/* ============================================================================
   Knowledge Library — build your own, from the web
   Library design system: engraved display (Cinzel) + EB Garamond body,
   warm parchment / teal / terracotta palette, a light "paper" theme (default)
   and a cozy dark library via [data-theme].
   All class/id hooks used by app.js / kg.js / rag.js / memory.js are preserved.
   ========================================================================== */

/* --- Theme tokens ---------------------------------------------------------- */
/* Default = warm "paper library" (light) — the chosen teal/terracotta template. */
:root,
:root[data-theme="light"] {
  --bg: #f3e8cf;
  --bg-tint-1: rgba(217, 130, 74, 0.13);   /* terracotta warmth */
  --bg-tint-2: rgba(47, 125, 119, 0.10);   /* teal */
  --surface: #fffaef;
  --surface-2: #f6ecd5;
  --surface-3: #efe1c3;
  --border: #e8d8b5;
  --border-strong: #d7c193;
  --text: #3a4540;
  --text-strong: #1f3a36;
  --muted: #897f5f;
  --faint: #aa9f7c;
  --accent: #2b736d;       /* teal */
  --accent-2: #c4673a;     /* terracotta */
  --on-accent: #fff9ee;
  --on-accent-2: #fff9ee;
  --gold: #b07d2a;         /* warm metallic accent (used sparingly) */
  --success: #5a8f3c;      /* sage */
  --warn: #b9802a;
  --error: #c0553c;
  --ring: rgba(43, 115, 109, 0.28);
  --header-bg: rgba(243, 232, 207, 0.85);
  --graph-bg: #16211f;     /* graph canvas stays dark for legibility */
  --code-bg: #f1e6cc;
  --shadow-sm: 0 1px 2px rgba(90, 66, 30, 0.07);
  --shadow: 0 14px 32px -18px rgba(96, 70, 35, 0.30);
  --shadow-lg: 0 28px 60px -26px rgba(96, 70, 35, 0.36);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #241c12;           /* warm walnut — lighter than before, easy on the eyes */
  --bg-tint-1: rgba(224, 145, 90, 0.10);
  --bg-tint-2: rgba(77, 179, 166, 0.08);
  --surface: #2e2418;
  --surface-2: #382c1e;
  --surface-3: #443526;
  --border: #4a3b28;
  --border-strong: #5e4c33;
  --text: #ece2ce;         /* warm off-white, not glaring white */
  --text-strong: #f7efdd;
  --muted: #b8a987;
  --faint: #8f8267;
  --accent: #4db3a6;       /* teal */
  --accent-2: #e0915a;     /* terracotta */
  --on-accent: #181109;
  --on-accent-2: #181109;
  --gold: #caa24a;
  --success: #84c264;
  --warn: #e3b257;
  --error: #ec7a5e;
  --ring: rgba(77, 179, 166, 0.36);
  --header-bg: rgba(36, 28, 18, 0.82);
  --graph-bg: #15201d;
  --code-bg: #382c1e;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow: 0 14px 34px -16px rgba(0, 0, 0, 0.52);
  --shadow-lg: 0 28px 62px -24px rgba(0, 0, 0, 0.58);
  color-scheme: dark;
}

:root {
  --serif: "Cinzel", "Trajan Pro", Georgia, serif;            /* engraved display */
  --sans: "EB Garamond", Georgia, "Times New Roman", serif;   /* old-book body/UI */
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --r-sm: 7px;
  --r: 10px;
  --r-lg: 14px;
  --r-xl: 18px;
  --maxw: 1080px;
}

/* --- Base ------------------------------------------------------------------ */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 17px; }

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    radial-gradient(60rem 60rem at 12% -8%, var(--bg-tint-1), transparent 60%),
    radial-gradient(50rem 50rem at 100% 0%, var(--bg-tint-2), transparent 55%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color .25s ease, color .25s ease;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: color-mix(in srgb, var(--accent) 30%, transparent); }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 999px;
  border: 3px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: var(--faint); background-clip: padding-box; }

:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--ring);
  border-radius: 6px;
}

