/* ==========================================================================
   Radiology Code Semantic Cleaner - Unified Design System
   Healthcare-focused, accessible, and professional styling
   Based on HNZ Priority Decision Support design system
   ========================================================================== */

/* ==========================================================================
   Validation Interface Enhancements
   ========================================================================== */

/* Validation Toolbar - Sticky navigation and controls */
.validation-toolbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.validation-counters {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
}

.counter-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
}

.counter-item .count {
  font-weight: var(--font-weight-bold);
  min-width: 2ch;
}

.counter-item.approved { border-color: var(--color-success); background: var(--color-success-light); }
.counter-item.rejected { border-color: var(--color-danger); background: var(--color-danger-light); }
.counter-item.skipped { border-color: var(--color-warning); background: var(--color-warning-light); }
.counter-item.unapproved { border-color: var(--color-warning); background: var(--color-warning-light); }
.counter-item.pending { border-color: var(--color-info); background: var(--color-info-light); }

.validation-filters {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.filter-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: var(--font-size-sm);
  user-select: none;
}

.filter-toggle:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.filter-toggle.active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-white);
}

.validation-sort {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.sort-select {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.validation-search {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-3);
}

.search-input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

/* Validation Group Headers with enhanced state */
.validation-group-header {
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.validation-group-header:hover {
  box-shadow: 0 4px 12px rgba(0, 90, 156, 0.15);
}

.validation-group-header.expanded {
  background-color: var(--color-primary-light);
  box-shadow: 0 4px 8px rgba(0, 90, 156, 0.2);
}

.expand-icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
  color: var(--color-gray-600);
}

.expand-icon.rotated {
  transform: rotate(90deg);
}

/* Mapping item states */
.mapping-item {
  transition: all 0.2s ease;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.mapping-item.compact {
  padding: var(--space-2) var(--space-3);
}

.mapping-item.is-approved {
  border-color: var(--color-success);
  background: var(--color-success-light);
}

.mapping-item.is-rejected {
  border-color: var(--color-danger);
  background: var(--color-danger-light);
}

.mapping-item.is-skipped {
  border-color: var(--color-warning);
  background: var(--color-warning-light);
}

.mapping-item.focused {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

/* Flag badges with consistent styling */
.flag-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-200);
}

.flag-badge.flag-low-confidence {
  background: var(--color-warning-light);
  color: var(--color-warning-dark);
  border-color: var(--color-warning);
}

.flag-badge.flag-ambiguous {
  background: var(--color-info-light);
  color: var(--color-info-dark);
  border-color: var(--color-info);
}

.flag-badge.flag-singleton {
  background: var(--color-secondary-light);
  color: var(--color-secondary-dark);
  border-color: var(--color-secondary);
}

.flag-badge.flag-secondary {
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
  border-color: var(--color-accent);
}

/* Confidence indicators */
.confidence-pill {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.confidence-pill.confidence-high {
  background: var(--color-success-light);
  color: var(--color-success-dark);
}

.confidence-pill.confidence-medium {
  background: var(--color-warning-light);
  color: var(--color-warning-dark);
}

.confidence-pill.confidence-low {
  background: var(--color-danger-light);
  color: var(--color-danger-dark);
}

.confidence-bar {
  width: 100%;
  height: 4px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.confidence-fill {
  height: 100%;
  transition: width 0.3s ease;
}

.confidence-fill.confidence-high {
  background: var(--color-success);
}

.confidence-fill.confidence-medium {
  background: var(--color-warning);
}

.confidence-fill.confidence-low {
  background: var(--color-danger);
}

/* SNOMED inline display in headers */
.snomed-inline {
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
  background-color: var(--color-gray-100);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  margin-left: var(--space-2);
  font-weight: normal;
}

/* Inline metadata layout */
.mapping-meta-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  margin-bottom: var(--space-3);
}

.meta-item-inline {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.meta-separator {
  color: var(--color-gray-400);
  font-weight: bold;
}

.confidence-inline {
  font-weight: var(--font-weight-medium);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
}

.confidence-inline.confidence-high {
  background-color: #e8f5e8;
  color: white;
}

.confidence-inline.confidence-medium {
  background-color: #fff3e0;
  color: white;
}

.confidence-inline.confidence-low {
  background-color: #ffebee;
  color: white;
}

/* Smaller validation buttons */
.button-sm {
  min-height: 24px;
  min-width: 24px;
}

.validation-header.expanded {
  background-color: var(--color-primary-light);
}

/* ==========================================================================
   Homepage Action Cards & Hero Section
   ========================================================================== */

.action-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  border-color: var(--color-primary) !important;
}

.action-card.selected {
  border-color: var(--color-primary) !important;
  background: rgba(255,255,255,1) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 90, 156, 0.2);
}

.workflow-steps {
  position: sticky;
  top: 20px;
  z-index: 10;
}

.workflow-step {
  transition: all 0.3s ease;
}

.workflow-step.active {
  opacity: 1 !important;
  border-color: var(--color-primary) !important;
  background: var(--color-primary-light) !important;
}

.workflow-step.active h3 {
  color: var(--color-primary) !important;
}

.workflow-step.active h3 span {
  background: var(--color-primary) !important;
  color: white !important;
}

.step.active {
  background: var(--color-primary) !important;
  color: white !important;
}

.step {
  transition: all 0.3s ease;
}

.button.large {
  transition: all 0.2s ease;
}

.button.large:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 90, 156, 0.3);
}

.button.large:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Responsive design for mobile */
@media (max-width: 768px) {
  .action-paths {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    padding: 0 16px;
  }
  
  .action-card {
    padding: 16px !important;
    margin: 0 !important;
  }
  
  .action-card .action-icon {
    font-size: 2em !important;
    margin-bottom: 8px !important;
  }
  
  .action-card h3 {
    font-size: 1.05em !important;
    margin-bottom: 8px !important;
  }
  
  .action-card p {
    font-size: 0.9em !important;
    margin-bottom: 12px !important;
    line-height: 1.4;
  }
  
  /* Fix demo button grid overflow on mobile */
  #demoOptions > div {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
  }
  
  #demoOptions .button.large {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 16px !important;
  }
  
  .action-card .button {
    padding: 10px 16px !important;
    font-size: 0.9em !important;
    border-radius: 6px;
    min-height: 44px; /* iOS touch target minimum */
  }
  
  /* Improve touch targets and interactions */
  .action-card {
    min-height: 120px;
    touch-action: manipulation; /* Prevent double-tap zoom */
  }
  
  .action-card:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
  }
  
  .workflow-steps {
    flex-direction: column;
    gap: 10px;
  }
  
  .step-arrow {
    display: none;
  }
}

/* ==========================================================================
   1. Design System: CSS Custom Properties (Variables)
   ========================================================================== */

