/* ArcFling V2 — one-rule presentation shell. Depends on tokens.css. */

*, *::before, *::after { box-sizing: border-box; }

html,
body {
  width: 100%;
  min-width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
}

/* Static Cloudflare 404 page. Kept here so the production CSP needs no inline CSS. */
.lost-page {
  min-height: 100svh;
  margin: 0;
  display: grid;
  place-items: center;
  color: var(--paper, #f4f7ff);
  background: var(--void, #070a18);
  text-align: center;
}

.lost-page main {
  width: min(30rem, calc(100% - 3rem));
}

.lost-page h1 {
  color: var(--cyan, #41ead4);
  font-family: var(--font-pixel, "Silkscreen", monospace);
  letter-spacing: .08em;
}

.lost-page p {
  color: var(--fog, #b8c1df);
  line-height: 1.6;
}

.lost-page a {
  display: inline-block;
  margin-top: 1rem;
  padding: .9rem 1.4rem;
  border: 2px solid var(--cyan, #41ead4);
  color: var(--void, #070a18);
  background: #79e3d7;
  font-weight: 800;
  text-decoration: none;
}

.lost-page a:focus-visible {
  outline: 3px solid var(--amber, #ffcc4d);
  outline-offset: 4px;
}

html { background: var(--color-void); }

body {
  color: var(--color-interface-white);
  background: var(--color-void);
  font: var(--type-body);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}

button,
input { font: inherit; }

button {
  margin: 0;
  padding: 0;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
  touch-action: manipulation;
}

button:disabled { cursor: default; opacity: .42; }

img {
  display: block;
  max-width: 100%;
  image-rendering: pixelated;
  -webkit-user-drag: none;
  user-select: none;
}

[hidden] { display: none !important; }

:focus-visible {
  position: relative;
  z-index: var(--z-focus);
  outline: 2px solid var(--color-interface-white);
  outline-offset: 3px;
}

button:focus-visible {
  outline: 0;
  filter: brightness(1.08);
  box-shadow:
    inset 0 0 0 3px var(--color-interface-white),
    inset 0 0 0 6px rgba(65, 234, 212, .45);
}

.sr-only,
.game-status,
.screen-status {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ---------- viewport shell ---------- */

.shell {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 105%, rgba(65, 234, 212, .16), transparent 38%),
    radial-gradient(circle at 50% 36%, #172143 0, #0a0e23 45%, #050711 100%);
}

.shell::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background-image:
    linear-gradient(rgba(87, 148, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(87, 148, 255, .035) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, transparent, #000 28%, #000 78%, transparent);
}

.shell__stage {
  position: fixed;
  top: 50%;
  left: 50%;
  width: var(--field-w);
  height: var(--field-h);
  flex: none;
  overflow: hidden;
  transform-origin: 50% 50%;
  background: var(--color-void);
  backface-visibility: hidden;
  contain: strict;
  image-rendering: crisp-edges;
  image-rendering: pixelated;
}

.app {
  position: relative;
  width: var(--field-w);
  height: var(--field-h);
  overflow: hidden;
  background: var(--color-void);
  isolation: isolate;
}

.desktop-note {
  position: fixed;
  top: 50%;
  display: none;
  width: 210px;
  color: rgba(244, 247, 255, .56);
  transform: translateY(-50%);
  font: 700 11px/1.8 var(--font-mono);
  letter-spacing: 1.5px;
}

.desktop-note--left { right: calc(50% + 255px); }
.desktop-note--right { left: calc(50% + 255px); text-align: right; }

.desktop-note__mark {
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  image-rendering: auto;
}

.desktop-note--right kbd {
  display: inline-flex;
  min-width: 88px;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  margin-bottom: 5px;
  color: var(--color-interface-white);
  background: rgba(13, 18, 40, .8);
  border: 2px solid var(--color-city-line);
  border-bottom-width: 4px;
  font: 700 10px/1 var(--font-pixel);
}

.desktop-note--right span { color: var(--color-signal-cyan); }

@media (min-width: 960px) {
  .shell__stage {
    border: 1px solid rgba(87, 148, 255, .3);
    box-shadow: 0 28px 90px rgba(0, 0, 0, .55), 0 0 44px rgba(65, 234, 212, .08);
  }

