:root{
  --bg:#0f172a; --bg2:#1e293b; --card:#ffffff; --ink:#0f172a; --muted:#64748b;
  --brand:#2563eb; --brand2:#1d4ed8; --ok:#16a34a; --okbg:#dcfce7;
  --err:#dc2626; --errbg:#fee2e2; --line:#e2e8f0; --soft:#f8fafc;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:#f1f5f9;color:var(--ink);line-height:1.5}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

/* Topbar */
.topbar{background:linear-gradient(100deg,#1e3a8a,#2563eb);color:#fff;
  padding:0 20px;display:flex;align-items:center;gap:20px;height:58px;
  box-shadow:0 2px 8px rgba(0,0,0,.15);position:sticky;top:0;z-index:10}
.brand{font-weight:800;font-size:20px;letter-spacing:.5px;color:#fff;display:flex;align-items:center;gap:8px}
.brand .dot{background:#fff;color:var(--brand);border-radius:7px;padding:2px 8px;font-size:14px}
.nav{display:flex;gap:4px;flex:1;flex-wrap:wrap}
.nav a{color:#dbeafe;padding:8px 13px;border-radius:8px;font-size:14px;font-weight:500}
.nav a:hover{background:rgba(255,255,255,.12);text-decoration:none}
.nav a.active{background:rgba(255,255,255,.2);color:#fff}
.topbar .right{display:flex;align-items:center;gap:14px;font-size:14px}
.credits-pill{background:#fbbf24;color:#78350f;font-weight:700;padding:5px 12px;border-radius:20px;font-size:13px}
.btn-logout{background:rgba(255,255,255,.15);color:#fff;border:0;padding:7px 14px;border-radius:8px;cursor:pointer;font-size:13px}
.btn-logout:hover{background:rgba(255,255,255,.28)}

.wrap{max-width:1080px;margin:26px auto;padding:0 18px}
h1{font-size:24px;margin:0 0 4px}
h2{font-size:18px;margin:0 0 14px}
.sub{color:var(--muted);margin:0 0 22px;font-size:14px}

.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:20px;
  box-shadow:0 1px 3px rgba(0,0,0,.04)}
.card h2{display:flex;align-items:center;gap:8px}

.grid{display:grid;gap:16px}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
@media(max-width:760px){.grid.c4,.grid.c3,.grid.c2{grid-template-columns:1fr 1fr}}

.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.stat .n{font-size:30px;font-weight:800;line-height:1}
.stat .l{color:var(--muted);font-size:13px;margin-top:6px}
.stat.accent{background:linear-gradient(120deg,#2563eb,#1d4ed8);color:#fff;border:0}
.stat.accent .l{color:#dbeafe}
.stat.good .n{color:var(--ok)} .stat.bad .n{color:var(--err)}

label{display:block;font-size:13px;font-weight:600;margin:0 0 5px;color:#334155}
input,textarea,select{width:100%;padding:10px 12px;border:1px solid #cbd5e1;border-radius:9px;
  font-size:14px;font-family:inherit;background:#fff}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
textarea{resize:vertical;min-height:90px}
.field{margin-bottom:15px}
.row{display:flex;gap:12px}.row>*{flex:1}
.hint{font-size:12px;color:var(--muted);margin-top:4px}

.btn{display:inline-block;background:var(--brand);color:#fff;border:0;padding:10px 18px;border-radius:9px;
  font-size:14px;font-weight:600;cursor:pointer}
.btn:hover{background:var(--brand2);text-decoration:none}
.btn.sm{padding:6px 11px;font-size:13px}
.btn.gray{background:#475569}.btn.gray:hover{background:#334155}
.btn.danger{background:var(--err)}.btn.danger:hover{background:#b91c1c}
.btn.ok{background:var(--ok)}.btn.ok:hover{background:#15803d}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--line)}

table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);background:var(--soft)}
tr:hover td{background:var(--soft)}
.tag{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600}
.tag.ok{background:var(--okbg);color:#166534}
.tag.err{background:var(--errbg);color:#991b1b}
.tag.role{background:#ede9fe;color:#6d28d9}
.tag.gray{background:#f1f5f9;color:#475569}

.flash{padding:12px 16px;border-radius:10px;margin-bottom:18px;font-size:14px;font-weight:500}
.flash.ok{background:var(--okbg);color:#166534;border:1px solid #86efac}
.flash.error{background:var(--errbg);color:#991b1b;border:1px solid #fca5a5}

.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1e3a8a,#2563eb,#1e40af)}
.login-card{background:#fff;padding:38px 34px;border-radius:18px;width:370px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.login-card .logo{text-align:center;font-size:30px;font-weight:800;color:var(--brand);margin-bottom:4px}
.login-card .tag2{text-align:center;color:var(--muted);font-size:13px;margin-bottom:26px}

.muted{color:var(--muted)}
.right{text-align:right}.center{text-align:center}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}
.divider{height:1px;background:var(--line);margin:18px 0}
details summary{cursor:pointer;font-weight:600;color:var(--brand);font-size:13px}
.inline{display:inline-flex;gap:6px;align-items:center}
.pagination{display:flex;gap:6px;margin-top:16px;align-items:center}
.pagination a,.pagination span{padding:6px 12px;border:1px solid var(--line);border-radius:8px;font-size:13px;background:#fff}
.empty{text-align:center;padding:40px;color:var(--muted)}