:root {
  /* ## Core Brand Colors: Professional Healthcare Palette */
  --color-primary: #005A9C;         /* Deep trustworthy blue */
  --color-primary-light: #E6F0F6;   /* Light blue for backgrounds */
  --color-primary-dark: #003D6B;    /* Darker blue for hover states */
  --color-primary-hover: #004785;   /* Subtle primary hover */
  --color-secondary: #28A7A6;       /* Calming teal for secondary actions */
  --color-secondary-light: #E0F2F1; /* Light teal */
  --color-secondary-hover: #239B9A; /* Subtle secondary hover */
  --color-accent: #F3A800;          /* Warm amber for highlights */
  --color-accent-light: #FFF8E1;    /* Light amber */

  /* ## Neutral Color Scale */
  --color-white: #FFFFFF;
  --color-gray-50: #F8F9FA;         /* Body background */
  --color-gray-100: #F1F3F4;        /* Section backgrounds */
  --color-gray-200: #E9ECEF;        /* Borders, dividers */
  --color-gray-300: #DEE2E6;        /* Input borders */
  --color-gray-400: #CED4DA;        /* Placeholder text */
  --color-gray-500: #ADB5BD;        /* Disabled text */
  --color-gray-600: #6C757D;        /* Secondary text */
  --color-gray-700: #495057;        /* Body text */
  --color-gray-800: #343A40;        /* Headings */
  --color-gray-900: #212529;        /* Primary text */

  /* ## Semantic Colors */
  --color-success: #10B981;         /* Emerald green */
  --color-success-light: #D1FAE5;   
  --color-success-dark: #065F46;    /* Darker green */
  --color-success-hover: #0EA972;   /* Subtle success hover */
  --color-warning: #F59E0B;         /* Amber */
  --color-warning-light: #FEF3C7;   
  --color-warning-dark: #D97706;    /* Darker amber */
  --color-warning-hover: #E9940A;   /* Subtle warning hover */
  --color-danger: #EF4444;          /* Red */
  --color-danger-light: #FEE2E2;    
  --color-danger-dark: #B91C1C;     /* Darker red */
  --color-danger-hover: #E73C3C;    /* Subtle danger hover */
  --color-info: #3B82F6;            /* Blue */
  --color-info-light: #DBEAFE;      
  --color-info-dark: #1E40AF;       /* Darker blue */
  
  /* ## Additional Color Variants */
  --color-secondary-dark: #0F5454;  /* Darker teal */
  --color-accent-dark: #B45309;     /* Darker amber */      

  /* ## Typography Scale */
  --font-family-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-family-body: 'Public-Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;

  /* Font Sizes */
  --font-size-xs: 0.75rem;          /* 12px */
  --font-size-sm: 0.875rem;         /* 14px */
  --font-size-base: 1rem;           /* 16px */
  --font-size-lg: 1.125rem;         /* 18px */
  --font-size-xl: 1.25rem;          /* 20px */
  --font-size-2xl: 1.5rem;          /* 24px */
  --font-size-3xl: 1.875rem;        /* 30px */
  --font-size-4xl: 2.25rem;         /* 36px */

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* ## Spacing Scale */
  --space-0: 0;
  --space-1: 0.25rem;               /* 4px */
  --space-2: 0.5rem;                /* 8px */
  --space-3: 0.75rem;               /* 12px */
  --space-4: 1rem;                  /* 16px */
  --space-5: 1.25rem;               /* 20px */
  --space-6: 1.5rem;                /* 24px */
  --space-8: 2rem;                  /* 32px */
  --space-10: 2.5rem;               /* 40px */
  --space-12: 3rem;                 /* 48px */
  --space-16: 4rem;                 /* 64px */

  /* ## Border Radius */
  --radius-sm: 0.25rem;             /* 4px */
  --radius-base: 0.5rem;            /* 8px */
  --radius-md: 0.625rem;            /* 10px */
  --radius-lg: 0.75rem;             /* 12px */
  --radius-xl: 1rem;                /* 16px */
  --radius-full: 9999px;            /* Fully rounded */

  /* ## Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* ## Focus States */
  --focus-ring: 0 0 0 3px rgba(59, 130, 246, 0.25);
  --focus-ring-primary: 0 0 0 3px rgba(0, 90, 156, 0.25);

  /* ## Transitions */
  --transition-base: all 0.2s ease-in-out;
  --transition-fast: all 0.15s ease-in-out;
  --transition-slow: all 0.3s ease-in-out;

  /* ## Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ==========================================================================
   2. Enhanced Header Styles
   ========================================================================== */

/* App Header */
.app-header {
  margin-bottom: var(--space-6);
  position: sticky;
  top: 0;
  z-index: var(--z-fixed);
  background: var(--color-gray-50);
  padding-bottom: var(--space-2);
}

.brand-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(90deg, #143345 45%, #41236a 100%);
  padding: 0.6em 1em;
  border-radius: 6px;
  box-shadow: var(--shadow-md);
  color: var(--color-white);
  max-width: 1400px;
  margin: 0 auto;
}

.brand-content {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.app-logo {
  height: auto;
  width: 160px;
  margin-right: 1em;
}

.header-divider {
  width: 1px;
  height: 30px;
  background: rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.brand-title {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin: 0;
  line-height: var(--line-height-tight);
}

.brand-subtitle {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
  line-height: var(--line-height-normal);
}

/* Hamburger Menu */
.hamburger-menu {
  position: relative;
}

.hamburger-button {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 10;
}

.hamburger-button:focus {
  outline: none;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 10px;
  transition: all 0.3s linear;
  position: relative;
  transform-origin: 1px;
}

.hamburger-dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  min-width: 240px;
  z-index: var(--z-dropdown);
  overflow: hidden;
}

.dropdown-section {
  padding: var(--space-2) 0;
}

.dropdown-divider {
  height: 1px;
  background-color: var(--color-gray-200);
  margin: var(--space-2) 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700) !important;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-base);
  text-decoration: none;
}

.dropdown-item:hover {
  background-color: var(--color-gray-50);
  color: var(--color-gray-900) !important;
}

.dropdown-item:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
  background-color: var(--color-primary-light);
}

.dropdown-icon {
  font-size: var(--font-size-lg);
  color: var(--color-gray-500);
  width: 20px;
  text-align: center;
}

/* Help Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-overlay.hidden {
  display: none;
}

.modal-container {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  max-width: 90vw;
  max-height: 90vh;
  overflow: hidden;
  z-index: var(--z-modal);
}

.modal-header {
  padding: var(--space-6) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--color-gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  margin: 0;
  font-family: var(--font-family-primary);
  font-size: var(--font-size-xl);
  color: var(--color-gray-900);
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--color-gray-400);
  cursor: pointer;
  padding: var(--space-2);
  line-height: 1;
}

.modal-close:hover {
  color: var(--color-gray-600);
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-gray-200);
  display: flex;
  justify-content: flex-end;
}

.help-modal {
  max-width: 900px;
  width: 90%;
  max-height: 80vh;
}

.help-content {
  max-height: 60vh;
  overflow-y: auto;
  padding: var(--space-4);
}

.help-text {
  font-family: var(--font-family-body);
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-700);
}

.help-text h1 {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-2xl);
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-primary);
}

.help-text h2 {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-xl);
  color: var(--color-gray-800);
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-gray-200);
}

