:root { --bg: #f6f7fb; --card: #fff; --ink: #1f2330; --muted: #6b7183; --line: #e6e8ef; --brand: #4f46e5; --ok: #15803d; --okbg: #dcfce7; --warn: #a16207; --warnbg: #fef3c7; --bad: #b91c1c; --badbg: #fee2e2; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #12141b; --card: #1b1e27; --ink: #e8eaf1; --muted: #9aa0b2; --line: #2b2f3b; --brand: #818cf8; --okbg: #12361f; --ok: #6ee7a0; --warnbg: #3a2e0b; --warn: #fcd34d; --badbg: #3d1414; --bad: #fca5a5; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.wrap { max-width: 760px; margin: 0 auto; padding: 20px 16px 48px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.brand img { width: 32px; height: 32px; }
h1 { font-size: 22px; margin: 0 0 6px; }
h2 { font-size: 16px; margin: 0 0 10px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; margin-bottom: 14px; }
.hint { color: var(--muted); font-size: 13px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0 4px; }
input { width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; font: inherit; background: var(--card); color: var(--ink); }
input:focus { outline: 2px solid var(--brand); outline-offset: -1px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.danger { color: var(--bad); }
.btn:disabled { opacity: .6; cursor: default; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.grow { flex: 1; }
.tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.tabs button { flex: 1; }
.tabs .on { background: var(--brand); color: #fff; border-color: var(--brand); }
.pill { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; background: var(--line); color: var(--muted); }
.pill.ok { background: var(--okbg); color: var(--ok); }
.pill.warn { background: var(--warnbg); color: var(--warn); }
.pill.bad { background: var(--badbg); color: var(--bad); }
.store { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.code { font: 700 28px/1 ui-monospace, Consolas, monospace; letter-spacing: 4px; padding: 12px 16px; border: 2px dashed var(--brand); border-radius: 12px; display: inline-block; margin: 8px 0; user-select: all; }
.err { color: var(--bad); font-size: 14px; min-height: 20px; margin-top: 8px; }
ol { padding-left: 20px; margin: 8px 0; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; font-size: 14px; margin-top: 10px; }
.kv b { color: var(--muted); font-weight: 600; }
details summary { cursor: pointer; font-weight: 600; margin-top: 10px; }
pre { white-space: pre-wrap; font-size: 12px; background: var(--bg); padding: 8px; border-radius: 8px; }
select { padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; font: inherit; background: var(--card); color: var(--ink); width: 100%; }
hr { border: 0; border-top: 1px solid var(--line); margin: 14px 0; }
.bill { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.plan { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.plan .r { text-align: right; white-space: nowrap; }
.inc { margin: 6px 0 0; padding-left: 18px; color: var(--muted); font-size: 13px; }
.inc li { margin: 2px 0; }
.feats { display: grid; gap: 4px; margin: 4px 0 8px; }
/* Pix: janela com o QR code */
.pix-back { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 16px; background: rgba(15, 23, 42, .45); overflow-y: auto; }
.pix { width: min(380px, 100%); margin: 0; text-align: center; }
.pix h2 { margin: 0 0 4px; }
.pix-val { font-size: 30px; font-weight: 800; margin: 8px 0; }
.pix-qr { width: 220px; height: 220px; max-width: 100%; image-rendering: pixelated; background: #fff; padding: 8px; border-radius: 10px; }
.pix-code { width: 100%; font: 12px/1.3 ui-monospace, Consolas, monospace; padding: 8px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--ink); resize: none; margin: 4px 0 10px; }
.pix-st { color: var(--muted); font-size: 13px; margin: 10px 0 0; }