.croki-cover-image { position: relative; line-height: 0; container-type: inline-size; }
.croki-cover-image img { display: block; width: 100%; height: auto; }
.croki-cover-number { position: absolute; top: 63.5%; transform: translate(-50%, -50%); font: 800 8cqw/1 Library, 'Trebuchet MS', sans-serif; color: #405b3b; }
.croki-cover-number.cover-left { left: 19.4%; }
.croki-cover-number.cover-right { left: 80.7%; }
.catalog-view .card-art.croki-art { display: grid; align-items: center; background: #dff1d7; }
body.croki-game { background: #edf5e4; color: #345346; }
body.croki-game > .site-header, body.croki-game > footer { display: none; }
body.croki-game #app { width: calc(100% - 32px); max-width: 1100px; min-height: 100dvh; padding-bottom: 16px; margin-inline: auto; }
.croki-toolbar { display: grid; grid-template-columns: 145px minmax(0, 1fr) auto 48px; align-items: center; gap: 12px; padding: 10px 0; }
.croki-toolbar h1 { font: 800 20px/1.25 Library, 'Trebuchet MS', sans-serif; margin: 0 0 4px; color: #316b4b; }
.croki-toolbar span { font-size: 14px; color: #65745a; }
.croki-toolbar a { color: #3a7158; font-size: 15px; }
.croki-toolbar .secondary { padding: 8px 12px; font-size: 15px; }
.croki-toolbar .croki-sound { padding: 0; font-size: 22px; }
.croki-game button:focus-visible, .croki-game a:focus-visible { outline: 3px solid #c17a2d; outline-offset: 4px; }
.croki-game .croki-primary { background: #34865b; color: white; border: 2px solid #2b744f; min-height: 48px; padding: 10px 18px; box-shadow: 0 3px 0 #22583e; }
.croki-game .croki-primary:hover { background: #286e4c; }
.croki-game .secondary { color: #365d47; background: #fffefa; }
.croki-cover, .croki-finish { text-align: center; }
.croki-cover h1, .croki-finish h1 { font: 800 38px/1.2 Library, 'Trebuchet MS', sans-serif; max-width: none; color: #326e4c; margin: 20px 0 16px; }
.croki-cover > p, .croki-finish > p { max-width: 760px; margin: 0 auto 20px; }
.croki-cover > .croki-cover-image { max-width: 780px; margin: 24px auto 0; }
.croki-cover .croki-cover-meta { margin: 14px auto; font-size: 14px; }
.croki-instructions { padding: 24px; border: 1px solid #d4dfc4; border-radius: 8px; background: #fffefa; text-align: center; }
.croki-instructions h2 { font-size: 27px; color: #3d754e; }
.croki-instructions > p { max-width: 760px; margin: 14px auto; }
.croki-rule-examples { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 18px 0; }
.croki-rule-examples .croki-comparison { grid-template-columns: 1fr 80px 1fr; min-height: 150px; gap: 4px; }
.croki-rule-examples .croki-number { font-size: 34px; padding: 8px; }
.croki-rule-examples .croki-character { width: 75px; height: 75px; }
.croki-rule-examples .standard-sign { font-size: 30px; }
.croki-rule-examples p { font-size: 15px; margin: 8px 0 0; }
.croki-example > .croki-comparison { max-width: 650px; margin: auto; }
.croki-example .croki-sign-buttons { max-width: 650px; margin: 12px auto; }
.croki-example-message { min-height: 52px; font-size: 17px; }
.croki-equal-example { display: flex; align-items: center; justify-content: center; gap: 20px; margin: 18px auto; }
.croki-equal-example strong { font-size: 28px; white-space: nowrap; }
.croki-equal-example span { max-width: 330px; text-align: left; font-size: 16px; }
.croki-stages { list-style: none; display: flex; gap: 14px; margin: 0 0 12px; padding: 0; }
.croki-stages li { display: flex; gap: 8px; align-items: center; flex: 1; font-size: 14px; padding: 6px 8px; border-bottom: 3px solid #c9dabb; color: #687c58; }
.croki-stages li > span { display: grid; place-items: center; background: #dce8cc; width: 28px; height: 28px; border-radius: 50%; font-weight: 800; }
.croki-stages li.active { color: #32734b; border-color: #67a970; }
.croki-layout { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 16px; align-items: start; }
