:root{
  --bg:#f4f3ef; --panel:#ffffff; --ink:#1d2320; --muted:#6b736e; --line:#e4e2da; --accent:#946f10; --accent-ink:#ffffff;
  --brand:#1f2a24; --good:#1d7446; --good-bg:#e1f1e7; --ok:#755f10; --ok-bg:#f5eed5; --bad:#a23b2a; --bad-bg:#f8e1dc; --mark:#fbf5e2;
  --grid:#ecebe4; --bidc:#1d6aa0; --askc:#a23b2a;
  --font:"Inter","Segoe UI",system-ui,-apple-system,sans-serif; --mono:"JetBrains Mono","Cascadia Mono",Consolas,monospace;
  --hdr:44px; --gap:8px;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#111513; --panel:#191f1c; --ink:#e7e9e4; --muted:#949e97; --line:#2a322d; --accent:#d4a72c; --accent-ink:#1a1405;
  --good:#6fd39b; --good-bg:#17311f; --ok:#e2c25e; --ok-bg:#302d18; --bad:#f08a76; --bad-bg:#381e19; --mark:#24261a; --grid:#232a26;
  --bidc:#7cb8e6; --askc:#f08a76;}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:13px/1.35 var(--font)}
body.center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}
a{color:var(--accent)}
code{font-family:var(--mono);font-size:11px;background:var(--grid);padding:1px 4px;border-radius:4px}
.hidden{display:none!important}
.muted{color:var(--muted)} .small{font-size:12px} .tiny{font-size:11px;margin:4px 0 0} .nowrap{white-space:nowrap}
h2{font-size:15px;margin:2px 0 8px} h3{font-size:13px;margin:10px 0 6px}
small{font-size:.7em;color:var(--muted);font-weight:500}

/* ---------- header: one 44px row ---------- */
.top{position:sticky;top:0;z-index:20;height:var(--hdr);display:flex;align-items:center;gap:12px;padding:0 12px;background:var(--brand);color:#eef0ea}
.brand{display:flex;align-items:center;gap:7px;font-weight:650;white-space:nowrap}
.brand.big{font-size:19px;margin-bottom:10px;color:var(--ink)}
#tabs{display:flex;gap:1px;height:100%}
#tabs button{background:none;border:0;border-radius:0;color:#c3cac2;padding:0 11px;font:inherit;cursor:pointer;display:flex;align-items:center;gap:5px;border-bottom:2px solid transparent}
#tabs button b{font-weight:400;opacity:.8}
#tabs button.on{color:#fff;border-bottom-color:#d4a72c} #tabs button:hover{color:#fff}
.who{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:12px;color:#c3cac2;white-space:nowrap}
.who .ghost{color:#eef0ea;border-color:#46544b}
.status{display:flex;align-items:center;gap:6px;cursor:help;font-variant-numeric:tabular-nums}
.dot{width:8px;height:8px;border-radius:50%;background:#888;display:inline-block}
.dot.on{background:#4cc27f;box-shadow:0 0 0 3px rgba(76,194,127,.22)} .dot.off{background:#e0624d}
main{padding:var(--gap) 12px 28px;max-width:1600px;margin:0 auto}
.kitebar{display:block;background:var(--bad-bg);color:var(--bad);padding:9px 12px;font-weight:650;text-decoration:none;text-align:center}
#kiteBadge{text-decoration:none}
.kmsg{font-size:15px;font-weight:600} .kmsg.good{color:var(--good)} .kmsg.bad{color:var(--bad)}
.btn.big{height:52px;justify-content:center;font-size:17px;width:100%}
.foot{font-size:11px;color:var(--muted);text-align:center;padding:6px 12px 14px}

