/**
 * Endometriosis Symptom Questionnaire Popup
 * Modern, accessible design using theme colors
 * 10X Improved Version
 */

/* CSS Custom Properties for Theme Management */
:root {
    --color-white: #fff;
    --neutral-100: #F1F5F9;
    --neutral-200: #E2E8F0;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-900: #0F172A;
    --endoubt-green-700: #08C4B6;
    --secondary-green: #37EFEA;
    --purple-500: #C06BED;
    --purple-400: #E6C4F8;
    --font-family-unbounded: 'Unbounded', sans-serif;
    --font-family-outfit: 'Outfit', sans-serif;
    --modal-radius: 25px;
    --transition-standard: 0.3s ease-out;
    --transition-spring: cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-modal: 0 20px 60px rgba(0, 0, 0, 0.3);
    --shadow-button: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-button-hover: 0 6px 16px rgba(192, 107, 237, 0.3);
    --safe-area-top: env(safe-area-inset-top, 20px);
    --safe-area-right: env(safe-area-inset-right, 20px);
    --safe-area-bottom: env(safe-area-inset-bottom, 20px);
    --safe-area-left: env(safe-area-inset-left, 20px);
  }
  
  /* Base Reset & Accessibility Improvements */
  #symptom-questionnaire {
    /* Use inset instead of top/left for better readability */
    inset: 0;
    position: fixed;
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity var(--transition-standard);
    
    /* Better performance with will-change */
    will-change: opacity;
    
    /* Improved backdrop handling */
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(6px);
    
    /* Container for better responsive control */
    container-type: inline-size;
  }
  
  #symptom-questionnaire.active {
    display: flex;
    opacity: 1;
  }
  
  #symptom-questionnaire.closing {
    opacity: 0;
  }
  
  /* Backdrop - Simplified */
  .questionnaire-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(6px);
    animation: fadeIn var(--transition-standard);
  }
  
  /* Modal - Enhanced with Container Queries */
  .questionnaire-modal {
    position: relative;
    background: var(--color-white);
    border-radius: var(--modal-radius);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: var(--shadow-modal);
    transform: scale(0.9);
    transition: transform var(--transition-standard) var(--transition-spring);
    z-index: 1;
    contain: layout style paint;
    will-change: transform;
    
    /* Container query for better responsiveness */
    container-name: questionnaire-modal;
  }
  
  @container questionnaire-modal (max-width: 480px) {
    .questionnaire-modal {
      border-radius: 18px;
      max-height: calc(100vh - var(--safe-area-top) - var(--safe-area-bottom));
    }
  }
  
  #symptom-questionnaire.active .questionnaire-modal {
    transform: scale(1);
  }
  
  #symptom-questionnaire.closing .questionnaire-modal {
    transform: scale(0.9);
  }
  
  /* Close Button - Enhanced with better accessibility */
  .questionnaire-close {
    position: absolute;
    inset-block-start: 15px;
    inset-inline-end: 15px;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--neutral-100);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
    
    /* Better focus management */
    outline: none;
    
    /* Improved accessibility */
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    
    /* ARIA attributes for screen readers */
    aria-label: "Close questionnaire";
    role: "button";
    tabindex: "0";
  }
  
  .questionnaire-close:hover {
    background: var(--neutral-200);
    transform: rotate(90deg);
  }
  
  .questionnaire-close:focus-visible {
    outline: 3px solid var(--purple-500);
    outline-offset: 2px;
  }
  
  /* Close button icon using modern CSS instead of pseudo-elements */
  .questionnaire-close::before {
    content: "";
    position: absolute;
    width: 18px;
    height: 2px;
    background: var(--neutral-900);
    border-radius: 2px;
    transform: rotate(45deg);
  }
  
  .questionnaire-close::after {
    content: "";
    position: absolute;
    width: 18px;
    height: 2px;
    background: var(--neutral-900);
    border-radius: 2px;
    transform: rotate(-45deg);
  }
  
  /* Header - Improved with logical properties */
  .questionnaire-header {
    padding-block: 25px 20px;
    padding-inline: 30px 60px 30px 30px;
    border-block-end: 1px solid var(--neutral-200);
  }
  
  .questionnaire-title {
    font-family: var(--font-family-unbounded);
    font-size: clamp(1.125rem, 2.5vw, 1.75rem);
    font-weight: 700;
    color: var(--neutral-900);
    margin: 0;
    line-height: 1.2;
    text-align: center;
    
    /* Better text rendering */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  /* Progress Bar - Enhanced with modern layout */
  .questionnaire-progress {
    padding: 20px 30px;
    border-block-end: 1px solid var(--neutral-200);
    
    /* Flex container for better alignment */
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  
  .progress-text {
    font-family: var(--font-family-unbounded);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--neutral-600);
    text-align: center;
  }
  
  .progress-bar {
    width: 100%;
    height: 6px;
    background: var(--neutral-200);
    border-radius: 10px;
    overflow: hidden;
  }
  
