.viewer {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    padding: 20px;
    border-radius: 7px;
    transition: all 0.3s ease;
    width: 500px;
    margin-left: auto;
    margin-right: 0;
    align-self: stretch;
    height: 100%;
    margin-top: 0; /* ensure it reaches the top */
}

body.light-mode .viewer {
    background: rgba(255, 240, 246, 0.5);
    border: 2px solid rgba(240, 98, 146, 0.3);
}

body.dark-mode .viewer {
    background: rgba(26, 35, 126, 0.2);
    border: 2px solid rgba(63, 81, 181, 0.3);
}

#view-space {
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.3s ease;
}

body.light-mode #view-space {
    background: rgba(233, 100, 144, 0.137);
    border: 2px dashed rgba(240, 98, 146, 0.4);
    color: #ad1457;
}

body.dark-mode #view-space {
    background: rgba(33, 35, 57, 0.4);
    border: 2px dashed rgba(63, 81, 181, 0.4);
    color: #e3f2fd;
}

#view-space img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

#file-name, #file-size {
    font-size: 14px;
    opacity: 0.8;
}