:root{
  --ink:#0B1015; --ink-2:#151D25; --steel:#5A6875; --rule:#DDE4E9;
  --panel:#F2F5F7; --paper:#fff; --cyan:#01AFEF; --cyan-dk:#0089BD;
  --orange:#EB9422; --red:#C7302B; --green:#1E8E5A;
  --mono:ui-monospace,"SFMono-Regular","JetBrains Mono","Roboto Mono",Menlo,monospace;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--sans);font-size:13.5px;color:var(--ink);
  background:var(--panel);-webkit-font-smoothing:antialiased}
a{color:var(--cyan-dk);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:19px;margin:0;letter-spacing:-.01em}
h2{font-size:14px;margin:0 0 10px;text-transform:uppercase;
  letter-spacing:.09em;color:var(--steel);font-weight:600}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* ---------- shell ---------- */
.shell{display:flex;min-height:100vh}
.rail{width:212px;flex:0 0 212px;background:var(--ink);color:#fff;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.rail .brand{padding:16px 16px 14px;border-bottom:1px solid #222C36}
.rail .brand img{width:136px;display:block}
.rail .brand span{display:block;margin-top:7px;font:600 9.5px/1 var(--mono);
  letter-spacing:.16em;color:var(--cyan)}
.rail nav{padding:10px 0;overflow-y:auto;flex:1}
.rail .grp{padding:14px 16px 5px;font:600 9.5px/1 var(--mono);
  letter-spacing:.14em;color:#5E6C78}
.rail a{display:flex;justify-content:space-between;gap:8px;padding:7px 16px;
  color:#C7D2DB;font-size:13px}
.rail a:hover{background:var(--ink-2);color:#fff;text-decoration:none}
.rail a.on{background:var(--ink-2);color:#fff;box-shadow:inset 3px 0 0 var(--cyan)}
.rail a .cnt{font:600 11px var(--mono);color:var(--orange)}
.rail .who{padding:12px 16px;border-top:1px solid #222C36;font-size:12px;
  color:#8896A2}
.rail .who b{display:block;color:#fff;font-size:13px}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{background:var(--paper);border-bottom:1px solid var(--rule);
  padding:14px 26px;display:flex;align-items:center;gap:14px;
  justify-content:space-between}
.wrap{padding:22px 26px 60px;max-width:1240px}

/* ---------- signature: docket strip ---------- */
.docket{display:flex;align-items:stretch;background:var(--ink);color:#fff;
  border-left:5px solid var(--orange);margin-bottom:18px}
.docket .no{font:700 20px/1 var(--mono);letter-spacing:.04em;padding:13px 18px}
.docket .meta{display:flex;gap:26px;padding:13px 18px;border-left:1px solid #263039}
.docket .meta div{font-size:11px;color:#8896A2}
.docket .meta b{display:block;font-size:13px;color:#fff;font-weight:600;
  margin-top:2px}
.docket .sp{flex:1}
.docket .st{align-self:center;margin-right:16px}

/* ---------- cards, tables ---------- */
.card{background:var(--paper);border:1px solid var(--rule);padding:16px 18px;
  margin-bottom:16px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  gap:12px;margin-bottom:18px}
.stat{background:var(--paper);border:1px solid var(--rule);padding:14px 16px;
  border-top:3px solid var(--cyan)}
.stat.warn{border-top-color:var(--orange)}
.stat .n{font:700 27px/1 var(--mono);letter-spacing:-.02em}
.stat .l{font-size:11.5px;color:var(--steel);margin-top:6px;
  text-transform:uppercase;letter-spacing:.07em}

table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;font:600 10.5px/1.4 var(--mono);letter-spacing:.1em;
  text-transform:uppercase;color:var(--steel);padding:8px 9px;
  border-bottom:1px solid var(--rule);white-space:nowrap}
td{padding:8px 9px;border-bottom:1px solid #EDF1F4;vertical-align:top}
tbody tr:hover{background:#F8FAFB}
.mono{font-family:var(--mono);font-size:12.5px;letter-spacing:.02em}
.num{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums}
.muted{color:var(--steel)}
.small{font-size:11.5px}

