:root {
  color-scheme: dark;
  --ink: #f4f0df;
  --muted: rgba(244, 240, 223, 0.62);
  --line: rgba(244, 240, 223, 0.26);
  --glass: rgba(10, 19, 20, 0.68);
  --accent: #df6d47;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #182f34;
  font-family: "Avenir Next Condensed", "Helvetica Neue", sans-serif;
}

body {
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

#stage,
#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
}

#scene {
  display: block;
  cursor: grab;
  transition: filter 900ms ease, opacity 360ms ease;
}

#opening-curtain {
  position: fixed;
  z-index: 100;
  inset: 0;
  overflow: hidden;
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
  background: #050505;
  transition: opacity 540ms cubic-bezier(.22,.68,.24,1), visibility 540ms step-end;
}

#experience-mode-selection {
  position: absolute;
  z-index: 5;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding:
    max(48px, calc(env(safe-area-inset-top) + 34px))
    max(24px, calc(env(safe-area-inset-right) + 20px))
    max(118px, calc(env(safe-area-inset-bottom) + 92px))
    max(24px, calc(env(safe-area-inset-left) + 20px));
  color: #fff;
  text-align: center;
}

.experience-mode-heading h1 {
  margin: 0;
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(38px, 8.8vmin, 76px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: .045em;
}

.experience-mode-heading p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, .62);
  font-size: clamp(10px, 1.8vmin, 13px);
  font-weight: 500;
  letter-spacing: .18em;
}

.experience-mode-options {
  display: grid;
  width: min(508px, 100%);
  gap: 12px;
  transform: translateY(-16px);
}

.experience-mode-option {
  position: relative;
  isolation: isolate;
  display: grid;
  width: 100%;
  min-height: 88px;
  place-content: center;
  gap: 8px;
  padding: 16px 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .13), rgba(255, 255, 255, .035) 44%, rgba(8, 10, 14, .54)),
    rgba(9, 11, 15, .7);
  box-shadow:
    0 14px 34px rgba(0, 0, 0, .26),
    inset 0 1px 0 rgba(255, 255, 255, .18);
  color: #fff;
  font: inherit;
  text-align: center;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
  -webkit-tap-highlight-color: transparent;
  backdrop-filter: blur(14px);
}

.experience-mode-option::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 1px;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(255, 255, 255, .08), transparent 42%);
  pointer-events: none;
}

.experience-mode-option strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(21px, 4vmin, 30px);
  font-weight: 400;
  letter-spacing: .055em;
}

.experience-mode-option span {
  color: rgba(255, 255, 255, .66);
  font-size: clamp(11px, 1.95vmin, 14px);
  letter-spacing: .08em;
}

.experience-mode-option:focus-visible {
  outline: 2px solid rgba(255, 255, 255, .9);
  outline-offset: 4px;
}

@media (hover: hover) {
  .experience-mode-option:hover {
    border-color: rgba(255, 255, 255, .54);
    background:
      linear-gradient(135deg, rgba(255, 255, 255, .2), rgba(255, 255, 255, .06) 44%, rgba(8, 10, 14, .5)),
      rgba(9, 11, 15, .76);
    box-shadow:
      0 20px 42px rgba(0, 0, 0, .34),
      inset 0 1px 0 rgba(255, 255, 255, .22);
    transform: translateY(-2px);
  }
}

.experience-mode-option.is-selected {
  border-color: rgba(255, 255, 255, .82);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .22), rgba(255, 255, 255, .08) 44%, rgba(8, 10, 14, .46)),
    rgba(20, 23, 29, .9);
  box-shadow:
    0 22px 48px rgba(0, 0, 0, .42),
    inset 0 1px 0 rgba(255, 255, 255, .28);
}

.experience-mode-option:disabled {
  opacity: 1;
  cursor: default;
}

#experience-mode-selection[data-load-ready="true"] .experience-mode-option:not(.is-selected) {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .025) 44%, rgba(8, 10, 14, .58)),
    rgba(9, 11, 15, .74);
}

#opening-black-box-scene {
  position: absolute;
  z-index: 2;
  top: 43%;
  left: 50%;
  width: clamp(66px, 16vmin, 118px);
  aspect-ratio: 1;
  transform: translate(-50%, -74%);
  perspective: 620px;
}

#opening-black-box {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  animation: opening-black-box-spin 4.8s linear infinite;
}

.opening-box-face {
  position: absolute;
  inset: 0;
  display: block;
  border: 1px solid rgba(255, 255, 255, .12);
  background: #0a0a0a;
  backface-visibility: hidden;
}

