/*
 * Chrome 103 target. Avoid: individual translate/rotate/scale properties,
 * :has(), container query units (cqw), and dvh/svh. Use transform and vh.
 */
html, body {
  height: 100%;
  margin: 0;
}
body {
  background: #fff;
  color: #222;
  overflow: hidden;
}
#page {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
header {
  padding: 6px 14px 0;
  flex: none;
}
header h1 {
  font-size: 20px;
  font-weight: normal;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
header h1 a {
  color: #000;
  text-decoration: none;
}
.levels {
  margin-left: 10px;
  white-space: nowrap;
}
.levels .level_number {
  margin: 0 1px;
  padding: 3px 9px;
  text-decoration: none;
  font-size: 15px;
}
button.level_locked {
  font-family: inherit;
  font-size: 15px;
  line-height: 1.2;
  color: #c5c5c5;
  background: #f6f6f6;
  border: solid 1px #e4e4e4;
  cursor: pointer;
}
.levels .level_locked:hover {
  color: #c5c5c5;
  background: #f6f6f6;
}
#lock-shadow {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 52;
}
#lock-box {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 380px;
  max-width: 90vw;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  border-top: 10px solid #888;
  padding: 16px 20px 14px;
  z-index: 53;
}
#lock-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}
#lock-text {
  font-size: 17px;
  line-height: 1.4;
  margin: 0 0 12px;
}
#lock-error {
  color: #a33;
  font-size: 14px;
  margin: 0 0 8px;
}
#lock-form {
  margin: 0 0 12px;
}
#lock-form label {
  display: block;
  font-size: 13px;
  color: #777;
  margin-bottom: 4px;
}
#lock-password {
  font-size: 16px;
  padding: 6px 8px;
  width: 180px;
  margin-right: 6px;
}
.lock-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
#lock-key {
  background: transparent;
  border: 0;
  color: #c8c8c8;
  padding: 2px;
  margin: 0;
  line-height: 0;
  cursor: pointer;
}
#lock-key:hover {
  color: #999;
}
#lock-ok {
  font-size: 16px;
  padding: 7px 16px;
}
#intro {
  margin: 6px 14px 6px;
  flex: none;
}
#intro p {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.35;
}
#intro .reallife {
  background: #f3f7ff;
  border-left: 4px solid #4d90fe;
  padding: 6px 10px;
}
#intro .challenge {
  margin: 4px 0 2px;
  font-size: 19px;
  line-height: 1.35;
  color: #222;
}
.challenge-label {
  font-weight: 700;
  color: #c2410c;
  letter-spacing: 0.04em;
  margin-right: 4px;
}
#intro .challenge b {
  font-weight: 700;
  background: #fff3c4;
  border-radius: 3px;
  padding: 0 3px;
}
.about-details {
  margin-bottom: 6px;
}
.about-details summary {
  cursor: pointer;
  font-size: 15px;
  color: #2d5cb8;
  list-style: none;
  display: inline-block;
}
.about-details summary::-webkit-details-marker {
  display: none;
}
.about-details[open] summary {
  margin-bottom: 6px;
}
.q-icon {
  display: inline-block;
  width: 18px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  border-radius: 50%;
  background: #4d90fe;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  margin-right: 6px;
}
.reallife-label {
  font-weight: 700;
  margin-right: 6px;
}
#play {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  border-top: 1px solid #eee;
}
#board-column {
  flex: 0 0 38%;
  max-width: 520px;
  min-width: 290px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-right: 1px solid #eee;
}
#blockly-column {
  flex: 1 1 auto;
  min-width: 0;
  position: relative;
}
#blockly {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}
#board {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding: 6px 10px 0;
  display: flex;
  flex-direction: column;
}
.scene-label {
  flex: none;
  font-size: 14px;
}
.scene-box {
  flex: 1 1 auto;
  min-height: 120px;
  position: relative;
}
.scene {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 8px;
}
/* Hello Pip: the wave bobs once per run. */
.wave {
  transform-origin: 188px 100px;
  animation: wave-hand 0.5s ease-in-out 3;
}
@keyframes wave-hand {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(-24deg); }
}
/* Draw: the target picture beside Pip's canvas. */
.draw-panels {
  flex: none;
  display: flex;
  gap: 8px;
}
.draw-panel {
  flex: 1 1 0;
  min-width: 0;
  margin: 0;
}
.draw-panel figcaption {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 3px;
}
.draw-panel.pip-panel figcaption {
  color: #2d5cb8;
}
.draw-scene {
  display: block;
  width: 100%;
  height: auto;
  max-height: 40vh;
  border-radius: 8px;
  border: 2px solid #ddd;
}
.draw-panel.pip-panel .draw-scene {
  border-color: #4d90fe;
}
/* Chat sidebar: a small nod to agent chat panes. */
#chat {
  flex: 0 0 230px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  border-left: 1px solid #e3e3e3;
  background: #fafafa;
  font-size: 13px;
}
#chat-head {
  flex: none;
  padding: 6px 10px;
  border-bottom: 1px solid #e3e3e3;
  font-weight: 700;
  background: #fff;
}
.chat-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2fbf71;
  margin-right: 6px;
}
.chat-sub {
  font-weight: normal;
  color: #777;
  margin-left: 4px;
  font-size: 12px;
}
#chat-log {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 8px;
}
.msg {
  margin-bottom: 8px;
  max-width: 100%;
}
.msg .who {
  font-size: 11px;
  color: #777;
  margin-bottom: 2px;
}
.msg .body {
  border-radius: 10px;
  padding: 6px 9px;
  line-height: 1.35;
  white-space: pre-wrap;
  word-wrap: break-word;
  background: #fff;
  border: 1px solid #e5e5e5;
}
.msg.you .body {
  background: #e8f0fe;
  border-color: #cfe0fd;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 12px;
}
.msg.you .who {
  text-align: right;
}
.msg.win .body {
  background: #e4f6ea;
  border-color: #9fd9b4;
  font-weight: 700;
}
.msg.fail .body {
  background: #fde8e8;
  border-color: #f0b4b4;
  font-weight: 700;
}
.msg.blocked .body {
  background: #fff4dc;
  border-color: #f2d48a;
  font-weight: 700;
}