.help-text h3 {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-lg);
  color: var(--color-gray-800);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.help-text h4 {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-semibold);
}

/* Architecture Modal Specific Styling */
.architecture-modal .modal-container {
  max-width: 90vw;
  max-height: 90vh;
  width: 1200px;
}

.architecture-content {
  max-height: 70vh;
  overflow-y: auto;
  padding: var(--space-4);
}

.architecture-text {
  font-family: var(--font-family-body);
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-700);
}

.architecture-text h1 {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 3px solid var(--color-primary);
}

.architecture-text h2 {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-2xl);
  color: var(--color-gray-900);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-secondary);
}

.architecture-text h3 {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-xl);
  color: var(--color-gray-800);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  padding-left: var(--space-2);
  border-left: 4px solid var(--color-accent);
}

.architecture-text h4 {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-lg);
  color: var(--color-gray-700);
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-semibold);
}

.architecture-text p {
  margin-bottom: var(--space-4);
  text-align: justify;
}

.architecture-text ul, .architecture-text ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.architecture-text li {
  margin-bottom: var(--space-2);
}

.architecture-text code {
  background-color: var(--color-gray-100);
  color: var(--color-primary-dark);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-family-mono);
  font-size: 0.9em;
}

.architecture-text pre {
  background-color: var(--color-gray-100);
  color: var(--color-gray-800);
  padding: var(--space-4);
  border-radius: var(--radius-base);
  overflow-x: auto;
  margin-bottom: var(--space-4);
  font-family: var(--font-family-mono);
  border-left: 4px solid var(--color-primary);
}

.architecture-text strong {
  color: var(--color-gray-900);
  font-weight: var(--font-weight-semibold);
}

.architecture-text em {
  color: var(--color-secondary);
  font-style: italic;
}

.help-text p {
  margin-bottom: var(--space-4);
  color: var(--color-gray-700);
}

.help-text ul, .help-text ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.help-text li {
  margin-bottom: var(--space-2);
  color: var(--color-gray-700);
}

.help-text code {
  background: var(--color-gray-100);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  color: var(--color-gray-800);
}

.help-text pre {
  background: var(--color-gray-100);
  padding: var(--space-4);
  border-radius: var(--radius-base);
  overflow-x: auto;
  margin-bottom: var(--space-4);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  color: var(--color-gray-800);
}

.help-text blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--space-4);
  margin: var(--space-4) 0;
  color: var(--color-gray-600);
  font-style: italic;
}

.help-text table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-4);
}

.help-text th, .help-text td {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-gray-200);
  text-align: left;
}

.help-text th {
  background: var(--color-gray-100);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
}

/* Responsive Design */
@media (max-width: 768px) {
  .brand-bar {
    padding: 0.8em 1.2em;
  }
  
  .brand-content {
    gap: var(--space-2);
    flex: 1;
    min-width: 0; /* Allow shrinking */
  }
  
  .app-logo {
    width: 100px;
    height: 32px;
    flex-shrink: 0;
  }
  
  .brand-text {
    min-width: 0; /* Allow shrinking */
    overflow: hidden;
  }
  
  .brand-title {
    font-size: var(--font-size-lg);
    word-wrap: break-word;
    overflow-wrap: break-word;
  }
  
  .brand-subtitle {
    font-size: var(--font-size-xs);
    word-wrap: break-word;
    overflow-wrap: break-word;
  }
  
  .header-divider {
    height: 24px;
    display: none; /* Hide divider on mobile to save space */
  }
}

/* Extra small mobile screens */
@media (max-width: 480px) {
  .brand-bar {
    padding: 0.6em 1em;
  }
  
  .brand-content {
    gap: var(--space-1);
  }
  
  .app-logo {
    width: 80px;
    height: 26px;
  }
  
  /* Action cards optimized for small screens */
  .action-paths {
    padding: 0 12px !important;
    gap: 12px !important;
  }
  
  .action-card {
    padding: 14px !important;
    border-radius: 8px !important;
  }
  
  .action-card .action-icon {
    font-size: 1.8em !important;
  }
  
  .action-card h3 {
    font-size: 1em !important;
  }
  
  .action-card p {
    font-size: 0.85em !important;
    margin-bottom: 10px !important;
  }
  
  .action-card .button {
    padding: 8px 12px !important;
    font-size: 0.85em !important;
  }
  
  .brand-title {
    font-size: var(--font-size-base);
    line-height: 1.2;
  }
  
  .brand-subtitle {
    font-size: var(--font-size-xs);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

/* Portrait orientation adjustments */
@media (max-width: 390px) {
  .brand-bar {
    padding: 0.5em 0.8em;
  }
  
  .brand-content {
    gap: var(--space-1);
  }
  
  .app-logo {
    width: 70px;
    height: 22px;
  }
  
  .brand-title {
    font-size: var(--font-size-sm);
    line-height: 1.1;
  }
  
  .brand-subtitle {
    font-size: 11px;
    line-height: 1.2;
  }
  
  /* Hamburger menu adjustments for very small screens */
  .hamburger-button {
    width: 20px;
    height: 20px;
  }
  
  .hamburger-line {
    width: 20px;
  }
  
  .help-modal {
    width: 95%;
    max-height: 90vh;
  }
  
  .help-content {
    padding: var(--space-2);
  }
}

/* ==========================================================================
   3. Base Styles & Reset
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-gray-700);
  background: var(--color-gray-50);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Reset */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-gray-800);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin: 0 0 var(--space-4) 0;
  line-height: var(--line-height-relaxed);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   3. Layout Components
   ========================================================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-8);
}

/* ==========================================================================
   4. Application-Specific Layout
   ========================================================================== */

/* Header Styling */
.header {
  text-align: center;
  color: var(--color-white);
  margin-bottom: var(--space-12);
}

.header h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
  color: var(--color-white);
}

.header p {
  font-size: var(--font-size-xl);
  opacity: 0.9;
  margin-bottom: 0;
}

/* Main Card */
.main-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-8);
  margin-bottom: var(--space-8);
}

/* ==========================================================================
   5. Card Components
   ========================================================================== */

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-gray-200);
  background-color: var(--color-gray-50);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--color-gray-200);
  background-color: var(--color-gray-50);
}

/* ==========================================================================
   6. Button Components
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  border: 1px solid transparent;
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: var(--transition-base);
  padding: var(--space-3) var(--space-4);
}

.btn:disabled,
.btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* Loading disabled state for buttons and action cards */
.loading-disabled {
  opacity: 0.5 !important;
  cursor: not-allowed !important;
  position: relative;
}

.loading-disabled::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: inherit;
  backdrop-filter: blur(1px);
  z-index: 1;
}

.action-card.loading-disabled {
  background-color: var(--color-gray-50) !important;
  border-color: var(--color-gray-200) !important;
  box-shadow: none !important;
}

.action-card.loading-disabled .card-title {
  color: var(--color-gray-400) !important;
}

.action-card.loading-disabled .card-description {
  color: var(--color-gray-400) !important;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-primary);
}

