:root {
  color-scheme: dark;
  --ink: #e5f5f1;
  --muted: rgba(207, 230, 225, 0.58);
  --hairline: rgba(184, 232, 222, 0.16);
  --coral: #dc806c;
  --signal: #bfffee;
  --night: #020407;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--night);
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  user-select: none;
}

canvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
  touch-action: none;
  cursor: grab;
}

body[data-camera-dragging="true"] canvas {
  cursor: grabbing;
}

body[data-view="map"] canvas {
  cursor: crosshair;
  pointer-events: none;
}

.poem-surface {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 0;
  width: 2048px;
  height: 1260px;
  overflow: hidden;
  border: 3px solid #263440;
  background:
    linear-gradient(rgba(93, 121, 126, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(93, 121, 126, 0.035) 1px, transparent 1px),
    #080c13;
  background-size: 126px 126px, 126px 126px, auto;
  color: #718184;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  transform-origin: 0 0;
  transition: opacity 260ms ease, visibility 260ms ease;
}

.poem-surface::before {
  content: "";
  position: absolute;
  inset: 42px;
  border: 2px solid rgba(108, 142, 148, 0.35);
  pointer-events: none;
}

body[data-view="map"] .poem-surface {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  user-select: text;
  -webkit-user-select: text;
  touch-action: auto;
  cursor: text;
}

.poem-surface,
.poem-surface * {
  -webkit-font-smoothing: antialiased;
}

body[data-view="map"] .poem-surface,
body[data-view="map"] .poem-surface * {
  user-select: text;
  -webkit-user-select: text;
}

.poem-meta,
.poem-footer {
  position: absolute;
  margin: 0;
  font: 600 21px/1 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #758b8f;
}

.poem-meta {
  top: 87px;
  left: 86px;
  right: 86px;
  display: flex;
  justify-content: space-between;
}

.poem-title {
  position: absolute;
  top: 178px;
  left: 180px;
  margin: 0;
  font: 500 76px/1 Georgia, "Times New Roman", serif;
  letter-spacing: -0.045em;
  color: #c5d8d4;
}

.poem-stanza {
  position: absolute;
  width: max-content;
  max-width: 880px;
  margin: 0;
  font: 400 42px/58px Georgia, "Times New Roman", serif;
  letter-spacing: -0.018em;
}

.poem-line {
  display: inline;
}

.poem-token {
  --light: 0;
  --reveal: clamp(0, calc((var(--light) - 0.12) * 1.35), 1);
  display: inline;
  white-space: pre;
  color: rgb(227 250 247 / var(--reveal));
  text-shadow: 0 0 calc(26px * var(--reveal)) rgb(191 255 238 / calc(0.52 * var(--reveal)));
  transition: color 90ms linear, text-shadow 90ms linear;
}

.poem-stanza::before {
  content: attr(data-number);
  position: absolute;
  top: 11px;
  right: calc(100% + 28px);
  color: #506369;
  font: 600 17px/1 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing: 0.16em;
}

.poem-footer {
  right: 86px;
  bottom: 79px;
  left: 86px;
  display: flex;
  justify-content: space-between;
}

.poem-surface *::selection {
  background: #bfffee;
  color: #06100e;
  text-shadow: none;
}

.chrome {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.identity {
  position: absolute;
  top: max(24px, env(safe-area-inset-top));
  left: max(24px, env(safe-area-inset-left));
}

body[data-view="map"] .identity {
  opacity: 0.54;
}

.kicker,
.hint,
.status {
  font: 600 10px/1.2 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.kicker {
  margin: 0 0 7px;
  color: var(--muted);
}

h1 {
  margin: 0;
  font: 500 clamp(27px, 4vw, 50px)/0.92 Georgia, "Times New Roman", serif;
  letter-spacing: -0.045em;
}

.status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 13px 0 0;
  color: var(--muted);
  letter-spacing: 0.11em;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 99px;
  background: var(--coral);
  box-shadow: 0 0 14px rgba(220, 128, 108, 0.8);
}

.hint {
  position: absolute;
  right: max(24px, env(safe-area-inset-right));
  top: max(27px, env(safe-area-inset-top));
  display: flex;
  gap: 18px;
  margin: 0;
  color: var(--muted);
}

.hint span + span::before {
  content: "·";
  margin-right: 18px;
  color: rgba(245, 238, 230, 0.25);
}

