.shape-sorter-page { --shape-sorter-line: color-mix(in oklab, var(--color-base-content) 14%, transparent); --shape-sorter-ink: var(--color-base-content); }
.shape-sorter-page.is-playing .shape-sorter__content { max-width: 100rem; padding-top: clamp(1rem, 2vw, 2rem); padding-bottom: clamp(2rem, 4vw, 4rem); }
.shape-sorter-page.is-playing .shape-sorter__hero { display: none; }
.shape-sorter__hero-card { min-height: 22rem; overflow: hidden; border-radius: var(--radius-box); padding: clamp(1.5rem, 3vw, 2rem); background: linear-gradient(145deg, var(--color-neutral), color-mix(in oklab, var(--color-neutral) 68%, var(--color-secondary))); color: var(--color-neutral-content); box-shadow: 0 1rem 2rem color-mix(in oklab, var(--color-neutral) 20%, transparent); }
.shape-sorter__hero-mark { font-size: 4.5rem; line-height: 1; }
.shape-sorter__wander-card { display: block; min-height: 15rem; width: 100%; border: 1px solid color-mix(in oklab, var(--color-primary) 28%, var(--shape-sorter-line)); border-radius: var(--radius-box); padding: clamp(1.25rem, 3vw, 2rem); background: color-mix(in oklab, var(--color-primary) 7%, var(--color-base-100)); color: var(--shape-sorter-ink); transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease; }
.shape-sorter__wander-card:hover { border-color: var(--color-primary); transform: translateY(-.12rem); box-shadow: 0 .9rem 2rem color-mix(in oklab, var(--color-primary) 12%, transparent); }
.shape-sorter__wander-mark { display: inline-flex; width: 3.5rem; height: 3.5rem; align-items: center; justify-content: center; border-radius: var(--radius-box); background: var(--color-primary); color: var(--color-primary-content); font-size: 1.35rem; font-weight: 900; }
.shape-sorter__mode-grid { display: grid; gap: .8rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.shape-sorter__mode-button { display: flex; width: 100%; min-height: 9rem; align-items: center; gap: .8rem; border: 1px solid var(--shape-sorter-line); border-radius: var(--radius-field); padding: .9rem; background: var(--color-base-100); color: var(--shape-sorter-ink); text-align: left; transition: border-color 150ms ease, background-color 150ms ease, transform 150ms ease; }
.shape-sorter__mode-button:hover { border-color: var(--color-secondary); background: color-mix(in oklab, var(--color-secondary) 6%, var(--color-base-100)); transform: translateX(.1rem); }
.shape-sorter__mode-mark { display: inline-flex; min-width: 3.4rem; height: 3.4rem; flex: 0 0 auto; align-items: center; justify-content: center; border-radius: var(--radius-field); background: color-mix(in oklab, var(--color-primary) 15%, transparent); color: var(--color-primary); font-size: .95rem; font-weight: 900; }
.shape-sorter__mode-button.secondary .shape-sorter__mode-mark { background: color-mix(in oklab, var(--color-secondary) 15%, transparent); color: var(--color-secondary); }
.shape-sorter__mode-button.accent .shape-sorter__mode-mark { background: color-mix(in oklab, var(--color-accent) 15%, transparent); color: var(--color-accent); }
.shape-sorter__mode-arrow { font-size: 1.25rem; color: color-mix(in oklab, var(--shape-sorter-ink) 45%, transparent); }
.shape-sorter__game-topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--shape-sorter-line); padding-bottom: 1rem; }
.shape-sorter__untimed { border: 1px solid color-mix(in oklab, var(--color-secondary) 35%, var(--shape-sorter-line)); border-radius: 999px; padding: .42rem .75rem; background: color-mix(in oklab, var(--color-secondary) 10%, var(--color-base-100)); color: color-mix(in oklab, var(--color-secondary) 34%, var(--shape-sorter-ink)); font-size: .8rem; font-weight: 800; white-space: nowrap; }
.shape-sorter__progress { height: .45rem; margin-top: 1rem; overflow: hidden; border-radius: 999px; background: var(--color-base-200); }
.shape-sorter__progress span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--color-secondary), var(--color-primary)); transition: width 180ms ease; }
.shape-sorter__stage { min-height: clamp(32rem, 64vh, 46rem); margin-top: 1.5rem; border: 1px solid var(--shape-sorter-line); border-radius: var(--radius-box); padding: clamp(1.25rem, 5vw, 4rem); background: linear-gradient(180deg, color-mix(in oklab, var(--color-secondary) 6%, var(--color-base-100)), var(--color-base-100) 13rem); color: var(--shape-sorter-ink); box-shadow: 0 1rem 2.5rem color-mix(in oklab, var(--color-neutral) 10%, transparent); }
.shape-sorter__stage:focus { outline: 3px solid var(--color-primary); outline-offset: 3px; }
.shape-sorter__prompt { max-width: 60rem; margin: 0 auto; text-align: center; }
.shape-sorter__challenge-title { max-width: 50rem; margin: .65rem auto 0; }
.shape-sorter__instruction { max-width: 42rem; margin: .85rem auto 0; color: color-mix(in oklab, var(--shape-sorter-ink) 65%, transparent); }
.shape-sorter__hero-shape { display: flex; justify-content: center; margin: 2rem auto 0; }
.shape-sorter__drawing { overflow: visible; }
.shape-sorter__outline { fill: color-mix(in oklab, var(--color-primary) 55%, white); stroke: var(--shape-sorter-ink); stroke-width: 3.2; stroke-linejoin: round; }
