:root {
  --sp-bg: #f4f6f9;
  --sp-surface: #ffffff;
  --sp-surface-2: #f8fafc;
  --sp-border: #e2e8f0;
  --sp-border-strong: #cbd5e1;
  --sp-text: #0f172a;
  --sp-text-2: #475569;
  --sp-text-3: #94a3b8;
  --sp-accent: #4f46e5;
  --sp-accent-hover: #4338ca;
  --sp-accent-soft: #eef2ff;
  --sp-success: #059669;
  --sp-success-soft: #ecfdf5;
  --sp-warning: #d97706;
  --sp-danger: #dc2626;
  --sp-danger-soft: #fef2f2;
  --sp-radius: 10px;
  --sp-radius-sm: 6px;
  --sp-shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --sp-shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font: 14px/1.5 "Inter", system-ui, sans-serif;
  background: var(--sp-bg);
  color: var(--sp-text);
  overflow: hidden;
}
[hidden] { display: none !important; }

/* ── Buttons ── */
.sp-btn {
  font: inherit;
  font-weight: 500;
  font-size: 13px;
  cursor: pointer;
  border-radius: var(--sp-radius-sm);
  padding: 8px 14px;
  border: 1px solid var(--sp-border);
  background: var(--sp-surface);
  color: var(--sp-text);
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.sp-btn:hover { border-color: var(--sp-border-strong); background: var(--sp-surface-2); }
.sp-btn--primary {
  background: var(--sp-accent);
  border-color: var(--sp-accent);
  color: #fff;
}
.sp-btn--primary:hover { background: var(--sp-accent-hover); border-color: var(--sp-accent-hover); }
.sp-btn--secondary {
  background: var(--sp-accent-soft);
  border-color: #c7d2fe;
  color: var(--sp-accent);
}
.sp-btn--secondary:hover { background: #e0e7ff; }
.sp-btn--ghost { background: transparent; border-color: transparent; color: var(--sp-text-2); }
.sp-btn--ghost:hover { background: var(--sp-surface-2); color: var(--sp-text); }
.sp-btn--danger { background: var(--sp-danger-soft); border-color: #fecaca; color: var(--sp-danger); }
.sp-btn--danger:hover { background: #fee2e2; }
.sp-link-btn {
  font-size: 13px;
  font-weight: 500;
  color: var(--sp-accent);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: var(--sp-radius-sm);
}
.sp-link-btn:hover { background: var(--sp-accent-soft); }

/* ── Project picker ── */
#project-screen {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--sp-bg);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
body.project-picker #sp-workspace { display: none !important; }

.sp-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--sp-surface);
  border-bottom: 1px solid var(--sp-border);
}
.sp-topbar-brand { display: flex; align-items: center; gap: 10px; }
.sp-logo { font-size: 18px; font-weight: 700; letter-spacing: -0.02em; }
.sp-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--sp-accent);
  background: var(--sp-accent-soft);
  padding: 3px 8px;
  border-radius: 99px;
}

.ps-body { width: min(960px, 92%); margin: 0 auto; padding: 40px 0 64px; }
.ps-hero { margin-bottom: 32px; }
.ps-hero h1 { font-size: 28px; font-weight: 700; margin: 0 0 8px; letter-spacing: -0.03em; }
.ps-tagline { color: var(--sp-text-2); margin: 0 0 24px; font-size: 15px; }
.ps-new { display: flex; gap: 10px; flex-wrap: wrap; max-width: 480px; }
.ps-new input[type="text"] {
  flex: 1;
  min-width: 200px;
  font: inherit;
  padding: 10px 14px;
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-sm);
  background: var(--sp-surface);
}
.ps-new input:focus { outline: 2px solid var(--sp-accent-soft); border-color: var(--sp-accent); }

.ps-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.ps-empty { color: var(--sp-text-3); grid-column: 1 / -1; padding: 32px; text-align: center; }
.ps-card {
  background: var(--sp-surface);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius);
  padding: 20px;
  cursor: pointer;
  box-shadow: var(--sp-shadow);
  transition: box-shadow 0.15s, border-color 0.15s;
}
.ps-card:hover { border-color: #c7d2fe; box-shadow: var(--sp-shadow-md); }
.ps-card h3 { margin: 0 0 6px; font-size: 16px; font-weight: 600; }
.ps-card p { margin: 0; color: var(--sp-text-2); font-size: 13px; }
.ps-card-meta { margin-top: 8px !important; color: var(--sp-accent) !important; font-weight: 500; }