/* Button Variants */
.btn-primary {
  color: var(--color-white);
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  color: var(--color-white);
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-secondary-hover);
  border-color: var(--color-secondary-hover);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-success {
  color: var(--color-white);
  background-color: var(--color-success);
  border-color: var(--color-success);
}

.btn-success:hover:not(:disabled) {
  background-color: var(--color-success-hover);
  border-color: var(--color-success-hover);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Legacy button classes for compatibility, now based on .btn foundation */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  border: 1px solid transparent;
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: var(--transition-base);
  padding: var(--space-3) var(--space-4);
  color: var(--color-white);
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.button:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.button:disabled,
.button.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  pointer-events: none;
}

.button.primary {
    /* Base .button is styled as primary, this is for specificity */
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.button.primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.button.secondary {
  color: var(--color-white);
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.button.secondary:hover:not(:disabled) {
  background-color: var(--color-secondary-hover);
  border-color: var(--color-secondary-hover);
}

.button.success {
  color: var(--color-white);
  background-color: var(--color-success);
  border-color: var(--color-success);
}

.button.success:hover:not(:disabled) {
  background-color: var(--color-success-hover);
  border-color: var(--color-success-hover);
}

/* Button variant styles for mapping actions */
.button-success {
  color: var(--color-white);
  background-color: var(--color-success);
  border-color: var(--color-success);
}

.button-success:hover:not(:disabled) {
  background-color: var(--color-success-hover);
  border-color: var(--color-success-hover);
}

.button-danger {
  color: var(--color-white);
  background-color: var(--color-danger);
  border-color: var(--color-danger);
}

.button-danger:hover:not(:disabled) {
  background-color: var(--color-danger-hover);
  border-color: var(--color-danger-hover);
}

.button-warning {
  color: var(--color-white);
  background-color: var(--color-warning);
  border-color: var(--color-warning);
}

.button-warning:hover:not(:disabled) {
  background-color: var(--color-warning-hover);
  border-color: var(--color-warning-hover);
}

.button-secondary {
  color: var(--color-white);
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.button-secondary:hover:not(:disabled) {
  background-color: var(--color-secondary-hover);
  border-color: var(--color-secondary-hover);
}

/* New Upload Button - Distinctive Orange/Coral Tint */
.button.new-upload {
  background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
  border-color: #FF6B6B;
  color: white;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
  transition: all 0.3s ease;
}

.button.new-upload:hover:not(:disabled) {
  background: linear-gradient(135deg, #FF5252 0%, #FF7043 100%);
  border-color: #FF5252;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 107, 107, 0.4);
}

.button.new-upload:active {
  transform: translateY(0px);
  box-shadow: 0 2px 6px rgba(255, 107, 107, 0.3);
}

/* Pagination and Table Controls */
.table-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  padding: var(--space-3);
  background: var(--color-gray-50);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-gray-200);
}

.table-info {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  font-weight: 500;
}

.pagination-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  margin-top: var(--space-4);
  background: var(--color-gray-50);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-gray-200);
}

.page-info {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  font-weight: 500;
  min-width: 120px;
  text-align: center;
}

.page-size-selector {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background: white;
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
}

.page-size-selector:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -1px;
  border-color: var(--color-primary);
}

/* ==========================================================================
   7. Form Components
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.form-control {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-gray-700);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-base);
  transition: var(--transition-base);
  appearance: none;
}

.form-control::placeholder {
  color: var(--color-gray-400);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring-primary);
}

.form-control:disabled {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-200);
  color: var(--color-gray-500);
  cursor: not-allowed;
}

/* ==========================================================================
   8. Upload Section
   ========================================================================== */

.upload-section {
  text-align: center;
  padding: var(--space-12);
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-base);
  transition: var(--transition-base);
  cursor: pointer;
}

.upload-section:hover,
.upload-section.dragover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.upload-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

/* ==========================================================================
   9. Statistics Grid
   ========================================================================== */

.stats-grid {
  display: grid;
  /* smaller minimum width so more cards fit per row */
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  /* tighter gap for denser layout */
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.stat-card {
  background: var(--color-gray-50);
  /* reduce internal padding */
  padding: var(--space-4);
  border-radius: var(--radius-base);
  text-align: center;
  border: 1px solid var(--color-gray-200);
  transition: var(--transition-base);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
}

.stat-value {
  /* slightly smaller value font to fit compact card */
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.stat-label {
  /* smaller label text */
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   10. Results Section & Tables
   ========================================================================== */

.results-section {
  margin-top: var(--space-8);
  display: none;
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
}

.results-table th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-3);
  text-align: left;
  position: sticky;
  top: 0;
  font-weight: var(--font-weight-semibold);
  z-index: var(--z-sticky);
}

.results-table td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-gray-200);
}

.results-table tr:hover {
  background: var(--color-gray-50);
}

.table-container {
  max-height: 600px;
  overflow-y: auto;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-base);
}

/* Mobile card-based table layout */
.results-table-mobile {
  display: none; /* Hidden by default, shown on mobile */
}

.result-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-base);
  margin-bottom: var(--space-3);
  padding: var(--space-4);
  box-shadow: var(--shadow-base);
}

.result-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-3);
  gap: var(--space-2);
}

.result-card-title {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  color: var(--color-primary);
  flex-grow: 1;
}

/* Updated 2025-01-27: Mobile confidence badges */
.result-card-confidence {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  min-width: 48px;
  text-align: center;
}

.result-card-confidence.confidence-high {
  background: var(--color-success-light) !important;
  color: var(--color-success) !important;
}

.result-card-confidence.confidence-medium {
  background: var(--color-warning-light) !important;
  color: var(--color-warning-dark) !important;
}

.result-card-confidence.confidence-low {
  background: var(--color-danger-light) !important;
  color: var(--color-danger) !important;
}

.result-card-body {
  display: grid;
  gap: var(--space-2);
}

.result-card-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--space-1) 0;
  border-bottom: 1px solid var(--color-gray-100);
  gap: var(--space-2);
}

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

.result-card-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  font-weight: var(--font-weight-medium);
  flex-shrink: 0;
  min-width: 80px;
}

.result-card-value {
  font-size: var(--font-size-sm);
  color: var(--color-gray-800);
  text-align: right;
  word-break: break-word;
}

/* Add extra padding under the mapping title */
#fullView h3 {
  margin-bottom: var(--space-6);
}

/* ==========================================================================
   11. Tags & Badges
   ========================================================================== */

.tag {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  background: var(--color-info-light);
  color: var(--color-info);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  margin: var(--space-1);
  font-weight: var(--font-weight-medium);
}

.tag.anatomy {
  background: var(--color-success-light);
  color: var(--color-success);
}

.tag.laterality {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.tag.contrast {
  background: #e3f2fd;
  color: #1565c0;
}

.tag.technique {
  background: #f3e5f5;
  color: #7b1fa2;
}

.tag.gender {
  background: #e1f5fe;
  color: #0277bd;
}

.tag.age {
  background: #fce4ec;
  color: #c2185b;
}

.tag.clinical {
  background: #fff8e1;
  color: #ff8f00;
}

.tag.equivalent {
  background: #f1f8e9;
  color: #689f38;
}

/* ==========================================================================
   12. Confidence Bars
   ========================================================================== */

