:root{--primary-color: #6366f1;--secondary-color: #a855f7;--bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--glass-bg: rgba(255, 255, 255, .9);--glass-border: rgba(255, 255, 255, .3);--text-color: #1f2937}*,*:before,*:after{box-sizing:border-box}html,body{overflow-x:hidden;width:100%;overscroll-behavior-y:none}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background:var(--bg-gradient);min-height:100vh;color:var(--text-color)}#app{width:100%;max-width:1200px;margin:0 auto;padding:2rem}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;border:1px solid var(--glass-border);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;padding:2rem}.btn{background:linear-gradient(to right,var(--primary-color),var(--secondary-color));color:#fff;border:none;padding:.75rem 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