* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent: #e8871e;
  --accent-dark: #c96f0e;
  --panel-bg: #fdfdfc;
  --border: #ddd8ce;
  --text: #3b3b38;
}

html, body {
  height: 100%;
  overflow: hidden;
  font-family: 'Segoe UI', system-ui, sans-serif;
  color: var(--text);
}

#plan-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

/* ------------------------------------------------------------- Kopfleiste */
#topbar {
  position: fixed;
  top: 10px;
  left: 76px;
  right: 12px;
  height: 46px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.12);
  z-index: 20;
}
#topbar button {
  display: flex;
  align-items: center;
  gap: 6px;
  border: none;
  background: none;
  font: inherit;
  font-weight: 600;
  color: #6b6b66;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.4px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
}
#topbar button:hover { background: #f0ede6; color: var(--text); }
#topbar button.active { background: var(--accent); color: #fff; }
#topbar button svg { width: 18px; height: 18px; }
#topbar .sep { width: 1px; height: 24px; background: var(--border); }
#topbar .spacer { flex: 1; }
#plan-name {
  font: inherit;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 6px 10px;
  width: 220px;
  background: transparent;
}
#plan-name:hover, #plan-name:focus { border-color: var(--border); background: #fff; outline: none; }
#save-state { font-size: 12px; color: #999; }
#house-select {
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  max-width: 200px;
  cursor: pointer;
}
#house-select:hover { background: #f0ede6; }
#btn-help { font-size: 15px !important; }

/* --------------------------------------------------------- Werkzeugleiste */
#toolbar {
  position: fixed;
  top: 10px;
  left: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 6px;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.12);
  z-index: 20;
}
#toolbar button {
  position: relative;
  width: 42px;
  height: 42px;
  border: none;
  background: none;
  border-radius: 8px;
  cursor: pointer;
  color: #55534e;
  display: grid;
  place-items: center;
}
#toolbar button svg { width: 22px; height: 22px; }
#toolbar button:hover { background: #f0ede6; }
#toolbar button.active { background: var(--accent); color: #fff; }
#toolbar button[data-tool="delete"]:hover { background: #fbeeed; color: #b3261e; }
#toolbar button[data-tool="delete"].active { background: #b3261e; color: #fff; }
#toolbar .tsep { height: 1px; background: var(--border); margin: 2px 4px; }

/* Schnelle Tooltips rechts neben den Werkzeugen (statt träger title-Tooltips) */
#toolbar button[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: #333;
  color: #fff;
  font: 600 12px/1.3 'Segoe UI', system-ui, sans-serif;
  padding: 5px 9px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.12s;
  transition-delay: 0s;
  z-index: 40;
}
#toolbar button[data-tip]:hover::after { opacity: 1; transition-delay: 0.3s; }

/* ------------------------------------------------------------- Seitenpanel */
#panel {
  position: fixed;
  top: 66px;
  left: 76px;
  width: 300px;
  max-height: calc(100vh - 86px);
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.12);
  z-index: 15;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#panel-title {
  font-size: 15px;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border);
}
#panel-body {
  padding: 12px 16px 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#panel-body h3 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #8b887f;
  margin-top: 8px;
}
#panel-body .hint { font-size: 12.5px; color: #77746c; line-height: 1.45; }
#panel-body .row { display: flex; align-items: center; gap: 8px; font-size: 13.5px; cursor: pointer; }
#panel-body .field { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: #77746c; }
#panel-body input[type="number"], #panel-body input[type="text"], #panel-body select, #panel-body input[type="search"] {
  font: inherit;
  font-size: 13.5px;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #fff;
  color: var(--text);
}
#panel-body button {
  font: inherit;
  font-size: 13.5px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #fff;
  cursor: pointer;
  text-align: left;
}
#panel-body button:hover { border-color: #bbb; }
#panel-body button.danger { color: #b3261e; border-color: #e5c5c2; margin-top: 6px; }
#panel-body button.danger:hover { background: #fbeeed; }
#panel-body .option-btn { display: flex; align-items: center; gap: 8px; }
#panel-body .option-btn.active { border-color: var(--accent); background: #fdf1e3; font-weight: 600; }
#panel-body .swatch { width: 16px; height: 16px; border-radius: 4px; border: 1px solid rgba(0,0,0,0.2); }

.validation-summary { display: flex; gap: 8px; }
.validation-summary span { flex: 1; padding: 7px; border-radius: 6px; text-align: center; font-size: 12px; font-weight: 700; }
.validation-summary .error { color: #a51f1f; background: #f9dddd; }
.validation-summary .warning { color: #8a4d00; background: #fce8cf; }
.validation-summary .ok { color: #356a37; background: #e2f1df; }
#panel-body .diagnostic-entry { display: flex; flex-direction: column; gap: 3px; border-left-width: 4px; }
#panel-body .diagnostic-entry.error { border-left-color: #d62828; }
#panel-body .diagnostic-entry.warning { border-left-color: var(--accent); }
.diagnostic-code { font-size: 10px; font-weight: 700; color: #77746c; letter-spacing: 0.3px; }
.diagnostic-message { line-height: 1.35; }
.diagnostic-path { font-family: ui-monospace, monospace; font-size: 10px; color: #8b887f; overflow-wrap: anywhere; }
#panel-body .validation-refresh { margin-top: 8px; text-align: center; font-weight: 600; }

.catalog { display: flex; flex-direction: column; gap: 6px; }
.item-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
.item-btn {
  display: flex !important;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 2px !important;
  text-align: center !important;
}
.item-btn span { font-size: 10.5px; color: #77746c; line-height: 1.2; }
.item-btn.active { border-color: var(--accent) !important; background: #fdf1e3 !important; }
.item-btn canvas { max-width: 100%; }

