/* Completion modal */
#winModal {
    position: fixed;
    inset: 0;
    z-index: 1400;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    min-height: 100dvh;
    padding: 20px;
    box-sizing: border-box;
    background: rgb(30 30 30 / 42%);
    animation: infer-overlay-in 160ms ease both;
}

.win-content {
    position: relative;
    width: min(520px, 100%);
    padding: clamp(28px, 6vw, 46px);
    box-sizing: border-box;
    overflow: hidden;
    color: var(--menu-text, #252525);
    text-align: center;
    background: var(--menu-bg, #fffdf7);
    border: 2px solid var(--divider-color, #b9b5ab);
    border-radius: 0;
    box-shadow: none;
    animation: infer-modal-in 180ms ease-out both;
}

.win-completion-mark {
    display: grid;
    place-items: center;
    width: 62px;
    height: 62px;
    margin: 0 auto 20px;
    color: var(--button-text, #fff);
    background: var(--button-bg, #3d7563);
    border: 2px solid var(--button-bg, #3d7563);
    border-radius: 0;
    box-shadow: none;
    font-size: 1.5rem;
    font-weight: 850;
    line-height: 1;
}

.win-completion-mark svg {
    width: 34px;
    height: 34px;
}

.win-completion-mark path {
    stroke: currentColor;
    stroke-width: 4;
    stroke-linecap: square;
    stroke-linejoin: miter;
}

.win-title {
    margin: 0 0 24px;
    font-size: clamp(1.5rem, 5vw, 2rem);
    line-height: 1.15;
}

.win-close {
    position: absolute;
    top: 12px;
    right: 12px;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    color: var(--menu-text, #252525);
    background: transparent;
    border: 1px solid var(--divider-color, #b9b5ab);
    border-radius: 0;
    box-shadow: none;
    font: inherit;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
}

.win-close:hover { background: var(--surface-2, #efede6); }

.win-close:focus-visible,
.win-primary:focus-visible,
.win-secondary:focus-visible,
.win-register:focus-visible,
.win-upsell-continue:focus-visible {
    outline: 3px solid var(--focus-ring, #267a63);
    outline-offset: 3px;
}

.win-result-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    width: 100%;
    margin: 0 0 24px;
}

.win-result-card {
    display: flex;
    min-width: 0;
    min-height: 82px;
    padding: 14px 9px;
    box-sizing: border-box;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 7px;
    background: var(--history-block-bg, #f7f4ec);
    border: 1px solid var(--divider-color, #b9b5ab);
    border-radius: 0;
    box-shadow: none;
}

.win-result-label {
    color: var(--secondary-text, #67645e);
    font-size: .68rem;
    font-weight: 750;
    line-height: 1.2;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.win-result-value {
    max-width: 100%;
    overflow: hidden;
    color: var(--menu-text, #252525);
    font-size: clamp(1rem, 4vw, 1.3rem);
    font-weight: 850;
    font-variant-numeric: tabular-nums;
    line-height: 1.15;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.win-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    width: 100%;
}

.win-primary { grid-column: 1 / -1; }
.win-primary.hidden { display: none; }

.win-primary,
.win-secondary {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 50px;
    padding: 12px 18px;
    border-radius: 0;
    box-shadow: none;
    font: inherit;
    font-size: .92rem;
    font-weight: 800;
    cursor: pointer;
}

.win-primary {
    color: var(--button-text, #fff);
    background: var(--button-bg, #3d7563);
    border: 1px solid var(--button-bg, #3d7563);
}

.win-secondary {
    color: var(--menu-text, #252525);
    background: transparent;
    border: 1px solid var(--divider-color, #b9b5ab);
}

.win-primary:hover { filter: brightness(.92); }
.win-secondary:hover { background: var(--surface-2, #efede6); }

.win-secondary:disabled {
    color: var(--secondary-text, #67645e);
    background: var(--surface-2, #efede6);
    cursor: not-allowed;
    opacity: .65;
}

.win-share-feedback {
    min-height: 1.4em;
    margin: 12px 0 0;
    color: var(--secondary-text, #67645e);
    font-size: .8rem;
    line-height: 1.4;
}

.win-account-upsell {
    display: grid;
    gap: 8px;
    margin-top: 18px;
    padding: 16px;
    text-align: left;
    background: var(--history-block-bg, #f7f4ec);
    border: 1px solid var(--divider-color, #b9b5ab);
}

.win-account-upsell.hidden { display: none; }

.win-account-upsell-title {
    color: var(--menu-text, #252525);
    font-size: 1rem;
    line-height: 1.25;
}

.win-account-upsell p {
    margin: 0;
    color: var(--secondary-text, #67645e);
    font-size: .88rem;
    line-height: 1.45;
}

.win-account-upsell-score {
    color: var(--menu-text, #252525) !important;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.win-account-upsell-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 4px;
}

.win-register,
.win-upsell-continue {
    min-height: 48px;
    padding: 11px 16px;
    border-radius: 0;
    box-shadow: none;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.win-register {
    color: var(--button-text, #fff);
    background: var(--button-bg, #3d7563);
    border: 1px solid var(--button-bg, #3d7563);
}

.win-upsell-continue {
    color: var(--menu-text, #252525);
    background: transparent;
    border: 1px solid var(--divider-color, #b9b5ab);
}

.win-register:hover { filter: brightness(.92); }
.win-upsell-continue:hover { background: var(--surface-2, #efede6); }

.win-copy-fallback {
    position: fixed;
    left: -10000px;
    width: 1px;
    height: 1px;
}

.win-leaderboard-mount:empty { display: none; }

.win-leaderboard-mount:not(:empty) {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--divider-color, #b9b5ab);
    text-align: left;
}

/* Solver preview uses both shape and color. */
.cell.solver-block::after {
    content: '';
    position: absolute;
    inset: 2px;
    z-index: 2;
    background: rgb(214 139 53 / 48%);
    border: 1px solid #9e6522;
    border-radius: 0;
    box-shadow: none;
    pointer-events: none;
}

.cell.solver-x::before,
.cell.solver-x::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 3;
    width: 54%;
    height: max(2px, 8%);
    background: #277667;
    border-radius: 0;
    box-shadow: none;
    pointer-events: none;
}

.cell.solver-x::before { transform: translate(-50%, -50%) rotate(45deg); }
.cell.solver-x::after { transform: translate(-50%, -50%) rotate(-45deg); }
.solution-mark { pointer-events: none; }

@keyframes infer-overlay-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes infer-modal-in {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
    #winModal { align-items: flex-end; padding: 8px; }
    .win-content { padding: 30px 20px 20px; }
    .win-close { top: 8px; right: 8px; }
    .win-result-grid { gap: 6px; }
    .win-result-card { min-height: 74px; padding: 11px 6px; }
    .win-result-label { font-size: .61rem; letter-spacing: .05em; }
    .win-actions { grid-template-columns: 1fr; }
    .win-primary { grid-column: auto; }
    .win-account-upsell-actions { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    #winModal,
    .win-content { animation-duration: 1ms; }
}