/* ==========================================================================
   MEISTERBAUER-BAUANLEITUNG: DESIGN-SYSTEM
   Farben, Badges, Teilebox und kinderfreundliche UI für Schritt-für-Schritt Baupläne
   ========================================================================== */

:root {
  --brand-yellow: #FFD500;
  --brand-yellow-dark: #E6BE00;
  --brand-red: #E3000B;
  --brand-blue: #0055BF;
  --brand-dark: #1E232A;
  --panel-bg: rgba(255, 255, 255, 0.95);
  --panel-border: #D0D7DE;
  --page-bg: #EAEFF5;
  --accent-gold: #D4AF37;
  --text-main: #1C2127;
  --text-muted: #57606A;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--page-bg);
  color: var(--text-main);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   HEADER: MEISTERBAUER ARCHITEKTUR / MINECRAFT
   ========================================================================== */
.builder-header {
  height: 60px;
  background-color: var(--brand-dark);
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  z-index: 100;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.builder-badge {
  background-color: var(--brand-red);
  color: var(--brand-yellow);
  font-weight: 900;
  font-size: 15px;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 4px;
  border: 2px solid white;
  text-shadow: 1px 1px 0 #000;
}

.project-title h1 {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
}

.project-title span {
  font-size: 12px;
  color: var(--brand-yellow);
  font-weight: 500;
}

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

.module-dropdown {
  background: #2D333B;
  color: white;
  border: 1px solid #444C56;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  outline: none;
}

.btn-header {
  background: #373E47;
  color: white;
  border: none;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-header:hover {
  background: #444C56;
  color: var(--brand-yellow);
}

.btn-header.active {
  background: var(--brand-yellow);
  color: var(--brand-dark);
  font-weight: 700;
  box-shadow: 0 0 10px rgba(255, 204, 0, 0.4);
}

/* ==========================================================================
   HAUPTBEREICH: 3D VIEWPORT & FLOATING CARDS
   ========================================================================== */
.main-stage {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#viewport3d {
  width: 100%;
  height: 100%;
  cursor: grab;
}

#viewport3d:active {
  cursor: grabbing;
}

/* TEILEBOX (Oben links) */
.parts-callout-box {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--panel-bg);
  border: 3px solid var(--brand-yellow);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  max-width: 320px;
  backdrop-filter: blur(8px);
  z-index: 50;
  animation: slideInLeft 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.parts-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid #E1E4E8;
  padding-bottom: 6px;
  margin-bottom: 10px;
}

.parts-box-title {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.parts-box-total {
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-red);
}

.parts-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 4px;
}

.part-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #F6F8FA;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid #E1E4E8;
}

.part-preview-wrap {
  width: 38px;
  height: 38px;
  background: white;
  border: 1px solid #D0D7DE;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.part-img {
  width: 32px;
  height: 32px;
  image-rendering: pixelated;
}

.part-details {
  display: flex;
  flex-direction: column;
}

.part-multiplier {
  font-size: 16px;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1.1;
}

.part-name {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
}

/* KAMERA-WERKZEUGE (Oben rechts) */
.camera-toolbar {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 8px;
  background: var(--panel-bg);
  padding: 6px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--panel-border);
  z-index: 50;
}

.btn-tool {
  background: white;
  border: 1px solid #D0D7DE;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
}

.btn-tool:hover {
  background: #F3F4F6;
  border-color: var(--brand-yellow-dark);
}

.btn-tool.active {
  background: var(--brand-yellow);
  border-color: var(--brand-yellow-dark);
  color: var(--brand-dark);
}

/* ==========================================================================
   RECHTE SEITE: BAUSCHRITT-KARTE & FLORENZ-GESCHICHTEN
   ========================================================================== */
.step-info-drawer {
  position: absolute;
  bottom: 100px;
  right: 20px;
  width: 380px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: calc(100vh - 200px);
  overflow-y: auto;
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.step-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Runder Badge für die Schrittnummer */
.step-number-badge {
  width: 48px;
  height: 48px;
  background: var(--brand-yellow);
  border: 3px solid var(--text-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  color: var(--text-main);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
}

.step-card-title h2 {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.step-card-title span {
  font-size: 11px;
  font-weight: 700;
  color: var(--brand-blue);
  text-transform: uppercase;
}

