/* ==========================================================================
   Дэлгүүрийн бараа бүртгэл — үндсэн загвар
   ========================================================================== */
:root{
  --bg:#f4f6fa;
  --panel:#ffffff;
  --ink:#16202e;
  --ink-2:#5a6a7d;
  --line:#e3e8ef;
  --brand:#1f6feb;
  --brand-d:#1554b8;
  --ok:#12855a;
  --ok-bg:#e6f6ee;
  --warn:#a76b00;
  --warn-bg:#fff5e0;
  --bad:#c02b34;
  --bad-bg:#fdecec;
  --side:#111a2b;
  --side-2:#1b2740;
  --radius:12px;
  --shadow:0 1px 2px rgba(16,24,40,.06), 0 8px 24px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  background:var(--bg); color:var(--ink); font-size:14px; line-height:1.5;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .6rem}
.muted{color:var(--ink-2)}
.small{font-size:12px}
.right{text-align:right}
.center{text-align:center}
.nowrap{white-space:nowrap}
.mt{margin-top:16px}
.mb{margin-bottom:16px}

/* ---------- Layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{
  width:248px;flex:0 0 248px;background:var(--side);color:#c7d2e1;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.brand{display:flex;gap:10px;align-items:center;padding:18px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-mark{width:36px;height:36px;border-radius:9px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:18px}
.brand-name{color:#fff;font-weight:600;font-size:14px;letter-spacing:.2px}
.brand-sub{font-size:11px;color:#8b9bb2}
.nav{flex:1;overflow-y:auto;padding:10px 8px}
.nav-group{font-size:10.5px;letter-spacing:.9px;text-transform:uppercase;color:#6f8098;padding:14px 10px 6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;
  color:#c7d2e1;font-size:13.5px;margin-bottom:2px}
.nav-item:hover{background:var(--side-2);color:#fff;text-decoration:none}
.nav-item.active{background:var(--brand);color:#fff;font-weight:500}
.nav-ico{width:18px;text-align:center;opacity:.9}
.nav-badge{margin-left:auto;background:#e5484d;color:#fff;border-radius:999px;
  font-size:11px;padding:1px 7px;font-weight:600}
.sidebar-foot{padding:12px;border-top:1px solid rgba(255,255,255,.08)}
.me{display:flex;gap:10px;align-items:center;margin-bottom:10px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--side-2);color:#fff;
  display:grid;place-items:center;font-weight:600}
.me-name{color:#fff;font-size:13px}
.me-role{font-size:11px;color:#8b9bb2}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:12px;background:var(--panel);
  border-bottom:1px solid var(--line);padding:12px 22px;position:sticky;top:0;z-index:20}
.page-title{font-size:17px;margin:0;font-weight:600}
.topbar-right{margin-left:auto;color:var(--ink-2);font-size:12.5px}
.burger{display:none;background:none;border:0;font-size:20px;cursor:pointer}
.content{padding:22px;flex:1}
.foot{padding:14px 22px;color:var(--ink-2);font-size:12px;border-top:1px solid var(--line)}

/* ---------- Card ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:18px}
.card-head{padding:14px 16px;border-bottom:1px solid var(--line);display:flex;
  align-items:center;gap:10px;flex-wrap:wrap}
.card-head h2,.card-head h3{margin:0;font-size:15px;font-weight:600}
.card-head .spacer{margin-left:auto}
.card-body{padding:16px}
.card-body.tight{padding:0}

/* ---------- Grid ---------- */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:1100px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.g2,.g3,.g4{grid-template-columns:1fr}}

