:root {
  --bg: #101612;
  --card: #1a2420;
  --line: #2c3d35;
  --ink: #e7f0ea;
  --muted: #9aafa3;
  --ok: #3dba7a;
  --warn: #d4a017;
  --bad: #e85d5d;
  --accent: #6fd6a4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(800px 400px at 10% -10%, #24382e, transparent 55%),
    linear-gradient(165deg, #0c100e, #15201a);
}

.wrap {
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.wrap.narrow {
  width: min(420px, calc(100% - 2rem));
  text-align: center;
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--accent);
}

h1 {
  margin: 0.35rem 0 0;
  font-size: 1.65rem;
}

.lead,
.meta,
.hint {
  color: var(--muted);
  line-height: 1.45;
}

.card {
  margin-top: 1rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--card) 94%, transparent);
}

.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

h2 {
  margin: 0;
  font-size: 1rem;
}

.pill {
  font-size: 0.72rem;
  font-weight: 650;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}

.pill.ok {
  background: var(--ok);
  color: #0d2a1a;
  border-color: transparent;
}

.pill.warn {
  background: var(--warn);
  color: #2a2200;
  border-color: transparent;
}

.pill.bad {
  background: var(--bad);
  color: #2a0d0d;
  border-color: transparent;
}

.qr {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-top: 0.85rem;
}

.qr img {
  background: #fff;
  border-radius: 12px;
  padding: 0.4rem;
}

.err {
  color: var(--bad);
  font-size: 0.88rem;
}

.hidden {
  display: none !important;
}

footer {
  margin-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

a {
  color: var(--accent);
}

button {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--accent);
  color: #0d1f16;
  font: inherit;
  font-weight: 650;
  padding: 0.5rem 0.85rem;
  border-radius: 10px;
  cursor: pointer;
}

code {
  color: var(--accent);
  font-size: 0.85em;
}

ol {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  text-align: left;
}