:root{--primary-color: #0047AB;--secondary-color: #B4161B;--success-color: #28a745;--error-color: #dc3545;--warning-color: #ffc107;--text-color: #333;--background-color: #f8f9fa;--border-color: #dee2e6;--shadow: 0 2px 8px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .15);--border-radius: 8px;--transition: all .3s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:var(--text-color);background:linear-gradient(135deg,#f5f7fa,#c3cfe2);min-height:100vh;padding:20px}.registration-form-container{max-width:800px;margin:0 auto;background:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow-lg);overflow:hidden}.form-header{background:linear-gradient(135deg,var(--primary-color) 0%,#003380 100%);color:#fff;padding:40px 30px;text-align:center}.header-image{width:100%;max-width:600px;height:auto;margin-bottom:20px;border-radius:var(--border-radius);box-shadow:var(--shadow)}.form-header h1{font-size:2rem;margin-bottom:10px;font-weight:700}.form-header .subtitle{font-size:1.1rem;opacity:.95}.registration-form{padding:40px 30px}.form-group{margin-bottom:25px}.form-group label{display:block;font-weight:600;margin-bottom:8px;color:var(--text-color);font-size:.95rem}.required-indicator{color:var(--error-color);margin-left:4px}.form-control{width:100%;padding:12px 16px;font-size:1rem;border:2px solid var(--border-color);border-radius:var(--border-radius);transition:var(--transition);font-family:inherit}.form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #0047ab1a}.form-control.error{border-color:var(--error-color)}.form-control.error:focus{box-shadow:0 0 0 3px #dc35451a}.form-text{display:block;margin-top:6px;font-size:.85rem;color:#6c757d}.error-message{display:none;color:var(--error-color);font-size:.875rem;margin-top:6px;font-weight:500}.checkbox-group{margin:30px 0}.checkbox-label{display:flex;align-items:flex-start;cursor:pointer;font-weight:400}.checkbox-label input[type=checkbox]{margin-right:10px;margin-top:4px;width:18px;height:18px;cursor:pointer}.checkbox-label a{color:var(--primary-color);text-decoration:underline}.checkbox-label a:hover{color:#003380}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 32px;font-size:1.1rem;font-weight:600;border:none;border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);font-family:inherit;text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--primary-color) 0%,#003380 100%);color:#fff;width:100%;box-shadow:var(--shadow)}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.7;cursor:not-allowed}.btn-loading{display:none;align-items:center;gap:10px}.spinner{width:18px;height:18px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.form-message{display:none;padding:14px 18px;margin-top:20px;border-radius:var(--border-radius);font-weight:500}.form-message.success{background-color:#d4edda;color:#155724;border:1px solid #c3e6cb}.form-message.error{background-color:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.form-message.info{background-color:#d1ecf1;color:#0c5460;border:1px solid #bee5eb}.prizes-info,.event-info,.share-section{padding:40px 30px;border-top:2px solid var(--border-color)}.prizes-info h2,.event-info h2,.share-section h2{font-size:1.8rem;color:var(--primary-color);margin-bottom:20px;text-align:center}.prizes-image{width:100%;max-width:600px;height:auto;margin:20px auto;display:block;border-radius:var(--border-radius);box-shadow:var(--shadow)}.prize-list{display:grid;gap:20px;margin-top:30px}.prize-item{padding:20px;background:#f8f9fa;border-radius:var(--border-radius);border-left:4px solid var(--primary-color)}.prize-item.grand-prize{background:linear-gradient(135deg,#fff5e6,#ffe6cc);border-left-color:var(--secondary-color)}.prize-item h3{font-size:1.3rem;margin-bottom:10px;color:var(--primary-color)}.prize-item.grand-prize h3{color:var(--secondary-color)}.prize-item p,.prize-item ul{font-size:.95rem;line-height:1.6}.prize-item ul{margin-left:20px;margin-top:10px}.prize-item li{margin-bottom:5px}.info-grid{display:grid;gap:20px;margin-top:20px}.info-item{display:flex;align-items:center;gap:12px;padding:16px;background:#f8f9fa;border-radius:var(--border-radius)}.info-item .icon{font-size:1.5rem}.info-item strong{margin-right:8px}.share-section{background:linear-gradient(135deg,#f5f7fa,#e9ecef)}.share-section p{text-align:center;color:#666;margin-bottom:30px}.qr-code-container{display:flex;flex-direction:column;align-items:center;gap:15px;padding:30px;background:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow);max-width:400px;margin:0 auto}#qrcode{border:3px solid var(--primary-color);border-radius:var(--border-radius);padding:10px;background:#fff}.qr-text{font-weight:600;color:var(--primary-color);font-size:1.1rem;margin:0}.share-url{display:flex;gap:10px;width:100%;margin-top:10px}.share-url input{flex:1;padding:10px;border:2px solid var(--border-color);border-radius:var(--border-radius);font-size:.9rem;background:#f8f9fa}.btn-copy{padding:10px 20px;background:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius);font-weight:600;cursor:pointer;transition:var(--transition);white-space:nowrap}.btn-copy:hover{background:#003380;transform:translateY(-2px)}.btn-copy:active{transform:translateY(0)}@media (min-width: 768px){.info-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width: 767px){body{padding:10px}.form-header{padding:30px 20px}.form-header h1{font-size:1.5rem}.form-header .subtitle{font-size:1rem}.registration-form,.prizes-info,.event-info{padding:30px 20px}.btn-primary{padding:12px 24px;font-size:1rem}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:3px solid var(--primary-color);outline-offset:2px}@media print{.btn,.form-message{display:none}body{background:#fff}.registration-form-container{box-shadow:none}}@media (prefers-color-scheme: dark){:root{--text-color: #e9ecef;--background-color: #212529;--border-color: #495057}body{background:linear-gradient(135deg,#2c3e50,#34495e)}.registration-form-container{background:#343a40;color:var(--text-color)}.form-control{background:#495057;color:var(--text-color);border-color:#6c757d}.prize-item,.info-item{background:#495057}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.registration-form-container{animation:fadeIn .5s ease-out}