:root{
  --ground:#F4F7FB; --ground-2:#FCFDFE;
  --surface:#FFFFFF; --glass:rgba(255,255,255,.8);
  --ink:#151A22; --ink-2:#4F5359; --muted:#5E6878;
  --line:rgba(51,65,85,.13); --line-2:rgba(51,65,85,.22);
  --amber:#F7B031; --amber-a:#9A5900; --amber-b:#B86C00;
  --amber-soft:#FFF2DC; --amber-ink:#704600; --amber-line:#F0CD8C;
  --primary:#151A22; --primary-ink:#FFFFFF;
  --shadow:0 12px 34px rgba(15,23,42,.067); --shadow-btn:0 10px 24px rgba(21,23,26,.12);
  --dc:#151A22; --dc-2:#1D232D; --dc-ink:#EEF1F5; --dc-muted:#9AA4B2; --dc-line:rgba(255,255,255,.1);
  --c-ok:#5FC08A; --c-3:#F7B031; --c-4a:#F08A4B; --c-4b:#F06A5F; --c-0:#A5B0BD;
  --ok:#1F7A4A; --bad:#B42318; --warn-bg:#FFF6E5; --warn-ink:#704600;
  --r-lg:22px; --r:14px;
  --sans:"Inter", "Inter Variable", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --tabbar-h:64px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --ground:#0D1015; --ground-2:#11151B; --surface:#171C24; --glass:rgba(23,28,36,.86);
    --ink:#EEF1F5; --ink-2:#C5CBD4; --muted:#98A2B0; --line:rgba(226,232,240,.12); --line-2:rgba(226,232,240,.22);
    --amber-a:#F2B54A; --amber-b:#F7C66A; --amber-soft:rgba(247,176,49,.13); --amber-ink:#F7C66A; --amber-line:rgba(247,176,49,.35);
    --primary:#EEF1F5; --primary-ink:#151A22; --shadow:0 12px 34px rgba(0,0,0,.25); --shadow-btn:none;
    --dc:#0A0D12; --dc-2:#131821; --ok:#58B07E; --bad:#F0706A; --warn-bg:#2A2112; --warn-ink:#F2C877;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --ground:#0D1015; --ground-2:#11151B; --surface:#171C24; --glass:rgba(23,28,36,.86);
  --ink:#EEF1F5; --ink-2:#C5CBD4; --muted:#98A2B0; --line:rgba(226,232,240,.12); --line-2:rgba(226,232,240,.22);
  --amber-a:#F2B54A; --amber-b:#F7C66A; --amber-soft:rgba(247,176,49,.13); --amber-ink:#F7C66A; --amber-line:rgba(247,176,49,.35);
  --primary:#EEF1F5; --primary-ink:#151A22; --shadow:0 12px 34px rgba(0,0,0,.25); --shadow-btn:none;
  --dc:#0A0D12; --dc-2:#131821; --ok:#58B07E; --bad:#F0706A; --warn-bg:#2A2112; --warn-ink:#F2C877;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;background:var(--ground)}
body{margin:0;min-height:100dvh;font-family:var(--sans);color:var(--ink);background:radial-gradient(1200px 500px at 50% -120px,var(--ground-2),var(--ground));display:flex;flex-direction:column;align-items:center;padding:max(24px,env(safe-area-inset-top)) 16px max(24px,env(safe-area-inset-bottom));line-height:1.45}
.wrap{width:100%;max-width:420px;margin:auto 0}
.brand{display:flex;align-items:center;gap:12px;margin:0 0 22px}
.brand svg{flex:none}
.brand b{font-size:19px;font-weight:780;letter-spacing:-.02em}
.brand b span{color:var(--amber-a)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px 20px;box-shadow:var(--shadow)}
h1{font-size:22px;letter-spacing:-.03em;margin:0 0 6px;font-weight:780}
.sub{color:var(--muted);font-size:14.5px;margin:0 0 18px}
label{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin:0 0 6px}
input{font:inherit;font-size:16px;width:100%;color:var(--ink);background:var(--ground-2);border:1.5px solid var(--line-2);border-radius:12px;padding:12px 14px;min-height:48px;outline:none}
input:focus{border-color:var(--amber)}
input.code{font-family:var(--mono);font-size:26px;letter-spacing:.4em;text-align:center;padding-left:.4em}
.btn{appearance:none;border:0;font:inherit;font-size:15.5px;font-weight:750;width:100%;min-height:48px;border-radius:12px;background:var(--primary);color:var(--primary-ink);cursor:pointer;margin-top:12px}
.btn:disabled{opacity:.55;cursor:default}
.link{appearance:none;background:none;border:0;padding:6px 0;font:inherit;font-size:14px;font-weight:650;color:var(--amber-a);cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.link:disabled{color:var(--muted);text-decoration:none;cursor:default}
.row{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:10px}
.msg{font-size:14px;border-radius:12px;padding:10px 12px;margin:0 0 14px}
.msg.err{background:rgba(180,35,24,.1);color:var(--bad)}
.msg.info{background:var(--amber-soft);color:var(--amber-ink);border:1px solid var(--amber-line)}
.msg.ok{background:rgba(31,122,74,.12);color:var(--ok)}
.fine{font-size:12.5px;color:var(--muted);margin:16px 0 0}
.foot{font-size:11.5px;color:var(--muted);text-align:center;margin:22px auto 0;max-width:420px}
.foot a{color:inherit}
/* admin */
.wide{max-width:1100px}
.tools{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0 0 14px}
.tools input{max-width:320px;min-height:42px;padding:8px 12px}
.stat{font-size:13px;color:var(--muted)}
.stat b{color:var(--ink)}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:13.5px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top;white-space:nowrap}
th{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
td.acts{white-space:normal;min-width:260px}
.pill{display:inline-block;font-size:12px;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--ground);border:1px solid var(--line-2)}
.pill.trial{background:var(--amber-soft);color:var(--amber-ink);border-color:var(--amber-line)}
.pill.active{background:rgba(31,122,74,.12);color:var(--ok);border-color:transparent}
.pill.expired,.pill.blocked{background:rgba(180,35,24,.1);color:var(--bad);border-color:transparent}
.sbtn{appearance:none;font:inherit;font-size:12.5px;font-weight:700;border:1px solid var(--line-2);background:var(--ground-2);color:var(--ink);border-radius:9px;padding:5px 9px;margin:0 4px 4px 0;cursor:pointer}
.sbtn.warn{color:var(--bad)}
.wrap.wide{margin:0 auto}
@media (max-width:760px){
  .tbl{border:0;background:none}
  table,thead,tbody,tr,td{display:block;width:100%}
  thead{display:none}
  tr{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:10px 0;margin-bottom:10px}
  td{border:0;padding:3px 14px;white-space:normal;display:flex;gap:10px}
  td::before{content:attr(data-l);flex:none;width:92px;font-size:12px;color:var(--muted);font-weight:650}
  td.acts{display:block;padding-top:8px}
  td.acts::before{display:none}
}
.pill.admin{background:var(--primary);color:var(--primary-ink);border-color:transparent}