:root {
  --bg-color: #f9f9f9;
  --text-color: #333;
  --link-bg: #fff;
  --link-hover-bg: #e1e1e1;
}

[data-theme="dark"] {
  --bg-color: #18181b;
  --text-color: #f1f1f1;
  --link-bg: #202024;
  --link-hover-bg: #313136;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: Arial, sans-serif;
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
}

.container {
  text-align: center;
  max-width: 400px;
  width: 90%;
}

.avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.25rem;
}

.subtitle {
  opacity: 0.7;
  margin-bottom: 1.5rem;
}

.links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.link-button {
  display: block;
  background-color: var(--link-bg);
  padding: 0.75rem 1rem;
  border-radius: 9999px;
  text-decoration: none;
  color: var(--text-color);
  font-weight: bold;
  transition: background-color 0.2s;
}

.link-button:hover {
  background-color: var(--link-hover-bg);
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-color);
  opacity: 0.7;
}