/* index.css - Überarbeitete Version */

/* Set black background for the entire page */
html, body {
  background-color: #000000;
  margin: 0;
  padding: 0;
}

/* Font Awesome Icons - Force correct display for all elements */
.fas, .far, .fab, .fal, .fad {
  font-family: "Font Awesome 6 Free" !important;
  font-style: normal !important;
  font-variant: normal !important;
  text-rendering: auto !important;
  line-height: 1 !important;
  -webkit-font-smoothing: antialiased !important;
  -moz-osx-font-smoothing: grayscale !important;
  display: inline-block !important;
  speak: none !important;
}

.fas {
  font-weight: 900 !important;
}

.far {
  font-weight: 400 !important;
}

.fab {
  font-family: "Font Awesome 6 Brands" !important;
  font-weight: 400 !important;
}

/* Force Font Awesome for buttons AND labels */
button .fas, button .far, button .fab,
label .fas, label .far, label .fab {
  font-family: "Font Awesome 6 Free" !important;
  font-weight: 900 !important;
  font-style: normal !important;
  display: inline-block !important;
  text-rendering: auto !important;
}

/* Override any conflicting styles from Tailwind or other CSS */
button i[class*="fa"], label i[class*="fa"], 
div i[class*="fa"], span i[class*="fa"] {
  font-family: "Font Awesome 6 Free" !important;
  font-weight: 900 !important;
  font-style: normal !important;
  font-variant: normal !important;
  text-transform: none !important;
  line-height: 1 !important;
  vertical-align: baseline !important;
  width: auto !important;
  height: auto !important;
}

/* Nuclear option - force all Font Awesome classes */
i.fas, i.far, i.fab, i.fal, i.fad,
.fas::before, .far::before, .fab::before, .fal::before, .fad::before {
  font-family: "Font Awesome 6 Free" !important;
  font-weight: 900 !important;
  font-style: normal !important;
  text-rendering: auto !important;
  -webkit-font-smoothing: antialiased !important;
  -moz-osx-font-smoothing: grayscale !important;
}

/* Custom Tooltips - Schnell und groß */
.custom-tooltip {
  position: relative;
  cursor: help;
}

.custom-tooltip::after {
  content: attr(data-tooltip-text);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #1e293b;
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.1s ease;
  margin-bottom: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  pointer-events: none;
  max-width: 350px;
  white-space: normal;
  text-align: center;
  line-height: 1.4;
  border: 1px solid #334155;
}

/* Arrow for custom tooltip */
.custom-tooltip::before {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 7px solid transparent;
  border-top-color: #1e293b;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.1s ease;
  margin-bottom: 1px;
}

.custom-tooltip:hover::after,
.custom-tooltip:hover::before {
  opacity: 1;
  visibility: visible;
}


/* CSS Variablen für einfache Farbanpassung - Modernes Design */
:root {
  --primary-color: #1e293b; /* Dunkles Slate */
  --primary-hover: #334155;
  --secondary-color: #0ea5e9; /* Sky Blue */
  --secondary-hover: #0284c7;
  --accent-color: #f59e0b; /* Amber */
  --accent-hover: #d97706;
  --danger-color: #ef4444; /* Red */
  --danger-hover: #dc2626;
  --success-color: #10b981; /* Emerald */
  --success-hover: #059669;
  --info-color: #6366f1; /* Indigo */
  --info-hover: #4f46e5;
  --light-text: #ffffff;
  --dark-text: #1f2937;
  --muted-text: #6b7280;
  --panel-bg: rgba(255, 255, 255, 0.95); /* Glassmorphism Effekt */
  --panel-border: rgba(229, 231, 235, 0.8);
  --border-color: #e5e7eb;
  --input-bg: #ffffff;
  --input-focus-border: var(--secondary-color);
  --input-focus-shadow: rgba(14, 165, 233, 0.25);
  --base-font-size: 14px;
  --border-radius: 8px; /* Größere Rundungen für moderneres Design */
  --border-radius-sm: 6px;
  --border-radius-lg: 12px;
  --box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --box-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition-speed: 0.15s;
  --backdrop-blur: blur(8px);
}

/* --- Basic Styles --- */
body {
  margin: 0;
  overflow: hidden;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  font-size: var(--base-font-size);
  font-weight: 400;
  color: var(--dark-text);
  /* background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%); */ /* Removed default grey background */
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