  .desktop-note { display: block; }
}

@media (orientation: landscape) and (max-height: 600px) {
  .desktop-note { display: none !important; }

  .shell {
    background:
      radial-gradient(circle at 50% 50%, rgba(65, 234, 212, .1), transparent 38%),
      var(--color-void);
  }

  .shell__stage {
    top: 50%;
    left: 50%;
    border: 1px solid rgba(87, 148, 255, .34);
    box-shadow: 0 12px 44px rgba(0, 0, 0, .58), 0 0 24px rgba(65, 234, 212, .08);
  }
}

/* ---------- reusable screen scenery ---------- */

.screen {
  position: absolute;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  width: var(--field-w);
  height: var(--field-h);
  flex-direction: column;
  overflow: hidden;
  padding: max(44px, calc(env(safe-area-inset-top) + 18px)) 20px max(24px, calc(env(safe-area-inset-bottom) + 14px));
  color: var(--color-interface-white);
  background: var(--color-void);
}

.screen__sky,
.screen__bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(circle at 50% 33%, rgba(87, 148, 255, .16), transparent 27%),
    linear-gradient(to bottom, #111938 0, #0b1028 48%, #070a18 100%);
}

.screen__sky::after,
.screen__bg::after {
  position: absolute;
  inset: 78px 0 auto;
  height: 330px;
  content: "";
  opacity: .65;
  background-image:
    radial-gradient(circle at 31px 28px, #5794ff 0 1px, transparent 1.5px),
    radial-gradient(circle at 118px 86px, #f4f7ff 0 1px, transparent 1.5px),
    radial-gradient(circle at 215px 35px, #41ead4 0 1px, transparent 1.5px),
    radial-gradient(circle at 310px 114px, #f4f7ff 0 1px, transparent 1.5px),
    radial-gradient(circle at 74px 179px, #5794ff 0 1px, transparent 1.5px),
    radial-gradient(circle at 348px 226px, #ffcc4d 0 1px, transparent 1.5px);
}

.screen__city {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: -2;
  height: 260px;
  opacity: .72;
  background:
    linear-gradient(to top, #050711 0, transparent 72%),
    url(../assets/city/1x/city_far.png) center bottom / 666px 260px repeat-x;
  image-rendering: pixelated;
}

.screen__city::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 82px;
  content: "";
  background: linear-gradient(to bottom, transparent, rgba(4, 6, 15, .94));
}

/* ---------- title ---------- */

.screen--title { padding: max(24px, env(safe-area-inset-top)) 22px max(24px, env(safe-area-inset-bottom)); }

.title-settings {
  position: absolute;
  top: max(22px, calc(env(safe-area-inset-top) + 10px));
  right: 18px;
}

.title-brand {
  position: relative;
  z-index: 2;
  margin-top: 54px;
  text-align: center;
}

.title-brand__eyebrow {
  margin: 0 0 10px;
  color: var(--color-signal-cyan);
  font: 700 10px/1 var(--font-mono);
  letter-spacing: 3.2px;
}

.title-brand__logo,
.logo {
  display: flex;
  flex-direction: column;
  margin: 0;
  color: var(--color-interface-white);
  font: 400 54px/.8 var(--font-pixel);
  letter-spacing: -3px;
  text-align: center;
  text-shadow:
    0 0 24px rgba(65, 234, 212, .38),
    4px 4px 0 var(--color-cyan-dim),
    -2px -2px 0 rgba(255, 204, 77, .82);
}

.title-brand__logo span:last-child { color: #dffdf8; }

.tagline {
  margin: 14px auto 0;
  color: var(--color-interface-white);
  font: 600 15px/1.45 var(--font-ui);
  text-align: center;
}

.title-scene,
.hero {
  position: relative;
  width: 346px;
  height: 286px;
  flex: none;
  margin: 20px auto 0;
}