.hidden { display: none !important; }

/* --- Top bar (brand + tabs), sticky & full-bleed -------------------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--header-bg);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--accent) 22%, transparent);
}
.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0 14px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: inherit;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 32%, #241a0e, #130d06);
  border: 2px solid var(--gold);
  box-shadow: var(--shadow-sm), inset 0 0 0 1px rgba(0, 0, 0, 0.35);
  flex: 0 0 auto;
}
.brand-mark svg { width: 32px; height: 32px; }
/* When a custom logo image (static/owl.png etc.) is supplied, show it instead. */
.brand-mark--img { background: var(--surface); border-color: var(--border); overflow: hidden; }
.brand-img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; border-radius: inherit; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-eyebrow {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--muted);
}
.brand-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-top: 2px;
}
.brand-tag { font-size: 0.76rem; color: var(--muted); letter-spacing: 0.02em; margin-top: 2px; }

.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  transition: color .15s, background .15s, border-color .15s, transform .05s;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface-2); text-decoration: none; }
.icon-btn:active { transform: translateY(1px); }
.icon-btn svg { width: 18px; height: 18px; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }

/* --- Tabs ----------------------------------------------------------------- */
.tabs {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 11px 15px;
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color .14s, border-color .14s;
}
.tab svg { width: 16px; height: 16px; opacity: 0.85; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--text-strong); border-bottom-color: var(--accent); }
.tab.active svg { opacity: 1; color: var(--accent); }

.tab-count {
  background: var(--accent-2);
  color: var(--on-accent-2);
  border-radius: 999px;
  padding: 1px 7px;
  font-size: 0.7rem;
  font-weight: 700;
  min-width: 18px;
  text-align: center;
}

/* --- Layout / panels ------------------------------------------------------ */
/* Public-demo banner (shown only when /api/demo-status reports demo=true) */
.demo-banner {
  max-width: var(--maxw); margin: 0 auto 6px; padding: 10px 16px;
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
  border: 1px solid var(--accent); border-radius: 10px;
  font-size: 0.88rem; line-height: 1.5; color: var(--text);
}
.demo-banner code { font-size: 0.82rem; padding: 1px 5px; border-radius: 4px;
  background: color-mix(in srgb, var(--accent) 16%, transparent); }
.demo-banner a { color: var(--accent); font-weight: 600; white-space: nowrap; }
.demo-banner .demo-low { color: var(--error); font-weight: 700; }
body.demo-mode #provider[disabled], body.demo-mode #model[disabled] { opacity: 0.7; cursor: not-allowed; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 30px 24px 110px;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: panel-in .28s ease both; }
@keyframes panel-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* legacy header (kept harmless if present) */
header h1 { font-family: var(--serif); }
.subtitle { color: var(--muted); }

/* --- Form fields / controls ----------------------------------------------- */
.controls .settings-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 14px;
}
.field { display: flex; flex-direction: column; gap: 5px; min-width: 180px; }
.field-grow { flex: 1 1 220px; }
.field-label {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

select,
input[type="text"],
input[type="number"],
textarea {
  font-family: var(--sans);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  outline: none;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.field select,
.field input[type="text"] {
  padding: 10px 12px;
  font-size: 0.92rem;
}
select:focus,
input:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--ring);
}
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a7f5f' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

.provider-status { font-size: 0.8rem; color: var(--muted); padding-bottom: 10px; }
.provider-status.ok { color: var(--success); }
.provider-status.warn { color: var(--warn); }

.controls .input-row { display: flex; gap: 8px; flex-wrap: wrap; }
#query {
  flex: 1 1 280px;
  min-width: 0;
  padding: 14px 16px;
  font-size: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
#query:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--ring); }

/* --- Buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 13px 18px;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--r);
  cursor: pointer;
  white-space: nowrap;
  transition: transform .05s, filter .15s, background .15s, border-color .15s, box-shadow .15s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: var(--shadow-sm); }
.btn-primary:hover:not(:disabled) { filter: brightness(1.07); }

.btn-secondary { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn-secondary:hover:not(:disabled) { background: var(--surface-3); border-color: var(--border-strong); }