/* -------------------------------------------------------- Geschosse rechts */
#floor-panel {
  position: fixed;
  right: 12px;
  bottom: 14px;
  width: 232px;
  /* Bei kleinen Fenstern nicht über den oberen Rand hinauswachsen */
  max-height: calc(100vh - 74px);
  overflow-y: auto;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.12);
  padding: 10px;
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#floors { display: flex; flex-direction: column; gap: 4px; }
.floor-btn {
  position: relative;
  font: inherit;
  font-weight: 600;
  font-size: 13px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #f4f1ea;
  cursor: pointer;
  text-align: center;
}
.floor-btn.active { background: var(--accent); border-color: var(--accent-dark); color: #fff; }
.floor-btn.dragging { opacity: 0.5; }
.floor-btn.drag-over { outline: 2px dashed #3498db; outline-offset: -2px; }
.floor-del, .floor-copy {
  position: absolute;
  right: 7px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  font-weight: 700;
}
.floor-copy { right: 22px; font-weight: 400; }
.floor-btn:hover .floor-del, .floor-btn:hover .floor-copy { opacity: 0.55; }
.floor-btn .floor-del:hover, .floor-btn .floor-copy:hover { opacity: 1; }
#btn-add-floor {
  font: inherit;
  font-size: 12.5px;
  padding: 6px;
  border: 1px dashed var(--border);
  border-radius: 7px;
  background: none;
  cursor: pointer;
  color: #77746c;
}
#btn-add-floor:hover { border-color: var(--accent); color: var(--accent-dark); }
.toggles { display: flex; flex-direction: column; gap: 5px; border-top: 1px solid var(--border); padding-top: 8px; }
.toggles label { display: flex; align-items: center; gap: 8px; font-size: 13px; cursor: pointer; }
.toggles input { accent-color: var(--accent); }
.toggles label.inline { justify-content: space-between; gap: 6px; }
.toggles select, .toggles input[type="number"] {
  font: inherit;
  font-size: 12.5px;
  padding: 3px 5px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
}
.toggles input[type="number"] { width: 58px; }
.toggles .control-range { display: grid; grid-template-columns: 1fr auto; gap: 3px 8px; cursor: default; }
.control-range output { color: var(--accent-dark); font-size: 12px; font-variant-numeric: tabular-nums; }
.toggles .control-range input[type="range"] { grid-column: 1 / -1; width: 100%; margin: 0; accent-color: var(--accent); }
.lighting-controls strong { font-size: 13px; color: #55534e; }
.material-option { display: flex; align-items: center; gap: 8px; }
.material-option .swatch { width: 22px; height: 16px; border: 1px solid rgba(0,0,0,.16); border-radius: 3px; }

/* Kopfbereich des Panels: klebt beim Scrollen oben, damit der 2D/3D-Umschalter
   immer erreichbar bleibt (das Panel kann durch viele Optionen länger werden). */
.panel-head {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--panel-bg);
  margin: -10px -10px 0;
  padding: 10px 10px 6px;
}

/* Einklappbare Options-Gruppen im Panel */
.opt-group { border-top: 1px solid var(--border); }
.opt-group > summary {
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 700;
  color: #77746c;
  padding: 7px 2px 4px;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}
.opt-group > summary::-webkit-details-marker { display: none; }
.opt-group > summary::before { content: '▸'; font-size: 11px; transition: transform 0.12s; }
.opt-group[open] > summary::before { transform: rotate(90deg); }
.opt-group > summary:hover { color: var(--accent-dark); }
/* Die Gruppe bringt die Trennlinie schon selbst mit */
.opt-group .toggles { border-top: none; padding-top: 2px; }

/* Aktiver Verschiebe-Modus fürs Satellitenbild */
#btn-sat-move.active { background: var(--accent); border-color: var(--accent); color: #fff; }
body.sat-move #plan-canvas { cursor: move; }

/* 2D/3D-Umschalter */
.mode-switch { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.mode-switch button {
  flex: 1;
  font: inherit;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 0;
  border: none;
  background: #f4f1ea;
  cursor: pointer;
  color: #77746c;
}
.mode-switch button.active { background: var(--accent); color: #fff; }

/* Rundgang-Schalter: nur im 3D-Modus sichtbar */
#btn-walk {
  display: none;
  font: inherit;
  font-size: 12.5px;
  font-weight: 700;
  padding: 7px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #f4f1ea;
  cursor: pointer;
  color: #77746c;
}
body.mode-3d #btn-walk { display: block; }
#btn-walk:hover { border-color: var(--accent); color: var(--accent-dark); }
#btn-walk.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Im Rundgang bleiben Werkzeugleiste und Katalog nutzbar – Objekte lassen sich
   direkt aus der Ego-Perspektive setzen. Nur Geschossliste, Ansichts-Optionen
   und der 2D/3D-Umschalter wären hier ohne Nutzen. */
body.walk-mode #floor-panel .toggles,
body.walk-mode #floor-panel .opt-group,
body.walk-mode #floor-panel .panel-head,
body.walk-mode #floor-panel .mode-switch,
body.walk-mode #btn-add-floor { display: none; }
/* Das Eigenschaften-/Katalogpanel darf die Sicht nicht zustellen */
body.walk-mode #panel { max-height: calc(100vh - 200px); opacity: 0.96; }

/* Ansichts-Optionen je Modus: .only-2d nur in 2D, .only-3d nur in 3D. */
body:not(.mode-3d) .only-3d { display: none !important; }
body.mode-3d .only-2d { display: none !important; }

/* Aktions-Buttons in den Options-Gruppen einheitlich gestalten */
.toggles button {
  font: inherit;
  font-size: 12.5px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
}
.toggles button:hover { border-color: var(--accent); color: var(--accent-dark); }
.toggles button.full { width: 100%; margin-top: 3px; }
.small-note { font-size: 11px; color: #8a857c; line-height: 1.4; }

/* Dacheditor: die 2D-Zeichenwerkzeuge und Geschossliste gelten hier nicht */
body.mode-roof #toolbar,
body.mode-roof #view-toggles,
body.mode-roof #btn-add-floor { display: none; }

/* ------------------------------------------------------------------ Extras */
#sync-note {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translate(-50%, 60px);
  background: #333;
  color: #fff;
  font-size: 13px;
  padding: 9px 16px;
  border-radius: 8px;
  transition: transform 0.25s ease;
  z-index: 30;
}
#sync-note.show { transform: translate(-50%, 0); }

#help-modal, #info-modal, #map-modal, #image-import-modal, #print-modal, #report-modal, #statics-modal {
  display: none;
  position: fixed; inset: 0; z-index: 200;
  background: rgba(40,38,35,0.4);
  backdrop-filter: blur(2px);
  place-items: center;
}
#help-modal.open, #info-modal.open, #map-modal.open, #image-import-modal.open,
#print-modal.open, #report-modal.open, #statics-modal.open { display: grid; }

/* --- Drucken & Auswertung --- */
.modal-card h2 { font-size: 18px; }
.modal-card .field {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 12px; font-weight: 600; color: #6b6b66;
}
.modal-card .field select {
  font: inherit; font-weight: 400; color: var(--text);
  padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; background: #fff;
}
.modal-card .row { display: flex; align-items: center; gap: 8px; font-size: 13.5px; }
.print-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }
.modal-actions button {
  font: inherit; padding: 8px 18px; border: none; border-radius: 7px;
  background: var(--accent); color: #fff; font-weight: 600; cursor: pointer;
}
.modal-actions button.secondary { background: #f0ede6; color: var(--text); }
.modal-actions button:disabled { opacity: 0.6; cursor: default; }
.small-note { font-size: 12px; color: #6b6b66; line-height: 1.45; }

