:root{--bg:#f4f7fc;--side:#071528;--card:#fff;--text:#12213a;--muted:#6c7890;--line:#e1e8f2;--blue:#1673ed;--soft:#eaf3ff}
body.dark{--bg:#081322;--side:#06101e;--card:#101f32;--text:#f2f7ff;--muted:#91a3bd;--line:#253750;--soft:#132b49}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif}
.app{min-height:100vh;display:grid;grid-template-columns:250px 1fr}
aside{position:sticky;top:0;height:100vh;background:var(--side);color:#fff;padding:26px 18px;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-weight:800}
.brand img{width:45px;height:45px;border-radius:15px}
.brand small{display:block;color:#8ca7c7;font-size:11px;margin-top:4px;font-weight:500}
nav{margin-top:30px;display:grid;gap:5px}
nav p{text-transform:uppercase;color:#587493;font-size:10px;letter-spacing:1.2px;margin:17px 13px 6px}
nav button{border:0;border-radius:9px;padding:11px 13px;text-align:left;background:transparent;color:#a9bdd5;cursor:pointer}
nav button:hover,nav button.active{background:#173b69;color:#fff}
.safe{margin-top:auto;border-top:1px solid #1d344d;padding:18px 10px;font-size:13px}
.safe i{display:inline-block;width:8px;height:8px;border-radius:50%;background:#63d48a;margin-right:8px}
.safe small{display:block;color:#8097b2;margin-top:7px}
.page{min-width:0;display:flex;min-height:100vh;flex-direction:column}
header{height:72px;padding:0 38px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;background:var(--card)}
header button{border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:9px;padding:10px 14px;cursor:pointer}
.spacer{flex:1}
.login{background:var(--blue)!important;color:#fff!important;border-color:var(--blue)!important}
main{width:min(1400px,100%);margin:auto;padding:32px 38px;flex:1}
.hero{min-height:210px;border-radius:26px;padding:38px;color:#fff;background:linear-gradient(125deg,#0a4fb2,#2387ff);display:flex;justify-content:space-between;align-items:center;overflow:hidden}
.hero p{opacity:.8;margin:0 0 10px}
.hero h1{font-size:36px;margin:0 0 12px}
.hero span{opacity:.86}
.hero img{width:150px;height:150px;border-radius:38px;filter:drop-shadow(0 18px 35px #002b7066)}
.title{display:flex;align-items:end;justify-content:space-between;margin:34px 0 18px}
.title h2{margin:0 0 5px}
.title p{margin:0;color:var(--muted);font-size:13px}
.title input{width:320px;padding:12px 15px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--text)}
.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}
.product{border:1px solid var(--line);border-radius:22px;background:var(--card);overflow:hidden;cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s;text-align:left;padding:14px;color:var(--text)}
.product:hover{transform:translateY(-3px);border-color:#b9d5fa;box-shadow:0 14px 34px #1737651c}
.product-image{width:100%;display:block;aspect-ratio:1/1;border-radius:24px;background:linear-gradient(145deg,var(--soft),var(--card));overflow:hidden}
.product img{width:100%;height:100%;display:block;object-fit:cover;border-radius:inherit;background:#fff;transform:scale(1.015)}
.product div{padding:16px 2px 2px}
.product strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.product small{display:block;color:var(--muted);margin-top:8px}
.product em{font-style:normal;color:var(--blue);font-weight:700}
.loading,.empty{grid-column:1/-1;text-align:center;color:var(--muted);padding:70px}
.category-empty{background:var(--card);border:1px dashed var(--line);border-radius:22px}
.category-empty strong,.category-empty small{display:block}
.category-empty strong{color:var(--text);font-size:18px;margin-bottom:10px}
