body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;min-height:100vh;color:#fff}.loader-container{text-align:center}.spinner{width:60px;height:60px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 2rem}@keyframes spin{to{transform:rotate(360deg)}}h1{font-size:2rem;font-weight:700;margin-bottom:.5rem}p{font-size:1.125rem;opacity:.9}