.opening-box-front { transform: translateZ(clamp(33px, 8vmin, 59px)); background: #080808; }
.opening-box-back { transform: rotateY(180deg) translateZ(clamp(33px, 8vmin, 59px)); background: #030303; }
.opening-box-right { transform: rotateY(90deg) translateZ(clamp(33px, 8vmin, 59px)); background: #161616; }
.opening-box-left { transform: rotateY(-90deg) translateZ(clamp(33px, 8vmin, 59px)); background: #050505; }
.opening-box-top { transform: rotateX(90deg) translateZ(clamp(33px, 8vmin, 59px)); background: #242424; }
.opening-box-bottom { transform: rotateX(-90deg) translateZ(clamp(33px, 8vmin, 59px)); background: #020202; }

#opening-loading {
  position: absolute;
  z-index: 3;
  top: auto;
  bottom: max(30px, calc(env(safe-area-inset-bottom) + 20px));
  left: 50%;
  color: rgba(255, 255, 255, .78);
  font: 500 clamp(10px, 1.8vmin, 13px)/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .24em;
  transform: translateX(-50%);
}

@keyframes opening-black-box-spin {
  from { transform: rotateX(-18deg) rotateY(0deg) rotateZ(5deg); }
  to { transform: rotateX(342deg) rotateY(360deg) rotateZ(365deg); }
}

body.is-booting:not(.is-opening-revealing) #scene {
  opacity: 0;
}

body.is-booting #site-title,
body.is-booting #menu-toggle,
body.is-booting .flight-stick,
body.is-booting .flight-speed-panel,
body.is-booting .flight-readout,
body.is-booting .experience-music {
  opacity: 0 !important;
  visibility: hidden !important;
}

@media (max-height: 620px) {
  #experience-mode-selection {
    padding-top: max(24px, calc(env(safe-area-inset-top) + 16px));
    padding-bottom: max(74px, calc(env(safe-area-inset-bottom) + 62px));
  }

  .experience-mode-heading h1 {
    font-size: clamp(30px, 9vmin, 48px);
  }

  .experience-mode-heading p {
    margin-top: 7px;
  }

  .experience-mode-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    transform: none;
  }

  .experience-mode-option {
    min-height: 82px;
    padding: 15px 12px;
  }

  #opening-black-box-scene {
    top: 42%;
    width: clamp(48px, 12vmin, 76px);
  }
}

body.is-opening-revealing #opening-curtain {
  opacity: 0;
  visibility: hidden;
}

body.is-opening-revealing #scene {
  opacity: 1;
}

/*
 * CHILL owns only the rendered world. Keeping this rule at the page boundary
 * prevents current or future main-story controls from leaking into the silent
 * drift experience without changing their normal-mode styles.
 */
body.experience-chill #stage > :not(#scene),
body.experience-chill #ending-whiteout,
body.experience-chill #ending-overlay,
body.experience-chill #book-overlay,
body.experience-chill #black-box-overlay,
body.experience-chill #music-selector-overlay,
body.experience-chill #devil-guide-overlay,
body.experience-chill #devil-guide-summon,
body.experience-chill #devil-guide-navigation {
  display: none !important;
}

body.is-monochrome #scene {
  filter: grayscale(1) contrast(1.78) brightness(1.42);
}

.experience-challenge-timer {
  position: fixed;
  z-index: 8;
  top: max(82px, calc(env(safe-area-inset-top) + 58px));
  left: 50%;
  display: none;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.88);
  background: rgba(0, 0, 0, 0.72);
  color: #fff;
  font: 700 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.14em;
  transform: translateX(-50%);
}

body.is-monochrome .experience-challenge-timer { display: block; }

.experience-theme-flash {
  position: fixed;
  z-index: 20;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: #fff;
  mix-blend-mode: screen;
}

.experience-theme-flash span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 64px;
  height: 64px;
  border: 2px solid #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0.12);
}

.experience-theme-flash.is-active { animation: experience-theme-flash 820ms cubic-bezier(.16,.74,.28,1) both; }
.experience-theme-flash.is-active span { animation: experience-theme-ring 820ms cubic-bezier(.16,.74,.28,1) both; }
.experience-theme-flash.is-success { background: #fff; }
.experience-theme-flash.is-failure { background: #080808; mix-blend-mode: multiply; }

@keyframes experience-theme-flash {
  0% { opacity: 0; }
  12% { opacity: .92; }
  100% { opacity: 0; }
}

@keyframes experience-theme-ring {
  0% { opacity: 1; transform: translate(-50%, -50%) scale(.12); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(32); }
}

