* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #1a1a2e;
  color: #eee;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}
.login-box {
  background: #16213e;
  padding: 48px;
  border-radius: 12px;
  text-align: center;
  width: 360px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.login-box h1 { font-size: 24px; margin-bottom: 4px; }
.login-box p { color: #888; margin-bottom: 24px; font-size: 14px; }
.login-box input {
  width: 100%; padding: 12px; border-radius: 6px;
  border: 1px solid #333; background: #0f3460; color: #eee;
  font-size: 16px; margin-bottom: 12px; outline: none;
}
.login-box input:focus { border-color: #e94560; }
.login-box button {
  width: 100%; padding: 12px; border-radius: 6px;
  border: none; background: #e94560; color: white;
  font-size: 16px; font-weight: 600; cursor: pointer;
}
.login-box button:hover { background: #d63851; }
.error { color: #e94560; margin-top: 12px; font-size: 14px; }