.btn-accent { background: var(--accent-2); color: var(--on-accent-2); box-shadow: var(--shadow-sm); }
.btn-accent:hover:not(:disabled) { filter: brightness(1.06); }

.btn-sm { padding: 7px 12px; font-size: 0.82rem; border-radius: var(--r-sm); }

.hint { color: var(--muted); font-size: 0.85rem; margin: 12px 2px 0; }
kbd {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 1px 6px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text);
}

/* --- Status / results (Read tab) ------------------------------------------ */
.status {
  margin-top: 22px;
  padding: 13px 16px;
  border-radius: var(--r);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}
.status.error { border-color: color-mix(in srgb, var(--error) 50%, var(--border)); color: var(--error); }

.results { margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }

.card, .result-card, .summary-card, .ingest-panel, .agent-panel, .kg-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}

.result-card { padding: 16px 18px; transition: border-color .15s, transform .08s, box-shadow .15s; }
.result-card:hover { border-color: var(--border-strong); transform: translateY(-1px); box-shadow: var(--shadow); }
.result-card h3 { margin: 0 0 4px; font-size: 1.18rem; font-family: var(--sans); font-weight: 700; }
.result-card h3 a { color: var(--text-strong); }
.result-card h3 a:hover { color: var(--accent); }
.result-card .url { color: var(--success); font-size: 0.8rem; word-break: break-all; margin-bottom: 8px; }
.result-card .snippet { color: var(--text); font-size: 0.92rem; margin: 0; }

/* Selectable search results: checkbox on the left, content on the right */
.search-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 12px; padding: 10px 14px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
}
.search-pick-all { font-size: 0.9rem; font-weight: 600; cursor: pointer; user-select: none; }
.search-more { text-align: center; margin-top: 12px; }
.search-pick-all input { margin-right: 6px; vertical-align: middle; }
.result-card.pickable { display: flex; align-items: flex-start; gap: 12px; }
.result-card.pickable .search-pick { margin-top: 5px; width: 17px; height: 17px; flex: 0 0 auto; cursor: pointer; }
.result-card.pickable .result-card-body { flex: 1 1 auto; min-width: 0; }

.summary-card { padding: 24px 26px; max-width: 860px; }
.summary-card .meta {
  display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center;
  margin-bottom: 16px; font-size: 0.82rem; color: var(--muted);
}
.summary-card .meta a { color: var(--accent); word-break: break-all; }
.badge, .summary-card .badge {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 11px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
}
.summary-card h2 { margin: 0 0 14px; font-size: 1.7rem; font-family: var(--sans); font-weight: 700; line-height: 1.25; color: var(--text-strong); }
.summary-card .summary-body { white-space: pre-wrap; font-size: 0.98rem; max-width: 72ch; }
.summary-card .summary-body.context-extract {
  max-height: 360px; overflow-y: auto;
  padding: 14px 16px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface-2); font-size: 0.92rem; line-height: 1.5;
}
.context-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }

.spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  vertical-align: -2px; margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Ingest panel --------------------------------------------------------- */
.ingest-panel { padding: 18px 20px; margin-bottom: 20px; }
.ingest-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; flex-wrap: wrap; gap: 10px; }
.section-label, .ingest-header h3, .kg-section-head h3, .agent-head h3 {
  margin: 0;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 700;
  color: var(--muted);
}
.ingest-mode-tabs { display: flex; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 3px; }
.ingest-mode-tab { background: transparent; border: none; color: var(--muted); padding: 6px 14px; font-size: 0.85rem; font-weight: 600; cursor: pointer; border-radius: 7px; transition: background .12s, color .12s; }
.ingest-mode-tab:hover { color: var(--text); }
.ingest-mode-tab.active { background: var(--surface-2); color: var(--text); box-shadow: var(--shadow-sm); }
.ingest-mode { display: none; }
.ingest-mode.active { display: block; }

.drop-zone {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  padding: 34px 16px; border: 1.5px dashed var(--border-strong); border-radius: var(--r);
  color: var(--muted); cursor: pointer; text-align: center; transition: border-color .15s, background .15s, color .15s;
}
.drop-zone:hover, .drop-zone.dragover { border-color: var(--accent); background: var(--bg-tint-1); color: var(--text); }
.drop-zone strong { color: var(--text); }
.drop-zone span { font-size: 0.85rem; }