#scene:active {
  cursor: grabbing;
}

.masthead {
  position: fixed;
  z-index: 3;
  top: max(24px, env(safe-area-inset-top));
  left: max(24px, env(safe-area-inset-left));
  right: max(24px, env(safe-area-inset-right));
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  pointer-events: none;
  text-shadow: 0 2px 22px rgba(0, 0, 0, 0.42);
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.24em;
}

h1 {
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(25px, 4vw, 54px);
  font-weight: 400;
  letter-spacing: 0.035em;
  line-height: 0.92;
}

.isolation-badge {
  padding: 7px 10px 6px;
  border: 1px solid rgba(244, 240, 223, 0.35);
  border-radius: 999px;
  background: rgba(15, 26, 27, 0.38);
  color: var(--ink);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  backdrop-filter: blur(8px);
}

a.isolation-badge {
  text-decoration: none;
  pointer-events: auto;
}

.perf-hud {
  position: fixed;
  z-index: 3;
  top: max(89px, calc(env(safe-area-inset-top) + 70px));
  right: max(24px, env(safe-area-inset-right));
  min-width: 176px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--glass);
  color: var(--muted);
  font: 10px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.025em;
  pointer-events: none;
  backdrop-filter: blur(8px);
}

.perf-hud strong {
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
}

.controls {
  position: fixed;
  z-index: 4;
  right: max(24px, env(safe-area-inset-right));
  bottom: max(24px, env(safe-area-inset-bottom));
  left: max(24px, env(safe-area-inset-left));
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  pointer-events: none;
}

.mode-switch,
.quality-switch,
.view-switch {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  background: var(--glass);
  pointer-events: auto;
  backdrop-filter: blur(8px);
}

.controls a {
  padding: 9px 13px 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-decoration: none;
  transition: color 140ms ease, background 140ms ease;
}

.controls button {
  border: 0;
  padding: 9px 13px 8px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  cursor: pointer;
}

.controls button:hover,
.controls button:focus-visible {
  color: var(--ink);
  outline: none;
}

.view-switch:not(.is-flight) button {
  display: none;
}

.controls a:hover,
.controls a:focus-visible {
  color: var(--ink);
  outline: none;
}

.controls a[aria-current="true"] {
  background: var(--ink);
  color: #1b2525;
}

.quality-switch.is-disabled {
  opacity: 0.35;
  pointer-events: none;
}

.help {
  position: fixed;
  z-index: 3;
  bottom: max(87px, calc(env(safe-area-inset-bottom) + 75px));
  left: 50%;
  margin: 0;
  color: rgba(244, 240, 223, 0.58);
  font-size: 10px;
  letter-spacing: 0.13em;
  pointer-events: none;
  transform: translateX(-50%);
  white-space: nowrap;
}

.flight-stick {
  position: fixed;
  z-index: 5;
  right: 12px;
  bottom: 14px;
  display: none;
  width: 140px;
  height: 140px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: none;
  pointer-events: auto;
  touch-action: none;
  backdrop-filter: blur(4px);
}

.flight-speed-panel,
.experience-music,
.experience-music button {
  touch-action: none;
}

body.flight-mode .flight-stick {
  display: block;
}

.flight-stick span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(123, 228, 255, 0.92);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.flight-speed-panel {
  position: fixed;
  z-index: 5;
  top: 78px;
  right: 18px;
  display: none;
  width: 96px;
  padding: 10px 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: rgba(9, 16, 28, 0.14);
  color: var(--ink);
  text-align: center;
  backdrop-filter: blur(2px);
}

body.flight-mode .flight-speed-panel {
  display: flex;
  align-items: center;
  flex-direction: column;
}

.flight-speed-panel > span {
  display: block;
  font-size: 8px;
  letter-spacing: 0.22em;
  color: rgba(236, 247, 255, 0.62);
}

.flight-speed-panel output {
  width: 100%;
  margin: 8px 0;
  color: #f6fbff;
  font: 24px/1 "Avenir Next Condensed", "Arial Narrow", sans-serif;
  letter-spacing: 0.06em;
}

.flight-speed-panel .flight-speed-limit {
  color: rgba(226, 241, 255, 0.56);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.flight-speed-rail {
  position: relative;
  width: 28px;
  height: 168px;
  margin: 8px auto;
  flex: 0 0 auto;
}

.flight-speed-rail::before {
  content: "";
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 50%;
  width: 6px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(160, 238, 255, 0.96), rgba(123, 190, 255, 0.24));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  transform: translateX(-50%);
}

#flight-speed-fill {
  position: absolute;
  bottom: 12px;
  left: 50%;
  width: 6px;
  height: calc(var(--speed-ratio, 0.259) * 144px);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(230, 250, 255, 1), rgba(117, 212, 255, 0.92));
  box-shadow: 0 0 10px rgba(127, 220, 255, 0.24);
  transform: translateX(-50%);
}

