.app-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:2rem;animation:fadeIn 1s ease both}.app-container h1{color:#fff;text-shadow:0 4px 20px rgba(0,0,0,.25);font-size:2.5rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}:root{--bg-start: #5b21b6;--bg-end: #7c3aed;--text-primary: #ffffff;--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial}body{font-family:var(--font-sans);background:linear-gradient(135deg,var(--bg-start),var(--bg-end));-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}