:root{--primary-blue:#4a148c;--primary-blue-hover:#38006b;--primary-blue-light:#e1bee7;--primary-purple:#7b1fa2;--background:#f8fafc;--surface:#fff;--text-primary:#1f2937;--text-secondary:#6b7280;--border:#e5e7eb;--success:#10b981;--error:#ef4444;--warning:#f59e0b;--primary-yellow:#f59e0b;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}body{color:var(--text-primary);background:var(--background);min-height:100vh;margin:0;padding:0;font-family:inherit}*{box-sizing:border-box}a{color:inherit;text-decoration:none}.container{max-width:1540px;margin:0 auto;padding:0 .5rem}.btn{border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary-blue);color:#fff}.btn-primary:hover{background-color:var(--primary-blue-hover)}.btn-outline{border:1px solid var(--border);color:var(--text-primary);background-color:#0000}.btn-outline:hover{background-color:var(--background);border-color:var(--text-secondary)}.card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);padding:1.5rem}.input{border-radius:var(--radius-md);border:1px solid var(--border);background:var(--surface);width:100%;color:var(--text-primary);padding:.75rem;font-size:1rem;transition:border-color .2s}.input:focus{border-color:var(--primary-blue);box-shadow:0 0 0 3px var(--primary-blue-light);outline:none}input[type=number]{appearance:textfield}input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}h1{margin-bottom:1rem;font-size:2.25rem;font-weight:700;line-height:1.2}h2{margin-bottom:.75rem;font-size:1.875rem;font-weight:600;line-height:1.3}h3{margin-bottom:.5rem;font-size:1.5rem;font-weight:600;line-height:1.4}p{margin-bottom:1rem;line-height:1.6}