/* Squares is a single printed sheet: one paper, six inks, no dark mode on purpose. */
:root {
  --paper: #F1E8D6;
  --card: #FBF6EA;
  --ink: #252D52;
  --ink-soft: #4A5280;
  --coral: #E3603F;
  --mustard: #EDB53B;
  --teal: #2E8B84;
  --display: "Bagel Fat One", "Arial Black", system-ui, sans-serif;
  --body: "Rethink Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --gutter: 16px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  /* How far the plate bleeds past the screen edges. 0 everywhere except iOS, below. */
  --bleed: 0px;
  color-scheme: light;
}

/* iOS Safari (26+) floats its status bar and toolbar over the page. The plate
   bleeds under both so you see the block through the glass instead of a flat
   strip of paper. main.js measures the canvas, so this number can change freely. */
@supports (-webkit-touch-callout: none) {
  :root { --bleed: 120px; }
  /* A layer that isn't fully opaque is composited under the bars rather than
     clipped at them. The canvas is also created with alpha for the same reason. */
  #map { opacity: 0.999; }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  /* The paper as it looks with the grain printed over it. If Safari paints its
     bars as a flat color, this is the color it picks, so they melt into the sheet. */
  background: #ECE2CF;
  color: var(--ink);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

#map {
  position: fixed;
  top: calc(-1 * var(--bleed));
  left: 0;
  width: 100%;
  height: calc(100% + 2 * var(--bleed));
  display: block;
  touch-action: none;
  cursor: grab;
}
#map:active { cursor: grabbing; }

/* Paper fibre, multiplied over everything */
.grain {
  position: fixed;
  inset: calc(-1 * var(--bleed)) 0;
  pointer-events: none;
  opacity: 0.32;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.55 0 0 0 0 0.47 0 0 0 0 0.36 0 0 0 0.55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Top bar ---------- */
.brand {
  position: fixed;
  top: calc(var(--safe-top) + 12px);
  left: var(--gutter);
  pointer-events: none;
  transform-origin: 0 0;
  transition: transform 0.5s cubic-bezier(.2, .8, .2, 1);
}
/* The wordmark is a sticker: ink letters, a cream die-cut edge, a coral offset.
   The edge keeps it readable when it sits over a dark room. */
.brand h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(30px, 5vw, 44px);
  line-height: 0.9;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-shadow:
    0 2.5px 0 var(--card), 2.5px 0 0 var(--card), 0 -2.5px 0 var(--card), -2.5px 0 0 var(--card),
    1.8px 1.8px 0 var(--card), -1.8px 1.8px 0 var(--card), 1.8px -1.8px 0 var(--card), -1.8px -1.8px 0 var(--card),
    4.5px 4.5px 0 var(--coral);
}
.brand h1 span { display: inline-block; }
body[data-ready] .brand h1 span {
  animation: letter 0.7s cubic-bezier(.2, 1.5, .4, 1) both;
}
.brand h1 span:nth-child(2) { animation-delay: 0.04s; }
.brand h1 span:nth-child(3) { animation-delay: 0.08s; }
.brand h1 span:nth-child(4) { animation-delay: 0.12s; }
.brand h1 span:nth-child(5) { animation-delay: 0.16s; }
.brand h1 span:nth-child(6) { animation-delay: 0.20s; }
.brand h1 span:nth-child(7) { animation-delay: 0.24s; }
@keyframes letter {
  from { transform: translateY(0.5em) rotate(-8deg); opacity: 0; }
  to { transform: none; opacity: 1; }
}
body[data-ready] .brand p,
body[data-ready] .brand-back { animation: fade-up 0.6s 0.35s cubic-bezier(.2, .8, .2, 1) both; }
@keyframes fade-up {
  from { transform: translateY(6px); opacity: 0; }
  to { transform: none; opacity: 1; }
}
/* Inside a room the wordmark steps back so the room is the show. */
body[data-mode="room"] .brand { transform: scale(0.74); }
body[data-mode="room"] .brand p,
body[data-mode="room"] .brand-back { display: none; }
.brand p {
  margin: 6px 0 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
}
/* The way home to ryankm.com/lab. Quiet on purpose: the sheet is the show. */
.brand-back {
  display: inline-block;
  margin-top: 4px;
  padding: 4px 0;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-soft);
  text-decoration: underline;
  text-decoration-color: var(--coral);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  pointer-events: auto;
}
.brand-back:hover { color: var(--ink); }
.brand-back:focus-visible { outline: 2px solid var(--coral); outline-offset: 2px; border-radius: 2px; }

