:root {
  /* Farben aus assets/riedel.css (Riedel-Tools, hell/dunkel automatisch) */
  --bg: var(--rb-bg);
  --panel-bg: var(--rb-surface);
  --border: var(--rb-rule);
  --text: var(--rb-ink);
  --text-muted: var(--rb-muted);
  --accent: var(--rb-red-ink);
  --accent-hover: var(--rb-red);
  --accent-soft: var(--rb-red-soft);
  --table-head-bg: var(--rb-soft);
  --danger: var(--rb-red-ink);
  --paper: #fafafa; /* Zeichenflächen bleiben hell wie Planpapier */
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--rb-sans);
  font-variant-numeric: tabular-nums;
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
}

.app {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.file-protocol-warning {
  background: var(--rb-warn-soft);
  border: 1px solid var(--rb-warn);
  color: var(--rb-ink);
  border-radius: 0;
  padding: 14px 16px;
  margin: 0 0 20px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.file-protocol-warning code {
  background: var(--rb-soft);
  padding: 1px 5px;
  border-radius: 0;
  font-size: 0.85em;
}

.app-header {
  border-bottom: 3px solid var(--text);
  padding-bottom: 14px;
  margin-bottom: 24px;
}

.app-header h1 {
  margin: 0 0 2px;
  font: 700 30px/1.05 var(--rb-cond);
}

.subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
}

.panel h2, .panel h3 {
  font-family: var(--rb-cond);
  font-weight: 700;
}

.panel h2 {
  font-size: 22px;
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 20px;
  margin-bottom: 20px;
}

.panel h2 {
  margin-top: 0;
}

.panel h3 {
  font-size: 1rem;
  margin: 20px 0 8px;
}

.hint {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-top: -6px;
}

.grid {
  display: grid;
  gap: 14px;
}

.settings-grid {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

input, select {
  font-size: 0.95rem;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--rb-surface);
  color: var(--text);
}

input:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.hidden {
  display: none !important;
}

.checkbox-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.checkbox-label {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text);
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  padding: 0;
}

.checkbox-label:has(input:disabled) {
  color: var(--text-muted);
}

.story-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
}

.story-tab {
  background: var(--rb-surface);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 6px 14px;
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--text);
}

.story-tab.active {
  background: var(--rb-red);
  border-color: var(--rb-red);
  color: #fff;
  font-weight: 600;
}

.story-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.story-controls .inline-label input[type="text"] {
  width: 160px;
}

.story-controls .inline-label input[type="number"] {
  width: 100px;
}

.btn-danger-outline {
  background: var(--rb-surface);
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: 0;
  padding: 10px 16px;
  font-size: 0.95rem;
  cursor: pointer;
}

.btn-danger-outline:hover:not(:disabled) {
  background: var(--accent-soft);
}

.btn-danger-outline:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.active-story-badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-hover);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 0;
  vertical-align: middle;
  margin-left: 6px;
}

.per-story-block {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.per-story-block h4 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  color: var(--accent-hover);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 480px;
}

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  background: var(--table-head-bg);
  font-weight: 600;
}

td input[type="text"], td input[type="number"] {
  width: 100%;
  min-width: 90px;
}

.row-remove-btn {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 2px 6px;
}

.row-remove-btn:hover {
  background: var(--accent-soft);
  border-radius: 0;
}

.btn-primary, .btn-secondary {
  font-family: var(--rb-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 18px;
  border-radius: 0;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--rb-ink);
  border-color: var(--rb-ink);
  color: var(--rb-bg);
}

.btn-primary:hover {
  background: var(--rb-red);
  border-color: var(--rb-red);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  border-color: var(--rb-ink);
  color: var(--text);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--table-head-bg);
}

.btn-secondary:disabled {
  color: var(--rb-light);
  cursor: not-allowed;
}

.actions-panel {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 8px;
}

.card {
  background: var(--accent-soft);
  border-radius: 0;
  padding: 12px 14px;
}

.card .value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-hover);
}

.card .label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.disclaimer {
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: 8px;
}

.plan-upload-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.file-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 14px;
}

