.preview-content {
    background: #121212;
    color: #e0e0e0;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.preview-toolbar {
    height: 48px;
    padding: 6px 12px;
    background: rgba(255,255,255,0.02);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    font-size: 13px;
}

.preview-main {
    display: flex;
    flex: 1;
    min-height: 0;
}

.preview-area {
    flex: 1;
    padding: 0;
    box-sizing: border-box;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: #1a1a1a;
}

.preview-area--solo {
    padding: 12px;
    align-items: flex-start;
    justify-content: flex-start;
}

.preview-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: #fff;
    transform-origin: center center;
    transition: transform 0.2s ease;
    min-width: 100%;
    min-height: 100%;
}

.preview-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.preview-btn {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.04);
    color: #e0e0e0;
    padding: 6px 8px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
}

.preview-btn:hover {
    background: rgba(255,255,255,0.06);
}

.preview-zoom {
    min-width: 48px;
    text-align: center;
    color: #cfcfcf;
    font-weight: 600;
}

.preview-area .preview-iframe {
    transform-origin: top left;
    will-change: transform;
}