.tally {
  position: fixed;
  top: calc(var(--safe-top) + 14px);
  right: calc(var(--gutter) + var(--tray-w, 0px));
  transition: right 0.34s cubic-bezier(.2, .8, .2, 1);
  display: flex;
  gap: 8px;
}
.tally-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px 5px 8px;
  background: var(--card);
  border: 2px solid var(--ink);
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  box-shadow: 2px 2px 0 var(--ink);
}
.tally-item svg { width: 18px; height: 18px; color: var(--coral); }
.tally-item.bump { animation: bump 0.5s cubic-bezier(.2, 1.8, .4, 1); }
@keyframes bump {
  0% { transform: scale(1); }
  35% { transform: scale(1.18) rotate(-3deg); background: var(--mustard); }
  100% { transform: scale(1); }
}
body[data-ready] .tally { animation: fade-up 0.6s 0.2s cubic-bezier(.2, .8, .2, 1) both; }
body[data-ready] .controls,
body[data-ready] .hint { animation: fade-up 0.6s 0.9s cubic-bezier(.2, .8, .2, 1) both; }

/* ---------- Buttons ---------- */
button {
  font: inherit;
  color: var(--ink);
  background: var(--card);
  border: 2px solid var(--ink);
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 2px 2px 0 var(--ink);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}
button:hover { background: #fff; }
button:active { transform: translate(2px, 2px); box-shadow: 0 0 0 var(--ink); }
button:focus-visible { outline: 3px solid var(--mustard); outline-offset: 2px; }

.controls {
  position: fixed;
  right: var(--gutter);
  bottom: calc(var(--safe-bottom) + 16px);
  display: flex;
  gap: 8px;
}
.controls button {
  padding: 9px 16px;
  font-weight: 700;
  font-size: 14px;
}
#tour[aria-pressed="true"] { background: var(--ink); color: var(--card); box-shadow: 2px 2px 0 var(--coral); }

.hint {
  position: fixed;
  left: var(--gutter);
  bottom: calc(var(--safe-bottom) + 22px);
  margin: 0;
  max-width: calc(100% - 260px);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  pointer-events: none;
}

/* ---------- Icon buttons ---------- */
.icon-btn {
  flex: none;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.icon-btn svg { width: 20px; height: 20px; display: block; }

/* ---------- Room bar: where you are, its story, getting around ---------- */
/* Phones: a second row under the wordmark and tallies. */
.roombar {
  position: fixed;
  z-index: 6;
  top: calc(var(--safe-top) + 58px);
  left: var(--gutter);
  right: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.room-pill {
  flex: 0 1 auto;
  min-width: 0;
  max-width: 320px;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 12px 0 16px;
  text-align: left;
}
.room-unit {
  flex: none;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--coral);
}
.room-name {
  flex: 0 1 auto;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-family: var(--display);
  font-size: 17px;
  line-height: 1.1;
}
.room-info { flex: none; width: 18px; height: 18px; color: var(--ink-soft); }
.room-pill[aria-expanded="true"] { background: var(--ink); color: var(--card); box-shadow: 2px 2px 0 var(--coral); }
.room-pill[aria-expanded="true"] .room-info { color: var(--mustard); }
#tour-room .i-stop,
#tour-room[aria-pressed="true"] .i-play { display: none; }
#tour-room[aria-pressed="true"] .i-stop { display: block; }
#tour-room[aria-pressed="true"] { background: var(--ink); color: var(--card); box-shadow: 2px 2px 0 var(--coral); }

