:root{
  --bg:#f5f6f8; --panel:#fff; --ink:#1b1f24; --muted:#6b7280; --line:#e3e6ea;
  --brand:#1f6feb; --brand-ink:#fff; --ok:#0f7b46; --ok-bg:#e6f6ee;
  --warn:#8a5a00; --warn-bg:#fff5e0; --err:#b3261e; --err-bg:#fdecea;
  --accent:#6d3fd4; --radius:8px; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans Georgian",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 .6rem;line-height:1.25}
h1{font-size:20px;font-weight:650}
h2{font-size:16px;font-weight:650}
h3{font-size:14px;font-weight:650}

/* layout */
.topbar{background:#12161c;color:#e8eaed;padding:0 18px;display:flex;align-items:center;gap:22px;
  height:52px;position:sticky;top:0;z-index:20}
.topbar .brand{font-weight:700;letter-spacing:.2px;color:#fff;font-size:15px}
.topbar .brand span{color:#8ab4f8}
.topbar nav{display:flex;gap:4px;flex:1;flex-wrap:wrap}
.topbar nav a{color:#c6cbd2;padding:7px 11px;border-radius:6px;font-weight:500}
.topbar nav a:hover{background:#1e242c;color:#fff;text-decoration:none}
.topbar nav a.on{background:var(--brand);color:#fff}
.topbar .who{color:#98a2ae;font-size:12.5px;display:flex;align-items:center;gap:10px;white-space:nowrap}
.wrap{max-width:1560px;margin:0 auto;padding:18px}

/* panels */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:16px}
.card>header{padding:12px 16px;border-bottom:1px solid var(--line);display:flex;
  align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.card>.body{padding:16px}
.card>.body.tight{padding:0}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(165px,1fr));gap:12px;margin-bottom:16px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:13px 15px;box-shadow:var(--shadow)}
.stat b{display:block;font-size:23px;font-weight:660;letter-spacing:-.4px}
.stat span{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px}

/* tables */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{background:#fafbfc;font-weight:600;font-size:11.5px;text-transform:uppercase;
  letter-spacing:.4px;color:#4b5563;white-space:nowrap;position:sticky;top:52px;z-index:5}
th a{color:#4b5563}
tbody tr:hover{background:#f8fafc}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.scroll{overflow-x:auto}
.name-cell{min-width:280px;max-width:460px}
.muted{color:var(--muted)}
.small{font-size:12px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}

/* controls */
input[type=text],input[type=password],input[type=number],input[type=date],select,textarea{
  width:100%;padding:7px 9px;border:1px solid #cfd4da;border-radius:6px;background:#fff;
  font:inherit;color:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(31,111,235,.35);border-color:var(--brand)}
input[readonly]{background:#f3f4f6;color:var(--muted)}
label.f{display:block;margin-bottom:11px}
label.f>span{display:block;font-size:12px;font-weight:600;color:#4b5563;margin-bottom:4px}
label.f>span .hint{font-weight:400;color:var(--muted)}
.check{display:flex;align-items:center;gap:7px;font-size:13px;margin-bottom:9px}
.check input{width:auto}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0 16px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:0 14px}

.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:6px;
  border:1px solid #cfd4da;background:#fff;color:var(--ink);font:inherit;font-weight:550;
  cursor:pointer;white-space:nowrap}
.btn:hover{background:#f3f4f6;text-decoration:none}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:#1a5fd0}
.btn.danger{background:#fff;border-color:#e4b7b4;color:var(--err)}
.btn.danger:hover{background:var(--err-bg)}
.btn.sm{padding:4px 9px;font-size:12px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.toolbar{display:flex;gap:9px;align-items:flex-end;flex-wrap:wrap}
.toolbar label.f{margin-bottom:0}

/* badges */
.badge{display:inline-block;padding:2px 7px;border-radius:20px;font-size:11px;font-weight:600;
  background:#eef0f3;color:#4b5563;white-space:nowrap}
.badge.ok{background:var(--ok-bg);color:var(--ok)}
.badge.warn{background:var(--warn-bg);color:var(--warn)}
.badge.err{background:var(--err-bg);color:var(--err)}
.badge.brand{background:#e7f0fe;color:var(--brand)}
.badge.accent{background:#efe9fb;color:var(--accent)}

/* flash */
.flash{padding:11px 15px;border-radius:var(--radius);margin-bottom:14px;font-weight:500;
  border:1px solid transparent}
.flash.ok{background:var(--ok-bg);color:var(--ok);border-color:#bfe5d1}
.flash.error{background:var(--err-bg);color:var(--err);border-color:#f3c7c3}

