/* KabelNet — Faseq Design engineering module */

:root {
  --kn-bg: var(--fq-gray-50, #f8fafc);
  --kn-surface: var(--fq-white, #ffffff);
  --kn-border: var(--fq-gray-200, #e2e8f0);
  --kn-border-strong: var(--fq-gray-300, #cbd5e1);
  --kn-text: var(--fq-gray-900, #0f172a);
  --kn-text-muted: var(--fq-gray-500, #64748b);
  --kn-text-dim: var(--fq-gray-400, #94a3b8);
  --kn-primary: var(--fq-blue, #1d4e9e);
  --kn-primary-hover: var(--fq-blue-light, #2563eb);
  --kn-primary-soft: #eff6ff;
  --kn-ok: #059669;
  --kn-ok-soft: #ecfdf5;
  --kn-warn: #d97706;
  --kn-warn-soft: #fffbeb;
  --kn-err: #dc2626;
  --kn-err-soft: #fef2f2;
  --kn-canvas-bg: #f1f5f9;
  --kn-grid: #e2e8f0;
  --kn-grid-major: #cbd5e1;
  --kn-header-h: auto;
  --kn-panel-w: 240px;
  --kn-props-w: 300px;
  --kn-radius: 10px;
  --kn-shadow: 0 1px 3px rgba(15, 45, 82, 0.06), 0 4px 12px rgba(15, 45, 82, 0.04);
  --kn-font: var(--fq-font, 'Inter', system-ui, sans-serif);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body.kn-body {
  height: 100%;
  margin: 0;
  font: 14px/1.5 var(--kn-font);
  color: var(--kn-text);
  background: var(--kn-bg);
  overflow: hidden;
}

/* ── Typografie ── */
.kn-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--kn-text);
  letter-spacing: -0.02em;
}
.kn-title--sm { font-size: 1.125rem; }
.kn-subtitle {
  margin: 4px 0 0;
  font-size: 0.875rem;
  color: var(--kn-text-muted);
  font-weight: 400;
  max-width: 480px;
}
.kn-subtitle--sm { font-size: 0.8125rem; margin-top: 2px; }
.kn-desc {
  margin: 0 0 20px;
  color: var(--kn-text-muted);
  max-width: 640px;
  line-height: 1.6;
}

/* ── Breadcrumb ── */
.kn-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--kn-text-muted);
  margin-bottom: 20px;
}
.kn-breadcrumb--header {
  margin: 0;
  padding: 8px 20px 10px;
  border-top: 1px solid var(--kn-border);
  background: var(--kn-surface);
}
.kn-breadcrumb__sep { color: var(--kn-text-dim); }
.kn-breadcrumb__active { color: var(--kn-primary); font-weight: 600; }
.kn-breadcrumb__muted { color: var(--kn-text-dim); }

/* ── Knoppen ── */
.kn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--kn-border);
  background: var(--kn-surface);
  color: var(--kn-text);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.kn-btn:hover { border-color: var(--kn-border-strong); background: var(--kn-bg); }
.kn-btn--primary {
  background: var(--kn-primary);
  border-color: var(--kn-primary);
  color: #fff;
}
.kn-btn--primary:hover { background: var(--kn-primary-hover); border-color: var(--kn-primary-hover); }
.kn-btn--secondary {
  background: var(--kn-primary-soft);
  border-color: #bfdbfe;
  color: var(--kn-primary);
}
.kn-btn--secondary:hover { background: #dbeafe; }
.kn-btn--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--kn-text-muted);
}
.kn-btn--ghost:hover { background: var(--kn-bg); color: var(--kn-text); border-color: var(--kn-border); }
.kn-btn--sm { padding: 6px 12px; font-size: 0.8125rem; }
.kn-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  font: inherit;
  font-size: 1rem;
  border: 1px solid var(--kn-border);
  border-radius: 8px;
  background: var(--kn-surface);
  color: var(--kn-text-muted);
  cursor: pointer;
}
.kn-icon-btn:hover { border-color: var(--kn-primary); color: var(--kn-primary); background: var(--kn-primary-soft); }

/* ── Status badges ── */
.kn-status-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.kn-status-badge--ok { background: var(--kn-ok-soft); color: var(--kn-ok); }
.kn-status-badge--warn { background: var(--kn-warn-soft); color: var(--kn-warn); }
.kn-status-badge--err { background: var(--kn-err-soft); color: var(--kn-err); }

