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

body {
  font-family:
    system-ui,
    -apple-system,
    sans-serif;
  background: #f5f5f5;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.card {
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 360px;
}

h1 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: #1a1a1a;
}

label {
  display: block;
  font-size: 0.875rem;
  color: #555;
  margin-bottom: 0.25rem;
}

input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 0.625rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

button {
  width: 100%;
  padding: 0.625rem;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 0.9375rem;
  cursor: pointer;
}

button:hover {
  background: #1d4ed8;
}

.error {
  background: #fee2e2;
  color: #991b1b;
  padding: 0.625rem;
  border-radius: 4px;
  font-size: 0.8125rem;
  margin-bottom: 1rem;
}