/* Homepage spoiler gate. Sizes scale from --pw. Fonts are the self-hosted files. */
@font-face {
  font-family: "Permanent Marker";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/permanent-marker.woff2") format("woff2");
}
@font-face {
  font-family: "Courier Prime";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/courier-prime-400.woff2") format("woff2");
}
@font-face {
  font-family: "Courier Prime";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/fonts/courier-prime-700.woff2") format("woff2");
}

html.tt-spoiler-on,
html.tt-spoiler-on body {
  overflow: hidden;
  height: 100%;
}

.spoiler-gate {
  --pw: min(64vw, 90vh);
  --b: calc(var(--pw) * 0.1);
  --lw: calc(var(--pw) * 0.68);
  --h1: calc(var(--pw) * 0.092);
  --t1: calc(var(--pw) * 0.0225);
  --t2: calc(var(--pw) * 0.0195);
  --t3: calc(var(--pw) * 0.0145);
  --ink: #2b130a;
  position: fixed;
  inset: 0;
  z-index: 400;
  overflow: hidden;
  background: #07122a url("/spoiler/bg.webp") center bottom / cover no-repeat;
  color: #f3e3c0;
  font-family: "Courier Prime", Courier, monospace;
  transition: opacity 0.5s, visibility 0s linear 0.5s;
}
.spoiler-gate.is-hidden {
  opacity: 0;
  visibility: hidden;
}
.spoiler-gate::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 45%, transparent 45%, rgba(2, 6, 18, 0.55) 100%);
}
.spoiler-gate img {
  display: block;
  -webkit-user-drag: none;
  user-select: none;
}

.spoiler-gate .palm {
  position: absolute;
  top: -1vh;
  z-index: 1;
  pointer-events: none;
}
.spoiler-gate .palm.l {
  left: -3vw;
  width: min(34vw, 60vh);
}
.spoiler-gate .palm.r {
  right: -3vw;
  width: min(31vw, 56vh);
}
.spoiler-gate .torch {
  position: absolute;
  z-index: 2;
  pointer-events: none;
}
.spoiler-gate .torch img {
  height: 100%;
  width: auto;
}
.spoiler-gate .torch.l {
  left: 2vw;
  bottom: 5vh;
  height: 60vh;
}
.spoiler-gate .torch.r {
  right: 4vw;
  bottom: 5vh;
  height: 50vh;
}
.spoiler-gate .foliage {
  position: absolute;
  left: 0;
  bottom: -1vh;
  width: 100%;
  height: 20vh;
  object-fit: cover;
  object-position: center bottom;
  z-index: 3;
  pointer-events: none;
}

/* flame-sprite-*.webp: 12 painted frames in one strip, each cell 180x224 (1x).
   Every frame shares its base at 50% x, 92.6% y. The flame sits behind the torch art
   with that base tucked under the basket's top band, so its flat bottom never shows. */
.spoiler-gate .flame {
  position: absolute;
  z-index: -1;
  left: var(--fx);
  top: 9%;
  width: 46%;
  aspect-ratio: 180 / 224;
  transform: translate(-50%, -92.6%);
  pointer-events: none;
  background: image-set(url("/spoiler/flame-sprite-1x.webp") 1x, url("/spoiler/flame-sprite-2x.webp") 2x) 0 0 / 1200% 100% no-repeat;
  animation: spoiler-flame 1.02s steps(12, jump-none) infinite;
}
.spoiler-gate .torch.r .flame {
  transform: translate(-50%, -92.6%) scaleX(-1);
  animation-duration: 1.11s;
  animation-delay: -0.51s;
}
.spoiler-gate .flame::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6%;
  z-index: -1;
  width: 300%;
  aspect-ratio: 1;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 140, 40, 0.38), rgba(255, 90, 20, 0.12) 40%, transparent 68%);
  mix-blend-mode: screen;
  animation: spoiler-glow 2.1s ease-in-out infinite;
}
@keyframes spoiler-flame {
  to {
    background-position-x: 100%;
  }
}
@keyframes spoiler-glow {
  0%,
  100% {
    opacity: 0.85;
  }
  40% {
    opacity: 1;
  }
  70% {
    opacity: 0.7;
  }
}