.report-card { width: min(760px, 94vw); max-width: 760px; }
.report-tabs { display: flex; flex-wrap: wrap; gap: 4px; border-bottom: 1px solid var(--border); }
.report-tabs button {
  font: inherit; font-size: 12.5px; font-weight: 600; color: #6b6b66;
  background: none; border: none; border-bottom: 2px solid transparent;
  padding: 7px 11px; cursor: pointer;
}
.report-tabs button:hover { color: var(--text); }
.report-tabs button.active { color: var(--accent-dark); border-bottom-color: var(--accent); }
#report-body, #statics-body { overflow: auto; max-height: 52vh; }
#report-body table, #statics-body table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
#report-body th, #statics-body th {
  position: sticky; top: 0; z-index: 1;
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em;
  color: #6b6b66; background: #faf8f4; padding: 6px 8px; border-bottom: 1px solid var(--border);
}
#report-body td, #statics-body td { padding: 5px 8px; border-bottom: 1px solid #f0ede6; }
#report-body td.num, #report-body th.num, #statics-body td.num, #statics-body th.num { text-align: right; font-variant-numeric: tabular-nums; }
#report-body tr.group td {
  background: #f6f3ed; font-weight: 700; font-size: 11.5px;
  text-transform: uppercase; letter-spacing: 0.04em; color: #6b6b66;
}
#report-body tr.total td { font-weight: 700; border-top: 1px solid var(--border); border-bottom: none; }
#report-body .ok { color: #2e7d32; font-weight: 600; }
#report-body .bad { color: #c0392b; font-weight: 600; }
#report-body .empty { padding: 24px 4px; color: #6b6b66; font-size: 13.5px; }
.statics-card { width: min(980px, 96vw); max-width: 980px; }
.statics-disclaimer { margin: 0; padding: 9px 11px; border-left: 4px solid #d8663f; background: #fff5e9; font-weight: 600; }
.statics-parameters { display: grid; grid-template-columns: repeat(3, minmax(150px, 1fr)); gap: 10px; }
.statics-parameters input, .statics-parameters select { min-height: 36px; padding: 6px 8px; border: 1px solid var(--border); border-radius: 7px; }
.statics-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px; }
.statics-kpi { padding: 10px; border: 1px solid var(--border); border-radius: 9px; background: #faf8f4; }
.statics-kpi strong { display: block; font-size: 18px; }
.statics-advice { margin: 7px 0; padding: 9px; border: 1px solid var(--border); border-left: 4px solid #d8663f; border-radius: 8px; }
.statics-advice.error { border-left-color: #c0392b; }
.statics-advice.info { border-left-color: #4d80a8; }
.statics-advice.dismissed { opacity: .7; border-left-color: #8b8b84; background: #f7f5f0; }
.statics-advice p { margin: 4px 0; }
.statics-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.statics-actions button { padding: 5px 9px; }
.statics-legend { height: 12px; border-radius: 999px; background: linear-gradient(90deg,#2878b5,#2ca25f,#f0d43a,#ee8b2d,#d62828); border: 1px solid rgba(0,0,0,.15); }

/* --- Standortwahl (Satellitenkarte) --- */
.map-card { width: min(720px, 94vw); max-width: 720px; gap: 10px; }
.map-search { display: flex; gap: 8px; }
.map-search input {
  flex: 1; font: inherit; padding: 8px 12px;
  border: 1px solid #d5d0c5; border-radius: 7px;
}
#map-wrap {
  position: relative; height: min(52vh, 420px);
  border-radius: 9px; overflow: hidden; background: #1c2126;
}
#map-canvas { width: 100%; height: 100%; display: block; cursor: grab; touch-action: none; }
#map-canvas:active { cursor: grabbing; }
#map-cross { position: absolute; left: 50%; top: 50%; width: 0; height: 0; pointer-events: none; }
#map-cross::before, #map-cross::after {
  content: ''; position: absolute; background: #ff4d3a;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.75);
}
#map-cross::before { left: -14px; top: -1px; width: 28px; height: 2px; }
#map-cross::after { left: -1px; top: -14px; width: 2px; height: 28px; }
#map-zoom { position: absolute; right: 10px; top: 10px; display: flex; flex-direction: column; gap: 5px; }
#map-zoom button {
  width: 32px; height: 32px; font-size: 17px; line-height: 1;
  border: none; border-radius: 7px; background: rgba(255,255,255,0.92); cursor: pointer;
}
#map-coords {
  position: absolute; left: 10px; bottom: 8px; font-size: 11px;
  color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}
#map-attrib {
  position: absolute; left: 8px; top: 8px; max-width: calc(100% - 62px); font-size: 10px;
  padding: 2px 5px; border-radius: 4px; background: rgba(0,0,0,.4);
  color: rgba(255,255,255,0.9); text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}
.image-import-card { width: min(660px, 94vw); max-width: 660px; }
#sat-import-preview-wrap {
  display: grid; place-items: center; min-height: 150px; max-height: 32vh;
  overflow: hidden; border: 1px solid var(--border); border-radius: 9px;
  background: #e8e5de;
}
#sat-import-preview { display: block; max-width: 100%; max-height: 32vh; object-fit: contain; }
.image-import-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 14px; }
.image-import-grid input {
  width: 100%; box-sizing: border-box; font: inherit; padding: 6px 8px;
  border: 1px solid var(--border); border-radius: 6px; background: #fff;
}
.image-import-grid .field span { display: flex; align-items: center; gap: 6px; font-weight: 400; color: var(--text); }
#sat-import-apply { font: inherit; padding: 8px 18px; border: none; border-radius: 7px; background: var(--accent); color: #fff; font-weight: 600; cursor: pointer; }
@media (max-width: 620px) { .image-import-grid { grid-template-columns: 1fr; } }
.map-row { display: flex; align-items: center; gap: 10px; font-size: 13.5px; }
.map-row select { font: inherit; padding: 4px 6px; border: 1px solid #d5d0c5; border-radius: 6px; }
#map-apply {
  font: inherit; padding: 8px 18px; border: none; border-radius: 7px;
  background: var(--accent); color: #fff; font-weight: 600; cursor: pointer;
}
#map-apply:disabled { opacity: 0.6; cursor: default; }
#map-cancel { font: inherit; padding: 8px 14px; cursor: pointer; }
.modal-card {
  background: #fff;
  border-radius: 12px;
  padding: 26px 30px;
  max-width: 520px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.modal-card table { border-collapse: collapse; font-size: 13.5px; }
.modal-card td { padding: 4px 14px 4px 0; vertical-align: top; }
.modal-card p { font-size: 13.5px; line-height: 1.5; color: #55534e; }
.modal-card code { background: #f0ede6; padding: 1px 5px; border-radius: 4px; }
#help-close {
  align-self: flex-end;
  font: inherit;
  padding: 8px 18px;
  border: none;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-thumb { background: #d5d0c5; border-radius: 5px; }

/* ========================================================= Design refresh
   Ruhige, architektonische Arbeitsoberfläche. Die funktionalen Selektoren und
   Größenbezüge bleiben erhalten; dieser Block verfeinert nur die Darstellung. */
:root {
  --accent: #d8663f;
  --accent-dark: #b84726;
  --accent-soft: #fff0e9;
  --ink: #17211c;
  --ink-soft: #536058;
  --panel-bg: rgba(255, 255, 252, 0.96);
  --panel-solid: #fffffc;
  --panel-muted: #f5f5ef;
  --border: rgba(24, 39, 31, 0.13);
  --border-strong: rgba(24, 39, 31, 0.22);
  --text: #233028;
  --muted: #6e7871;
  --success: #2d7550;
  --danger: #b7443b;
  --shadow-panel: 0 18px 48px rgba(19, 31, 25, 0.13), 0 2px 8px rgba(19, 31, 25, 0.08);
  --shadow-float: 0 24px 70px rgba(8, 18, 13, 0.28);
}

html, body {
  font-family: "Aptos", "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background: #bcc8b2;
}

button, input, select { font-family: inherit; }
button, select, label, summary { -webkit-tap-highlight-color: transparent; }
button, input, select { transition: border-color 140ms ease, background-color 140ms ease, color 140ms ease, box-shadow 140ms ease, transform 140ms ease; }
button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(216, 102, 63, 0.28);
  outline-offset: 2px;
}

