/* LittleLink Style - Auto Theme */

:root {
  --bg-color: #ffffff;
  --text-color: #222222;
  --text-secondary: #666666;
  --link-color: #0066cc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #0f0f0f;
    --text-color: #f0f0f0;
    --text-secondary: #aaaaaa;
    --link-color: #66b3ff;
  }
}

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

html {
  font-size: 62.5%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  font-size: 1.6rem;
  line-height: 1.6;
  background-color: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.container {
  max-width: 680px;
  width: 100%;
  text-align: center;
}

/* Avatar */
.avatar {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

@media (prefers-color-scheme: dark) {
  .avatar {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  }
}

/* Profile Info */
h1 {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.bio {
  font-size: 1.4rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  width: 100%;
  max-width: 400px;
  margin: 0 auto 1.2rem;
  padding: 1.4rem 2rem;
  font-size: 1.5rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border: none;
  cursor: pointer;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.button:active {
  transform: translateY(0);
}

/* Icon in button */
.icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* Footer */
footer {
  margin-top: 3rem;
  font-size: 1.2rem;
  color: var(--text-secondary);
}

footer a {
  color: var(--link-color);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 480px) {
  .avatar {
    width: 100px;
    height: 100px;
  }

  h1 {
    font-size: 2rem;
  }

  .bio {
    font-size: 1.3rem;
  }

  .button {
    padding: 1.2rem 1.6rem;
    font-size: 1.4rem;
  }
}