/* ---------- Stat ---------- */
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow)}
.stat-label{color:var(--ink-2);font-size:12.5px;margin-bottom:6px}
.stat-value{font-size:24px;font-weight:700;letter-spacing:-.4px}
.stat-sub{font-size:12px;color:var(--ink-2);margin-top:4px}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
table.tbl th{background:#f8fafc;text-align:left;font-weight:600;color:var(--ink-2);
  padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap;font-size:12.5px}
table.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
table.tbl tbody tr:hover{background:#f9fbff}
table.tbl tfoot td{font-weight:600;background:#f8fafc}
.thumb{width:40px;height:40px;object-fit:cover;border-radius:6px;border:1px solid var(--line);background:#fff}
.thumb-ph{width:40px;height:40px;border-radius:6px;border:1px dashed var(--line);
  display:grid;place-items:center;color:#b6c0cd;font-size:16px}

/* ---------- Form ---------- */
label{display:block;font-size:12.5px;color:var(--ink-2);margin:12px 0 5px;font-weight:500}
.input,select,textarea{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;
  background:#fff;font:inherit;color:var(--ink);outline:none
}
.input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,111,235,.12)}
.input[readonly]{background:#f5f7fa}
.form-row{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
.form-row.three{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:700px){.form-row,.form-row.three{grid-template-columns:1fr}}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.filters label{margin:0 0 4px}
.filters .f{min-width:150px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 15px;border-radius:9px;border:1px solid var(--line);background:#fff;
  color:var(--ink);font:inherit;font-weight:500;cursor:pointer;white-space:nowrap}
.btn:hover{background:#f5f7fa;text-decoration:none}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d);border-color:var(--brand-d)}
.btn-ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn-ok:hover{filter:brightness(.94)}
.btn-danger{background:var(--bad);border-color:var(--bad);color:#fff}
.btn-danger:hover{filter:brightness(.94)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:#c7d2e1}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-sm{padding:5px 10px;font-size:12.5px;border-radius:7px}
.btn-block{width:100%;margin-top:16px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-group{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- Badge / Alert ---------- */
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:600}
.badge-ok{background:var(--ok-bg);color:var(--ok)}
.badge-warn{background:var(--warn-bg);color:var(--warn)}
.badge-bad{background:var(--bad-bg);color:var(--bad)}
.badge-muted{background:#eef1f5;color:var(--ink-2)}
.badge-info{background:#e7f0ff;color:var(--brand-d)}

.alert{padding:11px 14px;border-radius:10px;margin-bottom:14px;font-size:13.5px;border:1px solid transparent}
.alert-success{background:var(--ok-bg);color:var(--ok);border-color:#bfe6d3}
.alert-danger{background:var(--bad-bg);color:var(--bad);border-color:#f5c6c9}
.alert-warning{background:var(--warn-bg);color:var(--warn);border-color:#f0dcae}
.alert-info{background:#e7f0ff;color:var(--brand-d);border-color:#c6dbff}

/* ---------- Tabs ---------- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.tab{padding:9px 14px;border-radius:9px 9px 0 0;color:var(--ink-2);font-weight:500}
.tab:hover{background:#eef2f8;text-decoration:none}
.tab.active{background:var(--panel);color:var(--brand);border:1px solid var(--line);
  border-bottom-color:var(--panel);margin-bottom:-1px}

/* ---------- Bar chart ---------- */
.bars{display:flex;flex-direction:column;gap:11px}
.bar-row{display:grid;grid-template-columns:130px 1fr 110px;gap:10px;align-items:center;font-size:13px}
.bar-track{background:#eef2f8;border-radius:999px;height:10px;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:var(--brand)}
.bar-fill.c1{background:#2a78d6}.bar-fill.c2{background:#eb6834}.bar-fill.c3{background:#1baf7a}
.bar-fill.c4{background:#eda100}.bar-fill.c5{background:#e87ba4}
.bar-fill.c6{background:#008300}.bar-fill.c7{background:#4a3aa7}.bar-fill.c8{background:#e34948}