/* Kopfleiste */
#topbar {
  top: 12px;
  left: 78px;
  right: 14px;
  height: 58px;
  gap: 5px;
  padding: 7px 9px;
  color: #fff;
  background: rgba(20, 31, 26, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 16px;
  box-shadow: 0 16px 42px rgba(9, 18, 13, 0.24), inset 0 1px rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(18px) saturate(1.2);
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}
#topbar::-webkit-scrollbar { display: none; }
.app-brand {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 9px 0 3px;
  height: 100%;
}
.app-brand-mark {
  position: relative;
  width: 30px;
  height: 30px;
  border: 2px solid #fff;
  border-radius: 9px 4px 9px 4px;
  opacity: 0.96;
}
.app-brand-mark::before, .app-brand-mark::after, .app-brand-mark i {
  content: "";
  position: absolute;
  display: block;
  background: var(--accent);
  border-radius: 2px;
}
.app-brand-mark::before { left: 7px; top: 0; bottom: 8px; width: 2px; }
.app-brand-mark::after { left: 7px; right: 0; bottom: 8px; height: 2px; }
.app-brand-mark i { left: 15px; top: 9px; right: 0; height: 2px; }
.app-brand-name {
  font-size: 11px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.92);
}
#topbar button {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 8px 9px;
  color: rgba(255, 255, 255, 0.7);
  text-transform: none;
  letter-spacing: 0.01em;
  font-size: 12px;
  font-weight: 650;
  border: 1px solid transparent;
  border-radius: 9px;
}
#topbar button:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.07);
}
#topbar button:active { transform: translateY(1px); }
#topbar button.active {
  background: var(--accent);
  border-color: rgba(255, 255, 255, 0.12);
  color: #fff;
  box-shadow: 0 5px 16px rgba(180, 63, 31, 0.35);
}
#topbar button svg { width: 17px; height: 17px; }
#topbar .sep { flex: 0 0 auto; height: 24px; background: rgba(255, 255, 255, 0.12); }
#plan-name {
  flex: 0 0 190px;
  width: 190px;
  min-width: 110px;
  padding: 8px 10px;
  color: #fff;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 700;
}
#plan-name:hover { border-color: rgba(255, 255, 255, 0.14); background: rgba(255, 255, 255, 0.06); }
#plan-name:focus { border-color: rgba(255, 255, 255, 0.2); background: rgba(255, 255, 255, 0.1); }
#save-state {
  position: relative;
  flex: 0 0 auto;
  padding-left: 14px;
  color: rgba(255, 255, 255, 0.5);
  white-space: nowrap;
}
#save-state::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #70c995;
  transform: translateY(-50%);
  box-shadow: 0 0 0 3px rgba(112, 201, 149, 0.12);
}
#house-select {
  flex: 0 0 auto;
  height: 36px;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.12);
  border-radius: 9px;
}
#house-select:hover { color: #fff; background: rgba(255, 255, 255, 0.11); }

/* Vertikale Werkzeugleiste */
#toolbar {
  top: 12px;
  left: 14px;
  gap: 3px;
  padding: 7px;
  background: rgba(20, 31, 26, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 16px;
  box-shadow: 0 16px 42px rgba(9, 18, 13, 0.24), inset 0 1px rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(18px) saturate(1.2);
}
#toolbar button {
  width: 46px;
  height: 42px;
  color: rgba(255, 255, 255, 0.67);
  border: 1px solid transparent;
  border-radius: 10px;
}
#toolbar button svg { width: 21px; height: 21px; }
#toolbar button:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.06);
}
#toolbar button.active {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 6px 18px rgba(180, 63, 31, 0.38);
}
#toolbar button:active { transform: scale(0.96); }
#toolbar .tsep { background: rgba(255, 255, 255, 0.12); margin: 3px 7px; }
#toolbar button[data-tool="delete"] { color: rgba(255, 174, 167, 0.76); }
#toolbar button[data-tool="delete"]:hover { color: #fff; background: #913c36; }
#toolbar button[data-tip]::after {
  left: calc(100% + 12px);
  padding: 7px 10px;
  color: var(--ink);
  background: rgba(255, 255, 252, 0.98);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(15, 28, 21, 0.18);
  font: 650 12px/1.3 "Aptos", "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
}

/* Linkes Werkzeug-/Eigenschaftenpanel */
#panel {
  top: 84px;
  left: 78px;
  width: 322px;
  max-height: calc(100vh - 102px);
  background: var(--panel-bg);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 16px;
  box-shadow: var(--shadow-panel);
  backdrop-filter: blur(18px) saturate(1.15);
}
#panel-title {
  position: relative;
  min-height: 50px;
  padding: 16px 18px 13px 22px;
  color: var(--ink);
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  font-weight: 750;
  letter-spacing: -0.01em;
}
#panel-title::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 16px;
  bottom: 14px;
  width: 3px;
  border-radius: 3px;
  background: var(--accent);
}
#panel-body { padding: 14px 16px 18px; gap: 9px; }
#panel-body h3 {
  margin: 10px 0 1px;
  color: #7a837c;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.1em;
}
#panel-body .hint {
  padding: 10px 11px;
  color: var(--ink-soft);
  background: var(--panel-muted);
  border: 1px solid rgba(24, 39, 31, 0.07);
  border-radius: 10px;
  font-size: 12.5px;
  line-height: 1.5;
}
#panel-body .stair-connection,
#panel-body .stair-summary { background: #f5f6f2; border-color: var(--border); }
#panel-body .stair-ok,
#panel-body .stair-issue { padding: 7px 9px; }
#panel-body .stair-ok { color: #27633d; background: #e8f4eb; border-color: #cde4d3; }
#panel-body .stair-issue { color: #8a5a13; background: #fff4dd; border-color: #eedbb5; }
#panel-body .stair-issue.error { color: #a32925; background: #fde9e7; border-color: #efc8c4; }
#panel-body .row { min-height: 28px; color: var(--ink-soft); }
#panel-body .field { gap: 5px; color: var(--muted); font-weight: 650; }
#panel-body input[type="number"], #panel-body input[type="text"], #panel-body input[type="search"], #panel-body select {
  min-height: 38px;
  padding: 8px 10px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  border-color: var(--border);
  border-radius: 9px;
  box-shadow: 0 1px rgba(255, 255, 255, 0.9);
}
#panel-body input:hover, #panel-body select:hover { border-color: var(--border-strong); }
#panel-body input:focus, #panel-body select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(216, 102, 63, 0.12);
  outline: none;
}
#panel-body button {
  min-height: 38px;
  padding: 8px 11px;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.78);
  border-color: var(--border);
  border-radius: 9px;
  font-weight: 620;
}
#panel-body button:hover {
  color: var(--ink);
  background: #fff;
  border-color: var(--border-strong);
  box-shadow: 0 4px 12px rgba(23, 33, 28, 0.07);
}
#panel-body button.active, #panel-body .option-btn.active {
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-color: rgba(216, 102, 63, 0.45);
  box-shadow: inset 3px 0 var(--accent);
}
#panel-body button.danger { color: var(--danger); border-color: rgba(183, 68, 59, 0.22); }
#panel-body button.danger:hover { color: #fff; background: var(--danger); border-color: var(--danger); }

