/* ping.shield-panel.com — enterprise admin design system */
:root{
  --bg:#0a0e17; --bg2:#0f1420; --panel:#131a29; --panel2:#172033; --line:#22304d;
  --line2:#2c3d5f; --text:#e8eefb; --muted:#8698bd; --dim:#5f6f92;
  --accent:#4f8cff; --accent2:#6ba0ff; --green:#2fd39b; --amber:#f0b84f; --red:#ff5c6c;
  --violet:#9d7bff; --cyan:#38d3e0;
  --radius:14px; --radius-sm:9px; --shadow:0 8px 30px rgba(0,0,0,.35);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'SFMono-Regular',Menlo,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:radial-gradient(1200px 700px at 80% -10%,rgba(79,140,255,.10),transparent 60%),var(--bg);
  color:var(--text);font-family:var(--font);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--accent2);text-decoration:none}
::selection{background:rgba(79,140,255,.3)}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:100%;max-width:400px;background:linear-gradient(180deg,var(--panel2),var(--panel));
  border:1px solid var(--line);border-radius:20px;padding:34px 30px;box-shadow:var(--shadow)}
.login-logo{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.login-logo .dot{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--accent),var(--violet));
  display:grid;place-items:center;font-size:19px;box-shadow:0 4px 16px rgba(79,140,255,.4)}
.login-logo h1{font-size:19px;margin:0;letter-spacing:-.02em}
.login-sub{color:var(--muted);font-size:12.5px;margin:2px 0 26px}
.login-err{background:rgba(255,92,108,.12);border:1px solid rgba(255,92,108,.35);color:#ffb3bb;
  padding:10px 12px;border-radius:9px;font-size:12.5px;margin-bottom:16px}

/* ---------- Layout ---------- */
.app{display:grid;grid-template-columns:246px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,var(--bg2),var(--bg));border-right:1px solid var(--line);
  padding:20px 14px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:11px;padding:6px 8px 20px}
.brand .dot{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--violet));
  display:grid;place-items:center;font-size:17px;box-shadow:0 4px 14px rgba(79,140,255,.4)}
.brand b{font-size:15px;letter-spacing:-.02em;display:block}
.brand span{font-size:10.5px;color:var(--dim);letter-spacing:.06em;text-transform:uppercase}
.nav{display:flex;flex-direction:column;gap:3px;margin-top:6px}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:var(--muted);
  font-weight:550;font-size:13.5px;transition:.15s}
.nav a .ic{width:18px;text-align:center;opacity:.85}
.nav a:hover{background:var(--panel);color:var(--text)}
.nav a.active{background:linear-gradient(90deg,rgba(79,140,255,.18),rgba(79,140,255,.04));
  color:#fff;box-shadow:inset 2px 0 0 var(--accent)}
.side-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
.side-user{display:flex;align-items:center;gap:10px;padding:8px;border-radius:10px;font-size:12.5px}
.side-user .av{width:30px;height:30px;border-radius:9px;background:var(--panel2);display:grid;place-items:center;color:var(--accent2);font-weight:700}
.side-user a{margin-left:auto;color:var(--dim);font-size:16px}

.main{padding:26px 30px 60px;max-width:1320px;width:100%}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:16px}
.topbar h2{margin:0;font-size:21px;letter-spacing:-.02em}
.topbar .sub{color:var(--muted);font-size:12.5px;margin-top:3px}

/* ---------- Stat tiles ---------- */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.tile{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 18px 16px;position:relative;overflow:hidden}
.tile .ic{position:absolute;right:14px;top:14px;width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;font-size:16px;background:rgba(79,140,255,.12);color:var(--accent2)}
.tile .lbl{color:var(--muted);font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.tile .val{font-size:30px;font-weight:750;letter-spacing:-.03em;margin-top:8px;line-height:1}
.tile .meta{color:var(--dim);font-size:11.5px;margin-top:7px}
.tile.green .ic{background:rgba(47,211,155,.12);color:var(--green)}
.tile.amber .ic{background:rgba(240,184,79,.12);color:var(--amber)}
.tile.violet .ic{background:rgba(157,123,255,.14);color:var(--violet)}