/* ---------- POS ---------- */
.pos{display:grid;grid-template-columns:1fr 380px;gap:16px;align-items:start}
@media(max-width:1000px){.pos{grid-template-columns:1fr}}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.pcard{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px;
  cursor:pointer;text-align:left;font:inherit;color:inherit}
.pcard:hover{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,111,235,.10)}
.pcard img,.pcard .ph{width:100%;height:96px;object-fit:cover;border-radius:8px;background:#f1f4f8;
  display:grid;place-items:center;color:#b6c0cd;margin-bottom:8px}
.pcard .nm{font-size:13px;font-weight:600;line-height:1.3;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:34px}
.pcard .mt2{display:flex;justify-content:space-between;align-items:center;margin-top:6px}
.pcard .pr{color:var(--brand);font-weight:700}
.cart{position:sticky;top:74px}
.cart-items{max-height:44vh;overflow-y:auto}
.ci{display:grid;grid-template-columns:1fr auto;gap:6px;padding:10px 0;border-bottom:1px solid var(--line)}
.ci-nm{font-size:13px;font-weight:600}
.ci-sub{font-size:11.5px;color:var(--ink-2)}
.qty{display:flex;align-items:center;gap:6px}
.qty button{width:26px;height:26px;border-radius:6px;border:1px solid var(--line);
  background:#fff;cursor:pointer;font-size:15px;line-height:1}
.qty input{width:46px;text-align:center;padding:4px;border:1px solid var(--line);border-radius:6px}
.totals{border-top:2px solid var(--line);padding-top:12px;margin-top:8px}
.trow{display:flex;justify-content:space-between;padding:4px 0}
.trow.big{font-size:19px;font-weight:700;padding-top:8px}
.pm-list{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:6px}
.pm{border:1px solid var(--line);border-radius:9px;padding:9px;text-align:center;cursor:pointer;
  font-size:13px;background:#fff;user-select:none}
.pm.sel{border-color:var(--brand);background:#eef4ff;color:var(--brand-d);font-weight:600}

/* ---------- Auth ---------- */
.auth-body{display:grid;place-items:center;min-height:100vh;
  background:linear-gradient(160deg,#111a2b 0%,#1b2740 55%,#26476f 100%);padding:20px}
.auth-card{background:#fff;border-radius:16px;padding:32px;width:100%;max-width:390px;
  box-shadow:0 20px 60px rgba(0,0,0,.35)}
.auth-logo{width:52px;height:52px;border-radius:14px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:24px;font-weight:700;margin:0 auto 14px}
.auth-title{text-align:center;font-size:19px;margin:0 0 2px}
.auth-sub{text-align:center;color:var(--ink-2);font-size:13px;margin:0 0 18px}

/* ---------- Receipt ---------- */
.receipt{max-width:340px;margin:0 auto;background:#fff;padding:18px;border:1px solid var(--line);
  border-radius:10px;font-family:"Consolas","Courier New",monospace;font-size:12.5px}
.receipt h2{text-align:center;font-size:15px;margin:0 0 2px}
.receipt .sep{border-top:1px dashed #999;margin:8px 0}
.receipt table{width:100%;border-collapse:collapse}
.receipt td{padding:2px 0;vertical-align:top}

@media print{
  .sidebar,.topbar,.foot,.no-print{display:none!important}
  .content{padding:0}
  body{background:#fff}
  .receipt{border:0;max-width:100%}
}
@media(max-width:900px){
  .sidebar{position:fixed;left:-260px;z-index:60;transition:left .2s}
  .sidebar.open{left:0}
  .burger{display:block}
  .content{padding:14px}
}

/* ==========================================================================
   Графикийн бүрдлүүд (dashboard, тайлан)
   Категорийн өнгө: #2a78d6 #eb6834 #1baf7a #eda100 #e87ba4 #008300 #4a3aa7 #e34948
   — дараалал тогтмол, өнгө сольж давтахгүй.
   ========================================================================== */

