:root {
  --ink: #172a2a;
  --muted: #667775;
  --faint: #91a19f;
  --paper: #f4f7f2;
  --panel: #ffffff;
  --line: #dce3dd;
  --line-dark: #c6d1ca;
  --teal: #1a7268;
  --teal-dark: #11584f;
  --teal-soft: #e6f2ee;
  --blue: #386a91;
  --blue-soft: #e7f0f7;
  --plum: #76536c;
  --plum-soft: #f2eaf0;
  --amber: #bd7a25;
  --amber-soft: #fbf1e2;
  --danger: #a3413d;
  --danger-soft: #fae9e7;
  --shadow: 0 18px 50px rgba(24, 48, 44, .14);
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; }
body { color: var(--ink); background: var(--paper); font-family: "DM Sans", sans-serif; font-size: 14px; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.immersive-workspace { width: 100%; height: 100%; position: relative; overflow: hidden; }
.immersive-canvas { width: 100%; height: 100%; display: block; outline: none; cursor: grab; touch-action: none; user-select: none; }
.immersive-canvas.is-panning { cursor: grabbing; }
.immersive-canvas:focus-visible { box-shadow: inset 0 0 0 3px rgba(26,114,104,.2); }

.floating-header {
  min-height: 64px;
  position: fixed;
  top: 16px;
  left: 16px;
  right: 16px;
  z-index: 20;
  padding: 0 10px;
  display: grid;
  grid-template-columns: 190px auto minmax(220px, 380px) 1fr auto;
  align-items: center;
  border: 1px solid rgba(198,209,202,.9);
  border-radius: 14px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 12px 35px rgba(24,48,44,.1);
  backdrop-filter: blur(16px);
}
.canvas-brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; color: white; background: var(--teal); font: 700 14px Manrope, sans-serif; }
.canvas-brand strong, .canvas-brand small { display: block; }
.canvas-brand strong { font: 700 15px Manrope, sans-serif; }
.canvas-brand small { margin-top: 1px; color: var(--muted); font-size: 12px; }
.app-nav { display: inline-flex; align-items: center; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 10px; background: #f7faf7; }
.app-nav a { padding: 7px 10px; border-radius: 7px; color: var(--muted); text-decoration: none; font-size: 12px; font-weight: 700; white-space: nowrap; }
.app-nav a:hover { color: var(--ink); }
.app-nav a.active { color: var(--teal); background: white; box-shadow: 0 1px 4px rgba(24,48,44,.1); }
.save-state { justify-self: center; display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; }
.save-state i { width: 7px; height: 7px; border-radius: 50%; background: #45a27c; box-shadow: 0 0 0 4px #e3f3ec; }
.save-state.dirty i { background: var(--amber); box-shadow: 0 0 0 4px var(--amber-soft); }
.header-actions { display: flex; gap: 7px; }
.ui-button { min-height: 36px; padding: 0 13px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line-dark); border-radius: 9px; color: var(--ink); background: white; text-decoration: none; cursor: pointer; font-size: 12px; font-weight: 700; transition: 140ms ease; }
.ui-button.compact { padding-inline: 10px; }
.ui-button:hover { border-color: #9eb4aa; transform: translateY(-1px); }
.ui-button.primary { color: white; border-color: var(--teal); background: var(--teal); }
.ui-button.primary:hover { background: var(--teal-dark); }
.ui-button.danger { color: var(--danger); border-color: #e6bbb6; background: var(--danger-soft); }
.ui-button.small { min-height: 30px; padding: 0 9px; }

.agent-search-wrap { height: 40px; position: relative; padding: 0 11px; display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 10px; color: var(--faint); background: #f8faf7; }
.agent-search-wrap input { width: 100%; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: 13px; }
.search-results { width: 100%; max-height: 360px; position: absolute; top: 47px; left: 0; overflow-y: auto; border: 1px solid var(--line-dark); border-radius: 11px; background: white; box-shadow: var(--shadow); }
.search-results[hidden] { display: none; }
.search-result { width: 100%; padding: 11px 12px; display: grid; grid-template-columns: 9px 1fr; gap: 9px; border: 0; border-bottom: 1px solid var(--line); text-align: left; background: white; cursor: pointer; }
.search-result:last-child { border-bottom: 0; }
.search-result:hover { background: var(--teal-soft); }
.search-result i { width: 8px; height: 8px; margin-top: 4px; border-radius: 50%; background: var(--teal); }
.search-result.manager i { background: var(--blue); }
.search-result.specialist i { background: var(--plum); }
.search-result strong, .search-result small { display: block; }
.search-result strong { color: var(--ink); font-size: 13px; }
.search-result small { margin-top: 3px; color: var(--muted); font-size: 12px; text-transform: capitalize; }

