/* Один файл без внешних шрифтов и CDN: кабинет открывают с телефона,
   часто на мобильном интернете. */
:root {
  --bg: #f4f5f7; --card: #fff; --text: #1d2025; --muted: #6b7280; --line: #e3e5e8;
  --accent: #1f6feb; --accent-text: #fff; --danger: #c62828; --ok: #1b7f3b; --warn: #a15c00;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #121417; --card: #1b1e23; --text: #e6e8eb; --muted: #9aa1ab; --line: #2c3037;
          --accent: #4c8dff; --danger: #ef5350; --ok: #4caf6a; --warn: #e0a040; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text);
       font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.45rem; margin: 0 0 .6rem; }
h2 { font-size: 1.1rem; margin: 0 0 .6rem; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.pre { white-space: pre-line; }

.top { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem 1rem; padding: .6rem 1rem;
       background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; color: var(--text); }
.top nav { display: flex; gap: .2rem; overflow-x: auto; flex: 1 1 auto; }
.top nav a { padding: .35rem .6rem; border-radius: 8px; color: var(--text); white-space: nowrap; }
.top nav a.on { background: var(--bg); font-weight: 600; }
.me { display: flex; align-items: center; gap: .6rem; margin-left: auto; }
.me form { margin: 0; }
.linkbtn { background: none; border: 0; color: var(--muted); cursor: pointer; font: inherit; padding: 0; }

main { max-width: 1100px; margin: 0 auto; padding: 1rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
        padding: 1rem; margin-bottom: 1rem; }
.narrow { max-width: 520px; }
.head { display: flex; align-items: center; justify-content: space-between; gap: .6rem; flex-wrap: wrap; margin-bottom: .6rem; }
.head h1, .head h2 { margin: 0; }
details.card summary { cursor: pointer; }

.flash { padding: .6rem .8rem; border-radius: 8px; margin-bottom: .8rem; border: 1px solid; }
.flash.ok { color: var(--ok); border-color: var(--ok); }
.flash.error { color: var(--danger); border-color: var(--danger); }
.flash.warn { color: var(--warn); border-color: var(--warn); }

.btn { display: inline-block; padding: .55rem .9rem; border-radius: 8px; border: 1px solid var(--line);
       background: var(--card); color: var(--text); font: inherit; cursor: pointer; text-decoration: none; }
.btn:hover { text-decoration: none; filter: brightness(.97); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.small { padding: .3rem .6rem; font-size: .85rem; }

.form { display: flex; flex-direction: column; gap: .8rem; }
.form.inline { flex-direction: row; flex-wrap: wrap; }
.form.inline input { flex: 1 1 14rem; }
label { display: flex; flex-direction: column; gap: .25rem; font-weight: 500; }
label.check { flex-direction: row; align-items: center; gap: .5rem; font-weight: 400; }
.hint { font-weight: 400; font-size: .85rem; color: var(--muted); }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: .5rem .8rem .7rem; margin: 0;
           display: flex; flex-direction: column; gap: .4rem; }
legend { font-weight: 500; padding: 0 .3rem; }
input, select, textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line);
       border-radius: 8px; padding: .55rem .65rem; width: 100%; }
input[type=checkbox], input[type=radio] { width: auto; }
textarea { resize: vertical; }

.filters { display: flex; flex-wrap: wrap; gap: .5rem; }
.filters select, .filters input { width: auto; flex: 1 1 10rem; }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: .5rem .45rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .8rem; color: var(--muted); font-weight: 600; }
tr.dim td { opacity: .6; }
tr.bad td:first-child { box-shadow: inset 3px 0 var(--danger); }
td form { margin: 0; }

.badge { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .8rem; border: 1px solid; white-space: nowrap; }
.badge.free { color: var(--muted); }
.badge.activated { color: var(--ok); }
.badge.revoked { color: var(--danger); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0 1rem; }
.nums { display: flex; gap: .5rem; }
.nums a { flex: 1; display: flex; flex-direction: column; align-items: center; padding: .5rem;
          border-radius: 8px; background: var(--bg); color: var(--text); }
.nums a:hover { text-decoration: none; }
.nums b { font-size: 1.5rem; }
.nums span { font-size: .8rem; color: var(--muted); }

dl.props { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1rem; margin: 0 0 1rem; }
dl.props dt { color: var(--muted); }
dl.props dd { margin: 0; word-break: break-all; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.actions form { margin: 0; }

ul.keys { list-style: none; padding: 0; margin: 0 0 1rem; }
ul.keys li { display: flex; align-items: center; justify-content: space-between; gap: .5rem;
             padding: .5rem 0; border-bottom: 1px solid var(--line); }
.key { font-size: 1.05rem; letter-spacing: .03em; word-break: break-all; }

.pager { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: 1rem; }

@media (max-width: 640px) {
  main { padding: .6rem; }
  .hide-sm { display: none; }
  dl.props { grid-template-columns: 1fr; gap: 0; }
  dl.props dd { margin-bottom: .5rem; }
  .btn { padding: .65rem 1rem; }
}