/* Shared 24-color palette. sprites.js reads these tokens directly. */
:root {
  --ink: #273344;
  --wood-dark: #593828;
  --wood-shade: #87492e;
  --wood-deep: #a65b32;
  --wood: #c37b40;
  --wood-light: #e7a655;
  --wood-edge: #f5c77e;
  --cream: #fff0c2;
  --white: #fff9e8;
  --sky-night: #284d80;
  --sky-deep: #37669c;
  --sky-mid: #518db5;
  --sky-light: #7eb7ce;
  --horizon: #c2dcd2;
  --cloud-shade: #a8cbd3;
  --cloud: #d9e7de;
  --mountain-far: #91b5bd;
  --mountain: #6d9da5;
  --forest-far: #497d83;
  --forest: #2f6268;
  --green-dark: #345b46;
  --green: #57854a;
  --green-light: #94b75c;
  --flower: #eab28e;
  --pixel: 4px;
  --scene-width: 320;
  --scene-height: 180;
  --cloud-travel: 400;
  font-family: "Pixelify Sans", "Silkscreen", "Courier New", monospace;
  color: var(--cream);
  background: var(--sky-night);
  color-scheme: light;
}

/* Base and accessibility */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 260px;
  min-height: 100svh;
}

button, a {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  cursor: pointer;
}

button {
  font: inherit;
}

canvas {
  display: block;
  image-rendering: pixelated;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 3px solid var(--cream);
  outline-offset: 6px;
}

.accessible-copy, .art-ready .button-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: -80px;
  left: 16px;
  padding: 12px 18px;
  color: var(--wood-dark);
  background: var(--cream);
  text-decoration: none;
}

.skip-link:focus {
  top: 16px;
}

/* Integer canvas scaling, with spare edge pixels cropped to the viewport. */
.world {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 360px;
  overflow: hidden;
  isolation: isolate;
}

.landscape, .clouds, .stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.landscape {
  width: calc(var(--scene-width) * var(--pixel));
  height: calc(var(--scene-height) * var(--pixel));
  z-index: -3;
}

.clouds {
  z-index: -2;
}

.stars {
  z-index: -1;
}

.cloud {
  position: absolute;
  left: 0;
  width: calc(var(--sprite-width) * var(--pixel));
  height: calc(var(--sprite-height) * var(--pixel));
  animation: cloud-drift 180s steps(var(--cloud-travel)) infinite;
}

.cloud--1 {
  --sprite-width: 63;
  --sprite-height: 18;
  top: 30%;
  animation-delay: -37s;
}

.cloud--2 {
  --sprite-width: 43;
  --sprite-height: 14;
  top: 14%;
  animation-duration: 230s;
  animation-delay: -173s;
}

.cloud--3 {
  --sprite-width: 33;
  --sprite-height: 11;
  top: 53%;
  animation-duration: 210s;
  animation-delay: -141s;
}

.cloud--4 {
  --sprite-width: 63;
  --sprite-height: 18;
  top: 45%;
  animation-duration: 270s;
  animation-delay: -92s;
}

.cloud--5 {
  --sprite-width: 33;
  --sprite-height: 11;
  top: 7%;
  animation-duration: 250s;
  animation-delay: -75s;
}

@keyframes cloud-drift {
  from {
    transform: translateX(calc(-80 * var(--pixel)));
  }
  to {
    transform: translateX(calc(var(--scene-width) * var(--pixel)));
  }
}

.star {
  position: absolute;
  width: calc(3 * var(--pixel));
  height: calc(3 * var(--pixel));
  opacity: .65;
  animation: twinkle 5s steps(2, end) infinite;
}