  .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--endoubt-green-700) 0%, var(--secondary-green) 50%, var(--purple-500) 100%);
    border-radius: 10px;
    transition: width 0.5s var(--transition-spring);
    width: 20%;
    will-change: width;
    box-shadow: 0 0 12px rgba(192, 107, 237, 0.4);
  }
  
  /* Content Area - Improved with logical properties */
  .questionnaire-content {
    padding: 40px 30px;
    min-height: 380px;
    
    /* Better scroll behavior */
    scroll-behavior: smooth;
  }
  
  /* Question Wrapper - Enhanced with modern layout */
  .questionnaire-question-wrapper {
    position: relative;
    min-height: 120px;
    margin-block-end: 40px;
    
    /* Improved accessibility */
    isolation: isolate;
  }
  
  .questionnaire-question-wrapper.hidden {
    display: none;
  }
  
  /* Question View - Improved with modern display */
  .questionnaire-question {
    display: none;
  }
  
  .questionnaire-question.active {
    display: block;
  }
  
  .questionnaire-question.active .question-text {
    animation: slideInFromRight 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  }
  
  .questionnaire-question.slide-out {
    display: block;
    position: absolute;
    inset: 0;
    width: 100%;
    pointer-events: none;
  }
  
  .questionnaire-question.slide-out .question-text {
    animation: slideOutToLeft 0.35s cubic-bezier(0.55, 0.06, 0.68, 0.19) forwards;
  }
  
  .question-text {
    font-family: var(--font-family-unbounded);
    font-size: clamp(1.125rem, 2vw + 0.5rem, 1.375rem);
    font-weight: 500;
    line-height: 1.4;
    color: var(--neutral-900);
    text-align: center;
    margin-block-end: 30px;
  }
  
  /* Answer Buttons - Enhanced with modern CSS */
  .questionnaire-answers {
    display: flex;
    gap: 1rem;
    flex-direction: column;
    
    /* Better responsive handling */
    container-type: inline-size;
    container-name: answers-container;
  }
  
  .questionnaire-result.active ~ .questionnaire-answers {
    display: none;
  }
  
  .answer-btn {
    font-family: var(--font-family-outfit);
    font-size: 1.125rem;
    font-weight: 700;
    padding: 1.125rem 2rem;
    border: 3px solid transparent;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s var(--transition-spring);
    letter-spacing: 0.8px;
    min-height: 60px;
    outline: none;
    box-shadow: var(--shadow-button);
    will-change: transform;
    
    /* Better touch targets */
    min-height: 44px;
    min-width: 44px;
    
    /* Improved accessibility */
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  
  .answer-btn:focus {
    outline: none;
    border-color: transparent;
  }
  
  .answer-btn:active {
    outline: none;
    border-color: transparent;
    transform: translateY(0) scale(0.98) !important;
    transition: all 0.1s ease;
  }
  
  .answer-yes {
    background: var(--purple-500);
    color: var(--color-white);
  }
  
  .answer-yes:hover {
    background: var(--purple-400);
    color: var(--neutral-900);
    transform: translateY(-2px);
    box-shadow: var(--shadow-button-hover);
  }
  
  .answer-no {
    background: var(--endoubt-green-700);
    color: var(--color-white);
    border-color: var(--endoubt-green-700);
  }
  
  .answer-no:hover {
    background: var(--secondary-green);
    border-color: var(--secondary-green);
    color: var(--neutral-900);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(8, 196, 182, 0.3);
  }
  
  /* Result View - Enhanced with modern layout */
  .questionnaire-result {
    display: none;
    text-align: center;
    padding: 20px 0;
  }
  
  .questionnaire-result.active {
    display: block;
    animation: fadeIn 0.4s ease-out;
  }
  
  .result-label {
    font-family: var(--font-family-unbounded);
    font-size: clamp(1rem, 2vw, 1.125rem);
    font-weight: 500;
    color: var(--neutral-600);
    margin-block-end: 1rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    opacity: 0;
    animation: fadeInUp 0.5s var(--transition-spring) forwards;
  }
  
  .result-score {
    font-family: var(--font-family-unbounded);
    font-size: clamp(3rem, 8vw, 4.5rem);
    font-weight: 700;
    color: var(--purple-500);
    margin-block-end: 1.5rem;
    line-height: 1;
    opacity: 0;
    animation: countUp 0.6s var(--transition-spring) 0.2s forwards;
  }
  
  .result-score .score-number {
    color: inherit;
  }
  
  .result-score.zero-score .score-number {
    color: var(--secondary-green);
  }
  
  .result-message {
    font-family: var(--font-family-outfit);
    font-size: 1.125rem;
    font-weight: 300;
    line-height: 1.6;
    color: var(--neutral-700);
    letter-spacing: 0.8px;
    opacity: 0;
    animation: fadeInUp 0.6s var(--transition-spring) 0.4s forwards;
    max-width: 540px;
    margin: 0 auto;
  }
  