#flight-speed-thumb {
  position: absolute;
  top: calc(12px + (1 - var(--speed-ratio, 0.259)) * 144px);
  left: 50%;
  width: 24px;
  height: 24px;
  border: 1px solid rgba(58, 94, 142, 0.3);
  border-radius: 50%;
  background: linear-gradient(180deg, #fff, #dff4ff);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.82);
  transform: translate(-50%, -50%);
}

.flight-speed-panel input {
  position: absolute;
  z-index: 2;
  inset: 69px 0 18px;
  width: 100%;
  height: auto;
  margin: 0;
  direction: rtl;
  opacity: 0;
  cursor: pointer;
  writing-mode: vertical-lr;
  touch-action: none;
}

.flight-readout {
  position: fixed;
  z-index: 3;
  bottom: max(89px, calc(env(safe-area-inset-bottom) + 77px));
  left: max(24px, env(safe-area-inset-left));
  display: none;
  color: var(--ink);
  font: 10px/1.6 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.08em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}

.flight-readout.is-visible {
  display: block;
}

.experience-music {
  position: fixed;
  z-index: 5;
  top: 76px;
  left: 18px;
  display: none;
  width: 136px;
  color: var(--ink);
}

body.flight-mode .experience-music {
  display: block;
}

.experience-music-art {
  appearance: none;
  position: relative;
  display: block;
  width: 132px;
  height: 132px;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 50%;
  background: #0a0f16;
  color: #eff8ff;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  -webkit-appearance: none;
}

.experience-music-art:disabled {
  cursor: default;
}

.experience-music-art:focus-visible {
  outline: 2px solid rgba(224, 246, 255, 0.92);
  outline-offset: 4px;
}

.experience-music-art::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(9, 14, 22, 0.92);
  box-shadow: 0 0 0 5px rgba(242, 248, 255, 0.18);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.experience-music-service-mark {
  position: absolute;
  z-index: 2;
  right: 8px;
  bottom: 8px;
  display: grid;
  width: 24px;
  height: 24px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 50%;
  background: rgba(5, 10, 16, 0.78);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.24);
  font: 600 13px/1 "Futura", "Century Gothic", sans-serif;
  place-items: center;
  pointer-events: none;
}

.experience-music-service-mark[hidden] {
  display: none;
}

.experience-music img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  filter: saturate(1.04) contrast(1.01);
}

.experience-music.is-playing img {
  animation: experience-record-spin 18s linear infinite;
}

.experience-music-copy {
  width: 136px;
}

.experience-music-copy strong {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.experience-music-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-areas: "toggle next" "lyrics lyrics";
  gap: 6px;
  width: 136px;
  margin-top: 12px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(8, 14, 22, 0.34), rgba(8, 14, 22, 0.18));
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
}

.experience-music-actions button,
.experience-lyrics button,
.experience-modal button,
.experience-modal input,
.experience-modal textarea {
  border: 1px solid rgba(244, 240, 223, 0.28);
  border-radius: 0;
  background: rgba(244, 240, 223, 0.07);
  color: var(--ink);
  font: inherit;
}

.experience-music-actions button {
  display: grid;
  width: 100%;
  height: 30px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(18, 28, 42, 0.92), rgba(9, 15, 23, 0.78));
  color: #eff8ff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 5px 12px rgba(0, 0, 0, 0.16);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-indent: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
}

#experience-play { grid-area: toggle; }
#experience-next { grid-area: next; }
#experience-lyrics-toggle {
  grid-area: lyrics;
  height: 28px;
}

#experience-lyrics-toggle.is-active {
  border-color: rgba(192, 234, 255, 0.42);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 5px 12px rgba(0, 0, 0, 0.16), 0 0 0 1px rgba(114, 202, 255, 0.12);
}

.experience-toggle-icon {
  position: relative;
  width: 14px;
  height: 15px;
  margin-left: 2px;
}

.experience-toggle-icon::before,
.experience-toggle-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
}

.experience-toggle-icon::before {
  inset: 0;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.experience-toggle-icon::after {
  display: none;
}

#experience-play.is-playing .experience-toggle-icon {
  width: 13px;
  height: 13px;
  margin-left: 0;
}

#experience-play.is-playing .experience-toggle-icon::before,
#experience-play.is-playing .experience-toggle-icon::after {
  display: block;
  top: 0;
  width: 4px;
  height: 12px;
  border-radius: 1px;
  clip-path: none;
}

#experience-play.is-playing .experience-toggle-icon::before { left: 0; }
#experience-play.is-playing .experience-toggle-icon::after { right: 0; }

