:root { --bg:#f4f6fa; --panel:#fff; --ink:#1b2330; --muted:#6b7785; --line:#e3e8ef; --brand:#1f6feb; --in:#1a7f37; --out:#9aa4b2; --err:#cf222e; --danger:#cf222e; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.nav { display: flex; align-items: center; gap: 18px; background: var(--panel); border-bottom: 1px solid var(--line); padding: 12px 22px; }
.nav .logo { font-weight: 800; letter-spacing: 1px; color: var(--brand); }
.nav a { color: var(--muted); font-weight: 600; }
.nav a.on { color: var(--ink); }
.nav .spacer { flex: 1; }
.nav .co { color: var(--muted); font-size: 14px; }
.inline { display: inline; }
.wrap { max-width: 1000px; margin: 26px auto; padding: 0 22px; }
h1 { font-size: 24px; margin: 0 0 12px; }
.muted { color: var(--muted); }
.head { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.head h1 { flex: 0 0 auto; }
.search { position: relative; margin-left: auto; }
.search input { width: 280px; }
.qres { position: absolute; top: 110%; left: 0; right: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; z-index: 5; }
.qres .qr { padding: 8px 12px; border-bottom: 1px solid var(--line); }
.qres .qr.in { color: var(--in); }
.qres .qr.out { color: var(--muted); }
.bignum { font-size: 30px; font-weight: 800; }
input, select { padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; font-size: 15px; background: #fff; }
.btn { padding: 9px 16px; border: 0; border-radius: 8px; background: var(--brand); color: #fff; font-weight: 700; cursor: pointer; }
.btn.alt { background: #eef2f8; color: var(--ink); }
.link { background: none; border: 0; color: var(--brand); cursor: pointer; font: inherit; padding: 0; }
.link.danger { color: var(--danger); }
.form-inline { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.card-form { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin: 14px 0; }
.cols { display: flex; gap: 16px; flex-wrap: wrap; }
.cols .card-form { flex: 1; min-width: 240px; }
.exports { margin-left: auto; display: flex; gap: 8px; }
table.grid { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin-top: 14px; }
.grid th, .grid td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); font-size: 15px; }
.grid th { background: #fafbfd; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
.grid tr.absent td { color: var(--muted); background: #fcfcfd; }
.grid tr.open td { background: #fff8e6; }
.actions { display: flex; gap: 14px; align-items: center; }
.chip { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 800; color: #fff; }
.chip.in { background: var(--in); }
.chip.out { background: var(--out); }
.notice { background: #eef4ff; border: 1px solid #cfe0ff; color: #15336b; padding: 12px 14px; border-radius: 10px; margin: 12px 0; }
.notice.err { background: #fff0f1; border-color: #ffd0d4; color: #86161f; }
.notice.ok { background: #eafaf0; border-color: #b7ebc6; color: #11532a; }
.notice code { display: inline-block; margin-top: 6px; background: #fff; padding: 6px 8px; border-radius: 6px; border: 1px solid var(--line); word-break: break-all; }
.login { max-width: 340px; margin: 12vh auto; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 28px; text-align: center; }
.brand-lg { color: var(--brand); letter-spacing: 1px; margin-bottom: 4px; }
.stack { display: flex; flex-direction: column; gap: 12px; margin-top: 14px; }
.enrol video { width: 100%; max-width: 480px; border-radius: 12px; background: #000; transform: scaleX(-1); }
.enrol .row { display: flex; gap: 10px; margin: 12px 0; }
.status { min-height: 24px; font-weight: 600; }
.foot { text-align: center; color: var(--muted); padding: 24px; font-size: 13px; border-top: 1px solid var(--line); margin-top: 30px; }
.foot a { margin: 0 6px; }
.legal { max-width: 760px; }
.legal h3 { color: var(--ink); margin-top: 1.4rem; }
.legal ol li { margin: .4rem 0; }
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin: 16px 0; }
.plan { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; text-align: center; }
.plan.featured { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand); }
.plan .price { font-size: 26px; font-weight: 800; margin: 6px 0; }
.plan .per { color: var(--muted); font-size: 13px; }
.callout { border-left: 3px solid var(--brand); background: var(--panel); border-radius: 0 8px 8px 0; padding: 12px 16px; margin: 16px 0; }
.mt { margin-top: 14px; }