/* price cells */
.price-input{width:92px;padding:4px 6px;text-align:right;font-variant-numeric:tabular-nums;
  border:1px solid transparent;background:transparent;border-radius:5px}
.price-input:hover{border-color:#cfd4da;background:#fff}
.price-input.manual{background:#fffbe9;border-color:#efe0ac;font-weight:600}
.price-input.saved{animation:flash-ok .9s ease}
@keyframes flash-ok{0%{background:#c9f2dc}100%{background:transparent}}
.formula{color:var(--muted);font-style:italic}

/* pagination */
.pager{display:flex;gap:6px;align-items:center;padding:11px 16px;flex-wrap:wrap}
.pager a,.pager span{padding:5px 10px;border:1px solid var(--line);border-radius:6px;background:#fff}
.pager .cur{background:var(--brand);color:#fff;border-color:var(--brand)}

/* login */
.login-wrap{max-width:380px;margin:9vh auto;padding:0 18px}
.login-wrap .card>.body{padding:24px}
.login-logo{text-align:center;margin-bottom:20px;font-size:21px;font-weight:700}
.login-logo span{color:var(--brand)}

pre.log{background:#12161c;color:#d7dde5;padding:14px;border-radius:6px;overflow:auto;
  font-size:12px;line-height:1.65;max-height:460px;margin:0}
details>summary{cursor:pointer;font-weight:600;padding:6px 0}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.sticky-actions{position:sticky;bottom:0;background:var(--panel);border-top:1px solid var(--line);
  padding:12px 16px;display:flex;gap:10px;align-items:center;z-index:6}
.wh-strip{display:flex;gap:7px;flex-wrap:wrap}
.wh-chip{border:1px solid var(--line);background:#fff;border-radius:20px;padding:4px 11px;font-size:12px}
.wh-chip.on{background:var(--brand);border-color:var(--brand);color:#fff}
.wh-chip.zero{color:var(--muted)}

/* ============================================================
   Column chooser / drag-and-drop reordering
   ============================================================ */
th.col{position:relative}
th.col .th-in{display:flex;align-items:center;gap:5px}
th.col .grip{cursor:grab;color:#b6bcc4;font-size:13px;line-height:1;user-select:none;
  padding:1px 2px;border-radius:3px;flex:none}
th.col .grip:hover{color:var(--brand);background:#eef2f7}
th.col.dragging{opacity:.4}
th.col.drop-left::before,th.col.drop-right::after{content:"";position:absolute;top:0;bottom:0;
  width:3px;background:var(--brand);border-radius:2px}
th.col.drop-left::before{left:-2px}
th.col.drop-right::after{right:-2px}
body.dragging-col{cursor:grabbing;user-select:none}

.colmenu{position:relative}
.colmenu-pop{position:absolute;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:0 8px 24px rgba(16,24,40,.14);padding:10px;width:250px;
  z-index:40;max-height:60vh;overflow:auto}
.colmenu-pop label{display:flex;align-items:center;gap:8px;padding:5px 6px;border-radius:5px;font-size:13px}
.colmenu-pop label:hover{background:#f3f4f6}
.colmenu-pop input{width:auto}
.colmenu-pop .sep{border-top:1px solid var(--line);margin:8px 0}

/* ============================================================
   Responsive: PC -> iPad -> phone
   ============================================================ */
@media (max-width:1200px){
  .wrap{padding:14px}
  .name-cell{min-width:200px}
}

/* iPad / small laptop */
@media (max-width:1024px){
  .topbar{gap:12px;padding:0 12px}
  .topbar .who span{display:none}
  th{position:static}
  .stats{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
  .stat b{font-size:20px}
}

/* Tablet portrait and below: nav becomes a scroll strip */
@media (max-width:860px){
  .topbar{height:auto;min-height:52px;flex-wrap:wrap;padding:8px 12px;align-items:center}
  .topbar .brand{order:1}
  .topbar .who{order:2;margin-left:auto}
  .topbar nav{order:3;flex-basis:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none}
  .topbar nav::-webkit-scrollbar{display:none}
  .topbar nav a{flex:none}
  .toolbar{gap:8px}
  .toolbar label.f{flex:1 1 150px}
  .grid2,.grid3{grid-template-columns:1fr}
}

