body, html {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  font-size: 10px;
  color: #2D2D2D;
}

header {
  background-color: #2D2D2D;
  color: white;
  padding: 20px;
  text-align: left;
}

h4 {
  margin-top: 5px;
  margin-bottom: 2px;
  color: #2D2D2D;
}

header button {
  margin: 0 10px;
  border: none;
  outline: none;
  padding: 14px 16px;
  cursor: pointer;
  font-size: 10px;
  background-color: #2D2D2D;
  color: white;
  border-radius: 4px;
  transition: background-color 0.3s;
}

header button:hover {
  background-color: #FFD700;
  color: #2D2D2D;
}

.menu {
  overflow: hidden;
  border: 1px solid #2D2D2D;
  background-color: #f9f9f9;
}

.menu button {
  background-color: #2D2D2D;
  color: white;
  float: left;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 14px 16px;
  transition: 0.3s;
  font-size: 10px;
}

.menu button:hover {
  background-color: #FFD700;
  color: #2D2D2D;
}

.menu button.active {
  background-color: #FFD700;
  color: #2D2D2D;
}

.card {
  width: 250px; /* Fixed card width */
  height: 700px;
  padding: 10px;
  box-shadow: 0 4px 8px rgba(45, 45, 45, 0.1);
  margin: 5px;
  font-family: Arial, sans-serif;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between; /* Ensures elements are spaced out and chart container aligns to the bottom */
  background: white;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
}

/* Special double-width layout for the section designer card */
.section-card {
  width: 520px; /* Double width (250px * 2 + margin) */
}

/* Special layout for the section designer card - removed since we're keeping compact layout */

/* Designer header with expand button */
.designer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.btn-expand {
  background: #2D2D2D;
  color: white;
  border: none;
  padding: 8px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 10px;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: background-color 0.3s;
  font-weight: bold;
}

.btn-expand:hover {
  background: #FFD700;
  color: #2D2D2D;
}

/* Modal Styles */
.designer-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.designer-modal-content {
  background: white;
  border-radius: 8px;
  width: 95vw;
  height: 90vh;
  max-width: 1400px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid #eee;
  background: #f8f9fa;
  border-radius: 8px 8px 0 0;
}

.modal-header h2 {
  margin: 0;
  color: #2D2D2D;
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-close {
  background: #2D2D2D;
  color: white;
  border: none;
  padding: 10px;
  border-radius: 50%;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  transition: background-color 0.3s;
}

.btn-close:hover {
  background: #FFD700;
  color: #2D2D2D;
}

.modal-body {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  overflow: hidden;
}

/* Large canvas for modal */
.section-designer-modal-container {
  flex: 1;
  border: 2px solid #305BA1;
  border-radius: 8px;
  background: #fafafa;
  position: relative;
  overflow: hidden;
  min-height: 400px;
}

.section-designer-modal-container svg {
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

.section-designer-modal-container svg.pan-mode {
  cursor: grab;
}

.section-designer-modal-container svg.pan-mode:active {
  cursor: grabbing;
}

/* Modal controls layout */
.modal-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  background: #f8f9fa;
  border-radius: 8px;
  border: 1px solid #dee2e6;
}

.control-group {
  display: flex;
  gap: 15px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary, .btn-secondary, .btn-warning {
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  transition: background-color 0.3s;
  font-weight: bold;
  background: #2D2D2D;
  color: white;
}

.btn-primary:hover, .btn-secondary:hover, .btn-warning:hover {
  background: #FFD700;
  color: #2D2D2D;
}

.btn-primary {
  background: #2D2D2D;
  color: white;
}

.btn-secondary {
  background: #2D2D2D;
  color: white;
}

.btn-warning {
  background: #2D2D2D;
  color: white;
}

.card .title {
  font-size: 12px;
  margin-bottom: 5px;
  color: #2D2D2D;
  font-weight: bold;
}

.card input {
  display: block;
  width: 90%;
  margin-bottom: 5px;
}

.card label {
  font-size: 10px;
  display: block;
  width: 100%;
  margin-bottom: 5px;
  color: #2D2D2D;
  font-weight: bold;
}

