:root{--bg:#f6f7fb;--surface:#fff;--ink:#1a1d29;--ink-soft:#5b6072;--muted:#8a8fa3;--line:#eceef3;--line-soft:#f2f3f7;--brand:#4f46e5;--brand-soft:#eef0fe;--brand-ink:#4338ca;--green:#16a34a;--green-soft:#e7f6ec;--amber:#d97706;--amber-soft:#fdf2e2;--red:#dc2626;--red-soft:#fdecec;--blue:#0ea5e9;--blue-soft:#e6f6fd;--shadow:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06);--r:14px}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
.app{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
.sidebar{background:#0f1222;color:#c7cbe0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{display:flex;align-items:center;gap:11px;padding:20px}
.brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#6366f1,#8b5cf6);display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px}
.brand b{color:#fff;font-size:16px}.brand small{display:block;color:#7c81a0;font-size:11px;font-weight:500;margin-top:1px}
.nav{padding:6px 12px 24px;flex:1}
.nav .sec{color:#5b607e;font-size:10.5px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;padding:16px 12px 7px}
.nav a.item{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:9px;color:#c7cbe0;font-weight:500;font-size:13.5px;margin-bottom:2px}
.nav a.item:hover{background:#1a1e33;color:#fff}
.nav a.item.active{background:var(--brand);color:#fff;box-shadow:0 4px 12px rgba(79,70,229,.35)}
.nav a.item svg{width:18px;height:18px;flex:none;opacity:.9}
.nav .grp .ghead{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:9px;color:#c7cbe0;font-weight:600;font-size:13.5px;cursor:pointer;margin-bottom:2px}
.nav .grp .ghead:hover{background:#1a1e33;color:#fff}
.nav .grp .ghead svg{width:18px;height:18px;flex:none;opacity:.9}
.nav .grp .ghead .chev{margin-left:auto;width:13px;height:13px;opacity:.5;transition:transform .2s}
.nav .grp.open .ghead .chev{transform:rotate(90deg);opacity:.9}
.nav .grp .gsub{max-height:0;overflow:hidden;transition:max-height .28s ease}
.nav .grp.open .gsub{max-height:400px}
.nav .gsub a{display:block;padding:7px 12px 7px 41px;color:#9498b8;font-size:12.5px;border-radius:8px;margin-bottom:1px}
.nav .gsub a:hover{color:#fff;background:#1a1e33}
.nav .gsub a.on{color:#fff;background:#1a1e33;font-weight:600}
.nav .grp.open .ghead{color:#fff}
.main{display:flex;flex-direction:column;min-width:0}
.topbar{background:var(--surface);border-bottom:1px solid var(--line);padding:13px 28px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:20}
.crumb{font-size:13px;color:var(--muted)}.crumb b{color:var(--ink)}
.topbar .sp{flex:1}
.who{display:flex;align-items:center;gap:9px}
.who .av{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#f59e0b,#ef4444);color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px}
.who b{font-size:13px}.who small{display:block;color:var(--muted);font-size:11px}
.content{padding:24px 28px 40px;max-width:1300px;width:100%}
.pagehead{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.pagehead h1{font-size:23px;font-weight:700;letter-spacing:-.3px}.pagehead p{color:var(--ink-soft);font-size:13.5px;margin-top:3px}
.btn{display:inline-flex;align-items:center;gap:7px;border-radius:10px;padding:9px 15px;font-weight:600;font-size:13px;cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--ink)}
.btn:hover{background:var(--bg)}.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn.primary:hover{background:var(--brand-ink)}
.kstrip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}
.kc{background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:16px 18px;box-shadow:var(--shadow)}
.kc .l{color:var(--muted);font-size:12px;font-weight:600}.kc .v{font-size:24px;font-weight:760;letter-spacing:-.5px;margin-top:5px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;margin-bottom:16px}
.card-h{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;border-bottom:1px solid var(--line-soft);font-weight:680;font-size:14.5px}
.card-b{padding:18px}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;padding:11px 18px;border-bottom:1px solid var(--line-soft);background:#fbfbfd}
td{padding:12px 18px;border-bottom:1px solid var(--line-soft);font-size:13px;vertical-align:middle}
tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:#fbfbfe}
.sku{font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--ink-soft)}
.tag{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;padding:3px 9px;border-radius:20px}
.t-green{background:var(--green-soft);color:var(--green)}.t-amber{background:var(--amber-soft);color:var(--amber)}.t-red{background:var(--red-soft);color:var(--red)}.t-gray{background:#f1f2f6;color:var(--ink-soft)}.t-brand{background:var(--brand-soft);color:var(--brand-ink)}.t-blue{background:var(--blue-soft);color:var(--blue)}
.num{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
label.lbl{display:block;font-size:12.5px;font-weight:600;color:var(--ink-soft);margin-bottom:6px}
.inp,select.inp{width:100%;border:1px solid var(--line);border-radius:9px;padding:9px 12px;font-size:13.5px;font-family:inherit;outline:none;background:var(--surface);color:var(--ink)}
.inp:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.fg{margin-bottom:14px}
.hint{font-size:11.5px;color:var(--muted)}
.flash{padding:11px 16px;border-radius:10px;font-size:13px;font-weight:600;margin-bottom:16px}
.flash.ok{background:var(--green-soft);color:var(--green)}
.flash.err{background:var(--red-soft);color:var(--red)}
/* login */
.auth{display:grid;grid-template-columns:1.05fr 1fr;min-height:100vh}
.auth .brandside{background:linear-gradient(155deg,#0f1222,#1e1b4b 55%,#4f46e5 130%);color:#fff;padding:48px 56px;display:flex;flex-direction:column;justify-content:center}
.auth .brandside h1{font-size:32px;font-weight:780;line-height:1.15;max-width:440px}
.auth .brandside p{font-size:15px;opacity:.9;margin-top:14px;max-width:420px}
.auth .formside{display:flex;align-items:center;justify-content:center;padding:40px 28px}
.auth .formcard{width:100%;max-width:360px}
.auth h2{font-size:23px;font-weight:740}.auth .lead{color:var(--ink-soft);font-size:13.5px;margin:6px 0 22px}
.auth .btn{width:100%;justify-content:center;padding:12px;font-size:14px;margin-top:6px}
.auth .err{background:var(--red-soft);color:var(--red);padding:10px 13px;border-radius:9px;font-size:13px;margin-bottom:14px}
@media(max-width:900px){.auth{grid-template-columns:1fr}.auth .brandside{display:none}}
@media(max-width:1000px){.kstrip{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.app{grid-template-columns:1fr}.sidebar{display:none}}