/* ═══ Projectoverzicht ═══ */
body.project-picker #editor-screen { display: none !important; }
#project-screen[hidden] { display: none; }
#project-screen {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--kn-bg);
  overflow-y: auto;
}
.kn-ps-header {
  background: var(--kn-surface);
  border-bottom: 1px solid var(--kn-border);
  padding: 20px 24px;
}
.kn-ps-header__brand {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}
.kn-back-link {
  color: var(--kn-primary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding-top: 4px;
  white-space: nowrap;
}
.kn-back-link:hover { text-decoration: underline; }
.kn-ps-body {
  width: min(960px, 92%);
  margin: 0 auto;
  padding: 28px 0 48px;
}
.kn-ps-new {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  padding: 20px;
  background: var(--kn-surface);
  border: 1px solid var(--kn-border);
  border-radius: var(--kn-radius);
  box-shadow: var(--kn-shadow);
}
.kn-ps-new input[type="text"],
.kn-ps-new select {
  font: inherit;
  color: var(--kn-text);
  background: var(--kn-surface);
  border: 1px solid var(--kn-border);
  border-radius: 8px;
  padding: 10px 14px;
  min-height: 42px;
}
.kn-ps-new input[type="text"] { flex: 1; min-width: 200px; }
.kn-ps-new select { min-width: 200px; }
.kn-ps-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.ps-empty {
  color: var(--kn-text-muted);
  grid-column: 1 / -1;
  padding: 32px;
  text-align: center;
  background: var(--kn-surface);
  border: 1px dashed var(--kn-border);
  border-radius: var(--kn-radius);
}
.ps-card {
  background: var(--kn-surface);
  border: 1px solid var(--kn-border);
  border-radius: var(--kn-radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--kn-shadow);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.ps-card:hover { border-color: var(--kn-primary); box-shadow: 0 4px 16px rgba(29, 78, 158, 0.08); }
.ps-card .ps-name { font-weight: 600; font-size: 1rem; word-break: break-word; }
.ps-card .ps-meta { color: var(--kn-text-muted); font-size: 0.8125rem; }
.ps-card .ps-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.ps-card .ps-actions button { padding: 6px 12px; font-size: 0.8125rem; }
.ps-card .ps-open { border-color: var(--kn-primary); color: var(--kn-primary); }
.ps-card .ps-open:hover { background: var(--kn-primary); color: #fff; }
.ps-card .ps-delete:hover { border-color: var(--kn-err); color: var(--kn-err); }

/* ═══ Project header (sticky) ═══ */
.kn-project-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--kn-surface);
  border-bottom: 1px solid var(--kn-border);
  box-shadow: var(--kn-shadow);
}
.kn-project-header__top {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 20px;
  flex-wrap: wrap;
}
.kn-project-header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 200px;
}
.kn-project-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
  flex-wrap: wrap;
  min-width: 0;
}
.kn-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.kn-meta-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--kn-text-dim);
}
.kn-meta-value {
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
}
.kn-meta-value--dim { color: var(--kn-text-muted); font-weight: 400; }
.kn-meta-input {
  font: inherit;
  font-size: 0.875rem;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 2px 6px;
  background: transparent;
  color: var(--kn-text);
  max-width: 160px;
}
.kn-meta-input:hover, .kn-meta-input:focus {
  border-color: var(--kn-border);
  background: var(--kn-bg);
  outline: none;
}
.kn-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ═══ Workspace 3-koloms ═══ */
.kn-workspace {
  display: flex;
  flex: 1;
  min-height: 0;
  height: calc(100vh - var(--kn-header-h, 120px));
}
#editor-screen {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}
body:not(.project-picker) #editor-screen { display: flex; }
body:not(.project-picker) #project-screen { display: none; }

/* Panelen */
.kn-panel {
  flex: none;
  display: flex;
  flex-direction: column;
  background: var(--kn-surface);
  border-color: var(--kn-border);
  min-height: 0;
}
.kn-panel--left {
  width: var(--kn-panel-w);
  border-right: 1px solid var(--kn-border);
}
.kn-panel--right {
  width: var(--kn-props-w);
  border-left: 1px solid var(--kn-border);
}
.kn-panel__head {
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--kn-border);
  flex: none;
}
.kn-panel__title {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
}
.kn-panel__hint {
  margin: 4px 0 0;
  font-size: 0.75rem;
  color: var(--kn-text-muted);
}
.kn-panel__body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  min-height: 0;
}

