@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");

:root {
  --bg: #0d0f14;
  --bg2: #12151c;
  --card: #141824;
  --border: #1f2430;
  --text: #f5f5f5;
  --muted: #9aa4b2;
  --accent: #2b78ff;
}

body.light {
  --bg: #f4f6fa;
  --bg2: #ffffff;
  --card: #ffffff;
  --border: #dce1ea;
  --text: #0d0f14;
  --muted: #5f6b7a;
}

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

body {
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background 0.3s ease, color 0.3s ease;
}

h1 {
  font-family: "Inter", sans-serif;
  color: var(--text);
  text-align: center;
}

nav {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  margin-right: 20px;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--text);
}

.theme-toggle {
  position: fixed;
  top: 8px;
  right: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10%;
  width: 38px;
  height: 38px;
  cursor: pointer;
  z-index: 100;
}