;
  text-shadow: 0 0 8px #39ffd755;
}

.form-control,
.form-select {
  background: #2b2b2b;
  border: 1px solid #444;
  color: #fff;
  border-radius: 8px;
}

.form-control:focus,
.form-select:focus {
  background: #333;
  border-color: #6e7dff;
  box-shadow: 0 0 8px rgba(110, 125, 255, 0.5);
}

#jamSekarang {
  color: #39ffd7;
  font-size: 0.9rem;
  display: block;
  font-weight: bold;
  text-shadow: 0 0 8px #39ffd755;
}

.btn-warning {
  background: linear-gradient(135deg, #4e92c3, #00b8d4);
  border: none;
  transition: all 0.3s ease;
  border-radius: 8px;
}

.btn-warning:hover {
  background: linear-gradient(135deg, #00b8d4, #4e92c3);
  box-shadow: 0 4px 12px rgba(0, 184, 212, 0.5);
}

.text-success {
  color: #39e639;
}

.spinner-border {
  width: 3rem;
  height: 3rem;
  border-top: 4px solid rgba(110, 125, 255, 0.8);
}

#price_coin {
  color: #00a94f;
  font-weight: bold;
  font-size: 1.3rem;
  background-color: #1e1e1e;
  padding: 10px 20px;
  border: 2px solid #39ffd7;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  box-shadow: 0 0 10px rgba(0, 255, 100, 0.2);
  transition: all 0.3s ease;
}
  

#waktuNye {
  color: #39ffd7;
  font-size: 1.3rem;
  background-color: #1e1e1e;
  padding: 10px 20px;
  border: 2px solid #39ffd7;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  box-shadow: 0 0 10px rgba(0, 255, 100, 0.2);
  transition: all 0.3s ease;
}

#price_coin img {
  width: 30px;
  height: 30px;
}

#beton {
  background: linear-gradient(135deg, #8A2BE2, #C77DFF);
  color: #ffffff;
  border: 2px solid #C77DFF;
  box-shadow: 0 4px 12px rgba(199, 125, 255, 0.4);
  transition: all 0.3s ease;
  margin-top: 30px;
}

.btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(199, 125, 255, 0.6);
}

.neon-input {
  background-color: rgba(255, 255, 255, 0.05);
  border: 2px solid #39ffd7;
  border-radius: 10px;
  color: #fff;
  font-weight: 500;
  padding: 10px 15px;
  transition: 0.3s ease-in-out;
  box-shadow: 0 0 8px rgba(0, 255, 195, 0.2);
}

.neon-input::placeholder {
  color: #cccccc;
}

.neon-input:focus {
  outline: none;
  border-color: #39ffd7;
  box-shadow: 0 0 12px #39ffd7, 0 0 20px rgba(0, 255, 229, 0.3);
  background-color: rgba(255, 255, 255, 0.08);
}

@keyframes clickShake {
  0% {
    transform: translateX(0);
  }
  
  25% {
    transform: translateX(-2px);
  }
  
  50% {
    transform: translateX(2px);
  }
  
  75% {
    transform: translateX(-1px);
  }
  
  100% {
    transform: translateX(0);
  }
}

.button-shake:active {
  animation: clickShake 0.3s ease;
}

.custom-toggler {
  width: 30px;
  height: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
}

.custom-toggler span {
  height: 3px;
  background-color: white;
  border-radius: 2px;
  transition: all 0.3s ease;
  display: block;
  width: 30px;
}

.navbar-brand {
  color: #39ffd7;
  text-shadow: 0 0 10px #39ffd755;
  font-weight: bold;
}

.navbar-brand:hover {
  color: #39ffd7;
}

.nav-link:hover {
  color: #00bcd4 !important;
}

.navbar-toggler.collapsed .custom-toggler span:nth-child(1) {
  transform: rotate(0) translate(0, 0);
}

.navbar-toggler.collapsed .custom-toggler span:nth-child(2) {
  opacity: 1;
}

.navbar-toggler.collapsed .custom-toggler span:nth-child(3) {
  transform: rotate(0) translate(0, 0);
}

.navbar-toggler:not(.collapsed) .custom-toggler span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggler:not(.collapsed) .custom-toggler span:nth-child(2) {
  opacity: 0;
}

.navbar-toggler:not(.collapsed) .custom-toggler span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
  
  .card {
    padding: 2rem 3rem;
  }
  
  .form-control,
  .form-select,
  .neon-input {
    font-size: 1rem;
  }
  
  #price_coin {
    font-size: 1.5rem;
    padding: 15px 25px;
  }
  
  #waktuNye {
    font-size: 1.5rem;
    padding: 15px 25px;
  }
  
  #price_coin img {
    width: 35px;
    height: 35px;
  }
  
  .card-title {
    font-size: 2.5rem;
  }
}