.fa-gate {
  --gate-accent: #4aa0ff;
  position: fixed;
  z-index: 10000;
  inset: 0;
  display: grid;
  place-items: center;
  min-height: 100dvh;
  padding: max(18px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
  color: #f5f8ff;
  background:
    radial-gradient(circle at 14% 18%, rgba(48, 133, 255, .23), transparent 31%),
    radial-gradient(circle at 88% 80%, rgba(135, 86, 255, .17), transparent 34%),
    #03050b;
  overflow: auto;
}

.fa-gate[hidden] { display: none; }
.fa-gate-open { overflow: hidden; }

.fa-gate-grid {
  position: fixed;
  inset: 0;
  opacity: .22;
  background-image:
    linear-gradient(rgba(113, 164, 255, .13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(113, 164, 255, .13) 1px, transparent 1px);
  background-size: 52px 52px;
  transform: perspective(600px) rotateX(60deg) scale(1.4) translateY(15%);
  transform-origin: center bottom;
  pointer-events: none;
}

.fa-gate-slash {
  position: fixed;
  inset: -25%;
  background: linear-gradient(112deg, transparent 0 49.4%, var(--gate-accent) 49.6% 49.9%, rgba(255,255,255,.95) 50% 50.08%, transparent 50.25%);
  filter: drop-shadow(0 0 18px var(--gate-accent));
  pointer-events: none;
}

.fa-gate-panel {
  position: relative;
  width: min(720px, 100%);
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid rgba(126, 183, 255, .42);
  background: linear-gradient(145deg, rgba(12, 19, 35, .96), rgba(5, 8, 17, .98));
  box-shadow: 0 30px 100px rgba(0,0,0,.7), inset 0 0 45px rgba(66,139,255,.08);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
}

.fa-gate-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42%;
  height: 3px;
  background: linear-gradient(90deg, var(--gate-accent), transparent);
  box-shadow: 0 0 18px var(--gate-accent);
}

.fa-gate-code {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 16px;
  color: #8ebcff;
  font: 900 9px/1 system-ui, sans-serif;
  letter-spacing: .22em;
}

.fa-gate-code b { color: #98a7c2; font: inherit; }

.fa-gate h1 {
  display: block;
  margin: 0;
  font: italic 950 clamp(38px, 7vw, 72px)/.9 system-ui, sans-serif;
  letter-spacing: -.055em;
}

.fa-gate h1 em {
  color: transparent;
  font-style: inherit;
  background: linear-gradient(90deg, #fff 5%, #84bdff 52%, #a78cff);
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 0 18px rgba(72, 154, 255, .4));
}

.fa-gate-lead {
  margin: 17px 0 20px;
  color: #b9c5da;
  font-size: 13px;
  line-height: 1.7;
}

.fa-checks {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  border: 0;
}

.fa-checks label {
  position: relative;
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: center;
  gap: 12px;
  min-height: 68px;
  padding: 12px 14px;
  border: 1px solid rgba(151, 175, 216, .2);
  background: rgba(255,255,255,.035);
  cursor: pointer;
  transition: border-color .18s, background .18s, transform .18s;
}

.fa-checks label:hover {
  border-color: rgba(97, 164, 255, .58);
  background: rgba(69, 139, 255, .08);
}

.fa-checks label:has(input:focus-visible) {
  outline: 3px solid #80baff;
  outline-offset: 2px;
}

.fa-checks label:has(input:checked) {
  border-color: color-mix(in srgb, var(--gate-accent) 70%, #fff 15%);
  background: color-mix(in srgb, var(--gate-accent) 11%, #080c17);
  transform: translateX(3px);
}

.fa-checks input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.fa-check-box {
  position: relative;
  width: 25px;
  height: 25px;
  border: 1px solid #66718a;
  background: #080b14;
  transform: rotate(45deg);
  box-shadow: inset 0 0 0 4px #080b14;
}

.fa-checks input:checked + .fa-check-box {
  border-color: #fff;
  background: var(--gate-accent);
  box-shadow: inset 0 0 0 4px #080b14, 0 0 18px var(--gate-accent);
}

.fa-checks input:checked + .fa-check-box::after {
  content: "";
  position: absolute;
  inset: 7px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
}

.fa-checks b {
  display: block;
  color: #fff;
  font-size: 14px;
  line-height: 1.4;
}

.fa-checks small {
  display: block;
  margin-top: 4px;
  color: #aebad0;
  font-size: 11px;
  line-height: 1.55;
}

.fa-gate-action {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr);
  align-items: center;
  gap: 16px;
  margin-top: 20px;
}

.fa-gate-action p {
  display: grid;
  margin: 0;
  text-align: center;
}

.fa-gate-action p strong {
  font: italic 950 22px/1 system-ui, sans-serif;
}

.fa-gate-action p span {
  margin-top: 5px;
  color: #8692a8;
  font: 800 8px/1 system-ui, sans-serif;
  letter-spacing: .13em;
}

