/* Reusable UI Components */
/* Generated by Golem - Phase 1: CSS Foundation */

/* Collapsible Section Component */
.collapsible-section {
  border-radius: var(--border-radius);
  margin-bottom: var(--space-xs);
}

.collapsible-header {
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.collapsible-header i {
  margin-right: 8px;
  transition: var(--transition-fast);
}

.collapsible-content {
  padding: var(--space-md);
  transition: var(--transition-normal);
}

.collapsible-content.is-collapsed {
  display: none;
}

/* Parameter Matrix Component */
.parameter-matrix {
  margin-top: var(--space-sm);
}

.parameter-row {
  display: flex;
  align-items: center;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid #f0f0f0;
}

.parameter-row:last-child {
  border-bottom: none;
}

.parameter-name {
  flex: 1;
  font-weight: 500;
  color: var(--section-header);
}

.parameter-controls {
  flex: 2;
  display: flex;
  gap: var(--space-sm);
}

.parameter-controls .radio {
  margin: 0 var(--space-xs);
}

/* Currency Input Component */
.currency-input {
  position: relative;
}

.currency-wrapper {
  position: relative;
}

.currency-symbol {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: #666;
  z-index: 10;
  font-weight: bold;
}

.currency-input input {
  padding-left: 20px !important;
}

/* Input States */
.input-readonly {
  background-color: var(--light-bg);
  color: var(--text-muted);
  cursor: not-allowed;
}

.input-disabled {
  opacity: 0.6;
  pointer-events: none;
}

.input-error {
  border-color: var(--danger-color);
  box-shadow: 0 0 0 2px rgba(200, 90, 90, 0.1);
}

.input-success {
  border-color: var(--success-color);
  box-shadow: 0 0 0 2px rgba(91, 166, 114, 0.1);
}

/* File Upload Component */
.file-upload-info {
  border-radius: var(--input-border-radius);
  padding: var(--space-xs);
  margin: var(--space-xs) 0;
  background-color: #f8f9fa;
  border: 1px solid #e9ecef;
}

.file-upload-info i {
  margin-right: var(--space-xs);
  color: var(--info-color);
}

/* Status Indicators */
.status-success {
  color: var(--success-color);
}

.status-warning {
  color: var(--warning-color);
}

.status-error {
  color: var(--danger-color);
}

.status-info {
  color: var(--info-color);
}

/* Loading States */
.is-loading {
  position: relative;
  pointer-events: none;
}

.is-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--border-radius);
}

/* Visibility States */
.is-hidden {
  display: none !important;
}

.is-visible {
  display: block !important;
}

.is-minimizing {
  background-color: #fff3cd;
  border-color: var(--warning-color);
}

/* Responsive Helpers */
@media (max-width: 768px) {
  .input-row {
    flex-direction: column;
    gap: var(--space-xs);
  }
  
  .parameter-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }
  
  .parameter-controls {
    width: 100%;
  }
}

/* Focus and Hover States */
.collapsible-header:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.parameter-row:hover {
  background-color: rgba(0, 0, 0, 0.02);
}

/* Button Variations */
.btn-success {
  background-color: var(--success-color);
  border-color: var(--success-color);
}

.btn-success:hover {
  background-color: #4a8c5f;
  border-color: #4a8c5f;
}

/* Sidebar Separator */
.sidebar-separator {
  border-color: rgba(255, 255, 255, 0.2);
  margin: var(--space-md) 0;
}

/* Design Options Module Components */
/* Step Headers */
.step-header {
  color: var(--section-header);
  margin-bottom: var(--space-sm);
  font-weight: var(--font-weight-bold);
}

.step-header-large {
  color: var(--section-header);
  margin-bottom: var(--space-sm);
  font-weight: var(--font-weight-bold);
}

/* Section Dividers */
.section-divider {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
}

/* Hidden Sections with Spacing */
.hidden-section {
  display: none;
}

.hidden-section-with-spacing {
  display: none;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
}

.hidden-section-with-margin {
  display: none;
  margin-top: var(--space-sm);
}

.hidden-section-with-large-margin {
  display: none;
  margin-top: var(--space-lg);
}

/* Cost Parameter Section */
.cost-params-section {
  margin-top: var(--space-md);
}

/* Design Problem Summary */
.design-summary {
  display: none;
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background-color: var(--light-bg);
  border-left: 4px solid var(--section-header);
  border-radius: var(--border-radius);
}

.design-summary-title {
  color: var(--section-header);
  margin-bottom: 8px;
  display: block;
  font-weight: var(--font-weight-bold);
}

.design-summary-text {
  font-size: 14px;
  line-height: 1.4;
  color: #333;
}

/* =============================================================================
   TOOLTIP COMPONENTS
   ============================================================================= */

/* Tooltip Icon - positioned relative so tooltip is positioned relative to it */
.tooltip-icon {
  position: relative;
  display: inline-block;
  font-size: 0.75em;
  vertical-align: super;
  margin-left: 2px;
  color: #0066cc;
  cursor: help;
  transition: color 0.2s ease;
}

.tooltip-icon:hover {
  color: #0056b3;
}

/* Tooltip Text - child of icon, positioned relative to icon center */
.tooltip-icon .tooltip-text {
  visibility: hidden;
  width: 160px;
  background-color: #f9f9f9;
  color: #333;
  text-align: left;
  border-radius: 6px;
  border: 1px solid #ccc;
  padding: 12px 10px;
  position: absolute;
  z-index: 1000;
  bottom: calc(100% + 5px);
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.3s;
  font-size: 12px;
  line-height: 1.6;
  font-weight: normal;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  white-space: normal;
}

/* Show Tooltip on Icon Hover */
.tooltip-icon:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* Tooltip Label Container (for hoverable labels without icon) */
.tooltip-label-container {
  position: relative;
  display: inline-block;
}

.tooltip-label-text {
  cursor: help;
  border-bottom: 1px dotted #888;
  transition: border-color 0.2s ease;
}

.tooltip-label-text:hover {
  border-bottom-color: #0056b3;
}

/* Show tooltip when hovering label text */
.tooltip-label-container:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* Tooltip Span (For inline spans like "Cost/cell") */
.tooltip-span {
  cursor: help;
  border-bottom: 1px dotted #888;
  transition: border-color 0.2s ease;
}

.tooltip-span:hover {
  border-bottom-color: #0056b3;
}

/* Native browser tooltip enhancements */
[title] {
  position: relative;
}

/* Optional: Accessibility improvements for tooltips */
.tooltip-icon[title],
.tooltip-label[title],
.tooltip-span[title] {
  /* Ensure tooltips are keyboard accessible */
  text-decoration: none;
}

.tooltip-icon[title]:focus,
.tooltip-label[title]:focus,
.tooltip-span[title]:focus {
  outline: 2px solid #0056b3;
  outline-offset: 2px;
  border-radius: 2px;
}