.confidence-bar {
  display: inline-block;
  width: 50px;
  height: 10px;
  background: var(--color-gray-200);
  border-radius: var(--radius-sm);
  position: relative;
}

.confidence-fill {
  height: 100%;
  background: var(--color-success);
  border-radius: var(--radius-sm);
}

.confidence-low {
  background: var(--color-danger) !important;
}

.confidence-medium {
  background: var(--color-warning) !important;
}

.confidence-high {
  background: var(--color-success) !important;
}

/* ==========================================================================
   13. [DEPRECATED] Consolidated Results - styles left for compatibility
   Note: Consolidated Results view removed in issue #137 but styles kept
   to avoid breaking other components. These can be safely removed in future.
   ========================================================================== */

.consolidated-group {
  background: var(--color-white);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-base);
  margin-bottom: var(--space-4);
  border: none;
  transition: box-shadow var(--transition-fast);
}

.consolidated-group:hover {
  box-shadow: var(--shadow-md);
}

.consolidated-header {
  background: var(--color-gray-50);
  color: var(--color-gray-800);
  padding: var(--space-3) var(--space-4);
  display: block;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
  position: relative;
}

.consolidated-header:hover {
  background: var(--color-gray-100);
  box-shadow: 0 4px 8px rgba(0, 90, 156, 0.15);
  border: 1px solid var(--color-primary-200);
}

.consolidated-title-container {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-grow: 1;
}

.consolidated-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin: 0;
  line-height: 1.2;
}

.snomed-code {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  background-color: var(--color-gray-100);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-200);
}

.consolidated-count-container {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.consolidated-count {
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
}

.consolidated-snomed {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.consolidated-sources {
  display: flex;
  gap: var(--space-1);
  align-items: center;
}

.consolidated-confidence {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.expand-icon {
  width: 18px;
  height: 18px;
  transition: all var(--transition-fast);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23005A9C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.7;
  position: relative;
}

.expand-icon::after {
  content: '';
  position: absolute;
  top: -8px;
  right: -8px;
  bottom: -8px;
  left: -8px;
  border-radius: 50%;
  background: transparent;
  transition: all var(--transition-fast);
}

.consolidated-header:hover .expand-icon {
  opacity: 1;
  transform: scale(1.1);
}

.consolidated-header:hover .expand-icon::after {
  background: rgba(0, 90, 156, 0.08);
}

/* Add subtle "click to expand" hint */

.consolidated-header::before {
  content: 'Click to expand';
  position: absolute;
  top: -30px;
  right: 0;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 1000;
}

.consolidated-header.expanded::before {
  content: 'Click to collapse';
}

.consolidated-header:hover::before {
  opacity: 1;
}

.consolidated-header.expanded .expand-icon {
  transform: rotate(180deg);
}

.consolidated-body {
  padding: var(--space-4);
  background-color: var(--color-white);
}

.consolidated-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  padding: var(--space-3);
  background: var(--color-gray-50);
  border-radius: var(--radius-base);
}

.original-codes-container {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-200);
}

.original-codes-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 250px;
  overflow-y: auto;
}

.original-code-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.original-code-item:hover {
  background-color: var(--color-gray-50);
}

.original-code-source {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.original-code-name {
  flex-grow: 1;
  font-size: var(--font-size-sm);
  color: var(--color-gray-800);
}

.original-code-details {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

.meta-row {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0; /* Allow items to shrink in grid */
  text-align: left;
}

.source-indicators {
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.source-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
}

.source-color-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.source-indicator {
  color: white;
  padding: 2px var(--space-1);
  border-radius: var(--radius-base);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  min-width: 24px;
  text-align: center;
}

.modality-list {
  font-family: var(--font-mono);
  color: var(--color-gray-700);
}

.methodology-badge {
  background: var(--color-info-light);
  color: var(--color-info);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-base);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border: 1px solid var(--color-info);
}

.confidence-display {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.confidence-bar {
  width: 80px;
  height: 8px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.confidence-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

.confidence-fill.confidence-high {
  background: var(--color-success);
}

.confidence-fill.confidence-medium {
  background: var(--color-warning);
}

.confidence-fill.confidence-low {
  background: var(--color-danger);
}

.confidence-text {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
  min-width: 35px;
}

.secondary-pipeline-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 2px 6px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 600;
  margin-left: 6px;
  white-space: nowrap;
  text-shadow: 0 1px 1px rgba(0,0,0,0.2);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.secondary-pipeline-tag i {
  font-size: 9px;
}

.consolidated-components {
  margin-bottom: var(--space-4);
}

.components-label {
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
}

.component-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.no-components {
  color: var(--color-gray-500);
  font-style: italic;
  font-size: var(--font-size-sm);
}

.source-codes {
  margin-top: var(--space-2);
}

.source-codes-label {
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
}

.source-group {
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-base);
  overflow: hidden;
}

.source-group-header {
  background: var(--color-gray-50);
  padding: var(--space-2) var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  border-bottom: 1px solid var(--color-gray-200);
}

.source-group-header .source-indicator {
  width: 16px;
  height: 16px;
  border-radius: var(--radius-base);
  display: inline-block;
}

.source-name {
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
}

.source-group-codes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2);
  padding: var(--space-3);
}

.source-codes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-2);
  padding: var(--space-3);
}

.source-code-compact {
  background: var(--color-white);
  padding: var(--space-3);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-gray-200);
  transition: all 0.2s ease;
}

.source-code-compact:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.source-code {
  background: var(--color-white);
  padding: var(--space-3);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-gray-200);
  transition: all 0.2s ease;
}

.source-code:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.source-code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.exam-code {
  font-family: var(--font-mono);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
}

.confidence-mini {
  background: var(--color-gray-100);
  color: var(--color-gray-600);
  padding: 2px var(--space-1);
  border-radius: var(--radius-base);
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
}

.source-code-name {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.source-code-source {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
  font-style: italic;
}

/* ==========================================================================
   14. View Toggle & Progress
   ========================================================================== */

.view-toggle {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: nowrap;
}

.view-toggle button.active {
  background: var(--color-primary);
  color: var(--color-white);
}

/* Model Toggle */
.model-settings-section .toggle-group {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Model Toggle Buttons - Enhanced Visual Design */
.model-toggle, .reranker-toggle {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid var(--color-gray-300);
  background-color: var(--color-white);
  color: var(--color-gray-700);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 0.9em;
  font-weight: 500;
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

/* Add subtle shine effect */
.model-toggle::before, .reranker-toggle::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.5s ease;
}

/* Active state - primary brand color with stronger visual emphasis */
.model-toggle.active, .reranker-toggle.active {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  font-weight: 600;
  transform: translateY(-1px);
}

/* Shine effect on active */
.model-toggle.active::before, .reranker-toggle.active::before {
  left: 100%;
}