.system-library-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}
#panel-body .system-library-section {
  grid-column: 1 / -1;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}
#panel-body .system-library-item {
  min-width: 0;
  min-height: 82px;
  padding: 6px 5px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 3px;
  text-align: center;
}
.system-library-item > span:last-child { width: 100%; min-width: 0; line-height: 1.15; overflow-wrap: normal; }
.system-library-symbol { flex: 0 0 46px; width: 46px; height: 34px; }
.system-route-symbol {
  position: relative;
  flex: 0 0 42px;
  width: 42px;
  height: 24px;
}
.system-route-symbol::before {
  content: "";
  position: absolute;
  left: 2px;
  right: 2px;
  top: 11px;
  border-top: 3px solid #e2a326;
}
.system-route-symbol.conduit::before { border-top: 2px dashed #39b85a; }

.facade-layer-row {
  display: grid;
  gap: 6px;
  min-width: 0;
  padding: 7px;
  background: var(--panel-muted);
  border: 1px solid rgba(24, 39, 31, 0.07);
  border-radius: 11px;
}
#panel-body .facade-layer-select {
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  overflow: hidden;
}
.facade-layer-select > span {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.facade-layer-select > small { color: var(--muted); font-size: 11.5px; font-weight: 550; }
.facade-layer-actions { display: grid; grid-template-columns: minmax(0, 1fr) 40px 40px; gap: 6px; }
#panel-body .facade-layer-actions > button { min-width: 0; text-align: center; }

.facade-material-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin-bottom: 5px;
}
#panel-body .facade-reset {
  width: 100%;
  min-height: 58px;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  margin-bottom: 8px;
  text-align: left;
}
.facade-reset > span:last-child { min-width: 0; display: grid; gap: 2px; }
.facade-reset strong { color: var(--ink); font-size: 12.5px; }
.facade-reset small { color: var(--muted); font-size: 10.5px; line-height: 1.25; }
.facade-reset-icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-radius: 8px;
  font-size: 20px;
}
#panel-body .facade-reset.active { color: #fff; background: var(--accent); border-color: var(--accent); box-shadow: 0 5px 16px rgba(180, 63, 31, 0.22); }
#panel-body .facade-reset.active strong, #panel-body .facade-reset.active small { color: #fff; }
#panel-body .facade-reset.active .facade-reset-icon { color: #fff; background: rgba(255,255,255,.17); }
#panel-body .facade-material {
  min-width: 0;
  min-height: 78px;
  display: grid;
  grid-template-rows: 34px auto;
  gap: 6px;
  padding: 6px;
  text-align: left;
}
#panel-body .facade-material.active { box-shadow: inset 0 0 0 2px var(--accent); }
.facade-material-swatch {
  display: block;
  width: 100%;
  height: 34px;
  border: 1px solid rgba(24, 39, 31, 0.12);
  border-radius: 6px;
  background-color: #e8e3dc;
}
.facade-material-copy { min-width: 0; display: grid; gap: 1px; }
.facade-material-copy strong { overflow: hidden; font-size: 12px; line-height: 1.2; text-overflow: ellipsis; white-space: nowrap; }
.facade-material-copy small { color: var(--muted); font-size: 10.5px; line-height: 1.2; }
.facade-material-swatch.material-plaster { background: linear-gradient(135deg, #eeeae4, #d9d2ca); }
.facade-material-swatch.material-wood { background: repeating-linear-gradient(90deg, #9a7046 0 13px, #68482d 13px 15px, #ad8052 15px 27px, #755136 27px 29px); }
.facade-material-swatch.material-brick { background-color: #a85f4d; background-image: linear-gradient(#e5c8bb 1px, transparent 1px), linear-gradient(90deg, #e5c8bb 1px, transparent 1px); background-size: 22px 11px; }
.facade-material-swatch.material-stone { background: linear-gradient(115deg, transparent 48%, #d1cbc3 49% 52%, transparent 53%), repeating-linear-gradient(0deg, #8f867a 0 13px, #c8c1b8 13px 15px); }
.facade-material-swatch.material-concrete { background-color: #a7a9a8; background-image: radial-gradient(circle at 20% 30%, #858887 0 1px, transparent 1.5px), radial-gradient(circle at 75% 65%, #c4c6c5 0 1px, transparent 1.5px); background-size: 24px 20px; }
.facade-material-swatch.material-tile { background-color: #8ca0aa; background-image: linear-gradient(#d6dde0 1px, transparent 1px), linear-gradient(90deg, #d6dde0 1px, transparent 1px); background-size: 16px 16px; }

.item-grid { gap: 7px; }
.item-btn { min-height: 82px !important; padding: 7px 3px !important; }
.item-btn:hover { transform: translateY(-1px); }
.item-btn span { color: var(--muted); font-size: 10.5px; }
.item-btn.active { background: var(--accent-soft) !important; border-color: rgba(216, 102, 63, 0.5) !important; }
.validation-summary span { padding: 9px 7px; border-radius: 9px; }
.validation-summary .error { color: #963b36; background: #f9e5e2; }
.validation-summary .warning { color: #8b5723; background: #fff0d8; }
.validation-summary .ok { color: var(--success); background: #e6f3eb; }

