/* Chrome, Safari, Edge, Opera remove default spinner*/
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox remove defdault spinner*/
input[type=number] {
  -moz-appearance: textfield;
}

body {
    margin: 0;
    height: 100vh;
    padding: 0;
    font-family: "Inter", Arial, sans-serif;
    text-align: center;
}

#container{
    display: flex;
    flex-direction: column;
    min-height: 100vh; 
}

h1{
    padding: 0;
    margin: 0;
}

header {
    background-color: #881337;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 40px;
}

#user-input{
    background-color: inherit;
    border: 2px solid #FDA4AF;
    border-radius: 5px;
    color: white;
    font-size: 58px;
    font-weight: bold;
    padding: 10px;
    max-width: 23rem;
    text-align: center;
}

#convert-btn{
    background-color: white;
    border: 1px solid #e5e7eb;
    border-radius: 5px;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

#convert-btn:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
  transform: translateY(-1px);
}

main{
    margin: 0;
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 25px;
    background: #f7f7f7;
    flex: 1;
}

section{
    background-color: white;
    padding: 10px 20px;
}

section h3{
    color: #E11D48;
    font-size: 20px;
}

@media (min-width: 768px) {
    body{
        align-items: center;
        display: flex;
        justify-content: center;
        background: radial-gradient(circle at 20% 30%, rgba(255, 100, 150, 0.2), transparent 40%),
                    radial-gradient(circle at 80% 70%, rgba(100, 150, 255, 0.2), transparent 40%);
    }
    
    #container{
        max-width: fit-content;
        border: 2px solid #881337;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        min-height: auto;
    }
    
    main{
        min-height: auto;
        flex: unset;
    }
}