body[data-workspace="knowledge"] main { padding: 22px 24px 16px; }
body[data-workspace="knowledge"] .page-footer { display: none; }
.knowledge-workspace { --knowledge-height: calc(100dvh - 110px); display: grid; grid-template-columns: minmax(255px, 310px) minmax(0, 1fr); height: var(--knowledge-height); min-height: 0; max-width: 1600px; margin: auto; overflow: hidden; border: 1px solid var(--glass-edge); border-radius: 24px; background: var(--group-bg); box-shadow: var(--glass-shadow); }
.knowledge-sources { display: flex; flex-direction: column; min-height: 0; padding: 24px 18px 18px; border-right: 1px solid var(--group-line); background: var(--glass-face); }
.knowledge-eyebrow { display: block; font-size: 11px; letter-spacing: .04em; color: var(--action); }
.knowledge-sources h1 { font-size: 24px; line-height: 1.4; margin: 7px 0; letter-spacing: -.5px; }
.knowledge-sources header p { margin: 0 0 23px; font-size: 13px; color: var(--ink-muted); }
.knowledge-sources form label { display: block; margin: 14px 0 7px; font-size: 12px; color: var(--ink-secondary); }
.knowledge-sources select, .knowledge-sources input { min-height: 46px; width: 100%; min-width: 0; border: 1px solid var(--group-line); border-radius: 12px; padding: 10px 11px; background: var(--input); color: var(--ink); font: inherit; font-size: 13px; }
.knowledge-sources select:focus-visible, .knowledge-sources input:focus-visible, .knowledge-result:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.knowledge-search-row { display: flex; align-items: center; gap: 7px; }
.knowledge-search-row .button { min-width: 46px; min-height: 46px; padding: 10px; }
.knowledge-search-row .icon { width: 18px; height: 18px; }
.knowledge-list-label { display: flex; flex-wrap: wrap; gap: 4px 12px; margin: 23px 0 10px; font-size: 11px; color: var(--ink-muted); }
.knowledge-list-label small { font-size: 10px; }
.knowledge-result-list { min-height: 0; flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: 3px; margin: 0 -3px; }
.knowledge-result { display: flex; align-items: flex-start; gap: 11px; width: 100%; min-height: 76px; padding: 14px 11px; margin-bottom: 6px; border: 1px solid transparent; border-radius: 13px; background: transparent; color: var(--ink); text-align: left; cursor: pointer; }
.knowledge-result:hover { background: var(--group-quiet); }
.knowledge-result.selected { background: var(--group-selected); border-color: var(--group-line); }
.knowledge-result > .icon { flex: 0 0 17px; width: 17px; height: 17px; color: var(--action); margin-top: 2px; }
.knowledge-result > .icon:last-child { width: 13px; height: 13px; flex-basis: 13px; margin-left: auto; color: var(--ink-muted); }
.knowledge-result span { min-width: 0; flex: 1; }
.knowledge-result strong { display: block; font-size: 13px; font-weight: 600; line-height: 1.6; overflow-wrap: anywhere; }
.knowledge-result small { display: block; margin-top: 6px; color: var(--ink-muted); font-size: 10px; line-height: 1.5; }
.knowledge-empty-list { padding: 20px 8px; font-size: 13px; line-height: 1.8; color: var(--ink-muted); }
.knowledge-sources footer { display: flex; align-items: flex-start; flex-direction: column; gap: 8px; padding: 13px 2px 0; font-size: 11px; color: var(--ink-muted); }
.knowledge-sources footer small { font-size: 10px; line-height: 1.6; }
.knowledge-sources footer .button { min-height: 44px; width: 100%; }
.knowledge-reader { display: flex; min-width: 0; min-height: 0; flex-direction: column; background: var(--group-bg); }
.knowledge-reader > header { display: flex; align-items: center; gap: 16px; padding: 24px 30px 21px; border-bottom: 1px solid var(--group-line); }
.knowledge-reader > header > div { flex: 1; min-width: 0; }
.knowledge-reader h2 { font-size: 22px; line-height: 1.45; letter-spacing: -.3px; margin: 7px 0 0; overflow-wrap: anywhere; }
.knowledge-reader > header .button { flex: 0 0 auto; min-height: 44px; font-size: 12px; }
.knowledge-reader .knowledge-back { display: none; }
.knowledge-reading-scroll { flex: 1; min-height: 0; overflow: auto; padding: 24px 30px 32px; overscroll-behavior: contain; scrollbar-gutter: stable; }
.knowledge-source-meta { padding-bottom: 18px; margin-bottom: 20px; border-bottom: 1px solid var(--group-line); color: var(--ink-muted); font-size: 11px; }
.knowledge-source-meta p { display: flex; align-items: baseline; gap: 14px; margin: 0 0 9px; overflow-wrap: anywhere; }
.knowledge-source-meta p > span { flex: 0 0 56px; }
.knowledge-source-meta p strong { color: var(--ink-secondary); font-weight: 500; }
.knowledge-source-meta code { font-size: 10px; overflow-wrap: anywhere; white-space: normal; }
.knowledge-source-meta summary { display: flex; align-items: center; min-height: 44px; cursor: pointer; color: var(--action); }
.knowledge-source-meta dl { display: grid; grid-template-columns: 98px minmax(0, 1fr); gap: 10px 16px; margin: 0; font-size: 11px; line-height: 1.7; }
.knowledge-source-meta dt { color: var(--ink-muted); }
