:root{
  --bg:#0b1220; --surface:#ffffff; --surface-2:#f5f7fb; --line:#e6eaf2;
  --ink:#0f1b33; --ink-2:#5b6680; --muted:#8a93a8;
  --brand:#3b4cca; --brand-2:#5b6cf0; --brand-ink:#2a3699;
  --ok:#16a34a; --ok-bg:#e9f7ef; --warn:#d97706; --warn-bg:#fdf1e1; --err:#dc2626; --err-bg:#fdecec;
  --info:#2563eb; --info-bg:#e8f0fe;
  --radius:14px; --radius-sm:10px;
  --shadow:0 1px 2px rgba(16,27,51,.06), 0 8px 24px rgba(16,27,51,.06);
  --shadow-lg:0 10px 40px rgba(16,27,51,.14);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);
  background:var(--surface-2);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--brand);text-decoration:none}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.01em}

/* ---------- topbar ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 26px;background:linear-gradient(100deg,#1b2a6b,#3b4cca 60%,#5b6cf0);
  color:#fff;box-shadow:0 2px 18px rgba(27,42,107,.25);position:sticky;top:0;z-index:10}
.brand{display:flex;flex-direction:column;line-height:1.1}
.brand-mark{font-weight:700;font-size:18px;letter-spacing:-.02em}
.brand-mark span{color:#c7d0ff;font-weight:500}
.brand-sub{font-size:11.5px;color:#c2caf2;margin-top:2px;letter-spacing:.02em}
.topnav{display:flex;align-items:center;gap:8px}
.navlink{color:#dfe4ff;padding:8px 12px;border-radius:9px;font-size:14px;font-weight:500}
.navlink:hover{background:rgba(255,255,255,.12);color:#fff}
.user{display:flex;align-items:center;gap:10px;margin-left:8px;padding-left:14px;border-left:1px solid rgba(255,255,255,.18)}
.user-avatar{width:32px;height:32px;border-radius:50%;background:#fff;color:var(--brand-ink);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.user-name{font-size:13.5px;color:#eef0ff;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.logout-form{margin:0}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:none;padding:7px 12px;border-radius:9px;
  font-size:13px;font-weight:500;cursor:pointer;font-family:inherit}
.btn-ghost:hover{background:rgba(255,255,255,.26)}

/* ---------- content ---------- */
.content{flex:1;max-width:1120px;width:100%;margin:0 auto;padding:26px 24px 40px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:20px}
.page-head h1{font-size:23px}
.page-head .sub{color:var(--muted);font-size:13.5px;margin-top:4px}
.foot{text-align:center;color:var(--muted);font-size:12px;padding:18px}

/* ---------- alert ---------- */
.alert{display:flex;align-items:center;gap:12px;border-radius:var(--radius-sm);padding:13px 16px;margin-bottom:20px;font-size:14px;border:1px solid transparent}
.alert .ico{font-size:18px;line-height:1}
.alert.err{background:var(--err-bg);color:#991b1b;border-color:#f6caca}
.alert.warn{background:var(--warn-bg);color:#92400e;border-color:#f3dcb4}
.alert.ok{background:var(--ok-bg);color:#166534;border-color:#bfe6cd}
.alert.info{background:var(--info-bg);color:#1e40af;border-color:#cfe0fd}

/* ---------- metric cards ---------- */
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:22px}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:17px 18px;box-shadow:var(--shadow)}
.metric .lab{font-size:12.5px;color:var(--muted);font-weight:500;display:flex;align-items:center;gap:7px}
.metric .val{font-size:24px;font-weight:700;margin-top:9px;display:flex;align-items:center;gap:9px;letter-spacing:-.02em}
.metric .hint{font-size:12px;color:var(--muted);margin-top:3px}

.dot{display:inline-block;width:10px;height:10px;border-radius:50%;flex:none}
.dot.ok{background:var(--ok);box-shadow:0 0 0 4px var(--ok-bg)}
.dot.warn{background:var(--warn);box-shadow:0 0 0 4px var(--warn-bg)}
.dot.err{background:var(--err);box-shadow:0 0 0 4px var(--err-bg)}
.dot.idle{background:#9aa3b8;box-shadow:0 0 0 4px #eef0f5}