#canvasContainer {
  width: 100vw;
  height: 100vh;
  display: block;
}

/* --- Base Button Style - Modernes Design --- */
button {
  /* Reset & Grundlegendes */
  border: none;
  margin: 0;
  padding: 10px 16px;
  cursor: pointer;
  font-size: var(--base-font-size);
  font-weight: 500;
  font-family: inherit;
  border-radius: var(--border-radius);
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--box-shadow);
  text-align: center;
  vertical-align: middle;
  line-height: 1.5;
  position: relative;
  overflow: hidden;
  
  /* Standard Farben (Primär) */
  background-color: var(--primary-color);
  color: var(--light-text);
  
  /* Moderne Effekte */
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid rgba(255, 255, 255, 0.1);
  
  /* Flexbox für bessere Icon-Positionierung */
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px; /* Mindesthöhe für Konsistenz */
}

/* Icon-spezifische Styling in Buttons */
button i[class*="fa"] {
  flex-shrink: 0; /* Icon behält immer seine Größe */
  min-width: 16px; /* Mindestbreite für Icons */
  text-align: center;
  line-height: 1;
}

/* Label-Buttons (wie "Datei auswählen") */
label.inline-block {
  display: flex !important;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
}

label.inline-block i[class*="fa"] {
  flex-shrink: 0;
  min-width: 16px;
  text-align: center;
  line-height: 1;
}

button:hover {
  background-color: var(--primary-hover);
  box-shadow: var(--box-shadow-md);
  transform: translateY(-1px) scale(1.02);
  border-color: rgba(255, 255, 255, 0.2);
}
button:active {
  background-color: var(--primary-color);
  transform: translateY(0) scale(0.98);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}
button:disabled,
button[disabled] {
  background-color: var(--muted-text);
  color: var(--light-text);
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
  transform: none;
  border-color: transparent;
}

/* --- Controls Panel (#controls) - Glassmorphism Design --- */
#controls {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--panel-bg);
  backdrop-filter: var(--backdrop-blur);
  padding: 20px;
  border-radius: var(--border-radius-lg);
  z-index: 10;
  max-width: 280px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: var(--box-shadow-lg);
  border: 1px solid var(--panel-border);
  
  /* Moderne Scrollbar */
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

#controls::-webkit-scrollbar {
  width: 6px;
}

#controls::-webkit-scrollbar-track {
  background: transparent;
}

#controls::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 3px;
}

#controls::-webkit-scrollbar-thumb:hover {
  background-color: var(--muted-text);
}

/* Abschnitte innerhalb der Panels - Moderne Trennung */
.control-section {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  position: relative;
}

.control-section:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.control-section::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border-color) 50%, transparent 100%);
}

/* Labels in Panels - Moderne Typografie */
.control-section > label:first-child,
label[for="imageLoader"] {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-size: 0.95em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

.control-section > label:first-child::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 20px;
    height: 2px;
    background: var(--secondary-color);
    border-radius: 1px;
}

/* Kleinere Hinweise */
.control-section p {
  font-size: 0.8em;
  color: #6c757d; /* Grauton */
  margin-top: -2px;
  margin-bottom: 8px;
  line-height: 1.4;
}

/* Buttons in #controls (werden standardmäßig volle Breite) */
#controls button {
    margin-bottom: 8px;
    width: 100%; /* Standardmäßig volle Breite im Control Panel */
}

#controls .control-section button {
    width: 100%; /* Sicherstellen */
}

/* Ausnahmen für nebeneinander liegende Buttons */
#addCubeBtn, #addCylinderBtn, #addPolygonBtn, #externalModelBtn, #generate3DModelBtn, #libraryBtn,
#exportGlbBtn, #screenshotBtn, .view-buttons button {
    width: auto; /* Automatische Breite */
    display: flex; /* Flexbox für Icon-Alignment beibehalten */
    margin-right: 6px; /* Abstand */
    margin-bottom: 6px; /* Weniger Abstand unten */
    min-width: auto; /* Keine Mindestbreite erzwingen */
    padding: 8px 12px; /* Etwas kleineres aber ausreichendes Padding */
    flex-direction: column; /* Icon oben, Text unten für Grid-Buttons */
    gap: 4px; /* Kleinerer Gap für kompakte Buttons */
    text-align: center;
    min-height: 60px; /* Konsistente Höhe für Grid-Buttons */
}

