:root {
  --bg: #ffffff;
  --text: #111111;
  --accent: #0055ff;
  --section-bg: #f5f5f5;
}

body.dark {
  --bg: #121212;
  --text: #ffffff;
  --accent: #00bfff;
  --section-bg: #1e1e1e;
}

body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background-color: var(--bg);
  color: var(--text);
  transition: background 0.3s, color 0.3s;
}

header {
  text-align: center;
  padding: 2rem;
  background: var(--accent);
  color: white;
}

main {
  padding: 1.5rem;
  max-width: 960px;
  margin: auto;
}

h2 {
  color: var(--accent);
}

ul {
  padding-left: 1.2rem;
}

.grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.grid li {
  background: var(--section-bg);
  padding: 8px 12px;
  border-radius: 6px;
}

.project {
  background: var(--section-bg);
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 6px;
}

footer {
  text-align: center;
  padding: 1rem;
  background: var(--section-bg);
}

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

#themeToggle {
  position: fixed;
  top: 10px;
  right: 10px;
  padding: 8px 12px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

/* Responsive */
@media (max-width: 600px) {
  .grid {
    flex-direction: column;
  }

  body {
    font-size: 16px;
  }
}