:root{--primary-color: #6366f1;--primary-hover: #4f46e5;--secondary-color: #ec4899;--background-start: #0f172a;--background-end: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--glass-bg: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .37);--card-radius: 16px;--transition-speed: .3s;--font-family: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:linear-gradient(135deg,var(--background-start),var(--background-end));color:var(--text-primary);min-height:100vh;display:flex;justify-content:center;align-items:flex-start;padding:2rem;overflow-x:hidden}#root{width:100%;max-width:600px}h1,h2,h3{font-weight:700;line-height:1.2}h1{font-size:2rem;margin-bottom:1.5rem;background:linear-gradient(to right,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;background-clip:text;color:transparent;text-align:center}button{cursor:pointer;border:none;font-family:inherit;transition:all var(--transition-speed) ease}.glass-card{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--card-radius);padding:1.5rem;box-shadow:var(--glass-shadow);margin-bottom:1.5rem}.btn-primary{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;width:100%;font-size:1rem;margin-top:1rem;box-shadow:0 4px 15px #6366f166}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #6366f199}.btn-primary:active{transform:translateY(0)}.fade-in{animation:fadeIn .5s ease-out forwards;opacity:0}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}