:root{--background:#0f1115;--surface:#ffffff08;--surface-hover:#ffffff14;--border:#ffffff14;--primary:#3b82f6;--primary-glow:#3b82f680;--text-main:#f8fafc;--text-muted:#94a3b8;--success:#10b981;--danger:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--text-main);flex-direction:column;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;display:flex}h1,h2,h3{letter-spacing:-.02em;font-weight:600}.glass{background:var(--surface);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:16px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.6s cubic-bezier(.16,1,.3,1) forwards fadeIn}.btn-primary{background:var(--primary);color:#fff;cursor:pointer;box-shadow:0 0 15px var(--primary-glow);border:none;border-radius:8px;padding:10px 20px;font-weight:500;transition:all .3s}.btn-primary:hover{box-shadow:0 0 25px var(--primary-glow);transform:translateY(-2px)}