:root{--bg:#fff;--text:#111;--text-muted:#555;--green:#a8ff00;--green-dark:#8fd600;--green-soft:#f3ffe0;--border:#d8d8d8;--danger:#c0392b;--radius:12px;--shadow:0 2px 10px #0000000f;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:Segoe UI,Noto Sans,system-ui,sans-serif;line-height:1.45}*,:before,:after{box-sizing:border-box}html,body,#root{background:var(--bg);min-height:100%;color:var(--text);margin:0}button,input,select,textarea{font:inherit;color:inherit}h1,h2,h3,p{margin:0}.app-shell{flex-direction:column;min-height:100vh;display:flex}.page{flex:1;width:min(920px,100%);margin:0 auto;padding:1.25rem 1.25rem 2rem}.page-wide{width:min(1100px,100%)}.btn{border-radius:var(--radius);background:var(--green);color:#111;cursor:pointer;border:2px solid #0000;justify-content:center;align-items:center;gap:.5rem;min-height:48px;padding:.7rem 1.25rem;font-weight:600;transition:background .15s,transform 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