:root{
  --bg:#f4f6f8;--card:#fff;--ink:#1c2530;--dim:#7a8794;--line:#e3e8ee;
  --accent:#2b6cb0;--accent-d:#22568c;--good:#2f855a;--good-bg:#e6f4ec;
  --warn:#b7791f;--warn-bg:#fdf6e3;--bad:#c53030;--bad-bg:#fdecec;
  --raw:#3182ce;--pkg:#805ad5;--semi:#dd6b20;
  --shadow:0 1px 3px rgba(20,40,70,.08),0 4px 16px rgba(20,40,70,.06);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Segoe UI,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}
.hidden{display:none!important}
.dim{color:var(--dim);font-weight:400}
.warn{color:var(--warn)}

/* 登录 */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#eef3f9,#e6ecf3)}
.login-card{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:36px 32px;width:320px;text-align:center}
.login-card h1{margin:0;font-size:22px}
.login-sub{color:var(--dim);margin:4px 0 24px;font-size:13px}
.login-card input{width:100%;padding:12px 14px;margin-bottom:12px;border:1px solid #c6d0da;border-radius:9px;font-size:15px}
.login-card input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(43,108,176,.12)}
.login-card button{width:100%;padding:12px;background:var(--accent);color:#fff;border:none;border-radius:9px;font-size:15px;font-weight:600;cursor:pointer}
.login-card button:disabled{opacity:.6}
.login-err{color:var(--bad);font-size:13px;margin-top:10px;min-height:18px}

/* 顶栏 */
.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:13px 22px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.tb-left b{font-size:17px}
.tb-right{display:flex;align-items:center;gap:14px}
.who{font-size:13px;color:var(--dim)}
.tb-link{background:none;border:none;color:var(--accent-d);cursor:pointer;font-size:13px;font-weight:600;text-decoration:none}

main{max-width:1000px;margin:20px auto;padding:0 16px;display:flex;flex-direction:column;gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow)}
.card h2{font-size:15px;margin:0 0 4px}
.hint{color:var(--dim);font-size:13px;margin:2px 0 14px}

.stock-banner{background:var(--good-bg);border:1px solid #cbe6d5;color:var(--good);border-radius:9px;padding:9px 12px;font-size:13px;margin-bottom:10px}
.target-summary{background:#f7f9fb;border:1px solid var(--line);border-radius:9px;padding:11px 14px;font-size:14px;margin-bottom:12px}

/* 上传 */
.up-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.uploader{border:2px dashed #c6d0da;border-radius:11px;padding:16px;text-align:center;cursor:pointer;background:#fafbfc;transition:.15s}
.uploader:hover{border-color:var(--accent);background:#eef4fb}
.up-role{font-weight:600;margin-bottom:5px}
.up-name{font-size:12px;color:var(--dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.up-name.has{color:var(--good);font-weight:600}

/* 查询 */
.query-row{display:flex;gap:10px;margin-bottom:12px}
.autocomplete{position:relative;flex:1}
#productInput{width:100%;padding:11px 14px;border:1px solid #c6d0da;border-radius:9px;font-size:14px}
#productInput:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(43,108,176,.12)}
.suggestions{position:absolute;top:105%;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:9px;box-shadow:var(--shadow);z-index:10;max-height:320px;overflow-y:auto}
.sug{padding:9px 14px;cursor:pointer}.sug:hover{background:#eef4fb}
.btn{padding:10px 16px;border:1px solid var(--line);border-radius:9px;background:#fff;cursor:pointer;font-size:13px;font-weight:600}
.btn:hover{background:#f2f5f8}.btn.ghost{color:var(--accent-d)}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.primary:hover{background:var(--accent-d)}
.btn.big{padding:12px 28px;font-size:15px}
.btn:disabled{opacity:.6;cursor:default}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.chip{background:#eef4fb;color:var(--accent-d);border:1px solid #cfe0f2;border-radius:16px;padding:5px 12px;font-size:13px;display:inline-flex;align-items:center;gap:6px}
.chip button{background:none;border:none;color:var(--accent);cursor:pointer;font-size:16px;line-height:1;padding:0}
.msg{margin-top:10px;font-size:13px}

/* 结果 */
.results{display:flex;flex-direction:column;gap:16px}
.result-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.rc-head{display:flex;justify-content:space-between;align-items:center;padding:15px 18px;background:#f7f9fb;border-bottom:1px solid var(--line)}
.rc-name{font-size:16px;font-weight:700}
.rc-meta{font-size:12px;color:var(--dim);margin-top:2px}
.rc-big{text-align:right}.rc-num{font-size:32px;font-weight:800;color:var(--good)}
.rc-big.issue .rc-num{color:var(--warn)}
.rc-unit{font-size:14px;color:var(--dim);margin-left:3px}
.rc-note{padding:8px 18px;font-size:12.5px;background:#eef4fb;color:var(--accent-d);border-bottom:1px solid var(--line)}
.rc-note.warn{background:var(--warn-bg);color:var(--warn)}
.rc-table{width:100%;border-collapse:collapse;font-size:13px}
.rc-table th,.rc-table td{padding:9px 12px;text-align:left;border-bottom:1px solid #eef1f4}
.rc-table th{background:#fafbfc;color:var(--dim);font-weight:600;font-size:12px}
.rc-table .num{text-align:right;font-variant-numeric:tabular-nums}
.rc-table .strong{font-weight:700}
.cn small{display:block;color:var(--dim);font-size:11px}
tr.bottleneck{background:#fff6f6}tr.bottleneck .strong{color:var(--bad)}
tr.row-missing{background:var(--bad-bg)}tr.row-none{background:#f4f4f5;color:var(--dim)}
.kind{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600;color:#fff}
.kind-raw{background:var(--raw)}.kind-pkg{background:var(--pkg)}.kind-semi{background:var(--semi)}
.st-ok{color:var(--good)}.st-bad{color:var(--bad);font-weight:700}.st-dim{color:var(--dim)}
.empty{padding:26px;text-align:center;color:var(--dim);background:#fafbfc;border-radius:10px}
.foot{text-align:center;color:var(--dim);font-size:12px;padding:20px}

/* admin */
.adm-section{margin-bottom:14px}
.adm-file{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.status-box{background:#f7f9fb;border:1px solid var(--line);border-radius:9px;padding:12px 14px;font-size:13px;margin-top:10px}
.status-box b{color:var(--good)}

@media(max-width:640px){.up-grid{grid-template-columns:1fr}.rc-head{flex-direction:column;align-items:flex-start;gap:6px}.rc-big{text-align:left}}