:root {
  --bg: #0b0d12; --surface: #141822; --surface-2: #1c2230; --line: #2a3142;
  --fg: #eef1f7; --fg-2: #aab2c5; --fg-3: #7d86a0;
  --accent: #7c5cff; --accent-fg: #fff; --good: #3ecf8e; --warn: #f5b942; --bad: #ff6b6b;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6fa; --surface: #fff; --surface-2: #eef0f6; --line: #d9dde8;
    --fg: #12151e; --fg-2: #434a5e; --fg-3: #6a728a; --accent: #5b3df5; color-scheme: light;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 640px; margin: 0 auto; padding: 32px 16px 64px; }
main.wide { max-width: 1100px; }
.brand { letter-spacing: .2em; text-transform: uppercase; font-size: 13px; font-weight: 700; color: var(--fg-3); margin: 0; }
.brand b { color: var(--accent); }
h1 { font-size: 28px; margin: 4px 0 8px; }
h2 { font-size: 18px; margin: 0 0 12px; }
p { margin: 0 0 12px; color: var(--fg-2); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px; margin-top: 20px; }
label { display: block; font-size: 13px; color: var(--fg-3); margin: 12px 0 4px; }
input, select { width: 100%; padding: 12px 14px; font: inherit; color: var(--fg); background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; }
input:focus, select:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
input.code { font: 600 24px ui-monospace, Consolas, monospace; letter-spacing: .12em; text-align: center; text-transform: uppercase; }
button, .btn { display: inline-block; cursor: pointer; font: inherit; font-weight: 600; padding: 11px 18px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface-2); color: var(--fg); text-decoration: none; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
button.danger { color: var(--bad); }
button.small { padding: 6px 10px; font-size: 13px; }
button:disabled { opacity: .5; cursor: default; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row > * { flex: 0 0 auto; }
.tabs { display: flex; gap: 8px; margin-bottom: 4px; }
.tabs button[aria-selected="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
.msg { margin-top: 12px; padding: 10px 14px; border-radius: 10px; font-size: 14px; }
.msg.ok { background: color-mix(in srgb, var(--good) 15%, transparent); color: var(--good); }
.msg.err { background: color-mix(in srgb, var(--bad) 15%, transparent); color: var(--bad); }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; background: var(--surface-2); }
.pill.TRIAL { color: var(--warn); } .pill.ACTIVE { color: var(--good); }
.pill.EXPIRED, .pill.BLOCKED, .pill.REVOKED { color: var(--bad); }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 4px 12px; font-size: 14px; }
.kv dt { color: var(--fg-3); } .kv dd { margin: 0; }
.list-item { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); align-items: center; }
.list-item:first-child { border-top: 0; }
.muted { color: var(--fg-3); font-size: 13px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; margin-top: 20px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px; }
.stat b { display: block; font-size: 28px; }
.stat span { font-size: 13px; color: var(--fg-3); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--fg-3); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
tbody tr { cursor: pointer; } tbody tr:hover { background: var(--surface-2); }
.scroll { overflow-x: auto; }
[hidden] { display: none !important; }
@media (max-width: 520px) { .kv { grid-template-columns: 1fr; } }

.mono { font-family: ui-monospace, Consolas, monospace; letter-spacing: .08em; }