.plan-step {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 10px 12px;
}

.plan-step > strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.plan-step-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.inline-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.inline-label input[type="number"] {
  width: 90px;
}

#plan-canvas {
  max-width: 100%;
  border: 1px solid var(--border);
  border-radius: 0;
  cursor: crosshair;
  background: var(--paper);
  touch-action: none;
}

/* 3D-Modell → automatische Gerüstplanung */
.m3d-options {
  margin: 12px 0;
  border: 1px solid var(--border);
  padding: 10px 14px;
}

.m3d-options summary,
.m3d-story-details summary {
  cursor: pointer;
  font-weight: 600;
}

.m3d-options[open] summary {
  margin-bottom: 12px;
}

.m3d-preview-wrap {
  border: 1px solid var(--border);
  background: var(--paper);
  overflow: hidden;
}

#m3d-canvas {
  display: block;
  max-width: 100%;
  touch-action: none;
  cursor: grab;
}

.m3d-toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.m3d-toolbar .btn-secondary {
  padding: 6px 12px;
}

.m3d-notes {
  color: var(--text-muted);
  font-size: 0.88rem;
  padding-left: 18px;
}

.m3d-notes li {
  margin: 4px 0;
}

.m3d-swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 6px;
  vertical-align: baseline;
}

.m3d-story-details {
  margin: 8px 0;
}

#m3d-apply-btn {
  margin-top: 12px;
}

/* Bearbeitung direkt in der 3D-Ansicht */
.view3d-drag-label {
  position: absolute;
  pointer-events: none;
  background: var(--rb-ink);
  color: var(--rb-bg);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 3px 7px;
  white-space: nowrap;
}

.editor3d {
  border: 1px solid var(--border);
  border-top: 3px solid #1e5bd8;
  padding: 12px 14px;
  margin-top: 10px;
}

.editor3d-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.editor3d-head strong {
  flex: 1;
}

.editor3d-nav {
  padding: 4px 10px;
}

.editor3d-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 12px;
}

.editor3d fieldset {
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
}

.editor3d legend {
  font-weight: 600;
  font-size: 0.9rem;
}

.editor3d .inline-label {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.editor3d input[type="number"] {
  width: 96px;
  padding: 5px 8px;
}

.editor3d input[type="text"] {
  width: 180px;
  padding: 5px 8px;
}

.plan2d-side-arrow:hover path {
  opacity: 0.6;
}

.editor3d select {
  padding: 4px 6px;
}

.editor3d-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.editor3d-row .btn-secondary {
  padding: 4px 10px;
}

.plan2d-wrap {
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--paper);
  overflow: hidden;
}

#plan2d-svg {
  display: block;
}

.view3d-wrap {
  position: relative;
}

#view3d-canvas {
  width: 100%;
  height: 480px;
  display: block;
  border: 1px solid var(--border);
  border-radius: 0;
  background: #eef1f4; /* 3D-Ansicht bleibt hell */
  touch-action: none;
}

/* Riedel-Tools: Handy und Tablet */
@media (max-width: 640px) {
  .app { padding: 16px 12px 48px; }
  .panel { padding: 16px 14px; }
  .inline-label { flex-direction: row; flex-wrap: wrap; align-items: center; }
  .story-controls { align-items: stretch; gap: 10px; margin-bottom: 14px; }
  .story-controls > label { width: 100%; }
  .story-controls .inline-label input[type="text"] { flex: 1 1 160px; width: auto; }
  .story-controls > button { flex: 1 1 calc(50% - 10px); }
  input, select { font-size: 16px; } /* verhindert das automatische Hineinzoomen auf dem iPhone */
  #view3d-canvas { height: 340px; }
}
@media (pointer: coarse) {
  button, .story-tab { min-height: 40px; }
}

@media print {
  .actions-panel, .editor3d, #model3d-panel, #stories-panel, #settings-panel, #sections-panel, #plan-panel, .view3d-wrap, .disclaimer {
    display: none !important;
  }
  body {
    background: var(--rb-surface);
    color: #000;
  }
  .panel {
    border: none;
    padding: 0;
  }
}