/* kb.css — Knowledge base articles, tags, reader, and editor */
  /* --- Knowledge Base --- */

  /* Article list table (matching service desk) */
  .kb-articles-table {
    width: 100%; border-collapse: collapse; font-size: 13px;
  }
  .kb-articles-table th {
    text-align: left; padding: 10px 14px; font-size: 11px; text-transform: uppercase;
    letter-spacing: 0.04em; font-weight: 600; color: var(--color-text-muted);
    border-bottom: 2px solid var(--color-border); white-space: nowrap;
  }
  .kb-articles-table td {
    padding: 12px 14px; border-bottom: 1px solid var(--color-border); vertical-align: middle;
  }
  .kb-articles-table tr { cursor: pointer; transition: background 0.1s; }
  .kb-articles-table tr:hover { background: var(--color-card-hover); }
  .kb-article-title-cell { font-weight: 500; color: var(--color-text-dark); max-width: 350px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .kb-article-title-cell .kb-pin { color: var(--color-primary); margin-right: 4px; }
  .kb-article-excerpt-cell { font-size: 12px; color: var(--color-text-muted); max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .kb-article-meta { font-size: 12px; color: var(--color-text-muted); }
  .kb-cat-badge {
    background: var(--color-primary-light, #e8f0fe); color: var(--color-primary); padding: 3px 10px;
    border-radius: 12px; font-size: 11px; font-weight: 600; letter-spacing: 0.01em;
  }
  @media (max-width: 900px) {
    .kb-articles-table th:nth-child(3),
    .kb-articles-table td:nth-child(3),
    .kb-articles-table th:nth-child(5),
    .kb-articles-table td:nth-child(5),
    .kb-articles-table th:nth-child(6),
    .kb-articles-table td:nth-child(6) { display: none; }
  }
  .kb-tag-pill {
    background: var(--color-bg-alt, #f3f4f6); color: var(--color-muted); padding: 3px 10px;
    border-radius: 12px; font-size: 11px; cursor: pointer; border: 1px solid transparent;
    transition: all 0.15s; display: inline-flex; align-items: center; gap: 4px;
  }
  .kb-tag-pill:hover { background: var(--color-primary-light, #e8f0fe); color: var(--color-primary); border-color: var(--color-primary); }
  .kb-tag-pill.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
  .kb-tag-pill .kb-tag-count { font-size: 10px; opacity: 0.7; }

  /* Tag input (editor) */
  .kb-tag-input-wrap { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 6px 10px; border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-card); min-height: 38px; cursor: text; }
  .kb-tag-input-wrap:focus-within { border-color: var(--color-primary); box-shadow: 0 0 0 2px rgba(59,130,246,0.15); }
  .kb-tag-input-wrap .kb-tag-chip { display: inline-flex; align-items: center; gap: 4px; background: var(--color-primary-light, #e8f0fe); color: var(--color-primary); padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: 500; }
  .kb-tag-input-wrap .kb-tag-chip .kb-tag-remove { cursor: pointer; font-size: 14px; line-height: 1; opacity: 0.6; margin-left: 2px; }
  .kb-tag-input-wrap .kb-tag-chip .kb-tag-remove:hover { opacity: 1; }
  .kb-tag-input-wrap input { border: none; outline: none; background: transparent; font-size: 13px; flex: 1; min-width: 80px; padding: 2px 0; color: var(--color-text); }
  .kb-tag-suggestions { position: absolute; z-index: 10; background: var(--color-card); border: 1px solid var(--color-border); border-radius: 8px; box-shadow: 0 4px 16px rgba(0,0,0,0.1); max-height: 160px; overflow-y: auto; margin-top: 2px; width: 100%; }
  .kb-tag-suggestions .kb-tag-suggestion { padding: 8px 12px; font-size: 13px; cursor: pointer; display: flex; justify-content: space-between; }
  .kb-tag-suggestions .kb-tag-suggestion:hover { background: var(--color-primary-light, #f0f5ff); }
  .kb-tag-suggestions .kb-tag-suggestion .kb-tag-hint { font-size: 11px; color: var(--color-muted); }

