:root{
  --bg:#f4f6f9; --panel:#fff; --ink:#18212f; --muted:#5d6b7e; --line:#e2e7ee;
  --brand:#0f3d63; --brand-2:#13807a; --accent:#13807a; --accent-ink:#fff;
  --ok:#137a47; --ok-bg:#e5f5ec; --warn:#94600b; --warn-bg:#fdf3dc;
  --err:#b42318; --err-bg:#fdecea; --info:#1d5fa8; --info-bg:#e7f0fb;
  --radius:10px; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 "Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif}
a{color:var(--info);text-decoration:none} a:hover{text-decoration:underline}
h1{font-size:22px;margin:0 0 4px} h2{font-size:16px;margin:0 0 12px} h3{font-size:14px;margin:0 0 8px}
.muted{color:var(--muted)} .small{font-size:12px} .right{text-align:right} .nowrap{white-space:nowrap}
.mono{font-family:ui-monospace,Consolas,monospace;font-size:12.5px}

/* layout */
.app{display:flex;min-height:100vh}
.side{width:236px;background:var(--brand);color:#cfe0ef;flex-shrink:0;display:flex;flex-direction:column}
.side .brand{padding:18px 18px 14px;border-bottom:1px solid rgba(255,255,255,.08)}
.side .brand b{display:block;color:#fff;font-size:15px}
.side .brand span{font-size:12px;color:#9fbcd6}
.side nav{padding:10px 8px;flex:1}
.side nav .grp{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#7fa0bd;padding:12px 10px 4px}
.side nav a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:7px;color:#dbe7f2}
.side nav a:hover{background:rgba(255,255,255,.07);text-decoration:none}
.side nav a.on{background:rgba(255,255,255,.14);color:#fff;font-weight:600}
.side nav a .ic{width:18px;text-align:center;opacity:.85}
.side .foot{padding:12px 16px;font-size:12px;border-top:1px solid rgba(255,255,255,.08)}
.side .foot a{color:#cfe0ef}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 28px;background:var(--panel);border-bottom:1px solid var(--line)}
.top .org{font-weight:600}
.content{padding:24px 28px 48px;max-width:1280px;width:100%}
.pagehead{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:16px}

/* env pill */
.env{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px}
.env.simulation{background:#eef0f4;color:#445066}
.env.sandbox{background:var(--warn-bg);color:var(--warn)}
.env.production{background:var(--ok-bg);color:var(--ok)}
.env::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}

/* cards & grid */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px;margin-bottom:18px}
.card.flush{padding:0;overflow:hidden}
.card .card-h{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;align-items:center;padding:14px 20px;border-bottom:1px solid var(--line)}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))} .g3{grid-template-columns:repeat(3,minmax(0,1fr))} .g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.kpi{padding:16px 18px}
.kpi .l{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.kpi .v{font-size:24px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}
.kpi .s{font-size:12px;color:var(--muted)}

/* tables */
table.t{width:100%;border-collapse:collapse}
table.t th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);text-align:left;padding:10px 14px;background:#f8fafc;border-bottom:1px solid var(--line);white-space:nowrap}
table.t td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
table.t tr:last-child td{border-bottom:none}
table.t td.num,table.t th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
table.t tfoot td{font-weight:700;background:#f8fafc;border-top:1px solid var(--line)}
.tablewrap{overflow-x:auto}

/* badges */
.b{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}
.b.draft{background:#eef0f4;color:#445066}
.b.pending{background:var(--warn-bg);color:var(--warn)}
.b.posted{background:var(--ok-bg);color:var(--ok)}
.b.rejected{background:var(--err-bg);color:var(--err)}
.b.neutral{background:#eef0f4;color:#445066}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 14px;border-radius:8px;font-weight:600;font-size:13.5px;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{background:#f6f8fb;text-decoration:none}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(.95)}
.btn.dark{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.danger{color:var(--err);border-color:#f3c7c2}
.btn.sm{padding:5px 10px;font-size:12.5px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
form.inline{display:inline}

/* forms */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 20px}
.field label{display:block;font-weight:600;font-size:13px;margin-bottom:5px}
.field .help{font-size:12px;color:var(--muted);margin-top:4px}
.field .err{font-size:12px;color:var(--err);margin-top:4px}
.field.full{grid-column:1/-1}
.input,select.input,textarea.input{width:100%;padding:8px 10px;border:1px solid #cfd6df;border-radius:7px;background:#fff;font:inherit;color:inherit}
.input:focus{outline:2px solid rgba(19,128,122,.25);border-color:var(--accent)}
.field.check-f{display:flex;align-items:center;gap:8px} .field.check-f label{margin:0}
.radio-list ul,ul.radio-list{list-style:none;padding:0;margin:0}
.radio-list li{margin:6px 0}
.radio-list label{display:flex;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:8px;margin-bottom:8px;cursor:pointer;font-weight:500}
.radio-list label:has(input:checked){border-color:var(--accent);background:#eef8f7}
.radio-list > div > div{margin:0}
.errorlist{color:var(--err);margin:4px 0;padding-left:18px;font-size:13px}