.title-scene::after {
  position: absolute;
  right: 34px;
  bottom: 52px;
  width: 48px;
  height: 74px;
  content: "";
  background:
    repeating-linear-gradient(135deg, rgba(255, 92, 122, .24) 0 8px, transparent 8px 16px),
    var(--color-indigo-900);
  border: 3px solid var(--color-danger-coral);
  clip-path: var(--corner-notch-8);
  box-shadow: 0 0 14px rgba(255, 92, 122, .22);
}

.title-scene__arc {
  position: absolute;
  top: 47px;
  left: 95px;
  width: 170px;
  height: 116px;
  border-top: 3px dashed rgba(65, 234, 212, .72);
  border-radius: 50%;
  transform: rotate(-8deg);
}

.title-scene__ring {
  position: absolute;
  top: 61px;
  right: 37px;
  width: 80px;
  height: 80px;
  border: 4px solid var(--color-signal-cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(65, 234, 212, .09), var(--glow-signal);
}

.title-scene__ring::before,
.title-scene__ring::after {
  position: absolute;
  content: "";
  background: var(--color-interface-white);
}

.title-scene__ring::before { top: 35px; left: -10px; width: 96px; height: 2px; opacity: .14; }
.title-scene__ring::after { top: -10px; left: 35px; width: 2px; height: 96px; opacity: .14; }

.title-scene__ring i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--color-perfect-amber);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 13px var(--color-perfect-amber);
}

.title-scene__spark {
  position: absolute;
  top: 84px;
  right: 60px;
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 0 10px rgba(255, 204, 77, .9));
  animation: spark-pulse 1.2s steps(2, end) infinite;
}

.title-scene__runner {
  position: absolute;
  bottom: 40px;
  left: 48px;
  width: 96px;
  height: 96px;
  filter: drop-shadow(0 0 15px rgba(65, 234, 212, .4));
}

.title-scene__roof {
  position: absolute;
  right: 0;
  bottom: 36px;
  left: 0;
  height: 16px;
  background: #090d1e;
  border-top: 3px solid var(--color-city-line);
  box-shadow: 0 18px 0 #060915;
}

.title-action {
  position: relative;
  z-index: 2;
  margin-top: auto;
}

.rule-line {
  max-width: 330px;
  margin: 0 auto 18px;
  color: var(--color-interface-white);
  font: 600 19px/1.35 var(--font-ui);
  text-align: center;
}

.title-best {
  margin: 0 auto 12px;
  color: rgba(244, 247, 255, .58);
  font: 700 10px/1 var(--font-mono);
  letter-spacing: 1.8px;
  text-align: center;
}

.title-best output {
  margin-left: 8px;
  color: var(--color-perfect-amber);
  font: 400 15px/1 var(--font-pixel);
}

.rule-line::before {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin: 0 9px 2px 0;
  content: "";
  background: var(--color-perfect-amber);
  box-shadow: 0 0 9px rgba(255, 204, 77, .8);
}

@keyframes spark-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.16); }
}

/* ---------- buttons ---------- */

.icon-button,
.iconbtn {
  display: inline-flex;
  width: 48px;
  height: 48px;
  flex: none;
  align-items: center;
  justify-content: center;
  color: var(--color-interface-white);
  background: rgba(13, 18, 40, .82);
  border: 2px solid var(--color-city-line);
  clip-path: var(--corner-notch-8);
}

.icon-button:hover,
.iconbtn:hover { border-color: var(--color-signal-cyan); }

.icon-button img,
.iconbtn img { width: 22px; height: 22px; image-rendering: auto; }

.button,
.btn {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 20px;
  white-space: nowrap;
  clip-path: var(--corner-notch-8);
  transition: transform var(--dur-1) var(--ease-pixel), filter var(--dur-1) linear;
}

.button:active,
.btn:active { transform: translateY(2px); }

.button--play,
.btn--hero {
  width: 100%;
  min-height: 68px;
  flex-direction: column;
  gap: 4px;
  color: var(--color-on-cyan);
  background: var(--color-signal-cyan);
  box-shadow: 0 0 26px rgba(65, 234, 212, .32);
}

.button--play span,
.btn--hero b { font: 700 23px/1 var(--font-pixel); letter-spacing: 1px; }

.button--play small,
.btn--hero span { font: 700 10px/1 var(--font-mono); letter-spacing: 1.2px; opacity: .72; }

