* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #101010;
  color: #eeeeee;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 35px 20px;
}

header {
  text-align: center;
  padding: 35px 0 45px;
  border-bottom: 1px solid #806b40;
  margin-bottom: 35px;
}

.brand {
  font-size: 38px;
  font-weight: bold;
  letter-spacing: 5px;
  color: #d4af37;
}

.brand span {
  color: #ffffff;
  font-weight: 300;
}

header p {
  color: #aaaaaa;
  font-size: 12px;
  letter-spacing: 3px;
}

.card {
  background: #1b1b1b;
  border: 1px solid #393126;
  border-radius: 10px;
  padding: 28px;
  margin-bottom: 24px;
}

h2 {
  color: #d4af37;
  font-size: 18px;
  margin: 0 0 25px;
  padding-bottom: 12px;
  border-bottom: 1px solid #393126;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

label {
  display: block;
  color: #cccccc;
  font-size: 13px;
  font-weight: 500;
}

input, select {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 13px;
  background: #111111;
  border: 1px solid #555555;
  border-radius: 6px;
  color: #ffffff;
  font-size: 16px;
}

input:focus, select:focus {
  outline: 2px solid #d4af37;
  border-color: #d4af37;
}

button {
  width: 100%;
  padding: 18px;
  background: #d4af37;
  color: #111111;
  border: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: bold;
  letter-spacing: 2px;
  cursor: pointer;
}

button:hover {
  background: #e6c45b;
}

#result {
  margin-top: 25px;
  text-align: center;
  color: #d4af37;
  font-size: 14px;
}

footer {
  text-align: center;
  margin-top: 45px;
  padding: 25px;
  color: #777777;
  font-size: 11px;
  letter-spacing: 2px;
}

@media (max-width: 650px) {
  .container {
    padding: 15px;
  }

  .brand {
    font-size: 28px;
  }

  .card {
    padding: 20px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}

/* NUNU Shipping — Detailed Preview */

.preview-card {
  margin-top: 28px;
  padding: 30px;
  background: #1b1b1b;
  border: 1px solid #d4af37;
  border-radius: 10px;
  text-align: left;
}

.preview-card h2 {
  color: #d4af37;
  text-align: center;
  font-size: 22px;
  letter-spacing: 2px;
}

.preview-section {
  margin-top: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid #393126;
}

.preview-section h3 {
  color: #d4af37;
  font-size: 15px;
  margin-bottom: 14px;
}

.preview-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin: 10px 0;
  font-size: 14px;
}

.preview-row span:first-child {
  color: #999999;
}

.preview-row span:last-child {
  color: #ffffff;
  text-align: right;
  overflow-wrap: anywhere;
}

.preview-status {
  margin-top: 25px;
  padding: 15px;
  text-align: center;
  background: #252014;
  color: #d4af37;
  border: 1px solid #806b40;
  border-radius: 6px;
  font-weight: bold;
  letter-spacing: 1px;
}

@media (max-width: 650px) {
  .preview-card {
    padding: 18px;
  }

  .preview-row {
    flex-direction: column;
    gap: 4px;
  }

  .preview-row span:last-child {
    text-align: left;
  }
}