.project-knowledge-entry { align-self: flex-start; margin: 4px 16px; padding: 6px 12px; border: 1px solid var(--cf-line-strong, #dedede); border-radius: 12px; background: var(--cf-panel, #fff); color: inherit; cursor: pointer; }
.project-knowledge-dialog {
    box-sizing: border-box; margin: auto; width: min(820px, calc(100vw - 32px)); max-height: 90dvh;
    overflow: auto; overscroll-behavior: contain; padding: 24px; border: 1px solid var(--cf-line, #ececec);
    border-radius: 20px; background: var(--cf-panel, #fff); color: var(--cf-text, #171717);
    box-shadow: 0 24px 80px #0003; font: 14px/1.6 var(--cf-font, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif); color-scheme: light;
}
html[data-theme="dark"] .project-knowledge-dialog { color-scheme: dark; }
.project-knowledge-dialog::backdrop { background: var(--cf-overlay, #0006); backdrop-filter: blur(4px); }
.project-knowledge-dialog header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.project-knowledge-dialog h2 { margin: 0; font-size: 20px; line-height: 1.5; font-weight: 650; overflow-wrap: anywhere; }
.project-knowledge-dialog header button { flex-shrink: 0; color: var(--cf-muted, #737373); }
.project-knowledge-dialog form, .project-knowledge-dialog label { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.project-knowledge-dialog form { gap: 16px; }
.project-knowledge-dialog label { color: var(--cf-text-2, #404040); font-size: 13px; }
.project-knowledge-dialog input, .project-knowledge-dialog textarea, .project-knowledge-dialog select {
    box-sizing: border-box; width: 100%; min-width: 0; padding: 10px 12px; border: 1px solid var(--cf-line-strong, #dedede);
    border-radius: 10px; background: var(--cf-raised, #fff); color: var(--cf-text, #171717); font: inherit; font-size: 16px;
}
.project-knowledge-dialog input::placeholder { color: var(--cf-faint, #a3a3a3); }
.project-knowledge-dialog textarea { min-height: 220px; resize: vertical; line-height: 1.7; }
.project-knowledge-dialog button { min-height: 40px; padding: 8px 14px; border: 1px solid var(--cf-line-strong, #dedede); border-radius: 10px; background: var(--cf-panel, #fff); color: inherit; cursor: pointer; font: inherit; font-weight: 500; }
.project-knowledge-dialog button:hover { background: var(--cf-hover, #f4f4f5); }
.project-knowledge-dialog button:disabled { opacity: .5; cursor: wait; }
.project-knowledge-dialog :is(button, input, select, textarea):focus-visible { outline: 2px solid var(--cf-muted, #737373); outline-offset: 3px; }
.project-knowledge-dialog .knowledge-primary, .project-knowledge-dialog button[type="submit"] { background: var(--cf-accent, #171717); border-color: transparent; color: var(--cf-on-accent, #fff); }
.project-knowledge-dialog .knowledge-primary:hover, .project-knowledge-dialog button[type="submit"]:hover { background: var(--cf-accent-hover, #333); }
/* Override the shared dark dialog button rules while preserving action hierarchy. */
html[data-theme="dark"] .project-knowledge-dialog .knowledge-primary,
html[data-theme="dark"] .project-knowledge-dialog button[type="submit"] { background: var(--cf-accent) !important; color: var(--cf-on-accent) !important; }
html[data-theme="dark"] .project-knowledge-dialog .knowledge-document-title { background: transparent !important; color: var(--cf-text) !important; }
.project-knowledge-dialog pre, .project-knowledge-dialog p { white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; line-height: 1.7; }
.project-knowledge-dialog pre { padding: 18px; background: var(--cf-bg, #fafafa); border: 1px solid var(--cf-line, #ececec); border-radius: 12px; }
.project-knowledge-dialog details { padding: 14px 0; border-bottom: 1px solid var(--cf-line, #ececec); }
.project-knowledge-dialog summary { cursor: pointer; }
.project-knowledge-dialog [role="alert"] { color: var(--cf-red, #b42318); }
.project-knowledge-dialog [role="alert"]:empty { display: none; }
.project-knowledge-dialog .knowledge-intro { margin: -6px 0 4px; color: var(--cf-text-2, #404040); }
.project-knowledge-dialog .knowledge-hint { margin: 0 0 16px; color: var(--cf-muted, #737373); font-size: 12px; }
.knowledge-types { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.project-knowledge-dialog .knowledge-types button { min-height: 36px; padding: 6px 12px; border-color: transparent; border-radius: 8px; color: var(--cf-muted, #737373); font-size: 13px; }
.project-knowledge-dialog .knowledge-types button[aria-pressed="true"] { background: var(--cf-accent, #171717); color: var(--cf-on-accent, #fff); }
html[data-theme="dark"] .project-knowledge-dialog .knowledge-types button[aria-pressed="true"] { background: var(--cf-accent) !important; color: var(--cf-on-accent) !important; }
.project-knowledge-dialog .knowledge-filters { display: flex; flex-direction: row; align-items: center; gap: 8px; }
.project-knowledge-dialog .knowledge-filters input { flex: 1; height: 38px; padding: 7px 12px; }