/* Spezielle Behandlung für Grid-Button Icons */
#addCubeBtn i, #addCylinderBtn i, #addPolygonBtn i, 
#externalModelBtn i, #generate3DModelBtn i, #libraryBtn i,
#exportGlbBtn i, #screenshotBtn i {
    font-size: 18px; /* Größere Icons für Grid-Buttons */
    margin-bottom: 2px;
}

/* Text in Grid-Buttons */
#addCubeBtn span, #addCylinderBtn span, #addPolygonBtn span,
#externalModelBtn span, #generate3DModelBtn span, #libraryBtn span,
#exportGlbBtn span, #screenshotBtn span {
    font-size: 12px; /* Kleinerer Text */
    line-height: 1.2;
    text-align: center;
}

.view-buttons button {
    min-width: 55px; /* Für Ansicht-Buttons beibehalten */
}

#libraryBtn, #generate3DModelBtn, #externalModelBtn {
    background-color: var(--info-color);
}

/* Spezielle Buttons */
#setScaleBtn {
   background-color: var(--accent-color);
   background-image: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
   width: 100%;
}
#setScaleBtn:hover {
   background-color: var(--accent-hover);
   transform: translateY(-2px) scale(1.02);
   box-shadow: var(--box-shadow-lg);
}

/* Spezifische Button-Stile für verschiedene Aktionen */
#saveSceneBtn {
    background-color: var(--success-color);
    background-image: linear-gradient(135deg, var(--success-color) 0%, var(--success-hover) 100%);
}
#saveSceneBtn:hover { 
    background-color: var(--success-hover);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--box-shadow-lg);
}

#loadSceneBtn {
    background-color: var(--info-color);
    background-image: linear-gradient(135deg, var(--info-color) 0%, var(--info-hover) 100%);
}
#loadSceneBtn:hover { 
    background-color: var(--info-hover);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--box-shadow-lg);
}

#clearAllBtn {
    background-color: var(--danger-color);
    background-image: linear-gradient(135deg, var(--danger-color) 0%, var(--danger-hover) 100%);
}
#clearAllBtn:hover { 
    background-color: var(--danger-hover);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--box-shadow-lg);
}

#exportGlbBtn, #screenshotBtn {
    background-color: var(--secondary-color);
    background-image: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-hover) 100%);
}
#exportGlbBtn:hover, #screenshotBtn:hover {
    background-color: var(--secondary-hover);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--box-shadow-lg);
}


#loadSceneInput { display: none; } /* Verstecktes Input */

#shareUrlDisplay {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    display: none;
    z-index: 1000;
    max-width: 80%;
    word-break: break-all;
    text-align: center;
}

/* --- Input Fields - Modernes Design --- */
input[type="file"],
input[type="number"],
input[type="text"],
input[type="color"],
input[type="range"] {
  width: 100%;
  margin-bottom: 12px;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-sizing: border-box;
  background-color: var(--input-bg);
  font-size: var(--base-font-size);
  font-family: inherit;
  color: var(--dark-text);
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}
input[type="file"] {
    padding: 5px; /* Weniger Padding für File Input */
    background-color: #f8f9fa;
}
input[type="color"] {
  height: 40px;
  padding: 4px;
  cursor: pointer;
  border-radius: var(--border-radius);
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: linear-gradient(to right, var(--border-color) 0%, var(--secondary-color) 100%);
  border-radius: 3px;
  margin: 8px 0;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  height: 18px;
  width: 18px;
  border-radius: 50%;
  background: var(--secondary-color);
  cursor: pointer;
  box-shadow: var(--box-shadow);
  transition: all var(--transition-speed) ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  background: var(--secondary-hover);
  transform: scale(1.1);
  box-shadow: var(--box-shadow-md);
}

input[type="range"]::-moz-range-thumb {
  height: 18px;
  width: 18px;
  border-radius: 50%;
  background: var(--secondary-color);
  cursor: pointer;
  border: none;
  box-shadow: var(--box-shadow);
}
input:focus,
input[type="number"]:focus,
input[type="text"]:focus,
input[type="color"]:focus,
input[type="range"]:focus {
  border-color: var(--input-focus-border);
  outline: none;
  box-shadow: 0 0 0 3px var(--input-focus-shadow), inset 0 1px 3px rgba(0, 0, 0, 0.05);
  background-color: #fefefe;
  transform: translateY(-1px);
}