/* alerts */
.msgs{margin-bottom:16px}
.alert{padding:10px 14px;border-radius:8px;margin-bottom:8px;border:1px solid transparent}
.alert.success{background:var(--ok-bg);color:var(--ok);border-color:#bfe5cf}
.alert.error{background:var(--err-bg);color:var(--err);border-color:#f6c9c4}
.alert.warning{background:var(--warn-bg);color:var(--warn);border-color:#f2dca6}
.alert.info{background:var(--info-bg);color:var(--info);border-color:#c7dcf5}

/* filters */
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.filters .input{width:auto;min-width:140px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:18px;flex-wrap:wrap}
.tabs a{padding:9px 14px;color:var(--muted);font-weight:600;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs a.on{color:var(--brand);border-color:var(--accent)}
.tabs a:hover{text-decoration:none;color:var(--ink)}

/* invoice lines editor */
.lines th{position:sticky;top:0}
.lines td{padding:6px 6px}
.lines .input{padding:6px 7px;font-size:13px}
.lines td.c-prod{min-width:200px}.lines td.c-desc{min-width:170px}.lines td.c-hs{min-width:120px}
.lines td.c-qty{min-width:90px}.lines td.c-price{min-width:120px}.lines td.c-rate{min-width:84px}
.lines tr.adv td{background:#fafbfd;border-top:none}
.lines tr.adv .advgrid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}
.lines tr.adv label{font-size:11px;color:var(--muted);display:block;margin-bottom:2px}
.lines .calc{font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap;padding-top:13px}
.lines .rowtools{white-space:nowrap}
.linkbtn{background:none;border:none;color:var(--info);cursor:pointer;font:inherit;font-size:12.5px;padding:2px 4px}
.totals{margin-left:auto;min-width:300px}
.totals div{display:flex;justify-content:space-between;padding:4px 0;font-variant-numeric:tabular-nums}
.totals .grand{border-top:2px solid var(--ink);margin-top:6px;padding-top:8px;font-size:17px;font-weight:700}

.dl{display:grid;grid-template-columns:150px 1fr;gap:6px 14px;margin:0}
.dl dt{color:var(--muted)} .dl dd{margin:0;font-weight:500}
.fbrbox{display:flex;gap:18px;align-items:center;padding:16px;border-radius:10px;background:var(--ok-bg);border:1px solid #bfe5cf}
.fbrbox img{width:110px;height:110px;background:#fff;padding:6px;border-radius:6px}
.fbrbox .num{font-size:18px;font-weight:700;font-family:ui-monospace,Consolas,monospace;word-break:break-all}
.errbox{padding:14px 16px;border-radius:10px;background:var(--err-bg);border:1px solid #f6c9c4;color:var(--err)}
.checklist{margin:0;padding-left:18px;color:var(--warn)}

.bars{display:flex;align-items:flex-end;gap:14px;height:140px;padding-top:8px}
.bars .bar{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:6px}
.bars .bar i{display:block;width:100%;max-width:46px;background:linear-gradient(180deg,var(--accent),#0f6b66);border-radius:6px 6px 2px 2px;min-height:3px}
.bars .bar span{font-size:11.5px;color:var(--muted)}
pre.json{background:#0f1b2b;color:#d6e4f5;padding:14px;border-radius:8px;overflow:auto;font-size:12px;max-height:480px}
.keybox{font-family:ui-monospace,Consolas,monospace;padding:12px;background:#fffbe8;border:1px dashed #d9b650;border-radius:8px;word-break:break-all;font-size:14px}
.empty{padding:36px;text-align:center;color:var(--muted)}

/* auth */
.auth{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),#0b2a45 60%,#0d4f4b)}
.auth .box{width:min(400px,92vw);background:#fff;border-radius:14px;padding:30px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.auth h1{font-size:20px}

@media (max-width:900px){
  .side{position:fixed;inset:0 auto 0 0;z-index:20;transform:translateX(-100%);transition:transform .2s}
  body.nav-open .side{transform:none}
  .menu-btn{display:inline-block}
  .content{padding:16px}
  .top{padding:10px 16px}
  .g4,.g3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g2,.form-grid{grid-template-columns:1fr}
  .lines tr.adv .advgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:520px){ .g4,.g3{grid-template-columns:1fr} .dl{grid-template-columns:1fr} }