/* ── Workspace ── */
.sp-workspace {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* Project header */
.sp-proj-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  background: var(--sp-surface);
  border-bottom: 1px solid var(--sp-border);
  flex: none;
}
.sp-proj-header-main { display: flex; align-items: center; gap: 12px; min-width: 0; }
.sp-proj-meta { min-width: 0; }
.sp-proj-meta h1 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sp-proj-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.sp-chip {
  font-size: 11px;
  font-weight: 500;
  color: var(--sp-text-2);
  background: var(--sp-surface-2);
  border: 1px solid var(--sp-border);
  padding: 2px 8px;
  border-radius: 99px;
}
.sp-chip--status { color: var(--sp-warning); background: #fffbeb; border-color: #fde68a; }
.sp-chip--status.is-compleet { color: var(--sp-success); background: var(--sp-success-soft); border-color: #a7f3d0; }
.sp-chip--accent { color: var(--sp-accent); background: var(--sp-accent-soft); border-color: #c7d2fe; }
.sp-proj-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* Wizard step bar */
.sp-wizard {
  display: flex;
  align-items: stretch;
  gap: 0;
  padding: 0 16px;
  background: var(--sp-surface);
  border-bottom: 1px solid var(--sp-border);
  overflow-x: auto;
  flex: none;
  scrollbar-width: thin;
}
.sp-wizard-step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--sp-text-2);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}
.sp-wizard-step:hover { color: var(--sp-text); }
.sp-wizard-step.is-actief {
  color: var(--sp-accent);
  border-bottom-color: var(--sp-accent);
  font-weight: 600;
}
.sp-wizard-step.is-klaar { color: var(--sp-success); }
.sp-wizard-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 600;
  background: var(--sp-surface-2);
  border: 1px solid var(--sp-border);
  flex-shrink: 0;
}
.sp-wizard-step.is-actief .sp-wizard-num {
  background: var(--sp-accent);
  border-color: var(--sp-accent);
  color: #fff;
}
.sp-wizard-step.is-klaar .sp-wizard-num {
  background: var(--sp-success-soft);
  border-color: #a7f3d0;
  color: var(--sp-success);
}
.sp-wizard-step.is-klaar .sp-wizard-num::after { content: none; }
.sp-wizard-step.is-klaar.is-actief .sp-wizard-num { background: var(--sp-accent); color: #fff; border-color: var(--sp-accent); }
.sp-wizard-sep {
  width: 16px;
  height: 1px;
  background: var(--sp-border);
  align-self: center;
  flex-shrink: 0;
}

/* Work area */
.sp-work-area {
  display: grid;
  grid-template-columns: 1fr 420px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* Viewer */
.sp-viewer {
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-right: 1px solid var(--sp-border);
  background: var(--sp-surface-2);
}
.sp-viewer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--sp-border);
  background: var(--sp-surface);
}
.sp-viewer-label { font-size: 12px; font-weight: 600; color: var(--sp-text-2); text-transform: uppercase; letter-spacing: 0.04em; }
.sp-viewer-file { font-size: 12px; color: var(--sp-text-3); }
.sp-viewer-body {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow: auto;
}
.sp-viewer-placeholder {
  text-align: center;
  color: var(--sp-text-3);
  max-width: 280px;
}
.sp-viewer-placeholder svg { margin-bottom: 12px; opacity: 0.4; }
.sp-viewer-placeholder p { margin: 0 0 8px; font-size: 14px; color: var(--sp-text-2); }
.sp-viewer-hint { font-size: 11px; letter-spacing: 0.03em; }

.sp-ruimte-canvas {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius);
  background: #fff;
}

/* Settings panel */
.sp-settings {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--sp-surface);
  overflow: hidden;
}
.sp-settings-head {
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--sp-border);
  flex: none;
}
.sp-settings-head h2 { margin: 0; font-size: 16px; font-weight: 700; letter-spacing: -0.02em; }
.sp-settings-desc { margin: 4px 0 0; font-size: 13px; color: var(--sp-text-2); }
.sp-settings-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px 24px;
}
.sp-paneel[hidden] { display: none !important; }