/* --- Өнгөт KPI хайрцаг --- */
.kpi{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:15px 16px 14px;box-shadow:var(--shadow);overflow:hidden}
.kpi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--k)}
.kpi::after{content:"";position:absolute;inset:0;background:var(--k);opacity:.055;pointer-events:none}
.kpi > *{position:relative;z-index:1}
.kpi-top{display:flex;align-items:center;gap:9px;margin-bottom:9px}
.kpi-ico{width:27px;height:27px;border-radius:8px;display:grid;place-items:center;
  background:var(--k);color:#fff;font-size:14px;line-height:1;flex:0 0 auto}
.kpi-label{font-size:12.5px;color:var(--ink-2);font-weight:500}
.kpi-val{font-size:23px;font-weight:700;letter-spacing:-.4px;line-height:1.15;
  font-variant-numeric:tabular-nums}
.kpi-sub{font-size:12px;color:var(--ink-2);margin-top:4px}

/* --- Бөгж (donut) --- */
.viz-donut{display:grid;grid-template-columns:250px minmax(0,1fr);gap:20px;align-items:center}
@media(max-width:720px){.viz-donut{grid-template-columns:1fr}}
.donut-box svg{width:100%;height:auto;max-width:260px;display:block;margin:0 auto}
.dseg{cursor:pointer;transition:stroke-width .12s ease,opacity .12s ease}
.donut-box svg:has(.dseg:hover) .dseg{opacity:.38}
.viz-donut .dseg:hover{opacity:1;stroke-width:31}
.dlab,.dcv,.dcl{pointer-events:none}
.dlab{font:600 12px "Segoe UI",system-ui,sans-serif;fill:#5a6a7d;text-anchor:middle}
.dcv{font:700 18px "Segoe UI",system-ui,sans-serif;fill:#16202e;text-anchor:middle}
.dcl{font:400 11.5px "Segoe UI",system-ui,sans-serif;fill:#5a6a7d;text-anchor:middle}

.viz-legend{list-style:none;margin:0;padding:0}
.viz-legend li{display:grid;grid-template-columns:11px minmax(0,1fr) auto 52px;gap:11px;
  align-items:center;padding:8px 0;border-bottom:1px solid var(--line);font-size:13px}
.viz-legend li:last-child{border-bottom:0}
.ldot{width:11px;height:11px;border-radius:3px}
.lname{font-weight:500;min-width:0}
.lnote{display:block;font-size:11.5px;color:var(--ink-2);font-weight:400}
.lval{color:var(--ink-2);font-variant-numeric:tabular-nums;white-space:nowrap}
.lpct{font-weight:700;text-align:right;font-variant-numeric:tabular-nums}

/* --- Талбайт шугаман --- */
.viz-area svg{width:100%;height:auto;display:block}
.viz-area .gl{stroke:#eef2f6;stroke-width:1}
.viz-area .pt{fill:#fff;stroke:#2a78d6;stroke-width:2;cursor:pointer;transition:r .12s ease}
.viz-area .pt:hover{r:7.5}
.viz-area .xl,.viz-area .plab{pointer-events:none}
.viz-area .xl{font:400 11px "Segoe UI",system-ui,sans-serif;fill:#5a6a7d;text-anchor:middle}
.viz-area .plab{font:700 12px "Segoe UI",system-ui,sans-serif;fill:#16202e;text-anchor:middle}

/* --- Хэвтээ багана --- */
.viz-bars{display:flex;flex-direction:column;gap:11px}
.vb-row{display:grid;grid-template-columns:minmax(110px,1.25fr) minmax(60px,2fr) auto;
  gap:12px;align-items:center;font-size:13px}
.vb-name{font-weight:500;line-height:1.25}
.vb-sub{display:block;font-size:11.5px;color:var(--ink-2);font-weight:400}
.vb-track{background:#eef2f6;border-radius:999px;height:10px;overflow:hidden}
.vb-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#5598e7,#2a78d6)}
.vb-val{font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}

/* --- Хөвөгч тайлбар --- */
.viz-tip{position:fixed;z-index:900;background:#111a2b;color:#fff;padding:6px 11px;border-radius:8px;
  font-size:12.5px;pointer-events:none;box-shadow:0 8px 22px rgba(16,24,40,.28);white-space:nowrap;
  display:none}

@media print{
  .viz-tip{display:none!important}
  .kpi::after{display:none}
}