.spoiler-gate .stage {
  position: relative;
  z-index: 4;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2vh 0 4vh;
  animation: spoiler-rise 0.7s ease-out both;
}
@keyframes spoiler-rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.spoiler-gate .logo {
  position: relative;
  z-index: 5;
  width: var(--lw);
  margin-bottom: calc(var(--pw) * -0.05);
  filter: drop-shadow(0 0.6em 0.8em rgba(0, 0, 0, 0.5));
}
.spoiler-gate .panel {
  width: var(--pw);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: var(--ink);
  border: solid transparent;
  border-width: calc(var(--b) * 0.62) var(--b) calc(var(--b) * 0.84);
  border-image: url("/spoiler/panel.webp") 56 88 76 90 fill / calc(var(--b) * 0.62) var(--b) calc(var(--b) * 0.84)
    stretch;
  padding: calc(var(--pw) * 0.045) calc(var(--pw) * 0.02) calc(var(--pw) * 0.015);
  filter: drop-shadow(0 1.2em 1.6em rgba(0, 0, 0, 0.55));
}
.spoiler-gate .icon {
  width: calc(var(--pw) * 0.105);
}
.spoiler-gate h1 {
  position: relative;
  margin: 0.05em 0 0.38em;
  font: 400 var(--h1) / 1.05 "Permanent Marker", "Rock Salt", "Brush Script MT", cursive;
  letter-spacing: -0.01em;
  transform: skewX(-7deg);
  color: #1f0a05;
}
.spoiler-gate h1::after {
  content: "";
  position: absolute;
  left: 3%;
  right: 3%;
  bottom: -0.1em;
  height: 0.07em;
  border-radius: 50%;
  background: linear-gradient(90deg, transparent, #a8231a 10%, #d23b22 55%, #a8231a 90%, transparent);
  transform: rotate(-0.5deg);
}
.spoiler-gate .lead {
  margin: 0;
  font: 700 var(--t1) / 1.3 "Courier Prime", Courier, monospace;
}
.spoiler-gate .sub {
  margin: 0.7em 0 0;
  max-width: 30em;
  font: 400 var(--t2) / 1.45 "Courier Prime", Courier, monospace;
}
.spoiler-gate .actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--pw) * 0.03);
  width: 100%;
  margin: calc(var(--pw) * 0.04) 0 0;
}
.spoiler-gate .btn {
  all: unset;
  display: block;
  cursor: pointer;
  border-radius: 10px;
}
.spoiler-gate .btn.enter {
  position: relative;
  width: calc(var(--pw) * 0.42);
  aspect-ratio: 760 / 190;
}
.spoiler-gate .btn.enter .sf,
.spoiler-gate .btn.enter .lb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.spoiler-gate .btn.enter .sf {
  filter: drop-shadow(0 0.3em 0.4em rgba(0, 0, 0, 0.45));
}
.spoiler-gate .btn.enter .lb {
  transform-origin: 50% 50%;
}
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .spoiler-gate .btn.enter:hover .lb {
    animation: spoiler-shake 0.38s ease-in-out 1;
  }
}
@keyframes spoiler-shake {
  0%,
  100% {
    transform: translate(0, 0) rotate(0);
  }
  18% {
    transform: translate(-1.5px, 0) rotate(-0.7deg);
  }
  36% {
    transform: translate(1.5px, 0.5px) rotate(0.7deg);
  }
  54% {
    transform: translate(-1px, 0) rotate(-0.4deg);
  }
  72% {
    transform: translate(1px, -0.5px) rotate(0.4deg);
  }
  88% {
    transform: translate(-0.5px, 0) rotate(-0.2deg);
  }
}
.spoiler-gate .btn:focus-visible,
.spoiler-gate .check input:focus-visible + .box {
  outline: 3px solid #ffd27a;
  outline-offset: 3px;
}
.spoiler-gate .note {
  margin: 0.9em 0 0;
  font: 400 var(--t2) / 1.3 "Courier Prime", Courier, monospace;
}
.spoiler-gate .divider {
  width: 88%;
  height: 1px;
  border: 0;
  margin: calc(var(--pw) * 0.02) 0 calc(var(--pw) * 0.014);
  background: linear-gradient(90deg, transparent, rgba(90, 50, 20, 0.5), transparent);
}
.spoiler-gate .check {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  cursor: pointer;
  white-space: nowrap;
  font: 400 var(--t3) / 1 "Courier Prime", Courier, monospace;
}
.spoiler-gate .check input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}
.spoiler-gate .box {
  flex: none;
  width: 1.9em;
  height: 1.75em;
  background: url("/spoiler/box-empty.webp") center / contain no-repeat;
  border-radius: 4px;
}
.spoiler-gate .check input:checked + .box {
  background-image: url("/spoiler/box-checked.webp");
}

@media (max-width: 720px) {
  .spoiler-gate {
    --pw: 94vw;
    --b: 9vw;
    --lw: 88vw;
    --h1: max(40px, 11.5vw);
    --t1: max(14px, 3.9vw);
    --t2: max(13px, 3.5vw);
    --t3: max(11px, 3vw);
  }
  .spoiler-gate .palm.l {
    width: 58vw;
  }
  .spoiler-gate .palm.r {
    width: 52vw;
  }
  .spoiler-gate .torch.l {
    left: -1vw;
    bottom: 2vh;
    height: 20vh;
  }
  .spoiler-gate .torch.r {
    right: 0;
    bottom: 2vh;
    height: 20vh;
  }
  .spoiler-gate .foliage {
    height: 13vh;
  }
  .spoiler-gate .stage {
    justify-content: flex-start;
    padding-top: 3vh;
    overflow-y: auto;
  }
  .spoiler-gate .icon {
    width: 17vw;
  }
  .spoiler-gate .actions {
    margin-top: 5vw;
  }
  .spoiler-gate .btn.enter {
    width: 72vw;
  }
  .spoiler-gate .panel {
    padding-bottom: 4vw;
  }
  .spoiler-gate .check {
    white-space: normal;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .spoiler-gate .flame,
  .spoiler-gate .flame::before,
  .spoiler-gate .stage,
  .spoiler-gate .btn.enter:hover .lb {
    animation: none;
  }
}