:root{
  --bg:#f6f7fb; --card:#fff; --ink:#16181d; --muted:#6b7280; --line:#e5e7eb;
  --pink:#e11d64; --blue:#2563eb; --green:#16a34a; --amber:#d97706;
}
*{box-sizing:border-box}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Vazirmatn","IRANSans","Segoe UI",Tahoma,system-ui,sans-serif;
  font-size:14px;line-height:1.7;
}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}

/* ---------- هدر ---------- */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:9}
.top .wrap{display:flex;align-items:center;gap:20px;height:58px}
.brand{font-weight:700;color:var(--ink);font-size:16px}
.top nav{display:flex;gap:6px;flex:1}
.top nav a{padding:6px 12px;border-radius:8px;color:var(--muted)}
.top nav a.on,.top nav a:hover{background:#f1f3f9;color:var(--ink);text-decoration:none}
.out{color:var(--muted)}

/* ---------- کارت‌ها ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin:16px 0}
.card h1{font-size:19px;margin:0 0 4px}
.card h2{font-size:15px;margin:0 0 14px;display:flex;align-items:center;gap:8px}
.cards{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;flex:1;min-width:150px;display:flex;flex-direction:column}
.kpi span{color:var(--muted);font-size:12px}
.kpi b{font-size:24px;letter-spacing:-.5px}
.kpi small{color:var(--muted)}
.kpi.sm b{font-size:19px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:880px){.grid2{grid-template-columns:1fr}}

/* ---------- جدول ---------- */
table{width:100%;border-collapse:collapse}
th,td{text-align:right;padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:12px;background:#fafbfd}
tr:hover td{background:#fbfcfe}
.muted{color:var(--muted)}
.sm{font-size:12px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;direction:ltr;text-align:right}
.up{color:var(--green);font-weight:600}
.down{color:var(--pink);font-weight:600}
.ext{color:var(--muted)}

/* ---------- برچسب گروه ---------- */
.tier{display:inline-block;padding:1px 9px;border-radius:20px;font-size:11px;font-weight:600}
.tier.hot{background:#fee2ea;color:#be123c}
.tier.warm{background:#fef3c7;color:#b45309}
.tier.cold{background:#e0f2fe;color:#0369a1}
.tier.new{background:#ede9fe;color:#6d28d9}

/* ---------- فرم‌ها ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.filters label{display:flex;gap:6px;align-items:center;color:var(--muted);font-size:13px}
input,select{font:inherit;padding:8px 11px;border:1px solid var(--line);border-radius:9px;background:#fff;min-width:120px}
input[name=q]{flex:1;min-width:220px}
input:focus,select:focus{outline:2px solid #dbeafe;border-color:var(--blue)}
button,.btn{font:inherit;padding:8px 16px;border-radius:9px;border:1px solid transparent;background:var(--pink);color:#fff;cursor:pointer;font-weight:600}
button:hover,.btn:hover{filter:brightness(.94);text-decoration:none}
button:disabled{background:#cbd5e1;cursor:not-allowed}
.btn.ghost{background:#fff;border-color:var(--line);color:var(--ink);font-weight:500}
.inline{margin-top:14px}
.pager{display:flex;gap:8px;margin-top:14px}

/* ---------- نمودار ---------- */
.chart{width:100%;height:auto;display:block}
.chart .grid{stroke:#eef0f5;stroke-width:1}
.chart .ylab{fill:var(--muted);font-size:10px;text-anchor:end}
.chart .xlab{fill:var(--muted);font-size:10px;text-anchor:middle;direction:ltr}
.empty{color:var(--muted);background:#fafbfd;border:1px dashed var(--line);border-radius:10px;padding:18px;text-align:center}

/* ---------- ورود ---------- */
body.center{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.login{width:360px;max-width:100%;display:flex;flex-direction:column;gap:14px}
.login h1{font-size:17px;text-align:center;margin-bottom:4px}
.login label{display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:13px}
.err{background:#fee2ea;color:#be123c;padding:9px 12px;border-radius:9px;font-size:13px}
.foot{color:var(--muted);font-size:12px;padding:20px 16px 36px;text-align:center}