.shape-sorter__drawing.is-fill-1 .shape-sorter__outline { fill: color-mix(in oklab, var(--color-secondary) 55%, white); }
.shape-sorter__drawing.is-fill-2 .shape-sorter__outline { fill: color-mix(in oklab, var(--color-accent) 55%, white); }
.shape-sorter__drawing.is-fill-3 .shape-sorter__outline { fill: color-mix(in oklab, var(--color-primary) 35%, var(--color-secondary)); }
.shape-sorter__drawing.is-fill-4 .shape-sorter__outline { fill: color-mix(in oklab, var(--color-accent) 40%, var(--color-primary)); }
.shape-sorter__board { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .85rem; max-width: 36rem; margin: 2rem auto 0; }
.shape-sorter__tile { display: flex; min-height: 7.5rem; align-items: center; justify-content: center; border: 1px solid var(--shape-sorter-line); border-radius: var(--radius-field); background: var(--color-base-100); transition: border-color 150ms ease, background-color 150ms ease, transform 150ms ease; }
.shape-sorter__tile:hover:not(:disabled) { border-color: var(--color-primary); transform: translateY(-.08rem); }
.shape-sorter__tile[data-state="found"] { border-color: color-mix(in oklab, var(--color-success) 55%, var(--shape-sorter-line)); background: color-mix(in oklab, var(--color-success) 10%, var(--color-base-100)); }
.shape-sorter__tile[data-state="incorrect"] { border-color: color-mix(in oklab, var(--color-error) 55%, var(--shape-sorter-line)); background: color-mix(in oklab, var(--color-error) 8%, var(--color-base-100)); opacity: .7; }
.shape-sorter__choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; max-width: 42rem; margin: 2rem auto 0; }
.shape-sorter__choice-grid.is-numbers { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.shape-sorter__choice { display: flex; min-height: 4.5rem; align-items: center; justify-content: center; border: 1px solid var(--shape-sorter-line); border-radius: var(--radius-field); background: var(--color-base-100); color: var(--shape-sorter-ink); font-size: clamp(1rem, 2.5vw, 1.25rem); font-weight: 900; transition: border-color 150ms ease, background-color 150ms ease, transform 150ms ease; }
.shape-sorter__choice:hover:not(:disabled) { border-color: var(--color-primary); background: color-mix(in oklab, var(--color-primary) 7%, var(--color-base-100)); transform: translateY(-.1rem); }
.shape-sorter__choice[data-state="incorrect"] { border-color: color-mix(in oklab, var(--color-error) 55%, var(--shape-sorter-line)); background: color-mix(in oklab, var(--color-error) 8%, var(--color-base-100)); }
.shape-sorter__choice:disabled, .shape-sorter__tile:disabled { cursor: default; }
.shape-sorter__answer-panel { max-width: 52rem; margin: 2rem auto 0; border: 1px solid color-mix(in oklab, var(--color-success) 32%, var(--shape-sorter-line)); border-radius: var(--radius-box); padding: 1.25rem; background: color-mix(in oklab, var(--color-success) 7%, var(--color-base-100)); text-align: center; }
.shape-sorter__answer-copy { margin: .75rem auto 1.1rem; max-width: 42rem; line-height: 1.5; }
.shape-sorter__pause-notice { margin-top: 1.5rem; border: 1px dashed color-mix(in oklab, var(--color-secondary) 40%, var(--shape-sorter-line)); border-radius: var(--radius-field); padding: 1rem; background: color-mix(in oklab, var(--color-secondary) 7%, var(--color-base-100)); text-align: center; }
.shape-sorter__feedback { min-height: 2rem; margin: 1rem auto 0; max-width: 54rem; color: color-mix(in oklab, var(--shape-sorter-ink) 72%, transparent); text-align: center; }
.shape-sorter__feedback[data-state="correct"] { color: var(--color-success); font-weight: 750; }
.shape-sorter__feedback[data-state="incorrect"] { color: var(--color-error); font-weight: 700; }
.shape-sorter__results-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 1rem; max-width: 54rem; margin-inline: auto; }
.shape-sorter__result-card { min-height: 9rem; border: 1px solid var(--shape-sorter-line); border-radius: var(--radius-box); padding: 1.25rem; background: var(--color-base-100); text-align: center; }
.shape-sorter__result-card strong { display: block; margin-top: .55rem; color: var(--color-primary); font-size: 2rem; font-weight: 900; }
.shape-sorter__game.is-paused .shape-sorter__stage { opacity: .6; }
.shape-sorter__mode-button:focus-visible, .shape-sorter__wander-card:focus-visible, .shape-sorter__choice:focus-visible, .shape-sorter__tile:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }
@media (max-width: 720px) {
  .shape-sorter__mode-grid { grid-template-columns: 1fr; }
  .shape-sorter__stage { min-height: 30rem; padding: 1.25rem; }
  .shape-sorter__game-topbar { align-items: flex-start; }
  .shape-sorter__choice-grid.is-numbers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shape-sorter__board { gap: .55rem; }
  .shape-sorter__tile { min-height: 5.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  .shape-sorter__wander-card, .shape-sorter__mode-button, .shape-sorter__choice, .shape-sorter__tile, .shape-sorter__progress span { transition: none; }
}