.button--play:hover,
.button--primary:hover,
.btn--primary:hover { filter: brightness(1.1); }

.button--primary,
.btn--primary {
  width: 100%;
  color: var(--color-on-cyan);
  background: var(--color-signal-cyan);
  font: 700 16px/1 var(--font-pixel);
  box-shadow: 0 0 22px rgba(65, 234, 212, .22);
}

.button--secondary,
.btn--secondary {
  width: 100%;
  color: var(--color-interface-white);
  background: rgba(17, 23, 53, .7);
  border: 2px solid var(--color-electric-blue);
  font: 700 14px/1 var(--font-pixel);
}

.button--secondary img,
.btn--secondary img { width: 20px; height: 20px; image-rendering: auto; }

.button--text,
.btn--link,
.btn--quiet {
  min-height: 46px;
  color: rgba(244, 247, 255, .72);
  font: 700 12px/1 var(--font-mono);
  letter-spacing: 1px;
}

.button--text:hover,
.btn--link:hover,
.btn--quiet:hover { color: var(--color-interface-white); }

.button--text:focus-visible,
.btn--link:focus-visible,
.btn--quiet:focus-visible { background: rgba(17, 23, 53, .94); }

.button-stack,
.btn-col { display: flex; width: 100%; flex-direction: column; gap: 10px; }
.btn-row { display: flex; gap: 10px; }

/* ---------- game surface ---------- */

.screen--game { padding: 0; }

.field {
  position: absolute;
  inset: 0;
  width: var(--field-w);
  height: var(--field-h);
  overflow: hidden;
  background: var(--color-void);
  touch-action: none;
  user-select: none;
}

.game-canvas {
  position: absolute;
  inset: 0;
  z-index: var(--z-sky);
  display: block;
  width: var(--field-w);
  height: var(--field-h);
  background: var(--color-void);
  image-rendering: crisp-edges;
  image-rendering: pixelated;
  touch-action: none;
}

.game-canvas:focus-visible { outline: 0; }

/* A deliberate keyboard cue replaces the accidental-looking full-canvas
   focus border. Pointer focus does not trigger :focus-visible. */
.game-canvas:focus-visible + .game-hud::after {
  position: absolute;
  bottom: max(18px, calc(env(safe-area-inset-bottom) + 10px));
  left: 50%;
  padding: 7px 10px;
  content: "SPACE";
  color: var(--color-interface-white);
  background: rgba(13, 18, 40, .94);
  border: 2px solid var(--color-signal-cyan);
  clip-path: var(--corner-notch-8);
  transform: translateX(-50%);
  font: 700 9px/1 var(--font-pixel);
  letter-spacing: 1px;
}

.game-hud,
.hud {
  position: absolute;
  inset: 0;
  z-index: var(--z-hud);
  pointer-events: none;
}

.game-hud::before,
.hud__scrim {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 130px;
  content: "";
  background: linear-gradient(to bottom, rgba(7, 10, 24, .9), rgba(7, 10, 24, 0));
}

.game-hud__score {
  position: absolute;
  top: max(36px, calc(env(safe-area-inset-top) + 14px));
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: translateX(-50%);
  /* Canvas renders the pixel-perfect visible score; this duplicate remains
     in the DOM for assistive technology and live value updates. */
  opacity: 0;
}

.game-hud__score span {
  color: rgba(244, 247, 255, .56);
  font: 700 9px/1 var(--font-mono);
  letter-spacing: 2px;
}

.game-hud__score output {
  margin-top: 7px;
  font: 400 30px/1 var(--font-pixel);
  text-shadow: 0 0 15px rgba(65, 234, 212, .5), 2px 2px 0 var(--color-ink);
}

.pause-button,
.hud__pause {
  position: absolute;
  top: max(32px, calc(env(safe-area-inset-top) + 10px));
  right: 14px;
  z-index: var(--z-hud);
  display: flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  background: rgba(11, 15, 34, .88);
  border: 2px solid var(--color-city-line);
  clip-path: var(--corner-notch-8);
  pointer-events: auto;
}

