:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --accent: #374151;
  --accent-hover: #1f2937;
  --accent-light: #f9fafb;
  --muted: #64748b;
  --muted-light: #94a3b8;
  --danger: #6b7280;
  --success: #6b7280;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px;
}

.banner {
  background: linear-gradient(135deg, var(--accent-light) 0%, #f8fafc 100%);
  border: 1px solid #e5e7eb;
  color: var(--text-secondary);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin: 0 0 24px 0;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}

header {
  text-align: center;
  margin-bottom: 48px;
}

header h1 {
  margin: 0 0 12px;
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent) 0%, #1f2937 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

header p {
  margin: 0;
  font-size: 1.125rem;
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
}

.card {
  background: var(--card);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-top: 24px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

input[type="url"], input[type="text"] {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: var(--transition);
  background: var(--card);
  color: var(--text-primary);
}

input[type="url"]:focus, input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(55, 65, 81, 0.1);
  transform: translateY(-1px);
}

input[type="url"]:hover, input[type="text"]:hover {
  border-color: var(--muted);
}

.actions {
  margin-top: 20px;
  text-align: right;
}

button {
  background: #ffffff;
  color: var(--accent);
  padding: 14px 24px;
  border-radius: var(--radius-md);
  border: 2px solid #d1d5db;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  letter-spacing: -0.01em;
}

button:hover {
  border-color: #9ca3af;
  color: var(--accent-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.download-btn {
  background: #ffffff;
  color: var(--accent);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 2px solid #d1d5db;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.download-btn:hover {
  border-color: #9ca3af;
  color: var(--accent-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.download-btn svg {
  flex-shrink: 0;
}

.status {
  margin-top: 16px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--border-light);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.status.error {
  color: #6b7280;
  background: #f9fafb;
  border-color: #d1d5db;
}

.status.success {
  color: #374151;
  background: #f9fafb;
  border-color: #9ca3af;
}

.results pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: #0f172a;
  color: #e2e8f0;
  padding: 20px;
  border-radius: var(--radius-md);
  overflow: auto;
  max-height: 400px;
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  border: 1px solid #334155;
}

.hidden {
  display: none;
}

/* Toggle Button Styles */
.toggle-btn {
  padding: 8px 16px;
  border: none;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: -0.01em;
}

.toggle-btn.active {
  background: #ffffff !important;
  color: var(--accent) !important;
  border: 2px solid #9ca3af !important;
  box-shadow: var(--shadow-sm);
}

.toggle-btn:not(.active) {
  background: transparent !important;
  color: var(--muted) !important;
}

.toggle-btn:not(.active):hover {
  background: var(--border-light) !important;
  color: var(--text-secondary) !important;
}

/* Enhanced textarea styles */
textarea {
  width: 100%;
  height: 320px;
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  background-color: #fafbfc;
  color: var(--text-primary);
  resize: vertical;
  transition: var(--transition);
}

textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(55, 65, 81, 0.1);
  background-color: var(--card);
}

/* AI Chat Enhancements */
#chatMessages {
  height: 320px;
  overflow-y: auto;
  overflow-x: hidden;
  background: #fafbfc;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 16px;
  font-size: 0.95rem;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#chatMessages > div {
  flex-shrink: 0;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

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

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

#chatMessages::-webkit-scrollbar-thumb {
  background: var(--muted-light);
  border-radius: 3px;
}

#chatMessages::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}

/* Enhanced extracted data section */
#extractedDataSection {
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#dataSummary {
  background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%) !important;
  border: 1px solid #9ca3af !important;
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 20px;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
}

/* Override inline styles for extracted data elements */
#dataSummary * {
  color: var(--text-primary) !important;
}

#completenessText {
  color: var(--accent) !important;
  font-weight: bold;
}

#extractedCount {
  color: var(--text-secondary) !important;
  font-size: 12px;
}

#extractedElements {
  color: var(--text-secondary) !important;
  font-size: 12px;
}

#jsonDisplay {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 0;
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  color: var(--text-primary);
}

#parserInfo {
  margin-top: 20px;
  padding: 16px;
  background: linear-gradient(135deg, #f1f3f4 0%, #f8fafc 100%);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

/* Section headers */
h2 {
  margin: 0 0 20px 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* Footer */
footer {
  margin-top: 48px;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
  padding: 24px 0;
  border-top: 1px solid var(--border-light);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 24px 16px;
  }
  
  header h1 {
    font-size: 2rem;
  }
  
  header p {
    font-size: 1rem;
  }
  
  .card {
    padding: 24px;
  }
  
  button {
    width: 100%;
  }
  
  .actions {
    text-align: center;
  }
}

/* Loading animation */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.loading {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Lightning Bolt Electric Arc Animation for Button */
.button-lightning {
  animation: buttonElectricFlicker 6s linear infinite;
}

/* Lightning Bolt Electric Arc Animation for Chat */
.lightning-loader {
  display: inline-flex;
  align-items: center;
  margin-left: 15px;
}

