.gif-frames-container .upload-zone {
    border: 2px dashed var(--bs-border-color);
    border-radius: 0.5rem;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
}

.gif-frames-container .upload-zone:hover,
.gif-frames-container .upload-zone.dragover {
    border-color: var(--bs-primary);
    background-color: rgba(var(--bs-primary-rgb), 0.05);
}

.gif-frames-container .upload-zone .upload-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    opacity: 0.5;
}

.gif-frames-container .upload-zone .upload-hint {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.gif-frames-container .upload-zone .upload-formats {
    font-size: 0.85rem;
    color: var(--bs-secondary-color);
}

.gif-frames-container .gif-preview {
    max-height: 300px;
    display: block;
    margin: 0 auto;
}

.gif-frames-container .frame-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.gif-frames-container .frame-card {
    border: 1px solid var(--bs-border-color);
    border-radius: 0.5rem;
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.gif-frames-container .frame-card:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.gif-frames-container .frame-card .frame-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    background: repeating-conic-gradient(#f0f0f0 0% 25%, transparent 0% 50%) 50% / 16px 16px;
    display: block;
}

.gif-frames-container .frame-card .frame-body {
    padding: 0.5rem;
}

.gif-frames-container .frame-card .frame-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--bs-secondary-color);
    margin-bottom: 0.5rem;
}

.gif-frames-container .frame-card .frame-actions {
    display: flex;
    gap: 0.25rem;
}

.gif-frames-container .frame-card .frame-actions .btn {
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
}

@media (max-width: 576px) {
    .gif-frames-container .frame-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 0.75rem;
    }
}