:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;color:#0f172a;background-color:#f1f5f9;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;background-color:#f1f5f9}#root{min-height:100vh}a{color:inherit;text-decoration:none}button{border-radius:999px;border:none;padding:.65rem 1.25rem;font-size:1rem;font-weight:600;font-family:inherit;background-color:#2563eb;color:#fff;cursor:pointer;transition:transform .1s ease,box-shadow .1s ease;box-shadow:0 8px 16px -10px #2563ebcc}button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 12px 20px -12px #2563ebe6}button:disabled{opacity:.6;cursor:not-allowed;box-shadow:none}input{border-radius:10px;border:1px solid #cbd5f5;padding:.65rem .75rem;font-size:1rem;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;background:#fff}input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px #2563eb26}.app-shell{min-height:100vh;background:#f8fafc;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:#fffc;border-bottom:1px solid #e2e8f0;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);position:sticky;top:0;z-index:10}.app-brand{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.1rem;color:#0f172a}.app-nav{display:flex;gap:.5rem}.nav-link{padding:.5rem .85rem;border-radius:999px;color:#1e293b;font-weight:600;transition:background-color .2s ease,color .2s ease}.nav-link:hover{background:#e2e8f0}.nav-link.active{background:#2563eb;color:#fff}.app-main{flex:1;width:min(960px,100%);margin:0 auto;padding:2rem 1rem 3rem;display:flex;flex-direction:column;gap:1.5rem}.stack{display:flex;flex-direction:column;gap:1.5rem}.card{background:#fff;border-radius:16px;padding:1.75rem;box-shadow:0 12px 32px -16px #0f172a33;border:1px solid #e2e8f0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:1rem}.page-heading{display:flex;flex-direction:column;gap:.35rem}.page-heading h1{margin:0}.muted{color:#64748b;margin:0}.text-link{color:#2563eb;font-weight:600}.text-link:hover{text-decoration:underline}.piggy-form{display:flex;flex-direction:column;gap:1rem;margin-top:1.5rem}.input-control{display:flex;flex-direction:column;gap:.5rem}.input-control label{font-weight:600;color:#0f172a}.form-error{margin:0;color:#dc2626;font-weight:600}.status-text{margin:0;color:#475569}.status-text.error{color:#dc2626}.piggy-bank-grid{list-style:none;padding:0;margin:1.5rem 0 0;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.piggy-bank-card{display:flex;flex-direction:column;justify-content:space-between;gap:1rem;background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;padding:1.25rem}.piggy-bank-name{font-weight:700;font-size:1.05rem;color:#0f172a}.piggy-bank-balance{font-size:1.4rem;font-weight:700;color:#1d4ed8;margin-top:.35rem}.piggy-bank-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;align-items:center}.piggy-bank-actions button{padding:.55rem .75rem}.balance-display{font-weight:700;text-align:center;color:#0f172a}.footnote{margin-top:1rem;font-size:.9rem;color:#94a3b8}@media (max-width: 640px){.app-header{flex-direction:column;align-items:flex-start;gap:.75rem}.app-nav{width:100%;justify-content:flex-start}.piggy-bank-grid{margin-top:1rem;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}}