/* Rechte Ansichts- und Geschosssteuerung */
#floor-panel {
  right: 14px;
  bottom: 16px;
  width: 248px;
  max-height: calc(100vh - 100px);
  padding: 11px;
  gap: 9px;
  background: var(--panel-bg);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 16px;
  box-shadow: var(--shadow-panel);
  backdrop-filter: blur(18px) saturate(1.15);
}
.panel-head {
  margin: -11px -11px 0;
  padding: 11px 11px 8px;
  background: linear-gradient(to bottom, rgba(255, 255, 252, 0.99) 76%, rgba(255, 255, 252, 0));
}
.mode-switch {
  gap: 4px;
  padding: 4px;
  background: #ebece6;
  border: 0;
  border-radius: 11px;
}
.mode-switch button {
  min-height: 34px;
  padding: 7px 0;
  color: #69746c;
  background: transparent;
  border-radius: 8px;
  font-size: 12px;
}
.mode-switch button:hover { color: var(--ink); background: rgba(255, 255, 255, 0.58); }
.mode-switch button.active {
  color: #fff;
  background: var(--ink);
  box-shadow: 0 4px 12px rgba(23, 33, 28, 0.18);
}
#floors { gap: 5px; }
.floor-btn {
  min-height: 36px;
  padding: 8px 36px 8px 14px;
  color: var(--ink-soft);
  background: var(--panel-muted);
  border-color: transparent;
  border-radius: 9px;
  text-align: left;
}
.floor-btn:hover { color: var(--ink); background: #eceee8; border-color: var(--border); }
.floor-btn.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 5px 16px rgba(180, 63, 31, 0.25);
}
.floor-del, .floor-copy { opacity: 0.38; }
#btn-add-floor {
  min-height: 34px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.5);
  border-color: var(--border-strong);
  border-radius: 9px;
  font-weight: 650;
}
#btn-add-floor:hover { color: var(--accent-dark); background: var(--accent-soft); border-color: var(--accent); }
.toggles { gap: 7px; border-color: var(--border); }
.toggles label { min-height: 25px; color: var(--ink-soft); font-size: 12.5px; }
.toggles input[type="checkbox"], .toggles input[type="radio"] { width: 15px; height: 15px; }
.toggles select, .toggles input[type="number"] {
  min-height: 30px;
  color: var(--ink);
  border-color: var(--border);
  border-radius: 8px;
}
.control-range output { color: var(--accent-dark); font-weight: 700; }
.opt-group { border-color: var(--border); }
.opt-group > summary {
  min-height: 34px;
  padding: 8px 3px 5px;
  color: var(--ink-soft);
  font-size: 12px;
  letter-spacing: 0.01em;
}
.opt-group > summary::before { color: var(--accent); }
.opt-group > summary:hover { color: var(--ink); }
.toggles button, #btn-walk {
  min-height: 34px;
  color: var(--ink-soft);
  border-color: var(--border);
  border-radius: 9px;
}
.toggles button:hover, #btn-walk:hover { color: var(--accent-dark); background: var(--accent-soft); border-color: rgba(216, 102, 63, 0.45); }
#btn-walk.active, #btn-sat-move.active { color: #fff; background: var(--accent); border-color: var(--accent); }

/* Dialoge, Berichte und Rückmeldungen */
#help-modal, #info-modal, #map-modal, #image-import-modal, #print-modal, #report-modal, #statics-modal {
  padding: 20px;
  background: rgba(11, 20, 15, 0.56);
  backdrop-filter: blur(8px) saturate(0.85);
}
.modal-card {
  padding: 26px 28px;
  color: var(--text);
  background: var(--panel-solid);
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 18px;
  box-shadow: var(--shadow-float);
  gap: 16px;
}
.modal-card h2 { color: var(--ink); font-size: 20px; font-weight: 760; letter-spacing: -0.025em; }
.modal-card p { color: var(--ink-soft); }
.modal-card code { color: var(--accent-dark); background: var(--accent-soft); }
.modal-card .field { color: var(--muted); }
.modal-card .field select, .map-search input, .map-row select {
  min-height: 38px;
  color: var(--ink);
  border-color: var(--border);
  border-radius: 9px;
}
.modal-actions { gap: 9px; margin-top: 5px; }
.modal-actions button, #map-apply, #map-cancel, #map-go, #help-close, #info-close {
  min-height: 38px;
  padding: 9px 17px;
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 9px;
  box-shadow: 0 4px 14px rgba(180, 63, 31, 0.22);
  font-family: inherit;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.2;
  cursor: pointer;
}
.modal-actions button:hover, #map-apply:hover, #help-close:hover, #info-close:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.modal-actions button.secondary, #map-cancel, #map-go {
  color: var(--ink-soft);
  background: var(--panel-muted);
  border: 1px solid var(--border);
  box-shadow: none;
}
.report-tabs { gap: 3px; border-color: var(--border); }
.report-tabs button { color: var(--muted); border-radius: 7px 7px 0 0; }
.report-tabs button:hover { color: var(--ink); background: var(--panel-muted); }
.report-tabs button.active { color: var(--accent-dark); background: var(--accent-soft); border-bottom-color: var(--accent); }
#report-body th, #statics-body th { color: var(--muted); background: var(--panel-muted); border-color: var(--border); }
#report-body td, #statics-body td { border-color: var(--border); }
#report-body tr.group td { color: var(--ink-soft); background: #eff0ea; }
#map-wrap { border: 1px solid rgba(23, 33, 28, 0.2); border-radius: 12px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); }
#sync-note {
  padding: 10px 16px;
  color: #fff;
  background: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  box-shadow: 0 8px 28px rgba(10, 20, 14, 0.25);
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(35, 48, 40, 0.19); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: rgba(35, 48, 40, 0.3); }

/* Kompakte Anpassung: alle Funktionen bleiben auch bei kleineren Fenstern erreichbar. */
@media (max-width: 1380px) {
  .app-brand-name { display: none; }
  .app-brand { padding-right: 4px; }
  #plan-name { flex-basis: 150px; width: 150px; }
  #topbar button { padding-inline: 8px; }
}

@media (max-width: 980px) {
  #topbar { left: 72px; right: 10px; top: 10px; }
  #toolbar { left: 10px; top: 10px; }
  #panel { left: 72px; top: 80px; width: min(310px, calc(100vw - 94px)); }
  #floor-panel { right: 10px; bottom: 10px; width: 228px; }
  #save-state { display: none; }
  .statics-parameters { grid-template-columns: repeat(2, minmax(140px, 1fr)); }
}

@media (max-height: 760px) {
  #topbar { height: 52px; }
  #toolbar {
    max-height: calc(100vh - 20px);
    overflow-y: auto;
    scrollbar-width: none;
  }
  #toolbar::-webkit-scrollbar { display: none; }
  #toolbar button { width: 42px; height: 38px; min-height: 38px; }
  #panel { top: 74px; max-height: calc(100vh - 86px); }
  #floor-panel { max-height: calc(100vh - 78px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* Rechtliche Informationen bleiben als direkter Link jederzeit erreichbar. */
#topbar .topbar-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 8px 9px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
  font-weight: 650;
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 9px;
}
#topbar .topbar-link:hover,
#topbar .topbar-link:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.12);
}
#topbar .topbar-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.mobile-legal-links { display: none; }

@media (max-width: 820px) {
  #topbar .topbar-link { display: none; }
  .mobile-legal-links {
    position: fixed;
    right: 12px;
    bottom: 12px;
    z-index: 160;
    display: inline-flex;
    overflow: hidden;
    background: #16231c;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(18, 35, 25, 0.28);
  }
  .mobile-legal-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 9px 13px;
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
  }
  .mobile-legal-links a + a { border-left: 1px solid rgba(255, 255, 255, 0.14); }
  .mobile-legal-links a:hover,
  .mobile-legal-links a:focus-visible { color: #fff; background: #24382d; }
}