/* Componentenbibliotheek */
.kn-comp-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.kn-comp-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  width: 100%;
  padding: 12px;
  border: 1px solid var(--kn-border);
  border-radius: var(--kn-radius);
  background: var(--kn-surface);
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: var(--kn-text);
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.kn-comp-card:hover {
  border-color: var(--kn-primary);
  background: var(--kn-primary-soft);
}
.kn-comp-card.active,
.kn-comp-card.tool.active {
  border-color: var(--kn-primary);
  background: var(--kn-primary-soft);
  box-shadow: inset 0 0 0 1px var(--kn-primary);
}
.kn-comp-icon {
  font-size: 1.25rem;
  line-height: 1;
  margin-bottom: 4px;
}
.kn-comp-icon--hvk { color: var(--kn-primary); }
.kn-comp-icon--vk { color: #2563eb; }
.kn-comp-icon--grp { color: var(--kn-ok); }
.kn-comp-icon--cable { color: var(--kn-text-muted); }
.kn-comp-icon--label { color: var(--kn-text-muted); font-weight: 700; }
.kn-comp-icon--measure { color: var(--kn-warn); }
.kn-comp-name { font-size: 0.8125rem; font-weight: 600; }
.kn-comp-desc { font-size: 0.6875rem; color: var(--kn-text-muted); }
.kn-comp-divider {
  height: 1px;
  background: var(--kn-border);
  margin: 12px 0;
}

/* Middenpaneel */
.kn-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

/* Canvas toolbar */
.kn-canvas-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--kn-surface);
  border-bottom: 1px solid var(--kn-border);
  flex-wrap: wrap;
  flex: none;
}
.kn-toolbar-group { display: flex; align-items: center; gap: 4px; }
.kn-toolbar-sep { width: 1px; height: 24px; background: var(--kn-border); margin: 0 4px; }
.kn-toolbar-spacer { flex: 1; }
.kn-rot-label {
  font-size: 0.75rem;
  color: var(--kn-text-muted);
  min-width: 28px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.kn-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  color: var(--kn-text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  white-space: nowrap;
}
.kn-toggle:hover { background: var(--kn-bg); color: var(--kn-text); }
.kn-toggle input { accent-color: var(--kn-primary); margin: 0; }
.kn-save-indicator {
  font-size: 0.75rem;
  color: var(--kn-ok);
  font-weight: 500;
}

/* Canvas */
.kn-canvas-wrap {
  flex: 1;
  position: relative;
  min-height: 200px;
  background: var(--kn-canvas-bg);
}
#canvas {
  width: 100%;
  height: 100%;
  display: block;
  outline: none;
  cursor: default;
  background: var(--kn-canvas-bg);
}
#canvas.drawing { cursor: crosshair; }

.kn-statusbar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 6px 14px;
  font-size: 0.75rem;
  color: var(--kn-text-muted);
  background: rgba(255, 255, 255, 0.92);
  border-top: 1px solid var(--kn-border);
  backdrop-filter: blur(4px);
  pointer-events: none;
}
.kn-statusbar__mode { color: var(--kn-primary); font-weight: 600; }
.kn-statusbar__hint { flex: 1; }
.kn-statusbar__warnings { color: var(--kn-warn); font-weight: 500; }

/* Resultaten tabs */
.kn-results {
  flex: none;
  max-height: 280px;
  display: flex;
  flex-direction: column;
  background: var(--kn-surface);
  border-top: 1px solid var(--kn-border);
}
.kn-results-tabs {
  display: flex;
  gap: 0;
  padding: 0 12px;
  border-bottom: 1px solid var(--kn-border);
  overflow-x: auto;
  flex: none;
}
.kn-results-tab {
  flex: none;
  padding: 10px 14px;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--kn-text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  margin-bottom: -1px;
}
.kn-results-tab:hover { color: var(--kn-text); }
.kn-results-tab.active {
  color: var(--kn-primary);
  border-bottom-color: var(--kn-primary);
}
.kn-tab-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--kn-err);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  margin-left: 4px;
}
.kn-results-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  min-height: 0;
}
.kn-results-pane { min-height: 80px; }

/* KPI grid */
.kn-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.kn-kpi-grid .stat,
.totals .stat {
  background: var(--kn-bg);
  border: 1px solid var(--kn-border);
  border-radius: var(--kn-radius);
  padding: 14px 16px;
}
.kn-kpi-grid .stat .v,
.totals .stat .v {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--kn-text);
  font-variant-numeric: tabular-nums;
}
.kn-kpi-grid .stat .l,
.totals .stat .l {
  font-size: 0.75rem;
  color: var(--kn-text-muted);
  margin-top: 4px;
  line-height: 1.35;
}
.kn-kpi-grid .stat.hl .v,
.totals .stat.hl .v { color: var(--kn-primary); }

