:root{
  --bg:#06110f;
  --bg2:#0a1a17;
  --card:rgba(20,42,39,.45);
  --card-solid:#0d1c1a;
  --border:rgba(47,224,216,.28);
  --border-strong:rgba(47,224,216,.55);
  --accent:#2fe0d8;
  --accent2:#00c9bd;
  --ink:#f2fbfa;
  --muted:#8fb3ae;
  --danger:#ff5d6c;
  --ok:#2fe0a8;
  --warn:#ffd166;
  --radius:20px;
  --glow:0 0 0 1px var(--border), 0 18px 50px -20px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.04);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(47,224,216,.10), transparent 60%),
    radial-gradient(900px 500px at 0% 110%, rgba(0,201,189,.08), transparent 55%),
    var(--bg);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
.mono{font-variant-numeric:tabular-nums}
.glass{background:var(--card);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--glow)}

/* ---- auth screen ---- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{width:min(420px,94vw);padding:38px 34px}
.brand{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:26px}
.brand .mark{width:64px;height:64px;border-radius:16px;display:grid;place-items:center;font-weight:800;font-size:26px;
  color:#052b28;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 14px 40px -12px var(--accent)}
.brand h1{margin:0;font-size:15px;letter-spacing:.32em;text-transform:uppercase;color:var(--muted);font-weight:600}

/* ---- app shell ---- */
.app{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
.side{padding:22px 16px;border-right:1px solid var(--border);background:linear-gradient(180deg,rgba(10,26,23,.6),transparent)}
.side .logo{display:flex;align-items:center;gap:10px;padding:6px 8px 20px}
.side .logo .mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-weight:800;
  color:#052b28;background:linear-gradient(135deg,var(--accent),var(--accent2))}
.side .logo b{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.nav a{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:12px;color:var(--muted);
  font-weight:600;font-size:14px;border:1px solid transparent}
.nav a:hover{color:var(--ink);background:rgba(47,224,216,.06)}
.nav a.active{color:var(--ink);background:rgba(47,224,216,.12);border-color:var(--border)}
.nav a .ic{width:18px;text-align:center;opacity:.9}
.side .foot{position:sticky;top:100vh;padding:12px 10px;color:var(--muted);font-size:12px}
.main{padding:34px clamp(20px,4vw,44px)}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;gap:16px;flex-wrap:wrap}
.topbar h2{margin:0;font-size:clamp(30px,5vw,52px);font-weight:800;letter-spacing:-.02em;text-transform:uppercase;line-height:1}
.who{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}
.who .pill{border:1px solid var(--border);border-radius:999px;padding:7px 13px}
.who .role{color:var(--accent);font-weight:700}

/* ---- primitives ---- */
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:1000px){.g4,.g3{grid-template-columns:repeat(2,1fr)}.app{grid-template-columns:1fr}.side{display:none}}
@media(max-width:620px){.g4,.g3,.g2{grid-template-columns:1fr}}
.stat{padding:20px}
.stat .k{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.stat .v{font-size:34px;font-weight:800;margin-top:8px;letter-spacing:-.01em}
.stat .d{font-size:12px;margin-top:6px;color:var(--muted)}
.card{padding:22px}
.card h3{margin:0 0 16px;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
label{display:block;font-size:12px;letter-spacing:.06em;color:var(--muted);margin:14px 0 6px;text-transform:uppercase}
input,select,textarea{width:100%;padding:12px 14px;border-radius:12px;background:rgba(0,0,0,.28);
  border:1px solid var(--border);color:var(--ink);font-size:14px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--border-strong);box-shadow:0 0 0 3px rgba(47,224,216,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;border:none;
  padding:12px 22px;border-radius:999px;font-weight:700;font-size:14px;color:#052b28;
  background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 12px 30px -12px var(--accent)}
.btn:hover{filter:brightness(1.06)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--border)}
.btn.sm{padding:8px 15px;font-size:13px}
.btn.danger{background:linear-gradient(135deg,#ff5d6c,#d63a5a);color:#fff}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.06)}
th{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600}
tr:hover td{background:rgba(47,224,216,.04)}
.tag{display:inline-block;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.04em}
.tag.active{background:rgba(47,224,168,.15);color:var(--ok)}
.tag.pending{background:rgba(255,209,102,.15);color:var(--warn)}
.tag.revoked{background:rgba(255,93,108,.15);color:var(--danger)}
.tag.paid{background:rgba(47,224,168,.15);color:var(--ok)}
.tag.unpaid{background:rgba(143,179,174,.15);color:var(--muted)}
.msg{padding:12px 16px;border-radius:12px;margin-bottom:16px;font-size:14px;border:1px solid var(--border)}
.msg.ok{background:rgba(47,224,168,.1);color:var(--ok);border-color:rgba(47,224,168,.3)}
.msg.err{background:rgba(255,93,108,.1);color:var(--danger);border-color:rgba(255,93,108,.3)}
.hint{font-size:12px;color:var(--muted);margin-top:6px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.bars{display:flex;align-items:flex-end;gap:8px;height:150px;padding-top:10px}
.bars .bar{flex:1;background:linear-gradient(180deg,var(--accent),rgba(47,224,216,.15));border-radius:8px 8px 0 0;min-height:4px}
.bars .lbl{font-size:10px;color:var(--muted);text-align:center;margin-top:6px}
.masked{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.05em}
.mode-live{color:var(--danger);font-weight:800}
.mode-test{color:var(--warn);font-weight:800}