.experience-next-icon {
  position: relative;
  width: 19px;
  height: 15px;
}

.experience-next-icon::before,
.experience-next-icon::after {
  content: "";
  position: absolute;
  top: 0;
  width: 7px;
  height: 15px;
  background: currentColor;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.experience-next-icon::before { left: 0; }
.experience-next-icon::after { left: 5px; }
.experience-next-icon span {
  position: absolute;
  top: 1px;
  right: 0;
  width: 2px;
  height: 13px;
  border-radius: 999px;
  background: currentColor;
}

.experience-lyrics {
  position: fixed;
  z-index: 5;
  top: 304px;
  left: 18px;
  width: 286px;
  max-height: min(74vh, 640px);
  padding: 0;
  overflow: hidden;
  color: var(--ink);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 180ms ease, visibility 180ms ease;
}

.experience-lyrics.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.experience-lyrics button {
  display: none;
}

.experience-lyrics pre {
  max-height: min(74vh, 640px);
  margin: 0;
  overflow: auto;
  color: rgba(244, 248, 255, 0.72);
  font: 13.5px/1.5 "Hiragino Mincho ProN", "Yu Mincho", serif;
  letter-spacing: 0.016em;
  text-align: left;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.26);
  white-space: pre-line;
  user-select: text;
  -webkit-user-select: text;
  scrollbar-width: none;
}

@keyframes experience-record-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.experience-toast {
  position: fixed;
  z-index: 7;
  bottom: max(96px, calc(env(safe-area-inset-bottom) + 82px));
  left: 50%;
  width: min(520px, calc(100vw - 40px));
  padding: 12px 18px;
  background: rgba(5, 9, 10, 0.84);
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 260ms ease, transform 260ms ease;
}

.experience-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.return-whiteout {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 28px;
  background: #fff;
  color: #111;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 900ms ease, visibility 0s linear 900ms;
}

.return-whiteout p,
.return-whiteout button {
  opacity: 0;
  transform: translate3d(0, 8px, 0);
  transition: opacity 700ms ease 1100ms, transform 700ms ease 1100ms;
}

.return-whiteout p {
  margin: 0;
  font: 400 clamp(15px, 1.8vw, 20px)/1.6 "Hiragino Mincho ProN", "Yu Mincho", serif;
  letter-spacing: 0.28em;
  text-indent: 0.28em;
}

.return-whiteout button {
  padding: 9px 18px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 999px;
  background: transparent;
  color: #111;
  font: 500 12px/1 "Futura", "Century Gothic", sans-serif;
  letter-spacing: 0.16em;
  cursor: pointer;
}

.return-whiteout.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.return-whiteout.is-active p,
.return-whiteout.is-active button {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.experience-overlay {
  position: fixed;
  z-index: 20;
  inset: 0;
  display: grid;
  padding: max(18px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right))
    max(18px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 240ms ease, visibility 240ms ease;
}

.experience-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.experience-overlay-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(7px);
}

.experience-modal {
  position: relative;
  width: min(680px, 100%);
  max-height: min(760px, 92vh);
  overflow: hidden;
  border: 1px solid rgba(244, 240, 223, 0.34);
  background: #111718;
  color: var(--ink);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.5);
}

.experience-modal header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 18px;
  border-bottom: 1px solid var(--line);
}

.experience-modal h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(18px, 3vw, 28px);
  font-weight: 400;
}

.experience-modal header button {
  padding: 7px 10px;
}

.experience-modal-body {
  max-height: calc(min(760px, 92vh) - 66px);
  padding: 20px;
  overflow: auto;
  user-select: text;
  -webkit-user-select: text;
}

.experience-modal-body > button {
  display: block;
  margin: 24px auto;
  padding: 12px 22px;
  cursor: pointer;
}

.experience-overlay.is-music-service .experience-modal {
  width: min(620px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 28px;
  background:
    radial-gradient(circle at 12% 10%, rgba(93, 184, 255, 0.14), transparent 35%),
    linear-gradient(145deg, rgba(24, 30, 36, 0.98), rgba(8, 11, 15, 0.98));
  box-shadow:
    0 32px 110px rgba(0, 0, 0, 0.68),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.experience-overlay.is-music-service .experience-modal header {
  padding: 22px 24px 8px;
  border-bottom: 0;
}

.experience-overlay.is-music-service .experience-modal h2 {
  color: rgba(237, 246, 252, 0.7);
  font-family: "Futura", "Century Gothic", sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.experience-overlay.is-music-service .experience-modal header button {
  min-width: 42px;
  min-height: 42px;
  padding: 8px 12px;
  border-color: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.experience-overlay.is-music-service .experience-modal-body {
  padding: 14px 24px 26px;
}