/* Outcome popup */
#outcome-shadow {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 50;
}
#outcome {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 420px;
  max-width: 90vw;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  border-top: 10px solid #4d90fe;
  padding: 16px 20px 14px;
  z-index: 51;
  animation: outcome-pop 0.25s ease-out;
}
#outcome.win { border-top-color: #2fbf71; }
#outcome.fail { border-top-color: #dd4b39; }
#outcome.blocked { border-top-color: #f0a500; }
#outcome-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}
#outcome.win #outcome-title { color: #177245; }
#outcome.fail #outcome-title { color: #a33; }
#outcome.blocked #outcome-title { color: #8a5a00; }
#outcome-text {
  font-size: 17px;
  line-height: 1.4;
  margin: 0 0 12px;
}
.outcome-buttons {
  text-align: right;
}
.outcome-buttons button,
.outcome-buttons .next-link {
  font-size: 16px;
  margin-left: 6px;
}
@keyframes outcome-pop {
  from { transform: translate(-50%, -50%) scale(0.9); opacity: 0; }
  to { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}
#controls {
  flex: none;
  padding: 0 6px 6px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
#controls button {
  margin: 3px;
  padding: 7px 10px;
  font-size: 15px;
}
#capacity {
  margin-left: 6px;
  color: #555;
  font-size: 14px;
}
#controls #teacher {
  margin-left: auto;
  background: transparent;
  border: 0;
  color: #d0d0d0;
  padding: 2px 4px;
  line-height: 0;
  cursor: pointer;
}
#controls #teacher:hover {
  color: #999;
}
#teacher-shadow {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 52;
}
#teacher-box {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 380px;
  max-width: 90vw;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  border-top: 10px solid #888;
  padding: 16px 20px 14px;
  z-index: 53;
}
#teacher-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}
#teacher-text {
  font-size: 17px;
  line-height: 1.4;
  margin: 0 0 12px;
}
#teacher-error {
  color: #a33;
  font-size: 14px;
  margin: 0 0 8px;
}
#teacher-form {
  margin: 0;
}
#teacher-form label {
  display: block;
  font-size: 13px;
  color: #777;
  margin-bottom: 4px;
}
#teacher-password {
  font-size: 16px;
  padding: 6px 8px;
  width: 180px;
  margin-right: 6px;
}
#teacher-form button {
  font-size: 16px;
  padding: 7px 16px;
}
.next-link {
  display: inline-block;
  margin-left: 6px;
  background: #4d90fe;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  padding: 8px 10px;
  font-size: 15px;
}
.next-link[hidden] {
  display: none;
}

