.sdl-difficulty-card,
.sdl-game-card {
    align-items: flex-start;
    text-align: center;
    gap: var(--spacing-lg);
    padding: 0;
}

.sdl-difficulty-list {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.sdl-status {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: flex-start;
    color: white;
    width: 100%;
}

.sdl-timer,
.sdl-progress {
    margin: 0;
    font-size: var(--font-size-md);
    font-weight: 600;
}

.sdl-reveal-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    user-select: none;
}

.sdl-reveal-toggle-input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.sdl-reveal-toggle-slider {
    position: relative;
    width: 40px;
    height: 22px;
    flex-shrink: 0;
    border-radius: var(--radius-lg);
    background-color: #ababab;
    transition: background-color var(--transition-fast);
}

.sdl-reveal-toggle-slider::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

.sdl-reveal-toggle-input:checked + .sdl-reveal-toggle-slider {
    background-color: var(--color-primary);
}

.sdl-reveal-toggle-input:checked + .sdl-reveal-toggle-slider::before {
    transform: translateX(18px);
}

.sdl-reveal-toggle-input:focus-visible + .sdl-reveal-toggle-slider {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.sdl-layout {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    width: 100%;
    justify-content: flex-start;
    align-items: flex-start;
}

.sdl-board {
    display: grid;
    grid-template-columns: repeat(var(--sdl-columns), minmax(28px, 40px));
    gap: 2px;
    touch-action: none;
    user-select: none;
    -webkit-touch-callout: none;
}

.sdl-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-surface);
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text);
    padding: 0;
    -webkit-touch-callout: none;
}

.sdl-cell.is-selecting {
    background-color: var(--word-search-selection-color);
}

.sdl-cell.is-found {
    background-color: var(--color-secondary);
    color: #fff;
    border-color: var(--color-secondary);
}

.sdl-cell.is-found-multiple {
    box-shadow: inset 0 0 0 3px #ffc6a1;
}

.sdl-cell.is-revealed:not(.is-found):not(.is-selecting) {
    background-color: var(--color-reveal-hint);
}

.sdl-word-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-width: 160px;
    text-align: left;
}

.sdl-word {
    font-size: var(--font-size-md);
    color: var(--color-surface);
}

.sdl-word.is-found {
    color: var(--color-secondary);
    text-decoration: line-through;
}

.sdl-end-actions {
    display: flex;
    gap: var(--spacing-sm);
}

@media (max-width: 600px) {
    .sdl-layout {
        flex-direction: column;
        align-items: center;
    }

    .sdl-board {
        grid-template-columns: repeat(var(--sdl-columns), minmax(24px, 32px));
    }
}