*{
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}
:root{
  --text-color:white;
  --bg-url:url(./assets/bg-mobile.jpg);
  --stroke-color:rgba(255,255,255,0.5);
  --surface-color: rgba(255, 255, 255, 0.1);
  --surface-color-hover:rgba(255, 255, 255, 0.05); 
  --highlight-color:rgba(255, 255, 255, 0.2); 
  --switch-bg-url:url(assets/moon-stars.svg);
}
.light{
  --text-color:black;
  --bg-url:url(./assets/bg-mobile-light.jpg);
  --stroke-color:rgba(0,0,0,0.5);
  --surface-color:rgba(0, 0, 0, 0.05);
  --surface-color-hover:rgba(0,0,0,0.02);
  --highlight-color:rgba(0, 0, 0, 0.1);
  --switch-bg-url:url(assets/sun.svg);

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

    /* Shorthand */
    /* background: color image repeat position/size */
    background:var(--bg-url)  no-repeat top center/cover;  
    height: 100% vh;  
}
body *{
    font-family: 'Inter', sans-serif;
    color:var(--text-color)
}
#container{
    width: 100%;
    max-width: 588px;
    margin:56px auto 0px;
    padding: 0px 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;
    top: 50%;
    left: 0px;
    z-index: 1;
    transform: translateY(-50%);
    animation: slide-back 0.2s;
}
.light #switch button{
   animation: slide-in 0.2s forwards;
}

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

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

/* lista de links */
ul{
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px 0px;  
}

ul li a {   
    display: flex;
    align-items: center;
    justify-content: center;
    background:var(--surface-color);
    padding: 24px;
    border: 1px solid var(--stroke-color);
    border-radius: 8px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
/* Note: backdrop-filter has minimal browser support */
    text-decoration: none;
    font-weight: 500;
    transition: background 0.2s;
}

ul li a:hover{
    background: var(--surface-color-hover);
    border: 1.5px solid var(--text-color);  
}

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

#social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;        
}

#social-links a:hover {
    background:var(--highlight-color);
    border-radius: 50%;
    padding: 16px;
}

footer{
    padding: 24px 0px;
    text-align: center;
    font-size: 14px;
}

/* media queries */
@media (min-width: 700px){
    :root{
        --bg-url:url(./assets/bg-desktop.jpg);
    }
    .light{
        --bg-url:url(./assets/bg-desktop-light.jpg);
    }
}

/* animation */
@keyframes slide-in{
    from{
        left: 0px;
    }
    to{
        left: 50%;
    }
}

@keyframes slide-back{
    from{
        left: 50%;
    }
    to{
        left: 0px;
    }    
}