.type-filter-panel {
  width: 260px;
  position: fixed;
  top: 96px;
  left: 16px;
  z-index: 15;
  padding: 12px;
  border: 1px solid rgba(198,209,202,.9);
  border-radius: 12px;
  background: rgba(255,255,255,.94);
  box-shadow: 0 10px 28px rgba(24,48,44,.08);
  backdrop-filter: blur(14px);
}
.filter-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 9px; }
.filter-heading span { color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.filter-heading button { padding: 0; border: 0; color: var(--teal); background: none; cursor: pointer; font-size: 11px; font-weight: 700; }
.type-filters { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.type-filter { min-height: 38px; padding: 0 9px; display: flex; align-items: center; gap: 7px; border: 1px solid var(--line); border-radius: 8px; color: var(--faint); background: #f8faf7; cursor: pointer; font-size: 12px; text-transform: capitalize; }
.type-filter::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #c3cdca; }
.type-filter.active { color: var(--ink); border-color: #bad2c9; background: white; }
.type-filter.active[data-type="interface"]::before { background: var(--teal); }
.type-filter.active[data-type="manager"]::before { background: var(--blue); }
.type-filter.active[data-type="specialist"]::before { background: var(--plum); }
.type-filter small { margin-left: auto; color: var(--faint); font-size: 11px; }

.canvas-controls {
  position: fixed;
  left: 16px;
  top: 260px;
  z-index: 15;
  padding: 5px;
  display: grid;
  justify-items: center;
  gap: 3px;
  border: 1px solid var(--line-dark);
  border-radius: 11px;
  background: rgba(255,255,255,.94);
  box-shadow: 0 10px 28px rgba(24,48,44,.08);
}
.canvas-controls button { width: 38px; height: 38px; border: 0; border-radius: 8px; color: var(--ink); background: transparent; cursor: pointer; font-size: 16px; font-weight: 700; }
.canvas-controls button:hover { color: var(--teal); background: var(--teal-soft); }
.canvas-controls span { padding: 3px 0; color: var(--muted); font-size: 12px; font-weight: 700; }
.canvas-controls i { width: 20px; height: 1px; margin: 2px 0; background: var(--line); }

.canvas-help { position: fixed; right: 18px; bottom: 20px; z-index: 14; color: var(--faint); font-size: 12px; pointer-events: none; }

.canvas-empty { position: fixed; left: 50%; top: 50%; z-index: 12; padding: 22px 26px; display: grid; justify-items: center; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.94); box-shadow: var(--shadow); transform: translate(-50%,-50%); }
.canvas-empty[hidden] { display: none; }
.canvas-empty strong { font: 700 14px Manrope, sans-serif; }
.canvas-empty span { margin: 6px 0 13px; color: var(--muted); font-size: 12px; }
.canvas-empty button { border: 0; color: var(--teal); background: none; cursor: pointer; font-size: 12px; font-weight: 700; }

.canvas-link { fill: none; stroke: #8da29b; stroke-width: 1.7; opacity: .72; transition: 120ms ease; }
.canvas-links:hover .canvas-link { opacity: .26; }
.canvas-link:hover { opacity: 1 !important; stroke-width: 2.8; }
.canvas-node { cursor: grab; outline: none; }
.canvas-node.is-dragging { cursor: grabbing; }
.canvas-node > rect { fill: white; stroke: var(--line-dark); stroke-width: 1; transition: 130ms ease; }
.canvas-node:hover > rect { fill: #fcfefc; stroke: #87b9a9; stroke-width: 1.5; }
.canvas-node.selected > rect { fill: var(--teal-soft); stroke: var(--teal); stroke-width: 2; }
.canvas-node.is-dragging > rect { stroke: var(--teal); stroke-width: 2; }
.canvas-node-dot { fill: var(--teal); }
.canvas-node.manager .canvas-node-dot { fill: var(--blue); }
.canvas-node.specialist .canvas-node-dot { fill: var(--plum); }
.canvas-node-copy { width: 100%; height: 100%; overflow: hidden; color: var(--ink); font-family: "DM Sans", sans-serif; }
.canvas-node-copy strong, .canvas-node-copy span, .canvas-node-copy small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.canvas-node-copy strong { margin-top: 0; font: 700 18px Manrope, sans-serif; letter-spacing: -.015em; }
.canvas-node-copy span { margin-top: 3px; color: var(--muted); font-size: 13px; text-transform: capitalize; }
.canvas-node-copy small { margin-top: 4px; color: var(--faint); font-size: 11px; }

