/* Overlay */
.viewer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* Modal */
.viewer-modal {
    background: #fff;
    width: 98vw;
    max-width: 1100px;
    height: 98vh;
    display: flex;
    flex-direction: column;
    border-radius: 10px;
    overflow: hidden;
}

/* Header */
.viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid #ddd;
}

.viewer-header h2 {
    margin: 0;
    font-size: 18px;
}

/* Botón X */
.viewer-close {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
}

/* Body (scroll interno) */
.viewer-body {
    flex: 1;
    overflow: auto;
    padding: 10px;
}

/* Footer */
.viewer-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    border-top: 1px solid #ddd;
}

.viewer-footer a {
    color: #2563eb;
    text-decoration: none;
}

.viewer-footer a:hover {
    text-decoration: underline;
}

/* Botón */
.viewer-btn {
    padding: 6px 14px;
    border-radius: 20px;
    border: none;
    background: #2563eb;
    color: #fff;
    cursor: pointer;
}

.viewer-btn:hover {
    background: #1e40af;
}

/* Contenido */
.viewer-body img {
    width: 100%;
    height: auto;
}

.viewer-body iframe {
    width: 100%;
    height: 100%;
    border: none;
}