.music-service-release {
  display: grid;
  grid-template-columns: minmax(0, 210px) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.music-service-artwork-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  border-radius: 18px;
  background: #07090c;
  box-shadow:
    0 22px 52px rgba(0, 0, 0, 0.48),
    0 0 0 1px rgba(255, 255, 255, 0.14);
}

.music-service-artwork-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.music-service-artwork {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.music-service-release-copy {
  min-width: 0;
}

.music-service-kicker {
  margin-bottom: 9px;
  color: #7be4ff;
  font: 600 10px/1.2 "Futura", "Century Gothic", sans-serif;
  letter-spacing: 0.2em;
}

.music-service-track-title {
  overflow-wrap: anywhere;
  color: #f7fbff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.08;
}

.music-service-artist {
  margin-top: 9px;
  color: rgba(237, 246, 252, 0.72);
  font: 500 13px/1.3 "Futura", "Century Gothic", sans-serif;
  letter-spacing: 0.15em;
}

.music-service-prompt {
  margin: 22px 0 12px;
  color: rgba(237, 246, 252, 0.58);
  font-size: 12px;
}

.music-service-actions {
  display: grid;
  gap: 9px;
}

.experience-modal .music-service-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-height: 52px;
  padding: 13px 16px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 999px;
  background: rgba(239, 246, 250, 0.94);
  color: #0c1218;
  box-shadow:
    0 8px 22px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.86);
  cursor: pointer;
  transition: transform 150ms ease, filter 150ms ease, box-shadow 150ms ease;
}

.music-service-button.is-appleMusic,
.music-service-button.is-spotify {
  background: rgba(239, 246, 250, 0.94);
  color: #0c1218;
}

.music-service-button-name {
  font-size: 14px;
  font-weight: 700;
}

.music-service-button-action {
  font-size: 11px;
  font-weight: 600;
  opacity: 0.64;
}

.music-service-button:hover,
.music-service-button:focus-visible {
  filter: brightness(1.06);
  outline: 2px solid rgba(255, 255, 255, 0.9);
  outline-offset: 3px;
  transform: translateY(-1px);
  box-shadow:
    0 12px 28px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 #fff;
}

.music-service-button:active {
  transform: translateY(1px);
}

@media (max-width: 560px) {
  .experience-overlay.is-music-service .experience-modal {
    border-radius: 24px;
  }

  .experience-overlay.is-music-service .experience-modal header {
    padding: 17px 18px 4px;
  }

  .experience-overlay.is-music-service .experience-modal-body {
    padding: 10px 18px 20px;
  }

  .music-service-release {
    grid-template-columns: minmax(0, 142px) minmax(0, 1fr);
    gap: 18px;
  }

  .music-service-artwork-frame {
    border-radius: 15px;
  }

  .music-service-kicker {
    margin-bottom: 6px;
    font-size: 8px;
  }

  .music-service-track-title {
    font-size: clamp(20px, 6vw, 28px);
  }

  .music-service-artist {
    margin-top: 6px;
    font-size: 10px;
  }

  .music-service-prompt {
    margin: 15px 0 9px;
    font-size: 10px;
  }

  .music-service-button {
    min-height: 48px;
    padding: 11px 13px;
  }

  .music-service-button-name {
    font-size: 12px;
  }

  .music-service-button-action {
    font-size: 9px;
  }
}

@media (max-width: 390px) {
  .music-service-release {
    grid-template-columns: 1fr;
    gap: 17px;
  }

  .music-service-artwork-frame {
    width: min(58vw, 190px);
    margin: 0 auto;
  }

  .music-service-release-copy {
    text-align: center;
  }

  .music-service-track-title {
    font-size: 24px;
  }
}

.experience-modal-copy {
  margin: 10px 0 18px;
  color: var(--muted);
  line-height: 1.8;
  text-align: center;
}

.experience-track-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.experience-track-choice {
  padding: 11px 12px;
  cursor: pointer;
  text-align: left;
}

.experience-track-choice.is-current {
  border-color: #7be4ff;
  background: rgba(123, 228, 255, 0.16);
}

.experience-cat-image {
  display: block;
  width: min(460px, 100%);
  max-height: 58vh;
  margin: 0 auto;
  object-fit: contain;
}

.experience-book-status {
  margin: 0 0 13px;
  color: var(--muted);
  font-size: 11px;
}

.experience-book-status.is-stopped {
  color: #ff9374;
}

.experience-book-entries {
  display: grid;
  max-height: 300px;
  gap: 8px;
  overflow: auto;
}

.experience-book-entry {
  padding: 12px;
  border: 1px solid rgba(244, 240, 223, 0.16);
  background: rgba(244, 240, 223, 0.035);
}