.step-description {
  font-size: 13px;
  line-height: 1.5;
  color: #33383F;
}

/* Info-Boxen: Tipp, Achtung & Geschichte */
.callout-box {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  line-height: 1.4;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.callout-tip {
  background: #FFFBEA;
  border-left: 4px solid var(--brand-yellow-dark);
}

.callout-tip strong {
  color: #7A5B00;
}

.callout-caution {
  background: #FFF5F5;
  border-left: 4px solid var(--brand-red);
}

.callout-caution strong {
  color: var(--brand-red);
}

.callout-fact {
  background: #F0F7FF;
  border-left: 4px solid var(--brand-blue);
}

.callout-fact strong {
  color: var(--brand-blue);
}

/* ==========================================================================
   NAVIGATION BAR (UNTEN)
   ========================================================================== */
.footer-nav {
  height: 80px;
  background: white;
  border-top: 2px solid #E1E4E8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
  z-index: 100;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.05);
}

.nav-btn {
  height: 50px;
  padding: 0 24px;
  border-radius: 25px;
  font-size: 15px;
  font-weight: 800;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.nav-btn:active {
  transform: scale(0.96);
}

.nav-btn-prev {
  background: #E1E4E8;
  color: var(--text-main);
}

.nav-btn-prev:hover:not(:disabled) {
  background: #D0D7DE;
}

.nav-btn-next {
  background: var(--brand-yellow);
  color: var(--brand-dark);
  border: 2px solid var(--brand-yellow-dark);
}

.nav-btn-next:hover:not(:disabled) {
  background: #FFE033;
}

.nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  box-shadow: none;
}

.timeline-center {
  flex: 1;
  max-width: 500px;
  margin: 0 30px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.timeline-info {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
}

.step-slider {
  width: 100%;
  accent-color: var(--brand-yellow-dark);
  height: 8px;
  cursor: pointer;
}

/* ==========================================================================
   STÜCKLISTEN-MODAL (BILL OF MATERIALS)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-window {
  width: 90%;
  max-width: 600px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 85vh;
}

.modal-header {
  padding: 16px 20px;
  background: var(--brand-dark);
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 800;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: white;
  font-size: 22px;
  cursor: pointer;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
}

.bom-table {
  width: 100%;
  border-collapse: collapse;
}

.bom-table th, .bom-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid #E1E4E8;
  font-size: 13px;
}

.bom-table th {
  background: #F6F8FA;
  font-weight: 700;
  color: var(--text-muted);
}

.bom-count {
  font-weight: 800;
  font-size: 15px;
  color: var(--brand-blue);
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ==========================================================================
   V3: STADTANSICHT, STADTPLAN, MODUS-UMSCHALTER, QUELLENANGABE
   ========================================================================== */
.mode-switch {
  display: flex;
  background: #2D333B;
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 2px;
}

.mode-btn {
  background: transparent;
  color: #C9D1D9;
  border: none;
  padding: 5px 12px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.mode-btn.active {
  background: var(--brand-yellow);
  color: var(--brand-dark);
}

.city-only { display: none; }
body.mode-city .city-only { display: flex; }
body.mode-city .steps-only,
body.mode-city #moduleSelect,
body.mode-city #btnToggleBase,
body.mode-city #btnOverview,
body.mode-city #btnBom,
body.mode-city #viewport3d,
body.mode-city .parts-callout-box,
body.mode-city .camera-toolbar,
body.mode-city .step-info-drawer,
body.mode-city .footer-nav { display: none; }

.city-viewport {
  position: absolute;
  inset: 0;
  display: none;
  cursor: grab;
}

body.mode-city .city-viewport { display: block; }
.city-viewport canvas { display: block; }

.city-loading {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  color: var(--brand-dark);
  background: rgba(234, 239, 245, 0.8);
  z-index: 80;
}

body.mode-city .city-loading.show { display: flex; }

.city-map-panel {
  position: absolute;
  left: 20px;
  bottom: 16px;
  width: 360px;
  background: var(--panel-bg);
  border: 3px solid var(--brand-yellow);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 60;
  flex-direction: column;
  overflow: hidden;
}

body.mode-city .city-map-panel.hidden-map { display: none; }
.city-map-panel.expanded { width: min(760px, calc(100% - 40px)); }