.agent-drawer {
  width: min(540px, 94vw);
  position: fixed;
  top: 88px;
  right: 16px;
  bottom: 16px;
  z-index: 30;
  display: grid;
  grid-template-rows: auto auto 1fr;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: var(--shadow);
  transform: translateX(calc(100% + 40px));
  opacity: 0;
  pointer-events: none;
  transition: transform 190ms ease, opacity 160ms ease;
}
.agent-drawer.open { transform: translateX(0); opacity: 1; pointer-events: auto; }
.drawer-header { padding: 18px 20px 15px; border-bottom: 1px solid var(--line); background: #fbfcfa; }
.drawer-title-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.drawer-kicker { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; text-transform: capitalize; }
.drawer-kicker i { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }
.drawer-kicker.manager i { background: var(--blue); }
.drawer-kicker.specialist i { background: var(--plum); }
.drawer-header h2 { margin: 7px 0 0; font: 700 23px Manrope, sans-serif; letter-spacing: -.025em; }
.drawer-header p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.drawer-close { width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); background: white; cursor: pointer; font-size: 17px; }
.drawer-close:hover { color: var(--ink); border-color: var(--line-dark); }
.drawer-tabs { padding: 0 18px; display: flex; gap: 17px; overflow-x: auto; border-bottom: 1px solid var(--line); scrollbar-width: none; }
.drawer-tabs button { padding: 13px 0 11px; border: 0; border-bottom: 2px solid transparent; color: var(--muted); background: none; cursor: pointer; font-size: 12px; font-weight: 700; white-space: nowrap; text-transform: capitalize; }
.drawer-tabs button.active { color: var(--teal); border-color: var(--teal); }
.drawer-body { padding: 18px 20px 28px; overflow-y: auto; }

.edit-field { display: grid; gap: 6px; margin-bottom: 14px; }
.edit-field > span, .section-label { color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.edit-field input, .edit-field textarea, .edit-field select, .compact-grid input, .compact-grid textarea, .compact-grid select, .link-form input, .link-form select { width: 100%; border: 1px solid var(--line-dark); border-radius: 8px; outline: none; color: var(--ink); background: white; font-size: 13px; }
.edit-field input, .edit-field select, .compact-grid input, .compact-grid select, .link-form input, .link-form select { height: 40px; padding: 0 10px; }
.edit-field textarea, .compact-grid textarea { min-height: 90px; padding: 9px; resize: vertical; line-height: 1.5; }
.edit-field textarea.prompt { min-height: 290px; }
.edit-field input:focus, .edit-field textarea:focus, .edit-field select:focus, .compact-grid input:focus, .compact-grid textarea:focus, .compact-grid select:focus, .link-form input:focus, .link-form select:focus { border-color: var(--teal); box-shadow: 0 0 0 3px var(--teal-soft); }
.field-note { margin: -6px 0 14px; color: var(--faint); font-size: 12px; line-height: 1.5; }
.check-option { padding: 6px 8px; display: inline-flex; align-items: center; gap: 5px; border: 1px solid var(--line); border-radius: 7px; color: var(--muted); font-size: 12px; }

.drawer-section-head { margin: 0 0 10px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.drawer-section-head.knowledge-section { margin-top: 26px; }
.drawer-section-head strong { font: 700 14px Manrope, sans-serif; }
.drawer-section-head span { color: var(--faint); font-size: 12px; }
.record-list { display: grid; gap: 8px; }
.record-card { padding: 11px; border: 1px solid var(--line); border-radius: 10px; background: #fbfcfa; }
.record-card-head { margin-bottom: 8px; display: flex; justify-content: space-between; gap: 10px; }
.record-card-head strong { font-size: 13px; }
.remove-link { padding: 0; border: 0; color: var(--danger); background: none; cursor: pointer; font-size: 12px; }
.compact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.compact-grid .wide { grid-column: 1 / -1; }
.compact-grid textarea { min-height: 64px; }
.add-row { margin-top: 11px; display: grid; grid-template-columns: 1fr auto; gap: 7px; }
.add-row input, .add-row select { min-width: 0; height: 36px; padding: 0 9px; border: 1px solid var(--line-dark); border-radius: 8px; outline: none; background: white; font-size: 12px; }

