:root{--primary:#2b52a1;--primary-dark:#1e3d7a;--primary-light:#3b63b3;--white:#fff;--text-primary:#1f2937;--text-secondary:#6b7280;--text-muted:#9ca3af;--gray-light:#f8f9fc;--gray-border:#e5e7eb;--success:#10b981;--error:#ef4444;--font-body:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-heading:"Red Hat Display", sans-serif;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:12px;--spacing-lg:16px;--spacing-xl:20px;--spacing-2xl:24px;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--radius-full:9999px;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 2px 8px #00000014;--shadow-lg:0 4px 16px #2b52a126;--transition-fast:.15s ease;--transition-normal:.25s ease}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{font-family:var(--font-body);color:var(--text-primary);background:var(--gray-light);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overscroll-behavior:none;font-size:16px;line-height:1.5}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.3}button{font-family:var(--font-body);cursor:pointer;-webkit-tap-highlight-color:transparent;border:none;outline:none}input,select,textarea{font-family:var(--font-body);font-size:inherit;-webkit-tap-highlight-color:transparent}.container{width:100%;max-width:100%;padding:var(--spacing-lg);flex-direction:column;min-height:100vh;margin:0;display:flex}.card{background:var(--white);box-shadow:none;padding:var(--spacing-lg);border-radius:0;flex:1}.btn{justify-content:center;align-items:center;gap:var(--spacing-sm);border-radius:var(--radius-md);transition:all var(--transition-fast);width:100%;min-height:52px;padding:16px 20px;font-size:16px;font-weight:600;display:flex}.btn-primary{background:var(--primary);color:var(--white);box-shadow:var(--shadow-lg)}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{background:var(--gray-border);color:var(--text-muted);box-shadow:none;cursor:not-allowed}.btn-secondary{color:var(--primary);background:0 0;border:none}.btn-secondary:active{background:#2b52a114}.btn-white{background:var(--white);color:var(--primary);box-shadow:var(--shadow-lg)}.btn-white:hover{background:var(--gray-50)}.btn-white:active{transform:scale(.98)}.input{border:1.5px solid var(--gray-border);border-radius:var(--radius-md);width:100%;transition:all var(--transition-fast);background:var(--white);padding:16px;font-size:16px}.input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #2b52a11a}.input::placeholder{color:var(--text-muted)}.input:disabled{background:var(--gray-light);cursor:not-allowed}.label{color:var(--text-primary);margin-bottom:var(--spacing-sm);font-size:14px;font-weight:600;display:block}.progress-bar{background:var(--gray-border);border-radius:var(--radius-full);width:100%;height:4px;overflow:hidden}.progress-bar-fill{background:var(--primary);border-radius:var(--radius-full);height:100%;transition:width var(--transition-normal)}.screen-content{flex:1}.screen-title{color:var(--text-primary);margin-bottom:var(--spacing-xl);font-size:22px}.screen-form{gap:var(--spacing-lg);flex-direction:column;display:flex}.screen-nav{gap:var(--spacing-md);padding-top:var(--spacing-xl);margin-top:auto;display:flex}.screen-nav .btn{flex:1}.input-row{gap:var(--spacing-md);display:flex}.input-row .input-group{flex:1}.input-group{flex-direction:column;display:flex}select.input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-position:right 16px center;background-repeat:no-repeat;padding-right:40px}input[type=checkbox]{border:2px solid var(--gray-border);width:24px;height:24px;accent-color:var(--primary);cursor:pointer;border-radius:6px;flex-shrink:0}