:root {
  --bg: #f6f7fb; --panel: #ffffff; --ink: #1c2230; --muted: #667085; --line: #e3e6ee;
  --brand: #4f46e5; --brand-ink: #ffffff; --ok: #12805c; --bad: #b42318; --warn: #b54708;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #11141b; --panel: #1a1f2b; --ink: #e8ebf3; --muted: #98a2b3; --line: #2b3242; --brand: #818cf8; --brand-ink: #11141b; --ok: #4ade80; --bad: #f87171; --warn: #fbbf24; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
h1 { font-size: 22px; margin: 0 0 4px; } h2 { font-size: 17px; margin: 24px 0 8px; } h3 { font-size: 14px; margin: 16px 0 6px; }
a { color: var(--brand); text-decoration: none; } a:hover { text-decoration: underline; }
.muted { color: var(--muted); } .ok { color: var(--ok); } .bad { color: var(--bad); } .warn { color: var(--warn); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; } .grow { flex: 1 1 auto; }
label { display: block; font-weight: 600; margin: 10px 0 4px; font-size: 13px; }
input, select, textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink); font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: 1px; }
button { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); font: inherit; cursor: pointer; }
button.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); font-weight: 600; }
button.danger { color: var(--bad); }
button:disabled { opacity: .55; cursor: default; }
table { width: 100%; border-collapse: collapse; } th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--line); }
.badge.active { color: var(--ok); } .badge.suspended { color: var(--bad); } .badge.trial { color: var(--warn); }
.toast { position: fixed; right: 16px; bottom: 16px; padding: 10px 14px; border-radius: 8px; background: var(--ink); color: var(--bg); max-width: 420px; }
.toast.err { background: var(--bad); color: #fff; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
.note { padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: 16px 0; flex-wrap: wrap; }
.tabs a { padding: 8px 12px; border-bottom: 2px solid transparent; color: var(--muted); } .tabs a.on { color: var(--ink); border-color: var(--brand); font-weight: 600; text-decoration: none; }