/*!
 * Enhanced DTC Display Styles
 * Modern, accessible, and beautiful diagnostic trouble code display
 * With animations, improved visual hierarchy, and mobile responsiveness
 */

:root {
  /* Enhanced color palette */
  --dtc-critical: #dc2626;
  --dtc-critical-bg: #fef2f2;
  --dtc-critical-border: #fca5a5;
  
  --dtc-warning: #f59e0b;
  --dtc-warning-bg: #fffbeb;
  --dtc-warning-border: #fcd34d;
  
  --dtc-advisory: #10b981;
  --dtc-advisory-bg: #f0fdf4;
  --dtc-advisory-border: #86efac;
  
  --dtc-primary: #3b82f6;
  --dtc-primary-hover: #2563eb;
  --dtc-secondary: #6b7280;
  
  --dtc-text-primary: #111827;
  --dtc-text-secondary: #6b7280;
  --dtc-text-muted: #9ca3af;
  
  --dtc-bg-white: #ffffff;
  --dtc-bg-gray: #f9fafb;
  --dtc-border: #e5e7eb;
  
  --dtc-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --dtc-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --dtc-shadow-lg: 0 10px 25px -5px rgb(0 0 0 / 0.1);
  
  --dtc-radius: 0.75rem;
  --dtc-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================
   Animations
   ================== */

/* Animation Delays - CSP Compliant */
.delay-1 { animation-delay: 50ms; }
.delay-2 { animation-delay: 100ms; }
.delay-3 { animation-delay: 150ms; }
.delay-4 { animation-delay: 200ms; }
.delay-5 { animation-delay: 250ms; }
.delay-6 { animation-delay: 300ms; }
.delay-7 { animation-delay: 350ms; }
.delay-8 { animation-delay: 400ms; }
.delay-9 { animation-delay: 450ms; }
.delay-10 { animation-delay: 500ms; }

/* Cost Fill Width - Data Attribute Based */
.cost-fill[data-percent="0"] { width: 0%; }
.cost-fill[data-percent="5"] { width: 5%; }
.cost-fill[data-percent="10"] { width: 10%; }
.cost-fill[data-percent="15"] { width: 15%; }
.cost-fill[data-percent="20"] { width: 20%; }
.cost-fill[data-percent="25"] { width: 25%; }
.cost-fill[data-percent="30"] { width: 30%; }
.cost-fill[data-percent="35"] { width: 35%; }
.cost-fill[data-percent="40"] { width: 40%; }
.cost-fill[data-percent="45"] { width: 45%; }
.cost-fill[data-percent="50"] { width: 50%; }
.cost-fill[data-percent="55"] { width: 55%; }
.cost-fill[data-percent="60"] { width: 60%; }
.cost-fill[data-percent="65"] { width: 65%; }
.cost-fill[data-percent="70"] { width: 70%; }
.cost-fill[data-percent="75"] { width: 75%; }
.cost-fill[data-percent="80"] { width: 80%; }
.cost-fill[data-percent="85"] { width: 85%; }
.cost-fill[data-percent="90"] { width: 90%; }
.cost-fill[data-percent="95"] { width: 95%; }
.cost-fill[data-percent="100"] { width: 100%; }

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideInLeft {
  from { 
    opacity: 0;
    transform: translateX(-20px);
  }
  to { 
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.animate-in {
  animation: slideIn 0.5s ease-out;
}

.animate-fade {
  animation: fadeIn 0.3s ease-out;
}

.animate-slide {
  animation: slideInLeft 0.4s ease-out;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-badge {
  animation: bounce 0.5s ease-out;
}

/* ==================
   Main Container
   ================== */

.dtc-enhanced-display {
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem;
  font-family: system-ui, -apple-system, sans-serif;
}

/* ==================
   Progress Indicator
   ================== */

.dtc-progress-indicator {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  padding: 1rem;
}

.progress-step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--dtc-text-muted);
  font-size: 0.875rem;
  transition: var(--dtc-transition);
}

.progress-step.completed {
  color: var(--dtc-advisory);
}

.progress-step.active {
  color: var(--dtc-primary);
  font-weight: 600;
}

.step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--dtc-bg-gray);
  border: 2px solid currentColor;
  font-weight: 600;
  transition: var(--dtc-transition);
}

.progress-step.completed .step-icon {
  background: var(--dtc-advisory);
  color: white;
  border-color: var(--dtc-advisory);
}

.progress-step.active .step-icon {
  background: var(--dtc-primary);
  color: white;
  border-color: var(--dtc-primary);
  animation: pulse 2s infinite;
}

