:root{
  --ink:#10252F; --ink-2:#1B3A49; --pipe:#1473A8; --pipe-d:#0E5A85; --copper:#B4632C;
  --ok:#2A7A58; --out:#B3392F; --low:#B4632C;
  --bg:#EDF2F4; --panel:#fff; --line:#D5DEE3; --muted:#5B7280; --text:#16303C;
}
*{box-sizing:border-box}
html{font-size:16px}
body{margin:0;background:var(--bg);color:var(--text);font-family:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.5;font-variant-numeric:tabular-nums}
a{color:var(--pipe-d)}
:focus-visible{outline:3px solid #7FC0E6;outline-offset:2px}

.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}
.side{background:var(--ink);color:#DCE8EE;padding:20px 14px;display:flex;flex-direction:column;gap:20px;position:sticky;top:0;height:100vh}
.brand{display:flex;gap:10px;align-items:center;color:#fff;text-decoration:none;font-weight:600;font-size:1.05rem;padding:0 8px;line-height:1.2}
.brand svg{color:#E3A06E;flex:none}
.side nav{display:flex;flex-direction:column;gap:2px}
.side nav a{color:#B8CDD8;text-decoration:none;padding:9px 12px;border-radius:6px;border-left:3px solid transparent}
.side nav a:hover{background:var(--ink-2);color:#fff}
.side nav a.on{background:var(--ink-2);color:#fff;border-left-color:#E3A06E;font-weight:500}
.who{margin-top:auto;padding:0 8px;font-size:.9rem;color:#9DB5C2}
.who a{color:#E3A06E}

.main{padding:28px 32px 60px;max-width:1200px;width:100%}
h1{font-size:1.6rem;margin:0 0 4px;font-weight:600}
h2{font-size:1.15rem;margin:0 0 12px;font-weight:600}
.sub{color:var(--muted);margin:0 0 22px}
.head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.head .sub{margin:0}
.actions{display:flex;gap:8px;flex-wrap:wrap}

.btn{display:inline-block;background:var(--pipe);color:#fff;border:0;padding:9px 16px;border-radius:6px;font:inherit;font-weight:500;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--pipe-d)}
.btn.alt{background:#fff;color:var(--pipe-d);border:1px solid var(--line)}
.btn.alt:hover{background:#F4F8FA}
.btn.danger{background:#fff;color:var(--out);border:1px solid #E5C2BE}
.btn.danger:hover{background:#FBF1F0}
.btn.small{padding:5px 10px;font-size:.88rem}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px 20px;margin-bottom:20px}
.panel.flush{padding:0;overflow:hidden}
.panel.flush h2{padding:16px 20px 0}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:22px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:14px 18px}
.stat b{display:block;font-size:1.7rem;font-weight:600;line-height:1.2}
.stat span{color:var(--muted);font-size:.92rem}
.stat.warn{border-left:4px solid var(--low)}
.stat.bad{border-left:4px solid var(--out)}
.stat.good{border-left:4px solid var(--pipe)}

table{width:100%;border-collapse:collapse}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:500;color:var(--muted);font-size:.9rem;background:#F6F9FA;white-space:nowrap}
tr:last-child td{border-bottom:0}
td.n,th.n{text-align:right}
td.sku{white-space:nowrap;color:var(--muted)}
.scroll{overflow-x:auto}
.empty{padding:28px 20px;color:var(--muted);text-align:center}

.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:.82rem;font-weight:500;white-space:nowrap}
.badge.ok{background:#E2F2EA;color:var(--ok)}
.badge.low{background:#F8E8DB;color:#8F4B1D}
.badge.out{background:#F6DEDB;color:var(--out)}
.in{color:var(--ok);font-weight:500}.outc{color:var(--out);font-weight:500}

form.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px 18px}
.field{display:flex;flex-direction:column;gap:5px}
.field.wide{grid-column:1/-1}
label{font-weight:500;font-size:.95rem}
.hint{color:var(--muted);font-size:.86rem}
input,select,textarea{font:inherit;color:inherit;padding:9px 11px;border:1px solid #BCCBD3;border-radius:6px;background:#fff;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--pipe)}
textarea{min-height:80px;resize:vertical}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:16px}
.filters .field{min-width:150px;flex:1}
.filters .field.grow{flex:2;min-width:220px}

.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg label{display:flex;align-items:center;gap:8px;border:1px solid #BCCBD3;border-radius:6px;padding:9px 14px;cursor:pointer;background:#fff;font-weight:500}
.seg input{width:auto;margin:0}
.seg label:has(input:checked){border-color:var(--pipe);background:#E8F3FA;color:var(--pipe-d)}

.flash{padding:11px 16px;border-radius:6px;margin-bottom:16px;border:1px solid}
.flash.ok{background:#E6F4EC;border-color:#BCDEC9;color:#1F5E43}
.flash.err{background:#FBEAE8;border-color:#EBC3BE;color:#8B2B23}

.pager{display:flex;gap:16px;align-items:center;justify-content:center;padding:14px}
.kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px 24px}
.kv div span{display:block;color:var(--muted);font-size:.88rem}
.kv div b{font-weight:500}

.login{min-height:100vh;display:grid;place-items:center;padding:20px;background:var(--ink)}
.login .box{background:#fff;border-radius:10px;padding:30px;width:100%;max-width:380px}
.login h1{display:flex;gap:10px;align-items:center}
.login h1 svg{color:var(--copper)}
.login .field{margin-bottom:14px}

@media (max-width:820px){
  .shell{grid-template-columns:1fr}
  .side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;padding:12px;gap:8px 14px}
  .side nav{flex-direction:row;overflow-x:auto;width:100%;order:3;padding-bottom:4px}
  .side nav a{white-space:nowrap;border-left:0;border-bottom:3px solid transparent;border-radius:6px 6px 0 0}
  .side nav a.on{border-bottom-color:#E3A06E}
  .who{margin:0 0 0 auto;text-align:right}
  .main{padding:20px 14px 50px}
}
@media print{
  .side,.actions,.btn,.filters,.pager{display:none!important}
  .shell{display:block}.main{padding:0;max-width:none}
  body{background:#fff}.panel,.stat{border-color:#999}
}