:root{--red:#a8292d;--ink:#272321;--muted:#776f69;--paper:#f7f3ee;--card:#fff;--line:#e8ded4;--green:#18805b;--shadow:0 8px 28px #5b332417}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.45 system-ui,-apple-system,"PingFang SC",sans-serif}button,input,select{font:inherit}button{border:0;border-radius:14px;padding:13px 16px;font-weight:700;background:#eee7df;color:var(--ink)}button.primary{background:var(--red);color:#fff}button.good{background:var(--green);color:#fff}button.ghost{background:transparent;border:1px solid var(--line)}input,select{width:100%;padding:13px;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:16px}.login{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(145deg,#8f2025,#c84b42)}.login .box{width:min(420px,100%);background:#fff;padding:28px;border-radius:24px;box-shadow:var(--shadow)}.login h1{margin:0 0 6px}.login p{color:var(--muted)}.field{margin:14px 0}.shell{max-width:900px;margin:auto;padding-bottom:86px}.top{background:var(--red);color:white;padding:calc(16px + env(safe-area-inset-top)) 18px 18px;border-radius:0 0 24px 24px}.top h1{font-size:22px;margin:0}.top small{opacity:.8}.view{padding:16px}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:0 4px 18px #5b33240c}.card.full{grid-column:1/-1}.card h3{margin:0 0 12px}.metric{font-size:27px;font-weight:800}.metric small{font-size:13px;color:var(--muted)}.muted{color:var(--muted);font-size:14px}.nav{position:fixed;z-index:5;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);display:flex;justify-content:center;padding-bottom:env(safe-area-inset-bottom)}.nav div{width:min(900px,100%);display:flex}.nav button{flex:1;background:white;border-radius:0;padding:12px 4px;font-size:12px;color:var(--muted)}.nav button b{display:block;font-size:20px}.nav button.active{color:var(--red)}.actions{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.action{min-height:82px;text-align:left;background:#fff;border:1px solid var(--line)}.action b{display:block;font-size:18px}.list{display:grid;gap:10px}.row{background:#fff;border:1px solid var(--line);border-radius:15px;padding:13px;display:flex;justify-content:space-between;gap:10px;align-items:center}.row strong{display:block}.qty{font-size:22px;font-weight:800}.toolbar{display:flex;gap:8px;margin-bottom:12px}.toolbar input{flex:1}.cartbar{position:sticky;bottom:74px;background:#272321;color:#fff;padding:13px;border-radius:16px;display:flex;justify-content:space-between;align-items:center}.modal{position:fixed;z-index:9;inset:0;background:#0008;display:grid;align-items:end}.sheet{max-height:90vh;overflow:auto;background:var(--paper);border-radius:24px 24px 0 0;padding:20px}.sheet h2{margin-top:0}.scan{display:grid;place-items:center;height:180px;background:#211;color:#fff;border-radius:18px;text-align:center;padding:20px}.scan video{width:100%;height:100%;object-fit:cover;border-radius:14px}.badge{display:inline-block;border-radius:99px;padding:4px 9px;background:#eee7df;font-size:12px}.warn{color:#9b4d00}.empty{text-align:center;color:var(--muted);padding:40px 10px}#toast{position:fixed;z-index:20;top:20px;left:50%;transform:translateX(-50%);background:#272321;color:#fff;border-radius:99px;padding:10px 18px;display:none;max-width:90%;text-align:center}@media(min-width:700px){.cards{grid-template-columns:repeat(4,1fr)}.actions{grid-template-columns:repeat(4,1fr)}}