.page-gate {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: calc(28px + env(safe-area-inset-top)) 16px calc(28px + env(safe-area-inset-bottom));
}

.page-gate::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 42%, rgba(47, 107, 255, .16), transparent 28%),
    repeating-linear-gradient(90deg, transparent 0 27px, rgba(47, 107, 255, .045) 27px 28px),
    repeating-linear-gradient(0deg, transparent 0 27px, rgba(47, 107, 255, .045) 27px 28px);
  -webkit-mask: radial-gradient(circle at 50% 42%, #000 0 18%, transparent 70%);
  mask: radial-gradient(circle at 50% 42%, #000 0 18%, transparent 70%);
}

.checkpoint {
  display: grid;
  gap: 16px;
  width: min(100%, 400px);
  animation: desk-in .5s cubic-bezier(.16, 1, .3, 1) both;
}

@keyframes desk-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

.checkpoint-site {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .2em;
  color: var(--ink);
}

.page-gate .slip {
  border-radius: 22px 22px 22px 6px;
  box-shadow: 8px 10px 0 rgba(47, 107, 255, .14);
}

.page-gate .slip::before {
  transform: scaleX(0);
  transform-origin: left center;
  animation: rule-draw .55s .12s cubic-bezier(.16, 1, .3, 1) forwards;
}

@keyframes rule-draw { to { transform: scaleX(1); } }

.plate {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 6px;
  padding: 12px;
  border-radius: 14px;
  background:
    linear-gradient(#fff, #fff) padding-box,
    repeating-linear-gradient(135deg, rgba(47, 107, 255, .35) 0 8px, transparent 8px 14px) border-box;
  border: 1.5px solid transparent;
}

.plate-label {
  justify-self: start;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .18em;
  color: var(--blue);
}

.plate-img { padding: 0; border: 0; background: none; border-radius: 8px; }

.plate-img img {
  width: 220px;
  height: auto;
  aspect-ratio: 200 / 76;
  border-radius: 8px;
  background: #fff;
  box-shadow: 2px 2px 0 rgba(47, 107, 255, .15);
  transition: opacity .2s, transform .35s cubic-bezier(.16, 1, .3, 1);
}

.plate-img img.is-loading { opacity: .25; transform: scale(.98); }

.plate-refresh {
  position: absolute;
  top: 8px;
  right: 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border: 0;
  border-radius: 999px;
  background: #fff;
  box-shadow: 2px 2px 0 rgba(47, 107, 255, .15);
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-deep);
}

.plate-refresh svg { width: 13px; height: 13px; }
.plate-refresh:hover { background: var(--blue-soft); }
.plate-refresh:active svg { transform: rotate(-180deg); transition: transform .35s cubic-bezier(.16, 1, .3, 1); }

.entry { display: grid; gap: 10px; margin-top: 16px; }

.entry-label {
  font-size: 13px;
  letter-spacing: .08em;
  text-align: center;
  color: var(--muted);
}

.cells {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.cells-input {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  outline: none;
  background: transparent;
  color: transparent;
  -webkit-text-fill-color: transparent;
  caret-color: transparent;
  font-size: 16px;
  cursor: text;
}

.cells-input::selection { background: transparent; }

.cell {
  position: relative;
  display: grid;
  place-items: center;
  height: 64px;
  border: 1.5px solid #d5e2f5;
  border-radius: 12px 12px 4px 12px;
  background: #fff;
  box-shadow: 3px 3px 0 rgba(47, 107, 255, .08);
  font-family: var(--f-serif);
  font-size: 30px;
  font-weight: 650;
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s, transform .12s;
}

.cell.filled { animation: digit-in .18s cubic-bezier(.16, 1.2, .3, 1); }

@keyframes digit-in {
  from { transform: translateY(8px) scale(.92); }
}

.cell.active {
  border-color: var(--blue);
  box-shadow: 3px 3px 0 rgba(47, 107, 255, .28);
}

.cell.active:not(.filled)::before {
  content: "";
  width: 2px;
  height: 26px;
  background: var(--blue);
  animation: caret 1s steps(1) infinite;
}

@keyframes caret { 50% { opacity: 0; } }

.entry-msg {
  min-height: 1.4em;
  font-size: 13px;
  font-weight: 750;
  text-align: center;
  color: var(--seal);
}

.slip.is-wrong .cells { animation: refuse .4s cubic-bezier(.36, .07, .19, .97); }
.slip.is-wrong .cell { border-color: var(--seal); background: #fff6f6; box-shadow: 3px 3px 0 rgba(229, 72, 77, .25); }

@keyframes refuse {
  20% { transform: translateX(-8px); }
  40% { transform: translateX(7px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(2px); }
}

.slip.is-checking .btn-ink { filter: saturate(.85); }

.inspect { display: grid; gap: 8px; }

.inspect-track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #e7eefc;
  box-shadow: inset 0 0 0 1px rgba(47, 107, 255, .12);
}

.inspect-fill {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #8eb0ff, var(--blue) 70%, var(--blue-deep));
  transform: scaleX(0);
  transform-origin: left center;
}

.inspect-fill.is-run { animation: inspect 1.7s cubic-bezier(.22, .7, .2, 1) forwards; }

@keyframes inspect { to { transform: scaleX(1); } }

.inspect-label {
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .2em;
  text-align: center;
  color: var(--blue-deep);
}

.slip-foot {
  margin: 16px -22px 0;
  padding: 12px 22px 0;
  font-size: 12px;
  text-align: center;
  color: var(--faint);
}

.pass-stamp {
  position: absolute;
  top: 46%;
  left: 50%;
  width: 168px;
  margin: -84px 0 0 -84px;
  color: var(--seal);
  opacity: 0;
  transform: scale(1.8) rotate(-24deg);
  pointer-events: none;
}

.pass-stamp svg { display: block; width: 100%; height: auto; overflow: visible; }
.pass-ring { font-family: var(--f-mono); font-size: 9px; font-weight: 700; fill: currentColor; }
.pass-cn { font-size: 21px; font-weight: 800; letter-spacing: 2px; fill: currentColor; }
.pass-date { font-family: var(--f-mono); font-size: 8.5px; letter-spacing: 1.5px; fill: currentColor; }

.slip.is-passed .pass-stamp {
  opacity: .92;
  transform: scale(1) rotate(-12deg);
  transition: transform .22s cubic-bezier(.2, 1.6, .3, 1), opacity .08s;
}

.slip.is-passed { animation: thud .28s .12s; }

@keyframes thud {
  40% { transform: translate(1px, 2px); }
}

@media (max-height: 640px) {
  .page-gate { place-items: start center; }
}