/* --- Side Menu (#sideMenu) - Modernes Glassmorphism Design --- */
#sideMenu {
  position: fixed;
  right: 0;
  top: 0;
  width: 320px;
  height: 100%;
  background: var(--panel-bg);
  backdrop-filter: var(--backdrop-blur);
  border-left: 1px solid var(--panel-border);
  padding: 24px;
  box-sizing: border-box;
  z-index: 50;
  display: none;
  overflow-y: auto;
  box-shadow: -8px 0 25px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateX(100%);
  
  /* Moderne Scrollbar */
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

#sideMenu::-webkit-scrollbar {
  width: 6px;
}

#sideMenu::-webkit-scrollbar-track {
  background: transparent;
}

#sideMenu::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 3px;
}

#sideMenu::-webkit-scrollbar-thumb:hover {
  background-color: var(--muted-text);
}

#sideMenu.visible {
  display: block;
  transform: translateX(0);
}

#sideMenu h3 {
  margin-top: 0;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border-color);
  color: var(--primary-color);
  font-size: 1.25em;
  font-weight: 700;
  position: relative;
}

#sideMenu h3::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
  border-radius: 1px;
}

#sideMenu label {
  display: block;
  margin-top: 12px;
  margin-bottom: 4px;
  font-weight: 600;
  font-size: 0.9em;
  color: var(--primary-color);
}

#closeMenuBtn {
  position: absolute;
  top: 10px;
  right: 15px;
  background: none !important;
  border: none;
  font-size: 2.2em;
  cursor: pointer;
  color: #adb5bd;
  padding: 0;
  line-height: 1;
  transition: color var(--transition-speed) ease;
}
#closeMenuBtn:hover {
  color: var(--secondary-color);
  background-color: transparent !important;
}

/* Transform Buttons im Side Menu */
.transform-modes {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--border-color);
  display: none; /* Initial versteckt */
}
.transform-modes label {
  display: block;
  margin-bottom: 8px;
}
.transform-modes button {
  display: inline-block;
  width: auto;
  padding: 6px 12px;
  margin-right: 6px;
  margin-bottom: 6px;
  background-color: #6c757d; /* Neutrales Grau für inaktive */
}
.transform-modes button:hover {
   background-color: #5a6268;
}
/* Aktiver Transform Button (braucht ggf. JS, um 'active' Klasse hinzuzufügen, oder nutzt den bestehenden Style-Ansatz) */
.transform-modes button.active, /* Falls du eine 'active' Klasse hinzufügst */
.transform-modes button[style*="bold"] /* Bestehender Ansatz */
{
  background-color: var(--secondary-color);
  color: var(--light-text);
  font-weight: bold; /* Beibehalten */
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15);
}
.transform-modes button[style*="bold"]:hover {
    background-color: var(--secondary-color-darker);
}


/* Dimension Inputs (versteckt bis benötigt) */
.primitive-dimension-control { display: none; }
#heightControl { /* Immer sichtbar? */ }

/* Buttons im Side Menu */
#sideMenu button {
    width: 100%; /* Standardmäßig volle Breite */
    margin-bottom: 8px;
}

#deleteObjectBtn { /* Löschen */
  background-color: var(--danger-color);
  margin-top: 15px; /* Mehr Abstand nach oben */
}
#deleteObjectBtn:hover { 
  background-color: var(--danger-hover); 
  color: var(--light-text);
}

#copyObjectBtn { /* Kopieren */
  background-color: var(--info-color);
  margin-top: 5px;
}
#copyObjectBtn:hover { 
  background-color: var(--info-hover); 
  color: var(--light-text);
}

#pasteObjectBtn { /* Einfügen */
  background-color: var(--info-color);
}
#pasteObjectBtn:hover { 
  background-color: var(--info-hover); 
  color: var(--light-text);
}

#updateLabelBtn { /* Text anwenden */
    background-color: var(--success-color);
    margin-top: 10px;
}
#updateLabelBtn:hover { 
    background-color: var(--success-hover); 
    color: var(--light-text);
}


