/* yoloy customer card — light by default.
   The QR needs maximum contrast under a scanner, and a dark page with a white
   code inset reads worse on cheap cameras than plain black on white. */

:root {
  --ink: #1b1714;
  --ink-soft: #5c534c;
  --paper: #fffdfa;
  --surface: #f6f0e8;
  --line: #e6ddd2;
  --accent: #c2410c;
  --accent-soft: #fff1e8;
  --bad: #b91c1c;
  --radius: 14px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

/**
 * `hidden` must always win.
 *
 * The attribute only hides an element because the browser's own stylesheet says
 * `display: none` — and *any* author rule setting `display` beats it. Screens
 * are `display: flex`, so without this every screen rendered at once, stacked a
 * viewport apart, and switching screens appeared to do nothing at all.
 */
[hidden] { display: none !important; }


body {
  margin: 0;
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

.screen {
  min-height: 100dvh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
           env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.pane {
  width: min(100% - 2rem, 24rem);
  margin: 0 auto;
  padding-top: 3.5rem;
}

.logo {
  font-size: 2rem;
  font-weight: 780;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--accent);
}
.tagline {
  color: var(--ink-soft);
  margin: 0.35rem 0 2rem;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 620;
  color: var(--ink-soft);
  margin: 1rem 0 0.35rem;
}

input {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 0.85rem 0.9rem;
}
input:focus { outline: none; border-color: var(--accent); }

.btn {
  font: inherit;
  font-weight: 640;
  border: 1.5px solid transparent;
  border-radius: 999px;
  padding: 0.85rem 1.4rem;
  cursor: pointer;
  touch-action: manipulation;
}
.btn:disabled { opacity: 0.45; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-block { display: block; width: 100%; margin-top: 1.75rem; }

.error {
  margin-top: 1rem;
  color: var(--bad);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ---------- bar ---------- */

.bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--line);
  min-height: 3rem;
}
.bar-title {
  flex: 1;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.bar-btn {
  background: none;
  border: none;
  color: var(--accent);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  padding: 0.4rem;
}

/* ---------- the code ---------- */

.qr-block {
  padding: 1.75rem 1rem 1.25rem;
  text-align: center;
}
.qr {
  width: min(72vw, 17rem);
  margin: 0 auto;
  background: #fff;
  padding: 0.9rem;
  border-radius: 18px;
  border: 1px solid var(--line);
}
.qr svg { display: block; width: 100%; height: auto; }
.qr-status {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin: 0.9rem 0 0;
}

/* ---------- cards ---------- */

.cards-block {
  width: min(100% - 2rem, 30rem);
  margin: 0 auto;
  padding-bottom: 2.5rem;
}
.cards-block h2 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin: 1.5rem 0 0.75rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem;
}
.card + .card { margin-top: 0.75rem; }

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}
.card-head h3 { margin: 0; font-size: 1.1rem; }
.card-count {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--accent);
}

.dots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.85rem 0 0.6rem;
}
.dot {
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  border: 2px solid var(--line);
  background: var(--paper);
}
.dot-on { background: var(--accent); border-color: var(--accent); }

.card-reward {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.card-ready {
  margin: 0.85rem 0 0;
  padding: 0.65rem 0.8rem;
  background: var(--accent-soft);
  border-radius: 10px;
  font-weight: 620;
  font-size: 0.95rem;
}

.empty {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.6;
}