.file-list { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.file-list:empty { display: none; }
.file-row { display: flex; justify-content: space-between; align-items: center; padding: 9px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-sm); font-size: 0.85rem; }
.file-row .file-name { color: var(--text); word-break: break-all; }
.file-row .file-meta { color: var(--muted); font-size: 0.78rem; margin-left: 8px; }
.file-row button { background: transparent; border: none; color: var(--muted); cursor: pointer; padding: 2px 6px; }
.file-row button:hover { color: var(--error); }

#urlInput, #textInput, #textTitle, #ragUrls, #ragQuestion, #memText {
  width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-sm);
  color: var(--text); padding: 11px 13px; font-family: inherit; font-size: 0.92rem; outline: none; resize: vertical;
  transition: border-color .15s, box-shadow .15s;
}
#textTitle { margin-bottom: 8px; }
#urlInput:focus, #textInput:focus, #textTitle:focus, #ragUrls:focus, #ragQuestion:focus, #memText:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px var(--ring);
}

.ingest-options { display: flex; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.ingest-options .field { min-width: 120px; }
.ingest-options .field-grow { flex: 1 1 200px; }
.ingest-options input[type="number"], .ingest-options input[type="text"] {
  padding: 9px 11px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-sm);
  color: var(--text); font-size: 0.9rem; outline: none; width: 100%;
}

.ingest-actions { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.ingest-progress { font-size: 0.85rem; color: var(--muted); flex: 1; }
.ingest-progress.ok { color: var(--success); }
.ingest-progress.error { color: var(--error); }

/* --- Knowledge-graph tab -------------------------------------------------- */
.kg-toolbar { display: flex; gap: 8px; margin-bottom: 16px; }
.kg-toolbar input {
  flex: 1; padding: 12px 14px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); color: var(--text); font-size: 0.95rem; outline: none;
}
.kg-toolbar input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--ring); }

.kg-summary { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.kg-stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r);
  padding: 9px 14px; font-size: 0.82rem; color: var(--muted);
}
.kg-stat span { color: var(--text-strong); font-weight: 700; font-size: 1.05rem; margin-right: 5px; font-variant-numeric: tabular-nums; }

.kg-layout { display: grid; grid-template-columns: 340px 1fr; gap: 16px; }
@media (max-width: 900px) { .kg-layout { grid-template-columns: 1fr; } }

.kg-sidebar { display: flex; flex-direction: column; gap: 14px; }
.kg-section { display: flex; flex-direction: column; overflow: hidden; }
.kg-section-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border-bottom: 1px solid var(--border); }

.kg-list { padding: 8px; max-height: 380px; overflow-y: auto; }
.kg-item { padding: 11px 12px; border-radius: var(--r-sm); border: 1px solid transparent; margin-bottom: 6px; cursor: pointer; transition: background .1s, border-color .1s; }
.kg-item:hover { background: var(--surface-2); border-color: var(--border); }
.kg-item .kg-preview { font-size: 0.88rem; color: var(--text); margin-bottom: 6px; line-height: 1.5; }
.kg-item .kg-meta { font-size: 0.72rem; color: var(--muted); display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.kg-tag { background: var(--surface-2); border: 1px solid var(--border); border-radius: 5px; padding: 1px 7px; font-size: 0.72rem; }
.kg-tag.danger { background: color-mix(in srgb, var(--error) 16%, transparent); color: var(--error); border-color: color-mix(in srgb, var(--error) 35%, transparent); cursor: pointer; }
.kg-list .empty, .empty { text-align: center; color: var(--muted); padding: 22px 12px; font-size: 0.85rem; }

.kg-main { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.kg-graph {
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(77, 179, 166, 0.14), transparent 60%),
    var(--graph-bg);
  border: 1px solid var(--border); border-radius: var(--r-lg); height: 500px; overflow: hidden;
}