/* Sign painting */
.sign.painting .board {
  animation: sign-flash 1.6s ease-out;
}
.sign.painting .paint-clip,
.door.painting .paint-clip {
  transform-box: fill-box;
  transform-origin: left center;
  transform: scaleX(0);
  animation: paint-on 1.2s ease-in-out 0.45s forwards;
}
.sign.painting .brush,
.door.painting .brush {
  transform-box: fill-box;
  animation: brush-move 1.2s ease-in-out 0.45s forwards;
  opacity: 0;
}
.door.painting .brush-door {
  animation-name: brush-move-door;
}
.sign.painting .old-word {
  animation: old-fade 1.2s ease-in 0.45s forwards;
}
@keyframes brush-move-door {
  0% { transform: translateX(0); opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(28px); opacity: 0; }
}
.pip-walk {
  animation: pip-walk 0.45s ease-in-out;
}
@keyframes pip-walk {
  from { transform: translateX(var(--walk-from)); }
  to { transform: translateX(0); }
}
@keyframes paint-on {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
@keyframes brush-move {
  0% { transform: translateX(0); opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(126px); opacity: 0; }
}
@keyframes old-fade {
  from { opacity: 1; }
  to { opacity: 0; }
}
@keyframes sign-flash {
  0% { stroke: #6b5424; }
  20% { stroke: #ff9f1c; stroke-width: 6; }
  100% { stroke: #6b5424; }
}
/* Stamps and Route are card boards, so they get a wider panel. */
body.game-stamps #board-column,
body.game-route #board-column {
  flex-basis: 46%;
  max-width: 640px;
}
@media (max-width: 1100px) {
  #chat {
    flex-basis: 200px;
  }
}

/* Stamps */
.card-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 5px;
}
.change-card {
  background: #fffdf6;
  border: 1px solid #e6d7a2;
  border-radius: 8px;
  padding: 5px 7px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}
.change-card.here {
  outline: 2px solid #4d90fe;
}
.card-main {
  flex: 1 1 auto;
  min-width: 0;
}
.change-card header {
  padding: 0;
  font-weight: 700;
  font-size: 13px;
}
.change-card .diff {
  margin: 2px 0;
  font-size: 13px;
}
.change-card .facts,
.change-card .note {
  margin: 2px 0;
  color: #333;
}
.change-card .note {
  font-style: italic;
}
.fact {
  display: inline-block;
  border-radius: 8px;
  padding: 0 6px;
  margin: 1px 2px 1px 0;
  background: #eee;
  white-space: nowrap;
}
.fact.good { background: #dff3df; }
.fact.bad { background: #f8d9d9; }
.stamp {
  flex: none;
  display: inline-block;
  border: 2px solid #888;
  border-radius: 50%;
  padding: 4px 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
  max-width: 64px;
}
.stamp.yes {
  color: #177245;
  border-color: #177245;
  transform: rotate(-8deg);
}
.stamp.no {
  color: #a33;
  border-color: #a33;
  transform: rotate(8deg);
}
.stamp.empty {
  color: #888;
  border-style: dashed;
}
.pip-badge {
  display: block;
  margin-top: 6px;
  flex: none;
}

/* Route */
.route-card {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  background: #fff8dc;
  border: 2px solid #c4a35a;
  border-radius: 8px;
  padding: 4px 8px;
  margin-bottom: 4px;
  font-size: 13px;
}
.route-card .pip-badge {
  margin: 0;
}
.route-card h3 {
  margin: 0;
  font-size: 14px;
}
.route-card .stop {
  font-weight: 700;
}
.house h3,
.letter header {
  margin: 0 0 3px;
  font-size: 13px;
}
.house-row,
.letter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 4px;
}
.house,
.letter {
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 5px 7px;
  background: #fff;
  font-size: 12px;
}
.route-card .bag {
  margin-left: auto;
  color: #555;
}
.house {
  flex: 1 1 180px;
  max-width: 300px;
  padding: 4px 6px 5px;
}
.house-art {
  display: block;
  width: 100%;
  height: auto;
  max-height: 15vh;
  border-radius: 4px;
}
.house .house-facts {
  margin: 3px 0 0;
  color: #555;
}
.letter {
  flex: 1 1 150px;
  max-width: 260px;
}
.house p,
.letter p,
.letter li {
  margin: 1px 0;
}
.letter ol {
  margin: 2px 0;
  padding-left: 16px;
}
.pkg {
  margin-top: 2px;
  font-weight: 700;
}
.pkg.ok { color: #177245; }
.pkg.bag { color: #555; }
.pkg.trash, .pkg.shop { color: #a33; }
.letter header span {
  float: right;
  font-size: 11px;
  border-radius: 8px;
  padding: 1px 6px;
  background: #eee;
}
.tag-useful { background: #f3fff3; }
.tag-useful header span { background: #b7e4b7; }
.tag-old { background: #f6f6f6; }
.tag-bossy { background: #fff5f5; }
.tag-bossy header span { background: #f3b4b4; }
.letter.hot,
.hot-line {
  outline: 2px solid #4d90fe;
}

