*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5}.app{min-height:100vh}.navbar{background-color:#2c3e50;color:#fff;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.navbar h1{font-size:1.5rem}.nav-links{display:flex;gap:1.5rem}.nav-links a{color:#fff;text-decoration:none;padding:.5rem 1rem;border-radius:4px;transition:background-color .3s}.nav-links a:hover{background-color:#34495e}.main-content{max-width:1200px;margin:2rem auto;padding:0 2rem}.home-page{text-align:center}.home-page h1{font-size:2.5rem;margin-bottom:1rem;color:#2c3e50}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:3rem}.feature{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 4px #0000001a}.feature h3{color:#2c3e50;margin-bottom:.5rem}.tournament-list{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 4px #0000001a}.tournament-card{border:1px solid #ddd;padding:1.5rem;margin-bottom:1rem;border-radius:8px;background:#f9f9f9}.tournament-card h3{color:#2c3e50;margin-bottom:1rem}.tournament-details{margin:1rem 0}.tournament-details p{margin:.5rem 0}.join-button{background-color:#3498db;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:4px;cursor:pointer;font-size:1rem;transition:background-color .3s}.join-button:hover:not(:disabled){background-color:#2980b9}.join-button:disabled{background-color:#95a5a6;cursor:not-allowed}.team-creation{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 4px #0000001a;max-width:500px}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;color:#2c3e50;font-weight:500}.form-group input{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem}button[type=submit]{background-color:#27ae60;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:4px;cursor:pointer;font-size:1rem;transition:background-color .3s}button[type=submit]:hover:not(:disabled){background-color:#229954}button[type=submit]:disabled{background-color:#95a5a6;cursor:not-allowed}.loading{text-align:center;padding:2rem;color:#7f8c8d}.no-tournaments{text-align:center;padding:2rem;color:#7f8c8d;background:#fff;border-radius:8px}