.pause-button:hover,
.hud__pause:hover {
  background: rgba(17, 23, 53, .96);
  border-color: var(--color-signal-cyan);
}

.pause-button:focus-visible,
.hud__pause:focus-visible {
  border-color: var(--color-signal-cyan);
  box-shadow:
    inset 0 0 0 3px var(--color-interface-white),
    0 0 14px rgba(65, 234, 212, .38);
}

.pause-button i,
.hud__pause i { width: 4px; height: 16px; background: var(--color-interface-white); }
.pause-button i + i,
.hud__pause i + i { margin-left: 5px; }

.game-hint,
.callout {
  position: absolute;
  right: 20px;
  bottom: max(34px, calc(env(safe-area-inset-bottom) + 20px));
  left: 20px;
  z-index: var(--z-callout);
  margin: 0;
  padding: 12px 14px;
  color: rgba(244, 247, 255, .88);
  background: rgba(11, 15, 34, .88);
  border: 2px solid rgba(65, 234, 212, .7);
  clip-path: var(--corner-notch-8);
  font: 600 13px/1.25 var(--font-ui);
  text-align: center;
  pointer-events: none;
  transition:
    color var(--dur-1) linear,
    background var(--dur-1) linear,
    border-color var(--dur-1) linear,
    transform var(--dur-1) var(--ease-pixel);
}

.game-hint[data-ready="1"] {
  color: var(--color-on-cyan);
  background: var(--color-signal-cyan);
  border-color: var(--color-interface-white);
  box-shadow: 0 0 18px rgba(65, 234, 212, .34);
  transform: translateY(-2px);
  font-weight: 700;
  letter-spacing: .07em;
}

.callout__inner { display: flex; align-items: center; justify-content: center; gap: 10px; }
.callout h4,
.callout p { margin: 0; }

.field[data-hit="1"] .game-canvas { animation: game-hit 140ms steps(2, end); }

@keyframes game-hit {
  0%, 100% { transform: translateX(0); }
  35% { transform: translateX(-3px); }
  70% { transform: translateX(3px); }
}

/* ---------- overlays and settings ---------- */

.modal-layer,
.overlay {
  position: absolute;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(4, 6, 15, .82);
  backdrop-filter: blur(4px);
}

.overlay { flex-direction: column; gap: 14px; text-align: center; }
.overlay--solid { background: rgba(4, 6, 15, .92); }

.overlay h3 {
  margin: 0;
  color: var(--color-signal-cyan);
  font: 400 20px/1.2 var(--font-pixel);
}

.overlay p { max-width: 280px; margin: 0; color: rgba(244, 247, 255, .7); }

.modal-card,
.panel {
  width: 100%;
  max-width: 342px;
  padding: 26px 22px 22px;
  background: rgba(13, 18, 40, .97);
  border: 2px solid var(--color-city-line);
  clip-path: var(--corner-notch-12);
  box-shadow: 0 20px 70px rgba(0, 0, 0, .5), var(--glow-panel);
}

.modal-card--pause {
  max-width: 318px;
  padding: 30px 24px 24px;
  border-color: var(--color-signal-cyan);
}

.modal-card--pause .modal-card__kicker { display: none; }
.modal-card--pause h2 { margin-bottom: 28px; color: var(--color-interface-white); }
.modal-card--pause .button--primary { min-height: 60px; }

.modal-card__kicker {
  margin: 0 0 10px;
  color: var(--color-signal-cyan);
  font: 700 9px/1 var(--font-mono);
  letter-spacing: 2.2px;
  text-align: center;
}

.modal-card h2,
.panel__title {
  margin: 0 0 24px;
  font: 400 25px/1 var(--font-pixel);
  text-align: center;
}

.modal-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.modal-card__head h2 { margin: 0; font-size: 20px; text-align: left; }
.modal-card__head .icon-button { font: 400 28px/1 var(--font-ui); }

.settings-list { border-top: 1px solid var(--color-city-mid); }

.setting-row {
  position: relative;
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--color-city-mid);
  cursor: pointer;
  font: 600 14px/1.2 var(--font-ui);
}

.setting-row input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.toggle {
  position: relative;
  width: 50px;
  height: 28px;
  flex: none;
  background: var(--color-indigo-800);
  border: 2px solid var(--color-city-line);
}