/* Tabellen */
.kn-table-wrap, .table-wrap { overflow-x: auto; }
.kn-table, table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.8125rem;
}
.kn-table th, .kn-table td, th, td {
  padding: 8px 12px;
  text-align: right;
  border-bottom: 1px solid var(--kn-border);
  white-space: nowrap;
}
.kn-table th, th {
  color: var(--kn-text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: var(--kn-bg);
}
.kn-table th:first-child, .kn-table td:first-child, th:first-child, td:first-child { text-align: left; }
tr.crit td { color: var(--kn-primary); font-weight: 600; }
tr.bad td { color: var(--kn-err); }

/* Waarschuwingen */
.warning, .error, .info, .kn-alert {
  padding: 10px 14px;
  margin: 0 0 8px;
  border-radius: var(--kn-radius);
  font-size: 0.8125rem;
  border: 1px solid;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.warning, .kn-alert--warn { border-color: #fcd34d; color: #92400e; background: var(--kn-warn-soft); }
.error, .kn-alert--err { border-color: #fca5a5; color: #991b1b; background: var(--kn-err-soft); }
.info, .kn-alert--info { border-color: #bfdbfe; color: var(--kn-text-muted); background: var(--kn-primary-soft); }
.kn-alert--ok { border-color: #6ee7b7; color: #065f46; background: var(--kn-ok-soft); }

/* Eigenschappenpaneel */
.kn-props-empty {
  padding: 16px 8px;
  color: var(--kn-text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}
.kn-props-empty p { margin: 0 0 8px; }
.kn-prop-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.kn-prop-header h3 { margin: 0; font-size: 0.9375rem; }
.kn-prop-id { display: block; font-size: 0.75rem; margin-bottom: 12px; }
.kn-prop-coords { font-size: 0.75rem; margin-top: 12px; }
.kn-field {
  display: block;
  margin: 0 0 14px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--kn-text-muted);
}
.kn-field input, .kn-field select, label input, label select {
  display: block;
  width: 100%;
  margin-top: 6px;
  font: inherit;
  font-weight: 400;
  font-size: 0.875rem;
  color: var(--kn-text);
  background: var(--kn-surface);
  border: 1px solid var(--kn-border);
  border-radius: 8px;
  padding: 10px 12px;
  min-height: 40px;
}
.kn-field input:focus, .kn-field select:focus, label input:focus, label select:focus {
  outline: none;
  border-color: var(--kn-primary);
  box-shadow: 0 0 0 3px rgba(29, 78, 158, 0.12);
}
.muted { color: var(--kn-text-muted); }

/* Berekende waarden cards */
.kn-calc-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 14px 0;
}
.kn-calc-card {
  background: var(--kn-bg);
  border: 1px solid var(--kn-border);
  border-radius: 8px;
  padding: 10px 12px;
}
.kn-calc-card__label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--kn-text-dim);
  margin-bottom: 4px;
}
.kn-calc-card__value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--kn-primary);
  font-variant-numeric: tabular-nums;
}
.result-box {
  margin-top: 12px;
  padding: 12px;
  background: var(--kn-bg);
  border: 1px solid var(--kn-border);
  border-radius: 8px;
  font-size: 0.8125rem;
}
.result-box b { color: var(--kn-primary); }

/* Rapport tab */
.kn-report-preview { max-width: 640px; }
.kn-report-intro { color: var(--kn-text-muted); margin: 0 0 16px; line-height: 1.6; }
.kn-report-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.kn-audit-log h3 { font-size: 0.875rem; margin: 0 0 10px; color: var(--kn-text-muted); }
.kn-audit-log ul {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.8125rem;
  color: var(--kn-text-muted);
}
.kn-audit-log li {
  padding: 8px 0;
  border-bottom: 1px solid var(--kn-border);
}
.kn-audit-log li:last-child { border-bottom: none; }

