/* Gatekeeper — minimal, responsive, no framework. */
:root {
  --bg: #0f1420;
  --panel: #1a2130;
  --panel-2: #212a3d;
  --text: #e8ecf4;
  --muted: #9aa6bb;
  --accent: #4f8cff;
  --accent-2: #3b6fd4;
  --ok: #2f9e6e;
  --err: #d4574f;
  --border: #2c3750;
  --radius: 10px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  background: var(--bg); color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
body.auth { justify-content: center; align-items: center; padding: 1rem; }
main.card {
  width: 100%; max-width: 420px; background: var(--panel);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem 1.75rem; margin: auto;
}
main.wide { width: 100%; max-width: 1080px; margin: 1.25rem auto; padding: 0 1rem; }
h1 { font-size: 1.4rem; margin: 0 0 1rem; }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; }
h3 { font-size: .95rem; margin: .5rem 0; }
p { margin: .5rem 0 1rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--panel-2); padding: .1rem .35rem; border-radius: 4px;
  font-size: .9em; word-break: break-all; }
.wrap { display: inline-block; max-width: 100%; }
.minor { color: var(--muted); font-size: .88rem; }
.foot { text-align: center; color: var(--muted); font-size: .8rem; padding: 1rem; }

label { display: block; margin: .8rem 0 .25rem; font-size: .9rem; color: var(--muted); }
input[type=text], input[type=password], input[type=email], input[type=number], select {
  width: 100%; padding: .6rem .7rem; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel-2);
  color: var(--text); font-size: 1rem;
}
input:focus, select:focus { outline: 2px solid var(--accent); border-color: transparent; }
button {
  margin-top: 1rem; width: 100%; padding: .65rem 1rem; border: 0;
  border-radius: 8px; background: var(--accent); color: #fff;
  font-size: 1rem; font-weight: 600; cursor: pointer;
}
button:hover { background: var(--accent-2); }
button.secondary { background: var(--panel-2); border: 1px solid var(--border); }
button.danger { background: transparent; border: 1px solid var(--err); color: var(--err); }
button.danger:hover { background: var(--err); color: #fff; }
button.small { width: auto; margin: 0; padding: .3rem .6rem; font-size: .8rem; }
button.link { background: none; border: none; color: var(--accent); width: auto;
  padding: 0; margin-top: .5rem; font-size: .88rem; font-weight: 400; }
.inline-form { display: inline; }
.inline-form button { width: auto; margin-top: .25rem; }

.notice { padding: .6rem .8rem; border-radius: 8px; font-size: .92rem; }
.notice.ok { background: rgba(47,158,110,.15); border: 1px solid var(--ok); }
.notice.err { background: rgba(212,87,79,.12); border: 1px solid var(--err); }

.choices { display: grid; gap: .6rem; margin: .75rem 0; }
.choice { display: flex; gap: .6rem; align-items: flex-start; margin: 0;
  padding: .7rem; border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); cursor: pointer; }
.choice:has(input:checked) { border-color: var(--accent); background: var(--panel-2); }
.choice input { margin-top: .2rem; }
.check { display: block; margin: .25rem 0; color: var(--text); }
.check input { margin-right: .4rem; width: auto; }

.qr { background: #fff; border-radius: 8px; padding: .75rem; width: fit-content;
  max-width: 100%; margin: .75rem auto; }
.qr svg { display: block; width: 200px; height: 200px; }
.codes { columns: 2; list-style: none; padding: .75rem; margin: .75rem 0;
  background: var(--panel-2); border-radius: 8px; }
.codes li { padding: .15rem 0; }

.topnav { display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; padding: .7rem 1.25rem; background: var(--panel);
  border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.brand { font-weight: 700; }
.nav-links a { margin-left: 1rem; color: var(--muted); }
.nav-links a.active, .nav-links a:hover { color: var(--text); }

.panel { background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem; margin: 1rem 0; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1.25rem; margin: 0; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; }

table { width: 100%; border-collapse: collapse; font-size: .88rem; margin: .5rem 0; }
th, td { text-align: left; padding: .45rem .5rem; border-bottom: 1px solid var(--border);
  vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.ua { color: var(--muted); max-width: 220px; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; }
.actions form { margin: 0 .15rem .25rem 0; }
.tag { display: inline-block; padding: .05rem .45rem; border-radius: 99px;
  font-size: .72rem; background: var(--panel-2); border: 1px solid var(--border);
  color: var(--muted); }
.tag.pending { border-color: var(--accent); color: var(--accent); }
.tag.accepted { border-color: var(--ok); color: var(--ok); }
.tag.revoked, .tag.expired { border-color: var(--err); color: var(--err); }

.grid-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .25rem .9rem; align-items: end; margin-bottom: 1rem; }
.grid-form fieldset { grid-column: 1 / -1; border: 1px solid var(--border);
  border-radius: 8px; }
.grid-form legend { font-size: .85rem; color: var(--muted); }
.grid-form button { grid-column: 1 / -1; width: auto; justify-self: start;
  padding: .55rem 1.5rem; }
.grants { list-style: none; padding: 0; margin: .25rem 0 1rem; font-size: .88rem; }
.grants li { display: flex; align-items: center; gap: .6rem; padding: .2rem 0; }
.app-row { border-top: 1px solid var(--border); padding-top: .75rem; margin-top: .75rem; }
.app-row h4 { margin: .8rem 0 .3rem; font-size: .95rem; }
.feature-row { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem 1rem;
  padding: .35rem 0; border-bottom: 1px dashed var(--border); }
.feature-row strong { min-width: 8rem; }
.feature-row .check { display: inline-flex; align-items: center; gap: .3rem;
  font-size: .85rem; margin: 0; }
.feature-row button { margin-left: auto; }

@media (max-width: 640px) {
  main.card { padding: 1.4rem 1.1rem; }
  .codes { columns: 1; }
  table { display: block; overflow-x: auto; }
  .kv { grid-template-columns: 1fr; gap: 0; }
  .kv dt { margin-top: .4rem; }
}