:root {
  --accent: #e8402a;
  --dark: #141414;
  --bg: #f2f2f2;
  --panel: #ffffff;
  --border: #e2e2e2;
  --text: #222222;
  --text-muted: #767676;
  --radius: 8px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

button {
  font-family: inherit;
  cursor: pointer;
}

input, textarea, select {
  font-family: inherit;
  font-size: 14px;
}

/* ── Topbar ─────────────────────────────────────────────────────────── */

.topbar {
  background: var(--dark);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
  background: transparent;
  border: none;
  color: #fff;
  padding: 7px 10px;
  margin-left: -10px;
  border-radius: 6px;
}
.topbar-brand:hover { background: #262626; }
.topbar-brand:active { background: #303030; }

.brand-icon {
  width: 19px;
  height: 19px;
  color: var(--accent);
  flex-shrink: 0;
}

.brand-text {
  font-size: 15.5px;
  font-weight: 700;
  color: #fff;
}

.brand-badge {
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 3px 7px;
  border-radius: 4px;
}

.topbar .spacer { flex: 1; }

.btn {
  border: none;
  border-radius: var(--radius);
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  transition: opacity .15s ease, transform .05s ease;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { opacity: .9; }

.btn-secondary { background: #2a2a2a; color: #fff; border: 1px solid #3a3a3a; }
.btn-secondary:hover:not(:disabled) { background: #333; }

/* ── Start scherm ───────────────────────────────────────────────────── */

.start-view {
  max-width: 1000px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.start-view h2 {
  font-size: 18px;
  margin: 32px 0 14px;
}
.start-view h2:first-child { margin-top: 0; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 32px 0 14px;
}
.section-header:first-child { margin-top: 0; }
.section-header h2 { margin: 0; }

.toggle-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12.5px;
  color: var(--text-muted);
  white-space: nowrap;
}
.toggle-btn:hover { border-color: var(--accent); color: var(--accent); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.template-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  text-align: left;
  display: flex;
  flex-direction: column;
}
.template-card:hover { border-color: var(--accent); }

.template-thumb {
  position: relative;
  width: 100%;
  height: 132px;
  overflow: hidden;
  background: #ececec;
  border-bottom: 1px solid var(--border);
}
.template-thumb iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 680px;
  height: 620px;
  border: 0;
  transform: scale(0.32);
  transform-origin: 0 0;
  pointer-events: none;
}

.template-thumb.empty-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
}
.template-thumb.empty-thumb span {
  font-size: 34px;
  font-weight: 300;
  color: var(--text-muted);
}

.template-card-body {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.template-card .tag {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 3px 8px;
  border-radius: 4px;
  width: fit-content;
}

.template-card .title { font-size: 15px; font-weight: 700; }
.template-card .desc { font-size: 12.5px; color: var(--text-muted); }

.concept-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.concept-row {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.concept-row .naam { font-weight: 600; flex: 1; }
.concept-row .meta { font-size: 12px; color: var(--text-muted); }

.empty-hint {
  color: var(--text-muted);
  font-size: 13.5px;
}

/* ── Editor ─────────────────────────────────────────────────────────── */

.editor-layout {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  max-width: 1400px;
  margin: 0 auto;
}

.blocks-column {
  flex: 0 0 44%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 340px;
}

.concept-header {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.concept-header .field-input { flex: 1; }

.blocks-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.preview-panel {
  flex: 1;
  position: sticky;
  top: 78px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.preview-panel iframe {
  width: 100%;
  height: calc(100vh - 100px);
  min-height: 500px;
  border: 0;
  display: block;
  background: #ececec;
}

@media (max-width: 900px) {
  .editor-layout { flex-direction: column; }
  .blocks-column { flex: 1 1 auto; width: 100%; min-width: 0; }
  .preview-panel { position: static; width: 100%; }
  .preview-panel iframe { height: 60vh; }
}

/* Block cards */

.block-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.block-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #fafafa;
  border-bottom: 1px solid var(--border);
}

.block-type-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  flex: 1;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 26px;
  height: 26px;
  font-size: 13px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
}
.btn-icon:hover { background: #eee; }
.btn-icon.remove:hover { background: #fdeceb; color: var(--accent); border-color: var(--accent); }
.btn-icon:disabled { opacity: .3; cursor: not-allowed; }

.block-card-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.field-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
  display: block;
}

.field-input, .field-textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
}
.field-textarea { resize: vertical; min-height: 70px; }

/* Foto-blok */

.upload-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.upload-btn {
  display: inline-flex;
  align-items: center;
  color: #fff;
}

.foto-thumb {
  display: block;
  max-width: 100%;
  max-height: 160px;
  border-radius: 6px;
  border: 1px solid var(--border);
  object-fit: cover;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
}

.toolbar {
  display: flex;
  gap: 6px;
  margin-bottom: 4px;
}

.toolbar button {
  background: #f0f0f0;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 13px;
}
.toolbar button:hover { background: #e6e6e6; }

/* Infotabel rows */

.table-rows {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.table-row-item {
  display: flex;
  gap: 6px;
  align-items: center;
}
.table-row-item .field-input { flex: 1; }

.row-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

/* Datatabel */

.columns-editor {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.column-item {
  display: flex;
  gap: 6px;
  align-items: center;
}
.column-item .field-input { flex: 1; }

.datatabel-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.datatabel-grid {
  border-collapse: collapse;
  width: 100%;
}
.datatabel-grid td {
  padding: 4px;
  border-bottom: 1px solid var(--border);
}
.datatabel-grid td .field-input { min-width: 100px; }
.datatabel-grid td.row-actions-cell {
  white-space: nowrap;
  padding: 4px 6px;
}

.add-row-btn, .add-col-btn {
  align-self: flex-start;
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.add-row-btn:hover, .add-col-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Add block menu */

.add-block-wrap { position: relative; }

.add-block-menu {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 6px 24px rgba(0,0,0,.12);
  padding: 6px;
  display: flex;
  flex-direction: column;
  min-width: 200px;
  z-index: 20;
}
.add-block-menu button {
  background: transparent;
  border: none;
  text-align: left;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13.5px;
}
.add-block-menu button:hover { background: #f5f5f5; }

/* Toast */

#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--dark);
  color: #fff;
  padding: 14px 22px;
  border-radius: var(--radius);
  font-size: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 100;
  max-width: 90vw;
  text-align: center;
}
#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
#toast.success { background: #1b5e20; }
#toast.error { background: #7a1c1c; }

#copy-frame {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 680px;
  height: 1600px;
  border: 0;
}

[hidden] { display: none !important; }