* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: system-ui, sans-serif;
  background: #faf6f2;
  color: #2a2521;
}

.login-card {
  width: min(320px, 90vw);
  padding: 2rem;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.login-card h1 {
  margin: 0 0 1.5rem;
  font-size: 1.25rem;
  text-align: center;
}

.login-card label {
  display: block;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.login-card input {
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 1rem;
}

.login-card button {
  width: 100%;
  padding: 0.6rem;
  border: none;
  border-radius: 6px;
  background: #2a2521;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}

.login-card button:disabled {
  opacity: 0.6;
  cursor: default;
}

.error {
  color: #b3261e;
  font-size: 0.85rem;
  margin: -0.5rem 0 1rem;
}