:root {
  --brand: #6b5cff;
  --text: #222;
  --muted: #666;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue",
    Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  color: var(--text);
}
.container {
  padding: 1.25rem;
  max-width: 1100px;
  margin: 0 auto;
}
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #eee;
}
.brand {
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
}
.nav-right a {
  margin-left: 1rem;
  text-decoration: none;
  color: var(--text);
}
.btn {
  display: inline-block;
  padding: 0.5rem 0.9rem;
  border-radius: 0.5rem;
  border: 1px solid #ddd;
  text-decoration: none;
}
.btn.primary {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}
.hero {
  margin: 3rem auto;
  text-align: center;
}
label {
  display: block;
  margin: 0.5rem 0;
}
input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 0.375rem;
}
h1,
h2,
h3 {
  margin: 0.3rem 0 0.6rem;
}
.muted {
  color: var(--muted);
}