.manual-entry{position:relative;margin:32px 0 8px;padding:30px;border:1px solid #2d69aa;border-radius:26px;overflow:hidden;color:#fff;background:radial-gradient(circle at 82% 12%,#2788ff55,transparent 34%),linear-gradient(135deg,#07162b 0%,#0b2850 62%,#0e4f91 100%);display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:28px;box-shadow:0 18px 45px #04142b2c}
.manual-entry[hidden]{display:none}
.manual-entry::after{content:"";position:absolute;right:-90px;bottom:-120px;width:300px;height:300px;border:1px solid #55a4ff42;border-radius:50%;box-shadow:0 0 0 42px #55a4ff0b,0 0 0 86px #55a4ff08;pointer-events:none}
.manual-entry-copy,.manual-flow,.manual-safety{position:relative;z-index:1}
.manual-eyebrow{display:inline-block;margin-bottom:11px;color:#74b8ff;font-size:11px;font-weight:800;letter-spacing:1.8px}
.manual-entry h2{margin:0 0 11px;font-size:30px}
.manual-entry-copy>p{max-width:660px;margin:0;color:#c8daf0;line-height:1.75}
.manual-badges{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.manual-badges span{padding:7px 11px;border:1px solid #68afff3f;border-radius:999px;background:#308cff18;color:#ddebff;font-size:12px}
.manual-entry-copy button{border:0;border-radius:11px;padding:12px 18px;background:#2584f5;color:#fff;font-weight:750;cursor:pointer;box-shadow:0 9px 22px #0064db4d}
.manual-flow{display:grid;gap:10px;align-content:center}
.manual-flow article{display:flex;align-items:center;gap:13px;padding:14px;border:1px solid #83bfff26;border-radius:15px;background:#06162a8f;backdrop-filter:blur(8px)}
.manual-flow b{display:grid;place-items:center;flex:0 0 40px;height:40px;border-radius:12px;background:#1673ed;color:#fff;font-size:12px}
.manual-flow strong,.manual-flow small{display:block}
.manual-flow small{margin-top:5px;color:#9fb8d7}
.manual-safety{grid-column:1/-1;display:flex;gap:12px;align-items:flex-start;padding:13px 15px;border-radius:13px;background:#65aaff14;color:#c3d9f3;font-size:12px;line-height:1.55}
.manual-safety strong{flex:0 0 auto;color:#fff}
.back{border:0;background:none;color:var(--blue);padding:0;cursor:pointer;margin-bottom:18px}
.detail-grid{display:grid;grid-template-columns:minmax(0,1.5fr) 380px;gap:20px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px}
.product-head{display:flex;gap:16px;align-items:center;margin-bottom:22px}
.product-head img{width:76px;height:76px;border-radius:21px;object-fit:cover;background:#fff;box-shadow:0 8px 20px #10294a20}
.product-head h1{margin:0 0 6px}
.product-head p{margin:0;color:var(--muted)}
.sku-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}
.sku{padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--text);text-align:left;cursor:pointer}
.sku.selected{border-color:var(--blue);background:var(--soft)}
.sku b{display:block;margin-top:8px;color:var(--blue)}
.summary h2{margin-top:0}
.field{margin:15px 0}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:7px}
.field input,.field select{width:100%;padding:11px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text)}
.total{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:18px;padding-top:18px}
.total strong{font-size:22px;color:var(--blue)}
.continue{width:100%;margin-top:18px;padding:13px;border:0;border-radius:10px;background:var(--blue);color:#fff;cursor:pointer}
.notice{padding:12px 15px;background:#e9f8ef;color:#187147;border-radius:10px;margin-bottom:16px}
footer{text-align:center;color:var(--muted);font-size:12px;padding:24px}
@media(max-width:850px){.app{grid-template-columns:1fr}aside{display:none}main{padding:22px}.hero{padding:28px}.hero img{display:none}.manual-entry{grid-template-columns:1fr;padding:23px}.manual-safety{grid-column:auto}.title{align-items:stretch;gap:14px;flex-direction:column}.title input{width:100%}.detail-grid{grid-template-columns:1fr}header{padding:0 20px}.product{padding:12px}}