:root {
  --nb-text: #1f2937;     /* slate-800 */
  --nb-muted: #6b7280;    /* slate-500 */
  --nb-line: #e5e7eb;     /* slate-200 */
  --nb-bg: #ffffff;
  --nb-chip: #111827;
  --nb-primary: #2563eb;
  --nb-danger: #ef4444;
  --nb-main: #05c3dd;
  --radius: 14px;
}

.newboard {
    height: 82vh;
    overflow-y: auto;
}
/* 레이아웃 */
.newboard_view {
    width: 100%;
}
.newboard_view_top {
    margin-bottom: 18px;
    border-bottom: 1px solid var(--nb-line);
    padding-bottom: 14px;
}
.newboard_view_title {
    font-size: clamp(20px, 2.6vw, 23px);
    font-weight: 800;
    color: var(--nb-text);
    display:flex;
    gap:10px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.newboard_view_title .newboard_view_cate {
    display: inline-block;
    background-color: #f0f0f0;
    color: #333;
    font-size: 12px;
    font-weight: bold;
    padding: 4px 6px;
    border-radius: 3px;
    margin-right: 5px;
    text-align: center;
    min-width: 35px;
    flex-shrink: 0;
}
.newboard_view_title .newboard_view_subject {
    flex-grow: 1;
}
.newboard_view_title .newboard_view_cate.emergency {
    background-color: #d9534f;
    color: #fff;
}
.newboard_view_title .newboard_view_cate.important {
    background-color: #5bc0de;
    color: #fff;
}
.newboard_view_title .newboard_view_cate.notice {
    background-color: #5cb85c;
    color: #fff;
}

.newboard_view_info {
    margin-top: 8px;
    color: var(--nb-muted);
    font-size: 13px;
    display:flex;
    gap:14px;
    flex-wrap: wrap;
}

/* 메타 */
.newboard_meta {
    padding: 16px 0 10px;
}
.newboard_profile {
    display:flex;
    gap:14px;
    align-items: center;
}
.newboard_profile_img img {
    width:52px;
    height:52px;
    border-radius:50%;
    object-fit:cover;
}
.newboard_profile_info {
    display:flex;
    flex-direction: column;
    gap:6px;
}
.newboard_profile_name {
    font-size: 16px;
    color: var(--nb-text);
}
.newboard_profile_sub {
    display:flex;
    gap:12px;
    color: var(--nb-muted);
    font-size: 13px;
    flex-wrap: wrap;
}
.newboard_profile_cat {
    margin-top:4px;
}
.newboard_badge {
    background: var(--nb-chip);
    color:#fff;
    border-radius: 8px;
    padding: 3px 8px;
    font-size: 12px;
}

/* 본문 */
.newboard_body {
    margin-top: 18px;
}
.newboard_video {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background:#000;
    border-radius: var(--radius);
    overflow:hidden;
}
.newboard_video iframe {
    width:100%;
    height:100%;
    display:block;
    border:0;
}
.newboard_content {
    margin-top: 20px;
    color: var(--nb-text);
    line-height: 1.75;
    font-size: 15px;
}
.newboard_content img {
    max-width: 100%;
    height: auto;
}

/* 파일/링크 공통 */
.newboard_section_title {
    margin: 26px 0 12px;
    font-size: 15px;
    color: var(--nb-text);
    font-weight: 800;
}
.newboard_files, .newboard_links {
    border-top: 1px solid var(--nb-line);
    padding-top: 16px;
}
.newboard_file_list, .newboard_link_list {
    list-style:none;
    margin:0;
    padding:0;
    display:grid;
    gap:10px;
}
.newboard_file_item a, .newboard_link_item a {
    display:flex;
    gap:10px;
    align-items:center;
    padding:10px 12px;
    border:1px solid var(--nb-line);
    border-radius: 10px;
    background: var(--nb-bg);
    text-decoration: none;
    color: var(--nb-text);
}
.newboard_file_item a:hover, .newboard_link_item a:hover {
    background:#f9fafb;
}
.newboard_file_name {
    font-weight: 700;
}
.newboard_file_desc, .newboard_file_size {
    color: var(--nb-muted);
    font-size: 13px;
}
.newboard_navlist {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 14px;
    width: 100%;
}
.newboard_navlist a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    text-decoration: none;
    color: var(--nb-text);
    border: 1px solid var(--nb-line);
    padding: 16px;
    border-radius: 8px;
    transition: background-color 0.3s, border-color 0.3s;
}
.newboard_navlist a svg {
    width: 20px;
    height: 20px;
}
.newboard_navlist a:hover, .newboard_navlist a svg:hover {
    background-color: var(--nb-hover-bg);
    border-color: var(--nb-main);
    color: var(--nb-main);
}
.newboard_navlist .nav_title {
    width: 90%;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap:8px;
}
.newboard_navlist .nav_title span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: calc(100% - 24px);
}
.newboard_navlist .nav_date {
    width: 10%;
    font-size: 14px;
    text-align: right;
}

/* 버튼/네비 */
.newboard_actions {
    margin-top: 22px;
    display:flex;
    gap:10px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
}
.newboard_nav {
    margin: 30px 0;
    display:flex;
    gap:10px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}
.newboard_btn {
    appearance:none;
    border:1px solid var(--nb-line);
    background:#fff;
    color:var(--nb-text);
    padding:10px 14px;
    border-radius:10px;
    cursor:pointer;
    text-decoration:none;
    font-weight:700;
    font-size:14px;
    transition: .18s ease;
}
.newboard_btn:hover {
    transform: translateY(-1px);
    background:#f9fafb;
}
.newboard_btn.primary {
    border-color: var(--nb-primary);
    color: var(--nb-primary);
}
.newboard_btn.solid {
    background: var(--nb-chip);
    color:#fff;
    border-color: var(--nb-chip);
}
.newboard_btn.danger {
    border-color: var(--nb-danger);
    color: var(--nb-danger);
}

/* 썸네일 위 유튜브 아이콘 */
.newboard_content a, .newboard_content p {
    position: relative;
}
.newboard_content a:hover .youtube-icon, 
.newboard_content p:hover .youtube-icon {
    opacity: 1;
}

@media (max-width: 1024px) {
    .newboard {
        height: calc(var(--vh, 1vh) * 83);
    }
    .newboard_view_title {
        align-items: flex-start;
    }
    .newboard_navlist {
        gap: 10px;
    }
    .newboard_navlist a {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    .newboard_navlist a svg {
        width: 24px;
        height: 24px;
    }
    .newboard_navlist .nav_title {
        font-size: 14px;
        width: 100%;
    }
    .newboard_navlist .nav_date {
        font-size: 12px;
        width: 100%;
    }
}