body 
{

    font-family: 'Sarabun';
    font-size: 20px;
    background: linear-gradient(to right, #00f, #800080);
    height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
}    

 .modal 
 {
  width: -webkit-fill-available;
  height: fit-content;
  background: #FFFFFF;
  box-shadow: 0px 187px 75px rgba(0, 0, 0, 0.01), 0px 105px 63px rgba(0, 0, 0, 0.05), 0px 47px 47px rgba(0, 0, 0, 0.09), 0px 12px 26px rgba(0, 0, 0, 0.1), 0px 0px 0px rgba(0, 0, 0, 0.1);
  border-radius: 26px;
  max-width: 450px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px;
}

.formX {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 20px;
}

.payment--options {
    width: calc(100% - 40px);
    display: inline-flex;
    grid-template-columns: 33% 34% 33%;
    gap: 20px;
    padding: 10px;
    justify-content: space-around;
}

.payment--options button {
  height: 55px;
  background: #F2F2F2;
  border-radius: 11px;
  padding: 0;
  border: 0;
  outline: none;
}

.payment--options button svg {
  height: 18px;
}

.payment--options button:last-child svg {
  height: 22px;
}

.separator {
  width: calc(100% - 20px);
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 10px;
  color: #8B8E98;
  margin: 0 10px;
}

.separator > p {
  word-break: keep-all;
  display: block;
  text-align: center;
  font-weight: 600;
  font-size: 11px;
  margin: auto;
}

.separator .line {
  display: inline-block;
  width: 100%;
  height: 1px;
  border: 0;
  background-color: #e8e8e8;
  margin: auto;
}

.credit-card-info--form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.input_container {
  width: 100%;
  height: fit-content;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.split {
  display: grid;
  grid-template-columns: 4fr 2fr;
  gap: 15px;
}

.split input {
  width: 100%;
}

.input_label {
  font-family: 'Sarabun';
  font-size: 17px;
  color: #8B8E98;
  font-weight: 600;
}

.lineB {
    margin: 21px 6px;
    height: 2px;
    background: repeating-linear-gradient(90deg, #000000 0 12px, #0000 0 15px);
}
.input_field {
    font-family: 'Sarabun';
    font-size: 22px;
    text-align: center;
    width: auto;
    height: 40px;
    /*padding: 0 0 0 16px;*/
    border-radius: 9px;
    outline: none;
    border: 1px solid #00000087;
    background-color: #F2F2F2;
    transition: all 0.3s cubic-bezier(0.15, 0.83, 0.66, 1);
}

.input_field:focus {
  border: 1px solid transparent;
  box-shadow: 0px 0px 0px 2px #242424;
  background-color: transparent;
}

.purchase--btn {
    font-family: 'Sarabun';
    font-size: 22px;
  height: 55px;
  background: #F2F2F2;
  border-radius: 11px;
  border: 0;
  outline: none;
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  background: linear-gradient(180deg, #363636 0%, #1B1B1B 50%, #000000 100%);
  box-shadow: 0px 0px 0px 0px #FFFFFF, 0px 0px 0px 0px #000000;
  transition: all 0.3s cubic-bezier(0.15, 0.83, 0.66, 1);
}

.purchase--btn:hover {
  box-shadow: 0px 0px 0px 2px #FFFFFF, 0px 0px 0px 4px #0000003a;
}

/* Reset input number styles */
.input_field::-webkit-outer-spin-button,
.input_field::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.input_field[type=number] {
  -moz-appearance: textfield;
}

.glass-radio-group {
  --bg: rgba(255, 255, 255, 0.06);
  --text: black;

  display: flex;
  position: relative;
  background: var(--bg);
  border-radius: 1rem;
  backdrop-filter: blur(12px);
  box-shadow:
    inset 1px 1px 4px rgba(255, 255, 255, 0.2),
    inset -1px -1px 6px rgba(0, 0, 0, 0.3),
    0 4px 12px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  width: fit-content;
}

.glass-radio-group input {
  display: none;
}

.glass-radio-group label {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 154px;
  font-size: 14px;
  padding: 0.8rem 1.6rem;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--text);
  position: relative;
  z-index: 2;
  transition: color 0.3s ease-in-out;
}

.glass-radio-group label:hover {
  color: black;
}

.glass-radio-group input:checked + label {
  color: black;
}

.glass-glider {
  position: absolute;
  top: 0;
  bottom: 0;
  width: calc(100% / 2);
  border-radius: 1rem;
  z-index: 1;
  transition:
    transform 0.5s cubic-bezier(0.37, 1.95, 0.66, 0.56),
    background 0.4s ease-in-out,
    box-shadow 0.4s ease-in-out;
}

/* Silver */
#glass-silver:checked ~ .glass-glider {
  transform: translateX(0%);
  background: linear-gradient(135deg, #ffd70055, #ffcc00);
  box-shadow:
    0 0 18px rgba(255, 215, 0, 0.5),
    0 0 10px rgba(255, 235, 150, 0.4) inset;
}

/* Gold */
#glass-gold:checked ~ .glass-glider {
  transform: translateX(100%);
  background: linear-gradient(135deg, #ffd70055, #ffcc00);
  box-shadow:
    0 0 18px rgba(255, 215, 0, 0.5),
    0 0 10px rgba(255, 235, 150, 0.4) inset;
}

select {
  font-family: 'Sarabun';
  text-align: center;
  font-size: 22px;
  padding: 8px 12px;
  font-size: 16px;
  border: 1px solid #757575;
  border-radius: 4px;
  background-color: #d9d9d9;
  color: #333;
  appearance: none; /* Remove default arrow in some browsers */
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url('data:image/svg+xml;utf8,<svg fill="%23333" height="16" viewBox="0 0 24 24" width="16" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 24px;
  border-radius: 40px;
}