:root{--primary: #F2784B;--primary-hover: #e66a3e;--secondary: #6DBEBF;--secondary-hover: #5ca9aa;--bg-light: #f4f7f6;--text-dark: #2d3436;--text-muted: #636e72;--white: #ffffff;--error: #d63031;--success: #00b894;--shadow: 0 4px 6px rgba(0, 0, 0, .1);--radius: 8px;--transition: all .3s ease}body{font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif;margin:0;padding:0;background-color:var(--bg-light);color:var(--text-dark);line-height:1.6}*{box-sizing:border-box}h1,h2,h3{color:var(--primary);margin-top:0}.container{width:100%;max-width:1200px;margin:0 auto;padding:20px}.card{background:var(--white);padding:30px;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px}.btn{display:inline-block;padding:10px 20px;border-radius:var(--radius);border:none;cursor:pointer;font-weight:600;font-size:1rem;transition:var(--transition);text-align:center;text-decoration:none}.btn-sm{padding:6px 12px;font-size:.85rem}.btn-primary{background-color:var(--primary);color:var(--white)}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover)}.btn-secondary{background-color:var(--secondary);color:var(--white)}.btn-secondary:hover:not(:disabled){background-color:var(--secondary-hover)}.btn-danger{background-color:var(--error);color:var(--white)}.btn-danger:hover:not(:disabled){filter:brightness(.9)}.btn-warning{background-color:#feca57;color:var(--text-dark)}.btn-warning:hover:not(:disabled){background-color:#f1d302}.btn:disabled{background-color:#ccc;cursor:not-allowed}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500}.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px;border:1px solid #dfe6e9;border-radius:var(--radius);font-size:1rem;transition:var(--transition)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--secondary);box-shadow:0 0 0 2px #6dbfbf33}.form-group input.invalid,.form-group select.invalid,.form-group textarea.invalid{border-color:var(--error)}.error-text{color:var(--error);font-size:.85rem;margin-top:.25rem}.error-box{background-color:#ff767522;color:var(--error);padding:15px;border-radius:var(--radius);border:1px solid var(--error);margin:20px 0;text-align:center}.modal-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal-card{max-width:500px;width:100%;box-shadow:0 10px 25px #0003;background:var(--white);padding:30px;border-radius:var(--radius)}.modal-card h3{margin-top:0}.modal-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:2rem}.text-danger{color:var(--error)}.text-warning{color:#feca57}.success-box{background-color:#55efc422;color:var(--success);padding:15px;border-radius:var(--radius);border:1px solid var(--success);margin:20px 0;text-align:center}.table-responsive{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}table{width:100%;border-collapse:collapse;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}table th,table td{padding:15px;text-align:left;border-bottom:1px solid #dfe6e9}table th{background-color:var(--secondary);color:var(--white);font-weight:600}table tr:last-child td{border-bottom:none}table tr:hover{background-color:#f8f9fa}table tr.tournament-match{background-color:#f2784b0d}table tr.tournament-match:hover{background-color:#f2784b1a}.tournament-link{color:var(--primary);text-decoration:none;font-weight:600}.tournament-link:hover{text-decoration:underline}.desktop-only{display:block}.mobile-only{display:none}@media (max-width: 768px){.container{padding:15px}.card{padding:20px}.desktop-only{display:none!important}.mobile-only{display:block!important}}