/**
 * Form Explainer CSS Module
 * Modern, clean implementation for the interactive form explainer
 */

:root {
  /* Core colors */
  --form-explainer-bg: rgba(18, 18, 24, 0.85);
  --form-explainer-border: rgba(255, 255, 255, 0.12);
  --form-explainer-text: rgba(255, 255, 255, 0.9);
  --form-explainer-secondary-text: rgba(255, 255, 255, 0.7);
  
  /* Accent colors - Use Nova mood variables when available */
  --form-explainer-accent: var(--mood-primary, #64a0ff);
  --form-explainer-accent-glow: var(--glow-primary, rgba(100, 160, 255, 0.4));
  --form-explainer-highlight: var(--mood-secondary, #ff64a0);
  --form-explainer-highlight-glow: var(--glow-secondary, rgba(255, 100, 160, 0.4));
  
  /* Timing variables */
  --form-explainer-transition: 0.25s ease-in-out;
  --form-explainer-pulse-duration: 2s;
}

/* Container Layout */
.form-explainer-container {
  position: relative; /* Crucial for overlay positioning */
  display: flex;
  flex-direction: column; /* Default to a single column on mobile */
  gap: 2rem;
  width: 100%;
  padding: 1.5rem;
  background: var(--form-explainer-bg);
  border: 1px solid var(--form-explainer-border);
  border-radius: 0.75rem;
  color: var(--form-explainer-text);
  margin: 2rem 0;
  overflow: hidden;
}

/* On medium screens and up, switch to a two-column layout */
@media (min-width: 768px) {
  .form-explainer-container {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

/* Left Column - Image Container */
.form-image-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg, 12px);
  flex: 1 1 55%; /* Let it take up more space */
  min-width: 0; /* Prevent flexbox overflow */
  background: rgba(0, 0, 0, 0.2);
}

@media (min-width: 768px) {
  .form-image-container {
    flex: 5;
    min-width: 300px;
  }
}

.form-image-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top left;
}

.whisper-panel {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0));
  padding: 1.5rem 1rem 1rem;
  color: white;
  font-size: 0.9rem;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

.whisper-panel.active {
  transform: translateY(0);
  opacity: 1;
}

/* Overlay Positioning and Styling */
.form-overlays {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.form-field-overlay {
  position: absolute;
  border: 2px solid transparent;
  border-radius: 4px;
  transition: all var(--form-explainer-transition);
  cursor: pointer;
  pointer-events: auto;
  z-index: 5;
}

.form-field-overlay:hover,
.form-field-overlay.active {
  border-color: var(--form-explainer-accent);
  box-shadow: 0 0 0 2px var(--form-explainer-accent-glow);
}

/* Ghost overlay animation for pulsing effect */
.ghost-overlay {
  position: absolute;
  border: 2px solid var(--form-explainer-highlight);
  border-radius: 4px;
  pointer-events: none;
  opacity: 0;
  transition: all var(--form-explainer-transition);
  z-index: 3;
}

.ghost-overlay.pulsing {
  animation: pulse-border var(--form-explainer-pulse-duration) infinite;
  opacity: 0.9;
}

@keyframes pulse-border {
  0% {
    box-shadow: 0 0 0 0 var(--form-explainer-highlight-glow);
    border-color: var(--form-explainer-highlight);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(255, 100, 160, 0);
    border-color: var(--form-explainer-accent);
  }
  100% {
    box-shadow: 0 0 0 0 var(--form-explainer-highlight-glow);
    border-color: var(--form-explainer-highlight);
  }
}

/* Right Column - Field Explainer Stack */
.field-stack-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  width: 100%; /* Default width for mobile */
}

@media (min-width: 768px) {
  .field-stack-container {
    flex: 4;
    min-width: 300px;
  }
}

.field-item {
  position: relative; /* Needed for tooltip positioning */
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--form-explainer-border);
  border-radius: 0.5rem;
  padding: 1rem;
  transition: all var(--form-explainer-transition);
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
}