.croki-board { display: grid; grid-template-rows: auto minmax(300px, 1fr) 120px minmax(72px, auto); min-height: min(calc(100dvh - 150px), 590px); border: 1px solid #d1debf; border-radius: 8px; background: #fffefa; }
.croki-board > h2 { font-size: 24px; line-height: 1.3; margin: 0; padding: 18px 18px 6px; text-align: center; }
.croki-work { padding: 10px 18px 16px; align-content: center; min-width: 0; }
.croki-comparison { display: grid; grid-template-columns: minmax(0, 1fr) 150px minmax(0, 1fr); gap: 18px; align-items: center; min-height: 194px; }
.croki-number { background: #fff8df; border: 3px solid #c4b287; border-radius: 8px; padding: 14px 12px; color: #365948; font: 800 62px/1.15 Library, 'Trebuchet MS', sans-serif; text-align: center; white-space: nowrap; box-shadow: 0 4px 0 #e9dfbd; }
.croki-sign-model { display: grid; justify-items: center; align-content: center; min-width: 0; }
.croki-character { width: 125px; height: 125px; display: block; }
.standard-sign { font: 800 42px/1.1 Library, 'Trebuchet MS', sans-serif; min-width: 48px; color: #365948; text-align: center; }
.number-digit { display: inline-block; border-radius: 4px; }
.digit-lit { color: #355840; background: #ffe293; animation: croki-digit 1.4s ease-in-out; }
.number-digit + .digit-lit { animation-delay: .3s; }
.croki-sign-buttons { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
.croki-sign-button { display: flex; flex-direction: column; gap: 3px; padding: 6px 12px; min-height: 78px; color: #386449; border: 2px solid #cbdcc1; background: #fffefa; }
.croki-sign-button strong { font-size: 34px; line-height: 1; }
.croki-sign-button span { font-size: 15px; }
.croki-sign-button[aria-pressed='true'] { background: #e2f2d9; border-color: #3a8755; box-shadow: 0 0 0 2px #9cc68a; }
.croki-sign-button:disabled { opacity: 1; cursor: default; }
.croki-feedback { display: flex; align-items: center; background: #f1f6e9; padding: 12px 18px; border-block: 1px solid #d8e1cb; font-size: 16px; line-height: 1.45; }
.croki-feedback p { margin: 0; }
.croki-feedback.error { color: #9a5040; }
.croki-feedback.success { color: #32764c; }
.croki-actions { display: flex; align-items: center; align-content: center; flex-wrap: wrap; gap: 10px; padding: 10px 18px; }
.croki-actions .croki-primary { margin-left: auto; }
.croki-actions button { font-size: 16px; }
.croki-bridge-preview { padding: 16px 0; }
.croki-bridge-preview h2 { font-size: 19px; margin-bottom: 6px; }
.croki-bridge-preview p { font-size: 14px; margin-bottom: 12px; }
.croki-panorama, .croki-friends { display: block; width: 100%; height: auto; }
.croki-bridge-preview .croki-friends { width: 200px; max-width: 100%; margin: 12px auto; }
.croki-walkthrough { background: #fff8df; border-radius: 8px; padding: 16px; }
.croki-walkthrough h3 { font-size: 22px; margin-bottom: 10px; }
.croki-walkthrough ol { padding-left: 23px; margin: 8px 0 16px; font-size: 16px; }
.croki-walkthrough li { margin-bottom: 5px; }
.croki-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 24px 0; }
.croki-stats > div { display: grid; padding: 18px; border-radius: 8px; border: 1px solid #cedec0; background: #fffefa; }
.croki-stats strong { font-size: 38px; color: #3b8053; }
.croki-stats span { font-size: 15px; }
.croki-finish-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.croki-teacher { text-align: left; max-width: 650px; margin: 24px auto; border-block: 1px solid #cddbbf; padding: 10px; }
.croki-teacher summary { min-height: 48px; display: flex; align-items: center; cursor: pointer; font-weight: 700; }
.croki-teacher p { margin: 10px 0; }
.croki-dialog { background: #fffefa; color: #345346; padding: 24px; width: min(600px, calc(100% - 32px)); max-height: calc(100dvh - 32px); overflow: auto; border: 1px solid #c3d5b5; border-radius: 8px; }
.croki-dialog::backdrop { background: #2b473e66; }
.river-ripples { animation: river-flow 2.5s ease-in-out infinite alternate; }
.plank-added .bridge-plank { animation: plank-fit 1.2s ease-out; }
