.gi365-car-tax-calculator {
  box-sizing: border-box;
  max-width: 680px;
  margin: 32px auto;
  padding: 26px;
  border: 1px solid #d7e5f0;
  border-radius: 20px;
  background: linear-gradient(145deg, #f8fbff, #eef7ff);
  box-shadow: 0 10px 28px rgba(18, 77, 128, 0.10);
  color: #17324a;
  font-family: -apple-system, BlinkMacSystemFont, "Noto Sans KR", "Malgun Gothic", sans-serif;
}

.gi365-car-tax-calculator * { box-sizing: border-box; }
.gi365-calc-header { margin-bottom: 24px; }
.gi365-calc-badge {
  display: inline-block;
  margin-bottom: 10px;
  padding: 5px 11px;
  border-radius: 999px;
  background: #1669ad;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}
.gi365-car-tax-calculator h3 {
  margin: 0 0 8px;
  color: #123e66;
  font-size: 27px;
  line-height: 1.35;
}
.gi365-calc-header p {
  margin: 0;
  color: #5b7184;
  font-size: 14px;
  line-height: 1.7;
}
.gi365-calc-field { margin-top: 17px; }
.gi365-calc-field label {
  display: block;
  margin-bottom: 7px;
  color: #17324a;
  font-weight: 800;
}
.gi365-calc-field input,
.gi365-calc-field select {
  display: block;
  width: 100%;
  min-height: 50px;
  padding: 11px 13px;
  border: 1px solid #b7cada;
  border-radius: 11px;
  background: #fff;
  color: #1b2f40;
  font-size: 16px;
}
.gi365-calc-field input:focus,
.gi365-calc-field select:focus {
  border-color: #1769aa;
  outline: 3px solid rgba(23, 105, 170, 0.13);
}
.gi365-calculate {
  display: block;
  width: 100%;
  min-height: 52px;
  margin-top: 22px;
  border: 0;
  border-radius: 11px;
  background: #1769aa;
  color: #fff;
  font-size: 17px;
  font-weight: 900;
  cursor: pointer;
}
.gi365-calculate:hover { background: #0e5794; }
.gi365-error {
  display: none;
  margin-top: 16px;
  padding: 12px 14px;
  border-left: 4px solid #d64242;
  border-radius: 8px;
  background: #fff0f0;
  color: #a82626;
  font-size: 14px;
  font-weight: 700;
}
.gi365-result {
  display: none;
  margin-top: 23px;
  padding: 20px;
  border: 1px solid #c6deef;
  border-radius: 14px;
  background: #fff;
}
.gi365-result-label {
  margin: 0;
  color: #566f82;
  font-size: 14px;
}
.gi365-total {
  margin: 4px 0 15px;
  color: #0c5794;
  font-size: 30px;
  font-weight: 900;
}
.gi365-breakdown {
  border-top: 1px solid #d9e6ef;
  padding-top: 10px;
}
.gi365-breakdown > div,
.gi365-prepay-row > div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 8px 0;
  border-bottom: 1px dashed #dbe5ec;
}
.gi365-breakdown span { color: #536b7d; }
.gi365-breakdown strong {
  color: #183b58;
  text-align: right;
}
.gi365-prepay-row {
  display: none;
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: 10px;
  background: #edf8f2;
}
.gi365-prepay-row strong { color: #147449; }
.gi365-notice {
  margin: 17px 0 0;
  color: #687e8e;
  font-size: 12px;
  line-height: 1.7;
}

@media (max-width: 600px) {
  .gi365-car-tax-calculator {
    padding: 20px 17px;
    border-radius: 15px;
  }
  .gi365-car-tax-calculator h3 { font-size: 23px; }
  .gi365-total { font-size: 26px; }
  .gi365-breakdown > div,
  .gi365-prepay-row > div {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }
}