  /* Article reader — card container */
  .kb-reader-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 32px 36px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    max-width: 820px;
  }
  @media (max-width: 768px) { .kb-reader-card { padding: 20px 18px; border-radius: 10px; } }

  .kb-reader-back {
    display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 500;
    color: var(--color-primary); cursor: pointer; margin-bottom: 16px; background: none; border: none; padding: 0;
  }
  .kb-reader-back:hover { text-decoration: underline; }
  .kb-reader-back svg { width: 16px; height: 16px; }

  .kb-reader-header { margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--color-border); }
  .kb-reader-title { font-size: 26px; font-weight: 700; color: var(--color-text); margin-bottom: 12px; line-height: 1.3; }
  .kb-reader-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: 13px; color: var(--color-muted); }
  .kb-reader-meta-item { display: flex; align-items: center; gap: 4px; }
  .kb-reader-meta-item svg { width: 14px; height: 14px; opacity: 0.5; }
  .kb-reader-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

  .kb-reader-body { font-size: 15px; line-height: 1.75; color: var(--color-text); overflow: hidden; word-break: break-word; max-width: 100%; }
  .kb-reader-body > div, .kb-reader-body > section, .kb-reader-body > article, .kb-reader-body > header, .kb-reader-body > footer, .kb-reader-body > main, .kb-reader-body > nav { max-width: 100% !important; padding-left: 0 !important; padding-right: 0 !important; margin-left: 0 !important; margin-right: 0 !important; box-sizing: border-box !important; }
  .kb-reader-body h1,.kb-reader-body h2,.kb-reader-body h3 { margin: 1.4em 0 0.6em; color: var(--color-text); font-weight: 600; }
  .kb-reader-body h1 { font-size: 22px; } .kb-reader-body h2 { font-size: 19px; border-bottom: 1px solid var(--color-border); padding-bottom: 6px; } .kb-reader-body h3 { font-size: 16px; }
  .kb-reader-body pre { background: var(--color-bg-alt, #f3f4f6); padding: 14px 18px; border-radius: 8px; overflow-x: auto; font-size: 13px; border: 1px solid var(--color-border); font-family: 'SFMono-Regular',Consolas,'Liberation Mono',monospace; line-height: 1.5; }
  .kb-reader-body code { background: var(--color-bg-alt, #f3f4f6); padding: 2px 6px; border-radius: 4px; font-size: 13px; font-family: 'SFMono-Regular',Consolas,'Liberation Mono',monospace; }
  .kb-reader-body pre code { background: none; padding: 0; border: none; }
  .kb-reader-body blockquote { border-left: 3px solid var(--color-primary); margin: 1.2em 0; padding: 10px 18px; color: var(--color-muted); background: var(--color-bg-alt, #f9fafb); border-radius: 0 8px 8px 0; }
  .kb-reader-body table { width: 100%; border-collapse: collapse; margin: 1.2em 0; }
  .kb-reader-body th, .kb-reader-body td { border: 1px solid var(--color-border); padding: 10px 14px; text-align: left; font-size: 13px; }
  .kb-reader-body th { background: var(--color-bg-alt, #f3f4f6); font-weight: 600; }
  .kb-reader-body img { max-width: 100%; border-radius: 8px; margin: 12px 0; }
  .kb-reader-body a { color: var(--color-primary); }
  .kb-reader-body ul, .kb-reader-body ol { padding-left: 24px; }
  .kb-reader-body li { margin-bottom: 6px; }
  .kb-reader-body hr { border: none; border-top: 1px solid var(--color-border); margin: 1.5em 0; }
  /* Override Quill indent/align classes inside reader to prevent layout overflow */
  .kb-reader-body [class*="ql-indent"] { padding-left: 1.5em !important; padding-right: 0 !important; }
  .kb-reader-body .ql-align-center { text-align: center; }
  .kb-reader-body .ql-align-right { text-align: right; }
  .kb-reader-body .ql-align-justify { text-align: justify; }
  .kb-reader-body .ql-video { display: block; max-width: 100%; }
  .kb-reader-body .ql-code-block-container { background: var(--color-bg-alt, #f3f4f6); padding: 12px 16px; border-radius: 6px; overflow-x: auto; font-family: 'SFMono-Regular',Consolas,'Liberation Mono',monospace; font-size: 13px; }

