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

:root {
  --text-color: #ffffff;
  --bg-color: rgb(20 20 40);
  --stroke-color: rgb(255 255 255 / 0.5);
  --profile-color: rgb(255 255 255 / 0.1);
  --surface-color: rgb(255 255 255 / 0.1);
  --surface-color-hover: rgb(255 255 255 / 0.05);
  --highlight-color: rgb(255 255 255 / 0.2);
  --switch-bg-url: url(./assets/MoonStars.svg);
}

.light {
  --text-color: #000000;
  --bg-color: rgb(240, 180, 180);
  --stroke-color: rgb(0 0 0 / 0.5);
  --surface-color: rgb(0 0 0 / 0.05);
  --profile-color: rgb(0 0 0 / 0.1);
  --surface-color-hover: rgb(0 0 0 / 0.02);
  --highlight-color: rgb(1 0 0 / 0.1);
  --switch-bg-url: url(./assets/Sun.svg);
}

body {
  background: var(--bg-color) 50% 0 / 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: 180px;
  border-radius: 50%;
  background-color: var(--profile-color);
  backdrop-filter: blur(4px);
  border: 2px var(--stroke-color) solid;
}
#profile p {
  font-weight: 500;
  margin-top: 8px;
}
ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px 0;
}

ul li a {
  display: flex;
  justify-content: center;
  align-items: center;

  padding: 16px 24px;

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

  backdrop-filter: blur(4px);

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

  transition: 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;
  /* gap: 16px; */
  padding: 24px 0;
  font-size: 24px;
}

#social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  transition: background 0.4s;
  border-radius: 50%;
}

#social-links a:hover {
  font-size: 24px;
  background: var(--highlight-color);
}

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

/* switch */
#switch {
  position: relative;
  width: 64px;
  margin: 0 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 0.5s;
}

.light #switch button {
  animation: slide-in 0.5s 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);
  border-radius: 9999px;
}

/* animation */

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

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