.painting-frame {
    position: relative;
    background-color: #ffffff;
    padding: 6px;
    border: 5px solid #232426;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.500);
}

.painting-frame img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
    box-shadow: none;
}

.painting-frame.fullview-active {
    border: none;
    box-shadow: none;
    padding: 0;
}

.painting-frame.fullview-active img {
    box-shadow: none;
}

.post-info {
    position: relative;
}

.post-info h1 {
    margin-bottom: 0.5rem;
}

.post-price {
    margin-bottom: 1.5rem;
}

.post-details {
    border-top: 1px solid #e5e5e5;
    padding-top: 1.5rem;
}

.post-details p,
.post-details div {
    margin-bottom: 0.75rem;
}

.post-tag {
    display: inline-flex;
    align-items: center;
}

.back-btn {
    margin-top: 2rem;
    display: inline-block;
    border: 1px solid #000;
    padding: 0.625rem 1.5rem;
    font-size: 0.875rem;
    transition: all 0.3s;
}

.back-btn:hover {
    background: #000;
    color: #fff;
}

.color-dot {
    display: inline-block;
    border-radius: 4px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .painting-frame {
        padding: 8px;
        border-width: 2px;
    }
}