/* ========================================================================
   Verdichtete App-Hülle
   Häufige Aktionen bleiben sichtbar, der vollständige Funktionsumfang liegt
   in klar benannten, ein Klick tiefen Gruppen. */
.shell-enhanced #topbar {
  left: 70px;
  right: 12px;
  height: 52px;
  gap: 5px;
  padding: 0 8px;
  overflow: visible;
  z-index: 100;
}
.shell-enhanced .app-brand {
  margin-right: 3px;
  padding-right: 9px;
}
.shell-enhanced #topbar > button {
  min-width: 36px;
  min-height: 36px;
  justify-content: center;
  padding: 8px;
}
.shell-enhanced #btn-rotate {
  color: var(--ink-soft);
  background: var(--panel-muted);
  border: 1px solid transparent;
}
.shell-enhanced #plan-name {
  width: clamp(140px, 17vw, 250px);
  height: 36px;
  padding: 6px 9px;
  background: rgba(244, 245, 240, 0.76);
  border-color: transparent;
}
.shell-enhanced #save-state {
  position: relative;
  max-width: 82px;
  padding-left: 12px;
  white-space: nowrap;
}
.shell-enhanced #save-state::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  transform: translateY(-50%);
}
.shell-enhanced #house-select {
  min-height: 36px;
  max-width: min(19vw, 210px);
  background: var(--panel-muted);
  border-color: transparent;
}

.top-action-menu {
  position: relative;
  flex: none;
}
.top-action-menu > summary {
  min-height: 36px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  color: var(--ink-soft);
  border-radius: 9px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.top-action-menu > summary::-webkit-details-marker { display: none; }
.top-action-menu > summary::after {
  content: "⌄";
  color: var(--muted);
  font-size: 11px;
  transform: translateY(-1px);
}
.top-action-menu > summary:hover,
.top-action-menu[open] > summary {
  color: var(--ink);
  background: var(--panel-muted);
}
.top-action-menu:has(button.active) > summary {
  color: var(--accent-dark);
  background: var(--accent-soft);
}
.top-action-menu .action-popover {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 220px;
  display: grid;
  gap: 4px;
  padding: 7px;
  background: rgba(255, 255, 252, 0.98);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-float);
  backdrop-filter: blur(18px);
  z-index: 80;
}
.shell-enhanced #topbar .top-action-menu button {
  width: 100%;
  min-height: 38px;
  justify-content: flex-start;
  padding: 9px 11px;
  color: var(--ink-soft);
  text-align: left;
  text-transform: none;
  letter-spacing: 0;
  border-radius: 8px;
}
.shell-enhanced #topbar .top-action-menu button:hover { background: var(--panel-muted); }
.shell-enhanced #topbar .top-action-menu button.active {
  color: #fff;
  background: var(--accent);
}
.shell-enhanced #btn-help[data-compact] {
  width: 36px;
  color: var(--muted);
  background: var(--panel-muted);
  border-radius: 9px;
}

/* Gruppierte Werkzeugleiste */
.shell-enhanced #toolbar {
  top: 10px;
  left: 10px;
  gap: 3px;
  width: 50px;
  padding: 5px;
  overflow: visible;
}
.shell-enhanced #toolbar > button,
.tool-group > summary {
  width: 38px;
  height: 38px;
  min-height: 38px;
  display: grid;
  place-items: center;
  color: var(--ink-soft);
  border: 0;
  border-radius: 9px;
  background: transparent;
}
.tool-group {
  position: relative;
}
.tool-group > summary {
  position: relative;
  font-size: 19px;
  font-weight: 650;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.tool-group > summary::-webkit-details-marker { display: none; }
.tool-group > summary::before {
  content: "";
  position: absolute;
  right: 4px;
  bottom: 4px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--border-strong);
}
.tool-group > summary:hover,
.tool-group[open] > summary { color: var(--ink); background: var(--panel-muted); }
.tool-group.has-active > summary {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 5px 14px rgba(180, 63, 31, 0.23);
}
.tool-group.has-active > summary::before { background: rgba(255,255,255,.85); }
.tool-group > summary[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  left: calc(100% + 11px);
  top: 50%;
  width: max-content;
  max-width: 220px;
  padding: 6px 9px;
  color: #fff;
  background: var(--ink);
  border-radius: 7px;
  font: 650 12px/1.3 "Aptos", "Segoe UI", sans-serif;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-50%);
  transition: opacity .12s;
  z-index: 90;
}
.tool-group:not([open]) > summary[data-tip]:hover::after { opacity: 1; transition-delay: .35s; }
.tool-popover {
  position: absolute;
  left: calc(100% + 10px);
  top: -6px;
  width: 232px;
  display: grid;
  gap: 4px;
  padding: 7px;
  background: rgba(255, 255, 252, 0.98);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-float);
  backdrop-filter: blur(18px);
  z-index: 80;
}
.shell-enhanced #toolbar .tool-popover button {
  width: 100%;
  height: 40px;
  display: grid;
  grid-template-columns: 30px 1fr;
  place-items: center start;
  gap: 8px;
  padding: 5px 9px;
  color: var(--ink-soft);
  background: transparent;
  border-radius: 8px;
}
.shell-enhanced #toolbar .tool-popover button:hover { background: var(--panel-muted); }
.shell-enhanced #toolbar .tool-popover button.active {
  color: var(--accent-dark);
  background: var(--accent-soft);
  box-shadow: inset 3px 0 var(--accent);
}
.shell-enhanced #toolbar .tool-popover button svg { width: 20px; height: 20px; }
.shell-enhanced #toolbar .tool-popover button[data-tip]::after { display: none; }
.tool-caption {
  overflow: hidden;
  color: inherit;
  font: 650 12.5px/1.2 "Aptos", "Segoe UI", sans-serif;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Kontext- und Ansichtsflächen */
.shell-enhanced #panel {
  top: 74px;
  left: 70px;
  width: 308px;
  max-height: calc(100vh - 88px);
}
.shell-enhanced #floor-panel {
  top: 74px;
  right: 12px;
  bottom: auto;
  width: 232px;
  max-height: calc(100vh - 88px);
}
.view-group > .action-popover { display: block; }
.view-group #view-toggles {
  padding: 3px 2px 5px;
  border-top: 0;
}
.view-group #view-toggles label { min-height: 27px; }
.shell-enhanced .opt-group > summary {
  padding-block: 8px 6px;
}

@media (max-width: 1180px) {
  .shell-enhanced .app-brand-name,
  .shell-enhanced #save-state,
  .shell-enhanced #topbar .sep { display: none; }
  .shell-enhanced #plan-name { width: min(25vw, 200px); }
  .shell-enhanced #house-select { max-width: 20vw; }
}

@media (max-width: 820px) {
  .shell-enhanced #topbar { left: 66px; }
  .shell-enhanced #btn-rotate { display: none; }
  .top-action-menu > summary { padding-inline: 8px; }
  .shell-enhanced #panel { left: 66px; width: min(300px, calc(100vw - 330px)); }
}