.lightning-container {
  position: relative;
  width: 20px;
  height: 24px;
}

.lightning-bolt {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: #fbbf24;
  stroke-width: 2.5;
  animation: electricArcFlicker 6s linear infinite;
}

@keyframes buttonElectricFlicker {
  /* First 2 seconds: steady state */
  0%, 33.33% {
    filter: none;
    opacity: 1;
  }
  
  /* 2-3 seconds: VERY rapid flicker */
  33.33%, 34.33% {
    filter: drop-shadow(0 0 2px currentColor);
    opacity: 0.5;
  }
  34.33%, 35.83% {
    filter: drop-shadow(0 0 8px currentColor);
    opacity: 1;
  }
  35.83%, 36.66% {
    filter: drop-shadow(0 0 1px currentColor);
    opacity: 0.4;
  }
  36.66%, 38.33% {
    filter: drop-shadow(0 0 10px currentColor);
    opacity: 1;
  }
  38.33%, 38.83% {
    filter: drop-shadow(0 0 1px currentColor);
    opacity: 0.3;
  }
  38.83%, 39.66% {
    filter: drop-shadow(0 0 12px currentColor);
    opacity: 1;
  }
  39.66%, 40.16% {
    filter: drop-shadow(0 0 1px currentColor);
    opacity: 0.4;
  }
  40.16%, 41.33% {
    filter: drop-shadow(0 0 10px currentColor);
    opacity: 1;
  }
  41.33%, 41.66% {
    filter: drop-shadow(0 0 2px currentColor);
    opacity: 0.5;
  }
  41.66%, 43.33% {
    filter: none;
    opacity: 1;
  }
  
  /* 3-5.5 seconds: steady state */
  43.33%, 75% {
    filter: none;
    opacity: 1;
  }
  
  /* 5.5-6 seconds: VERY rapid flicker */
  75%, 75.5% {
    filter: drop-shadow(0 0 1px currentColor);
    opacity: 0.3;
  }
  75.5%, 76.33% {
    filter: drop-shadow(0 0 12px currentColor);
    opacity: 1;
  }
  76.33%, 76.66% {
    filter: drop-shadow(0 0 1px currentColor);
    opacity: 0.3;
  }
  76.66%, 77.5% {
    filter: drop-shadow(0 0 14px currentColor);
    opacity: 1;
  }
  77.5%, 77.83% {
    filter: drop-shadow(0 0 1px currentColor);
    opacity: 0.3;
  }
  77.83%, 78.66% {
    filter: drop-shadow(0 0 15px currentColor);
    opacity: 1;
  }
  78.66%, 78.83% {
    filter: drop-shadow(0 0 1px currentColor);
    opacity: 0.3;
  }
  78.83%, 79.5% {
    filter: drop-shadow(0 0 10px currentColor);
    opacity: 1;
  }
  79.5%, 79.66% {
    filter: drop-shadow(0 0 1px currentColor);
    opacity: 0.3;
  }
  79.66%, 80.33% {
    filter: drop-shadow(0 0 12px currentColor);
    opacity: 1;
  }
  80.33%, 80.5% {
    filter: drop-shadow(0 0 1px currentColor);
    opacity: 0.3;
  }
  80.5%, 81.16% {
    filter: drop-shadow(0 0 10px currentColor);
    opacity: 1;
  }
  
  /* Final steady state */
  81.16%, 100% {
    filter: none;
    opacity: 1;
  }
}

@keyframes electricArcFlicker {
  /* First 2 seconds: steady glow */
  0%, 33.33% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 6px rgba(251, 191, 36, 0.9));
    opacity: 1;
  }
  
  /* 2-3 seconds: VERY rapid flicker */
  33.33%, 34.33% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 2px rgba(251, 191, 36, 0.3));
    opacity: 0.5;
  }
  34.33%, 35.83% {
    stroke: #fff;
    filter: drop-shadow(0 0 15px rgba(255, 255, 255, 1));
    opacity: 1;
  }
  35.83%, 36.66% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 1px rgba(251, 191, 36, 0.2));
    opacity: 0.4;
  }
  36.66%, 38.33% {
    stroke: #ffd700;
    filter: drop-shadow(0 0 18px rgba(255, 215, 0, 1));
    opacity: 1;
  }
  38.33%, 38.83% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 1px rgba(251, 191, 36, 0.2));
    opacity: 0.3;
  }
  38.83%, 39.66% {
    stroke: #fff;
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 1));
    opacity: 1;
  }
  39.66%, 40.16% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 1px rgba(251, 191, 36, 0.2));
    opacity: 0.4;
  }
  40.16%, 41.33% {
    stroke: #fff;
    filter: drop-shadow(0 0 16px rgba(255, 255, 255, 1));
    opacity: 1;
  }
  41.33%, 41.66% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 2px rgba(251, 191, 36, 0.3));
    opacity: 0.5;
  }
  41.66%, 43.33% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 6px rgba(251, 191, 36, 0.9));
    opacity: 1;
  }
  