/* Zoom / pan view controls overlaid on the graph */
.kg-graph-wrap { position: relative; }
.kg-controls {
  position: absolute; right: 12px; bottom: 12px; z-index: 5;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.kg-dpad { display: grid; grid-template-columns: repeat(3, auto); gap: 3px; }
.kg-ctl-up { grid-column: 2; grid-row: 1; }
.kg-ctl-left { grid-column: 1; grid-row: 2; }
.kg-ctl-fit { grid-column: 2; grid-row: 2; }
.kg-ctl-right { grid-column: 3; grid-row: 2; }
.kg-ctl-down { grid-column: 2; grid-row: 3; }
.kg-ctl {
  width: 30px; height: 30px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.95rem; line-height: 1; cursor: pointer; color: var(--text);
  background: var(--surface);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  border: 1px solid var(--border); border-radius: 7px; box-shadow: var(--shadow);
  user-select: none; -webkit-user-select: none;
}
.kg-ctl:hover { border-color: var(--accent); color: var(--accent); }
.kg-ctl:active { transform: translateY(1px); }
.kg-detail { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 16px 18px; font-size: 0.92rem; line-height: 1.6; word-break: break-word; }
.kg-detail.empty { color: var(--muted); font-style: italic; text-align: left; padding: 16px 18px; }
.kg-detail a { color: var(--accent); }

.kg-granularity { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.kg-granularity select { padding: 7px 28px 7px 10px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm); color: var(--text); font-size: 0.85rem; outline: none; }

.kg-legend { display: flex; gap: 6px; flex-wrap: wrap; }
.legend-chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 11px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 999px;
  font-size: 0.76rem; color: var(--text); cursor: pointer; user-select: none; transition: opacity .12s, border-color .12s;
}
.legend-chip:hover { border-color: var(--border-strong); }
.legend-chip.off { opacity: 0.4; text-decoration: line-through; }
.layer-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; flex: 0 0 auto; }

/* --- Modal ---------------------------------------------------------------- */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(3px); }
.modal-content {
  position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl);
  width: min(640px, 100%); padding: 24px 26px; max-height: 92vh; overflow-y: auto; box-shadow: var(--shadow-lg);
}
.modal-content h2 { margin: 0 0 18px; font-size: 1.3rem; font-family: var(--serif); font-weight: 600; }

.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-field > span { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.form-field input, .form-field textarea {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-sm); color: var(--text);
  padding: 10px 12px; font-family: inherit; font-size: 0.92rem; outline: none; resize: vertical;
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--ring); }
.form-row { display: flex; gap: 12px; }
.form-row .form-field { flex: 1; min-width: 0; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 6px; }

.selection-menu { position: absolute; z-index: 80; background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: var(--r-sm); padding: 4px; box-shadow: var(--shadow-lg); }
.selection-menu button { background: transparent; color: var(--text); border: none; padding: 7px 12px; font-size: 0.85rem; font-weight: 600; cursor: pointer; border-radius: 6px; }
.selection-menu button:hover { background: var(--accent); color: var(--on-accent); }

/* --- Agent / Q&A panels --------------------------------------------------- */
.agent-panel { padding: 18px 20px; margin-bottom: 20px; }
.agent-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.agent-ask-row { display: flex; gap: 8px; flex-wrap: wrap; }
#askInput, #memRecallInput {
  flex: 1 1 280px; min-width: 0; padding: 12px 14px; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--r); color: var(--text); font-size: 0.95rem; outline: none; transition: border-color .15s, box-shadow .15s;
}
#askInput:focus, #memRecallInput:focus { border-color: var(--accent-2); box-shadow: 0 0 0 3px var(--ring); }

