/* DwinPay sign-in — deep-space theme (cyan for clients, orange for admin). */
:root {
  --bg: #050a14;
  --panel: #0b1424;
  --line: #1c2c45;
  --text: #e6eefb;
  --muted: #8ea2c0;
  --accent: #22d3ee;
  --accent-ink: #001018;
  --danger: #ff6b6b;
  --ok: #34d399;
  --radius: 14px;
  color-scheme: dark;
}
body[data-realm="admin"] { --accent: #fb923c; --accent-ink: #1a0b00; }

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(34, 211, 238, .10), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(251, 146, 60, .08), transparent 60%),
    var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px 16px;
}
.card {
  width: 100%;
  max-width: 420px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent), var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: 0 30px 80px rgba(0,0,0,.45), 0 0 0 1px rgba(255,255,255,.02) inset;
}
.brand {
  font-weight: 800;
  letter-spacing: .28em;
  text-transform: uppercase;
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 18px;
}
.brand span { color: var(--muted); letter-spacing: .12em; font-weight: 600; }
h2 { margin: 0 0 6px; font-size: 22px; }
.muted { color: var(--muted); margin: 0 0 18px; font-size: 14px; }
form { display: grid; gap: 14px; margin: 14px 0; }
label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
input {
  background: #060d1a;
  border: 1px solid var(--line);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 16px;
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
input.code { letter-spacing: .4em; font-variant-numeric: tabular-nums; text-align: center; font-size: 20px; }
button {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}
button.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
button.ghost { border-style: dashed; }
button:disabled { opacity: .55; cursor: progress; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.divider { text-align: center; color: var(--muted); font-size: 12px; margin: 6px 0; text-transform: uppercase; letter-spacing: .2em; }
details summary { cursor: pointer; color: var(--muted); font-size: 14px; margin-bottom: 10px; }
details input { width: 100%; margin-bottom: 10px; }
.qr { display: grid; place-items: center; background: #fff; border-radius: 10px; padding: 10px; margin: 8px auto; width: fit-content; }
.qr:empty { display: none; }
code { background: #060d1a; border: 1px solid var(--line); padding: 2px 6px; border-radius: 6px; word-break: break-all; }
ol.codes { columns: 2; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; padding-left: 22px; }
.message { min-height: 22px; font-size: 14px; margin-top: 8px; }
.message.error { color: var(--danger); }
.message.ok { color: var(--ok); }
.foot { margin-top: 22px; font-size: 12px; color: var(--muted); text-align: center; }