/* ==================
   Enhanced Card
   ================== */

.dtc-enhanced-card {
  background: var(--dtc-bg-white);
  border-radius: var(--dtc-radius);
  box-shadow: var(--dtc-shadow-lg);
  overflow: hidden;
  position: relative;
}

.dtc-enhanced-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--dtc-primary) 0%, var(--dtc-primary-hover) 100%);
}

.dtc-enhanced-card[data-severity="critical"]::before {
  background: linear-gradient(90deg, var(--dtc-critical) 0%, #ef4444 100%);
}

.dtc-enhanced-card[data-severity="warning"]::before {
  background: linear-gradient(90deg, var(--dtc-warning) 0%, #fbbf24 100%);
}

/* ==================
   Header Section
   ================== */

.dtc-header {
  padding: 2rem;
  background: linear-gradient(135deg, var(--dtc-bg-gray) 0%, var(--dtc-bg-white) 100%);
  border-bottom: 1px solid var(--dtc-border);
}

.dtc-header-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.dtc-code-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.dtc-code-large {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dtc-text-primary);
  margin: 0;
  letter-spacing: 0.05em;
}

.code-type-badge,
.manufacturer-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-type-badge {
  background: var(--dtc-primary);
  color: white;
}

.manufacturer-badge {
  background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
  color: white;
  box-shadow: 0 2px 4px rgba(139, 92, 246, 0.3);
}

.dtc-severity-indicator {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.severity-icon {
  font-size: 2rem;
}

.severity-text {
  font-weight: 600;
  color: var(--dtc-text-secondary);
}

.severity-meter {
  width: 120px;
  height: 8px;
  background: var(--dtc-bg-gray);
  border-radius: 4px;
  overflow: hidden;
}

.severity-fill {
  height: 100%;
  transition: width 1s ease-out;
  animation: shimmer 2s linear infinite;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255,255,255,0.3) 50%, 
    transparent 100%);
  background-size: 200% 100%;
}

.severity-fill.severity-critical {
  width: 100%;
  background-color: var(--dtc-critical);
}

.severity-fill.severity-warning {
  width: 66%;
  background-color: var(--dtc-warning);
}

.severity-fill.severity-advisory {
  width: 33%;
  background-color: var(--dtc-advisory);
}

.dtc-description {
  font-size: 1.25rem;
  color: var(--dtc-text-primary);
  margin: 0;
  line-height: 1.6;
}

/* ==================
   Warning Banner
   ================== */

.dtc-warning-banner {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--dtc-warning-bg);
  border: 1px solid var(--dtc-warning-border);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.warning-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.warning-text {
  color: #92400e;
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0;
}

/* ==================
   Quick Actions
   ================== */

.dtc-quick-actions {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--dtc-bg-gray);
  border-bottom: 1px solid var(--dtc-border);
  overflow-x: auto;
}

.quick-action-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: white;
  border: 1px solid var(--dtc-border);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  color: var(--dtc-text-secondary);
  cursor: pointer;
  transition: var(--dtc-transition);
  white-space: nowrap;
}

.quick-action-btn:hover {
  background: var(--dtc-primary);
  color: white;
  border-color: var(--dtc-primary);
  transform: translateY(-2px);
  box-shadow: var(--dtc-shadow);
}

.quick-action-btn .icon {
  font-size: 1rem;
}

/* ==================
   Primary Info Grid
   ================== */

.dtc-primary-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  padding: 2rem;
}

.info-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--dtc-bg-gray);
  border-radius: 0.75rem;
  transition: var(--dtc-transition);
}

.info-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--dtc-shadow);
}

.info-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.info-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.info-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--dtc-text-muted);
}

.info-value {
  font-weight: 600;
  color: var(--dtc-text-primary);
}

.difficulty-stars {
  color: var(--dtc-warning);
  font-size: 1rem;
  margin-top: 0.25rem;
}

/* ==================
   Safety Alert
   ================== */

.dtc-safety-alert {
  margin: 2rem;
  padding: 1.5rem;
  border-radius: var(--dtc-radius);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  position: relative;
  overflow: hidden;
}

.dtc-safety-alert.safe {
  background: var(--dtc-advisory-bg);
  border: 2px solid var(--dtc-advisory-border);
}

.dtc-safety-alert.unsafe {
  background: var(--dtc-critical-bg);
  border: 2px solid var(--dtc-critical-border);
}

.safety-icon-large {
  font-size: 3rem;
  flex-shrink: 0;
}

.safety-content {
  flex: 1;
}

.safety-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  color: var(--dtc-text-primary);
}

.safety-message {
  color: var(--dtc-text-secondary);
  margin: 0;
  line-height: 1.5;
}