.label-controls label {
  display: block;
  margin-top: 10px;
  margin-bottom: 5px;
}
.label-controls button { /* Kleine Pfeilbuttons */
  display: inline-block;
  margin-right: 5px;
  padding: 4px 8px;
  min-width: 45px;
  text-align: center;
  width: auto; /* Nicht volle Breite */
  background-color: #6c757d; /* Neutral */
}
.label-controls button:hover { background-color: #5a6268; }


/* --- Logo --- */
#logoImage {
  position: fixed;
  top: 15px;
  right: 15px;
  max-width: 180px;
  max-height: 70px;
  width: auto;
  height: auto;
  z-index: 5;
  opacity: 0.9;
}

/* --- Popups (Info, Library, Scale) - Moderne Glassmorphism --- */
.popup-overlay {
  display: none;
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 99;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.popup-overlay.visible { 
  display: flex;
  opacity: 1;
}

.popup-content {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: var(--backdrop-blur);
  padding: 32px;
  border: 1px solid var(--panel-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-lg);
  position: relative;
  width: 90%;
  color: var(--dark-text);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.popup-overlay.visible .popup-content {
  transform: scale(1);
}
#infoPopup .popup-content { max-width: 480px; }
#externalModelPopup .popup-content { max-width: 480px; }
#libraryPopup .popup-content { max-width: 650px; max-height: 85vh; overflow-y: auto; }
#scalePopup .popup-content { max-width: 320px; }

/* Popup Titel */
.popup-content h4 {
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.3em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

/* Popup Schließen Buttons */
#closePopupBtn, #closeLibraryPopupBtn, #closeExternalModelPopupBtn, #closeScalePopupBtn {
  position: absolute;
  top: 10px;
  right: 15px;
  background: none !important;
  border: none;
  font-size: 2.2em;
  cursor: pointer;
  color: #adb5bd; /* Helleres Grau */
  padding: 0;
  line-height: 1;
  transition: color var(--transition-speed) ease;
}
#closePopupBtn:hover, #closeLibraryPopupBtn:hover, #closeExternalModelPopupBtn:hover, #closeScalePopupBtn:hover {
    color: var(--secondary-color);
    background-color: transparent !important;
}

/* Scale Popup spezifisch */
#scalePopup label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--primary-color);
}
#scalePopup input[type="number"] { margin-bottom: 20px; }
#scalePopup button#submitScaleBtn { /* OK Button */
  display: block;
  width: 100%;
  padding: 10px 15px;
  background-color: var(--secondary-color);
  color: var(--light-text);
}
#scalePopup button#submitScaleBtn:hover { background-color: var(--secondary-color-darker); }

#qrPopup .popup-content {
  max-width: 350px;
  text-align: center;
}

#closeQrPopupBtn {
  position: absolute;
  top: 10px;
  right: 15px;
  background: none;
  border: none;
  font-size: 2.2em;
  color: #adb5bd;
  cursor: pointer;
  transition: color 0.2s ease;
}
#closeQrPopupBtn:hover {
  color: var(--secondary-color);
}


/* --- Library Grid --- */
#libraryGrid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 20px;
    margin-top: 15px;
}
.library-item {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 10px;
    text-align: center;
    background-color: #f8f9fa; /* Heller Hintergrund */
    cursor: pointer;
    transition: background-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}
.library-item:hover {
    background-color: #e9ecef; /* Etwas dunkler */
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.library-item img {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 3px;
    margin-bottom: 8px;
    background-color: #dee2e6; /* Platzhalterfarbe */
    border: 1px solid #ced4da;
}
.library-item p {
    margin: 5px 0 0 0;
    font-size: 0.9em;
    color: var(--dark-text);
    word-wrap: break-word;
}

/* --- Loading & Status Messages - Modernes Design --- */
#loadingIndicator, #statusMessage {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(30, 41, 59, 0.95);
  backdrop-filter: var(--backdrop-blur);
  color: var(--light-text);
  padding: 24px 40px;
  border-radius: var(--border-radius-lg);
  z-index: 110;
  display: none;
  text-align: center;
  font-size: 1em;
  font-weight: 500;
  box-shadow: var(--box-shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  min-width: 200px;
}
#statusMessage {
  z-index: 111;
  background: rgba(16, 185, 129, 0.95);
}
#statusMessage.error {
  background: rgba(239, 68, 68, 0.95);
}
#statusMessage.warning {
  background: rgba(245, 158, 11, 0.95);
  color: var(--dark-text);
}