/* Phone: the data grid turns into stacked cards */
@media (max-width:720px){
  .wrap{padding:10px}
  h1{font-size:18px}
  .stats{grid-template-columns:repeat(2,1fr);gap:8px}
  .stat{padding:10px 12px}
  .stat b{font-size:18px}
  .stat span{font-size:10.5px}
  .card>header{padding:10px 12px}
  .card>.body{padding:12px}

  table.stacked thead{display:none}
  table.stacked tbody tr{display:block;border:1px solid var(--line);border-radius:var(--radius);
    margin:10px;padding:6px 4px;background:#fff;box-shadow:var(--shadow)}
  table.stacked tbody tr:hover{background:#fff}
  table.stacked td{display:flex;justify-content:space-between;align-items:center;gap:12px;
    border:0;padding:6px 10px;text-align:right}
  table.stacked td::before{content:attr(data-label);font-size:11px;font-weight:600;color:#4b5563;
    text-transform:uppercase;letter-spacing:.4px;text-align:left;flex:none}
  table.stacked td.name-cell{display:block;text-align:left;max-width:none;
    border-bottom:1px solid var(--line);padding-bottom:9px;margin-bottom:3px}
  table.stacked td.name-cell::before{display:none}
  table.stacked td[data-col=pick]{justify-content:flex-start}
  table.stacked td[data-col=pick]::before{content:"Select"}
  .price-input{width:110px;border-color:#cfd4da;background:#fff}

  .pager{justify-content:center}
  .sticky-actions{flex-wrap:wrap}
  .btn{padding:9px 13px}          /* larger touch targets */
  .check{padding:3px 0}
  .colmenu-pop{position:fixed;left:10px;right:10px;top:auto;width:auto}
}

@media (max-width:420px){
  .stats{grid-template-columns:1fr}
}

/* Touch devices: price fields always look editable */
@media (hover:none){
  .price-input{border-color:#cfd4da;background:#fff}
  th.col .grip{color:#8b929b}
}

@media print{
  .topbar,.toolbar,.pager,.sticky-actions,.btn{display:none!important}
  .card{box-shadow:none;border:0}
  body{background:#fff}
}

/* ---- per-column filter row ---- */
tr.filters th{background:#f2f4f7;padding:5px 8px;border-bottom:2px solid var(--line);
  position:sticky;top:calc(52px + 33px);z-index:4}
tr.filters input.col-filter{width:100%;min-width:74px;padding:4px 7px;font-size:12px;
  border:1px solid #cfd4da;border-radius:5px;background:#fff}
tr.filters input.col-filter:focus{outline:2px solid rgba(31,111,235,.3)}
tr.filters th.num input.col-filter{text-align:right}
tr.filters .btn.sm{padding:2px 8px;line-height:1.4}
th.col a{display:inline-block}

@media (max-width:1024px){ tr.filters th{position:static} }
@media (max-width:720px){
  table.stacked tr.filters{display:none}   /* header filters hidden in card view */
}

/* ---- freeze (pin) a column ---- */
th.col .pin{border:0;background:transparent;padding:2px 3px;border-radius:4px;cursor:pointer;
  color:#b6bcc4;line-height:0;flex:none}
th.col .pin:hover{color:var(--brand);background:#eef2f7}
th.col .pin svg{fill:currentColor;display:block}
th.col .pin[aria-pressed="true"]{color:var(--brand)}
th.col .pin[aria-pressed="true"] svg{transform:rotate(-35deg)}

th.pinned,td.pinned{position:sticky;z-index:3;background:var(--panel)}
thead th.col.pinned{background:#fafbfc;z-index:9}
tr.filters th.pinned{background:#f2f4f7;z-index:8}
tbody tr:hover td.pinned{background:#f8fafc}
.pin-edge{box-shadow:1px 0 0 var(--line),4px 0 8px -4px rgba(16,24,40,.22)}

@media (max-width:720px){
  /* card view stacks everything, so freezing has nothing to do */
  .pinned{position:static!important;left:auto!important}
  .pin-edge{box-shadow:none!important}
  th.col .pin{display:none}
}

/* ---- language switcher ---- */
.langsel{display:flex;gap:2px;background:#1e242c;border-radius:6px;padding:2px}
.langsel a{color:#98a2ae;padding:3px 8px;border-radius:4px;font-size:11.5px;font-weight:700;
  text-transform:uppercase;letter-spacing:.4px;text-decoration:none}
.langsel a:hover{color:#fff;background:#2a323c;text-decoration:none}
.langsel a.on{background:var(--brand);color:#fff}
.login-lang{justify-content:center;margin-top:16px;background:transparent;padding:0}
.login-lang a{color:var(--muted);border:1px solid var(--line);background:#fff;
  text-transform:none;font-size:12.5px;letter-spacing:0;padding:5px 12px}
.login-lang a.on{background:var(--brand);color:#fff;border-color:var(--brand)}
/* Georgian needs a touch more line height to breathe */
html[lang=ka] body{line-height:1.62}
html[lang=ka] th{letter-spacing:0}