:root {
  --bg: #0f1419;
  --card: #1a222c;
  --fg: #f2f5f8;
  --muted: #9aa7b5;
  --accent: #2f9e44;
  --accent2: #1c7ed6;
  --danger: #c92a2a;
  --key: #243041;
  --radius: 16px;
  --gap: 12px;
  font-size: 18px;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #eef2f6; --card: #fff; --fg: #122; --muted: #556; --key: #e7edf5;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 8px; top: 8px; background: var(--card); padding: 8px; z-index: 9; }
.top { text-align: center; padding: 16px 12px 0; }
.badge { display: inline-block; background: #5c3d00; color: #ffe8a3; padding: 4px 10px;
  border-radius: 999px; font-size: 0.75rem; font-weight: 700; letter-spacing: .02em; }
h1 { margin: 8px 0 0; font-size: 1.6rem; }
.sub { color: var(--muted); margin: 4px 0 0; }
.card { max-width: 420px; margin: 16px auto; padding: 20px; background: var(--card);
  border-radius: var(--radius); box-shadow: 0 8px 28px rgba(0,0,0,.25); }
.prompt { text-align: center; margin: 0 0 8px; font-weight: 600; }
.pin { text-align: center; font-size: 2rem; letter-spacing: 0.4em; margin: 8px 0 16px;
  font-variant-numeric: tabular-nums; min-height: 2.2rem; }
.actions { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); margin-bottom: 16px; }
.btn { min-height: 56px; border: 0; border-radius: 12px; font-size: 1.05rem; font-weight: 700;
  background: var(--key); color: var(--fg); cursor: pointer; touch-action: manipulation; }
.btn:focus-visible, .key:focus-visible { outline: 3px solid var(--accent2); outline-offset: 2px; }
.btn.primary { background: var(--accent); color: #fff; }
.btn[data-action="OUT"].active, #btn-out.active { background: var(--accent2); color: #fff; }
.btn:disabled, .key:disabled { opacity: .45; cursor: not-allowed; }
.keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.key { min-height: 64px; border: 0; border-radius: 12px; background: var(--key); color: var(--fg);
  font-size: 1.4rem; font-weight: 700; cursor: pointer; touch-action: manipulation; }
.key.danger { color: #ffc9c9; }
.msg { min-height: 1.4em; text-align: center; margin: 14px 0 0; font-weight: 600; }
.msg.err { color: #ff8787; }
.msg.ok { color: #8ce99a; }
.hint { color: var(--muted); font-size: 0.8rem; text-align: center; margin-top: 10px; }
.foot { text-align: center; color: var(--muted); font-size: 0.75rem; padding: 12px; }
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: grid; place-items: center; padding: 16px; }
.overlay[hidden] { display: none !important; }
.overlay-card { background: var(--card); color: var(--fg); max-width: 360px; width: 100%;
  padding: 24px; border-radius: var(--radius); text-align: center; }
.overlay-card .btn { width: 100%; margin-top: 12px; }
@media (max-width: 380px) {
  :root { font-size: 16px; }
  .key { min-height: 56px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* --- Tablet / kiosk San Jorge (pt346u) --- */
body.kiosk .card { max-width: 560px; padding: 28px; }
body.kiosk .key { min-height: 80px; font-size: 1.7rem; border-radius: 16px; }
body.kiosk .btn { min-height: 72px; font-size: 1.25rem; border-radius: 16px; }
body.kiosk .pin { font-size: 2.6rem; }
body.kiosk h1 { font-size: 2rem; }
.net { text-align: center; font-size: 0.85rem; margin: 4px 0 0; min-height: 1.2em; }
.net.off { color: #ff8787; font-weight: 700; }
.net.on { color: #8ce99a; }
@media (min-width: 768px) and (pointer: coarse) {
  body.kiosk .keypad { gap: 16px; }
  body.kiosk .key { min-height: 96px; }
}