.card input {
  padding: 10px;
  margin-top: 5px;
  font-weight: bold;
  font-size: 12px;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  background: #FFD700;
  color: #2D2D2D;
  transition: border-color 0.3s;
}

.card input:focus {
  outline: none;
  border-color: #FFD700;
  box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
}

.steel-chart-container .concrete-chart-container .section-chart-container  {
  width: 100%;
  height: 250px; /* Fixed chart container height */
  margin-top: 5px;
}

.analysis-chart-container-2 {
  margin-top: 5px;
}

.form-group {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

/* Compact input groups for material definitions */
.input-group-compact {
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.input-group-compact label {
  font-size: 10px;
  margin-bottom: 0;
  flex: 1;
  min-width: 0; /* Allow label to shrink */
  color: #2D2D2D;
}

.input-group-compact input {
  padding: 4px 6px;
  margin-top: 0;
  font-weight: normal;
  font-size: 12px;
  width: 80px;
  flex-shrink: 0;
  border: 1px solid #e0e0e0;
  border-radius: 3px;
  background: #FFD700;
  color: #2D2D2D;
}

.input-group-compact input:focus {
  outline: none;
  border-color: #FFD700;
  box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
}

.analysis-chart-container {
  width: 100%;
  height: 150px; /* Fixed chart container height */
  margin-top: 5px;
}

table {
  border-collapse: collapse; /* Optional: for aesthetic purposes */
  width: 100%;
}

.table-header {
  border-bottom: 2px solid #ccc;
}

th {
  border-bottom: #f1f1f1;
  width: 50px;
  padding: 1px;
  text-align: center;
}

td {
  text-align: center;
  padding: 1px; /* Remove padding to make input fit better */
  width: 50px;
}

input.full-width {
  padding: 1px;
  height: 20px;
  border-radius: 5px;
  border: 1px solid #e0e0e0;
  background-color: #FFD700;
  color: #2D2D2D;
  text-align: center;
  box-sizing: border-box; /* Make sure padding and border are included in the width */
  font-weight: bold;
}

.input-primary {
  padding: 1px;
  height: 20px;
  width: 100px !important;
  background-color: #FFD700;
  color: #2D2D2D;
  border: 1px solid #e0e0e0;
  border-radius: 5px;
  text-align: center;
  box-sizing: border-box; /* Make sure padding and border are included in the width */
  font-weight: bold;
}

.btn:hover {
  cursor: pointer;
}

.checked {
  background-color: grey; /* Unchecked state */
  border: 2px solid grey; ;
}
button {
  background-color: #FFDC01; /* Checked state */
  border: 2px solid #FFDC01;
  border-radius: 5px;
  width: 70px;
  cursor: pointer;
}
button:hover{
  border: 2px solid black;
}

/* Interactive Section Designer Styles */
.design-mode-tabs {
  display: flex;
  gap: 5px;
  margin-bottom: 10px;
}

.design-mode-tabs button {
  flex: 1;
  padding: 3px;
  border: 2px solid #e0e0e0;
  background-color: #2D2D2D;
  color: white;
  cursor: pointer;
  border-radius: 5px;
  transition: all 0.3s ease;
  font-weight: bold;
  font-size: 10px;
}

.design-mode-tabs button.active {
  background-color: #FFD700;
  color: #2D2D2D;
  border-color: #FFD700;
}

.design-mode-tabs button:hover {
  border-color: #FFD700;
  background-color: #FFD700;
  color: #2D2D2D;
}

.design-mode-tabs button.active:hover {
  background-color: #FFC000;
}

.mode-instructions {
  background-color: #FFF8DC;
  border: 1px solid #FFD700;
  border-radius: 4px;
  padding: 6px 8px;
  margin-bottom: 6px;
  font-size: 10px;
  color: #2D2D2D;
}

.mode-instructions p {
  margin: 0 0 6px 0;
  line-height: 1.3;
}

.mode-instructions .input-group {
  margin: 4px 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.mode-instructions label {
  font-size: 10px;
  margin-bottom: 0;
  white-space: nowrap;
}

