:root{--brand-primary:#09ade8;--brand-navy:#100c62;--brand-accent:#f58638;--brand-font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body,html{font-family:var(--brand-font);background:#f7fafc;color:var(--brand-navy);-webkit-tap-highlight-color:transparent}button{cursor:pointer}button,input,select,textarea{font:inherit}a{color:inherit}.page{max-width:480px;margin:0 auto;padding:24px 16px 16px;min-height:100vh;display:flex;flex-direction:column;gap:12px}.header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.title{font-size:1.5rem;font-weight:800;color:var(--brand-primary)}.subtitle{color:#4a5568;font-size:.95rem}.card{background:#fff;padding:16px;box-shadow:0 1px 3px rgba(0,0,0,.08)}.btn,.card{border-radius:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border:none;font-weight:600;transition:transform .12s,opacity .12s;min-height:48px}.btn:active{transform:scale(.97)}.btn-primary{background:var(--brand-primary);color:#fff}.btn-secondary{background:#edf2f7;color:#2d3748}.btn-outline{background:transparent;color:var(--brand-primary);border:2px solid var(--brand-primary)}.btn-block{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed}.row{align-items:center;justify-content:space-between}.col,.row{display:flex;gap:8px}.col{flex-direction:column}.muted{color:#718096;font-size:.9rem}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#edf2f7;font-size:.8rem;font-weight:600}.divider{height:1px;background:#e2e8f0;margin:8px 0}.bold{font-weight:700}.center{text-align:center}.error{background:#fff5f5;color:#c53030;padding:10px;border-radius:8px}.item-card{display:flex;justify-content:space-between;padding:12px;border-bottom:1px solid #edf2f7}.qty-control{display:flex;align-items:center;gap:8px}.qty-btn{width:32px;height:32px;border-radius:999px;background:#fff}.input,.qty-btn{border:1px solid #cbd5e0;font-size:1rem}.input{width:100%;padding:12px;border-radius:8px;min-height:48px}