/* Form fields */
.sp-veld { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.sp-veld label { font-size: 12px; font-weight: 500; color: var(--sp-text-2); }
.sp-veld input, .sp-veld select, .sp-veld textarea {
  font: inherit;
  padding: 9px 12px;
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-sm);
  background: var(--sp-surface);
  color: var(--sp-text);
}
.sp-veld input:focus, .sp-veld select:focus, .sp-veld textarea:focus {
  outline: 2px solid var(--sp-accent-soft);
  border-color: var(--sp-accent);
}
.sp-veld--inline { margin-bottom: 0; }
.sp-veld--acties { margin-top: 8px; }

.sp-toolbar, .sp-ruimte-balk {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
  margin-bottom: 14px;
}
.sp-inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.sp-inline-form input[type="text"] { flex: 2; min-width: 120px; }
.sp-inline-form input {
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-sm);
}
.sp-inline-form input[type="number"] { width: 72px; }

/* Dropzone */
.sp-dropzone {
  border: 2px dashed var(--sp-border);
  border-radius: var(--sp-radius);
  padding: 32px 20px;
  text-align: center;
  color: var(--sp-text-2);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.sp-dropzone:hover, .sp-dropzone.is-dragover {
  border-color: var(--sp-accent);
  background: var(--sp-accent-soft);
}
.sp-dropzone strong { display: block; color: var(--sp-text); margin-bottom: 4px; font-size: 14px; }
.sp-dropzone span { font-size: 13px; }
.sp-import-input { display: none; }
.sp-formaat-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; justify-content: center; }
.sp-formaat-tags span {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--sp-accent-soft);
  color: var(--sp-accent);
}
.sp-import-lijst {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}
.sp-import-lijst li {
  padding: 10px 12px;
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-sm);
  margin-bottom: 6px;
  font-size: 13px;
  background: var(--sp-surface-2);
}
.sp-import-lijst span { color: var(--sp-text-3); }

/* Tables */
.sp-ruimte-tabel-wrap, .sp-tabel-wrap {
  overflow-x: auto;
  margin-bottom: 14px;
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-sm);
}
.sp-tabel, .sp-ruimte-tabel {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.sp-tabel th, .sp-tabel td, .sp-ruimte-tabel th, .sp-ruimte-tabel td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--sp-border);
  text-align: left;
}
.sp-tabel th, .sp-ruimte-tabel th {
  background: var(--sp-surface-2);
  font-size: 11px;
  font-weight: 600;
  color: var(--sp-text-2);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.sp-tabel tbody tr:last-child td, .sp-ruimte-tabel tbody tr:last-child td { border-bottom: none; }
.sp-tabel input, .sp-ruimte-tabel input {
  width: 100%;
  font: inherit;
  padding: 4px 6px;
  border: 1px solid var(--sp-border);
  border-radius: 4px;
}
.sp-bron-tag { font-size: 10px; font-weight: 600; color: var(--sp-accent); text-transform: uppercase; }
.sp-row-del {
  border: none;
  background: transparent;
  color: var(--sp-text-3);
  padding: 2px 6px;
  cursor: pointer;
  font-size: 16px;
}
.sp-row-del:hover { color: var(--sp-danger); }

/* Empty states */
.sp-empty-state {
  text-align: center;
  padding: 32px 20px;
  border: 1px dashed var(--sp-border);
  border-radius: var(--sp-radius);
  background: var(--sp-surface-2);
  color: var(--sp-text-2);
  font-size: 13px;
}
.sp-empty-state p { margin: 0; }

/* Quality selector */
.sp-kwaliteit {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.sp-kwaliteit-btn {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-sm);
  background: var(--sp-surface);
  cursor: pointer;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
}
.sp-kwaliteit-btn strong { display: block; font-size: 13px; margin-bottom: 2px; }
.sp-kwaliteit-btn span { font-size: 11px; color: var(--sp-text-3); }
.sp-kwaliteit-btn.is-actief {
  border-color: var(--sp-accent);
  background: var(--sp-accent-soft);
}
.sp-kwaliteit-btn.is-actief strong { color: var(--sp-accent); }

/* Zone cards */
.sp-zone-kaart {
  margin-bottom: 12px;
  padding: 14px;
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-sm);
  background: var(--sp-surface-2);
}
.sp-zone-kaart h3 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
}
.sp-zone-kaart h3 span { color: var(--sp-text-3); font-weight: 400; }

