#app{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto;padding:20px}.btn{display:inline-block;padding:12px 24px;border:none;border-radius:8px;font-size:16px;font-weight:500;cursor:pointer;transition:all .3s ease;text-decoration:none}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(102,126,234,.4)}.btn-secondary{background:#f0f0f0;color:#333}.btn-secondary:hover{background:#e0e0e0}.card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 8px rgba(0,0,0,.1);transition:all .3s ease}.card:hover{box-shadow:0 4px 16px rgba(0,0,0,.15);transform:translateY(-2px)}.loading{padding:40px;font-size:18px}.empty-state,.loading{text-align:center;color:#fff}.empty-state{padding:60px 20px}.empty-state h3{font-size:24px;margin-bottom:12px}.empty-state p{font-size:16px;opacity:.8}