body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, #1e3a8a, #2563eb);
  color: #1f2937;
}

/* NAVBAR */
.nav {
  display: flex;
  justify-content: center;
  gap: 15px;
  padding: 15px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
}

.nav button {
  background: white;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s;
}

.nav button:hover {
  background: #dbeafe;
  transform: translateY(-2px);
}

/* CARD */
.section {
  max-width: 800px;
  margin: 30px auto;
  padding: 30px;

  background: rgba(255,255,255,0.95);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);

  animation: fadeIn 0.5s ease;
}

/* HEADINGS */
h2 {
  text-align: center;
  font-size: 28px;
  color: #1e3a8a;
  margin-bottom: 5px;
}

h3, h4 {
  text-align: center;
  font-weight: 600;
  margin: 5px;
}

/* LABEL */
label {
  font-weight: 600;
  margin-top: 10px;
  display: block;
}

/* INPUT */
input {
  width: 100%;
  padding: 12px;
  margin: 8px 0 15px;
  border-radius: 8px;
  border: 1px solid #ccc;
  transition: 0.3s;
}

input:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 6px rgba(37,99,235,0.5);
}

/* CHECKBOX */
.checkbox-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* AREA */
.area {
  display: flex;
  gap: 10px;
}

.area input {
  flex: 1;
}

/* UTARA */
.utara-block {
  background: #f1f5f9;
  padding: 15px;
  border-radius: 10px;
  margin-bottom: 10px;
}

.utara-row {
  display: flex;
  gap: 10px;
}

.utara-row div {
  flex: 1;
}

/* BUTTON */
button[type="submit"] {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #16a34a, #22c55e);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

button[type="submit"]:hover {
  transform: scale(1.03);
}

/* TOKEN */
#tokenBox {
  margin-top: 20px;
  padding: 20px;
  text-align: center;
  background: #ecfdf5;
  border-radius: 12px;
  border: 2px dashed #16a34a;
  animation: fadeIn 0.5s ease;
}

#tokenNumber {
  font-size: 30px;
  color: #166534;
}

/* DECLARATION */
.declaration {
  background: #f9fafb;
  padding: 12px;
  border-left: 4px solid #1e3a8a;
  font-size: 13px;
}

/* ANIMATION */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.checkbox-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 10px;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  background: #f1f5f9;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.2s;
}

.checkbox-group label:hover {
  background: #e2e8f0;
}

.checkbox-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}
.declaration-box {
  background: #f9fafb;
  padding: 12px;
  border-left: 4px solid #1e3a8a;
  border-radius: 6px;
  margin-top: 15px;
}

.declaration-label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  cursor: pointer;
}

.declaration-label input {
  flex-shrink: 0;
}
input[type="checkbox"] {
  width: auto !important;
  height: 16px;
  margin-top: 4px;
}