/* --- Button Positioning (Unten) --- */
#bottomCenterButtons {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 15;
  display: flex;
  gap: 15px; /* Mehr Abstand */
  align-items: center;
}



/* Info Button (Unten Rechts) - Modernes Floating Action Button */
#infoBtn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  left: auto !important;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-hover) 100%);
  color: var(--light-text);
  border: none;
  border-radius: 50%;
  font-size: 1.4em;
  font-weight: 600;
  text-align: center;
  line-height: 56px;
  cursor: pointer;
  z-index: 15;
  box-shadow: var(--box-shadow-lg);
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
#infoBtn:hover {
    background: linear-gradient(135deg, var(--secondary-hover) 0%, var(--secondary-color) 100%);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.3);
}
#infoBtn:active {
    transform: translateY(0) scale(0.95);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15);
}

/* --- Scale Bar --- */
#scaleBarContainer {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 15;
  background: rgba(255, 255, 255, 0.9);
  padding: 8px 12px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
  border: 1px solid #ddd;
  display: none; /* Initial versteckt */
}
#scaleBar {
  height: 4px;
  background-color: #000;
  border-right: 2px solid #000;
  border-left: 2px solid #000;
  min-width: 32px;
  /* Breite wird per JS gesetzt */
}
#scaleBarLabel {
  font-size: 12px;
  color: #000;
  font-weight: 500;
  white-space: nowrap;
}

/* --- Cursor für Maßstab-Modus --- */
body.setting-scale-mode {
  cursor: crosshair;
}

/* Burger Button sichtbar auf mobilen Geräten */
#mobileMenuToggle {
  display: none;
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 2000;
  background: #333;
  color: white;
  border: none;
  font-size: 24px;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
}

@media only screen and (pointer: coarse) and (max-width: 1024px) {
  #mobileMenuToggle {
    display: block;
  }

  #controls {
    position: fixed;
    top: 50px;
    left: 0;
    right: 0;
    background: white;
    padding: 10px;
    z-index: 1500;
    transform: translateY(-150%);
    transition: transform 0.3s ease-in-out;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }

  #controls.mobile-visible {
    transform: translateY(0);
  }

  /* Hide all controls by default on mobile */
  #controls > * {
    display: none;
  }

  /* Show all controls when mobile menu is visible */
  #controls.mobile-visible > * {
    display: block !important;
  }

  /* Adjust spacing for mobile */
  #controls .control-section {
    margin-bottom: 15px;
  }

  #controls button {
    margin-bottom: 8px;
  }
}

/* 3D Model Generation Popup Styles */
#generate3DModelPopup .popup-content {
    max-width: 480px; /* Same as library popup */
    background-color: var(--light-text);
    padding: 30px;
    border: none;
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    position: relative;
    width: 90%;
    color: var(--dark-text);
}

#closeGenerate3DModelBtn {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none !important;
    border: none;
    font-size: 2.2em;
    cursor: pointer;
    color: #adb5bd;
    padding: 0;
    line-height: 1;
    transition: color var(--transition-speed) ease;
}

#closeGenerate3DModelBtn:hover {
    color: var(--secondary-color);
    background-color: transparent !important;
}

#generate3DModelGrid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 20px;
    margin-top: 15px;
}

#generate3DModelGrid .library-item {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 10px;
    text-align: center;
    background-color: #f8f9fa;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

#generate3DModelGrid .library-item:hover {
    background-color: #e9ecef;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#generate3DModelGrid .upload-btn {
    width: 100%;
    height: 100px;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    background: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    padding: 0;
    overflow: hidden;
}

#generate3DModelGrid .upload-btn:hover {
    border-color: var(--secondary-color);
    background-color: rgba(239, 124, 0, 0.05);
}

#generate3DModelGrid .upload-btn img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

#generate3DModelGrid .upload-btn .upload-icon {
    width: 40px;
    height: 40px;
    opacity: 0.5;
}

#generate3DModelGrid .image-label {
    margin: 5px 0 0 0;
    font-size: 0.9em;
    color: var(--dark-text);
    word-wrap: break-word;
}

.size-input-container {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.size-input-container label {
    font-weight: 600;
    color: var(--primary-color);
}