/* Hover state for inactive buttons - more prominent */
.model-toggle:hover:not(.active):not(:disabled), .reranker-toggle:hover:not(.active):not(:disabled) {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Hover state for active button - darker with glow */
.model-toggle.active:hover, .reranker-toggle.active:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Disabled/unavailable state - clearly inactive */
.model-toggle:disabled, .reranker-toggle:disabled {
  background-color: var(--color-gray-100);
  color: var(--color-gray-400);
  border-color: var(--color-gray-200);
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
  box-shadow: none;
}

/* Model Status Indicators */
.model-status {
  font-size: 0.8em;
  font-weight: 600;
  line-height: 1;
}
.model-status.available {
  color: var(--color-success);
}
.model-status.unavailable {
  color: var(--color-warning);
}
.model-toggle:disabled .model-status.unavailable {
  color: var(--color-gray-400);
}

.model-name {
  font-weight: 500;
}

.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-top: var(--space-4);
  display: block;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width 0.3s ease;
}

/* ==========================================================================
   14.a  Enhanced Status Messaging System
   ========================================================================== */

/* Container that holds the live status messages stacked vertically */
.status-message-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: var(--space-4) 0;
}

/* Generic message shell – colours are injected inline from JS but we
   still include sensible fall-backs here so HTML-only render is graceful */
.status-message {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-800);
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-300);
  box-shadow: var(--shadow-sm);
  animation: statusFadeIn 0.25s ease-out;
  position: relative;
}

.status-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.status-close {
  background: none;
  border: none;
  font-size: var(--font-size-lg);
  line-height: 1;
  cursor: pointer;
  color: var(--color-gray-500);
  position: absolute;
  top: var(--space-1);
  right: var(--space-2);
  transition: color 0.2s ease;
}
.status-close:hover { color: var(--color-gray-700); }

/* Spinner used for network / progress states */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-primary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Inline progress bar (inside a status message) */
.status-progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-top: var(--space-2);
}

.status-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

/* Animations */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes statusFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes statusFadeOut {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-6px); }
}

/* ==========================================================================
   14. Source Indicators
   ========================================================================== */

.source-legend {
  margin: 1rem 0;
  padding: 1rem;
  background-color: var(--color-gray-50);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-gray-200);
}

.source-legend h4 {
  margin: 0 0 0.5rem 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
}

.source-legend-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(150px, 1fr));
  gap: 0.5rem;
}

/* Mobile responsive fix for source legend */
@media (max-width: 768px) {
  .source-legend-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr)) !important;
    gap: 0.4rem !important;
  }
}

@media (max-width: 480px) {
  .source-legend-grid {
    grid-template-columns: 1fr !important;
    gap: 0.3rem !important;
  }
  
  .source-legend-item {
    font-size: 0.8rem !important;
  }
}

.source-legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.source-legend-color {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

/* Table source indicator styling */
.results-table tbody tr td:first-child {
  border-right: 1px solid var(--color-gray-200);
}

.results-table tbody tr:hover td:first-child {
  opacity: 0.8;
}

/* ==========================================================================
   15. Action Buttons & File Info
   ========================================================================== */

.action-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin: var(--space-8) 0;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .action-buttons {
    gap: var(--space-2);
    flex-wrap: wrap;
  }
  
  .action-buttons .button {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    min-width: 100px;
  }
}

@media (max-width: 500px) {
  .action-buttons {
    gap: var(--space-2);
    flex-direction: column;
  }
  
  .action-buttons .button {
    width: 100%;
    justify-content: center;
  }
}

.file-info {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--color-gray-50);
  border-radius: var(--radius-base);
  display: none;
}

/* ==========================================================================
   16. Examples & Consolidation
   ========================================================================== */

.consolidation-examples {
  margin-top: var(--space-8);
}

.example-card {
  background: var(--color-gray-50);
  padding: var(--space-4);
  border-radius: var(--radius-base);
  margin-bottom: var(--space-4);
  border-left: 4px solid var(--color-primary);
}

.example-card h4 {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.original-codes {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-left: var(--space-4);
}

/* ==========================================================================
   17. Modal Components
   ========================================================================== */

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--radius-base);
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
}

.close-modal {
  float: right;
  font-size: var(--font-size-2xl);
  cursor: pointer;
  color: var(--color-gray-600);
}

.close-modal:hover {
  color: var(--color-gray-800);
}

.error-message {
  color: var(--color-danger);
  font-weight: var(--font-weight-bold);
}


/* ==========================================================================
   19. Utility Classes
   ========================================================================== */

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

.invisible {
  visibility: hidden;
}

/* Text Utilities */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-normal { font-weight: var(--font-weight-normal); }
.text-medium { font-weight: var(--font-weight-medium); }
.text-semibold { font-weight: var(--font-weight-semibold); }
.text-bold { font-weight: var(--font-weight-bold); }

/* Color Utilities */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-gray-500 { color: var(--color-gray-500); }
.text-gray-600 { color: var(--color-gray-600); }
.text-gray-700 { color: var(--color-gray-700); }
.text-gray-800 { color: var(--color-gray-800); }

/* Background Utilities */
.bg-white { background-color: var(--color-white); }
.bg-gray-50 { background-color: var(--color-gray-50); }
.bg-gray-100 { background-color: var(--color-gray-100); }
.bg-primary { background-color: var(--color-primary); }
.bg-primary-light { background-color: var(--color-primary-light); }

/* Spacing Utilities */
.m-0 { margin: var(--space-0); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.p-0 { padding: var(--space-0); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.pt-4 { padding-top: var(--space-4); }
.pb-4 { padding-bottom: var(--space-4); }

/* Border Utilities */
.border { border: 1px solid var(--color-gray-200); }
.border-primary { border-color: var(--color-primary); }
.border-success { border-color: var(--color-success); }
.border-warning { border-color: var(--color-warning); }
.border-danger { border-color: var(--color-danger); }

.rounded { border-radius: var(--radius-base); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

/* Shadow Utilities */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Width/Height Utilities */
.w-full { width: 100%; }
.h-full { height: 100%; }

/* ==========================================================================
   20. Responsive Design
   ========================================================================== */

/* Model Selection Mobile Styles */
@media (max-width: 768px) {
  .model-wrapper, .reranker-wrapper {
    flex-direction: column !important;
    gap: 8px !important;
    align-items: stretch !important;
    margin-bottom: 15px !important;
  }
  
  .model-toggle, .reranker-toggle {
    min-width: unset !important;
    width: 100% !important;
    flex-shrink: unset !important;
    padding: 12px 16px !important;
    font-size: 14px !important;
  }
  
  .model-description, .reranker-description {
    width: 100% !important;
    margin-top: 5px !important;
    padding: 10px 12px !important;
    font-size: 12px !important;
    line-height: 1.4 !important;
  }
  
  /* Mobile-friendly table controls */
  .table-controls {
    flex-direction: column;
    gap: var(--space-2);
    align-items: stretch;
  }
  
  .table-controls select {
    width: 100%;
  }
  
  .table-info {
    text-align: center;
  }
  
  /* Hide table on mobile, show card layout instead */
  .table-container {
    display: none;
  }
  