/* ---------- compact stats and toolbars ---------- */
.bar{display:flex;align-items:stretch;gap:var(--gap);flex-wrap:wrap;margin-bottom:var(--gap)}
.bar .stats{flex:1;margin:0}
.bar .chk{align-self:center}
.stats{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 var(--gap)}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:4px 10px;min-width:118px;flex:1 1 118px}
.kpi .k{font-size:10px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);line-height:1.2}
.kpi .v{font-size:16px;font-weight:650;font-variant-numeric:tabular-nums;line-height:1.3;white-space:nowrap}
.kpi .s{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin:0 0 var(--gap)}
.card.warn{border-color:var(--ok);background:var(--ok-bg)}
.card.login{width:100%;max-width:340px;display:flex;flex-direction:column;gap:10px}
.card p{margin:4px 0}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap)}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:6px 0}
.row.between{justify-content:space-between} .row.end{justify-content:flex-end}
.split{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:var(--gap);align-items:start}
.side{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:6px 10px;position:sticky;top:calc(var(--hdr) + 8px)}
.side h3{margin:4px 0}

/* ---------- forms ---------- */
label{display:flex;flex-direction:column;gap:2px;font-size:11px;color:var(--muted)}
.row label{flex-direction:row;align-items:center;gap:5px}
label.chk{flex-direction:row;align-items:center;gap:5px;color:var(--ink);font-size:12px;white-space:nowrap}
input,select{font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:4px 7px;min-width:0;height:28px}
input:focus,select:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}
#rulesF,#purityF,#ratesF{display:grid;grid-template-columns:1fr 104px;gap:3px 8px;align-items:center}
#rulesF label,#purityF label,#ratesF label{display:contents;color:var(--ink);font-size:12px}
#rulesF input,#purityF input,#ratesF input{width:104px;text-align:right}
#tab-settings .card > label{max-width:420px;margin:4px 0}
button,.btn{font:inherit;border-radius:6px;padding:4px 11px;height:28px;cursor:pointer;border:1px solid var(--line);text-decoration:none;display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}
.ghost{background:transparent;color:var(--ink)} .ghost:hover{border-color:var(--accent)}
.sm{padding:1px 7px;height:24px;font-size:12px}
button:disabled{opacity:.5;cursor:wait}
.seg{display:flex;gap:3px;flex-wrap:wrap;align-self:center}
.seg button{background:var(--panel);height:auto;min-height:28px;padding:3px 9px} .seg button.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.seg button.on .muted{color:#c3cac2}