  /* 3-5.5 seconds: steady glow */
  43.33%, 75% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 6px rgba(251, 191, 36, 0.9));
    opacity: 1;
  }
  
  /* 5.5-6 seconds: VERY rapid flicker */
  75%, 75.5% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 1px rgba(251, 191, 36, 0.2));
    opacity: 0.3;
  }
  75.5%, 76.33% {
    stroke: #fff;
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 1));
    opacity: 1;
  }
  76.33%, 76.66% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 1px rgba(251, 191, 36, 0.2));
    opacity: 0.3;
  }
  76.66%, 77.5% {
    stroke: #ffd700;
    filter: drop-shadow(0 0 22px rgba(255, 215, 0, 1));
    opacity: 1;
  }
  77.5%, 77.83% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 1px rgba(251, 191, 36, 0.2));
    opacity: 0.3;
  }
  77.83%, 78.66% {
    stroke: #fff;
    filter: drop-shadow(0 0 25px rgba(255, 255, 255, 1));
    opacity: 1;
  }
  78.66%, 78.83% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 1px rgba(251, 191, 36, 0.2));
    opacity: 0.3;
  }
  78.83%, 79.5% {
    stroke: #fff;
    filter: drop-shadow(0 0 18px rgba(255, 255, 255, 1));
    opacity: 1;
  }
  79.5%, 79.66% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 1px rgba(251, 191, 36, 0.2));
    opacity: 0.3;
  }
  79.66%, 80.33% {
    stroke: #ffd700;
    filter: drop-shadow(0 0 20px rgba(255, 215, 0, 1));
    opacity: 1;
  }
  80.33%, 80.5% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 1px rgba(251, 191, 36, 0.2));
    opacity: 0.3;
  }
  80.5%, 81.16% {
    stroke: #fff;
    filter: drop-shadow(0 0 16px rgba(255, 255, 255, 1));
    opacity: 1;
  }
  
  /* Final steady glow */
  81.16%, 100% {
    stroke: #fbbf24;
    filter: drop-shadow(0 0 6px rgba(251, 191, 36, 0.9));
    opacity: 1;
  }
}

/* AI Heading Lightning Bolt States */
#aiHeadingLightning {
  transition: all 0.3s ease;
}

#aiHeadingLightning.inactive {
  stroke: #2c3e50;
  filter: none;
  opacity: 1;
}

#aiHeadingLightning.active {
  animation: electricArcFlicker 6s linear infinite;
}

/* Smooth transitions for showing/hiding sections */
.card.hidden {
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
}

.card:not(.hidden) {
  opacity: 1;
  transform: translateY(0);
  transition: var(--transition);
}

/* ========================================================================
   DEMO HOMEPAGE PROGRESS BAR STYLES
   Version: v1.0 • Updated: 2025-01-07 09:17 AEST (Brisbane)
   ======================================================================== */

/* Progress container */
.progress-container {
  width: 100%;
  margin: 16px 0;
}

/* Progress bar background */
.progress-bar {
  width: 100%;
  height: 8px;
  background: #e0e0e0;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

/* Progress bar fill */
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #007bff, #0056b3);
  transition: width 0.3s ease;
  width: 0%;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

/* Animated shine effect on progress bar */
.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: shine 2s infinite;
}

@keyframes shine {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Progress text */
.progress-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 8px;
  text-align: center;
}

/* Status message */
.status-message {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--border-light);
  border: 1px solid var(--border);
}

/* Lightning bolt processing animation (for demo mode) */
.lightning-processing {
  animation: flash 0.8s ease-in-out infinite;
  filter: drop-shadow(0 0 3px rgba(255, 215, 0, 0.6));
}

@keyframes flash {
  0% {
    opacity: 1;
    fill: currentColor;
    filter: drop-shadow(0 0 3px rgba(255, 215, 0, 0.6));
  }
  25% {
    opacity: 0.4;
    fill: #FFD700;
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.8));
  }
  50% {
    opacity: 1;
    fill: #FFA500;
    filter: drop-shadow(0 0 5px rgba(255, 165, 0, 0.7));
  }
  75% {
    opacity: 0.4;
    fill: #FFD700;
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.8));
  }
  100% {
    opacity: 1;
    fill: currentColor;
    filter: drop-shadow(0 0 3px rgba(255, 215, 0, 0.6));
  }
}

/* Status details (optional additional info) */
.status-details {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 8px;
  font-style: italic;
}

/* Demo mode specific button styling */
button:has(.lightning-processing) {
  position: relative;
  overflow: visible;
}

/* CTA button for Save Project */
.cta-btn {
  background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
  color: white;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(40, 167, 69, 0.2);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.cta-btn:hover {
  background: linear-gradient(135deg, #20c997 0%, #28a745 100%);
  box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
  transform: translateY(-2px);
}

.cta-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(40, 167, 69, 0.2);
}

.cta-btn svg {
  flex-shrink: 0;
}

/* Spinner animation for progress section */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.processing-spinner {
  animation: spin 1s linear infinite;
}