.field-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.field-item:hover,
.field-item.active {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--form-explainer-accent);
  box-shadow: 0 0 15px 0 var(--form-explainer-accent-glow);
}

.field-item-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.field-item-header i {
  color: var(--form-explainer-accent);
  font-size: 1.25rem;
}

.field-item-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 500;
}

.field-item-description {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--form-explainer-secondary-text);
  margin-bottom: 0.5rem; /* Add space below description */
}

/* Custom Tooltip Styling */
.field-item-tooltip {
  position: absolute;
  bottom: calc(100% + 8px); /* Position above the item */
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--form-explainer-highlight);
  color: #fff;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.85rem;
  white-space: nowrap;
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease-in-out, transform 0.2s ease-in-out;
}

.field-item-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: var(--form-explainer-highlight) transparent transparent transparent;
}

.form-field-overlay:hover .field-item-tooltip,
.form-field-overlay:focus .field-item-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(-5px);
}

/* Timeline Controls - Completely revised for perfect alignment */
.timeline-scrubber {
  position: relative;
  height: 60px;
  margin-top: 1.5rem;
  padding: 0;
  cursor: pointer;
  width: 95%; /* Reduce width to prevent right side clipping */
  margin-left: auto;
  margin-right: auto;
}

/* Base timeline line */
.timeline-markers {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-50%);
  z-index: 1;
}

/* Timeline progress bar */
.timeline-progress {
  position: absolute;
  top: 50%;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--form-explainer-accent);
  border-radius: 3px;
  transform: translateY(-50%);
  transition: width 0.3s ease-in-out;
  z-index: 2;
  pointer-events: none;
}

/* Fixed position markers - absolute positioning for perfect alignment */
.timeline-marker {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 3;
  border-radius: 50%; /* Add circular shape */
  background: transparent; /* Keep background transparent */
}

/* Playhead - absolute positioning for perfect alignment */
.timeline-playhead {
  position: absolute;
  top: 50%;
  left: 0;
  width: 34px;
  height: 34px;
  transform: translate(0%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  pointer-events: none;
  transition: left 0.3s ease-out;
  box-shadow: 0 0 0 4px var(--form-explainer-highlight-glow);
  border-radius: 50%;
}

/* Icon styling for both markers and playhead */
.timeline-dot-icon {
  font-size: 1.5rem;
  color: var(--form-explainer-accent, #64a0ff);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

/* Active states */
.timeline-marker.active .timeline-dot-icon,
.timeline-playhead .timeline-dot-icon {
  color: var(--form-explainer-highlight, #ff64a0);
  text-shadow: 0 0 8px var(--form-explainer-highlight-glow, rgba(255,100,160,0.4));
}

/* Remove default dot backgrounds */
.timeline-marker::before, 
.timeline-playhead::before {
  display: none !important;
}

.timeline-marker.active {
  background: none;
  box-shadow: 0 0 0 4px var(--form-explainer-accent-glow);
  border-radius: 50%;
}

/* Replay button */
.replay-button {
  align-self: flex-end;
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--form-explainer-accent);
  border-radius: 2rem;
  color: var(--form-explainer-text);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--form-explainer-transition);
}

.replay-button:hover {
  background: var(--form-explainer-accent-glow);
}

.replay-button.pulsing {
  animation: pulse-button 2s infinite;
}

@keyframes pulse-button {
  0% {
    box-shadow: 0 0 0 0 var(--form-explainer-accent-glow);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(100, 160, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 var(--form-explainer-accent-glow);
  }
}

/* Accessibility Enhancements */
.form-explainer-container:focus {
  outline: 2px solid var(--form-explainer-highlight);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus styles for keyboard navigation */
.field-item:focus-visible,
.timeline-marker:focus-visible,
.replay-button:focus-visible {
  outline: 2px solid var(--form-explainer-highlight);
  outline-offset: 2px;
}

/* Responsive adjustments */
@media (max-width: 767px) {
  .form-explainer-container {
    padding: 1rem;
  }
  
  .field-item {
    padding: 0.75rem;
  }
  
  .field-item-header h3 {
    font-size: 1rem;
  }
}