:root {
  --bg: #f6f8fb;
  --card: #ffffff;
  --card-2: #f3f6fa;
  --line: #dfe5ee;
  --text: #0e141c;
  --muted: #5a6677;
  --accent: #0fa968;
  --accent-ink: #ffffff;
  --accent-soft: rgba(15, 169, 104, .1);
  --blue: #2f62e8;
  --warn: #a86b00;
  --warn-bg: #fdf1dc;
  --fail: #d64545;
  --fail-bg: #fbe7e5;
  --ok-bg: #e3f6ec;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0d12;
    --card: #131922;
    --card-2: #18202b;
    --line: #222c39;
    --text: #eef2f7;
    --muted: #8f9bab;
    --accent: #22d38a;
    --accent-ink: #04140c;
    --accent-soft: rgba(34, 211, 138, .12);
    --blue: #5b8cff;
    --warn: #f2b84b;
    --warn-bg: #33280f;
    --fail: #ff6b6b;
    --fail-bg: #3a1a18;
    --ok-bg: #12301f;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
h1, h2, h3 { margin: 0; letter-spacing: -.01em; line-height: 1.2; }
h2 { font-size: 20px; }

/* top bar */
.topbar {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 20px;
  padding: 12px 24px; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--text); text-decoration: none; }
.logo-mark { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: linear-gradient(135deg, var(--accent), var(--blue)); color: #fff; }
.logo-mark svg { width: 17px; height: 17px; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav button { background: none; border: 0; color: var(--muted); font: inherit; font-weight: 600; padding: 8px 12px; border-radius: 9px; cursor: pointer; }
.nav button:hover { color: var(--text); }
.nav button[aria-current="page"] { background: var(--card-2); color: var(--text); box-shadow: inset 0 0 0 1px var(--line); }
.account { margin-left: auto; display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: 14px; }

main { max-width: 1040px; margin: 0 auto; padding: 28px 24px 64px; display: grid; gap: 20px; }
.tab { display: grid; gap: 20px; }

/* cards */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.hint { color: var(--muted); font-size: 14px; margin: 8px 0 0; }
.empty { color: var(--muted); padding: 20px; text-align: center; border: 1px dashed var(--line); border-radius: 12px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* buttons & forms */
button, .button {
  font: inherit; font-weight: 700; font-size: 14px; border-radius: 10px; padding: 10px 16px; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
button:disabled { opacity: .6; cursor: default; }
button.secondary, .button.secondary { background: var(--card); color: var(--text); border-color: var(--line); }
button.danger { background: var(--card); color: var(--fail); border-color: var(--line); }
button.compact { padding: 6px 10px; font-size: 13px; }
.nav button, .seg button { font-weight: 600; }
label { display: grid; gap: 6px; font-weight: 600; font-size: 14px; }
input, select {
  font: inherit; font-weight: 400; padding: 11px 12px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--card-2); color: var(--text); width: 100%;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.fields { display: grid; gap: 14px; }
.actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* auth */
.auth { max-width: 420px; margin: 40px auto; }
.auth .seg { margin-bottom: 20px; }
.seg { display: inline-flex; background: var(--card-2); border: 1px solid var(--line); border-radius: 12px; padding: 4px; gap: 4px; flex-wrap: wrap; }
.seg button { background: none; border: 0; color: var(--muted); padding: 8px 14px; border-radius: 9px; }
.seg button[aria-pressed="true"] { background: var(--card); color: var(--text); box-shadow: 0 1px 0 var(--line), inset 0 0 0 1px var(--line); }

/* licence */
.licence-top { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; flex-wrap: wrap; }
.plan-name { font-size: 34px; font-weight: 800; text-transform: capitalize; letter-spacing: -.02em; }
.status { margin-top: 6px; color: var(--muted); }
.status b { color: var(--text); }
.meter { height: 8px; border-radius: 99px; background: var(--card-2); overflow: hidden; margin-top: 14px; max-width: 360px; }
.meter span { display: block; height: 100%; background: var(--accent); }
.features { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.features li { display: flex; gap: 10px; align-items: center; }
.features li.off { color: var(--muted); }
.tick { width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 800; flex: none; background: var(--ok-bg); color: var(--accent); }
.off .tick { background: var(--card-2); color: var(--muted); }

/* badges */
.badge { display: inline-block; padding: 3px 10px; border-radius: 99px; font-size: 12px; font-weight: 700; background: var(--card-2); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--accent); border-color: transparent; }
.badge.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.badge.fail { background: var(--fail-bg); color: var(--fail); border-color: transparent; }
.notice { padding: 12px 14px; border-radius: 12px; background: var(--warn-bg); color: var(--warn); font-size: 14px; }
.notice.ok { background: var(--ok-bg); color: var(--accent); }

/* referrals */
.refs { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.ref { border: 1px solid var(--line); border-radius: 12px; padding: 16px; display: grid; gap: 8px; background: var(--card-2); }
.ref b { font-size: 17px; }
.ref p { margin: 0; color: var(--muted); font-size: 14px; }

/* pay */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.plan-opt { text-align: left; display: grid; justify-content: stretch; align-content: start; gap: 6px; padding: 18px; border-radius: 14px; border: 1px solid var(--line); background: var(--card-2); color: var(--text); font-weight: 400; }
.plan-opt[aria-pressed="true"] { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); background: var(--accent-soft); }
.plan-opt .t { font-size: 18px; font-weight: 800; text-transform: capitalize; }
.plan-opt .p { font-size: 14px; color: var(--muted); }
.plan-opt ul { margin: 6px 0 0; padding-left: 18px; color: var(--muted); font-size: 13px; }
.step-title { font-weight: 700; margin: 22px 0 10px; }
.terms .seg button { min-width: 110px; display: grid; gap: 0; }
.terms .seg small { font-weight: 500; font-size: 12px; color: var(--muted); }
.total { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.total .sum { font-size: 28px; font-weight: 800; }
.pay-box { display: grid; gap: 14px; }
.copy-field { display: flex; gap: 8px; align-items: stretch; }
.copy-field code { flex: 1; padding: 11px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--card-2); word-break: break-all; font-size: 14px; }
.steps { counter-reset: s; display: grid; gap: 18px; margin: 0; padding: 0; list-style: none; }
.steps > li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; }
.steps > li::before { counter-increment: s; content: counter(s); width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font-weight: 800; font-size: 14px; }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-weight: 600; font-size: 13px; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 11px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
td.hash { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* toast */
.toast { position: fixed; right: 20px; bottom: 20px; z-index: 50; max-width: 380px; padding: 12px 16px; border-radius: 12px; font-weight: 600; box-shadow: 0 10px 30px rgba(0,0,0,.2); background: var(--fail-bg); color: var(--fail); }
.toast.ok { background: var(--ok-bg); color: var(--accent); }

@media (max-width: 760px) {
  .topbar { padding: 10px 16px; gap: 10px; }
  .nav { order: 3; width: 100%; overflow-x: auto; flex-wrap: nowrap; }
  .nav button { white-space: nowrap; }
  main { padding: 20px 16px 48px; }
  .grid-2, .plans { grid-template-columns: 1fr; }
  .card { padding: 18px; }
  .copy-field { flex-direction: column; }
}