/* The room's story: shown when you arrive, then behind the room name. */
.story {
  position: fixed;
  z-index: 7;
  top: calc(var(--safe-top) + 112px);
  left: var(--gutter);
  right: var(--gutter);
  max-width: 420px;
  margin-inline: auto;
  padding: 12px 16px;
  background: var(--card);
  border: 2px solid var(--ink);
  border-radius: 14px;
  box-shadow: 3px 3px 0 var(--ink);
}
.story p { margin: 0; font-size: 14px; line-height: 1.42; color: var(--ink-soft); text-wrap: pretty; }
@media (max-width: 520px) {
  .story { padding: 10px 14px; }
  .story p { font-size: 13.5px; line-height: 1.38; }
}

/* ---------- The tray (find list) ---------- */
.tray {
  position: fixed;
  z-index: 5;
  left: 0;
  right: 0;
  bottom: 0;
  max-width: 640px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding-bottom: calc(var(--safe-bottom) + 14px);
  background: var(--card);
  border: 2px solid var(--ink);
  border-bottom: 0;
  border-radius: 20px 20px 0 0;
  box-shadow: 0 -3px 0 rgba(37, 45, 82, 0.12);
}
@media (max-width: 640px) {
  .tray { border-left: 0; border-right: 0; }
}
.tray-head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 18px 12px 0 16px;
  touch-action: none; /* vertical swipes on the head grow or shrink the tray */
}
button.tray-grip {
  position: absolute;
  top: 0;
  left: 50%;
  width: 72px;
  height: 18px;
  margin-left: -36px;
  padding: 0;
  background: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  cursor: grab;
}
.tray-grip::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 7px;
  width: 36px;
  height: 4px;
  margin-left: -18px;
  border-radius: 4px;
  background: var(--ink);
  opacity: 0.25;
}
button.tray-grip:hover { background: none; }
button.tray-grip:active { transform: none; }
.tray-title { flex: 1; min-width: 0; }
.tray-kicker {
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--coral);
}
.tray-count {
  margin: 1px 0 0;
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.tray-hint {
  flex: none;
  min-height: 40px;
  padding: 0 16px;
  background: var(--mustard);
  font-size: 14px;
  font-weight: 700;
}
.tray-hint:hover { background: var(--butter, #F7DD8E); }
#tray-more[aria-expanded="true"] { background: var(--ink); color: var(--card); box-shadow: 2px 2px 0 var(--coral); }

/* Chips: one row you can scroll sideways, so a level can hold any number of things. */
.chips {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 12px 16px 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent);
  mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent);
}
.chips::-webkit-scrollbar { display: none; }
.chips li { flex: none; }
.chip {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 14px 0 10px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}
.chip.is-selected { background: var(--ink); color: var(--card); box-shadow: 2px 2px 0 var(--coral); }
.chip.is-selected .find-mark { border-color: var(--card); }
.chip.is-found,
.chip:disabled {
  background: var(--paper);
  border-color: #CFC3AD;
  box-shadow: none;
  color: var(--ink-soft);
  cursor: default;
  opacity: 1;
}
.chip.is-found .chip-label,
.row.is-found .row-label {
  text-decoration: line-through;
  text-decoration-color: var(--coral);
  text-decoration-thickness: 2px;
  color: var(--ink-soft);
}

.find-mark {
  flex: none;
  width: 16px;
  height: 16px;
  box-sizing: border-box;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--card);
}
.find-mark.is-goose { border-radius: 4px; background: var(--mustard); }
.find-mark.is-found { background: var(--coral); border-color: var(--coral); }
.just-found .find-mark { animation: stamp 0.5s cubic-bezier(.2, 1.8, .4, 1); }
@keyframes stamp {
  0% { transform: scale(0.3) rotate(-30deg); }
  100% { transform: none; }
}