/* Blokschema */
.sp-blok {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-sm);
  background: var(--sp-surface-2);
  overflow-x: auto;
}
.sp-blok-kolom { display: flex; flex-direction: column; gap: 6px; }
.sp-blok-node {
  padding: 8px 12px;
  border-radius: var(--sp-radius-sm);
  border: 1px solid var(--sp-border);
  background: var(--sp-surface);
  font-size: 12px;
  text-align: center;
  min-width: 100px;
}
.sp-blok-node small { color: var(--sp-text-3); }
.sp-blok-bron { border-color: #c7d2fe; background: var(--sp-accent-soft); }
.sp-blok-amp { border-color: #bfdbfe; }
.sp-blok-zone { border-color: #a7f3d0; }
.sp-blok-leeg { opacity: 0.5; border-style: dashed; }
.sp-blok-pijl { color: var(--sp-text-3); }

.sp-ok { color: var(--sp-success); font-weight: 600; }
.sp-nok { color: var(--sp-danger); font-weight: 600; }
.sp-status { font-size: 12px; color: var(--sp-text-2); min-height: 1.2em; margin: 0 0 10px; }
.sp-status.is-ok { color: var(--sp-success); }
.sp-status.is-fout { color: var(--sp-danger); }

/* Calculatie tabs */
.sp-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--sp-border);
}
.sp-tab {
  padding: 8px 14px;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--sp-text-2);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.sp-tab.is-actief { color: var(--sp-accent); border-bottom-color: var(--sp-accent); }
.sp-tab-pane[hidden] { display: none !important; }

.sp-calc-grid { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.sp-calc-samenvatting {
  padding: 16px;
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-sm);
  background: var(--sp-surface-2);
}
.sp-calc-samenvatting p { margin: 0 0 6px; font-size: 13px; }
.sp-calc-totaal {
  margin-top: 10px !important;
  padding-top: 10px;
  border-top: 1px solid var(--sp-border);
  font-size: 15px !important;
  font-weight: 600;
}

/* KPI bar */
.sp-kpi-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  padding: 14px 20px;
  background: var(--sp-surface);
  border-top: 1px solid var(--sp-border);
  flex: none;
}
.sp-kpi {
  padding: 12px 14px;
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-sm);
  background: var(--sp-surface-2);
}
.sp-kpi-label { font-size: 11px; font-weight: 500; color: var(--sp-text-3); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 4px; }
.sp-kpi-value { font-size: 20px; font-weight: 700; letter-spacing: -0.03em; color: var(--sp-text); }
.sp-kpi-value.is-empty { color: var(--sp-text-3); font-size: 16px; font-weight: 500; }

/* Scenario comparison */
.sp-scenario {
  padding: 16px 20px 20px;
  background: var(--sp-surface-2);
  border-top: 1px solid var(--sp-border);
  flex: none;
  max-height: 280px;
  overflow-y: auto;
}
.sp-scenario-head { margin-bottom: 12px; }
.sp-scenario-head h3 { margin: 0 0 4px; font-size: 14px; font-weight: 700; }
.sp-scenario-head p { margin: 0; font-size: 12px; color: var(--sp-text-2); }
.sp-scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.sp-scenario-kaart {
  background: var(--sp-surface);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius);
  padding: 14px;
  box-shadow: var(--sp-shadow);
}
.sp-scenario-kaart.is-actief { border-color: var(--sp-accent); box-shadow: 0 0 0 1px var(--sp-accent); }
.sp-scenario-kaart h4 { margin: 0 0 10px; font-size: 14px; font-weight: 700; }
.sp-scenario-kaart h4 span { font-size: 11px; font-weight: 500; color: var(--sp-text-3); display: block; margin-top: 2px; }
.sp-scenario-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  padding: 4px 0;
  border-bottom: 1px solid var(--sp-border);
}
.sp-scenario-row:last-child { border-bottom: none; font-weight: 600; padding-top: 8px; }
.sp-scenario-row dt { color: var(--sp-text-2); }
.sp-scenario-row dd { margin: 0; font-weight: 500; }

/* Disclaimer */
.sp-disclaimer {
  padding: 10px 20px;
  font-size: 11px;
  line-height: 1.5;
  color: var(--sp-text-3);
  background: var(--sp-surface);
  border-top: 1px solid var(--sp-border);
  flex: none;
}