.safety-action-btn {
  padding: 0.75rem 1.5rem;
  background: var(--dtc-critical);
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--dtc-transition);
}

.safety-action-btn:hover {
  background: #b91c1c;
  transform: scale(1.05);
}

/* ==================
   Diagnostic Tabs
   ================== */

.dtc-diagnostic-tabs {
  margin: 2rem;
}

.tab-nav {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--dtc-border);
  margin-bottom: 1.5rem;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--dtc-text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: var(--dtc-transition);
  position: relative;
}

.tab-btn:hover {
  color: var(--dtc-primary);
}

.tab-btn.active {
  color: var(--dtc-primary);
  border-bottom-color: var(--dtc-primary);
}

.tab-btn .count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  margin-left: 0.5rem;
  background: var(--dtc-bg-gray);
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
}

.tab-btn.active .count {
  background: var(--dtc-primary);
  color: white;
}

.tab-content {
  min-height: 200px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ==================
   Check Lists
   ================== */

.dtc-check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.check-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 0.5rem; /* Reduced from 1rem */
}

.check-input {
  display: none;
}

.check-label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem; /* Reduced from 0.75rem */
  cursor: pointer;
  transition: var(--dtc-transition);
  padding: 0.5rem; /* Reduced from 0.75rem */
  border-radius: 0.5rem;
  flex: 1;
  text-align: left; /* Ensure left alignment */
}

.check-label:hover {
  background: var(--dtc-bg-gray);
}

.check-icon {
  font-size: 1rem; /* Reduced from 1.25rem */
  color: var(--dtc-text-muted);
  transition: var(--dtc-transition);
  flex-shrink: 0; /* Prevent icon from shrinking */
  margin-top: 0.125rem; /* Slight offset for better alignment */
}

.check-input:checked + .check-label .check-icon {
  color: var(--dtc-advisory);
}

.check-input:checked + .check-label .check-icon::before {
  content: '✓';
}

.check-text {
  flex: 1;
  line-height: 1.4; /* Tighter line height */
  color: var(--dtc-text-primary);
  text-align: left; /* Ensure text is left-aligned */
}

/* ==================
   Action Cards
   ================== */

.dtc-action-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem; /* Reduced from 1rem */
}

.action-card {
  display: flex;
  gap: 0.75rem; /* Reduced from 1rem */
  padding: 0.75rem; /* Reduced from 1rem */
  background: var(--dtc-bg-gray);
  border-radius: 0.75rem;
  transition: var(--dtc-transition);
  align-items: flex-start; /* Ensure top alignment */
}

.action-card:hover {
  transform: translateX(4px);
  box-shadow: var(--dtc-shadow);
}

.action-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px; /* Reduced from 32px */
  height: 28px; /* Reduced from 32px */
  background: var(--dtc-primary);
  color: white;
  border-radius: 50%;
  font-weight: 600;
  flex-shrink: 0;
  font-size: 0.875rem; /* Smaller font for number */
}

.action-content {
  flex: 1;
  text-align: left; /* Ensure left alignment */
}

.action-text {
  margin: 0 0 0.5rem 0; /* Reduced bottom margin */
  line-height: 1.4; /* Tighter line height */
  color: var(--dtc-text-primary);
  text-align: left; /* Ensure text is left-aligned */
}

.action-complete-btn {
  padding: 0.5rem 1rem;
  background: white;
  border: 1px solid var(--dtc-border);
  border-radius: 0.375rem;
  font-size: 0.875rem;
  color: var(--dtc-text-secondary);
  cursor: pointer;
  transition: var(--dtc-transition);
}

.action-complete-btn:hover {
  background: var(--dtc-advisory);
  color: white;
  border-color: var(--dtc-advisory);
}

/* ==================
   Cost Estimate
   ================== */

.dtc-cost-estimate {
  margin: 2rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-radius: var(--dtc-radius);
  border: 1px solid #fcd34d;
}

.cost-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: #78350f;
  margin: 0 0 1rem 0;
}

.cost-breakdown {
  background: white;
  padding: 1rem;
  border-radius: 0.5rem;
}

.cost-range {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.cost-min,
.cost-max {
  font-weight: 600;
  color: var(--dtc-text-primary);
}

.cost-bar {
  flex: 1;
  height: 8px;
  background: var(--dtc-bg-gray);
  border-radius: 4px;
  overflow: hidden;
}

.cost-fill {
  height: 100%;
  background: linear-gradient(90deg, #fbbf24 0%, #f59e0b 100%);
  transition: width 1s ease-out;
}