/* Instellingen drawer */
.kn-drawer { position: fixed; inset: 0; z-index: 300; }
.kn-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
}
.kn-drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(520px, 92vw);
  background: var(--kn-surface);
  box-shadow: -8px 0 32px rgba(15, 45, 82, 0.12);
  display: flex;
  flex-direction: column;
  animation: kn-slide-in 0.2s ease;
}
@keyframes kn-slide-in {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}
.kn-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--kn-border);
}
.kn-drawer__head h2 { margin: 0; font-size: 1.125rem; }
.kn-drawer__body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}
.kn-settings-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.kn-settings-card {
  background: var(--kn-bg);
  border: 1px solid var(--kn-border);
  border-radius: var(--kn-radius);
  padding: 16px;
}
.kn-settings-card h3 {
  margin: 0 0 14px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--kn-text);
}

/* Contextmenu */
.ctx-menu {
  position: fixed;
  z-index: 1000;
  min-width: 220px;
  padding: 6px;
  background: var(--kn-surface);
  border: 1px solid var(--kn-border);
  border-radius: var(--kn-radius);
  box-shadow: 0 8px 32px rgba(15, 45, 82, 0.15);
  font-size: 0.875rem;
}
.ctx-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  background: none;
  color: var(--kn-text);
  cursor: pointer;
  font: inherit;
}
.ctx-menu button:hover:not(:disabled) { background: var(--kn-primary-soft); color: var(--kn-primary); }
.ctx-menu button:disabled { color: var(--kn-text-dim); opacity: 0.55; cursor: default; }
.ctx-menu hr { border: 0; border-top: 1px solid var(--kn-border); margin: 4px 8px; }

/* ── SVG canvas elementen ── */
.grid-line { stroke: var(--kn-grid); stroke-width: 1; }
.grid-line.major { stroke: var(--kn-grid-major); }
.axis-label { fill: var(--kn-text-dim); font-size: 11px; }

.edge { stroke: #64748b; stroke-width: 3; stroke-linecap: round; }
.edge.hover { stroke: #475569; }
.edge.selected { stroke: var(--kn-primary); }
.edge.bad { stroke: var(--kn-err); }
.edge.crit { filter: drop-shadow(0 0 3px rgba(29, 78, 158, 0.5)); stroke: var(--kn-primary); }
.edge-hit { stroke: transparent; stroke-width: 14; stroke-linecap: round; cursor: pointer; }

.node-dot { fill: #94a3b8; stroke: var(--kn-surface); stroke-width: 2; cursor: pointer; }
.node-dot.hover { fill: #64748b; }
.node-dot.selected { fill: var(--kn-primary); }
.node-source, .node-board { fill: var(--kn-primary); stroke: #1e40af; stroke-width: 1.5; }
.node-board { fill: #2563eb; }
.node-consumer { fill: var(--kn-ok); }
.node-label-type { fill: none; stroke: var(--kn-text-dim); stroke-width: 1; stroke-dasharray: 4 3; }
.node-measure { fill: var(--kn-warn); stroke: #b45309; stroke-width: 1.5; }

.edge-label {
  fill: var(--kn-text);
  font-size: 10.5px;
  pointer-events: none;
  paint-order: stroke fill;
  stroke: var(--kn-canvas-bg);
  stroke-width: 3px;
  stroke-linejoin: round;
}
.node-label {
  fill: var(--kn-text);
  font-size: 10.5px;
  pointer-events: none;
  paint-order: stroke fill;
  stroke: var(--kn-canvas-bg);
  stroke-width: 3px;
  stroke-linejoin: round;
}
.preview-line { stroke: var(--kn-primary); stroke-width: 2; stroke-dasharray: 6 4; pointer-events: none; }
.preview-dot { fill: var(--kn-primary); pointer-events: none; }
.cursor-dot { fill: none; stroke: var(--kn-primary); stroke-width: 1.5; pointer-events: none; }

/* ── Responsive ── */
@media (max-width: 1100px) {
  :root { --kn-panel-w: 200px; --kn-props-w: 260px; }
  .kn-project-meta { gap: 12px; }
  .kn-meta-value { max-width: 120px; }
}
@media (max-width: 900px) {
  .kn-workspace { flex-direction: column; height: auto; overflow: auto; }
  #editor-screen { overflow: auto; height: auto; min-height: 100vh; }
  .kn-panel--left, .kn-panel--right {
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--kn-border);
    max-height: 220px;
  }
  .kn-comp-grid {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .kn-comp-card { width: calc(50% - 4px); flex: none; }
  .kn-canvas-wrap { min-height: 360px; }
  .kn-results { max-height: 320px; }
  .kn-project-header__top { flex-direction: column; align-items: stretch; }
  .kn-header-actions { justify-content: flex-end; }
}