.mode-instructions input {
  width: 70px;
  padding: 4px 6px;
  border: 1px solid #e0e0e0;
  border-radius: 3px;
  background-color: #FFD700;
  color: #2D2D2D;
  font-size: 12px;
}

.section-designer-container {
  width: 100%;
  height: 280px; /* Reduced height to save space */
  border: 2px solid #2D2D2D;
  border-radius: 5px;
  margin: 10px 0;
  background-color: #fafafa;
  position: relative;
  overflow: hidden;
}

.section-designer-container svg {
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

.section-designer-container svg.pan-mode {
  cursor: grab;
}

.section-designer-container svg.pan-mode:active {
  cursor: grabbing;
}

.design-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  padding: 6px 8px;
  background-color: #f9f9f9;
  border-radius: 4px;
  font-size: 10px;
  flex-wrap: wrap;
}

.design-controls .canvas-width-control {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 10px;
  white-space: nowrap;
}

.design-controls .canvas-width-control input {
  width: 65px;
  padding: 3px 5px;
  border: 1px solid #ccc;
  border-radius: 3px;
  font-size: 10px;
  background-color: #FFD700;
  color: #2D2D2D;
}

.design-controls .btn-warning,
.design-controls .btn-secondary {
  padding: 4px 8px;
  font-size: 10px;
  border-radius: 3px;
}

/* Compact grid controls above canvas */
.grid-controls-compact {
  padding: 8px;
  background-color: #FFF8DC;
  border: 1px solid #FFD700;
  border-radius: 4px;
  margin-bottom: 6px;
  font-size: 10px;
}

/* 3x2 Grid layout for controls */
.controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 8px 12px;
  align-items: center;
}

/* Make canvas width control span across 2 columns */
.controls-grid .canvas-width-control {
  grid-column: span 2;
  width: 100%;
  min-width: 200px;
}

.grid-controls-compact .checkbox-label {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 10px;
  white-space: nowrap;
  margin: 0;
}

.grid-controls-compact .checkbox-label input[type="checkbox"] {
  width: auto;
  margin: 0;
  transform: scale(0.8);
}

.grid-controls-compact .grid-size-control {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 10px;
  white-space: nowrap;
}

.grid-controls-compact .grid-size-control input {
  width: 40px;
  padding: 2px 4px;
  border: 1px solid #ccc;
  border-radius: 3px;
  font-size: 10px;
  background-color: #FFD700;
  color: #2D2D2D;
}

.grid-controls-compact .canvas-width-control {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 10px;
  white-space: nowrap;
}

.grid-controls-compact .canvas-width-control input {
  width: 50px;
  padding: 2px 4px;
  border: 1px solid #ccc;
  border-radius: 3px;
  font-size: 10px;
  background-color: #FFD700;
  color: #2D2D2D;
}

.grid-controls-compact .btn-warning,
.grid-controls-compact .btn-secondary {
  padding: 3px 6px;
  font-size: 10px;
  border-radius: 3px;
  border: 1px solid;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 2px;
}

.grid-controls-compact .btn-warning,
.grid-controls-compact .btn-secondary {
  background-color: #2D2D2D;
  color: white;
  border: 1px solid #2D2D2D;
  font-weight: bold;
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 10px;
}

.grid-controls-compact .btn-warning:hover,
.grid-controls-compact .btn-secondary:hover {
  background-color: #FFD700;
  color: #2D2D2D;
  border-color: #FFD700;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin: 0;
}

/* Modal controls styling */
.modal-controls .controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 12px 16px;
  align-items: center;
  margin-bottom: 15px;
}

.modal-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.grid-size-control {
  display: flex;
  align-items: center;
  gap: 5px;
}

.grid-size-control input {
  width: 50px;
  padding: 3px;
  border: 1px solid #ccc;
  border-radius: 3px;
  background-color: #FFD700;
  color: #2D2D2D;
}

.canvas-width-control {
  display: flex;
  align-items: center;
  gap: 5px;
}

.canvas-width-control input {
  width: 70px;
  padding: 3px;
  border: 1px solid #e0e0e0;
  border-radius: 3px;
  background: #FFD700;
  color: #2D2D2D;
  font-size: 10px;
}

