.gallery-hero-placeholder { height: var(--nav-height); width: 100%; }

.item-content-flex-wrapper {
    display: flex;
    gap: 3rem;
    padding: 2rem 0 4rem;
    min-height: 80vh;
    max-width: 1400px;
    margin: 0 auto;
}

.image-col {
    flex: 2;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    position: relative;
}

.item-image {
    max-width: 100%;
    max-height: 85vh;
    border-radius: var(--radius-lg, 16px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    object-fit: contain;
    transition: all 0.4s ease;
    cursor: zoom-in;
}

.item-image:hover {
    transform: scale(1.02);
    box-shadow: 0 30px 70px rgba(0,0,0,0.7);
}

.info-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    min-width: 300px;
}

.info-header h1 {
    font-size: 2.4rem;
    margin: 0 0 0.8rem 0;
    line-height: 1.2;
    word-break: break-word;
}

.provider-name {
    color: var(--color-text-secondary);
    font-size: 1rem;
    opacity: 0.9;
}

.actions-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 1rem 1.5rem;
    border-radius: 99px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    border: none;
}

.fav-action {
    background: rgba(255,255,255,0.08);
    border: 2px solid rgba(255,255,255,0.2);
    color: white;
}

.fav-action:hover { background: rgba(255,255,255,0.15); }
.fav-action.favorited {
    background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
    border-color: #ff6b6b;
    color: white;
    animation: pulse 2s infinite;
}

.fav-action i { font-size: 1.4rem; }
.fav-action.favorited i { animation: heartbeat 1.4s ease infinite; }

@keyframes heartbeat {
    0%,100% { transform: scale(1); }
    50% { transform: scale(1.25); }
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255,107,107,0.4); }
    70% { box-shadow: 0 0 0 12px rgba(255,107,107,0); }
    100% { box-shadow: 0 0 0 0 rgba(255,107,107,0); }
}

.download-btn {
    background: var(--color-primary);
    color: white;
}

.download-btn:hover {
    background: #7c4dff;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(139,92,246,0.4);
}

.copy-link-btn {
    background: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.2);
    color: white;
}

.copy-link-btn:hover { background: rgba(255,255,255,0.18); }

.tags-section h3 {
    margin: 0 0 1rem 0;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tag-item {
    background: rgba(139,92,246,0.2);
    color: var(--color-primary);
    padding: 0.5rem 1rem;
    border-radius: 99px;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s;
    backdrop-filter: blur(4px);
}

.tag-item:hover {
    background: rgba(139,92,246,0.4);
    transform: translateY(-2px);
}

@media (max-width: 900px) {
    .item-content-flex-wrapper { flex-direction: column; align-items: center; gap: 2rem; }
    .info-col { width: 100%; max-width: 600px; }
    .item-image { max-height: 70vh; }
    .actions-row { flex-direction: row; }
    .action-btn { flex: 1; }
}

@media (max-width: 500px) {
    .actions-row { flex-direction: column; }
    .action-btn { padding: 0.9rem; font-size: 1rem; }
}

.similar-section {
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.similar-section h3 {
    margin: 0 0 1.5rem 0;
    font-size: 1.6rem;
    color: var(--color-text-primary);
    text-align: center;
}

.similar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    padding: 1rem 0;
}

.similar-card {
    height: 180px;
    border-radius: var(--radius-lg, 16px);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: transform 0.3s ease;
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}

.similar-card:hover {
    transform: scale(1.03);
}

.similar-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s;
}

.similar-card:hover img {
    opacity: 0.9;
}

.similar-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 60%, rgba(0,0,0,0.7));
    pointer-events: none;
}

.similar-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
    text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

.back-btn {
    position: fixed;
    top: 5rem; left: 2rem; z-index: 100;
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: var(--color-glass-bg); backdrop-filter: blur(12px);
    border: var(--glass-border); border-radius: var(--radius-full);
    color: white; text-decoration: none; font-weight: 600;
    transition: all 0.2s ease;
}
body.electron .back-btn {
    top: 115px !important;
}
.back-btn:hover { background: rgba(255, 255, 255, 0.15); transform: translateX(-5px); }

@media (max-width: 768px) {
    .similar-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        padding: 1rem;
    }
    .similar-card { height: 140px; }
}

@media (max-width: 500px) {
    .similar-grid {
        grid-template-columns: 1fr;
    }
}