  .results-table-mobile {
    display: block;
  }
  
  /* Consolidated view mobile improvements */
  .consolidated-controls {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .consolidated-controls input,
  .consolidated-controls select {
    width: 100% !important;
    margin-left: 0 !important;
  }
}

@media (max-width: 480px) {
  .model-wrapper, .reranker-wrapper {
    margin-bottom: 12px !important;
  }
  
  .model-toggle, .reranker-toggle {
    padding: 10px 14px !important;
    font-size: 13px !important;
  }
  
  .model-description, .reranker-description {
    padding: 8px 10px !important;
    font-size: 11px !important;
  }
}

@media (max-width: 768px) {
  .container {
    padding: var(--space-4);
  }
  
  .modal-content {
    margin: var(--space-4);
    max-height: calc(100vh - var(--space-8));
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .btn {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
  }
  
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }
  
  .source-codes {
    grid-template-columns: 1fr;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .consolidated-header {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }
  
  .consolidated-title-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-2);
  }
  
  .consolidated-count-container {
    flex-direction: column;
    gap: var(--space-2);
    align-items: center;
  }
  
  .consolidated-meta {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
  
  .consolidated-body {
    padding: var(--space-3);
  }
  
  /* Pagination controls mobile improvements */
  .pagination-controls {
    flex-direction: column;
    gap: var(--space-3);
    align-items: center;
  }
  
  .page-info {
    order: -1; /* Show page info first on mobile */
    text-align: center;
  }
  
  .pagination-controls button {
    min-width: 120px;
  }
  
  .page-size-selector {
    width: 100%;
    max-width: 200px;
  }
}

/* ==========================================================================
   21. Print Styles
   ========================================================================== */

@media print {
  .modal,
  .btn,
  .button {
    display: none;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid var(--color-gray-300);
  }
  
  body {
    background: white;
    font-size: 12pt;
  }
}

/* ==========================================================================
   22. Radiology App Specific Styles (moved from inline)
   ========================================================================== */

/* App-specific overrides for legacy compatibility */
#fileInput { 
  display: none; 
}

/* Sanity test specific styles */
.file-details.error {
  border-left: 4px solid #dc3545;
  background-color: #f8d7da;
  color: #721c24;
}

/* Specific color overrides for the radiology app branding */
.stat-value { 
  color: var(--color-primary); 
}

/* ==========================================================================
   23. Tooltip Styles for Candidates Display
   ========================================================================== */

.tooltip-container {
  position: relative;
  display: inline-block;
}

.clean-name-hover {
  cursor: help;
  border-bottom: 1px dotted var(--color-gray-400);
}

.tooltip-content {
  visibility: hidden;
  opacity: 0;
  position: fixed;
  background-color: var(--color-gray-900);
  color: var(--color-white);
  padding: var(--space-3);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-tooltip);
  min-width: 300px;
  max-width: 400px;
  transition: opacity 0.3s, visibility 0.3s;
  pointer-events: none;
}

.tooltip-content::after {
  content: "";
  position: absolute;
  top: 50%;
  left: -5px;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-right-color: var(--color-gray-900);
}

.tooltip-container:hover .tooltip-content {
  visibility: visible;
  opacity: 1;
}

.tooltip-header {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-gray-600);
  padding-bottom: var(--space-1);
}

.candidate-item {
  padding: var(--space-1) 0;
  font-size: var(--font-size-xs);
  line-height: 1.4;
}

.candidate-item .confidence {
  color: var(--color-gray-300);
  font-weight: var(--font-weight-medium);
}

/* ==========================================================================
   15. Validation Interface Styles
   ========================================================================== */

/* Validation Header */
.validation-header {
  background: var(--color-white);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-base);
  margin-bottom: var(--space-6);
  border: none;
  padding: var(--space-6);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.validation-header:hover {
  box-shadow: 0 4px 12px rgba(0, 90, 156, 0.15);
  border: 1px solid var(--color-primary-200);
}

.validation-title-container {
  margin-bottom: var(--space-4);
}

.validation-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin: 0 0 var(--space-2) 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.validation-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
  margin: 0;
}

/* Validation Statistics */
.validation-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.stat-item {
  background: var(--color-gray-50);
  border-radius: var(--radius-base);
  padding: var(--space-4);
  text-align: center;
  border: 1px solid var(--color-gray-200);
}

.stat-number {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  font-weight: var(--font-weight-medium);
}

.stat-total .stat-number { color: var(--color-primary); }
.stat-groups .stat-number { color: var(--color-success); }
.stat-flagged .stat-number { color: var(--color-warning); }
.stat-ambiguous .stat-number { color: var(--color-danger); }

/* Validation Controls */
.validation-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.control-group {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.control-info {
  background: var(--color-blue-50);
  border: 1px solid var(--color-blue-200);
  border-radius: var(--radius-base);
  padding: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-blue-700);
}

/* Validation Groups Container */
.validation-groups-container {
  margin-bottom: var(--space-6);
}

/* Validation Group - Primary container */
.validation-group {
  margin-bottom: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  background: var(--color-white);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: all 0.2s ease;
}

.validation-group:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  border-color: var(--color-gray-300);
}

.validation-group.validation-flagged {
  border-left: 4px solid var(--color-warning);
  background: var(--color-warning-lighter);
}

/* Validation Body - Container for child mappings */
.validation-body {
  border-top: 1px solid var(--color-gray-200);
  background: var(--color-gray-50);
  padding: var(--space-4);
  margin: 0;
}

/* Validation Group Controls */
.validation-controls-inline {
  display: flex;
  gap: 8px;
  flex-grow: 1;
  justify-content: space-between; /* Spread icons across container */
  align-items: center;
}

/* [DEPRECATED] Right-align validation controls (consolidated headers removed) */
.validation-header .validation-controls-inline {
  margin-left: auto;
}

.group-decision-select {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-300);
  font-size: var(--font-size-sm);
  background: var(--color-white);
  transition: border-color 0.2s ease;
}

.group-decision-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.singleton-badge {
  background: var(--color-blue-100);
  color: var(--color-blue-700);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.flagged-count {
  background: var(--color-warning-light);
  color: var(--color-warning-dark);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

/* Validation Mappings */
.validation-mappings-container {
  max-height: 500px;
  overflow-y: auto;
  background: var(--color-gray-50);
  border-radius: var(--radius-base);
  padding: var(--space-4);
}

.validation-mapping-item {
  background: var(--color-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-200);
  margin-bottom: var(--space-3);
  margin-left: var(--space-4);
  position: relative;
  transition: all 0.2s ease;
}

/* Add visual connection line for child mappings */
.validation-mapping-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-4));
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-primary-200);
  border-radius: 0 2px 2px 0;
}

.validation-mapping-item:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
  border-color: var(--color-primary-300);
}

.validation-mapping-item:hover::before {
  background: var(--color-primary);
}

.validation-mapping-item.mapping-flagged {
  border-color: var(--color-warning);
  background: var(--color-warning-lighter);
}

.validation-mapping-item.mapping-flagged::before {
  background: var(--color-warning);
}

.mapping-content {
  padding: var(--space-3) var(--space-4);
}

.mapping-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-2);
}

.mapping-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  margin: 0;
  line-height: 1.3;
}

