/* ==================================================================
   공지사항 / 자료실 / 소프트웨어 게시판 공통 (목록 / 상세 / 작성)
   - 모든 규칙은 .nb 하위에만 적용
   - 색상은 좌측 사이드바(common.css .wo-sidebar)와 동일한 slate / orange 계열
   ================================================================== */

.nb {
    --nb-ink: #0f172a;          /* slate-900 */
    --nb-ink-2: #1e293b;        /* slate-800 */
    --nb-sub: #475569;          /* slate-600 */
    --nb-muted: #64748b;        /* slate-500 */
    --nb-field: #cbd5e1;        /* slate-300 */
    --nb-line: #e2e8f0;         /* slate-200 */
    --nb-line-2: #f1f5f9;       /* slate-100 */
    --nb-soft: #f8fafc;         /* slate-50 */
    --nb-accent: #f97316;       /* orange-500 */
    --nb-pin-bg: #fffaf5;
    --nb-badge-bg: #fff7ed;
    --nb-badge-line: #fed7aa;
    --nb-badge-ink: #c2410c;
    --nb-danger: #b91c1c;
    --nb-danger-line: #fecaca;

    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 1200px;
    padding: 18px 24px 32px;
    box-sizing: border-box;
    color: var(--nb-ink);
    font-size: 14px;
}

.nb *, .nb *::before, .nb *::after {
    box-sizing: border-box;
}

.nb .nb-icon {
    flex-shrink: 0;
}

.nb .nb-mobile-only {
    display: none !important;
}

/* ---------- 상단 제목 ---------- */
.nb .nb-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    min-height: 44px;
}

.nb .nb-head-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.nb .nb-head-sub {
    font-size: 13px;
    color: var(--nb-muted);
}

.nb .nb-head-title {
    margin: 0;
    font-size: 26px;
    font-weight: 700;
    color: var(--nb-ink);
}

.nb .nb-actions {
    display: flex;
    gap: 8px;
}

.nb .nb-back {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 44px;
    padding: 0 8px 0 0;
    border: none;
    background: transparent;
    color: var(--nb-sub);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

.nb .nb-back:hover {
    color: var(--nb-ink);
}

/* ---------- 버튼 ---------- */
.nb .nb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 44px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color .15s, border-color .15s, color .15s;
}

.nb .nb-btn:disabled {
    opacity: .5;
    cursor: default;
}

.nb .nb-btn-sm {
    height: 36px;
    padding: 0 14px;
    font-size: 13px;
    font-weight: 500;
}

.nb .nb-btn-primary {
    background: var(--nb-ink);
    color: #ffffff;
}

.nb .nb-btn-primary:hover:not(:disabled) {
    background: var(--nb-ink-2);
}

.nb .nb-btn-line {
    border-color: var(--nb-field);
    background: #ffffff;
    color: var(--nb-ink);
}

.nb .nb-btn-line:hover:not(:disabled) {
    border-color: var(--nb-ink);
}

.nb .nb-btn-danger {
    border-color: var(--nb-danger-line);
    background: #ffffff;
    color: var(--nb-danger);
    font-weight: 500;
}

.nb .nb-btn-danger:hover:not(:disabled) {
    background: #fef2f2;
}

.nb .nb-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--nb-muted);
    cursor: pointer;
}

.nb .nb-icon-btn:hover {
    background: var(--nb-line-2);
    color: var(--nb-ink);
}

/* ---------- 카드 / 배지 ---------- */
.nb .nb-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid var(--nb-line);
    border-radius: 14px;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
    overflow: hidden;
}

.nb .nb-badge {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    padding: 2px 8px;
    border: 1px solid var(--nb-line);
    border-radius: 999px;
    background: var(--nb-line-2);
    color: var(--nb-sub);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.5;
}

.nb .nb-badge-pin {
    border-color: var(--nb-badge-line);
    background: var(--nb-badge-bg);
    color: var(--nb-badge-ink);
}

.nb .nb-empty {
    padding: 56px 20px;
    color: var(--nb-muted);
    text-align: center;
}

/* ==================================================================
   목록
   ================================================================== */
.nb .nb-toolbar {
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--nb-line);
}

.nb .nb-toolbar-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nb .nb-total {
    color: var(--nb-sub);
}