  .kb-reader-actions {
    display: flex; align-items: center; gap: 8px; margin-bottom: 24px; flex-wrap: wrap;
  }
  .kb-reader-actions button {
    background: var(--color-card); border: 1px solid var(--color-border); border-radius: 8px;
    padding: 7px 14px; font-size: 12px; font-weight: 500; cursor: pointer;
    display: inline-flex; align-items: center; gap: 5px; color: var(--color-text);
    transition: all 0.15s;
  }
  .kb-reader-actions button:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light, #f0f5ff); }
  .kb-reader-actions button svg { width: 14px; height: 14px; }

  /* Feedback */
  .kb-feedback {
    display: flex; align-items: center; gap: 12px; margin-top: 28px; padding: 20px 24px;
    background: var(--color-bg-alt, #f9fafb); border-radius: 10px; border: 1px solid var(--color-border);
  }
  .kb-feedback-label { font-size: 14px; color: var(--color-text); font-weight: 500; }
  .kb-feedback-btn {
    background: var(--color-card); border: 1px solid var(--color-border); border-radius: 8px;
    padding: 7px 16px; font-size: 13px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
    transition: all 0.15s; font-weight: 500;
  }
  .kb-feedback-btn:hover { border-color: var(--color-primary); }
  .kb-feedback-btn.kb-fb-yes.active { background: #dcfce7; border-color: #16a34a; color: #15803d; }
  .kb-feedback-btn.kb-fb-no.active { background: #fef2f2; border-color: #dc2626; color: #dc2626; }
  .kb-feedback-count { font-size: 12px; color: var(--color-muted); margin-left: 2px; }

  /* Attachments in reader */
  .kb-attachments {
    margin-top: 24px; padding: 16px 20px;
    background: var(--color-bg-alt, #f9fafb); border-radius: 10px; border: 1px solid var(--color-border);
  }
  .kb-attachments h4 { font-size: 13px; font-weight: 600; margin-bottom: 10px; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.03em; }
  .kb-att-item { display: flex; align-items: center; gap: 10px; padding: 8px 0; font-size: 13px; }
  .kb-att-item + .kb-att-item { border-top: 1px solid var(--color-border); }
  .kb-att-item a { color: var(--color-primary); text-decoration: none; font-weight: 500; }
  .kb-att-item a:hover { text-decoration: underline; }
  .kb-att-item svg { width: 16px; height: 16px; color: var(--color-muted); flex-shrink: 0; }
  .kb-att-size { color: var(--color-muted); font-size: 12px; }

  /* Neutralize Quill elements orphaned on body — prevent layout overflow */
  body > .ql-clipboard,
  body > .ql-tooltip { display: none !important; }

  /* Quill editor overrides */
  .quill-wrap { border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
  .quill-wrap .ql-toolbar { background: var(--color-bg-alt, #f3f4f6); border: none; border-bottom: 1px solid var(--color-border); }
  .quill-wrap .ql-container { border: none; font-size: 14px; font-family: var(--font); }
  .quill-wrap .ql-editor { min-height: 120px; line-height: 1.6; color: var(--color-text); }
  .quill-wrap .ql-editor.ql-blank::before { color: var(--color-muted); font-style: normal; }
  .quill-wrap.quill-lg .ql-editor { min-height: 300px; }
  .quill-wrap.quill-sm .ql-editor { min-height: 80px; }
  .quill-wrap .ql-editor pre.ql-syntax { background: var(--color-bg-alt, #f3f4f6); border: 1px solid var(--color-border); border-radius: 6px; padding: 12px 16px; font-size: 13px; font-family: 'SFMono-Regular',Consolas,'Liberation Mono',monospace; overflow-x: auto; }
  .quill-wrap .ql-editor blockquote { border-left: 3px solid var(--color-primary); padding-left: 14px; color: var(--color-muted); }
  .quill-wrap .ql-editor a { color: var(--color-primary); }
  .quill-wrap .ql-editor img { max-width: 100%; border-radius: 6px; }

