* {
margin: 0;
padding: 0;
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, 0.05);
    --surface-color-hover: rgba(0, 0, 0, 0.02);
    --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: var(--bg-url) no-repeat top center/cover;
    height: 100vh;
 }

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

 #container {
width: 100%;
max-width: 588px;
margin: 56px auto 0px;
padding: 0 24px;
}

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

#profile img {
    width: 112px;
}

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

#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: 0;
    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);
backdrop-filter: blur(4px);
-webkit-backdrop-filter: blur(4px);
border-radius:9999px;
}

ul {
    display: flex;
    list-style: none;
    flex-direction: column;
    gap: 16px;

    padding: 24px 0;
}

ul li a {
    border: 1px solid red;

     display: flex;
     align-items: center;
     justify-content: center;

     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 0.2s;
 }

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

#social-links {
display: flex;
justify-content: center;

padding: 24px 0;

font-size: 24px;
}

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

    transition: background 0.2s;
    border-radius: 50%;
    }

    #social-links a:hover {
        background: var(--highlight-color);
    }

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

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

        .light {
            --bg-url: url(./assets/bg-desktop-light.jpg);
        }

    }

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

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