/* ---------- dense tables ---------- */
.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:8px;background:var(--panel);max-height:calc(100vh - var(--hdr) - 110px)}
#tab-live .tablewrap{max-height:calc(100vh - var(--hdr) - 76px)}
table{border-collapse:collapse;width:100%}
th,td{padding:3px 7px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;height:22px}
th{position:sticky;top:0;background:var(--panel);font-size:10px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);font-weight:600;z-index:2;box-shadow:0 1px 0 var(--line)}
table.num td{text-align:right;font-variant-numeric:tabular-nums} table.num td.l,table.num th.l{text-align:left}
table.num th{text-align:right} table.num th:first-child{text-align:left}
table.small td,table.small th{font-size:12px;padding:2px 6px}
tbody tr:hover td{background:var(--grid)}
table.form td{border:0;padding:3px 4px} table.form input,table.form select{width:100%}
#chain td.stk{position:sticky;left:0;background:var(--panel);font-weight:600;z-index:1}
#chain th:first-child{position:sticky;left:0;z-index:3}
#chain sup{font-size:9px;color:var(--accent);margin-left:3px;font-weight:700}
tr.mark td,tr.mark td.stk{background:var(--mark)}
tr.fsep td{background:var(--brand);color:#e9d79c;font-size:10px;text-align:center!important;letter-spacing:.6px;height:16px;padding:1px}
tr.detail td{background:var(--grid);white-space:normal}
.dgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px 10px;font-size:11px;color:var(--muted);text-align:left}
.dgrid b{color:var(--ink);font-weight:600}
.bid{color:var(--bidc)} .ask{color:var(--askc)} .sl{color:var(--muted);margin:0 3px}
.edge{font-size:11px;color:var(--muted);margin-left:4px;display:inline-block;min-width:38px}
.wbar{display:inline-block;width:26px;height:5px;background:var(--grid);border-radius:3px;vertical-align:middle;margin-left:4px;overflow:hidden}
.wbar i{display:block;height:100%;background:var(--accent)}
.w0{width:0}.w1{width:10%}.w2{width:20%}.w3{width:30%}.w4{width:40%}.w5{width:50%}.w6{width:60%}.w7{width:70%}.w8{width:80%}.w9{width:90%}.w10{width:100%}
tr.alt td{font-size:11px;border-bottom-style:dashed;height:18px}
td.pos{color:var(--good)} td.neg{color:var(--bad)}
.pill{display:inline-block;padding:0 6px;border-radius:999px;font-size:10px;font-weight:700;letter-spacing:.3px;line-height:16px}
.pillbtn{border:0;height:auto;cursor:pointer;font:inherit;font-size:10px;font-weight:700;padding:1px 7px}
.attrgrid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px}
.attrgrid div{border:1px solid var(--line);border-radius:6px;padding:4px 8px;display:flex;flex-direction:column}
.attrgrid span{font-size:10px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
.attrgrid b{font-size:16px;font-variant-numeric:tabular-nums}
.attrgrid b.pos{color:var(--good)} .attrgrid b.neg{color:var(--bad)}
.attrgrid .tot{background:var(--grid)} .attrgrid em{font-style:normal;font-size:11px;color:var(--muted)}
@media (max-width:1100px){.attrgrid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.pill.good{background:var(--good-bg);color:var(--good)} .pill.ok{background:var(--ok-bg);color:var(--ok)} .pill.bad{background:var(--bad-bg);color:var(--bad)} .pill.muted{background:var(--grid);color:var(--muted)}
.fillp,.filll{width:84px;text-align:right}
.filll{width:56px}
#saleRows{max-width:720px}
#saleRows td:nth-child(2) input,#saleRows td:nth-child(3) input{text-align:right}

svg#smile{width:100%;height:auto;display:block}
svg .grid{stroke:var(--grid);stroke-width:1}
svg .ax{fill:var(--muted);font-size:10px;font-family:var(--font)}
svg .fair{fill:none;stroke:var(--accent);stroke-width:2}
svg .mkt{fill:var(--brand);opacity:.5}
@media (prefers-color-scheme: dark){svg .mkt{fill:#9fc3ae}}
svg .fline{stroke:var(--muted);stroke-dasharray:3 3}
#futs td,#futs th{font-size:11px;padding:2px 4px;height:19px}

details.help{margin-top:var(--gap);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:6px 12px;font-size:12px}
details.help summary{cursor:pointer;font-weight:600}
dialog{border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink);width:min(440px,94vw)}
dialog::backdrop{background:rgba(0,0,0,.4)}
dialog label{margin:6px 0}
.toast{position:fixed;right:12px;bottom:12px;background:var(--brand);color:#fff;padding:8px 12px;border-radius:8px;z-index:50;max-width:min(420px,92vw)}
.toast.bad{background:var(--bad)}
.err{color:var(--bad);min-height:1em;margin:0}

@media (max-width:1100px){.split{grid-template-columns:1fr}.side{position:static}.grid3{grid-template-columns:1fr 1fr}}

