* {
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: sans-serif;
  min-height: 100vh;
}

.form {
  border: 1px solid #000;
  border-radius: 10px;
  max-width: 400px;
  width: 100%;
  padding: 30px;
  height: fit-content;
}

.fieldset-first {
  border: 0;
  padding-bottom: 0
}

.legend {
  font-weight: 700;
  margin-bottom: 15px;
}

.label {
  display: block;
  margin-bottom: 10px;
}

.input {
  margin-bottom: 20px;
  border: 1px solid #000;
  width: 100%;
  border-radius: 5px;
  padding: 3px 10px;
}

.fieldset-second {
  border: 0;
  padding-top: 0;
}

.message {
  display: block;
  margin-bottom: 10px;
}

.text-area {
  resize: vertical;
  min-height: 30px;
  max-height: 200px;
  width: 100%;
  border-radius: 5px;
  margin-bottom: 20px;
  padding: 3px 10px;
}

.input:disabled,
.text-area:disabled {
  opacity: 0.5;
}

.checkbox-label {
  padding-left: 22px;
}

.checkbox {
  position: absolute;
  appearance: none;
  cursor: pointer;
  accent-color: #9e1fff;
  outline: none;
}

.checkbox::after {
  content: "";
  position: absolute;
  margin-left: -22px;
  width: 16px;
  height: 16px;
  border: 1px solid #333;
  border-radius: 4px;
  cursor: pointer;
}

.checkbox:checked::after {
  background: url("../images/check-icon.svg") no-repeat center, #9e1fff;
}

.submit {
  margin: 0 12px;
  padding: 6px 18px;
  border: none;
  border-radius: 5px;
  background-color: #9e1fff;
  color: #fff;
  cursor: pointer;
  transition: opacity 0.3s;
}

.submit:hover {
  opacity: 0.8;
}

.submit:not(:disabled):active {
  background-color: #8719db;
}

.submit:disabled,
.checkbox:disabled::after {
  opacity: 0.5;
  cursor: default;
}

.input:focus-visible,
.text-area:focus-visible,
.checkbox:focus-visible::after,
.submit:focus-visible {
  outline: 2px solid #9e1fff;
  outline-offset: 1px;
}