* {
    margin: 0;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
        
    font-family: -apple-system, sans-serif;
    color: white;
    background-color: darkslateblue;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    
    padding: 12px 24px;
}

header h1 {
    line-height: 1;
}

header a {
    display: flex;
    align-items: center;
    
    text-decoration: none;
    color: white;
}

footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 16px;
}

.card {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    
    display: flex;
    flex-direction: column;
    gap: 12px;
    
    background-color: rgba(120, 100, 170, 0.3);
    border-radius: 12px;
    padding: 24px;
    
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.builder {
    align-items: center;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.builder__inputs {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.builder__field {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.builder__label {
    white-space: nowrap;
}

.builder__select {
    border: none;
/*    background-color: #9437ff;*/
/*    color: white;*/
    border-radius: 4px;
    height: 32px;
    width: 192px;
    font-size: 16px;
}

.builder__select:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.builder__button {
    border: none;
    background-color: #9437ff;
    color: white;
    cursor: pointer;
    height: 36px;
    width: 65%;
    border-radius: 999px;
    font-size: 16px;
    transition: transform 0.1s ease;
}

.builder__button:active {
    transform: scale(0.95);
}