:root{--yolk: #f6b40a;--yolk-dark: #c98a00;--shell: #fff7e6;--on-primary: #3a2a00;--primary-container: #ffe0a3;--secondary: #7a5c00;--surface: #ffffff;--surface-low: #fffbf2;--surface-container: #fbefd6;--surface-high: #f7e9c8;--surface-variant: #eee0c4;--outline: #d8c8a4;--text: #291800;--text-muted: #7a6a45;--danger: #b3261e;--radius: 14px;--maxw: 720px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--shell);color:var(--text);-webkit-font-smoothing:antialiased}button{font:inherit;cursor:pointer;border:none;border-radius:10px;padding:10px 14px;background:var(--surface-high);color:var(--text)}button.primary{background:var(--yolk);color:var(--on-primary);font-weight:600}button.ghost{background:transparent}button:disabled{opacity:.5;cursor:default}input,select{font:inherit;padding:10px 12px;border:1px solid var(--outline);border-radius:10px;background:var(--surface);color:var(--text);width:100%}.app{max-width:var(--maxw);margin:0 auto;min-height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--yolk);color:var(--on-primary);position:sticky;top:0;z-index:5}.topbar h1{font-size:17px;margin:0;font-weight:700}.topbar select{width:auto;background:#ffffffa6;border-color:transparent}.topbar .spacer{flex:1}.content{flex:1;padding:16px}.tabbar{display:flex;border-top:1px solid var(--outline);background:var(--surface-low);position:sticky;bottom:0}.tabbar button{flex:1;background:transparent;border-radius:0;padding:12px 6px;color:var(--text-muted);font-size:13px;display:flex;flex-direction:column;align-items:center;gap:3px}.tabbar button.active{color:var(--yolk-dark);font-weight:700}.card{background:var(--surface);border:1px solid 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