/* ========================================================================
   Lesbarkeit
   Die dunklen Hauptleisten behalten ihren ruhigen Charakter, bekommen aber
   durchgehend helle Bedienelemente. Kleine Hilfstexte werden auf ein gut
   lesbares Mindestmaß angehoben. */
:root {
  --muted: #59655d;
  --ink-soft: #46534b;
}

.shell-enhanced #topbar #plan-name,
.shell-enhanced #topbar #house-select {
  color: rgba(255, 255, 255, 0.94);
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.13);
}
.shell-enhanced #topbar #plan-name:hover,
.shell-enhanced #topbar #plan-name:focus,
.shell-enhanced #topbar #house-select:hover,
.shell-enhanced #topbar #house-select:focus {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
}
.shell-enhanced #topbar #house-select option { color: var(--ink); background: #fff; }
.shell-enhanced #btn-rotate,
.shell-enhanced #btn-help[data-compact],
.shell-enhanced .top-action-menu > summary {
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.06);
}
.shell-enhanced .top-action-menu > summary::after { color: rgba(255, 255, 255, 0.62); }
.shell-enhanced .top-action-menu > summary:hover,
.shell-enhanced .top-action-menu[open] > summary,
.shell-enhanced #btn-rotate:hover,
.shell-enhanced #btn-help[data-compact]:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.13);
}

.shell-enhanced #toolbar > button,
.shell-enhanced #toolbar .tool-group > summary { color: rgba(255, 255, 255, 0.76); }
.shell-enhanced #toolbar > button:hover,
.shell-enhanced #toolbar .tool-group > summary:hover,
.shell-enhanced #toolbar .tool-group[open] > summary {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}
.shell-enhanced #toolbar .tool-group > summary::before { background: rgba(255, 255, 255, 0.55); }

#panel-body,
.toggles,
.modal-card,
#report-body { font-size: 14px; }
#panel-body .hint { font-size: 13.5px; }
#panel-body .field,
.toggles label,
.toggles select,
.toggles input[type="number"],
.opt-group > summary,
.small-note,
.item-btn span { font-size: 13px; }
.diagnostic-code,
.diagnostic-path { font-size: 11.5px; }
#save-state { color: rgba(255, 255, 255, 0.68); }

/* Einklappbare Seitenmenüs. Der Pfeil bleibt als kompakter Anfasser sichtbar. */
#panel,
#floor-panel {
  transition: width 180ms ease, height 180ms ease, max-height 180ms ease, padding 180ms ease;
}
.side-panel-toggle {
  position: absolute;
  top: 9px;
  right: 9px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  box-shadow: 0 3px 10px rgba(18, 31, 24, 0.08);
  font: 800 22px/1 "Segoe UI Symbol", system-ui, sans-serif;
  cursor: pointer;
  z-index: 5;
}
.side-panel-toggle:hover,
.side-panel-toggle:focus-visible {
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-color: rgba(216, 102, 63, 0.45);
}
#panel-title { padding-right: 54px; }
#floor-panel:not(.is-collapsed) > .panel-head { padding-right: 52px; }
#panel.is-collapsed > :not(.side-panel-toggle),
#floor-panel.is-collapsed > :not(.side-panel-toggle) { display: none !important; }
#panel.is-collapsed,
#floor-panel.is-collapsed,
.shell-enhanced #panel.is-collapsed,
.shell-enhanced #floor-panel.is-collapsed {
  width: 42px;
  height: 42px;
  min-height: 42px;
  max-height: 42px;
  padding: 0;
  overflow: hidden;
}
#panel.is-collapsed > .side-panel-toggle,
#floor-panel.is-collapsed > .side-panel-toggle {
  top: 4px;
  right: 4px;
}

/* Veröffentlichung: Sprache, Feedback und ein reservierter Werbeplatz. */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

#language-control {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
}
#language-select {
  width: 58px;
  height: 36px;
  padding: 0 24px 0 9px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 9px;
  font-size: 12px;
  font-weight: 760;
  cursor: pointer;
}
#language-select:hover,
#language-select:focus {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.25);
}
#language-select option { color: var(--ink); background: #fff; }

.shell-enhanced #topbar #btn-feedback {
  gap: 6px;
  color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.06);
}
.shell-enhanced #topbar #btn-feedback:disabled {
  opacity: 0.72;
  cursor: not-allowed;
}
.shell-enhanced #topbar #btn-feedback:disabled:hover {
  color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.06);
  border-color: transparent;
}

#ad-banner-slot:not([hidden]) {
  position: fixed;
  left: 50%;
  bottom: 12px;
  width: min(360px, calc(100vw - 560px));
  min-width: 280px;
  min-height: 50px;
  z-index: 12;
  overflow: hidden;
  background: rgba(255, 255, 252, 0.94);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-panel);
  transform: translateX(-50%);
}

/* Direkte Werkzeugwahl: kompakt im Ruhezustand, beschriftet bei Hover/Fokus. */
.shell-enhanced #toolbar {
  width: 50px;
  max-height: calc(100vh - 20px);
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: none;
  transition: width 170ms ease, box-shadow 170ms ease;
  z-index: 110;
}
.shell-enhanced #toolbar::-webkit-scrollbar { display: none; }
.shell-enhanced #toolbar:hover,
.shell-enhanced #toolbar:focus-within {
  width: 224px;
  box-shadow: 0 22px 58px rgba(6, 14, 10, 0.34), inset 0 1px rgba(255, 255, 255, 0.05);
}
.shell-enhanced #toolbar > button {
  flex: 0 0 auto;
  width: 38px;
  height: 36px;
  min-height: 36px;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  place-items: center start;
  gap: 9px;
  padding: 4px 5px;
  overflow: hidden;
  transition: width 170ms ease, color 140ms ease, background-color 140ms ease, box-shadow 140ms ease;
}
.shell-enhanced #toolbar:hover > button,
.shell-enhanced #toolbar:focus-within > button { width: 212px; }
.shell-enhanced #toolbar > button svg {
  grid-column: 1;
  justify-self: center;
  width: 20px;
  height: 20px;
}
.shell-enhanced #toolbar > button[data-tip]::after { display: none; }
.shell-enhanced #toolbar > button .tool-caption {
  grid-column: 2;
  width: 164px;
  opacity: 0;
  color: inherit;
  font: 650 12.5px/1.2 "Aptos", "Segoe UI", sans-serif;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
  transform: translateX(-5px);
  transition: opacity 110ms ease, transform 170ms ease;
}
.shell-enhanced #toolbar:hover > button .tool-caption,
.shell-enhanced #toolbar:focus-within > button .tool-caption {
  opacity: 1;
  transform: translateX(0);
}
.tool-section-separator {
  flex: 0 0 auto;
  width: 30px;
  height: 1px;
  margin: 2px 4px;
  background: rgba(255, 255, 255, 0.13);
  transition: width 170ms ease;
}
.shell-enhanced #toolbar:hover .tool-section-separator,
.shell-enhanced #toolbar:focus-within .tool-section-separator { width: 202px; }

@media (max-width: 920px) {
  .feedback-label { display: none; }
  #ad-banner-slot:not([hidden]) { display: none; }
}