/* The whole list: this room first, then every other room. */
.tray-full {
  display: none;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 6px 16px 10px;
}
.group-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  width: 100%;
  padding: 14px 0 4px;
  background: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  text-align: left;
}
button.group-head:hover { background: none; }
button.group-head:hover .group-name { text-decoration: underline; text-decoration-color: var(--coral); text-decoration-thickness: 2px; }
button.group-head:active { transform: none; }
.group-unit {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--coral);
}
.group-name { font-family: var(--display); font-size: 16px; }
.group-frac { margin-left: auto; font-size: 13px; font-weight: 700; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.group.is-complete .group-frac { color: var(--coral); }
.group.is-here {
  margin: 4px -10px 6px;
  padding: 0 10px 6px;
  background: #F6EDD6;
  border-radius: 12px;
}
.rows { list-style: none; margin: 0; padding: 0; }
.row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.25;
}
.row-label { flex: 1; min-width: 0; }
.row-hint {
  flex: none;
  min-width: 30px;
  height: 30px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 700;
  border-width: 1.5px;
  box-shadow: 1px 1px 0 var(--ink);
}
.tray[data-dock="bottom"] .row-hint { padding: 0; }
.tray[data-dock="bottom"] .hint-long,
.tray[data-dock="right"] .hint-short { display: none; }

/* Hidden state: just a pill (phones) or a slim rail (side dock). */
.tray-pill {
  display: none;
  align-self: center;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 16px;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 3px 3px 0 var(--ink);
  pointer-events: auto;
}
.tray-pill svg { width: 18px; height: 18px; flex: none; }
.pill-frac { display: none; font-variant-numeric: tabular-nums; }
.pips { display: flex; gap: 3px; }
.pip {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1.5px var(--ink);
}
.pip.is-goose { border-radius: 2px; background: var(--mustard); }
.pip.is-found { background: var(--coral); box-shadow: inset 0 0 0 1.5px var(--coral); }

/* Bottom dock states */
.tray[data-state="peek"] .tray-full { display: none; }
.tray[data-state="open"] .chips { display: none; }
.tray[data-state="open"] .tray-full { display: block; height: min(60vh, 540px); }
.tray[data-state="open"] .tray-count { font-family: var(--display); font-weight: 400; font-size: 21px; }
.tray[data-state="hidden"] {
  background: none;
  border: 0;
  box-shadow: none;
  pointer-events: none;
  padding-bottom: calc(var(--safe-bottom) + 22px);
}
.tray[data-state="hidden"] .tray-head,
.tray[data-state="hidden"] .chips,
.tray[data-state="hidden"] .tray-full { display: none; }
.tray[data-state="hidden"] .tray-pill { display: flex; }

/* Side dock: wide screens and landscape. The panel pushes the scene over. */
.tray[data-dock="right"] {
  top: 0;
  left: auto;
  width: 340px;
  max-width: none;
  margin: 0;
  padding: calc(var(--safe-top) + 4px) 0 calc(var(--safe-bottom) + 8px);
  border: 0;
  border-left: 2px solid var(--ink);
  border-radius: 0;
  box-shadow: -3px 0 0 rgba(37, 45, 82, 0.1);
}
.tray[data-dock="right"] .tray-head { padding: 16px 14px 12px 20px; border-bottom: 2px solid #E4D7BE; touch-action: auto; }
.tray[data-dock="right"] .tray-grip,
.tray[data-dock="right"] #tray-more,
.tray[data-dock="right"] .chips { display: none; }
.tray[data-dock="right"] #tray-hide svg { transform: rotate(-90deg); }
.tray[data-dock="right"] .tray-count { font-family: var(--display); font-weight: 400; font-size: 22px; }
.tray[data-dock="right"] .tray-full { display: block; flex: 1; height: auto; padding: 4px 20px 16px; }
.tray[data-dock="right"][data-state="hidden"] {
  width: 76px;
  background: var(--card);
  border-left: 2px solid var(--ink);
  box-shadow: -3px 0 0 rgba(37, 45, 82, 0.1);
  pointer-events: auto;
}
.tray[data-dock="right"][data-state="hidden"] .tray-full { display: none; }
.tray[data-dock="right"] .tray-pill {
  flex-direction: column;
  gap: 12px;
  width: 52px;
  margin: 16px auto 0;
  padding: 14px 0;
  min-height: 0;
  border-radius: 999px;
}
.tray[data-dock="right"] .pill-left { display: none; }
.tray[data-dock="right"] .pill-frac { display: block; font-size: 14px; }
.tray[data-dock="right"] .tray-pill .pips { flex-direction: column; gap: 6px; }
.tray[data-dock="right"] .tray-pill .pip { width: 10px; height: 10px; }
.tray[data-dock="right"] .tray-pill svg { order: -1; transform: rotate(-90deg); }

