/* Games played right inside the activities page (js/play-here.js). */

.play-here {
    position: relative;
    padding: 4rem 0 3.5rem;
}
.play-here-shop {
    background: linear-gradient(180deg, #fff1d6 0%, #fffaf0 100%);
}
.play-here-pyramid {
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    color: white;
}

.play-here-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 1.75rem;
    padding: 0 1rem;
}
.play-here-badge {
    display: inline-block;
    margin-bottom: 0.9rem;
    padding: 0.35rem 0.95rem;
    border-radius: 50px;
    background: #7c3aed;
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.play-here-head h2 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    line-height: 1.15;
}
.play-here-head p {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.55;
    opacity: 0.8;
}

.play-here-stage {
    position: relative;
    margin: 0 auto;
    padding: 0 1rem;
}
/* Big, but each screen still fits under the sticky site header (~70px): the
   shop picture is 1.07 wide to 1 tall, and the counter (cropped to 1.75 to 1,
   below) plus the wallet under it come to about 0.78 of the width + 112px.
   School laptops show about 650px, so the counter is the one that binds. */
.play-here-shop .play-here-stage {
    max-width: max(22rem, min(940px, calc((100vh - 86px) * 1.073 + 2rem), calc((100vh - 198px) * 1.28 + 2rem)));
}
.play-here-shop .mshop-counter-image {
    aspect-ratio: 1.75;
    object-fit: cover;
    object-position: center 75%;   /* trims the shelf at the top, keeps the counter */
}
/* The shop picture is a backdrop for the deal cards: they sit a little low,
   clear of the shopkeeper's speech. */
.play-here-shop .mshop-deal-overlay {
    top: 57%;
}
.play-here-shop .mshop-deal-view .mshop-speech-overlay {
    max-width: 62%;
}
.play-here-shop .play-here-game {
    container-type: inline-size;
}
.play-here-shop .mshop-activity {
    padding: 0;
}
.play-here-shop .mshop-scene,
.play-here-shop .mshop-payment-scene {
    box-shadow: 0 16px 48px rgba(146, 64, 14, 0.18);
}

/* The two deal cards stay side by side and shrink with the shop. */
.play-here-shop .mshop-deal-cards {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: min(1.5rem, 3cqw);
}
.play-here-shop .mshop-deal-card {
    width: min(260px, 40cqw);
    min-height: min(200px, 34cqw);
    padding: min(1.75rem, 4cqw) min(1.5rem, 3cqw);
}
.play-here-shop .mshop-deal-card-visual,
.play-here-shop .mshop-bxgf-items {
    font-size: clamp(1.15rem, 4.6cqw, 1.8rem);
}
.play-here-shop .mshop-deal-card-price {
    font-size: clamp(0.9rem, 3.2cqw, 1.15rem);
}

/* Notes and coins, in the wallet and on the counter, scale with the game. */
.play-here-shop .mshop-money-piece.note {
    width: clamp(140px, 21.5cqw, 215px);
    height: auto;
    aspect-ratio: 215 / 108;
}
.play-here-shop .mshop-money-piece.coin-2 { width: clamp(52px, 10.2cqw, 102px); height: auto; aspect-ratio: 1; }
.play-here-shop .mshop-money-piece.coin-1 { width: clamp(47px, 9cqw, 90px); height: auto; aspect-ratio: 1; }
.play-here-shop .mshop-money-piece.coin-50 { width: clamp(44px, 8.3cqw, 83px); height: auto; aspect-ratio: 1; }
.play-here-shop .mshop-money-piece.coin-20 { width: clamp(40px, 7.4cqw, 74px); height: auto; aspect-ratio: 1; }
.play-here-shop .mshop-money-piece.coin-10 { width: clamp(37px, 6.6cqw, 66px); height: auto; aspect-ratio: 1; }
.play-here-shop .mshop-deal-card:focus-visible,
.play-here-shop .mshop-money-piece:focus-visible {
    outline: 3px solid #2563eb;
    outline-offset: 3px;
}

