/* Bliink Pay - checkout + admin. Tokens first; dark mode swaps tokens only. */
:root {
  --bg: #f4f6f9; --card: #fff; --ink: #0f172a; --muted: #475569; --line: #e2e8f0; --soft: #f1f5f9;
  --primary: #1d4ed8; --on-primary: #fff; --ring: #2563eb;
  --ok: #047857; --ok-bg: #ecfdf5; --warn: #92400e; --warn-bg: #fffbeb; --err: #b91c1c; --err-bg: #fef2f2;
  --r: 14px; --shadow: 0 1px 2px rgb(15 23 42 / .06), 0 8px 24px rgb(15 23 42 / .06);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120; --card: #111827; --ink: #f1f5f9; --muted: #a3b1c6; --line: #243041; --soft: #172033;
    --primary: #60a5fa; --on-primary: #0b1120; --ring: #93c5fd;
    --ok: #34d399; --ok-bg: #062a1e; --warn: #fbbf24; --warn-bg: #2a1e05; --err: #f87171; --err-bg: #2a0f12;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 var(--font); }
a { color: var(--primary); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 8px; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.num { font-variant-numeric: tabular-nums; }
:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; border-radius: 6px; }
[hidden] { display: none !important; }

/* buttons + inputs */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 20px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink); font: 600 16px var(--font); text-decoration: none; cursor: pointer;
  touch-action: manipulation; transition: background-color .15s, border-color .15s, transform .1s; }
.btn:hover { border-color: var(--muted); }
.btn:active { transform: scale(.98); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.block { display: flex; width: 100%; }
.btn.sm { min-height: 36px; padding: 0 12px; font-size: 14px; border-radius: 9px; }
.btn.danger { color: var(--err); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.linkbtn { background: none; border: 0; padding: 8px; color: var(--muted); font: inherit; text-decoration: underline; cursor: pointer; min-height: 44px; }
label { display: block; font-weight: 600; font-size: 14px; margin: 12px 0 6px; }
input, select, textarea { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--card);
  color: var(--ink); font: 16px var(--font); }
textarea { min-height: 88px; resize: vertical; }
.hint { font-size: 14px; color: var(--muted); margin-top: 6px; }
.err { color: var(--err); background: var(--err-bg); padding: 10px 12px; border-radius: 10px; }
.note { background: var(--soft); padding: 10px 12px; border-radius: 10px; }

/* ---------- checkout ---------- */
.pay { min-height: 100dvh; display: flex; flex-direction: column; align-items: center; padding: 16px; }
.paycard { width: 100%; max-width: 420px; margin-top: 4vh; background: var(--card); border: 1px solid var(--line); border-radius: 20px;
  box-shadow: var(--shadow); padding: 24px 20px; }
.payhead { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.payhead h1 { font-size: 18px; margin: 0; overflow-wrap: anywhere; }
.payhead .ref { font-size: 14px; color: var(--muted); white-space: nowrap; }
.label { font-size: 14px; color: var(--muted); margin: 0 0 2px; }
.amt { font-size: 40px; font-weight: 700; letter-spacing: -.02em; margin: 0 0 6px; font-variant-numeric: tabular-nums; }
.off { font-size: 14px; color: var(--muted); margin-bottom: 20px; }
.off b { color: var(--ink); }
.apps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 8px; }
.apps .btn { padding: 0 8px; font-size: 15px; }
.qrbox { margin: 20px auto 0; text-align: center; }
.qr { width: 216px; max-width: 70vw; aspect-ratio: 1; margin: 0 auto 10px; padding: 10px; background: #fff; border-radius: 12px; border: 1px solid var(--line); }
.qr svg { display: block; width: 100%; height: 100%; }
.wait { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 20px 0 4px; font-size: 15px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--primary); animation: pulse 1.6s ease-in-out infinite; flex: none; }
@keyframes pulse { 50% { opacity: .25; } }
@media (prefers-reduced-motion: reduce) { .dot { animation: none; } .btn { transition: none; } }
.timer { font-weight: 600; font-variant-numeric: tabular-nums; }
.timer.low { color: var(--err); }
details.help { margin-top: 16px; border-top: 1px solid var(--line); padding-top: 12px; }
details.help summary { cursor: pointer; color: var(--muted); min-height: 44px; display: flex; align-items: center; }
.row { display: flex; gap: 8px; align-items: flex-end; }
.row input { flex: 1; }
.state { text-align: center; padding: 8px 0; }
.state svg { width: 56px; height: 56px; margin-bottom: 12px; }
.state.ok svg { color: var(--ok); }
.state.bad svg { color: var(--warn); }
.state h2 { font-size: 22px; }
.msg { margin-top: 10px; font-size: 14px; }
.msg.ok { color: var(--ok); }
.payfoot { max-width: 420px; text-align: center; font-size: 13px; color: var(--muted); margin: 16px 0; overflow-wrap: anywhere; }

/* ---------- admin ---------- */
.adm { max-width: 1100px; margin: 0 auto; padding: 16px; }
.topbar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.topbar .brand { font-weight: 700; font-size: 18px; margin-right: auto; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tabs a { padding: 8px 12px; border-radius: 9px; text-decoration: none; color: var(--muted); font-weight: 600; font-size: 15px; }
.tabs a[aria-current="page"] { background: var(--card); color: var(--ink); border: 1px solid var(--line); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; margin-bottom: 16px; }
.card h2 { font-size: 17px; }
.grid2 { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 860px) { .grid2 { grid-template-columns: 1fr 1fr; } }
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; white-space: nowrap; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
  background: var(--soft); color: var(--muted); white-space: nowrap; }
.badge.paid, .badge.matched, .badge.done, .badge.online { background: var(--ok-bg); color: var(--ok); }
.badge.pending, .badge.unmatched { background: var(--warn-bg); color: var(--warn); }
.badge.failed, .badge.offline { background: var(--err-bg); color: var(--err); }
.flash { background: var(--ok-bg); color: var(--ok); padding: 12px; border-radius: 10px; margin-bottom: 16px; overflow-wrap: anywhere; }
.secret { font-family: ui-monospace, Consolas, monospace; background: var(--soft); padding: 2px 6px; border-radius: 6px; overflow-wrap: anywhere; color: var(--ink); }
.inline { display: inline-flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.inline input { width: auto; min-height: 36px; padding: 6px 8px; font-size: 14px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.body { max-width: 420px; color: var(--muted); overflow-wrap: anywhere; }
.login { max-width: 380px; margin: 12vh auto; }
/* inside the pay.js popup: the popup is the frame, so the page drops its own */
.framed { background: var(--card); }
.framed .pay { min-height: 0; padding: 0; }
.framed .paycard { margin: 0; max-width: none; border: 0; border-radius: 0; box-shadow: none; padding: 20px 20px 8px; }
.framed .payhead { padding-right: 52px; }
.framed .payfoot { margin: 0 0 16px; padding: 0 20px; }