:root{--bg:#f5f7fa;--card:#fff;--bd:#dde2e8;--tx:#1b2430;--mut:#667085;--ac:#1769e0;--ac2:#e8f0fd;--red:#c62828;--grn:#1b7f3b;--amb:#b26a00}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.7 "Noto Naskh Arabic",Tahoma,sans-serif}
h1,h2,h3,.brand,label.f>span,.stat>span{font-family:"Noto Nastaliq Urdu","Noto Naskh Arabic",serif;font-weight:600;line-height:2.1}
h1{font-size:1.5rem;margin:.4rem 0}
h2{font-size:1.2rem;margin:1rem 0 .3rem}
a{color:var(--ac);text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:12px 14px 60px}
.top{background:#fff;border-bottom:1px solid var(--bd);display:flex;align-items:center;justify-content:space-between;padding:4px 14px;position:sticky;top:0;z-index:20;flex-wrap:wrap}
.brand{font-size:1.35rem;color:var(--ac)}
.burger{display:none;font-size:1.6rem;min-width:48px;min-height:48px;border:0;background:none;color:var(--tx)}
nav{display:flex;flex-wrap:wrap;gap:2px}
nav a{padding:10px 12px;border-radius:8px;color:var(--tx);min-height:44px;display:inline-flex;align-items:center}
nav a.on{background:var(--ac2);color:var(--ac);font-weight:700}
nav a.out{color:var(--mut);font-size:.9rem}
.card{background:var(--card);border:1px solid var(--bd);border-radius:12px;padding:14px;margin:10px 0}
.narrow{max-width:420px;margin:20px auto}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0 14px}
label.f{display:block;margin:6px 0}
label.f>span{display:block;font-size:.95rem;color:var(--mut)}
input,select,textarea{width:100%;min-height:46px;padding:8px 12px;font:inherit;border:1px solid #c5ccd6;border-radius:8px;background:#fff;color:var(--tx)}
input:focus,select:focus{outline:2px solid var(--ac);border-color:var(--ac)}
input[type=checkbox]{width:22px;min-height:22px;margin-inline-end:8px}
label.chk{display:inline-flex;align-items:center;margin:6px 10px;min-height:44px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:6px 18px;border-radius:10px;border:1px solid var(--bd);background:#fff;color:var(--tx);font:inherit;font-weight:600;cursor:pointer;margin:2px 0}
.btn.primary{background:var(--ac);border-color:var(--ac);color:#fff}
.btn.danger{background:#fff;border-color:var(--red);color:var(--red)}
.btn.big{min-height:54px;font-size:1.15rem}
.btn.sm{min-height:38px;padding:2px 12px;font-size:.92rem}
.btn.block{width:100%;margin-top:10px}
.flash{padding:10px 14px;border-radius:10px;margin:8px 0}
.flash.ok{background:#e7f6ec;color:var(--grn)}
.flash.err{background:#fdeaea;color:var(--red)}
.tw{overflow-x:auto;background:#fff;border:1px solid var(--bd);border-radius:12px}
table{width:100%;border-collapse:collapse}
th,td{padding:9px 12px;text-align:right;border-bottom:1px solid #eceff3;vertical-align:middle}
th{background:#f0f3f7;font-weight:700;white-space:nowrap}
tr:last-child td{border-bottom:0}
tr.cancelled td{color:#999;text-decoration:line-through}
.muted{color:var(--mut)}.neg{color:var(--red);font-weight:600}
.tag{background:var(--ac2);color:var(--ac);border-radius:6px;padding:0 6px;font-size:.8rem}
.act{white-space:nowrap}
form.inl{display:inline}
form.inl input{width:140px;min-height:38px}
.filters{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:flex-end}
.filters label.f{margin:0;flex:1 1 150px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:10px 0}
.stat{background:#fff;border:1px solid var(--bd);border-radius:12px;padding:10px 16px}
.stat>span{display:block;color:var(--mut);font-size:.95rem}
.stat>b{font-size:1.5rem}.stat.warn>b{color:var(--amb)}
/* bill screen */
.ta{position:relative}
.res{position:absolute;inset-inline:0;top:100%;z-index:30;list-style:none;margin:2px 0 0;padding:0;background:#fff;border:1px solid var(--ac);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.15);max-height:320px;overflow:auto}
.res li{padding:10px 14px;border-bottom:1px solid #eef0f3;cursor:pointer}
.res li.on,.res li:hover{background:var(--ac2)}
.prev{margin-top:4px;color:var(--mut)}.prev b{color:var(--tx)}
.lines{margin-top:8px}
.line{display:grid;grid-template-columns:2.2fr 1.6fr 1fr 1fr 1.1fr 1.2fr 48px;gap:8px;align-items:end;padding:10px 0;border-bottom:1px solid #eceff3}
.line label{font-size:.8rem;color:var(--mut);display:block}
.line .lname{align-self:center}
.line .lamt{font-weight:700;font-size:1.1rem;align-self:center}
.line .del{min-height:46px;border:1px solid var(--red);color:var(--red);background:#fff;border-radius:8px;font-size:1.1rem;cursor:pointer}
.line.warn{background:#fff6e5}
.stk{display:block;color:var(--mut);font-size:.85rem}.line.warn .stk{color:var(--amb);font-weight:700}
.totals .trow{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:5px 0}
.totals .trow input{max-width:180px;text-align:left}
.totals .trow.big{font-size:1.25rem;font-weight:700;border-top:1px dashed var(--bd);margin-top:4px;padding-top:8px}
b,.n{unicode-bidi:plaintext}
@media (max-width:760px){
  .burger{display:block}
  nav{display:none;width:100%;flex-direction:column}
  nav.open{display:flex}
  .line{grid-template-columns:1fr 1fr 1fr;grid-template-areas:"nm nm nm" "pt pt un" "qt rt am" "dl dl dl"}
  .line .lname{grid-area:nm}.line .c-pt{grid-area:pt}.line .c-un{grid-area:un}.line .c-qt{grid-area:qt}.line .c-rt{grid-area:rt}.line .lamt{grid-area:am}.line .del{grid-area:dl}
  nav.open{display:grid;grid-template-columns:1fr 1fr}
  .btn.sm,form.inl input{min-height:44px}
  .tw td{white-space:nowrap}.tw td.wr{white-space:normal;min-width:160px}
  .stats{grid-template-columns:1fr 1fr;gap:8px}.stat{padding:8px 12px}.stat>b{font-size:1.2rem}
  .line .del{min-height:44px}
  .wrap{padding:8px 10px 60px}
  th,td{padding:8px 8px;font-size:.92rem}
}
@media print{
  .top,.noprint,.btn,form.filters,.burger{display:none!important}
  body{background:#fff;font-size:12px}.card,.tw,.stat{border-color:#999}
}