.star:nth-child(1) {
  left: 15%;
  top: 12%;
  animation-delay: -1s;
}

.star:nth-child(2) {
  left: 31%;
  top: 7%;
  animation-delay: -3s;
}

.star:nth-child(3) {
  left: 68%;
  top: 16%;
  animation-delay: -2s;
}

.star:nth-child(4) {
  left: 86%;
  top: 26%;
  animation-delay: -4s;
}

.star:nth-child(5) {
  left: 8%;
  top: 43%;
  animation-delay: -.5s;
}

.star:nth-child(6) {
  left: 78%;
  top: 5%;
  animation-delay: -2.5s;
}

.star:nth-child(7) {
  left: 22%;
  top: 34%;
  animation-delay: -3.5s;
}

.star:nth-child(8) {
  left: 93%;
  top: 11%;
  animation-delay: -1.5s;
}

@keyframes twinkle {
  0%, 100% {
    opacity: .3;
  }
  50% {
    opacity: .95;
  }
}

/* Corner controls keep a comfortable target size at every scene scale. */
.topbar {
  position: absolute;
  inset: 22px 26px auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.sound-control {
  display: flex;
  align-items: center;
  gap: 12px;
}

.utility-button {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  border: 0;
  padding: 0;
  background: transparent;
  transition: filter 160ms, translate 160ms;
}

.utility-button canvas {
  width: 48px;
  height: 48px;
}

.utility-button:hover {
  filter: brightness(1.12);
  translate: 0 2px;
}

.utility-button:active {
  translate: 0 3px;
}

.utility-label, .location {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-shadow: 1px 2px var(--sky-night);
}

.location {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.location canvas {
  width: 18px;
  height: 22px;
}

.help-toggle {
  position: absolute;
  right: 26px;
  bottom: 22px;
}

/* Title screen */
.title-screen {
  position: absolute;
  top: calc(23 * var(--pixel));
  left: 0;
  width: calc(var(--scene-width) * var(--pixel));
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(4 * var(--pixel));
  margin: 0 0 calc(7 * var(--pixel));
  height: calc(5 * var(--pixel));
}

.eyebrow span {
  font-size: calc(3 * var(--pixel));
  font-weight: 700;
  letter-spacing: calc(.65 * var(--pixel));
  text-shadow: 0 2px var(--sky-night);
}

.eyebrow canvas {
  width: calc(5 * var(--pixel));
  height: calc(5 * var(--pixel));
}

.title-sign {
  position: relative;
  width: calc(176 * var(--pixel));
  height: calc(64 * var(--pixel));
}

.sign-art {
  width: 100%;
  height: 100%;
}

.introduction {
  margin: calc(7 * var(--pixel)) 0 0;
  font-size: max(12px, calc(4 * var(--pixel)));
  line-height: calc(6 * var(--pixel));
  font-weight: 700;
  text-shadow: -1px 0 var(--ink), 1px 0 var(--ink), 0 -1px var(--ink), 0 1px var(--ink);
}

.menu {
  display: flex;
  gap: calc(8 * var(--pixel));
  margin-top: calc(10 * var(--pixel));
}

.menu-button {
  position: relative;
  display: grid;
  place-items: center;
  width: calc(64 * var(--pixel));
  height: calc(29 * var(--pixel));
  color: var(--wood-dark);
  font-size: 20px;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  transition: translate 160ms, filter 160ms;
}

.menu-button canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.button-label {
  position: relative;
}

.menu-button:hover, .menu-button:focus-visible {
  filter: brightness(1.08);
  translate: 0 2px;
}

.menu-button:active {
  translate: 0 var(--pixel);
}

.menu-hint {
  display: flex;
  align-items: center;
  gap: calc(3 * var(--pixel));
  margin: calc(9 * var(--pixel)) 0 0;
  font-size: max(10px, calc(2.5 * var(--pixel)));
  line-height: calc(4 * var(--pixel));
  font-weight: 700;
  letter-spacing: calc(.25 * var(--pixel));
  text-shadow: -1px 0 var(--forest), 1px 0 var(--forest), 0 -1px var(--forest), 0 1px var(--forest);
}

.hint-diamond {
  font-size: calc(2 * var(--pixel));
  color: var(--wood-edge);
}

.footer {
  position: absolute;
  left: 26px;
  right: 96px;
  bottom: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-shadow: 1px 1px var(--green-dark);
}

.dialog-close:focus-visible {
  outline-color: var(--wood-dark);
  outline-offset: 2px;
}