/* ---------- Cards / tables ---------- */
.card{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);
  border-radius:var(--radius);margin-bottom:20px;overflow:hidden}
.card-h{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}
.card-h h3{margin:0;font-size:14.5px;letter-spacing:-.01em}
.card-h .hint{color:var(--dim);font-size:12px}
.card-b{padding:6px 4px}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;color:var(--dim);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.05em;
  padding:11px 16px;border-bottom:1px solid var(--line)}
td{padding:12px 16px;border-bottom:1px solid rgba(34,48,77,.5);vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(79,140,255,.04)}
.mono{font-family:var(--mono);font-size:12px}
.empty{padding:40px;text-align:center;color:var(--dim)}
.empty .big{font-size:34px;opacity:.4;margin-bottom:8px}

/* ---------- Badges / pills ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:650;
  border:1px solid transparent}
.badge .d{width:6px;height:6px;border-radius:50%}
.b-online{background:rgba(47,211,155,.13);color:var(--green);border-color:rgba(47,211,155,.3)}
.b-online .d{background:var(--green);box-shadow:0 0 8px var(--green)}
.b-offline{background:rgba(255,92,108,.11);color:var(--red);border-color:rgba(255,92,108,.28)}
.b-offline .d{background:var(--red)}
.b-stale{background:rgba(240,184,79,.12);color:var(--amber);border-color:rgba(240,184,79,.28)}
.b-stale .d{background:var(--amber)}
.b-neutral{background:var(--panel);color:var(--muted);border-color:var(--line2)}
.flag{font-size:14px;margin-right:5px}

/* ---------- Buttons / forms ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:9px;border:1px solid var(--line2);
  background:var(--panel);color:var(--text);font-weight:600;font-size:13px;cursor:pointer;transition:.15s;font-family:inherit}
.btn:hover{border-color:var(--accent);background:var(--panel2)}
.btn.primary{background:linear-gradient(135deg,var(--accent),#3f7bef);border-color:transparent;color:#fff;
  box-shadow:0 4px 14px rgba(79,140,255,.35)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.sm{padding:6px 11px;font-size:12px}
.btn.ghost{background:transparent}
.btn.danger:hover{border-color:var(--red);color:var(--red)}
.field{margin-bottom:15px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;font-weight:600}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border-radius:9px;border:1px solid var(--line2);
  background:var(--bg2);color:var(--text);font-size:13.5px;font-family:inherit;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(79,140,255,.15)}

/* ---------- Modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(4,7,14,.72);backdrop-filter:blur(3px);display:none;place-items:center;z-index:50;padding:20px}
.modal-bg.show{display:grid}
.modal{width:100%;max-width:480px;background:linear-gradient(180deg,var(--panel2),var(--panel));
  border:1px solid var(--line2);border-radius:16px;box-shadow:var(--shadow)}
.modal-h{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal-h h3{margin:0;font-size:16px}
.modal-h .x{cursor:pointer;color:var(--dim);font-size:20px}
.modal-b{padding:20px}
.modal-f{padding:16px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.codebox{background:var(--bg);border:1px solid var(--line2);border-radius:9px;padding:12px 14px;font-family:var(--mono);
  font-size:12px;color:var(--cyan);white-space:pre-wrap;word-break:break-all;position:relative}
.note{font-size:12px;color:var(--muted);background:rgba(79,140,255,.07);border:1px solid rgba(79,140,255,.2);
  border-radius:9px;padding:10px 12px;margin-top:12px}
.flash{padding:12px 16px;border-radius:10px;margin-bottom:18px;font-size:13px;font-weight:550}
.flash.ok{background:rgba(47,211,155,.12);border:1px solid rgba(47,211,155,.3);color:var(--green)}
.flash.err{background:rgba(255,92,108,.12);border:1px solid rgba(255,92,108,.3);color:#ffb3bb}
@media(max-width:900px){.app{grid-template-columns:1fr}.sidebar{display:none}.tiles{grid-template-columns:repeat(2,1fr)}}