*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:#2c3e50;background:#f8f9fa}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;margin-bottom:.5rem}p{margin-bottom:1rem}a{color:#667eea;text-decoration:none;transition:color .3s ease}a:hover{color:#764ba2}input,select,textarea{font-family:inherit}button{font-family:inherit;cursor:pointer}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.d-flex{display:flex}.d-grid{display:grid}.d-block{display:block}.d-none{display:none}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.justify-around{justify-content:space-around}.align-center{align-items:center}.align-start{align-items:flex-start}.align-end{align-items:flex-end}.w-full{width:100%}.h-full{height:100%}.mb-1{margin-bottom:.25rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:1rem}.mb-4{margin-bottom:1.5rem}.mb-5{margin-bottom:2rem}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:1rem}.mt-4{margin-top:1.5rem}.mt-5{margin-top:2rem}.p-1{padding:.25rem}.p-2{padding:.5rem}.p-3{padding:1rem}.p-4{padding:1.5rem}.p-5{padding:2rem}.card{background:#fff;border-radius:16px;padding:2rem;box-shadow:0 5px 20px #00000014;transition:transform .3s ease,box-shadow .3s ease}.card:hover{transform:translateY(-2px);box-shadow:0 8px 30px #0000001f}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border:none;border-radius:12px;font-weight:600;font-size:1rem;text-decoration:none;transition:all .3s ease;cursor:pointer;gap:.5rem;min-height:3rem}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px #667eea4d}.btn-secondary{background:#f8f9fa;color:#495057;border:2px solid #e9ecef}.btn-secondary:hover{background:#e9ecef;transform:translateY(-1px)}.btn-danger{background:linear-gradient(135deg,#ff6b6b,#ee5a24);color:#fff}.btn-danger:hover{transform:translateY(-2px);box-shadow:0 8px 25px #ff6b6b4d}.btn-success{background:linear-gradient(135deg,#2ecc71,#27ae60);color:#fff}.btn-success:hover{transform:translateY(-2px);box-shadow:0 8px 25px #2ecc714d}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;font-weight:600;color:#2c3e50}.form-control{width:100%;padding:1rem;border:2px solid #e1e8ed;border-radius:12px;font-size:1rem;transition:all .3s ease;background:#f8f9fa}.form-control:focus{outline:none;border-color:#667eea;background:#fff;box-shadow:0 0 0 3px #667eea1a}.form-control.error{border-color:#e74c3c;background:#fdf2f2}.error-message{color:#e74c3c;font-size:.85rem;font-weight:500;margin-top:.25rem}.spinner{width:1rem;height:1rem;border:2px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 1200px){.container{max-width:100%;padding:0 2rem}}@media (max-width: 768px){.container{padding:0 1rem}.btn{padding:.75rem 1rem;font-size:.9rem}.card{padding:1.5rem}}@media (max-width: 480px){.container{padding:0 .5rem}h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.25rem}.card{padding:1rem}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}*:focus-visible{outline:2px solid #667eea;outline-offset:2px}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a1a1a1}