/* Until the game arrives: a calm placeholder the shape of the shop. */
.play-here-placeholder {
    aspect-ratio: 1286 / 1198;
    border-radius: 16px;
    background: linear-gradient(110deg, #fde7bf 30%, #fff4dc 50%, #fde7bf 70%);
    background-size: 200% 100%;
    animation: playHereShimmer 1.6s linear infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #92400e;
    font-weight: 600;
}
.play-here.ready .play-here-placeholder,
.play-here.failed .play-here-placeholder {
    display: none;
}
.play-here-failed {
    display: none;
    padding: 2rem 1rem;
    text-align: center;
}
.play-here.failed .play-here-failed {
    display: block;
}
@keyframes playHereShimmer {
    from { background-position: 100% 0; }
    to { background-position: -100% 0; }
}

.play-here-foot {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.75;
}
.play-here-foot a {
    color: inherit;
    font-weight: 600;
}

/* ---- The card over a finished round ---- */
.play-here-done {
    position: absolute;
    inset: 0 1rem;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(3px);
    opacity: 0;
    transition: opacity 0.35s ease;
}
.play-here-done.show {
    opacity: 1;
}
/* display: flex above would otherwise beat the hidden attribute and leave an
   invisible card on top of the game, swallowing every click. */
.play-here-done[hidden] {
    display: none;
}
.play-here-done-card {
    max-width: 440px;
    margin: 1rem;
    padding: 1.75rem 1.75rem 1.4rem;
    border-radius: 18px;
    background: white;
    color: #1f2937;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}
.play-here-done-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.6rem;
}
.play-here-done-card p {
    margin: 0 0 1.25rem;
    color: #4b5563;
    line-height: 1.5;
}
.play-here-done-card .play-here-done-why {
    margin-bottom: 0.75rem;
    color: #1f2937;
}
.play-here-done-card .play-here-done-more {
    font-size: 0.9rem;
}
.play-here-cta {
    display: inline-block;
    padding: 0.8rem 1.6rem;
    border-radius: 50px;
    background: linear-gradient(180deg, #ffd43b, #fab005);
    box-shadow: 0 4px 0 #d9930d;
    color: #3b2a00;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s ease;
}
.play-here-cta:hover {
    transform: translateY(-2px);
}
.play-here-done-links {
    margin-top: 1rem;
    font-size: 0.9rem;
}
.play-here-done-links a,
.play-here-again {
    color: #4f46e5;
    font-weight: 600;
    text-decoration: none;
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    cursor: pointer;
}

/* ---- Sum Pyramid ---- */
.pyr-board {
    max-width: 640px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    --pyr-cell-w: 96px;
    --pyr-cell-h: 82px;
}
/* Integers / Algebra / Challenge */
.pyr-levels {
    display: inline-flex;
    gap: 4px;
    padding: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
}
.pyr-levels button {
    padding: 0.5rem 1.1rem;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    font: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}
.pyr-levels button:hover {
    background: rgba(255, 255, 255, 0.12);
    color: white;
}
.pyr-levels button[aria-pressed="true"] {
    background: #7c3aed;
    color: white;
}

/* Algebra: wider bricks for answers like 3x − 2, and x and + on the keypad. */
.pyr-board.algebra {
    --pyr-cell-w: 128px;
}
.pyr-board.algebra .pyr-cell {
    font-size: 1.3rem;
}
.pyr-keypad .pyr-alg {
    display: none;
}
.pyr-board.algebra .pyr-keypad {
    grid-template-columns: repeat(4, 64px);
}
.pyr-board.algebra .pyr-keypad .pyr-alg {
    display: block;
}