/* ---------- phone: bottom tab bar, key columns only, tap a chain row for details ---------- */
@media (max-width:760px){
  :root{--hdr:42px;--gap:6px}
  html,body{font-size:13px}
  .brand span,#user{display:none}
  .top{gap:8px;padding:0 10px}
  #tabs{position:fixed;left:0;right:0;bottom:0;height:56px;background:var(--brand);justify-content:space-around;z-index:30;
        padding-bottom:env(safe-area-inset-bottom);border-top:1px solid #2f3d35}
  #tabs button{flex:1;flex-direction:column;justify-content:center;gap:1px;font-size:10px;padding:0;border-bottom:0;border-top:2px solid transparent}
  #tabs button b{font-size:17px}
  #tabs button.on{border-top-color:#d4a72c;border-bottom:0}
  main{padding:6px 6px 4px}
  .foot{padding-bottom:72px}
  .hm{display:none}
  .grid2,.grid3{grid-template-columns:1fr}
  .attrgrid{grid-template-columns:repeat(2,minmax(0,1fr))} .attrgrid b{font-size:14px}
  .stats{flex-wrap:nowrap;gap:4px}
  .kpi{min-width:0;flex:1 1 0;padding:3px 6px}
  .kpi .k{font-size:9px;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .kpi .v{font-size:13px}
  .kpi .s{display:none}
  #suggestOut .stats,#posCards{flex-wrap:wrap} #suggestOut .kpi,#posCards .kpi{flex:1 1 calc(50% - 4px)} #suggestOut .kpi .s,#posCards .kpi .s{display:block}
  .bar{gap:6px}
  .bar .stats{order:3;flex-basis:100%}
  th,td{padding:3px 5px;height:26px}
  #tab-live .tablewrap,.tablewrap{max-height:none;overflow:auto}
  #chain tbody tr[data-k]{cursor:pointer}
  .side{padding:6px 8px}
  #legs td:nth-child(3){font-size:11px}
  /* ledger: time, action, contract, side, lots, price, total charges */
  #ledgerT th:nth-child(2),#ledgerT td:nth-child(2),#ledgerT th:nth-child(n+7):not(:nth-child(14)),#ledgerT td:nth-child(n+7):not(:nth-child(14)){display:none}
  #ledgerT td:nth-child(3){font-size:11px}
  /* sales: date, karat, weight, fine, value, status */
  #salesT th:nth-child(2),#salesT td:nth-child(2),#salesT th:nth-child(5),#salesT td:nth-child(5),#salesT th:nth-child(8),#salesT td:nth-child(8),
  #salesT th:nth-child(9),#salesT td:nth-child(9),#salesT th:nth-child(10),#salesT td:nth-child(10),#salesT th:nth-child(11),#salesT td:nth-child(11),
  #salesT th:nth-child(13),#salesT td:nth-child(13){display:none}
  .card table:not(.form){display:block;overflow-x:auto}
  #saleRows thead{display:none}
  #saleRows tr{display:grid;grid-template-columns:70px 1fr 1fr 36px;gap:4px;align-items:center;margin-bottom:6px}
  #saleRows td{padding:0}
  #saleRows td.fine{grid-column:1/-1;order:5;font-size:11px;padding:0 4px}
  #saleRows .x{width:36px;justify-content:center}
  #saleRows td:nth-child(2) input::placeholder,#saleRows td:nth-child(3) input::placeholder{font-size:11px}
  #fillT th:nth-child(1),#fillT td:nth-child(1),#fillT th:nth-child(3),#fillT td:nth-child(3),#fillT th:nth-child(4),#fillT td:nth-child(4),#fillT th:nth-child(5),#fillT td:nth-child(5),#fillT th:nth-child(6),#fillT td:nth-child(6),#fillT th:nth-child(10),#fillT td:nth-child(10){display:none}
  #fillT td:nth-child(2){font-size:11px;white-space:normal;word-break:break-all;min-width:110px}
  .fillp{width:76px}.filll{width:44px}
  tr.alt td:nth-child(2){max-width:150px;overflow:hidden;text-overflow:ellipsis}
  #suggestOut .rates table th:nth-child(2),#suggestOut .rates table td:nth-child(2),
  #suggestOut .rates table th:nth-child(3),#suggestOut .rates table td:nth-child(3){display:none}
  .toast{bottom:66px}
  button,.btn,input,select{height:32px}
  .sm{height:28px}
}