.toggle::after {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  content: "";
  background: var(--color-city-line);
  transition: transform var(--dur-2) var(--ease-pixel);
}

.setting-row input:checked + .toggle {
  background: rgba(65, 234, 212, .14);
  border-color: var(--color-signal-cyan);
}

.setting-row input:checked + .toggle::after {
  background: var(--color-signal-cyan);
  box-shadow: var(--glow-signal);
  transform: translateX(22px);
}

.setting-row input:focus-visible + .toggle {
  outline: 2px solid var(--color-interface-white);
  outline-offset: 3px;
  box-shadow: 0 0 0 2px var(--color-signal-cyan);
}

/* Compatibility for dynamically rendered switch rows. */
.setrow { display: flex; min-height: 60px; align-items: center; gap: 10px; border-bottom: 1px solid var(--color-city-mid); }
.setrow > div:first-child { flex: 1; }
.setrow b { display: block; font: 600 13px/1.2 var(--font-ui); }
.setrow small { display: block; margin-top: 3px; color: rgba(244, 247, 255, .5); font: 400 10px/1.3 var(--font-ui); }
.switch { position: relative; width: 50px; height: 28px; border: 2px solid var(--color-city-line); }
.switch i { position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; background: var(--color-city-line); }
.switch[aria-checked="true"] { border-color: var(--color-signal-cyan); }
.switch[aria-checked="true"] i { right: 3px; left: auto; background: var(--color-signal-cyan); }
.switchlabel { width: 22px; color: rgba(244, 247, 255, .5); font: 700 9px/1 var(--font-pixel); }

/* ---------- results ---------- */

.screen--results {
  align-items: center;
  padding: max(46px, calc(env(safe-area-inset-top) + 30px)) 24px max(26px, env(safe-area-inset-bottom));
  text-align: center;
}

.results-glow {
  position: relative;
  width: 160px;
  height: 140px;
  flex: none;
}

.results-glow img:first-child {
  position: absolute;
  top: -12px;
  left: 10px;
  width: 140px;
  height: 140px;
  opacity: .68;
  filter: drop-shadow(0 0 18px rgba(255, 204, 77, .4));
}

.results-glow img:last-child {
  position: absolute;
  right: 40px;
  bottom: 0;
  width: 80px;
  height: 80px;
}

.results-score p {
  margin: 12px 0 14px;
  color: var(--color-interface-white);
  font: 700 12px/1 var(--font-mono);
  letter-spacing: 2.5px;
}

.results-score > output,
.result__score b {
  display: block;
  font: 400 62px/.92 var(--font-pixel);
  text-shadow: 0 0 24px rgba(65, 234, 212, .45), 4px 4px 0 var(--color-cyan-dim);
}

.new-best {
  display: inline-flex;
  margin-top: 15px;
  padding: 7px 10px;
  color: var(--color-on-amber);
  background: var(--color-perfect-amber);
  font: 700 10px/1 var(--font-pixel);
  box-shadow: 0 0 18px rgba(255, 204, 77, .28);
}

.best-score,
.bestrow {
  display: flex;
  width: 100%;
  max-width: 300px;
  align-items: center;
  justify-content: space-between;
  margin-top: 28px;
  padding: 13px 15px;
  background: rgba(13, 18, 40, .8);
  border: 1px solid var(--color-city-line);
}

.best-score span,
.bestrow span:first-child {
  color: rgba(244, 247, 255, .58);
  font: 700 10px/1 var(--font-mono);
  letter-spacing: 1.5px;
}

.best-score output,
.bestrow span:last-child { color: var(--color-perfect-amber); font: 400 18px/1 var(--font-pixel); }