#fa-enter {
  min-height: 58px;
  padding: 10px 20px;
  border: 1px solid #364056;
  color: #6d778c;
  background: #111522;
  cursor: not-allowed;
  clip-path: polygon(13px 0, 100% 0, calc(100% - 13px) 100%, 0 100%);
  transition: filter .18s, transform .18s, background .18s, color .18s;
}

#fa-enter span,
#fa-enter small { display: block; }
#fa-enter span { font: 900 14px/1.2 system-ui, sans-serif; letter-spacing: .06em; }
#fa-enter small { margin-top: 5px; font: 800 8px/1 system-ui, sans-serif; letter-spacing: .23em; }

#fa-enter.is-ready {
  border-color: #fff;
  color: #03060c;
  background: linear-gradient(105deg, #fff, #75b6ff 48%, #a98cff);
  box-shadow: 0 0 32px rgba(77, 159, 255, .42);
  cursor: pointer;
}

#fa-enter.is-ready:hover { filter: brightness(1.13); transform: translateY(-2px); }
#fa-enter:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }

.fa-gate-note {
  margin: 13px 0 0;
  color: #78849a;
  font-size: 10px;
  text-align: right;
}

.fa-gate.is-accepted {
  animation: fa-gate-exit .52s cubic-bezier(.72, 0, .22, 1) both;
  pointer-events: none;
}

@keyframes fa-gate-exit {
  0% { opacity: 1; clip-path: inset(0); filter: brightness(1); }
  58% { opacity: 1; clip-path: inset(44% 0 43%); filter: brightness(2.2); }
  100% { opacity: 0; clip-path: inset(50% 0); filter: brightness(3); }
}

@media (max-width: 760px) {
  .fa-gate {
    display: block;
    min-height: 100dvh;
    padding:
      max(10px, env(safe-area-inset-top))
      max(10px, env(safe-area-inset-right))
      max(12px, env(safe-area-inset-bottom))
      max(10px, env(safe-area-inset-left));
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .fa-gate-grid {
    opacity: .16;
    background-size: 34px 34px;
  }

  .fa-gate-slash {
    opacity: .66;
  }

  .fa-gate-panel {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: calc(100dvh - max(22px, env(safe-area-inset-top) + env(safe-area-inset-bottom)));
    margin: 0;
    padding: 17px 14px 15px;
    clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
    box-shadow: 0 18px 60px rgba(0,0,0,.72), inset 0 0 32px rgba(66,139,255,.07);
  }

  .fa-gate-code {
    align-items: center;
    flex-direction: row;
    gap: 8px;
    margin-bottom: 11px;
    font-size: 7px;
    letter-spacing: .16em;
  }

  .fa-gate-code b {
    text-align: right;
  }

  .fa-gate h1 {
    font-size: clamp(32px, 10.2vw, 46px);
    line-height: .92;
  }

  .fa-gate h1 em {
    font-size: .72em;
    letter-spacing: -.045em;
  }

  .fa-gate-lead {
    margin: 11px 0 13px;
    font-size: 11px;
    line-height: 1.55;
  }

  .fa-checks {
    gap: 7px;
  }

  .fa-checks label {
    grid-template-columns: 26px minmax(0, 1fr);
    gap: 10px;
    min-height: 61px;
    padding: 9px 10px;
    touch-action: manipulation;
  }

  .fa-checks label:has(input:checked) {
    transform: translateX(2px);
  }

  .fa-check-box {
    width: 22px;
    height: 22px;
  }

  .fa-checks b {
    font-size: 12px;
    line-height: 1.3;
  }

  .fa-checks small {
    margin-top: 2px;
    font-size: 9px;
    line-height: 1.42;
  }

  .fa-gate-action {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 9px;
    margin-top: auto;
    padding-top: 12px;
  }

  .fa-gate-action p strong {
    font-size: 18px;
  }

  .fa-gate-action p span {
    font-size: 6px;
  }

  #fa-enter {
    width: 100%;
    min-height: 53px;
    padding: 9px 12px;
    touch-action: manipulation;
  }

  #fa-enter span {
    font-size: 12px;
  }

  .fa-gate-note {
    margin-top: 8px;
    font-size: 8px;
    line-height: 1.4;
  }
}

@media (max-width: 380px) {
  .fa-gate-panel {
    padding-inline: 12px;
  }

  .fa-gate-code {
    font-size: 6px;
  }

  .fa-gate h1 {
    font-size: clamp(30px, 10.5vw, 40px);
  }

  .fa-checks b {
    font-size: 11px;
  }

  .fa-checks small {
    font-size: 8.5px;
  }
}

@media (max-width: 760px) and (max-height: 680px) {
  .fa-gate-panel {
    padding-block: 13px 12px;
  }

  .fa-gate-code {
    margin-bottom: 8px;
  }

  .fa-gate-lead {
    margin-block: 8px 10px;
  }

  .fa-checks label {
    min-height: 56px;
    padding-block: 7px;
  }

  .fa-gate-action {
    padding-top: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fa-gate.is-accepted { animation-duration: .04s; }
  .fa-checks label, #fa-enter { transition: none; }
}