.nsg-container {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    margin-bottom: 2em;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.nsg-header {
    background-color: #009ce6; /* Đã đổi mã màu */
    color: #fff;
    padding: 15px 20px;
    font-size: 1.2em;
    font-weight: 600;
}
.nsg-body {
    padding: 20px;
    background-color: #fff;
}
.nsg-body > div:not(:first-child) {
    border-top: 1px solid #e0e0e0;
    padding-top: 15px;
    margin-top: 15px;
}
.nsg-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.nsg-grid-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.nsg-grid-row {
    display: flex;
    border: 1px solid #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
}
.nsg-grid-label {
    background-color: #f7f7f7;
    padding: 8px 12px;
    font-weight: 500;
    color: #333;
    flex: 0 0 150px;
    border-right: 1px solid #f0f0f0;
}
.nsg-grid-value {
    padding: 8px 12px;
    color: #555;
    flex-grow: 1;
    white-space: pre-wrap;
}
.nsg-full-width-field {
    border: 1px solid #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
}
.nsg-full-width-label {
    display: block;
    background-color: #f7f7f7;
    padding: 8px 12px;
    font-weight: 500;
    color: #333;
    border-bottom: 1px solid #f0f0f0;
}
.nsg-full-width-value {
    padding: 12px;
    white-space: pre-wrap;
}
.nsg-main-content {
    line-height: 1.7;
}

/* CSS CHO PHẦN FILE ĐÍNH KÈM */
.nsg-attachment-container {
    border: 1px solid #e0e0e0;
    border-radius: 4px;
}
.nsg-attachment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f7f7f7;
    padding: 8px 12px;
    font-weight: 500;
}
.nsg-button {
    display: inline-block;
    text-decoration: none;
    font-size: 13px;
    line-height: 1;
    padding: 8px 16px;
    border-radius: 5px;
    border: 1px solid #009ce6; /* Đã đổi mã màu */
    cursor: pointer;
    transition: all .2s ease-in-out;
}
.nsg-download-btn {
    background-color: #009ce6; /* Đã đổi mã màu */
    color: #fff;
}
.nsg-download-btn:hover {
    background-color: #0087c9; /* Màu sẫm hơn để hover */
    border-color: #0087c9;
}
.nsg-embedded-preview {
    position: relative;
    width: 100%;
    height: 75vh;
    min-height: 500px;
}
.nsg-embedded-preview iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}
/* Kết thúc CSS mới */

@media screen and (max-width:768px) {
    .nsg-grid { grid-template-columns: 1fr; }
    .nsg-grid-label { flex-basis: 120px; }
}