:root{
  --ink:#1d2433;--mut:#6b7280;--line:#e5e7eb;--bg:#f3f5f9;--card:#fff;
  --side:#1f2937;--side2:#111827;--acc:#1877f2;--ok:#16a34a;--warn:#d97706;--bad:#dc2626;
}
*{box-sizing:border-box}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--ink);font-size:14px}
a{color:var(--acc);text-decoration:none}
.layout{display:flex;min-height:100vh}
/* ---------- sidebar ---------- */
.side{width:220px;background:linear-gradient(180deg,var(--side),var(--side2));color:#cbd5e1;display:flex;flex-direction:column;padding:14px 0}
.brand{color:#fff;font-weight:800;font-size:18px;padding:6px 18px 14px}
.brand span{font-weight:400;font-size:11px;color:#94a3b8;margin-left:6px;letter-spacing:2px}
.grp{font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:#64748b;padding:14px 18px 4px}
.side a{display:block;padding:8px 18px;color:#cbd5e1;font-size:13.5px;border-left:3px solid transparent}
.side a:hover{background:#ffffff10;color:#fff}
.side a.on{background:#ffffff14;color:#fff;border-left-color:var(--acc);font-weight:600}
.spacer{flex:1}
.who{padding:12px 18px;border-top:1px solid #ffffff1a;font-size:12px}
.who b{display:block;color:#fff;font-size:13px}
.who small{color:#94a3b8}
.who a{color:#fca5a5;padding:0;margin-top:6px;display:inline-block}
/* ---------- main ---------- */
.main{flex:1;padding:22px 26px;max-width:1200px}
.foot{color:#9ca3af;font-size:12px;margin-top:34px}
.ptop{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.ptop h1{font-size:20px;margin:0}
.sp{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
/* cards & kpis */
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:16px}
.card h3{margin:0 0 10px;font-size:15px}
.grid{display:grid;gap:12px}
.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.g4,.g3,.g2{grid-template-columns:1fr 1fr}}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.kpi b{display:block;font-size:24px}
.kpi span{color:var(--mut);font-size:12px}
.kpi .delta{color:var(--ok);font-size:12px}
/* charts (pure CSS bars) */
.chart{display:flex;align-items:flex-end;gap:6px;height:120px;padding-top:8px}
.chart i{flex:1;background:linear-gradient(180deg,#60a5fa,#1877f2);border-radius:4px 4px 0 0;min-height:4px}
.axis{display:flex;gap:6px;margin-top:4px}
.axis span{flex:1;text-align:center;font-size:9px;color:#9ca3af}
/* tables */
table.tbl{width:100%;border-collapse:collapse;background:#fff;font-size:13px}
.tbl th{background:#f8fafc;text-align:left;padding:9px 10px;color:var(--mut);font-weight:600;border-bottom:1px solid var(--line);font-size:12px}
.tbl td{padding:9px 10px;border-bottom:1px solid #f1f5f9;vertical-align:middle}
.tbl tr:hover td{background:#f8fafc}
.tbl .mini{font-size:11px;color:var(--mut)}
/* badges */
.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:20px;background:#eef2ff;color:#3730a3}
.badge.ok{background:#dcfce7;color:#166534}
.badge.warn{background:#fef3c7;color:#92400e}
.badge.bad{background:#fee2e2;color:#991b1b}
.badge.gray{background:#f1f5f9;color:#475569}
/* buttons & forms */
.btn{display:inline-block;background:var(--acc);color:#fff;border:0;border-radius:8px;padding:8px 14px;font-size:13px;cursor:pointer}
.btn:hover{filter:brightness(1.06)}
.btn.gray{background:#64748b}.btn.red{background:var(--bad)}.btn.green{background:var(--ok)}
.btn.sm{padding:4px 10px;font-size:12px}
.btn2{display:inline-block;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:7px 12px;font-size:12.5px;cursor:pointer}
.btn2.sm{padding:3px 9px;font-size:11.5px}
.filters{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{
  border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:13px;background:#fff;color:var(--ink);font-family:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;border-color:var(--acc)}
label.fl{display:block;font-size:12px;color:var(--mut);margin:10px 0 4px;font-weight:600}
.pagi{display:flex;gap:6px;justify-content:flex-end;margin-top:10px;font-size:13px;color:var(--mut)}
.pagi a,.pagi span{border:1px solid var(--line);background:#fff;border-radius:6px;padding:3px 10px}
.pagi .on{background:var(--acc);color:#fff;border-color:var(--acc)}
/* flash + misc */
.flash{padding:10px 14px;border-radius:10px;margin-bottom:14px;font-size:13.5px}
.flash.ok{background:#dcfce7;color:#166534}
.flash.err{background:#fee2e2;color:#991b1b}
.thumb{width:44px;height:44px;object-fit:cover;border-radius:8px;background:#e2e8f0;display:block}
.thumb.big{width:100%;height:150px}
.actions{display:flex;gap:6px;flex-wrap:wrap}
.post-body{max-width:520px}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}
.hint{color:var(--mut);font-size:12px}
hr.sep{border:0;border-top:1px solid var(--line);margin:14px 0}
/* login */
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#1f2937,#111827)}
.login{background:#fff;border-radius:16px;padding:30px;width:360px}
.login h1{margin:0 0 4px;font-size:20px}
.login p{color:var(--mut);font-size:13px;margin:0 0 18px}
.login .btn{width:100%;margin-top:14px;padding:10px}
.login .logo{width:48px;height:48px;border-radius:12px;background:var(--acc);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;margin-bottom:12px}