.bridge-milestone { animation: bridge-reveal 1.5s ease-out; }
.picnic-crossing { animation: picnic-arrival 1.8s ease-out; }
#croki-finished-bridge { position: relative; }
.croki-picnic-host { position: absolute; left: 8%; bottom: 8%; width: 13%; }
.croki-picnic-host .croki-character { width: 100%; height: auto; animation: croki-cheer 1.5s ease-in-out; }
.croki-board:has(.croki-feedback.success) .croki-character { animation: croki-cheer 1.2s ease-in-out; }
.croki-comparison > .croki-number:last-child .digit-lit { animation-delay: .35s; }
@keyframes croki-cheer { 25%, 75% { transform: translateY(-5px) rotate(-4deg); } 50% { transform: rotate(4deg); } }
@keyframes river-flow { to { transform: translateY(10px); } }
@keyframes plank-fit { from { opacity: 0; transform: translateY(-18px); } to { opacity: 1; } }
@keyframes bridge-reveal { 50% { filter: brightness(1.13); } }
@keyframes picnic-arrival { from { transform: translateX(-410px); } to { transform: translateX(0); } }
@keyframes croki-digit { 50% { background: #ffc956; } }
@media (max-width: 1000px) {
  .croki-layout { grid-template-columns: 1fr; gap: 8px; }
  .croki-bridge-preview { display: grid; grid-template-columns: 1fr 180px; gap: 4px 16px; align-items: center; padding: 6px 8px; }
  .croki-bridge-preview h2, .croki-bridge-preview > p { grid-column: 1; margin: 0; }
  .croki-bridge-preview > .croki-panorama { grid-column: 2; grid-row: 1 / 4; }
  .croki-bridge-preview .croki-friends { display: none; }
}
@media (max-width: 700px) {
  .croki-toolbar { grid-template-columns: minmax(0, 1fr) auto 48px; gap: 8px; }
  .croki-toolbar > div { grid-column: 1 / -1; grid-row: 2; }
  .croki-toolbar h1 { font-size: 19px; }
  .croki-toolbar a { font-size: 14px; justify-self: start; }
  .croki-stages { gap: 6px; margin-bottom: 8px; }
  .croki-stages li { font-size: 12px; gap: 5px; padding: 5px 0; }
  .croki-stages li > span { width: 24px; height: 24px; flex-shrink: 0; }
  .croki-board { min-height: 0; grid-template-rows: auto minmax(300px, 1fr) 168px minmax(72px, auto); }
  .croki-board > h2 { font-size: 21px; padding: 14px 12px 6px; }
  .croki-work { padding: 8px 12px 14px; }
  .croki-comparison { grid-template-columns: minmax(0, 1fr) 104px minmax(0, 1fr); gap: 8px; }
  .croki-number { font-size: 45px; padding: 12px 6px; }
  .croki-character { width: 100px; height: 100px; }
  .croki-feedback { padding: 10px 12px; font-size: 16px; }
  .croki-actions { padding: 10px 12px; gap: 8px; }
  .croki-actions button { font-size: 15px; padding: 10px 12px; }
  .croki-cover h1, .croki-finish h1 { font-size: 30px; }
  .croki-instructions { padding: 20px 14px; }
  .croki-instructions h2 { font-size: 24px; }
  .croki-rule-examples { grid-template-columns: 1fr; }
  .croki-rule-examples > div { border-bottom: 1px solid #d7e3c7; padding-bottom: 12px; }
  .croki-rule-examples .croki-comparison { max-width: 350px; margin: auto; }
  .croki-equal-example { flex-direction: column; gap: 8px; }
  .croki-equal-example span { text-align: center; }
}
@media (max-width: 400px) {
  body.croki-game #app { width: calc(100% - 24px); }
  .croki-comparison { grid-template-columns: minmax(0, 1fr) 88px minmax(0, 1fr); gap: 6px; }
  .croki-number { font-size: 39px; padding-inline: 4px; }
  .croki-character { width: 86px; height: 96px; }
  .croki-sign-buttons { gap: 8px; }
  .croki-sign-button { padding-inline: 4px; }
  .croki-sign-button span { font-size: 13px; }
  .croki-bridge-preview { grid-template-columns: 1fr 130px; gap: 4px 8px; }
  .croki-bridge-preview h2 { font-size: 16px; }
  .croki-bridge-preview p { font-size: 12px; }
  .croki-stats { grid-template-columns: 1fr; }
  .croki-stats > div { display: flex; align-items: center; gap: 20px; text-align: left; padding: 12px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .croki-game *, .croki-game *:before, .croki-game *:after { animation: none !important; transition: none !important; }
}