.canvas-width-control input:focus {
  outline: none;
  border-color: #FFD700;
  box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
}

/* Canvas width slider styles */
.canvas-width-slider {
  width: 100%;
  min-width: 180px;
  height: 4px;
  background: linear-gradient(to right, #FFD700, #FFC000);
  border-radius: 2px;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  margin: 8px 0;
}

.canvas-width-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: #2D2D2D;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid #FFD700;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.canvas-width-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: #2D2D2D;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid #FFD700;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.btn-warning {
  background-color: #ff6b6b;
  color: white;
  border: 2px solid #ff6b6b;
  padding: 5px 10px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 10px;
}

.btn-warning:hover {
  background-color: #ff5252;
  border-color: #ff5252;
}

.btn-secondary {
  background-color: #6c757d;
  color: white;
  border: 2px solid #6c757d;
  padding: 5px 10px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 10px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.btn-secondary:hover {
  background-color: #5a6268;
  border-color: #5a6268;
}

.section-summary {
  display: flex;
  gap: 10px;
  font-size: 10px;
}

.summary-column {
  flex: 1;
}

.summary-column h5 {
  margin: 0 0 5px 0;
  color: #305BA1;
  font-size: 10px;
}

.summary-list {
  max-height: 100px;
  overflow-y: auto;
  border: 1px solid #ddd;
  border-radius: 3px;
  padding: 5px;
}

.summary-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3px 0;
  border-bottom: 1px solid #eee;
}

.summary-item:last-child {
  border-bottom: none;
}

.btn-delete {
  background-color: #ff6b6b;
  color: white;
  border: none;
  padding: 2px 5px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 10px;
  width: auto;
}

.btn-delete:hover {
  background-color: #ff5252;
}

/* Grid lines for the designer */
.grid-line {
  stroke: #ddd;
  stroke-width: 0.5;
  stroke-dasharray: 2,2;
}

.grid-line.major {
  stroke: #bbb;
  stroke-width: 1;
}

/* Interactive elements styles */
.concrete-segment {
  fill: #e8e8e8;
  stroke: #ccc;
  stroke-width: 1;
  opacity: 0.7;
  cursor: default; /* Not clickable */
}

.concrete-segment:hover {
  fill: #e8e8e8; /* No hover effect */
  stroke: #ccc;
  stroke-width: 1;
}

.concrete-segment.selected {
  /* No selection styling since they're not selectable */
  fill: #e8e8e8;
  stroke: #ccc;
  stroke-width: 1;
}

.steel-area {
  fill: #333;
  stroke: #000;
  stroke-width: 2;
  cursor: default;
}

.drawing-preview {
  fill: none;
  stroke: #333;
  stroke-width: 2;
  stroke-dasharray: 5,5;
  opacity: 0.7;
}

/* Length indicator styles */
.length-indicator {
  pointer-events: none;
}

.length-indicator text {
  font-family: Arial, sans-serif;
  user-select: none;
  fill: #2D2D2D;
}

.length-indicator rect {
  opacity: 0;
  fill: none;
  stroke: none;
}

.length-indicator line {
  opacity: 0;
  stroke: none;
}

.length-indicator polygon {
  opacity: 0;
  fill: none;
  stroke: none;
}

/* Length tooltip styles */
.length-tooltip {
  pointer-events: none;
}

.length-tooltip text {
  font-family: Arial, sans-serif;
  user-select: none;
  fill: #2D2D2D;
}

.length-tooltip rect {
  opacity: 0;
  fill: none;
  stroke: none;
}

/* Reference lines styles */
.reference-lines {
  pointer-events: none;
}

.reference-lines line {
  opacity: 0;
  stroke: none;
}

/* Dynamic dimensions styles */
.dynamic-dimensions {
  pointer-events: none;
}

.dynamic-dimensions line {
  opacity: 0.8;
}

.dynamic-dimensions text {
  font-family: Arial, sans-serif;
  font-size: 8px;
  user-select: none;
}

.dynamic-dimensions rect {
  opacity: 0.9;
}

.dynamic-dimensions polygon {
  opacity: 0.8;
}