/* Blockly 13 opens the trash lid with the `rotate` property (Chrome 104+).
   Older Chrome gets the same motion through transform. */
@supports not (rotate: 1deg) {
  .blocklyTrashLid {
    transform: rotate(0deg);
    transition: transform 0.08s ease-out, opacity 0.08s ease-out;
  }
  .blocklyTrash.blocklyTrashFull .blocklyTrashLid {
    transform: rotate(5deg);
  }
  .blocklyTrash.blocklyTrashOpen .blocklyTrashLid,
  .blocklyTrash.blocklyTrashFull:hover .blocklyTrashLid,
  .blocklyTrash.blocklyTrashFull:focus .blocklyTrashLid {
    transform: rotate(45deg);
  }
}

/* Hub */
body.hub-page {
  overflow: auto;
  height: auto;
}
body.hub-page {
  background: #f3f8ec;
}
.hub {
  max-width: 760px;
  margin: 0 auto;
  padding: 14px 16px 16px;
}
.hub-head {
  display: flex;
  align-items: center;
}
.hub-pip {
  font-size: 46px;
  margin-right: 12px;
  line-height: 1;
}
.hub h1 {
  font-size: 32px;
  margin: 0;
}
.hub-tagline {
  margin: 2px 0 0;
  color: #5a6b4a;
  font-size: 16px;
}
.hub-intro {
  font-size: 17px;
  line-height: 1.4;
  margin: 10px 0 6px;
}

/* The path: stops zigzag left and right along a dashed trail. */
.path {
  list-style: none;
  margin: 0;
  padding: 6px 0 0;
  position: relative;
}
.path::before {
  content: '';
  position: absolute;
  top: 30px;
  bottom: 22px;
  left: 50%;
  margin-left: -4px;
  border-left: 8px dashed #c9a46b;
}
.path-stop {
  position: relative;
  display: flex;
  align-items: center;
  width: 50%;
  margin-bottom: 8px;
}
.path-stop:nth-child(odd) {
  flex-direction: row-reverse;
}
.path-stop:nth-child(even) {
  margin-left: 50%;
}
.path-badge {
  flex: none;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid #c9a46b;
  font-size: 30px;
  line-height: 58px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.path-stop:nth-child(odd) .path-badge {
  margin-right: -33px;
}
.path-stop:nth-child(even) .path-badge {
  margin-left: -33px;
}
.path-card {
  flex: 1 1 auto;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 12px;
  padding: 10px 14px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}
.path-stop:nth-child(odd) .path-card {
  margin-right: 16px;
}
.path-stop:nth-child(even) .path-card {
  margin-left: 16px;
}
.path-step {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8a6a35;
}
.path-card h2 {
  margin: 2px 0 4px;
  font-size: 22px;
}
.path-card p {
  line-height: 1.4;
  margin: 0 0 6px;
  font-size: 15px;
}
.path-progress {
  color: #666;
  font-size: 13px;
}
.path-card a.play {
  display: inline-block;
  background: #dd4b39;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  padding: 7px 12px;
}
.path-stop.is-next .path-badge {
  border-color: #dd4b39;
  box-shadow: 0 0 0 5px rgba(221, 75, 57, 0.18);
}
.path-stop.is-next .path-step::after {
  content: ' · Start here';
  color: #dd4b39;
}
.path-stop.is-done .path-badge {
  border-color: #2fbf71;
}
.path-stop.is-done .path-card a.play {
  background: #888;
}
.path-end {
  position: relative;
  z-index: 1;
  width: 50px;
  margin: 0 auto;
  font-size: 34px;
  text-align: center;
}
.hub-foot {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid #dde5d2;
  color: #777;
  font-size: 13px;
  text-align: center;
}
.hub-foot a {
  color: #5a7d3a;
}
@media (max-width: 620px) {
  .path::before {
    left: 33px;
  }
  .path-stop,
  .path-stop:nth-child(even) {
    width: auto;
    margin-left: 0;
    flex-direction: row;
  }
  .path-stop:nth-child(odd) {
    flex-direction: row;
  }
  .path-stop:nth-child(odd) .path-badge,
  .path-stop:nth-child(even) .path-badge {
    margin: 0;
  }
  .path-stop:nth-child(odd) .path-card,
  .path-stop:nth-child(even) .path-card {
    margin: 0 0 0 12px;
  }
  .path-end {
    margin: 0 0 0 8px;
  }
}
@media (max-width: 760px) {
  #play {
    flex-direction: column;
  }
  #board-column {
    flex: 0 0 50%;
    max-width: none;
    border-right: 0;
    border-bottom: 1px solid #eee;
  }
  #chat {
    flex: 0 0 120px;
    border-left: 0;
    border-top: 1px solid #e3e3e3;
  }
}