/* The rows are in the page bottom-up (so Tab follows the working order);
   column-reverse stacks them the right way up. */
.pyr-pyramid {
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    gap: 8px;
}
.pyr-row {
    display: flex;
    justify-content: center;
    gap: 8px;
}
.pyr-cell {
    width: var(--pyr-cell-w);
    height: var(--pyr-cell-h);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font: inherit;
    font-size: 1.9rem;
    font-weight: 700;
    color: white;
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.pyr-cell.seed {
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.4);
}
/* Empty bricks are real text boxes. */
input.pyr-cell {
    -webkit-appearance: none;
    appearance: none;
    box-sizing: border-box;
    margin: 0;
    padding: 0 4px;
    min-width: 0;
    text-align: center;
    caret-color: #c4b5fd;
}
.pyr-cell.input {
    background: rgba(255, 255, 255, 0.05);
    border: 2px dashed rgba(124, 58, 237, 0.6);
    cursor: text;
}
.pyr-cell.input:hover {
    border-color: #7c3aed;
    background: rgba(124, 58, 237, 0.12);
}
.pyr-cell.input:focus {
    outline: none;
    border-style: solid;
    border-color: #a78bfa;
    background: rgba(124, 58, 237, 0.22);
    box-shadow: 0 0 22px rgba(124, 58, 237, 0.45);
}
.pyr-cell.input.solved,
.pyr-cell.input.solved:focus {
    border-style: solid;
    border-color: rgba(34, 197, 94, 0.75);
    background: rgba(34, 197, 94, 0.18);
    box-shadow: none;
    cursor: default;
}
.pyr-cell.input.wrong {
    border-style: solid;
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.15);
    animation: pyrShake 0.45s ease;
}
.pyr-pyramid.won .pyr-cell {
    border-color: rgba(34, 197, 94, 0.85);
    box-shadow: 0 0 18px rgba(34, 197, 94, 0.35);
}
@keyframes pyrShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}
@media (prefers-reduced-motion: reduce) {
    .pyr-cell.input.wrong { animation: none; }
    .play-here-placeholder { animation: none; }
}

.pyr-message {
    min-height: 1.6em;
    margin: 0;
    text-align: center;
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
}
.pyr-message.good { color: #86efac; }
.pyr-message.bad { color: #fca5a5; }

.pyr-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}
.pyr-actions button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 48px;
    padding: 0 1.4rem;
    border-radius: 12px;
    font: inherit;
    font-size: 1.05rem;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: background 0.15s ease;
}
.pyr-actions .pyr-check {
    background: #7c3aed;
    border: 1px solid #7c3aed;
}
.pyr-actions .pyr-check:hover {
    background: #6d28d9;
}
.pyr-actions .pyr-pad-toggle {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.25);
}
.pyr-actions .pyr-pad-toggle:hover,
.pyr-actions .pyr-pad-toggle[aria-expanded="true"] {
    background: rgba(255, 255, 255, 0.16);
}

.pyr-keypad {
    display: grid;
    grid-template-columns: repeat(3, 72px);
    gap: 8px;
}
/* display: grid above would otherwise beat the hidden attribute. */
.pyr-keypad[hidden] {
    display: none;
}
.pyr-keypad button {
    height: 52px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.08);
    color: white;
    font: inherit;
    font-size: 1.35rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease;
}
.pyr-keypad button:hover {
    background: rgba(255, 255, 255, 0.16);
}
.pyr-keypad button:active {
    background: rgba(124, 58, 237, 0.35);
}

/* On a phone the shop picture is only a backdrop: the speech, the badge and
   the cards stack in order, so a long line or a tall card never overlaps. */
@media (max-width: 600px) {
    .play-here-shop .mshop-deal-view .mshop-scene {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.9rem;
        min-height: calc((100vw - 1.5rem) * 1198 / 1286);
        padding: 0.9rem 0.75rem 1.25rem;
    }
    .play-here-shop .mshop-deal-view .mshop-bg-image {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .play-here-shop .mshop-deal-view .mshop-speech-overlay {
        position: relative;
        top: auto;
        left: auto;
        max-width: none;
        align-self: stretch;
    }
    .play-here-shop .mshop-deal-overlay {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        width: 100%;
        margin: auto 0;
    }
}

@media (max-width: 640px) {
    .play-here {
        padding: 2.75rem 0 2.5rem;
    }
    .play-here-head p {
        font-size: 1rem;
    }
    .play-here-stage {
        padding: 0 0.75rem;
    }
    .play-here-done {
        inset: 0 0.75rem;
    }
    .pyr-board {
        --pyr-cell-w: min(76px, calc((100vw - 48px) / 4));
        --pyr-cell-h: 64px;
    }
    .pyr-cell {
        font-size: 1.45rem;
    }
    .pyr-keypad {
        grid-template-columns: repeat(3, 64px);
    }
    .pyr-keypad button {
        height: 48px;
    }
    /* Algebra answers need the whole width; 16px keeps iPhones from zooming. */
    .pyr-board.algebra {
        --pyr-cell-w: calc((100vw - 48px) / 4);
    }
    .pyr-board.algebra .pyr-cell {
        font-size: 1rem;
    }
    .pyr-levels button {
        padding: 0.45rem 0.85rem;
        font-size: 0.9rem;
    }
}