/* ---------- chips ---------- */
.chip{display:inline-block;padding:2px 8px;font:600 10px/1.7 var(--mono);
  letter-spacing:.08em;text-transform:uppercase;border:1px solid}
.chip.draft{color:var(--steel);border-color:var(--rule);background:var(--panel)}
.chip.issued{color:var(--cyan-dk);border-color:#B4E4F8;background:#EAF8FE}
.chip.partly_returned{color:#8A5A00;border-color:#F3D9A8;background:#FEF5E6}
.chip.closed{color:var(--green);border-color:#B9E2CD;background:#EAF7F0}
.chip.cancelled{color:var(--red);border-color:#F0C4C2;background:#FDECEB}
.chip.overdue{color:#fff;border-color:var(--red);background:var(--red)}

/* ---------- forms ---------- */
label{display:block;font:600 10.5px/1.4 var(--mono);letter-spacing:.09em;
  text-transform:uppercase;color:var(--steel);margin-bottom:5px}
input,select,textarea{width:100%;padding:7px 9px;border:1px solid var(--rule);
  background:#fff;font-family:var(--sans);font-size:13.5px;color:var(--ink);
  border-radius:2px}
input:focus,select:focus,textarea:focus{border-color:var(--cyan);outline:none;
  box-shadow:0 0 0 3px rgba(1,175,239,.14)}
textarea{resize:vertical;min-height:56px}
.grid{display:grid;gap:13px}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
fieldset{border:0;padding:0;margin:0 0 18px}

.btn{display:inline-block;padding:8px 15px;border:1px solid var(--ink);
  background:var(--ink);color:#fff;font:600 12.5px var(--sans);cursor:pointer;
  border-radius:2px}
.btn:hover{background:var(--ink-2);text-decoration:none;color:#fff}
.btn.pri{background:var(--cyan);border-color:var(--cyan)}
.btn.pri:hover{background:var(--cyan-dk);border-color:var(--cyan-dk)}
.btn.ghost{background:#fff;color:var(--ink)}
.btn.ghost:hover{background:var(--panel);color:var(--ink)}
.btn.warn{background:var(--orange);border-color:var(--orange)}
.btn.sm{padding:5px 10px;font-size:11.5px}
.bar{display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.bar.end{justify-content:flex-end}

.lines th{background:var(--panel)}
.lines td{padding:5px 6px}
.lines input,.lines select,.lines textarea{padding:5px 7px;font-size:12.5px}
.rm{border:1px solid var(--rule);background:#fff;color:var(--red);
  cursor:pointer;padding:4px 8px;border-radius:2px}
.note-row td{padding-top:0;border-bottom:1px solid var(--rule)}

.flash{background:#FEF5E6;border-left:3px solid var(--orange);padding:9px 13px;
  font-size:12.5px;margin-bottom:14px}
.empty{padding:34px 18px;text-align:center;color:var(--steel);
  border:1px dashed var(--rule);background:var(--paper)}
.empty b{display:block;color:var(--ink);margin-bottom:6px;font-size:14px}

/* ---------- login ---------- */
.login{min-height:100vh;display:grid;place-items:center;background:var(--ink)}
.login .box{background:#fff;width:352px;padding:30px 30px 26px;
  border-top:4px solid var(--cyan)}
.login img{width:172px;margin-bottom:4px}
.login .err{background:#FDECEB;color:var(--red);padding:8px 11px;
  font-size:12.5px;margin-bottom:13px;border-left:3px solid var(--red)}

@media(max-width:860px){
  .rail{position:fixed;left:-212px;z-index:9}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .wrap{padding:16px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
@media print{.rail,.top,.noprint{display:none!important}}