/* General */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--background-color);
  color: var(--text-color);
}

header {
  background-color: var(--header-background);
  color: var(--header-text);
  padding: 20px 10px;
  text-align: center;
  position: relative;
}

h1 {
  margin: 0;
}

.section {
  background-color: var(--section-background);
  margin: 20px 10px;
  padding: 15px;
  border-radius: 5px;
}

.section h2 {
  margin-top: 0;
  color: var(--section-title);
}

.form-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 10px;
}
.form-group label {
  flex: 1 0 150px;
  margin-right: 10px;
}
.form-group input,
.form-group select,
.form-group textarea {
  flex: 1 0 200px;
  padding: 5px;
  background-color: var(--input-background);
  color: var(--text-color);
  border: 1px solid var(--input-border);
  border-radius: 3px;
}
.form-group textarea {
  resize: vertical;
  min-height: 60px;
}

.button {
  padding: 10px 15px;
  margin: 5px 0;
  background-color: var(--button-background);
  color: var(--button-text);
  border: none;
  border-radius: 3px;
  cursor: pointer;
}
.button:hover {
  background-color: var(--button-hover);
}
.button.primary {
  background-color: var(--button-primary);
}
.button.primary:hover {
  background-color: var(--button-primary-hover);
}
.button.icon-button {
  position: absolute;
  right: 10px;
  top: 20px;
  background: none;
  border: none;
  color: var(--header-text);
  font-size: 1.2em;
}
.button.icon-button:hover {
  color: var(--button-hover);
}

/* Tables */
#sheets-table,
#parts-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 10px;
}
#sheets-table th,
#sheets-table td,
#parts-table th,
#parts-table td {
  border: 1px solid var(--table-border);
  padding: 8px;
  text-align: center;
}
#sheets-table th,
#parts-table th {
  background-color: var(--table-header);
}

/* Import/Paste */
.import-section {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 15px;
}
.import-section input[type="file"] {
  display: none;
}
.file-input-label {
  margin-right: 10px;
  cursor: pointer;
}
textarea {
  flex: 1 0 100%;
  padding: 10px;
  margin-top: 10px;
  margin-bottom: 10px;
  resize: vertical;
  min-height: 60px;
  background-color: var(--input-background);
  color: var(--text-color);
  border: 1px solid var(--input-border);
  border-radius: 3px;
}

/* Canvas Container */
#cutting-canvas-container {
  overflow: auto;
  border: 1px solid var(--canvas-border);
  padding: 10px;
  background-color: var(--canvas-background);
}
#cutting-canvas-container div {
  margin-bottom: 20px;
}

/* Modal */
.modal {
  display: none; 
  position: fixed; 
  z-index: 1000; 
  left: 0; 
  top: 0; 
  width: 100%; 
  height: 100%; 
  overflow: auto; 
  background-color: rgba(0,0,0,0.5); 
}
.modal-content {
  background-color: var(--section-background);
  margin: 10% auto; 
  padding: 20px;
  border: 1px solid var(--input-border);
  width: 80%; 
  max-width: 600px;
  border-radius: 5px;
  position: relative;
}
.close-button {
  color: var(--text-color);
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
}
.close-button:hover {
  color: var(--button-hover);
}

/* Cost Results */
.cost-results ul {
  list-style-type: none;
  padding: 0;
  margin-top: 15px;
}
.cost-results li {
  margin-bottom: 8px;
  font-size: 1em;
}
.modal .button {
  margin-top: 20px;
}

/* Visualization Tools */
#visualization-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 15px;
}
#visualization-tools .button {
  margin-right: 10px;
}
#text-size-slider {
  margin-left: 10px;
  width: 100px;
}

/* Dark Mode Variables */
:root {
  --background-color: #f0f0f0;
  --text-color: #333;
  --header-background: #2c3e50;
  --header-text: #fff;
  --section-background: #fff;
  --section-title: #34495e;
  --input-background: #fff;
  --input-border: #ccc;
  --button-background: #2980b9;
  --button-hover: #1f5a7a;
  --button-text: #fff;
  --button-primary: #27ae60;
  --button-primary-hover: #1e8449;
  --table-border: #ddd;
  --table-header: #ecf0f1;
  --canvas-background: #fff;
  --canvas-border: #ccc;
}

body.dark-mode {
  --background-color: #1e1e1e;
  --text-color: #f5f5f5;
  --header-background: #121212;
  --header-text: #f5f5f5;
  --section-background: #2c2c2c;
  --section-title: #e0e0e0;
  --input-background: #3c3c3c;
  --input-border: #555;
  --button-background: #3b82f6;
  --button-hover: #2563eb;
  --button-text: #f5f5f5;
  --button-primary: #10b981;
  --button-primary-hover: #059669;
  --table-border: #555;
  --table-header: #3c3c3c;
  --canvas-background: #1e1e1e;
  --canvas-border: #555;
}

/* Label Container */
#label-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.label-item {
  border: 1px solid var(--table-border);
  padding: 10px;
  width: 200px;
  background-color: var(--section-background);
  color: var(--text-color);
  border-radius: 5px;
  position: relative;
  transition: transform 0.2s ease;
  transform-origin: top left; /* for scaling from top-left corner */
}
.label-item img.logo-preview {
  max-width: 100%;
  max-height: 50px;
  display: block;
  margin-bottom: 5px;
}

/* Print-Only Labels:
   When printing, only the label container is visible. */
@media print {
  body * {
    visibility: hidden;
  }
  #label-container, #label-container * {
    visibility: visible;
  }
  #label-container {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .form-group {
    flex-direction: column;
    align-items: flex-start;
  }
  .file-input-label,
  #import-sheet-paste,
  #import-parts-paste {
    width: 100%;
  }
  textarea {
    width: 100%;
  }
}