:root{
  --bg:#f5f7fb; --card:#ffffff; --border:#e2e8f0; --text:#0f172a; --muted:#64748b;
  --blue:#2563eb; --blue-d:#1d4ed8; --green:#16a34a; --red:#dc2626; --amber:#d97706;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.55}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}
h1,h2,h3{line-height:1.25;margin:0 0 12px}
h1{font-size:26px}h2{font-size:20px}h3{font-size:16px}
.muted{color:var(--muted)}
.small{font-size:13px}

/* top bar */
.topbar{background:#0f172a;color:#fff;margin-bottom:26px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:58px}
.brand{color:#fff;font-weight:800;font-size:18px}
.topbar nav{display:flex;gap:18px;align-items:center}
.topbar nav a{color:rgba(255,255,255,.9)}
.topbar nav a.muted{color:rgba(255,255,255,.65)}

/* cards */
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:22px;margin-bottom:20px;box-shadow:0 6px 18px rgba(15,23,42,.05)}
.card h2:first-child,.card h3:first-child{margin-top:0}
.grid{display:grid;gap:14px}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.stat{border:1px solid var(--border);background:#f8fbff;border-radius:12px;padding:16px}
.stat strong{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}
.stat span{font-size:25px;font-weight:800}

/* forms */
label{display:block;font-weight:600;margin:0 0 6px;font-size:14px}
input[type=text],input[type=url],input[type=password],input[type=number],select,textarea{
  width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:10px;font:inherit;background:#fff;color:var(--text)
}
textarea{min-height:96px;resize:vertical}
.field{margin-bottom:16px}
.btn{display:inline-block;padding:11px 18px;border-radius:10px;border:1px solid transparent;background:var(--blue);color:#fff;font-weight:700;cursor:pointer;font-size:14px}
.btn:hover{background:var(--blue-d);text-decoration:none;color:#fff}
.btn-outline{background:#fff;color:var(--blue);border-color:#c7d7f5}
.btn-outline:hover{background:#eef4ff;color:var(--blue-d)}
.btn-danger{background:#fff;color:var(--red);border-color:#fecaca}
.btn-danger:hover{background:#fef2f2;color:var(--red)}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:8px}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* tables */
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:11px 12px;text-align:left;border-bottom:1px solid #eef2f7;vertical-align:top}
th{background:#f8fbff;font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
tr:last-child td{border-bottom:none}
td.break,th.break{word-break:break-all}

/* badges */
.badge{display:inline-block;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:700;color:#fff}
.badge-live{background:var(--green)}
.badge-dead{background:var(--red)}
.badge-unknown{background:#94a3b8}
.dot{display:inline-block;width:11px;height:11px;border-radius:50%;vertical-align:middle;margin-right:6px}
.dot-green{background:var(--green);box-shadow:0 0 0 3px rgba(22,163,74,.18)}
.dot-red{background:var(--red);box-shadow:0 0 0 3px rgba(220,38,38,.18)}

/* notices */
.notice{border-radius:10px;padding:12px 16px;margin-bottom:18px;border:1px solid}
.notice-success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}
.notice-error{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.notice-info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}

/* login */
.auth{max-width:430px;margin:9vh auto}
.auth .card{padding:30px}
.auth h1{text-align:center;margin-bottom:6px}
.auth .sub{text-align:center;color:var(--muted);margin-bottom:24px;font-size:14px}

/* pagination */
.pager{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.pager a,.pager span{padding:8px 13px;border:1px solid var(--border);border-radius:8px;background:#fff;font-size:14px}
.pager span.cur{background:var(--blue);color:#fff;border-color:var(--blue)}

.footer{color:var(--muted);font-size:13px;padding:26px 0;text-align:center}
.code{background:#f1f5f9;border:1px solid var(--border);border-radius:8px;padding:3px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;word-break:break-all}
.hr{height:1px;background:var(--border);margin:20px 0;border:0}