body {
  margin: 0;
  font-family: 'Montserrat', sans-serif;
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
  color: #fff;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo {
  width: 120px;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(30, 60, 114, 0.25);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(2px);
}

.welcome-screen {
  background: rgba(255,255,255,0.10);
  border-radius: 32px;
  box-shadow: 0 8px 32px rgba(30, 60, 114, 0.25);
  padding: 2.5rem 2rem;
  max-width: 480px;
  width: 100%;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.18);
}

.welcome-screen h1 {
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 12px #1e3c72cc;
  margin-bottom: 1.2rem;
}

.welcome-screen p {
  max-width: 400px;
  color: #e0e6f6;
  font-size: 1.08rem;
  margin-bottom: 2rem;
  text-shadow: 0 1px 4px #1e3c7255;
}

.btn-warning {
  font-size: 1.15rem;
  letter-spacing: 1px;
  box-shadow: 0 4px 16px #1e3c7233;
  transition: all 0.22s cubic-bezier(.4,2,.3,1);
  border-radius: 12px;
  border: none;
  background: linear-gradient(90deg, #ffb347 0%, #ffcc80 100%);
  color: #1e3c72;
  font-weight: 600;
  padding: 0.75rem 2.2rem;
}

.btn-warning:hover, .btn-warning:focus {
  transform: scale(1.07);
  background: linear-gradient(90deg, #ffcc80 0%, #ffb347 100%);
  color: #2a5298;
  box-shadow: 0 8px 24px #1e3c7266;
}

@media (max-width: 600px) {
  .welcome-screen {
    padding: 1.2rem 0.5rem;
    max-width: 98vw;
    border-radius: 18px;
  }
  .logo {
    width: 80px;
    border-radius: 12px;
  }
  .welcome-screen h1 {
    font-size: 1.5rem;
  }
  .welcome-screen p {
    font-size: 0.98rem;
  }
  .btn-warning {
    font-size: 1rem;
    padding: 0.6rem 1.2rem;
  }
}