:root{
  --blue:#185FA5; --blue-d:#0C447C; --ink:#1a1d21; --muted:#6b7280; --line:#e3e6ea;
  --bg:#f4f6f8; --card:#fff; --ok:#1d7a4d; --okbg:#e7f4ee; --warn:#9a6b00; --warnbg:#fdf1d9;
  --danger:#b02a2a; --dangerbg:#fbeaea; --accentbg:#e9f1fb;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);font-size:14px;line-height:1.5}
a{color:var(--blue);text-decoration:none;cursor:pointer}
button{font:inherit;cursor:pointer;border:1px solid var(--line);background:#fff;border-radius:7px;
  padding:6px 12px;color:var(--ink)}
button:hover{background:var(--bg)}
button.primary{background:var(--blue-d);color:#fff;border-color:transparent}
button.primary:hover{background:var(--blue)}
button.danger{color:var(--danger);border-color:#e6bcbc}
button:disabled{opacity:.5;cursor:not-allowed}
input,select,textarea{font:inherit;border:1px solid var(--line);border-radius:7px;padding:7px 9px;
  background:#fff;width:100%}
label{display:block;font-size:12px;color:var(--muted);margin-bottom:3px}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;color:var(--muted);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line)}
td{padding:8px 10px;border-bottom:1px solid var(--line)}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace}
.pill{font-size:11px;padding:2px 8px;border-radius:20px;display:inline-block;font-weight:600}
.pill.ok{background:var(--okbg);color:var(--ok)} .pill.warn{background:var(--warnbg);color:var(--warn)}
.pill.err{background:var(--dangerbg);color:var(--danger)} .pill.blue{background:var(--accentbg);color:var(--blue-d)}
.muted{color:var(--muted)} .right{text-align:right} .center{text-align:center}
.hidden{display:none!important}

/* login */
#login{max-width:340px;margin:12vh auto;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:28px}
#login h1{font-size:18px;margin:0 0 2px} #login .sub{color:var(--muted);font-size:13px;margin-bottom:18px}
#login .field{margin-bottom:12px}
#login .err{color:var(--danger);font-size:13px;margin-top:8px;min-height:18px}

/* app shell */
header{background:#fff;border-bottom:1px solid var(--line);padding:10px 18px;display:flex;
  align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;z-index:5}
.brand{display:flex;align-items:center;gap:10px}
.brand .logo{width:32px;height:32px;border-radius:8px;background:var(--blue-d);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700}
.brand .t{font-weight:700} .brand .s{font-size:11px;color:var(--muted)}
.who{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:10px}
nav{background:#fff;border-bottom:1px solid var(--line);padding:0 12px;display:flex;gap:2px;
  flex-wrap:wrap;position:sticky;top:53px;z-index:4}
nav button{border:none;border-radius:0;border-bottom:2px solid transparent;background:none;
  padding:10px 14px;color:var(--muted)}
nav button.active{color:var(--ink);border-bottom-color:var(--blue);font-weight:600}
main{max-width:1000px;margin:18px auto;padding:0 16px}
h2.view{font-size:18px;margin:0 0 14px}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}
.kpi .lab{font-size:12px;color:var(--muted)} .kpi .val{font-size:26px;font-weight:700;margin-top:2px}
.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0;overflow:hidden;margin-bottom:16px}
.panel .ph{padding:11px 14px;border-bottom:1px solid var(--line);font-weight:600;display:flex;
  align-items:center;justify-content:space-between;gap:8px}
.panel .pb{padding:12px 14px}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.toolbar .grow{flex:1}
.banner{border-radius:10px;padding:10px 12px;margin-bottom:14px;font-size:13px}
.banner.warn{background:var(--warnbg);color:var(--warn)} .banner.blue{background:var(--accentbg);color:var(--blue-d)}

/* shipment groups */
.ship{border:1px solid var(--line);border-radius:11px;margin-bottom:8px;overflow:hidden}
.ship .sh{display:flex;align-items:center;gap:12px;padding:10px 13px;cursor:pointer;background:#fff}
.ship .sh:hover{background:var(--bg)}
.ship .chev{transition:transform .15s;color:var(--muted)}
.ship.open .chev{transform:rotate(90deg)}
.ship .sd{display:none;background:#fafbfc;border-top:1px solid var(--line)}
.ship.open .sd{display:block}
.grow0{flex:1;min-width:0}

/* modal */
.overlay{position:fixed;inset:0;background:rgba(20,25,30,.45);display:flex;align-items:center;
  justify-content:center;z-index:20;padding:16px}
.dialog{background:#fff;border-radius:14px;max-width:440px;width:100%;padding:18px;max-height:88vh;overflow:auto}
.dialog h3{margin:0 0 12px;font-size:16px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.dlg-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}
.scroll{overflow-x:auto}
#toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;
  padding:9px 16px;border-radius:9px;font-size:13px;z-index:30;opacity:0;transition:opacity .2s}
#toast.show{opacity:1}