.doc-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 100;
    justify-content: center;
    align-items: center;
}

.doc-modal {
    position: relative;
    width: 90%;
    max-width: 1200px;
    height: 90%;
    background: #0d1b2a;
    border: 2px solid #7c4d9e;
    border-radius: 4px;
    box-shadow: 0 0 20px rgba(124, 77, 158, 0.5);
    display: flex;
    flex-direction: column;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    background: transparent;
    border: 1px solid #7c4d9e;
    color: #c0d0e0;
    padding: 0.4rem 1rem;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.7rem;
    cursor: pointer;
    z-index: 10;
    border-radius: 4px;
    transition: background 0.2s;
}

.close-btn:hover {
    background: #7c4d9e;
    color: #fff;
}

.doc-iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 0 0 4px 4px;
}