.results-actions { max-width: 342px; margin-top: auto; }

/* A transient toast: app.js writes copy here, and this override intentionally
   wins over the element's sr-only utility without reserving results space. */
#share-feedback:not(:empty) {
  position: absolute !important;
  top: max(18px, calc(env(safe-area-inset-top) + 10px));
  right: 20px;
  left: 20px;
  z-index: var(--z-toast);
  width: auto !important;
  max-width: 342px;
  height: auto !important;
  margin: 0 auto !important;
  padding: 10px 14px !important;
  overflow: visible !important;
  clip: auto !important;
  clip-path: var(--corner-notch-8) !important;
  white-space: normal !important;
  color: var(--color-interface-white);
  background: rgba(13, 18, 40, .97);
  border: 2px solid var(--color-signal-cyan) !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .45), 0 0 16px rgba(65, 234, 212, .18);
  font: 600 12px/1.35 var(--font-ui);
  text-align: center;
  pointer-events: none;
}

/* Light compatibility for old dynamic result/title markup during wiring. */
.screen__head,
.result__head { display: flex; align-items: center; gap: 12px; }
.screen__title { font: 400 19px/1.1 var(--font-pixel); }
.result__score { margin-top: 16px; padding: 16px; background: var(--color-indigo-900); border: 2px solid var(--color-city-line); }
.result__score b { margin-top: 8px; font-size: 38px; }
.spacer { margin-top: auto; }
.footnote { color: rgba(244, 247, 255, .55); font: 400 11px/1.5 var(--font-ui); }
.inputhint { display: flex; align-items: center; justify-content: center; gap: 8px; color: rgba(244, 247, 255, .54); font: 500 11px/1.2 var(--font-ui); }
.chip { padding: 4px 6px; border: 1px solid var(--color-city-line); font: 700 9px/1 var(--font-pixel); }

/* Old feature blocks remain neutral if app.js has not yet been rewired. */
.navgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.navcard { min-height: 62px; padding: 10px; text-align: left; background: var(--color-indigo-900); border: 2px solid var(--color-city-mid); }
.navcard b,
.navcard span { display: block; }
.navcard b { font: 600 12px/1.2 var(--font-ui); }
.navcard span { margin-top: 3px; color: rgba(244, 247, 255, .5); font: 400 10px/1.2 var(--font-ui); }
.statrow { display: flex; min-height: 38px; align-items: center; gap: 9px; border-bottom: 1px solid var(--color-city-mid); }
.statrow img { width: 18px; height: 18px; }
.statrow span { flex: 1; }
.breakdown { padding: 10px; background: var(--color-ink); border: 1px solid var(--color-city-mid); }
.breakdown div { display: flex; justify-content: space-between; }
.notice { padding: 10px 12px; border: 2px solid var(--color-city-line); }

/* Canvas reads the same dataset and removes its glows. These shell rules keep
   controls and transient instruction surfaces equally legible. */
:root[data-contrast="high"] .screen,
:root[data-contrast="high"] .modal-layer,
:root[data-contrast="high"] .overlay { background-color: #03050b; }

:root[data-contrast="high"] .icon-button,
:root[data-contrast="high"] .button--secondary,
:root[data-contrast="high"] .pause-button,
:root[data-contrast="high"] .modal-card,
:root[data-contrast="high"] .best-score,
:root[data-contrast="high"] .game-hint {
  border-color: var(--color-interface-white);
  box-shadow: none;
}

:root[data-contrast="high"] .game-hint[data-ready="1"] {
  color: #000;
  background: var(--color-interface-white);
  border-color: var(--color-signal-cyan);
}

:root[data-contrast="high"] .screen__sky::after,
:root[data-contrast="high"] .screen__bg::after,
:root[data-contrast="high"] .shell::before { opacity: .22; }

:root[data-contrast="high"] .results-score > output,
:root[data-contrast="high"] .title-brand__logo,
:root[data-contrast="high"] .logo { text-shadow: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

/* The in-game setting is profile-driven rather than a root data attribute.
   :has keeps CSS-only title/UI motion in sync without app-logic changes. */
html:has(#setting-reduced-motion:checked) *,
html:has(#setting-reduced-motion:checked) *::before,
html:has(#setting-reduced-motion:checked) *::after {
  scroll-behavior: auto !important;
  animation-duration: .001ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: .001ms !important;
}

:root[data-reduced-motion="true"] *,
:root[data-reduced-motion="true"] *::before,
:root[data-reduced-motion="true"] *::after {
  animation: none !important;
  transition: none !important;
}