/* ---------- panel + table ---------- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:22px;overflow:hidden}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;border-bottom:1px solid var(--line)}
.panel-head h2{font-size:15.5px}
.panel-head .tag{font-size:11.5px;color:var(--muted)}
.tbl{width:100%;border-collapse:collapse}
.tbl th,.tbl td{padding:12px 20px;text-align:left;font-size:13.5px;border-bottom:1px solid var(--line)}
.tbl th{font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;background:var(--surface-2)}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:#fafbff}
.grp{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.num{font-variant-numeric:tabular-nums;font-weight:600}
.cell-status{display:flex;align-items:center;gap:8px}
.mono{font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}

.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;line-height:1.4}
.badge.ok{background:var(--ok-bg);color:#166534}
.badge.warn{background:var(--warn-bg);color:#92400e}
.badge.err{background:var(--err-bg);color:#991b1b}
.badge.idle{background:#eef0f5;color:#5b6680}
.http{font-weight:700;font-variant-numeric:tabular-nums}
.http.s2{color:var(--ok)} .http.s4{color:var(--err)} .http.s5{color:#b91c1c} .http.s0{color:var(--warn)}

/* ---------- auth ---------- */
body.auth{background:radial-gradient(1200px 600px at 70% -10%,#3b4cca22,transparent),
  radial-gradient(900px 500px at -10% 110%,#5b6cf022,transparent),var(--surface-2)}
.auth-shell{flex:1;display:flex;align-items:center;justify-content:center;padding:30px 18px}
.card-auth{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--shadow-lg);padding:34px 32px}
.card-auth .logo{font-weight:700;font-size:20px;color:var(--brand-ink);letter-spacing:-.02em}
.card-auth .logo span{color:var(--brand-2)}
.card-auth .tagline{color:var(--muted);font-size:13px;margin:4px 0 24px}
.card-auth h1{font-size:19px;margin-bottom:6px}
.card-auth .lead{color:var(--ink-2);font-size:13.5px;margin:0 0 22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:500;margin-bottom:7px;color:var(--ink)}
.field input,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;
  font-size:14px;font-family:inherit;background:var(--surface-2);transition:border .15s,box-shadow .15s;color:var(--ink)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-2);background:#fff;box-shadow:0 0 0 3px #5b6cf022}
.field textarea{resize:vertical;min-height:84px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px 16px;
  background:linear-gradient(100deg,var(--brand),var(--brand-2));color:#fff;border:none;border-radius:11px;
  font-size:14.5px;font-weight:600;cursor:pointer;font-family:inherit;transition:filter .15s,transform .06s}
.btn:hover{filter:brightness(1.06)} .btn:active{transform:scale(.99)}
.btn.sec{background:#eef0f7;color:var(--brand-ink)}
.altlink{text-align:center;margin-top:18px;font-size:13.5px;color:var(--muted)}
.msg{border-radius:10px;padding:11px 14px;font-size:13.5px;margin-bottom:18px}
.msg.err{background:var(--err-bg);color:#991b1b}
.msg.ok{background:var(--ok-bg);color:#166534}
.msg.info{background:var(--info-bg);color:#1e40af}

/* approval list */
.req{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;border-bottom:1px solid var(--line)}
.req:last-child{border-bottom:none}
.req .who{font-weight:600;font-size:14px}
.req .meta{color:var(--muted);font-size:12.5px;margin-top:3px}
.req .why{color:var(--ink-2);font-size:13px;margin-top:6px;max-width:520px}
.req-actions{display:flex;gap:8px;flex:none}
.btn-sm{padding:8px 14px;border-radius:9px;border:none;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit}
.btn-sm.ap{background:var(--ok);color:#fff} .btn-sm.rj{background:#eef0f5;color:#991b1b}
.empty{padding:34px 20px;text-align:center;color:var(--muted);font-size:14px}
@media(max-width:640px){.content{padding:18px 14px}.topbar{padding:12px 16px}.user-name{display:none}}