.knowledge-source-meta dd { margin: 0; color: var(--ink-secondary); overflow-wrap: anywhere; }
.knowledge-read-receipt { display: inline-block; border-radius: 7px; padding: 7px 10px; background: var(--archive-soft); color: var(--archive); font-size: 11px; line-height: 1.5; }
.knowledge-source-warning { margin: 12px 0 25px; color: var(--ink-muted); font-size: 11px; line-height: 1.8; }
.knowledge-body { width: 100%; margin: 0; padding: 0; background: transparent; color: var(--ink); border: 0; white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; font-size: 15px; line-height: 1.95; user-select: text; }
.knowledge-reader-empty { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; min-height: 0; max-width: 440px; margin: auto; padding: 40px 10px; }
.knowledge-reader-empty > .icon { width: 34px; height: 34px; color: var(--action); margin-bottom: 16px; }
.knowledge-reader-empty h3 { margin: 0 0 12px; font-size: 20px; font-weight: 550; line-height: 1.5; }
.knowledge-reader-empty p { margin: 0 0 20px; color: var(--ink-muted); font-size: 14px; line-height: 1.9; }
.knowledge-reader-empty .button { min-height: 44px; }
.knowledge-notice { margin: 16px 30px 0; padding: 12px 15px; background: var(--attention-soft); color: var(--attention); border-radius: 10px; font-size: 12px; line-height: 1.8; }
.knowledge-local-only { max-width: 650px; margin: 50px auto; padding: 40px; background: var(--glass-face); border: 1px solid var(--glass-edge); border-radius: 24px; box-shadow: var(--glass-shadow); }
.knowledge-local-only h1 { margin: 12px 0 20px; font-size: 27px; letter-spacing: -.5px; }
.knowledge-local-only p { color: var(--ink-muted); font-size: 14px; line-height: 1.9; }
@media (max-width: 1000px) { .knowledge-workspace { grid-template-columns: 260px minmax(0, 1fr); } .knowledge-reader > header { padding: 20px; } .knowledge-reader h2 { font-size: 19px; } .knowledge-reading-scroll { padding: 20px; } .knowledge-notice { margin: 15px 20px 0; } }
@media (max-width: 800px) {
  body[data-workspace="knowledge"] main { padding: 0; }
  .knowledge-workspace { display: flex; border-radius: 0; border: 0; box-shadow: none; }
  .knowledge-sources, .knowledge-reader { width: 100%; flex: 0 0 100%; border: 0; }
  .knowledge-reader { display: none; }
  .knowledge-workspace.show-knowledge-reader .knowledge-sources { display: none; }
  .knowledge-workspace.show-knowledge-reader .knowledge-reader { display: flex; }
  .knowledge-sources { padding: 22px 18px 15px; }
  .knowledge-sources input, .knowledge-sources select { font-size: 16px; }
  .knowledge-reader > header { flex-wrap: wrap; gap: 10px; padding: 13px 18px 17px; }
  .knowledge-reader > header > div { flex-basis: calc(100% - 100px); }
  .knowledge-reader .knowledge-back { display: inline-flex; flex-basis: 100%; justify-content: flex-start; padding: 0; }
  .knowledge-reader .knowledge-back .icon { width: 16px; height: 16px; }
  .knowledge-reading-scroll { padding: 19px 18px 28px; }
  .knowledge-body { font-size: 15px; line-height: 1.95; }
  .knowledge-source-meta dl { grid-template-columns: 1fr; gap: 3px; }
  .knowledge-source-meta dd { margin-bottom: 10px; }
  .knowledge-source-meta p { flex-wrap: wrap; gap: 4px 12px; }
  .knowledge-notice { margin: 12px 18px 0; }
  .knowledge-local-only { margin: 20px 0; padding: 24px; }
}

.knowledge-source-meta { font-size: 12px; }
.knowledge-source-meta code { font-size: 11px; }
.knowledge-source-meta dl { font-size: 12px; }
.knowledge-result strong { font-size: 14px; }
.knowledge-result small, .knowledge-list-label, .knowledge-list-label small { font-size: 12px; }
.knowledge-reader h2 { margin: 0; }
.knowledge-short-viewport .knowledge-sources { overflow-y: auto; }
.knowledge-short-viewport .knowledge-result-list { flex: 0 0 auto; overflow: visible; }
.knowledge-short-viewport .knowledge-sources header { display: none; }
@media (max-width: 800px) {
 .knowledge-sources { padding: 16px; background: transparent; }
 .knowledge-sources h1 { display: none; }
 .knowledge-sources header p { margin: 0 0 12px; font-size: 13px; }
 .knowledge-sources form label { font-size: 13px; }
 .knowledge-list-label { margin-top: 20px; }
 .knowledge-result { min-height: 80px; border-radius: 0; margin-bottom: 0; border-bottom: 1px solid var(--group-line); padding: 16px 4px; }
 .knowledge-result strong { font-size: 15px; }
 .knowledge-result.selected { border-radius: 12px; }
 .knowledge-result small { font-size: 12px; }
 .knowledge-reader > header { gap: 8px; padding: 8px 16px 14px; }
 .knowledge-reader > header > div { flex: 1; }
 .knowledge-reader h2 { font-size: 18px; line-height: 1.5; }
 .knowledge-reader .knowledge-back { flex-basis: auto; min-width: 44px; min-height: 44px; }
 .knowledge-reader > header > .button:last-child { margin-left: auto; }
 .knowledge-source-meta { padding-bottom: 12px; margin-bottom: 16px; }
 .knowledge-read-receipt, .knowledge-source-warning { font-size: 12px; }
 .knowledge-local-only { border-radius: 18px; margin: 16px; padding: 24px; }
}