.city-map-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  border-bottom: 2px solid #E1E4E8;
}

.city-legend {
  margin-left: auto;
  font-size: 10px;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.city-legend i {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1.5px solid #fff;
  box-shadow: 0 0 0 1px #8b949e;
  margin-left: 6px;
}

.map-expand {
  background: #F3F4F6;
  border: 1px solid #D0D7DE;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  padding: 0 6px;
}

.city-map-wrap {
  position: relative;
  height: 310px;
}

.city-map-panel.expanded .city-map-wrap { height: min(560px, 60vh); }

#cityMapCanvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
}

.map-tooltip {
  position: absolute;
  display: none;
  background: var(--brand-dark);
  color: #fff;
  font-size: 12px;
  line-height: 1.35;
  padding: 5px 9px;
  border-radius: 6px;
  pointer-events: none;
  max-width: 220px;
  z-index: 5;
}

.city-info {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 340px;
  max-height: calc(100% - 40px);
  overflow-y: auto;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-lg);
  z-index: 60;
  flex-direction: column;
  gap: 10px;
}

.city-info h2 { font-size: 17px; font-weight: 800; }
.city-info-meta { font-size: 11px; font-weight: 700; text-transform: uppercase; color: var(--brand-blue); }
.city-info-body { font-size: 13px; line-height: 1.5; color: #33383F; }
.city-info-modules { display: flex; flex-direction: column; gap: 4px; font-size: 12px; }
.city-info-modules div { display: flex; justify-content: space-between; background: #F6F8FA; border: 1px solid #E1E4E8; border-radius: 6px; padding: 4px 8px; }
.city-open-steps { height: 40px; font-size: 14px; justify-content: center; }
.city-open-steps[hidden] { display: none; }
.city-stats { font-size: 11px; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.city-sight { font-size: 11px; font-weight: 700; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.city-sight input { flex: 1; accent-color: var(--brand-yellow-dark); }

.status-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; border: 1.5px solid #fff; box-shadow: 0 0 0 1px #8b949e; }

.attribution-bar {
  height: 22px;
  background: var(--brand-dark);
  color: #AAB3BD;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  z-index: 100;
}

/* Schmale Bildschirme: Kopfzeile scrollt, Stadtplan klein unten, Infokarte als Streifen */
@media (max-width: 820px) {
  .builder-header { height: auto; flex-wrap: wrap; gap: 6px; padding: 6px 10px; }
  .header-controls { flex-wrap: wrap; gap: 6px; width: 100%; }
  .project-title span { display: none; }
  .module-dropdown { max-width: 100%; }
  .attribution-bar { white-space: normal; height: auto; min-height: 22px; text-align: center; font-size: 10px; padding: 2px 8px; }
  .city-map-panel { left: 8px; right: 8px; bottom: 8px; width: auto; }
  .city-map-wrap { height: 190px; }
  .city-map-panel.expanded .city-map-wrap { height: 45vh; }
  .city-legend { display: none; }
  .city-info { top: 8px; right: 8px; left: 8px; width: auto; max-height: 38%; padding: 10px; }
  .parts-callout-box { left: 8px; top: 8px; min-width: 0; max-width: 56%; }
  .camera-toolbar { top: auto; bottom: 8px; right: 8px; flex-wrap: wrap; max-width: 60%; }
  .step-info-drawer { left: 8px; right: 8px; width: auto; bottom: 8px; max-height: 40%; }
  .footer-nav { height: auto; padding: 8px 10px; gap: 8px; }
  .timeline-center { margin: 0 8px; }
  .nav-btn { height: 40px; padding: 0 14px; font-size: 13px; }
}

.brand-section { min-width: 0; flex: 1 1 auto; }
.project-title { min-width: 0; }
.project-title h1, .project-title span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.header-controls { flex-shrink: 0; }

.header-controls { min-width: 0; }
.module-dropdown { max-width: 230px; text-overflow: ellipsis; }
@media (max-width: 1400px) {
  .btn-header { padding: 6px 8px; font-size: 12px; }
  .project-title span { display: none; }
  .module-dropdown { max-width: 170px; }
}