* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root{
    --text-color:white;
    --bg-url: url(./assets/bg-mobile2.jpg);   
    --stroke-color:rgba(255, 255, 255, 0.5);
    --surface-color:rgba(255, 255, 255, 0.1);
    --hoversocial-color:rgba(255, 255, 255, 0.2);
    --switch-bg-url: url(./assets/moon-stars.svg);
    transition: all 1s ease-in-out;
}


.light {
    --text-color:black;
    --bg-url: url(./assets/bg-mobile-light.png);  
    --stroke-color:rgba(0, 0, 0, 0.5);
    --surface-color:rgba(0, 0, 0, 0.05);
    --hoversocial-color:rgba(0, 0, 0, 0.2);
    --switch-bg-url: url(./assets/sun.svg);
    transition: all 1s ease-in-out;
}


body {
    /*
    background-image: url(./assets/bg-mobile.jpg);
    background-repeat: no-repeat;;
    background-position:top center;
    background-size: cover; 
    background: color image repeat position/size 
    background: var(--bg-url) no-repeat top center/cover;*/
    background: var(--bg-url) no-repeat top center/cover;
    height: 100vh;
}

body * {
    font-family: "Inter", sans-serif;
    color: var(--text-color);
}

#container{
    /*border:1px solid red;*/
    width: 100%;
    max-width: 588px;
    /*border: 1px solid none; Cor none, a borda ajuda a identificar as caixas */ 
    margin: 56px auto 0px;
    padding: 0 24px;
}


/* Profile */
#profile{
    text-align: center;
    padding: 24px;
}

#profile img{
    width: 112px;
}

#profile p {
    font-weight: 500;
    line-height:24px;
    margin-top: 8px;
}

/*switch */
#switch{
    position: relative;
    width: 64px;
    margin: 4px auto;
    
}

#switch button {
    width: 32px;
    height: 32px;
    background: white var(--switch-bg-url) no-repeat center;
    border: 0;
    border-radius: 50%;

    position: absolute; /* sobrepoem as camadas */
    top: 50%;
    left: 0;
    z-index: 1;
    transform: translateY(-50%);
    animation: slide-out 0.4s;


}

.light #switch button{
    animation:slide-in 0.4s forwards;
}

#switch button:hover{
    outline: 8px solid var(--hoversocial-color);
}



#switch span {
    display: block;
    width: 64px;
    height: 24px;
    background: var(--surface-color);
    border: 1px solid var(--stroke-color);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border-radius: 9999px;
}


/* links*/
ul{
    /*border:1px solid red;*/
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 50px 0;
    height: 300px;
}

ul li a{
    /*border:1px solid red;*/
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 15px;
    padding: 16px 24px;

    background: var(--surface-color);
    border: 1px solid var(--stroke-color);
    border-radius: 8px;

    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);

    text-decoration: none;
    font-weight:500;

    transition: background all 0.5s;
    box-sizing: border-box; 
}

/* pseudo-selector */
ul li a:hover {
    background: rgba(255, 255, 255, 0.05);
    border: 1.5px solid var(--text-color);
}

/* Social links */
#social-links{
    /*border:1px solid red;*/
     display:flex; 
     justify-content: center;
     padding: 0px 0;
     font-size: 24px;
}

#social-links a{
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    transition: 0.3s;
    transition: background 0.2s;
    border-radius: 50%;
}

#social-links a:hover{
    background: var(--hoversocial-color);
    padding:16px;
}

footer {
    /*border:1px solid red;*/
    padding: 10px 0;
    text-align: center;
    font-size: 15px;
}

@keyframes slide-in {
    from{
        left:0;
    }
    to{
        left:50%;
    }
    
}
@keyframes slide-out {
    from{
        left:50%;
    }
    to{
        left:0;
    }
    
}






/* Nesse caso é possível substituir 
a imagem por outra depois de determinado tamanho
@media (min-width: 700px) {
    :root {
        --bg-url:url(./assets/bg-desktop.jpg)
    }
    .light {
        --bg-url:url(./assets/bg-desktop-light.jpg)
    }
}
*/