.project-knowledge-dialog .knowledge-filters button { flex-shrink: 0; min-height: 38px; padding: 6px 14px; font-size: 13px; }
.knowledge-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 16px 0 0; }
.knowledge-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 14px 0 10px; }
.knowledge-toolbar .knowledge-actions { margin: 0; }
.project-knowledge-dialog .knowledge-count { margin: 0; color: var(--cf-muted, #737373); font-size: 12px; white-space: nowrap; }
.knowledge-list { border: 1px solid var(--cf-line, #ececec); border-radius: 14px; overflow: hidden; }
.knowledge-list[aria-busy="true"] { opacity: .6; }
.knowledge-card { position: relative; padding: 16px 18px 16px 58px; border-bottom: 1px solid var(--cf-line, #ececec); }
.knowledge-card::before { content: '≡'; position: absolute; left: 18px; top: 17px; display: grid; place-items: center; width: 28px; height: 34px; border: 1px solid var(--cf-line-strong, #dedede); border-radius: 6px; background: var(--cf-bg, #fafafa); color: var(--cf-muted, #737373); font-size: 20px; line-height: 1; }
.project-knowledge-dialog .knowledge-description { margin: 4px 0 0; color: var(--cf-muted, #737373); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.knowledge-card:last-child { border-bottom: 0; }
.knowledge-card:hover { background: var(--cf-hover, #f4f4f5); }
.project-knowledge-dialog .knowledge-document-title { display: block; width: 100%; min-height: 0; border: 0; border-radius: 4px; padding: 0 20px 0 0; background: transparent; text-align: left; font-size: 15px; font-weight: 600; line-height: 1.6; overflow-wrap: anywhere; }
.knowledge-document-title::after { content: '›'; position: absolute; right: 18px; top: 16px; color: var(--cf-faint, #a3a3a3); font-size: 20px; font-weight: 400; }
.knowledge-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 9px; color: var(--cf-muted, #737373); font-size: 12px; }
.knowledge-category { padding: 2px 8px; border-radius: 5px; background: var(--cf-chip, #f4f4f5); color: var(--cf-text-2, #525252); }
.knowledge-meta time { margin-left: auto; font-variant-numeric: tabular-nums; }
.knowledge-empty { padding: 36px 20px; text-align: center; }
.knowledge-empty h3 { margin: 0 0 8px; font-size: 16px; }
.knowledge-empty p { margin: 0; color: var(--cf-muted, #737373); }
.chat-session-menu-panel .project-knowledge-entry { margin: 0; border-radius: 4px; color: inherit; font: inherit; white-space: nowrap; }
@media (max-width: 600px) {
    .project-knowledge-dialog { width: calc(100vw - 20px); max-height: calc(100dvh - 32px - env(safe-area-inset-top) - env(safe-area-inset-bottom)); padding: 18px 16px; border-radius: 18px; }
    .project-knowledge-dialog h2 { font-size: 19px; }
    .project-knowledge-dialog button { min-height: 44px; }
    .project-knowledge-dialog .knowledge-types button { min-height: 44px; padding: 6px 10px; }
    .project-knowledge-dialog .knowledge-filters input, .project-knowledge-dialog .knowledge-filters button { min-height: 44px; }
    .knowledge-toolbar { flex-wrap: wrap; margin-top: 16px; }
    .knowledge-toolbar .knowledge-actions { gap: 6px; }
    .knowledge-toolbar button { padding: 8px 10px; font-size: 13px; }
    .knowledge-card { padding: 14px 14px 14px 48px; }
    .knowledge-card::before { left: 12px; width: 24px; height: 30px; }
    .project-knowledge-dialog .knowledge-document-title { min-height: 44px; display: flex; align-items: center; }
    .knowledge-meta { gap: 8px; margin-top: 6px; }
    .knowledge-meta time { flex-basis: 100%; margin-left: 0; }
    .project-knowledge-dialog pre { padding: 12px; }
}
.project-knowledge-dialog .knowledge-proposal { padding: 16px 0; border-bottom: 1px solid var(--cf-line, #ececec); }
.project-knowledge-dialog .knowledge-proposal:last-child { border-bottom: 0; }
.project-knowledge-dialog .knowledge-proposal .knowledge-hint { margin: 0; }
.project-knowledge-dialog .knowledge-preview { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.project-knowledge-dialog .knowledge-preview p, .project-knowledge-dialog .knowledge-preview ul { margin: 0; color: var(--cf-text-2, #404040); font-size: 13px; }
.project-knowledge-dialog .knowledge-diff { max-height: 280px; overflow: auto; padding: 8px 0; border: 1px solid var(--cf-line, #ececec); border-radius: 10px; font: 13px/1.6 var(--cf-mono, ui-monospace, SFMono-Regular, Menlo, monospace); }
.project-knowledge-dialog .knowledge-diff div { padding: 0 12px; white-space: pre-wrap; overflow-wrap: anywhere; }
.project-knowledge-dialog .knowledge-diff-add { background: #16a34a1f; color: var(--cf-text, #171717); }
.project-knowledge-dialog .knowledge-diff-del { background: #dc26261f; color: var(--cf-muted, #737373); text-decoration: line-through; }
.project-knowledge-dialog .knowledge-skipped { margin-top: 16px; color: var(--cf-muted, #737373); font-size: 13px; }
.project-knowledge-dialog .knowledge-skipped ul { margin: 8px 0 0; padding-left: 20px; overflow-wrap: anywhere; }