.mapping-actions {
  display: flex;
  gap: var(--space-2);
}

.mapping-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mapping-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
}

.mapping-meta .meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-gray-600);
}

.mapping-meta .meta-item i {
  color: var(--color-gray-500);
  width: 16px;
}

.mapping-flags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Status badges for approval state */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  margin-left: var(--space-2);
}

.status-badge.status-approved {
  background: var(--color-success-light);
  color: var(--color-success-dark);
  border: 1px solid var(--color-success);
}

.status-badge.status-rejected {
  background: var(--color-danger-light);
  color: var(--color-danger-dark);
  border: 1px solid var(--color-danger);
}

.status-badge.status-pending {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-300);
}

.status-badge.status-unapproved {
  background: var(--color-warning-light);
  color: var(--color-warning-dark);
  border: 1px solid var(--color-warning);
}

.status-badge.status-skipped {
  background: var(--color-info-light);
  color: var(--color-info-dark);
  border: 1px solid var(--color-info);
}

/* Mapping state styling */
.validation-mapping-item.mapping-approved {
  border-color: var(--color-success);
  background: var(--color-success-lighter);
}

.validation-mapping-item.mapping-approved::before {
  background: var(--color-success);
}

.validation-mapping-item.mapping-rejected {
  border-color: var(--color-danger);
  background: var(--color-danger-lighter);
}

.validation-mapping-item.mapping-rejected::before {
  background: var(--color-danger);
}

/* Notes display */
.mapping-notes {
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-base);
  padding: var(--space-3);
}

.notes-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
}

.notes-content {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.mapping-reasoning {
  background: var(--color-blue-50);
  border: 1px solid var(--color-blue-200);
  border-radius: var(--radius-base);
  padding: var(--space-3);
}

.reasoning-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  color: var(--color-blue-700);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.reasoning-content {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  line-height: 1.5;
}

/* Validation Actions */
.validation-actions {
  background: var(--color-white);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-base);
  border: 1px solid var(--color-gray-200);
  padding: var(--space-6);
}

.action-group {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}

.flag-badge {
  background: #ffecb3;
  color: #e65100;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
  margin-right: 4px;
  display: inline-block;
  font-weight: 500;
}

.flag-low_confidence {
  background: #fff3e0;
  color: #f57c00;
}

.flag-ambiguous {
  background: #fce4ec;
  color: #c2185b;
}

.flag-singleton_mapping {
  background: #f3e5f5;
  color: #7b1fa2;
}

.flag-high_confidence_gap {
  background: #e8f5e8;
  color: #4caf50;
}

.flag-secondary_pipeline {
  background: #e3f2fd;
  color: #1976d2;
}

.group-decision-select {
  transition: border-color 0.2s ease;
}

.group-decision-select:focus {
  outline: none;
  border-color: #2196F3;
  box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
}

/* Validation states */
.validation-approved {
  background: #e8f5e8 !important;
  border-left: 3px solid #4caf50 !important;
}

.validation-rejected {
  background: #ffebee !important;
  border-left: 3px solid #f44336 !important;
}

.validation-modified {
  background: #fff8e1 !important;
  border-left: 3px solid #ff9800 !important;
}

/* Action option styles for post-commit modal */
.action-option {
  transition: all 0.2s ease;
}

.action-option:hover {
  border-color: #4CAF50 !important;
  box-shadow: 0 2px 8px rgba(76, 175, 80, 0.2);
  transform: translateY(-1px);
}

.action-option.selected {
  border-color: #4CAF50 !important;
  background: #f8fff8 !important;
}

/* Validation summary styles */
.validation-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin: 15px 0;
}

.summary-stat {
  text-align: center;
  padding: 12px;
  border-radius: 6px;
  border: 1px solid #e0e0e0;
}

.summary-stat.approved { background: #e8f5e8; border-color: #4CAF50; }
.summary-stat.rejected { background: #ffebee; border-color: #f44336; }
.summary-stat.skipped { background: #fff8e1; border-color: #ff9800; }
.summary-stat.unapproved { background: #fff8e1; border-color: #ff9800; }
.summary-stat.flagged { background: #fff3e0; border-color: #ff9800; }

.summary-stat .count {
  font-size: 1.5em;
  font-weight: bold;
  display: block;
  margin-bottom: 4px;
}

.summary-stat .label {
  font-size: 0.85em;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Modal styles */
#mappingDetailsModal {
  backdrop-filter: blur(2px);
}

#mappingDetailsModal .modal-content {
  animation: modalFadeIn 0.3s ease-out;
}

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

/* ==========================================================================
   Quick Validation Buttons for Results Table
   ========================================================================== */

.quick-validation-cell {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  min-width: 120px;
}

.validation-status {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
}

.status-approved {
  color: #4caf50;
  background: #e8f5e8;
  border: 1px solid #4caf50;
}

.status-rejected {
  color: #f44336;
  background: #ffebee;
  border: 1px solid #f44336;
}

.quick-validation-cell .button {
  padding: 4px 8px;
  font-size: 12px;
  min-width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.quick-validation-cell .button-success {
  background: #4caf50;
  border-color: #4caf50;
  color: white;
}

.quick-validation-cell .button-success:hover {
  background: #45a049;
  border-color: #45a049;
}

.quick-validation-cell .button-danger {
  background: #f44336;
  border-color: #f44336;
  color: white;
}

.quick-validation-cell .button-danger:hover {
  background: #da190b;
  border-color: #da190b;
}

.quick-validation-cell .button-warning {
  background: #ff9800;
  border-color: #ff9800;
  color: white;
}

.quick-validation-cell .button-warning:hover {
  background: #e68900;
  border-color: #e68900;
}

/* Flag button styles */
.quick-validation-cell .button-info {
  background: #2196f3;
  border-color: #2196f3;
  color: white;
  font-size: 0.85em;
}

.quick-validation-cell .button-info:hover {
  background: #1976d2;
  border-color: #1976d2;
}

/* Flag indicator styles */
.flag-indicator {
  display: inline-block;
  margin-left: 5px;
}

.flag-indicator i {
  color: #ff9800;
  animation: flag-pulse 2s infinite;
}

@keyframes flag-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Flagged row highlighting */
.results-table tr.flagged-row {
  box-shadow: inset 4px 0 0 #ff9800 !important;
}

/* Quick validation row highlighting */
.results-table tr.validated-approved {
  background-color: #e8f5e8 !important;
  border-left: 3px solid #4caf50 !important;
}

.results-table tr.validated-rejected {
  background-color: #ffebee !important;
  border-left: 3px solid #f44336 !important;
}

/* Responsive handling for mobile */
@media (max-width: 768px) {
  .quick-validation-cell {
    flex-direction: column;
    gap: 4px;
    min-width: 100px;
  }
  
  .validation-status {
    font-size: 10px;
    padding: 1px 4px;
  }
  
  .quick-validation-cell .button {
    padding: 3px 6px;
    font-size: 10px;
    min-width: 24px;
    height: 24px;
  }
}