/* ============================================================
   NSR Alloys — Material Management System
   ============================================================ */
:root{
  --accent:#1F3864; --accent-l:#2E4F8F; --accent-x:#E8EEF9;
  --bg:#F5F7FA; --card:#fff; --line:#E3E8F0; --line-d:#CFD7E4;
  --text:#1B2333; --muted:#6B7688; --muted-l:#8C96A8;
  --ok:#0F7A43; --ok-bg:#E3F4EB; --warn:#8A5B00; --warn-bg:#FDF3DF;
  --bad:#A32020; --bad-bg:#FBE9E9; --info:#1F3864; --info-bg:#E8EEF9;
  --radius:10px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg); color:var(--text); font-size:14px; line-height:1.5;
}
body.plain{background:linear-gradient(135deg,#1F3864 0%,#2E4F8F 100%);min-height:100vh}
a{color:var(--accent)}
button{font-family:inherit;font-size:14px;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px}
code{background:#EEF1F6;padding:1px 5px;border-radius:4px;font-size:12.5px}

/* ---------- top bar ---------- */
.topbar{
  height:56px;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:12px;padding:0 16px;
  position:sticky;top:0;z-index:40;
}
.burger{display:none;background:none;border:0;font-size:19px;color:var(--accent);padding:6px 9px;border-radius:6px}
.burger:hover{background:var(--accent-x)}
.logo{display:flex;align-items:center;gap:10px;min-width:0}
.logomark{
  width:32px;height:32px;border-radius:7px;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12.5px;flex:none;
}
.logotext{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.logotext b{font-size:14px;white-space:nowrap}
.logotext small{font-size:11px;color:var(--muted)}
.spacer{flex:1}
.userchip{display:flex;align-items:center;gap:9px}
.avatar{
  width:31px;height:31px;border-radius:50%;background:var(--accent-x);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;flex:none;
}
.uinfo{display:flex;flex-direction:column;line-height:1.2}
.uinfo b{font-size:13px}
.uinfo small{font-size:11px;color:var(--muted)}
.signout{
  color:var(--muted);text-decoration:none;font-size:12.5px;
  border:1px solid var(--line);padding:6px 12px;border-radius:6px;white-space:nowrap;
}
.signout:hover{background:var(--bg);color:var(--accent);border-color:var(--line-d)}

/* ---------- shell ---------- */
.shell{display:flex;align-items:flex-start}
.side{
  width:216px;flex:none;background:#fff;border-right:1px solid var(--line);
  min-height:calc(100vh - 56px);padding:10px 0;position:sticky;top:56px;
  max-height:calc(100vh - 56px);overflow-y:auto;
}
.navgrp{
  padding:14px 18px 5px;font-size:10px;letter-spacing:.9px;text-transform:uppercase;
  color:var(--muted-l);font-weight:700;
}
.navlink{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:8px 18px;color:var(--text);text-decoration:none;font-size:13.5px;
  border-left:3px solid transparent;
}
.navlink:hover{background:var(--bg)}
.navlink.on{background:var(--accent-x);border-left-color:var(--accent);color:var(--accent);font-weight:600}
.badge{
  background:var(--warn-bg);color:var(--warn);font-size:11px;font-weight:700;
  padding:1px 7px;border-radius:9px;
}
.navlink.on .badge{background:var(--accent);color:#fff}
.main{flex:1;padding:22px 26px 60px;min-width:0}

/* ---------- page header ---------- */
.pagehead{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.pagehead h1{margin:0 0 2px;font-size:21px;color:var(--text);font-weight:600}
.pagehead p{margin:0;color:var(--muted);font-size:13px;max-width:760px}
.pageact{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:18px}
.card>h2{
  margin:0;padding:14px 18px;border-bottom:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.card>h2 .sub{font-weight:400;color:var(--muted);font-size:12.5px}
.card .body{padding:18px}
.card .body.tight{padding:0}
.blank{text-align:center;color:var(--muted);padding:34px 18px;font-size:13.5px}

/* ---------- tables ---------- */
table{width:100%;border-collapse:collapse}
thead th{
  text-align:left;font-size:10.5px;letter-spacing:.7px;text-transform:uppercase;
  color:var(--muted);font-weight:700;padding:10px 14px;background:#FAFBFD;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#FAFBFD}
.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.mono{font-family:'Consolas','SF Mono',Menlo,monospace;font-size:12.5px}
.nowrap{white-space:nowrap}
.sub2{color:var(--muted);font-size:12px}
tfoot td{padding:11px 14px;border-top:2px solid var(--line);font-weight:700;background:#FAFBFD}
.tscroll{overflow-x:auto}

