* {
  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, 0.1);
  --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;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
body * {
  font-family: "Inter", sans-serif;
  color: var(--text-color);
}
#container {
  width: 100%;
  max-width: 1280px;
  margin: 56px auto 0px;
  padding: 4px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

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

#profile img {
  width: 112px;
  border-radius: 100%;
}

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

/*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 0.4s;
}

#switch button:hover {
  outline: 6px 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;
  background-color: var(--stroke-colo);
}

.light #switch button {
  animation: slide-in 0.4s forwards;
}

/*links*/

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

  padding: 24px 0;
}

ul li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--surface-color);
  border: 1px solid var(--stroke-color);
  border-radius: 8px;
  -webkit-backdrop-filter: blur (4px);
  text-decoration: none;
  font-weight: 500;
  transition: background 0.2s;
}

/*pseudo-selector*/

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: 16px 0;
  font-size: 28px;
  margin-top: auto;
}

#social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  border-radius: 50%;
  transition: background 0.2s;
}

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

footer {
  padding: 16px 0;
  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: 0;
  }
  to {
    left: 50%;
  }
}

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

.status {
  font-size: 0.8rem;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
}

.status.launched {
  background-color: #22c55e;
  color: white;
}

.status.development {
  background-color: #f59e0b;
  color: white;
}

.status.beta {
  background-color: #3b82f6;
  color: white;
}

#links-container {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  width: 100%;
  padding: 24px 0;
}

.links-column h2 {
  color: var(--text-color);
  text-align: center;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.links-column ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

@media (max-width: 768px) {
  #container {
    margin: 24px auto 0px;
  }
  
  #links-container {
    grid-template-columns: 1fr;
  }
}