M17: ground knowledge and integration evidence

frontend/src/styles.css

@@ -382,11 +382,29 @@ details summary { cursor: pointer; color: var(--teal-dark); }.data-table details
 .scenario-card > .button[aria-disabled="true"] { opacity: .55; cursor: not-allowed; pointer-events: none; }
 
 .knowledge-status { min-height: 58px; display: flex; align-items: center; gap: 11px; margin-bottom: 14px; padding: 10px 16px; background: white; border: 1px solid var(--line); border-radius: var(--radius); }.knowledge-status div { flex: 1; display: grid; gap: 3px; }.knowledge-status strong { font-size: .74rem; }.knowledge-status span:not(.health-orb), .knowledge-status small { color: var(--muted); font-size: .65rem; }.health-orb { width: 9px; height: 9px; border-radius: 50%; }.health-orb.is-healthy { background: var(--success); box-shadow: 0 0 0 4px var(--success-pale); }.health-orb.is-down { background: var(--critical); box-shadow: 0 0 0 4px var(--critical-pale); }
+.knowledge-status.is-loading .health-orb { background: var(--line-strong); animation: pulse-soft 1.2s ease-in-out infinite; }
+
+@keyframes pulse-soft {
+  0%, 100% { opacity: 0.45; }
+  50% { opacity: 1; }
+}
 .knowledge-form { margin-bottom: 18px; }.ask-heading { display: flex; gap: 11px; align-items: center; margin-bottom: 15px; }.ask-heading > span { width: 36px; height: 36px; display: grid; place-items: center; color: var(--teal-dark); background: var(--teal-pale); border-radius: var(--radius); }.ask-heading svg { width: 18px; }.ask-heading h2 { margin: 0; font-size: .95rem; }.ask-heading p { margin: 3px 0 0; color: var(--muted); font-size: .65rem; }
 .knowledge-input-row { display: flex; gap: 8px; }.knowledge-input-row input { min-width: 0; flex: 1; }.knowledge-empty { min-height: 290px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 30px; color: var(--muted); background: white; border: 1px dashed var(--line-strong); border-radius: var(--radius); }.knowledge-empty > span { width: 50px; height: 50px; display: grid; place-items: center; color: var(--teal-dark); background: var(--teal-pale); border-radius: 50%; }.knowledge-empty svg { width: 22px; }.knowledge-empty h2 { margin: 15px 0 7px; color: var(--ink); font-size: 1rem; }.knowledge-empty p { max-width: 540px; margin: 0; font-size: .75rem; line-height: 1.5; }
 .retrieval-flow { display: flex; align-items: center; gap: 8px; margin-top: 24px; }.retrieval-flow span { padding: 6px 9px; color: var(--ink-soft); background: var(--surface-subtle); border: 1px solid var(--line); font-size: .61rem; font-weight: 700; }.retrieval-flow i { width: 24px; border-top: 1px dashed var(--teal); }
 .exchange-list, .source-cards { list-style: none; margin: 0; padding: 0; }.exchange-list { display: grid; gap: 14px; }.exchange-question { display: grid; gap: 5px; margin: 0 0 10px; font-size: .85rem; }.exchange-question strong { color: var(--muted); font-size: .6rem; text-transform: uppercase; letter-spacing: .08em; }.evidence-state { width: max-content; padding: 4px 8px; border-radius: 999px; font-size: .62rem; font-weight: 700; }.evidence-grounded { color: var(--success); background: var(--success-pale); }.evidence-insufficient { color: var(--warning); background: var(--warning-pale); }.evidence-unavailable { color: var(--critical); background: var(--critical-pale); }
 .source-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 9px; margin-top: 13px; }.source-card { padding: 13px; background: var(--surface-subtle); border: 1px solid var(--line); }.source-title { margin: 0; font-size: .73rem; font-weight: 700; }.source-version { color: var(--muted); font-size: .62rem; }.source-section { margin: 5px 0; color: var(--teal-dark); font-size: .65rem; font-weight: 700; }.source-excerpt { margin: 0; color: var(--muted); font-size: .68rem; line-height: 1.45; }
+.source-cards-collapsed { grid-template-columns: 1fr; }
+.source-cards-collapsed .source-card { padding: 0; border-radius: var(--radius-sm); }
+.source-cards-collapsed summary { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 9px; padding: 12px 13px; cursor: pointer; }
+.source-cards-collapsed details[open] summary { border-bottom: 1px solid var(--line); }
+.source-cards-collapsed .source-number { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; color: var(--teal-dark); background: var(--teal-pale); font-size: .64rem; font-weight: 800; }
+.source-cards-collapsed .source-section { margin: 0; text-align: right; }
+.source-cards-collapsed .source-excerpt { padding: 13px 13px 5px; }
+.source-cards-collapsed .source-version { margin: 0; padding: 0 13px 13px; }
+.exchange-timing { margin: -2px 0 12px; color: var(--muted); font-size: .65rem; }
+.knowledge-feedback { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: .68rem; }
+.knowledge-feedback button { min-height: 34px; padding: 5px 10px; }
+.knowledge-feedback button.is-selected { color: var(--teal-dark); border-color: var(--teal); background: var(--teal-pale); }
 
 .state-panel { min-height: 180px; display: flex; align-items: center; justify-content: center; gap: 12px; padding: 28px; color: var(--muted); background: white; border: 1px solid var(--line); border-radius: var(--radius); text-align: left; }.state-panel svg { width: 24px; color: var(--critical); }.state-panel strong { color: var(--ink); font-size: .82rem; }.state-panel p { margin: 4px 0 0; font-size: .73rem; }.spinner { width: 22px; height: 22px; border: 2px solid var(--line); border-top-color: var(--teal); border-radius: 50%; animation: spin .7s linear infinite; }@keyframes spin { to { transform: rotate(360deg); } }.state-empty svg { color: var(--teal-dark); }
 .error { color: #9f2929; font-size: .74rem; font-weight: 600; }