.ask-answer { margin-top: 14px; padding: 16px 18px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--r); font-size: 0.93rem; }
.ask-answer h4 { margin: 14px 0 6px; font-size: 0.95rem; color: var(--accent); font-weight: 700; }
.ask-answer h4:first-child { margin-top: 0; }
.ask-body { max-width: 74ch; }
.ask-answer p { margin: 6px 0; }
.ask-answer ul { margin: 6px 0; padding-left: 20px; }
.ask-answer li { margin: 3px 0; }
.ask-answer code, code { background: var(--code-bg); border-radius: 5px; padding: 1px 5px; font-family: var(--mono); font-size: 0.85em; }
.ask-thinking { color: var(--muted); }
.ask-note { margin-top: 10px; color: var(--muted); font-size: 0.85rem; font-style: italic; }
.ask-foot { margin-top: 14px; padding-top: 11px; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.8rem; }
.ask-citations { margin-top: 12px; }
.ask-more { text-align: center; margin-top: 12px; }
.ask-citations .cite { padding: 9px 11px; margin-bottom: 6px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm); font-size: 0.86rem; }
.cite-id { font-family: var(--mono); font-size: 0.74rem; color: var(--accent); margin-right: 6px; }
.ask-citations .cite-prev, .cite-prev { margin-top: 4px; color: var(--muted); font-size: 0.8rem; }

.rag-toggle { font-size: 0.82rem; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.rag-toggle input { accent-color: var(--accent); }

/* --- Memory tab ----------------------------------------------------------- */
.mem-badge {
  border-radius: 5px; padding: 1px 7px; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.02em;
  background: var(--surface-2); color: var(--text); border: 1px solid var(--border);
}
.mem-badge.mem-fact { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.mem-badge.mem-answer { color: var(--accent-2); border-color: color-mix(in srgb, var(--accent-2) 50%, transparent); }
.mem-badge.mem-preference { color: var(--success); border-color: color-mix(in srgb, var(--success) 50%, transparent); }
.mem-badge.mem-gap { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 50%, transparent); }
.mem-badge.mem-correction { color: var(--error); border-color: color-mix(in srgb, var(--error) 50%, transparent); }
.mem-badge.mem-observation { color: var(--muted); }
.mem-act { cursor: pointer; }
.mem-act:hover { background: var(--surface-3); filter: brightness(1.15); }

/* --- Agent Skills tab ----------------------------------------------------- */
.skill-badge {
  border-radius: 5px; padding: 1px 7px; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.02em;
  background: var(--surface-2); color: var(--text); border: 1px solid var(--border);
}
.skill-st-accepted { color: var(--success); border-color: color-mix(in srgb, var(--success) 50%, transparent); }
.skill-st-pending_review { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.skill-st-needs_revision { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 50%, transparent); }
.skill-st-rejected { color: var(--error); border-color: color-mix(in srgb, var(--error) 50%, transparent); }
.skill-st-draft, .skill-st-evaluated { color: var(--muted); }
.skill-gate-accept { color: var(--success); border-color: color-mix(in srgb, var(--success) 50%, transparent); }
.skill-gate-review { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 50%, transparent); }
.skill-gate-reject { color: var(--error); border-color: color-mix(in srgb, var(--error) 50%, transparent); }
.skill-act { cursor: pointer; }
.skill-act:hover { background: var(--surface-3); filter: brightness(1.1); }
.skill-act.ok { color: var(--success); border-color: color-mix(in srgb, var(--success) 35%, transparent); }
.skill-card { cursor: default; }
.skill-review-row { display: flex; gap: 8px; margin: 8px 0 6px; }
.skill-review-row .skill-notes { flex: 1; }
.skill-review-row input { font-size: 0.82rem; padding: 6px 9px; border: 1px solid var(--border); border-radius: var(--r-sm); background: var(--surface); color: var(--text); }
.skill-review-row .skill-score { width: 96px; }
.skill-detail { margin-top: 8px; }
.skill-detail h4 { margin: 10px 0 4px; font-size: 0.82rem; }
.skill-md {
  white-space: pre-wrap; word-break: break-word; font-family: var(--mono); font-size: 0.78rem;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-sm);
  padding: 10px 12px; max-height: 360px; overflow: auto; color: var(--text);
}
/* Pulse the tab badge when the review queue gains an item while you're elsewhere. */
@keyframes skillBadgePulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.45); } }
.tab-count.skill-badge-pulse { animation: skillBadgePulse 0.85s ease-in-out 3; }

/* --- Footer --------------------------------------------------------------- */
.site-footer {
  max-width: var(--maxw); margin: 0 auto; padding: 28px 24px 48px;
  color: var(--faint); font-size: 0.82rem; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.site-footer a { color: var(--muted); }