  .kb-article-modal-inner { max-width: 900px; }

  /* Sidebar tag items */
  #kbTagCloud .kpi-item.active { background: var(--color-primary-light, #f0f5ff); }
  #kbTagCloud .kpi-item.active .kpi-label { color: var(--color-primary); font-weight: 600; }
  #kbTagCloud .kpi-item.active .kpi-dot { background: var(--color-primary) !important; }
  #kbStatsContainer { display: flex; flex-direction: column; gap: 12px; }
  .kb-tag-delete { background: none; border: none; cursor: pointer; color: var(--color-text-muted); padding: 2px 4px; font-size: 14px; line-height: 1; opacity: 0.5; transition: opacity 0.15s, color 0.15s; margin-left: 4px; }
  .kb-tag-delete:hover { opacity: 1; color: var(--color-danger, #dc2626); }

  /* Status badge */
  .kb-status-badge { font-size: 11px; padding: 2px 8px; border-radius: 10px; font-weight: 500; }
  .kb-status-badge.draft { background: #fef3c7; color: #92400e; }
  .kb-status-badge.published { background: #dcfce7; color: #166534; }
  .kb-status-badge.archived { background: #f3f4f6; color: #6b7280; }

  /* Dropzone (same pattern as ticket) */
  .kb-dropzone { position: relative; border: 2px dashed var(--color-border); border-radius: 8px; padding: 20px; text-align: center; cursor: pointer; transition: border-color 0.15s, background 0.15s; }
  .kb-dropzone:hover, .kb-dropzone.dragover { border-color: var(--color-primary); background: var(--color-primary-light, #f0f5ff); }
  .kb-dropzone input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
  .kb-dropzone-content { display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--color-muted); font-size: 13px; pointer-events: none; }
  .kb-dropzone-content em { color: var(--color-primary); }

  /* Version history */
  .kb-version-row { padding: 10px 0; border-bottom: 1px solid var(--color-border); display: flex; justify-content: space-between; align-items: center; }
  .kb-version-info { font-size: 13px; }
  .kb-version-info .kb-version-date { font-weight: 500; color: var(--color-text); }
  .kb-version-info .kb-version-by { color: var(--color-muted); }
  .kb-version-info .kb-version-note { color: var(--color-muted); font-style: italic; font-size: 12px; }
  .kb-version-actions { display: flex; gap: 6px; }
  .kb-version-actions button { font-size: 12px; padding: 4px 10px; }

  /* Empty state */
  .kb-empty { text-align: center; padding: 60px 20px; color: var(--color-muted); }
  .kb-empty svg { margin-bottom: 12px; opacity: 0.4; }
  .kb-empty h3 { font-size: 16px; color: var(--color-text); margin-bottom: 6px; }
  .kb-empty p { font-size: 13px; }

  /* Generic toggle switch */
  .toggle-switch { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
  .toggle-switch input { opacity: 0; width: 0; height: 0; }
  .toggle-slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background: var(--color-border); border-radius: 24px; transition: 0.2s; }
  .toggle-slider::before { content: ''; position: absolute; height: 18px; width: 18px; left: 3px; bottom: 3px; background: white; border-radius: 50%; transition: 0.2s; }
  .toggle-switch input:checked + .toggle-slider { background: var(--color-primary); }
  .toggle-switch input:checked + .toggle-slider::before { transform: translateX(20px); }