.size-input-container input[type="number"] {
    width: 120px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: center;
}

/* Model Name Input Styles */
.model-name-container {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.model-name-container label {
    font-weight: 600;
    color: var(--primary-color);
}

.model-name-container input[type="text"] {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.95em;
    transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.model-name-container input[type="text"]:focus {
    border-color: var(--input-focus-border);
    outline: none;
    box-shadow: 0 0 0 3px var(--input-focus-shadow);
}

#externalModelPopup {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 50;
    align-items: center;
    justify-content: center;
}

#externalModelPopup.visible {
    display: flex !important;
}

#externalModelPopup .popup-content {
    background-color: white;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    max-width: 32rem;
    width: 90%;
    position: relative;
}

#closeExternalModelPopupBtn {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none !important;
    border: none;
    font-size: 2.2em;
    cursor: pointer;
    color: #adb5bd;
    padding: 0;
    line-height: 1;
    transition: color var(--transition-speed) ease;
}

#closeExternalModelPopupBtn:hover {
    color: var(--secondary-color);
    background-color: transparent !important;
}

#languageChooser {
    position: fixed;
    top: 100px;  /* Increased from 64px to 80px to ensure no overlap */
    right: 4px;
    z-index: 30;  /* Reduced from 40 to 30 */
    display: flex;
    gap: 4px;
    flex-flow: column;
}

#languages-container{
  display: flex;
  justify-content: flex-end;
  gap: 4px;
}

.login-info{
  display: flex; 
  flex-flow: column; 
  align-items: flex-end;
  gap:4px;
  padding: 8px;
}

.language-btn {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    border-radius: 50%;
    transition: transform 0.2s;
}

.language-btn:hover {
    transform: scale(1.1);
}

.language-btn.active {
    box-shadow: 0 0 0 2px var(--primary-color);
}

.language-btn img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

/* Accordion Styling - Subtle Contrast */
.accordion-header {
  background-color: #e5e7eb !important; /* Slightly darker than default gray-100 */
  color: #374151 !important; /* Dark gray text */
  font-weight: 600 !important;
  transition: all var(--transition-speed) ease !important;
  border: 1px solid #d1d5db !important;
}

.accordion-header:hover {
  background-color: #d1d5db !important; /* One shade darker on hover */
  color: #1f2937 !important; /* Darker text on hover */
  transform: translateY(-1px) !important;
  box-shadow: var(--box-shadow-md) !important;
  border-color: #9ca3af !important;
}

.accordion-header .accordion-icon {
  color: #374151 !important;
  transition: transform var(--transition-speed) ease !important;
}

.accordion-content.hidden {
  display: none !important;
}

.accordion-content {
  display: block !important;
  animation: slideDown 0.3s ease-out !important;
}

@keyframes slideDown {
  from {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
  }
  to {
    opacity: 1;
    max-height: 500px;
    overflow: visible;
  }
}

/* Brightness Slider - White Thumb with Blue Gradient */
#brightnessSlider {
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: linear-gradient(to right, #1e40af 0%, #3b82f6 50%, #ffffff 100%);
  border-radius: 3px;
  margin: 8px 0;
}

#brightnessSlider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  height: 20px;
  width: 20px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #d1d5db;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: all var(--transition-speed) ease;
}

#brightnessSlider::-webkit-slider-thumb:hover {
  background: #ffffff;
  border-color: var(--secondary-color);
  transform: scale(1.1);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

#brightnessSlider::-moz-range-thumb {
  height: 20px;
  width: 20px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #d1d5db;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

#authView{
  display: flex; 
  height: 100vh; 
  width: 100vw; 
  justify-content: center; 
  align-items: center;
  z-index: 2000;
}

.login-form{
  padding: 2rem;
  min-width: 35rem;
  display: flex; 
  flex-flow: column; 
  align-items: center;

  h1 {
    font-weight: 900; 
    font-size: 2rem;
    padding-bottom: 2rem;
  }

  form {
    display: flex;
    flex-flow: column;
    gap: 4px;
    align-items: flex-end;
    padding-bottom: 1rem;
  }

  input{
    border: 1px solid black;
    min-width: 20rem;
    padding: 0 4px;
  }

  #status{
    color: rgba(0,0,0,0.6);
  }



}