.experience-book-entry p {
  margin: 7px 0 0;
  line-height: 1.7;
  white-space: pre-wrap;
}

.experience-book-meta {
  color: var(--muted);
  font-size: 9px;
}

.experience-book-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: 16px;
}

.experience-book-form input,
.experience-book-form textarea {
  width: 100%;
  padding: 10px;
  user-select: text;
  -webkit-user-select: text;
}

.experience-book-form textarea {
  grid-column: 1 / -1;
  resize: vertical;
}

.experience-book-form button {
  grid-column: 2;
  padding: 9px 18px;
}

body.flight-mode .masthead,
body.flight-mode .perf-hud,
body.flight-mode .controls,
body.flight-mode .help {
  display: none;
}

.loading {
  position: fixed;
  z-index: 6;
  inset: 0;
  display: grid;
  place-items: center;
  background: #182f34;
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.28em;
  transition: opacity 600ms ease, visibility 600ms ease;
}

.loading.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.loading[hidden] {
  display: none;
}

@media (max-width: 680px) {
  .masthead {
    top: max(18px, env(safe-area-inset-top));
    left: max(16px, env(safe-area-inset-left));
    right: max(16px, env(safe-area-inset-right));
  }

  .isolation-badge {
    font-size: 8px;
  }

  .perf-hud {
    top: max(78px, calc(env(safe-area-inset-top) + 62px));
    right: max(16px, env(safe-area-inset-right));
    min-width: 150px;
    padding: 9px 11px;
    font-size: 8px;
  }

  .controls {
    right: max(12px, env(safe-area-inset-right));
    bottom: max(12px, env(safe-area-inset-bottom));
    left: max(12px, env(safe-area-inset-left));
    align-items: stretch;
    flex-direction: column;
    gap: 6px;
  }

  .flight-speed-panel {
    top: max(64px, calc(env(safe-area-inset-top) + 48px));
    right: max(10px, env(safe-area-inset-right));
    width: 88px;
    padding: 10px 7px;
    border-radius: 16px;
  }

  .flight-speed-panel output {
    font-size: 21px;
  }

  .flight-speed-rail {
    height: 144px;
  }

  .flight-speed-rail::before {
    top: 12px;
    bottom: 12px;
  }

  #flight-speed-fill {
    height: calc(var(--speed-ratio, 0.259) * 120px);
  }

  #flight-speed-thumb {
    top: calc(12px + (1 - var(--speed-ratio, 0.259)) * 120px);
  }

  .experience-music {
    top: max(62px, calc(env(safe-area-inset-top) + 46px));
    left: max(10px, env(safe-area-inset-left));
    width: 108px;
  }

  .experience-music-art {
    width: 102px;
    height: 102px;
  }

  .experience-music-art::after {
    width: 14px;
    height: 14px;
    box-shadow: 0 0 0 4px rgba(242, 248, 255, 0.18);
  }

  .experience-music-actions {
    width: 108px;
    gap: 4px;
    margin-top: 10px;
    padding: 5px;
    border-radius: 18px;
  }

  .experience-music-actions button {
    height: 30px;
    font-size: 8px;
    letter-spacing: 0.12em;
    text-indent: 0.12em;
  }

  .experience-music-service-mark {
    right: 6px;
    bottom: 6px;
    width: 21px;
    height: 21px;
    font-size: 11px;
  }

  #experience-lyrics-toggle {
    height: 24px;
  }

  .experience-toggle-icon {
    width: 11px;
    height: 12px;
  }

  #experience-play.is-playing .experience-toggle-icon {
    width: 11px;
    height: 11px;
  }

  .experience-next-icon {
    width: 16px;
    height: 12px;
  }

  .experience-next-icon::before,
  .experience-next-icon::after {
    width: 6px;
    height: 12px;
  }

  .experience-next-icon::after {
    left: 4px;
  }

  .experience-next-icon span {
    height: 10px;
  }

  .experience-lyrics {
    top: 244px;
    left: max(10px, env(safe-area-inset-left));
    width: 214px;
    max-height: min(62vh, 520px);
  }

  .experience-lyrics pre {
    max-height: min(62vh, 520px);
    font-size: 11.2px;
    line-height: 1.42;
  }

  .experience-toast {
    bottom: max(165px, calc(env(safe-area-inset-bottom) + 151px));
    font-size: 10px;
  }

  .experience-track-list {
    grid-template-columns: 1fr;
  }

  .experience-modal-body {
    padding: 15px;
  }

  .mode-switch,
  .quality-switch,
  .view-switch {
    justify-content: stretch;
  }