/* --- Cached content store (Read extract / KG + Q&A pickers) ---------------- */
.extract-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 14px; color: var(--muted);
  font-size: 0.9rem;
}
.extract-head-right { display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* Result sort dropdown (Read search + extracted results) */
.result-sort {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.82rem; color: var(--muted); white-space: nowrap;
}
.result-sort select {
  font: inherit; font-size: 0.82rem; padding: 4px 8px; border-radius: 7px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer;
}
.result-sort select:hover { border-color: var(--border-strong); }
.search-toolbar .result-sort { margin-left: auto; }   /* push sort to the right of Select all */
.search-toolbar #extractSelectedBtn { margin-left: 10px; }
.cache-vectorize { margin-top: 6px; }
.cache-picker-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin: 8px 0;
}
.cache-picker-list {
  display: flex; flex-direction: column; gap: 6px;
  max-height: 280px; overflow-y: auto;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  padding: 8px; background: var(--surface);
}
.cache-row {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 8px 10px; border-radius: var(--r-sm); cursor: pointer;
  border: 1px solid transparent;
}
.cache-row:hover { background: var(--surface-2); border-color: var(--border); }
.cache-row input[type="checkbox"] { margin-top: 3px; flex: none; }
.cache-row-main { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.cache-row-title { color: var(--text-strong); font-weight: 600; }
.cache-row-meta {
  color: var(--muted); font-size: 0.8rem;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%;
}
.cache-empty { color: var(--muted); font-size: 0.88rem; padding: 14px 8px; text-align: center; }

/* Q&A focus disclosure */
.rag-focus { margin: 10px 0 4px; }
.rag-focus > summary {
  cursor: pointer; color: var(--accent); font-size: 0.88rem; font-weight: 600; padding: 4px 0;
}
.rag-focus > summary em { color: var(--text-strong); font-style: italic; }
.rag-focus .cache-picker-list { max-height: 220px; }

/* Cache tab: browse + manage all cached items */
.cache-browser-toolbar { display: flex; gap: 10px; align-items: center; margin: 10px 0 12px; }
.cache-browser-toolbar input {
  flex: 1; padding: 9px 12px; border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--surface); color: var(--text); font-size: 0.9rem;
}
.cache-browser-list { display: flex; flex-direction: column; gap: 8px; }
.cache-item {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--surface);
}
.cache-item-main { flex: 1; min-width: 0; }
.cache-item-title { color: var(--text-strong); font-weight: 600; }
.cache-item-meta {
  color: var(--muted); font-size: 0.8rem; margin-top: 2px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cache-item-badges { display: flex; gap: 6px; flex: none; }
.cache-item-actions { display: flex; gap: 6px; flex: none; }
.cache-b-kg { background: color-mix(in srgb, var(--accent) 22%, var(--surface-2)); }
.cache-b-vec { background: color-mix(in srgb, var(--success) 22%, var(--surface-2)); }
.cache-b-drift { background: color-mix(in srgb, var(--accent-2) 30%, var(--surface-2)); color: var(--text-strong); }
.cache-del { color: var(--accent-2); border-color: var(--border); }
.cache-del:hover { border-color: var(--accent-2); background: color-mix(in srgb, var(--accent-2) 12%, transparent); }
.cache-detail {
  margin-top: 14px; padding: 14px 16px; border: 1px solid var(--border);
  border-radius: var(--r); background: var(--bg);
}
.cache-detail-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.cache-detail-head h3 { margin: 0; }
.cache-raw {
  white-space: pre-wrap; word-break: break-word; max-height: 360px; overflow-y: auto;
  margin: 10px 0 0; padding: 12px; border-radius: var(--r-sm);
  background: var(--surface); border: 1px solid var(--border);
  font-size: 0.85rem; line-height: 1.5; color: var(--text);
}

/* --- Responsive ----------------------------------------------------------- */
@media (max-width: 560px) {
  .brand-tag { display: none; }
  .brand-name { font-size: 1.3rem; }
  .container { padding: 22px 16px 90px; }
  .topbar-inner { padding: 0 16px; }
  .tab span:not(.tab-count) { /* keep labels */ }
}