/* The native dialog supplies focus containment and Escape dismissal. */
.help-dialog {
  width: min(440px, calc(100% - 40px));
  padding: 25px;
  border: 4px solid var(--wood-dark);
  box-shadow: inset 0 0 0 3px var(--wood-edge), 0 6px 0 var(--wood-shade);
  color: var(--wood-dark);
  background: var(--cream);
  font-size: 14px;
  line-height: 1.8;
}

.help-dialog::backdrop {
  background: var(--sky-night);
  opacity: .65;
}

.dialog-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.dialog-heading h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
}

.dialog-close {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border: 2px solid var(--wood-shade);
  background: var(--wood-edge);
  color: var(--wood-dark);
  font-size: 26px;
}

.keyboard-guide {
  margin: 22px 0;
}

.keyboard-guide div {
  display: grid;
  grid-template-columns: 72px 1fr;
  align-items: center;
  gap: 12px;
  margin: 12px 0;
}

.keyboard-guide dd {
  margin: 0;
}

kbd {
  display: inline-block;
  padding: 1px 7px;
  border: 1px solid var(--wood);
  border-bottom-width: 3px;
  background: var(--wood-edge);
  font-size: 12px;
}

.help-footnote {
  margin-bottom: 0;
  font-size: 12px;
}

.noscript-message {
  position: fixed;
  inset: auto 24px 80px;
  padding: 20px;
  color: var(--wood-dark);
  background: var(--cream);
  line-height: 1.6;
}

/* Portrait uses a separate composition on the same pixel grid. */
[data-layout="compact"] .title-screen {
  top: calc(32 * var(--pixel));
}

[data-layout="compact"] .utility-label,
[data-layout="compact"] .location {
  background: var(--sky-night);
  box-shadow: 0 0 0 4px var(--sky-night);
}

[data-layout="compact"] .title-sign {
  width: calc(116 * var(--pixel));
  height: calc(60 * var(--pixel));
}

[data-layout="compact"] .eyebrow {
  margin-bottom: calc(8 * var(--pixel));
  gap: calc(2 * var(--pixel));
}

[data-layout="compact"] .eyebrow span {
  font-size: calc(2.7 * var(--pixel));
  letter-spacing: calc(.25 * var(--pixel));
}

[data-layout="compact"] .introduction {
  margin-top: calc(7 * var(--pixel));
  font-size: max(12px, calc(4 * var(--pixel)));
  line-height: calc(7 * var(--pixel));
}

[data-layout="compact"] .menu {
  flex-direction: column;
  gap: calc(6 * var(--pixel));
  margin-top: calc(12 * var(--pixel));
}

[data-layout="compact"] .menu-button {
  width: calc(86 * var(--pixel));
  height: calc(26 * var(--pixel));
}

[data-layout="compact"] .menu-hint {
  margin-top: calc(8 * var(--pixel));
  letter-spacing: 0;
}

[data-layout="compact"] .cloud--1 {
  top: 24%;
}

[data-layout="compact"] .cloud--2 {
  top: 6%;
}

[data-layout="compact"] .cloud--3 {
  top: 48%;
}

[data-layout="compact"] .cloud--4 {
  top: 62%;
}

[data-layout="compact"] .footer-note {
  display: none;
}

@media (max-width: 600px) {
  .topbar {
    inset: 18px 18px auto;
  }
  .sound-control {
    gap: 8px;
  }
  .utility-label, .location {
    font-size: 9px;
    letter-spacing: .5px;
  }
  .location {
    gap: 6px;
  }
  .footer {
    left: 18px;
    right: 80px;
    bottom: 26px;
    font-size: 9px;
  }
  .help-toggle {
    right: 18px;
    bottom: 18px;
  }
}

@media (max-height: 500px) and (min-aspect-ratio: 6/5) {
  .topbar {
    inset: 12px 14px auto;
  }
  .utility-label, .location {
    display: none;
  }
  .help-toggle {
    right: 14px;
    bottom: 12px;
  }
  .footer {
    left: 14px;
    bottom: 15px;
    font-size: 8px;
  }
  .footer-note {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-play-state: paused !important;
    transition: none !important;
  }
}