*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;font-size:clamp(.9rem,2.5vw,1rem);background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}.primary-btn,button.primary-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:12px;padding:clamp(12px,3vw,16px) clamp(24px,6vw,32px);font-weight:600;font-size:clamp(.9rem,2.5vw,1rem);cursor:pointer;transition:all .3s ease;touch-action:manipulation;min-height:44px;min-width:44px}.primary-btn:hover,button.primary-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px #667eea66}.page-header{text-align:center;margin-bottom:35px}.page-header h1{color:#1e3a8a;font-size:2.5rem;font-weight:800;line-height:.3}.page-header p{color:#64748b;margin:0;font-size:1.3rem;font-weight:400}.content-card{background:#fffffff2;backdrop-filter:blur(20px);border-radius:20px;box-shadow:0 20px 40px #0000001a;border:1px solid rgba(255,255,255,.2);overflow:hidden;margin-bottom:24px}.card-header{padding:clamp(20px,5vw,32px);border-bottom:1px solid rgba(0,0,0,.05);background:#ffffff80}.card-header h2{color:#1e3a8a;margin:0 0 8px;font-size:clamp(1.3rem,4vw,1.8rem)}.card-body{padding:clamp(20px,5vw,32px)}@media (min-width: 768px){body{font-size:1rem}}.loader-container{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#ffffffe6;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:9999}.spinner{position:relative;width:60px;height:60px}.spinner-ring{position:absolute;width:100%;height:100%;border:3px solid transparent;border-top-color:#2563eb;border-radius:50%;animation:spin 1.2s cubic-bezier(.5,0,.5,1) infinite}.spinner-ring:nth-child(1){animation-delay:-.45s;border-top-color:#2563eb}.spinner-ring:nth-child(2){animation-delay:-.3s;border-top-color:#3b82f6;opacity:.8}.spinner-ring:nth-child(3){animation-delay:-.15s;border-top-color:#60a5fa;opacity:.6}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-text{margin-top:20px;font-size:14px;color:#64748b;font-weight:500;letter-spacing:.5px;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}