:root {
  --text-color: #ffffff;
  --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);
}

.light {
  --text-color: #000000;
  --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);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
  color: var(--text-color);
}

body {
  width: 100vw;
  background: url(./assets/bg-mobile-dark.png) no-repeat top center/cover;
  transition: background-image 0.6s;
}

body.light {
  background: url(./assets/bg-mobile-light.png) no-repeat top center/cover;
  transition: background-image 0.6s;
}

#container {
  width: 100%;
  max-width: 530px;
  margin: 56px auto 0px;
}

#profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px;
}

#profile img {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  border: 1.5px solid var(--stroke-color);
}

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

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

  display: flex;
  align-items: center;
}

#switch .handle {
  width: 32px;
  height: 32px;
  border: 5px;
  border-radius: 50%;
  position: absolute;
  z-index: 1;
  background: white url(./assets/moon-stars.svg) no-repeat center center;

  animation: move-handle-to-left 0.6s;
  left: 0px;
  right: initial;
  transition: background-image 0.6s;
  transition-delay: 0.2s;
}

.light #switch .handle {
  background: white url(./assets/sun.svg) no-repeat center center;

  animation: move-handle-to-right 0.6s;
  left: initial;
  right: 0px;
  transition: background-image 0.6s;
  transition-delay: 0.2s;
}

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

#switch .track {
  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);
}

ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
}

ul li a {
  text-decoration: none;
  font-weight: 500;
  display: grid;
  place-items: 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);

  transition: background 0.2;
}

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

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

#social-links a {
  display: grid;
  place-items: center;
  padding: 16px;
  border-radius: 50%;

  transition: background 0.2s;
}

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

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

footer .heart {
  margin: -2px 0px;
}

/* media queries */
@media (min-width: 600px) {
  body {
    background: url(./assets/bg-desktop-dark.png) no-repeat center center/cover;
  }

  body.light {
    background: url(./assets/bg-desktop-light.png) no-repeat center center/cover;
  }
}

/* animations */
@keyframes move-handle-to-right {
  0% {
    left: 0px;
    /* right: initial; */
  }
  100% {
    left: 32px;
  }
}

@keyframes move-handle-to-left {
  0% {
    left: 32px;
  }
  100% {
    left: 0px;
    /* right: initial; */
  }
}