.zoom-controls {
    position: absolute;
    bottom: 20px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 1000;
    background: white;
    padding: 4px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.zoom-button {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary-color);
}

.zoom-button:hover {
    background: var(--background-color);
}

.fullscreen-button {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary-color);
    margin-top: 8px;
}

.fullscreen-button:hover {
    background: var(--background-color);
}