.nb .nb-total strong {
    color: var(--nb-ink);
}

.nb .nb-search {
    display: flex;
    gap: 8px;
    margin: 0;
}

.nb .nb-search .nb-btn {
    height: 40px;
}

.nb .nb-search-field {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 320px;
    height: 40px;
    margin: 0;
    padding: 0 12px;
    border: 1px solid var(--nb-field);
    border-radius: 10px;
    background: #ffffff;
    color: var(--nb-muted);
    cursor: text;
}

.nb .nb-search-field:focus-within {
    border-color: var(--nb-ink);
}

.nb .nb-search-field input {
    flex-grow: 1;
    min-width: 0;
    border: none;
    outline: none;
    background: transparent;
    color: var(--nb-ink);
    font-size: 14px;
}

/* - 목록 행: 데스크톱은 표 형태 */
.nb .nb-list {
    --nb-cols: minmax(0, 1fr) 140px 140px;
}

.nb .nb-list.is-admin {
    --nb-cols: 56px minmax(0, 1fr) 140px 140px;
}

.nb .nb-list-head,
.nb .nb-row {
    display: grid;
    grid-template-columns: var(--nb-cols);
    align-items: center;
    padding: 0 20px;
}

.nb .nb-list-head {
    height: 44px;
    background: var(--nb-soft);
    border-bottom: 1px solid var(--nb-line);
    color: var(--nb-sub);
    font-size: 13px;
    font-weight: 500;
}

.nb .nb-row {
    min-height: 54px;
    border-bottom: 1px solid var(--nb-line-2);
    cursor: pointer;
    transition: background-color .12s;
}

.nb .nb-row:hover {
    background: var(--nb-soft);
}

.nb .nb-row:focus-visible {
    outline: 2px solid var(--nb-accent);
    outline-offset: -2px;
}

.nb .nb-row.is-pinned {
    background: var(--nb-pin-bg);
}

.nb .nb-row.is-pinned:hover {
    background: #fff4ea;
}

.nb .nb-cell-chk {
    display: flex;
    align-items: center;
    align-self: stretch;
    cursor: default;
}

.nb .nb-cell-chk input {
    margin: 0;
    cursor: pointer;
}

.nb .nb-cell-main {
    min-width: 0;
}

.nb .nb-cell-writer,
.nb .nb-cell-date {
    color: var(--nb-sub);
    text-align: center;
}

.nb .nb-row-title {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.nb .nb-title-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--nb-ink);
}

.nb .nb-row.is-pinned .nb-title-text {
    font-weight: 700;
}

.nb .nb-clip {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
    color: var(--nb-muted);
    font-size: 12px;
}

.nb .nb-row-meta {
    display: none;
}

.nb .nb-paging {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 16px 20px;
}

.nb .nb-paging:empty {
    display: none;
}

.nb .nb-page {
    width: 36px;
    height: 36px;
    border: 1px solid var(--nb-line);
    border-radius: 8px;
    background: #ffffff;
    color: var(--nb-ink);
    cursor: pointer;
}

.nb .nb-page:hover:not(:disabled):not(.is-current) {
    border-color: var(--nb-ink);
}

.nb .nb-page:disabled {
    color: var(--nb-field);
    cursor: default;
}

.nb .nb-page.is-current {
    border-color: var(--nb-ink);
    background: var(--nb-ink);
    color: #ffffff;
    font-weight: 700;
}

.nb .nb-more {
    display: none;
}

/* ==================================================================
   상세
   ================================================================== */
.nb-view .nb-edit-only {
    display: none !important;
}

.nb-view.is-editing .nb-edit-only {
    display: flex !important;
}

.nb-view.is-editing .nb-read-only {
    display: none !important;
}

.nb-view .nb-edit-only > .nb-form {
    flex-grow: 1;
}

.nb .nb-article-head {
    z-index: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 28px 32px 22px;
    border-bottom: 1px solid var(--nb-line);
}

.nb .nb-badges {
    display: flex;
    gap: 6px;
}

.nb .nb-article-title {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.nb .nb-article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 14px;
    color: var(--nb-muted);
    font-size: 13px;
}

.nb .nb-article-meta span + span {
    padding-left: 14px;
    border-left: 1px solid var(--nb-field);
}

.nb .nb-article-body {
    min-height: 160px;
    padding: 28px 32px;
    color: var(--nb-ink-2);
    font-size: 15px;
    line-height: 1.8;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.nb .nb-files {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 0 32px 28px;
    padding: 18px 20px;
    border: 1px solid var(--nb-line);
    border-radius: 12px;
    background: var(--nb-soft);
}

