* {
  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, 0.1);
  --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-image: url(./assets/bg-mobile.jpg);
  background-repeat: no-repeat;
  background-position: top center;
  background-size: cover;

  background: var(--bg-url) top center/cover;

}

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

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

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

#profile img{
  width: 112px;
  height: 112px;
  object-fit: cover;
  border-radius: 50%;

}

#profile p{
  font-weight: 500;
  font-size: 16px;
  line-height: 24px;
}

/* Switch */
#switch{
  /* border: 1px solid red; */
  position: relative;
  width: 64px;

  margin: 4px auto;
}

#switch button{
  height: 32px;
  width: 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 0.4s;

}

/* Hover do botão com Outline = contorno */
#switch button:hover{
  outline: 8px solid var(--highlight-color); 
}

/* Animação no botão de troca de tema */
.light #switch button{
  animation: slide-in 0.4s forwards; /*forwards = Mantem as ultimas propriedades*/
}

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

/* Links */
ul{
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;

  padding: 24px 0;
}

/* Botões */
ul li a{
  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); /*webkit - Compatibilidade para o safary 9*/

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

  transition: background 0.2s;

}

  /* Estilização de hover nos links */
ul li a:hover{
  background: var(--surface-color-hover); 
  border: 1px solid var(--text-color);}

  /* Social Links */
  #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%;
  }

  /* Estilização de hover nos icones */
  #social-links a:hover{
    background: var(--highlight-color);
  }

  footer{
    padding: 24px;
    text-align: center;
  }

  footer .assinatura{
    margin-top: 28px;
    font-size: 12px;
    opacity: 0.85;
  }

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

    .light{
      --bg-url: url(./assets/bg-desktop-light.jpg);
    }
  }
  
  /* Animation ao trocar de tema */
  @keyframes slide-in {
    from{
      left: 0;
    }
    to{
      left: 50%;
    }
  }

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