body {
  margin: 0px;
  min-height: 100vh;
  background: black;
  color: white;
  font-family: Arial, Helvetica, sans-serif
}

.container {
  width: clamp(300px, 90%, 600px);
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.container h1 {
  text-align: center;
  margin-top: 0;
  padding-top: 1rem;
  color: orange;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin: 1rem;
  gap: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.5rem;
  border-radius: 8px;
  border: none;
  font-size: 1rem;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
}

input:focus, textarea:focus {
  outline: 2px solid orange;
  outline-offset: 1px;
  border-color: transparent
}

select:focus {
  outline: 2px solid orange;
  outline-offset: 1px;
}

input:invalid, select:invalid, textarea:invalid {
  border: 2px solid red;
}

input:valid, select:valid, textarea:valid {
  border: 2px solid green;
}

.form-group select option {
  background-color: #313131;
  color: white;
}

.form-group label {
  font-weight: bold;
}

legend {
  font-weight: bold;
  margin-bottom: 0.5rem;
}

fieldset {
  border: none;
  padding: 0;
}

label:has(input[type="radio"]) {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-right: 0.5rem;
  cursor: pointer;
  user-select: none;
}

input[type="radio"] {
  border: 1px solid white;
}

input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio {
  width: 1.2em;
  height: 1.2em;
  background-color: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  position: relative;
}

.radio-group input[type="radio"]:checked {
  border-color: transparent;
  background-color: transparent;
  box-shadow: none;
}



input[type="radio"]:checked + .radio {
  background: orange;
  border-color: orange;
}

label:has(input[type="radio"]:checked) {
  color: orange;
}

input[type="radio"]:focus + .radio {
  outline: 2px solid orange;
  outline-offset: 1px;
}

.radio::after {
  content: "";
  position: absolute;
  display: none;
}

input[type="radio"]:checked + .radio::after {
  display: block;
}

.radio::after {
  top: 50%;
  left: 50%;
  width: 0.6em;
  height: 0.6em;
  border-radius: 50%;
  background: #313131;
  transform: translate(-50%, -50%);
}

button[type="submit"] {
  display: block;
  margin: 1rem auto 2rem auto;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  background-color: white;
  color: black;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s;
}

button:hover {
  background-color: orange;
  color: white;
}

button:active {
  transform: scale(0.98);
}

button:focus {
  outline: 2px solid orange;
  outline-offset: 1px;
}

input:first-of-type {
  margin-right: 0.5rem;
}