  .controls a {
    flex: 1;
    padding: 8px 9px;
    text-align: center;
  }

  .controls button {
    flex: 0.7;
    padding: 8px 9px;
  }

  .flight-readout {
    bottom: max(8px, env(safe-area-inset-bottom));
    left: max(10px, env(safe-area-inset-left));
  }

  .help {
    display: none;
  }
}

/* The production ending now cuts quietly from white to black; no gradient pass. */
#ending-rise {
  display: none !important;
}

#ending-close {
  display: none !important;
}

#ending-overlay.is-transitioning,
#ending-overlay.is-open {
  background: #000;
}

body.devil-guide-navigating .flight-speed-panel,
body.devil-guide-navigating .flight-stick {
  pointer-events: none;
  opacity: 0.42;
}

/* Local-only skateboard integration controls. */
.real-skate-button {
  min-width: 90px;
  min-height: 44px;
  border: 1px solid rgba(239, 247, 248, 0.62);
  border-radius: 999px;
  color: #f7fbfc;
  background: rgba(7, 18, 23, 0.72);
  font: 700 12px/1 system-ui, sans-serif;
  letter-spacing: 0.08em;
  touch-action: none;
}

.real-skate-stance-button {
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 0;
  border: 1px solid rgba(239, 247, 248, 0.62);
  border-radius: 50%;
  color: #f7fbfc;
  background: rgba(7, 18, 23, 0.72);
  font: 800 11px/1 system-ui, sans-serif;
  letter-spacing: 0.02em;
  touch-action: manipulation;
}

#real-skate-toggle {
  position: fixed;
  z-index: 7;
  top: 376px;
  right: max(20px, env(safe-area-inset-right));
}

#real-skate-controls {
  display: none;
}

body.skate-mode #real-skate-toggle { display: none; }
body.skate-mode #real-skate-controls { display: block; }
body.skate-mode #real-skate-fly {
  position: fixed;
  z-index: 7;
  top: 376px;
  right: max(20px, env(safe-area-inset-right));
}
body.skate-mode #real-skate-jump {
  position: fixed;
  z-index: 7;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(22px, env(safe-area-inset-bottom));
}
body.skate-mode #real-skate-stance {
  position: fixed;
  z-index: 7;
  right: calc(max(18px, env(safe-area-inset-right)) + 98px);
  bottom: max(22px, env(safe-area-inset-bottom));
}
body.skate-mode #real-skate-stance[aria-pressed="true"] {
  border-color: rgba(131, 224, 255, 0.92);
  background: rgba(24, 83, 111, 0.86);
}
body.skate-mode #real-skate-stance:disabled {
  opacity: 0.42;
}
body.skate-mode .flight-stick {
  right: max(18px, env(safe-area-inset-right));
  bottom: max(92px, calc(env(safe-area-inset-bottom) + 72px));
  width: 142px;
  height: 52px;
  border-radius: 999px;
}

body.skate-mode .flight-stick span { width: 42px; height: 42px; }

@media (max-width: 700px) {
  #real-skate-toggle,
  body.skate-mode #real-skate-fly {
    /* Keep the switch beneath the speed control on tall phones, but never
       place it outside a short landscape viewport. */
    top: min(
      max(334px, calc(env(safe-area-inset-top) + 320px)),
      calc(100dvh - env(safe-area-inset-bottom) - 54px)
    );
    right: max(10px, env(safe-area-inset-right));
  }

  /* Keep 180 reachable beside JUMP on every phone.  The plain-pixel values
     are a fallback for browsers that do not resolve env()/max() inside a
     fixed-position calculation. */
  body.skate-mode #real-skate-jump {
    right: 14px;
    bottom: 14px;
  }

  body.skate-mode #real-skate-stance {
    display: grid;
    place-items: center;
    right: 130px;
    bottom: 14px;
    z-index: 8;
    pointer-events: auto;
  }

  @supports (right: env(safe-area-inset-right)) {
    body.skate-mode #real-skate-jump {
      right: max(14px, env(safe-area-inset-right));
      bottom: max(14px, env(safe-area-inset-bottom));
    }

    body.skate-mode #real-skate-stance {
      right: calc(env(safe-area-inset-right) + 120px);
      bottom: max(14px, env(safe-area-inset-bottom));
    }
  }
}

/* Keep the summon button clear of the flight ALT readout on every viewport. */
body.flight-mode #devil-guide-summon {
  left: max(18px, env(safe-area-inset-left));
  bottom: max(150px, calc(env(safe-area-inset-bottom) + 140px));
}

@media (max-width: 700px) {
  body.flight-mode #devil-guide-summon {
    left: max(10px, env(safe-area-inset-left));
    bottom: max(56px, calc(env(safe-area-inset-bottom) + 46px));
  }
}