* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #0f1115;
  color: #e6e8eb;
}

.login-card {
  width: 320px;
  background: #171a21;
  border: 1px solid #262b35;
  border-radius: 10px;
  padding: 28px 24px;
}

.login-card h1 {
  margin: 0 0 2px 0;
  font-size: 1.2rem;
}

.subtitle {
  margin: 0 0 20px 0;
  color: #9aa4b2;
  font-size: 0.85rem;
}

.login-card label {
  display: block;
  font-size: 0.8rem;
  color: #9aa4b2;
  margin: 12px 0 4px 0;
}

.login-card input {
  width: 100%;
  padding: 8px;
  background: #1b1f27;
  color: #e6e8eb;
  border: 1px solid #303645;
  border-radius: 6px;
}

.login-card button {
  width: 100%;
  margin-top: 18px;
  padding: 9px;
  background: #2563eb;
  color: white;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}

.login-card button:hover {
  background: #1d4ed8;
}

.error {
  background: #3a1a1a;
  color: #f87171;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  margin: 0 0 12px 0;
}