.reading-note {
  position: absolute;
  top: max(84px, calc(env(safe-area-inset-top) + 84px));
  right: max(24px, env(safe-area-inset-right));
  margin: 0;
  color: rgba(191, 255, 238, 0.68);
  font: 600 10px/1 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 180ms ease, transform 180ms ease;
}

body[data-view="map"] .reading-note {
  opacity: 1;
  transform: translateY(0);
}

.view-toggle {
  position: absolute;
  left: max(24px, env(safe-area-inset-left));
  bottom: max(24px, env(safe-area-inset-bottom));
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 126px;
  padding: 11px 14px 10px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: rgba(3, 9, 13, 0.64);
  color: var(--muted);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  pointer-events: auto;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.view-toggle span,
.view-toggle strong {
  font: 600 10px/1 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.view-toggle strong {
  color: var(--signal);
}

.view-toggle:hover,
.view-toggle:focus-visible,
.view-toggle[aria-pressed="true"] {
  border-color: rgba(191, 255, 238, 0.48);
  background: rgba(23, 67, 63, 0.38);
  outline: none;
}

.touch-controls {
  position: absolute;
  right: max(24px, env(safe-area-inset-right));
  bottom: max(24px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: repeat(3, 46px);
  grid-template-rows: repeat(2, 46px);
  gap: 6px;
  pointer-events: auto;
}

.move {
  appearance: none;
  display: grid;
  place-items: center;
  border: 1px solid var(--hairline);
  border-radius: 50%;
  background: rgba(19, 14, 28, 0.52);
  color: rgba(245, 238, 230, 0.76);
  font: 500 17px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, transform 120ms ease;
  touch-action: none;
}

.move:hover,
.move:focus-visible {
  border-color: rgba(245, 238, 230, 0.42);
  outline: none;
}

.move.is-held,
.move:active {
  background: rgba(220, 128, 108, 0.3);
  border-color: rgba(245, 179, 158, 0.7);
  transform: scale(0.93);
}

.forward { grid-column: 2; grid-row: 1; }
.jump { grid-column: 3; grid-row: 1; color: #f0b59f; }
.left { grid-column: 1; grid-row: 2; }
.run { grid-column: 2; grid-row: 2; color: #f0b59f; }
.right { grid-column: 3; grid-row: 2; }
.backward { grid-column: 2; grid-row: 3; }

.touch-controls {
  grid-template-rows: repeat(3, 46px);
}

.loading {
  position: fixed;
  inset: 0;
  z-index: 4;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 18px;
  background: var(--night);
  transition: opacity 600ms ease, visibility 600ms ease;
}

body[data-ready="true"] .loading {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading p {
  margin: 0;
  color: var(--muted);
  font: 600 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.loading-orbit {
  position: relative;
  width: 64px;
  height: 64px;
  border: 1px solid rgba(245, 238, 230, 0.2);
  border-radius: 50%;
  animation: orbit 1.8s linear infinite;
}

.loading-orbit i {
  position: absolute;
  top: -4px;
  left: 27px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 16px rgba(220, 128, 108, 0.75);
}

noscript {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  background: var(--night);
  color: var(--ink);
}

@keyframes orbit {
  to { transform: rotate(360deg); }
}

@media (hover: hover) and (pointer: fine) {
  .touch-controls {
    opacity: 0.38;
  }

  .touch-controls:hover {
    opacity: 1;
  }
}

@media (max-width: 680px) {
  .hint {
    top: auto;
    right: auto;
    left: max(24px, env(safe-area-inset-left));
    bottom: calc(max(28px, env(safe-area-inset-bottom)) + 50px);
    flex-direction: column;
    gap: 5px;
  }

  .hint span + span::before {
    display: none;
  }

  .hint span:nth-child(n + 2) {
    display: none;
  }

  .view-toggle {
    min-width: 112px;
  }

  .reading-note {
    top: max(108px, calc(env(safe-area-inset-top) + 108px));
    right: auto;
    left: max(24px, env(safe-area-inset-left));
  }
}

@media (prefers-reduced-motion: reduce) {
  .loading-orbit {
    animation-duration: 4s;
  }

  .move,
  .view-toggle,
  .poem-surface,
  .loading {
    transition-duration: 1ms;
  }
}