/* Sayılarla Boyama (Pixel Art / Color by Number) Stilleri */

.sbn-wrap {
    display: flex;
    justify-content: center;
    padding: 0.4rem;
}

.sbn-grid {
    --sbn-w: clamp(280px, 92vw, 380px);
    display: grid;
    gap: 2px;
    width: var(--sbn-w);
    padding: 3px;
    background: #BDBDBD;
    border: 3px solid #9E9E9E;
    border-radius: 10px;
    touch-action: none;
    user-select: none;
}

.sbn-cell {
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #F4F4F4;
    color: #9E9E9E;
    font-weight: 800;
    font-size: calc(var(--sbn-w) / var(--sbn-cols) * 0.42);
    line-height: 1;
    cursor: pointer;
    border-radius: 2px;
    transition: background 0.12s ease, box-shadow 0.12s ease;
}

.sbn-cell.sbn-empty {
    background: transparent;
    cursor: default;
    pointer-events: none;
}

.sbn-cell.sbn-hint {
    box-shadow: inset 0 0 0 2px #FFB300;
    color: #616161;
}

.sbn-cell.sbn-filled {
    color: transparent;
    box-shadow: none;
    cursor: default;
}

@keyframes sbn-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-3px); }
    75% { transform: translateX(3px); }
}
.sbn-cell.sbn-shake {
    animation: sbn-shake 0.25s ease;
    background: #FFCDD2;
}

.sbn-palette {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 0.5rem;
    max-width: min(440px, 95vw);
    margin: 0.4rem auto;
}

.sbn-swatch {
    position: relative;
    width: 46px;
    height: 46px;
    border: 3px solid rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}
.sbn-swatch:hover { transform: scale(1.1); }
.sbn-swatch.active {
    border-color: #2D3436;
    transform: scale(1.15);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.25);
}

.sbn-swatch-num {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.sbn-swatch.completed {
    opacity: 0.45;
    filter: grayscale(0.4);
    cursor: default;
}
.sbn-swatch.completed::after {
    content: '✓';
    position: absolute;
    top: -6px;
    right: -6px;
    width: 20px;
    height: 20px;
    background: #2ECC71;
    color: #fff;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}