/* Legacy aliases */
.sp-melding { padding: 14px; border-radius: var(--sp-radius-sm); border: 1px solid var(--sp-border); margin-bottom: 14px; font-size: 13px; }
.sp-melding--info { background: var(--sp-accent-soft); border-color: #c7d2fe; color: var(--sp-accent); }
.sp-btn-accent {
  background: var(--sp-accent);
  border-color: var(--sp-accent);
  color: #fff;
  font: inherit;
  font-weight: 500;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: var(--sp-radius-sm);
  cursor: pointer;
}
.sp-btn-accent:hover { background: var(--sp-accent-hover); }

.sp-subwizard { display: flex; gap: 4px; margin-bottom: 16px; overflow-x: auto; padding-bottom: 4px; }
.sp-subwizard-step {
  display: flex; align-items: center; gap: 6px; padding: 6px 10px;
  border: 1px solid var(--sp-border); border-radius: var(--sp-radius-sm);
  background: var(--sp-surface); font: inherit; font-size: 11px; cursor: pointer; white-space: nowrap; color: var(--sp-text-2);
}
.sp-subwizard-step:disabled { opacity: 0.45; cursor: default; }
.sp-subwizard-step.is-actief { border-color: var(--sp-accent); background: var(--sp-accent-soft); color: var(--sp-accent); font-weight: 600; }
.sp-subwizard-step.is-klaar { color: var(--sp-success); }
.sp-subwizard-num {
  width: 18px; height: 18px; border-radius: 50%; background: var(--sp-surface-2);
  display: inline-flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 700;
}
.sp-modus-toggle { display: flex; gap: 0; margin-bottom: 16px; border: 1px solid var(--sp-border); border-radius: var(--sp-radius-sm); overflow: hidden; width: fit-content; }
.sp-modus-btn { padding: 8px 16px; border: none; background: var(--sp-surface); font: inherit; font-size: 12px; cursor: pointer; color: var(--sp-text-2); }
.sp-modus-btn.is-actief { background: var(--sp-accent); color: #fff; font-weight: 600; }
.sp-fab-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; margin-bottom: 16px; }
.sp-fab-kaart {
  padding: 14px 12px; border: 1px solid var(--sp-border); border-radius: var(--sp-radius-sm);
  background: var(--sp-surface); cursor: pointer; text-align: center; font: inherit;
}
.sp-fab-kaart strong { display: block; font-size: 13px; }
.sp-fab-kaart span { font-size: 10px; color: var(--sp-text-3); }
.sp-fab-kaart.is-actief { border-color: var(--sp-accent); background: var(--sp-accent-soft); }
.sp-fab-kaart.is-actief strong { color: var(--sp-accent); }
.sp-model-lijst { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.sp-model-kaart {
  display: flex; flex-direction: column; gap: 2px; padding: 12px 14px;
  border: 1px solid var(--sp-border); border-radius: var(--sp-radius-sm); cursor: pointer; background: var(--sp-surface);
}
.sp-model-kaart input { display: none; }
.sp-model-kaart strong { font-size: 13px; }
.sp-model-kaart span { font-size: 11px; color: var(--sp-text-2); }
.sp-model-kaart.is-actief { border-color: var(--sp-accent); background: var(--sp-accent-soft); }
.sp-product-keuze, .sp-product-resultaat {
  padding: 16px; border: 1px solid var(--sp-border); border-radius: var(--sp-radius-sm);
  background: var(--sp-surface-2); margin-bottom: 16px;
}
.sp-product-resultaat h4 { margin: 0 0 8px; }
.sp-product-resultaat ul { margin: 0; padding-left: 18px; font-size: 13px; }

/* Responsive */
@media (max-width: 1024px) {
  .sp-work-area { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; }
  .sp-viewer { border-right: none; border-bottom: 1px solid var(--sp-border); }
  .sp-kpi-bar { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  .sp-proj-header { flex-direction: column; align-items: flex-start; }
  .sp-proj-actions { flex-wrap: wrap; width: 100%; }
  .sp-kpi-bar { grid-template-columns: repeat(2, 1fr); }
  .sp-scenario-grid { grid-template-columns: 1fr; }
  .sp-wizard-step span.sp-wizard-label { display: none; }
}