  .result-message p {
    margin-block-end: 1rem;
  }
  
  .result-message p:last-child {
    margin-block-end: 0;
  }
  
  .result-message strong {
    font-weight: 500;
    color: var(--neutral-900);
  }
  
  /* Animations - Enhanced with modern techniques */
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  @keyframes scaleIn {
    from {
      opacity: 0;
      transform: scale(0.9);
    }
    to {
      opacity: 1;
      transform: scale(1);
    }
  }
  
  @keyframes slideInFromRight {
    from {
      opacity: 0;
      transform: translateX(100%);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }
  
  @keyframes slideOutToLeft {
    from {
      opacity: 1;
      transform: translateX(0);
    }
    to {
      opacity: 0;
      transform: translateX(-100%);
    }
  }
  
  @keyframes countUp {
    from {
      transform: scale(0.8);
      opacity: 0;
    }
    to {
      transform: scale(1);
      opacity: 1;
    }
  }
  
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* Mobile Responsive - Mobile-first approach */
  @media screen and (max-width: 768px) {
    #symptom-questionnaire {
      padding: var(--safe-area-top) var(--safe-area-right) var(--safe-area-bottom) var(--safe-area-left);
    }
  
    .questionnaire-modal {
      border-radius: 20px;
      max-height: calc(100vh - var(--safe-area-top) - var(--safe-area-bottom));
    }
  
    .questionnaire-header {
      padding: 1.25rem 3.125rem 0.9375rem 1.25rem;
    }
  
    .questionnaire-title {
      font-size: 1rem;
    }
  
    .questionnaire-progress {
      padding: 0.9375rem 1.25rem;
    }
  
    .questionnaire-content {
      padding: 1.875rem 1.25rem;
      min-height: 340px;
    }
  
    .questionnaire-question-wrapper {
      min-height: 100px;
      margin-block-end: 1.875rem;
    }
  
    .question-text {
      font-size: 1.125rem;
      margin-block-end: 1.875rem;
    }
  
    .answer-btn {
      font-size: 1rem;
      padding: 1rem 1.5rem;
      min-height: 3.5rem;
    }
  
    .questionnaire-close {
      inset-block-start: 0.9375rem;
      inset-inline-end: 0.9375rem;
      width: 2.25rem;
      height: 2.25rem;
    }
  
    .result-message {
      font-size: 1rem;
    }
  }
  
  /* Additional breakpoints for better responsiveness */
  @container answers-container (max-width: 400px) {
    .answer-btn {
      padding: 0.875rem 1.25rem;
      font-size: 1.1rem;
    }
  }
  
  /* Reduced motion support - Enhanced */
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
    
    /* Preserve essential transitions even with reduced motion */
    #symptom-questionnaire,
    .questionnaire-modal {
      transition-duration: 0.2s !important;
    }
  }
  
  /* Focus styles for accessibility - Enhanced */
  .answer-btn:focus-visible {
    outline: 3px solid var(--purple-500);
    outline-offset: 2px;
  }
  
  .questionnaire-close:focus-visible {
    outline: 3px solid var(--purple-500);
    outline-offset: 2px;
  }
  
  /* Prevent body scroll when popup is open - Enhanced */
  body.questionnaire-open {
    overflow: hidden;
    
    /* Better handling for mobile browsers */
    position: fixed;
    inset-inline: 0;
    inset-block: 0;
  }
  
  /* Mobile Floating Questionnaire Button - Enhanced */
  .mobile-floating-questionnaire {
    display: none;
    position: fixed;
    inset-block-end: 1.5rem;
    inset-inline-start: 0.5rem;
    z-index: 999;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.875rem;
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
    color: white;
    border: none;
    border-radius: 20px;
    font-family: var(--font-family-outfit);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    
    /* Better accessibility */
    aria-label: "Open symptom questionnaire";
    role: "button";
    tabindex: "0";
  }
  
  .mobile-floating-questionnaire:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(139, 92, 246, 0.5);
  }
  
  .mobile-floating-questionnaire:active {
    transform: translateY(0) scale(0.98);
  }
  
  @media (max-width: 768px) {
    .mobile-floating-questionnaire {
      display: flex;
    }
  }
  
  /* High contrast mode support */
  @media (prefers-contrast: high) {
    .questionnaire-modal {
      border: 2px solid white;
    }
    
    .answer-btn {
      border-width: 2px;
    }
    
    .questionnaire-close {
      border: 2px solid white;
    }
  }
  
  /* Dark mode support */
  @media (prefers-color-scheme: dark) {
    :root {
      --color-white: #1e293b;
      --neutral-100: #0f172a;
      --neutral-200: #1e293b;
      --neutral-600: #94a3b8;
      --neutral-700: #cbd5e1;
      --neutral-900: #f8fafc;
    }
    
    .questionnaire-backdrop {
      background: rgba(0, 0, 0, 0.8);
    }
    
    .answer-btn {
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }
    
    .answer-btn:hover {
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
    }
  }