.cost-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--dtc-border);
}

.cost-line {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
}

.cost-label {
  color: var(--dtc-text-secondary);
}

.cost-value {
  font-weight: 600;
  color: var(--dtc-text-primary);
}

.cost-savings-tip {
  margin-top: 1rem;
  padding: 0.75rem;
  background: var(--dtc-advisory-bg);
  border-radius: 0.375rem;
  color: #047857;
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
}

/* ==================
   Technical Info
   ================== */

.dtc-technical-info {
  margin: 0 2rem 2rem;
  padding: 1.5rem;
  background: var(--dtc-bg-gray);
  border-radius: var(--dtc-radius);
}

.section-subtitle {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--dtc-text-primary);
  margin: 0 0 0.75rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tool-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tool-chip {
  padding: 0.375rem 0.75rem;
  background: white;
  border: 1px solid var(--dtc-border);
  border-radius: 1rem;
  font-size: 0.875rem;
  color: var(--dtc-text-secondary);
}

.model-info {
  margin-top: 1rem;
}

.model-text {
  color: var(--dtc-text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* ==================
   Action Buttons
   ================== */

.dtc-action-buttons {
  display: flex;
  gap: 1rem;
  padding: 2rem;
  background: var(--dtc-bg-gray);
  border-top: 1px solid var(--dtc-border);
}

.action-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--dtc-transition);
  border: none;
}

.action-btn.secondary {
  background: white;
  color: var(--dtc-text-primary);
  border: 2px solid var(--dtc-border);
}

.action-btn.secondary:hover {
  background: var(--dtc-bg-gray);
  transform: translateY(-2px);
}

.action-btn.primary {
  background: var(--dtc-primary);
  color: white;
}

.action-btn.primary:hover {
  background: var(--dtc-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--dtc-shadow-lg);
}

.btn-icon {
  font-size: 1.25rem;
}

/* ==================
   Related Section
   ================== */

.dtc-related-section {
  margin-top: 2rem;
  padding: 2rem;
  background: var(--dtc-bg-gray);
  border-radius: var(--dtc-radius);
}

.related-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--dtc-text-primary);
  margin: 0 0 1rem 0;
}

.related-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.related-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: white;
  border-radius: 0.5rem;
  text-decoration: none;
  color: var(--dtc-text-primary);
  transition: var(--dtc-transition);
  border: 1px solid var(--dtc-border);
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  text-align: left;
  width: 100%;
}

.related-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--dtc-shadow);
  border-color: var(--dtc-primary);
  background: var(--dtc-bg-gray);
}

.related-icon {
  font-size: 1.5rem;
}

.related-text {
  font-size: 0.9rem;
  line-height: 1.4;
}

/* ==================
   Error Display
   ================== */

.dtc-error-display {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--dtc-bg-gray);
  border-radius: var(--dtc-radius);
}

.error-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.error-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dtc-text-primary);
  margin: 0 0 0.5rem 0;
}

.error-message {
  color: var(--dtc-text-secondary);
  margin: 0 0 1.5rem 0;
}

.error-retry-btn {
  padding: 0.75rem 2rem;
  background: var(--dtc-primary);
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--dtc-transition);
}

.error-retry-btn:hover {
  background: var(--dtc-primary-hover);
  transform: scale(1.05);
}

/* ==================
   Utility Classes
   ================== */

.no-data {
  text-align: center;
  color: var(--dtc-text-muted);
  padding: 2rem;
  font-style: italic;
}

/* ==================
   Mobile Responsiveness
   ================== */

@media (max-width: 768px) {
  .dtc-enhanced-display {
    padding: 0.5rem;
  }

  .dtc-header-main {
    flex-direction: column;
    gap: 1rem;
  }

  .dtc-code-large {
    font-size: 2rem;
  }

  .dtc-primary-info {
    grid-template-columns: 1fr;
  }

  .dtc-safety-alert {
    flex-direction: column;
    text-align: center;
  }

  .tab-nav {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .dtc-action-buttons {
    flex-direction: column;
  }

  .related-cards {
    grid-template-columns: 1fr;
  }

  .cost-line {
    font-size: 0.875rem;
  }
}

/* ==================
   Print Styles
   ================== */

@media print {
  .dtc-quick-actions,
  .dtc-action-buttons,
  .quick-action-btn,
  .action-complete-btn,
  .dtc-progress-indicator {
    display: none !important;
  }

  .dtc-enhanced-card {
    box-shadow: none;
    border: 1px solid #ccc;
  }

  .tab-panel {
    display: block !important;
    page-break-inside: avoid;
  }

  .tab-nav {
    display: none;
  }
}