/* Landscape phones: a narrower panel leaves more of the room. */
@media (max-width: 899px) {
  .tray[data-dock="right"] { width: 280px; }
  .tray[data-dock="right"] .tray-head { padding: 10px 10px 8px 16px; }
  .tray[data-dock="right"] .tray-full { padding: 2px 14px 12px; }
  .tray[data-dock="right"] .row { min-height: 36px; font-size: 13.5px; }
  body[data-dock="right"] .roombar .icon-btn { width: 40px; height: 40px; }
  body[data-dock="right"] .room-pill { min-height: 40px; }
}

/* Side dock: the room bar floats at the bottom left of the scene. */
body[data-dock="right"] .roombar {
  top: auto;
  bottom: calc(var(--safe-bottom) + 16px);
  right: auto;
  max-width: calc(100% - var(--tray-w, 0px) - 2 * var(--gutter));
  justify-content: flex-start;
}
body[data-dock="right"] .story {
  top: auto;
  bottom: calc(var(--safe-bottom) + 72px);
  right: auto;
  width: min(400px, calc(100% - var(--tray-w, 0px) - 2 * var(--gutter)));
  margin: 0;
}

/* Inside a room the tour button lives in the room bar. */
body[data-mode="room"] .controls { display: none; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  top: calc(var(--safe-top) + 70px);
  transform: translateX(-50%);
  max-width: calc(100% - 32px);
  padding: 8px 14px;
  background: var(--ink);
  color: var(--card);
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 3px 3px 0 var(--coral);
  pointer-events: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.toast.show { animation: pop 0.35s cubic-bezier(.2,1.6,.4,1); }
@keyframes pop {
  from { transform: translateX(-50%) scale(0.6); opacity: 0; }
  to { transform: translateX(-50%) scale(1); opacity: 1; }
}

@media (min-width: 900px) {
  .hint { max-width: none; }
}

@media (max-width: 520px) {
  .brand p { font-size: 12px; }
  .tally { gap: 6px; }
  .tally-item { padding: 4px 8px 4px 6px; font-size: 12px; }
  .hint { max-width: calc(100% - 150px); }
  /* Messages drop below the room bar. */
  body[data-mode="room"] .toast { top: calc(var(--safe-top) + 114px); }
}
@media (max-width: 420px) {
  /* Five controls on a narrow phone: slimmer buttons, name only. */
  .roombar { gap: 5px; }
  .roombar .icon-btn { width: 40px; height: 40px; }
  .room-unit, .room-info { display: none; }
  .room-pill { min-height: 40px; padding: 0 14px; }
  .room-name { font-size: 15.5px; }
}

/* Portrait phones: the overview has room for a proper poster title. */
@media (max-width: 520px) and (orientation: portrait) {
  /* Tallies ride along the top; the title sits under them, poster-size. */
  .brand { top: calc(var(--safe-top) + 60px); }
  .brand h1 { font-size: 62px; }
  body[data-mode="overview"] .brand p { font-size: 14px; margin-top: 10px; }
  /* In a room it shrinks back up into the corner. */
  body[data-mode="room"] .brand { transform: translateY(-46px) scale(0.48); }
}

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