.connection-list { display: grid; gap: 7px; }
.connection-card { padding: 10px; display: flex; align-items: center; justify-content: space-between; gap: 10px; border: 1px solid var(--line); border-radius: 9px; background: #fbfcfa; }
.connection-card > div { min-width: 0; }
.connection-card strong, .connection-card small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.connection-card strong { font-size: 12px; }
.connection-card small { margin-top: 3px; color: var(--faint); font-size: 11px; }
.link-form { margin-top: 14px; padding: 12px; display: grid; grid-template-columns: 1fr 1fr; gap: 7px; border: 1px solid var(--line); border-radius: 10px; background: #f8faf7; }
.link-form .wide { grid-column: 1 / -1; }
.danger-zone { margin-top: 24px; padding-top: 17px; border-top: 1px solid var(--line); }
.empty-records { padding: 15px; border: 1px dashed var(--line-dark); border-radius: 9px; color: var(--faint); text-align: center; font-size: 12px; }

.knowledge-overview { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.knowledge-overview > div { padding: 11px; border: 1px solid var(--line); border-radius: 10px; background: #f8faf7; }
.knowledge-overview span, .knowledge-overview strong { display: block; }
.knowledge-overview span { color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.knowledge-overview strong { margin-top: 5px; font-size: 13px; }
.knowledge-boundary { margin: 14px 0 10px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.knowledge-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.knowledge-chips span { padding: 5px 8px; border: 1px solid var(--line); border-radius: 99px; color: var(--teal); background: var(--teal-soft); font-size: 10px; font-weight: 700; }
.knowledge-preview-head { margin: 20px 0 9px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.view-switch.compact { width: 190px; display: grid; grid-template-columns: 1fr 1fr; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 9px; background: #f4f7f3; }
.view-switch.compact button { min-height: 32px; border: 0; border-radius: 7px; color: var(--muted); background: transparent; cursor: pointer; font-size: 11px; font-weight: 700; }
.view-switch.compact button.active { color: var(--teal); background: white; box-shadow: 0 1px 4px rgba(24,48,44,.1); }
.knowledge-preview { height: 310px; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: radial-gradient(circle at 1px 1px, #cad6cf 1px, transparent 1px) 0 0 / 24px 24px, #f7faf6; }
.knowledge-preview svg { width: 100%; height: 100%; display: block; }
.knowledge-preview.empty { display: grid; place-items: center; text-align: center; }
.knowledge-preview.empty strong, .knowledge-preview.empty span { display: block; }
.knowledge-preview.empty span { margin-top: 5px; color: var(--faint); font-size: 12px; }
.preview-edge { fill: none; stroke: #91a59e; stroke-width: 2; opacity: .75; }
.preview-node rect { fill: white; stroke: #b9c8c1; stroke-width: 1.3; }
.preview-node circle { fill: var(--teal); }
.preview-node:hover rect { fill: var(--teal-soft); stroke: var(--teal); stroke-width: 2; }
.preview-node foreignObject { pointer-events: none; }
.preview-node strong, .preview-node span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: "DM Sans", sans-serif; }
.preview-node strong { color: var(--ink); font-size: 14px; }
.preview-node span { margin-top: 5px; color: var(--muted); font-size: 11px; }
.knowledge-access-summary { margin-top: 9px; display: flex; flex-wrap: wrap; gap: 7px; }
.knowledge-access-summary span { padding: 5px 8px; display: inline-flex; align-items: center; gap: 5px; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); font-size: 10px; }
.owner-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); }
.owner-dot.owns { background: var(--teal); }
.owner-dot.projects { background: var(--blue); }
.owner-dot.reads { background: var(--plum); }
.owner-dot.governs { background: var(--amber); }
.detail-section { margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); }

.toast { position: fixed; left: 50%; bottom: 66px; z-index: 60; padding: 10px 14px; border-radius: 9px; color: white; background: var(--ink); box-shadow: var(--shadow); font-size: 12px; opacity: 0; pointer-events: none; transform: translate(-50%, 10px); transition: 170ms ease; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { background: var(--danger); }

@media (max-width: 900px) {
  .floating-header { grid-template-columns: 1fr minmax(180px, 1fr) auto; }
  .app-nav { display: none; }
  .save-state { display: none; }
  .header-actions .compact, #framework-settings { display: none; }
  .type-filter-panel { top: 96px; }
  .canvas-help { display: none; }
}