/* ---------- forms ---------- */
.row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.f{flex:1;min-width:165px}
.f.w2{flex:2;min-width:230px}
.f.auto{flex:none}
.f label,.authbox label{
  display:block;font-size:11.5px;color:var(--muted);margin-bottom:4px;font-weight:600;
  text-transform:uppercase;letter-spacing:.4px;
}
.f input,.f select,.f textarea{
  width:100%;padding:8px 11px;border:1px solid var(--line-d);border-radius:7px;background:#fff;color:var(--text);
}
.f input:focus,.f select:focus,.f textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-x)}
.f input:disabled,.f input[readonly]{background:#F1F3F7;color:var(--muted)}
.f .hint{font-size:11.5px;color:var(--muted);margin-top:4px}
.check{display:flex;align-items:center;gap:8px;font-size:13px;text-transform:none;letter-spacing:0;color:var(--text);font-weight:400}
.check input{width:auto}
.inline-form{display:inline}

/* ---------- buttons ---------- */
.btn{
  background:var(--accent);color:#fff;border:0;padding:9px 16px;border-radius:7px;
  font-weight:600;font-size:13.5px;text-decoration:none;display:inline-flex;
  align-items:center;gap:7px;justify-content:center;
}
.btn:hover{background:var(--accent-l)}
.btn.sec{background:#fff;color:var(--accent);border:1px solid var(--line-d)}
.btn.sec:hover{background:var(--accent-x)}
.btn.ok{background:var(--ok)}
.btn.bad{background:var(--bad)}
.btn.ok:hover,.btn.bad:hover{filter:brightness(1.1)}
.btn.sm{padding:5px 11px;font-size:12.5px;border-radius:6px}
.btn.block{width:100%;margin-top:14px;padding:11px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- pills ---------- */
.pill{display:inline-block;padding:3px 10px;border-radius:11px;font-size:11.5px;font-weight:700;white-space:nowrap}
.p-ok{background:var(--ok-bg);color:var(--ok)}
.p-warn{background:var(--warn-bg);color:var(--warn)}
.p-bad{background:var(--bad-bg);color:var(--bad)}
.p-info{background:var(--info-bg);color:var(--info)}
.p-grey{background:#EEF0F4;color:var(--muted)}

/* ---------- flash & notes ---------- */
.flash{padding:11px 15px;border-radius:8px;margin-bottom:16px;font-size:13.5px;border-left:3px solid}
.flash.ok{background:var(--ok-bg);border-color:var(--ok);color:#0B5B32}
.flash.bad{background:var(--bad-bg);border-color:var(--bad);color:#7E1919}
.flash.warn{background:var(--warn-bg);border-color:var(--warn);color:#6B4700}
.note{background:var(--info-bg);border-left:3px solid var(--accent);padding:11px 15px;
  border-radius:0 8px 8px 0;font-size:12.5px;margin-bottom:16px;color:#2A3A55}
.note.warn{background:var(--warn-bg);border-color:var(--warn);color:#6B4700}
.muted{color:var(--muted)}
.ticks{margin:10px 0 0;padding-left:20px;font-size:13px;color:var(--text)}
.ticks li{margin-bottom:5px}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:14px;margin-bottom:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:15px 17px;text-decoration:none;color:inherit;display:block}
.stat:hover{border-color:var(--accent);box-shadow:0 2px 10px rgba(31,56,100,.07)}
.stat b{display:block;font-size:27px;color:var(--accent);line-height:1.15;font-weight:700}
.stat span{font-size:12px;color:var(--muted)}

/* ---------- images ---------- */
.thumbs{display:flex;gap:9px;flex-wrap:wrap;margin-top:10px}
.thumbs a{display:block}
.thumbs img{width:84px;height:84px;object-fit:cover;border:1px solid var(--line-d);border-radius:7px}
.thumbs img:hover{border-color:var(--accent)}

/* ---------- doc blocks ---------- */
.doc{border:1px solid var(--line);border-radius:9px;padding:15px;margin:0 18px 13px}
.doc:first-of-type{margin-top:18px}
.dochead{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:11px}
.dochead .r{text-align:right}
.amount{font-size:17px;font-weight:700;color:var(--accent)}
.docacts{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap}

/* ---------- auth pages ---------- */
.authwrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.authbox{background:#fff;border-radius:14px;padding:34px;max-width:410px;width:100%;box-shadow:0 10px 44px rgba(0,0,0,.22)}
.authbox h1{margin:0 0 3px;font-size:20px;color:var(--accent)}
.authbox p.sub{margin:0 0 22px;color:var(--muted);font-size:13px}
.authbox label{margin-top:13px}
.authbox input{width:100%;padding:10px 12px;border:1px solid var(--line-d);border-radius:7px}
.authbox input:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-x)}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .burger{display:block}
  .uinfo{display:none}
  .logotext small{display:none}
  .side{
    position:fixed;left:0;top:56px;bottom:0;z-index:35;transform:translateX(-100%);
    transition:transform .2s;box-shadow:3px 0 18px rgba(0,0,0,.13);max-height:none;
  }
  .side.open{transform:translateX(0)}
  .main{padding:16px 14px 50px}
  .pagehead h1{font-size:18px}
  thead th,tbody td{padding:9px 10px}
  .doc{margin:0 12px 12px}
}
@media print{
  .topbar,.side,.pageact,.docacts,.btn{display:none!important}
  .main{padding:0}
  .card{border:0}
}