:root{--bg:#fff;--card:#fff;--text:#111;--muted:#8a8a8a;--border:#eee;--protein:#3b82f6;--fat:#f59e0b;--carbs:#eab308;--remaining:#22c55e;--radius:12px}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:-apple-system,SF Pro Text,Helvetica Neue,Arial,sans-serif}#root{background:var(--bg);max-width:430px;min-height:100vh;margin:0 auto}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px;box-shadow:0 1px 2px #0000000a}.btn{cursor:pointer;border:none;border-radius:999px;padding:8px 16px;font-weight:600}.btn-black{color:#fff;background:#000}.input{border:1px solid var(--border);border-radius:var(--radius);width:100%;padding:10px 12px;font-size:15px}.section{margin:16px 0}.section-title{margin:0 0 10px;font-size:18px;font-weight:700}.label{color:var(--muted);font-size:14px;font-weight:500}.value{font-size:20px;font-weight:700}.tabbar{border-top:1px solid var(--border);z-index:10;background:#fff;justify-content:space-around;width:100%;max-width:430px;padding:8px 0 12px;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.fab{color:#fff;cursor:pointer;background:#000;border:none;border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;font-size:26px;display:flex;position:fixed;bottom:70px;right:calc(50% - 199px);box-shadow:0 4px 12px #00000026}@media (width<=430px){.fab{right:16px}}