.nb .nb-files-title {
    color: var(--nb-sub);
    font-size: 13px;
    font-weight: 700;
}

.nb .nb-file-down {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    min-height: 56px;
    padding: 8px 12px;
    border: 1px solid var(--nb-line);
    border-radius: 10px;
    background: #ffffff;
    color: var(--nb-sub);
    text-align: left;
    cursor: pointer;
}

.nb .nb-file-down:hover {
    border-color: var(--nb-ink);
}

.nb .nb-file-text {
    display: flex;
    flex-grow: 1;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.nb .nb-file-name {
    flex-grow: 1;
    min-width: 0;
    color: var(--nb-ink);
    font-size: 14px;
    overflow-wrap: anywhere;
}

.nb .nb-file-size {
    flex-shrink: 0;
    color: var(--nb-muted);
    font-size: 13px;
}

.nb .nb-file-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    height: 36px;
    padding: 0 14px;
    border: 1px solid var(--nb-field);
    border-radius: 8px;
    color: var(--nb-ink);
    font-size: 13px;
    font-weight: 500;
}

/* ==================================================================
   작성 / 수정 폼
   ================================================================== */
.nb .nb-form {
    gap: 22px;
    padding: 28px 32px;
}

.nb .nb-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nb .nb-label {
    margin: 0;
    color: var(--nb-ink);
    font-size: 14px;
    font-weight: 700;
}

.nb .nb-req {
    color: var(--nb-badge-ink);
}

.nb .nb-input,
.nb .nb-textarea {
    width: 100%;
    border: 1px solid var(--nb-field);
    border-radius: 10px;
    background: #ffffff;
    color: var(--nb-ink);
    font-size: 15px;
    cursor: text;
}

.nb .nb-input {
    height: 46px;
    padding: 0 14px;
}

.nb .nb-textarea {
    min-height: 160px;
    height: 300px;
    padding: 12px 14px;
    line-height: 1.7;
    resize: vertical;
}

.nb .nb-input:focus,
.nb .nb-textarea:focus {
    border-color: var(--nb-ink);
    outline: none;
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
}

/* - 중요/숨김 스위치 */
.nb .nb-switches {
    display: flex;
    gap: 12px;
}

.nb .nb-switch-item {
    display: flex;
    flex: 1;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 0;
    padding: 12px 16px;
    border: 1px solid var(--nb-line);
    border-radius: 10px;
    background: var(--nb-soft);
    cursor: pointer;
}

.nb .nb-switch-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nb .nb-switch-title {
    color: var(--nb-ink);
    font-size: 14px;
    font-weight: 700;
}

.nb .nb-switch-desc {
    color: var(--nb-muted);
    font-size: 12px;
}

.nb .nb-switch {
    position: relative;
    flex-shrink: 0;
    width: 44px;
    min-width: 44px;
    height: 24px;
    min-height: 24px;
    margin: 0;
    border: none;
    border-radius: 999px;
    background: var(--nb-field);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: background-color .15s;
}

.nb .nb-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    border-radius: 999px;
    background: #ffffff;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.2);
    transition: transform .15s;
}

.nb .nb-switch:checked {
    background: var(--nb-accent);
}

.nb .nb-switch:checked::after {
    transform: translateX(20px);
}

.nb .nb-switch:focus-visible {
    outline: 2px solid var(--nb-ink);
    outline-offset: 2px;
}

/* - 첨부 */
.nb .nb-drop {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 6px 10px;
    min-height: 64px;
    margin: 0;
    padding: 12px;
    border: 1.5px dashed #94a3b8;
    border-radius: 12px;
    background: var(--nb-soft);
    color: var(--nb-sub);
    text-align: center;
    cursor: pointer;
}

.nb .nb-drop:hover,
.nb .nb-drop.is-over {
    border-color: var(--nb-accent);
    background: var(--nb-badge-bg);
}

.nb .nb-drop strong {
    color: var(--nb-ink);
    text-decoration: underline;
}

.nb .nb-drop-hint {
    color: var(--nb-muted);
    font-size: 13px;
}

.nb .nb-file-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nb .nb-file-list:empty {
    display: none;
}

.nb .nb-file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 6px 6px 14px;
    border: 1px solid var(--nb-line);
    border-radius: 10px;
    color: var(--nb-sub);
}

/* - 모바일 하단 고정 버튼 바 */
.nb .nb-bottom-bar {
    gap: 8px;
}

.nb .nb-grow {
    flex-grow: 1;
}

/* ==================================================================
   반응형
   ================================================================== */

/* - 사이드바가 접히는 구간: 좌측 고정 햄버거 버튼(40px)만큼 제목 영역 비움 */
@media (max-width: 900px) {
    .nb .nb-head {
        padding-left: 56px;
    }
}

@media (max-width: 767.98px) {
    .nb .nb-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .nb .nb-search-field {
        flex-grow: 1;
        width: auto;
    }

    .nb .nb-toolbar-info {
        justify-content: space-between;
    }

    .nb .nb-switches {
        flex-direction: column;
    }
}

@media (max-width: 575.98px) {
    .nb {
        gap: 12px;
        padding: 0 0 0;
    }

    .nb .nb-desktop-only {
        display: none !important;
    }

    .nb .nb-mobile-only {
        display: flex !important;
    }

    /* - 수정 모드의 상단 취소/저장은 하단 바로 대체 */
    .nb-view.is-editing .nb-desktop-only {
        display: none !important;
    }

    .nb .nb-head {
        align-items: center;
    }

    .nb .nb-head-sub {
        display: none;
    }

    .nb .nb-head-title {
        font-size: 20px;
    }

    .nb .nb-btn {
        padding: 0 14px;
    }

    .nb .nb-card {
        border-radius: 12px;
    }

    .nb .nb-toolbar {
        gap: 10px;
        padding: 12px;
    }

    /* - iOS 확대 방지를 위해 입력 글자 16px */
    .nb .nb-search-field input,
    .nb .nb-input,
    .nb .nb-textarea {
        font-size: 16px;
    }

    .nb .nb-search-field {
        height: 44px;
    }

    .nb .nb-search .nb-btn {
        height: 44px;
    }

    /* - 목록: 표 대신 한 줄 요약 + 메타 */
    .nb .nb-list {
        --nb-cols: minmax(0, 1fr);
    }

    .nb .nb-list.is-admin {
        --nb-cols: 32px minmax(0, 1fr);
    }

    .nb .nb-list-head {
        display: none;
    }

    .nb .nb-row {
        padding: 14px 16px;
    }

    .nb .nb-cell-writer,
    .nb .nb-cell-date,
    .nb .nb-clip {
        display: none;
    }

    .nb .nb-row-title {
        align-items: flex-start;
    }

    .nb .nb-row-title .nb-badge {
        margin-top: 1px;
        font-size: 11px;
    }

    .nb .nb-title-text {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        font-size: 15px;
        line-height: 1.45;
        white-space: normal;
        overflow-wrap: anywhere;
    }

    .nb .nb-row-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        margin-top: 6px;
        color: var(--nb-muted);
        font-size: 12px;
    }

    .nb .nb-row-meta span + span::before {
        content: '·';
        margin-right: 6px;
    }

    .nb .nb-paging {
        display: none;
    }

    .nb .nb-more {
        display: block;
        width: 100%;
        height: 52px;
        border: none;
        background: #ffffff;
        color: var(--nb-ink);
        font-size: 14px;
        font-weight: 500;
    }

    .nb .nb-more[hidden] {
        display: none;
    }

    /* - 상세 */
    .nb .nb-article-head {
        gap: 10px;
        padding: 20px 18px 16px;
    }

    .nb .nb-badges {
        align-self: flex-start;
    }

    .nb .nb-article-title {
        font-size: 19px;
    }

    .nb .nb-article-body {
        min-height: 120px;
        padding: 18px;
    }

    .nb .nb-files {
        margin: 0;
        padding: 0 18px 18px;
        border: none;
        background: transparent;
    }

    .nb .nb-file-down {
        background: var(--nb-soft);
    }

    .nb .nb-file-text {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }

    .nb .nb-file-size {
        font-size: 12px;
    }

    .nb .nb-file-action {
        padding: 0 8px;
        border: none;
    }

    /* - 작성 / 수정 */
    .nb .nb-form {
        gap: 18px;
        padding: 18px;
    }

    .nb .nb-input {
        height: 48px;
    }

    .nb .nb-textarea {
        height: 45vh;
    }

    .nb .nb-icon-btn {
        width: 44px;
        height: 44px;
    }

    .nb .nb-bottom-bar {
        position: sticky;
        bottom: 0;
        z-index: 5;
        margin: 0 -1px;
        padding: 12px 0 16px;
        background: #f1f5f9;
    }

    .nb .nb-bottom-bar .nb-btn {
        height: 48px;
        font-size: 15px;
    }
}