/**
 * Cognitive Assessment Platform - Quiz Components
 * PRD-2: Typeform-Killer Component Styles
 *
 * @package CognitiveAssessmentPlatform
 * @since 2.0.0
 */

/* ═══════════════════════════════════════════════════════════════════════════
   GLOBAL RESETS - Override WordPress defaults
   ═══════════════════════════════════════════════════════════════════════════ */

/* Hide WordPress admin bar when quiz is active */
body.cca-quiz-active #wpadminbar {
  display: none !important;
}

body.cca-quiz-active {
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* Reset WordPress defaults that interfere */
.cca-quiz-container * {
  box-sizing: border-box;
}

.cca-quiz-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--cca-bg);
  background-image: var(--cca-bg-gradient), var(--cca-bg-pattern);
  font-family: var(--cca-font-body);
  color: var(--cca-text);
  overflow-x: hidden;
  overflow-y: auto;
  margin: 0;
  padding: 0;
  z-index: 999999;
}

/* Background image support */
.cca-quiz-container[data-has-bg-image="true"] {
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.cca-quiz-container[data-has-bg-image="true"]::before {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--cca-bg-image-overlay);
  z-index: 0;
}

.cca-quiz-container > * {
  position: relative;
  z-index: 1;
}


/* ═══════════════════════════════════════════════════════════════════════════
   WELCOME SCREEN
   ═══════════════════════════════════════════════════════════════════════════ */

.cca-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--cca-space-8);
  text-align: center;
}

.cca-welcome__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cca-welcome__bg img,
.cca-welcome__bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cca-welcome__bg-overlay {
  position: absolute;
  inset: 0;
  background: var(--cca-bg-image-overlay);
}

.cca-welcome__content {
  position: relative;
  z-index: 1;
  max-width: var(--cca-max-width-2xl);
}

.cca-welcome__title {
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-5xl);
  font-weight: var(--cca-font-bold);
  line-height: var(--cca-leading-tight);
  letter-spacing: var(--cca-tracking-tight);
  color: var(--cca-text);
  margin: 0 0 var(--cca-space-6);
}

.cca-welcome__subtitle {
  font-size: var(--cca-text-xl);
  line-height: var(--cca-leading-relaxed);
  color: var(--cca-text-secondary);
  margin: 0 0 var(--cca-space-8);
  max-width: 600px;
}

.cca-welcome__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--cca-space-4);
  margin-bottom: var(--cca-space-10);
}

.cca-welcome__time {
  display: inline-flex;
  align-items: center;
  gap: var(--cca-space-2);
  font-size: var(--cca-text-sm);
  color: var(--cca-text-muted);
}

.cca-welcome__time svg {
  width: 16px;
  height: 16px;
}

.cca-welcome__start {
  display: inline-flex;
  align-items: center;
  gap: var(--cca-space-3);
  padding: var(--cca-space-4) var(--cca-space-8);
  background: var(--cca-primary);
  color: var(--cca-text-inverse);
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-lg);
  font-weight: var(--cca-font-semibold);
  border: none;
  border-radius: var(--cca-radius-full);
  cursor: pointer;
  transition: var(--cca-transition-all);
  box-shadow: var(--cca-shadow-lg);
}

.cca-welcome__start:hover {
  background: var(--cca-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--cca-shadow-glow);
}

.cca-welcome__start:active {
  transform: translateY(0);
}

.cca-welcome__start svg {
  width: 20px;
  height: 20px;
  transition: transform var(--cca-duration-fast) var(--cca-ease-out);
}

.cca-welcome__start:hover svg {
  transform: translateX(4px);
}

.cca-welcome__hint {
  margin-top: var(--cca-space-6);
  font-size: var(--cca-text-sm);
  color: var(--cca-text-muted);
}

.cca-welcome__hint kbd {
  display: inline-block;
  padding: var(--cca-space-1) var(--cca-space-2);
  background: var(--cca-surface);
  border: 1px solid var(--cca-border);
  border-radius: var(--cca-radius-sm);
  font-family: var(--cca-font-mono);
  font-size: var(--cca-text-xs);
}


/* ═══════════════════════════════════════════════════════════════════════════
   QUIZ INTERFACE (Main Question Area)
   ═══════════════════════════════════════════════════════════════════════════ */

.cca-quiz-interface {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: var(--cca-quiz-max-width);
  width: 100%;
  margin: 0 auto;
  padding: var(--cca-quiz-padding);
}

.cca-quiz-header {
  padding: var(--cca-space-6) 0;
}

.cca-quiz-header h1 {
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-2xl);
  font-weight: var(--cca-font-semibold);
  color: var(--cca-text);
  margin: 0 0 var(--cca-space-2);
}

.cca-quiz-description {
  font-size: var(--cca-text-base);
  color: var(--cca-text-secondary);
  margin: 0;
}


/* ═══════════════════════════════════════════════════════════════════════════
   PROGRESS INDICATORS
   ═══════════════════════════════════════════════════════════════════════════ */

/* Progress Bar - Typeform style: thin line at very top */
.cca-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  height: 3px;
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
}

.cca-progress-bar {
  width: 100%;
  height: 3px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 0;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

.cca-progress-fill {
  height: 100%;
  background: var(--cca-primary);
  border-radius: 0;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cca-progress-text {
  display: none; /* Hide progress text - Typeform doesn't show it */
}

/* Progress Dots */
.cca-progress-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--cca-space-2);
  margin-bottom: var(--cca-space-8);
}

.cca-progress-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--cca-radius-full);
  background: var(--cca-border);
  transition: var(--cca-transition-all);
}

.cca-progress-dot.active {
  width: 24px;
  background: var(--cca-primary);
}

.cca-progress-dot.completed {
  background: var(--cca-primary);
}


/* ═══════════════════════════════════════════════════════════════════════════
   QUESTION WRAPPER
   ═══════════════════════════════════════════════════════════════════════════ */

.cca-question {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.cca-question-section {
  font-size: var(--cca-text-xs);
  font-weight: var(--cca-font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--cca-tracking-widest);
  color: var(--cca-text-muted);
  margin-bottom: var(--cca-space-3);
}

.cca-question-text {
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-2xl);
  font-weight: var(--cca-font-semibold);
  line-height: var(--cca-leading-snug);
  color: var(--cca-text);
  margin: 0 0 var(--cca-space-2);
}

.cca-question-text .cca-required {
  color: var(--cca-error);
  margin-left: var(--cca-space-1);
}

.cca-question-help {
  font-size: var(--cca-text-sm);
  color: var(--cca-text-secondary);
  margin: 0 0 var(--cca-space-6);
}

/* Question Media */
.cca-question-media {
  margin-bottom: var(--cca-space-6);
  border-radius: var(--cca-radius-xl);
  overflow: hidden;
}

.cca-question-media img,
.cca-question-media video {
  width: 100%;
  height: auto;
  display: block;
}

.cca-question-media[data-position="left"],
.cca-question-media[data-position="right"] {
  max-width: 40%;
}


/* ═══════════════════════════════════════════════════════════════════════════
   MULTIPLE CHOICE / SINGLE SELECT
   ═══════════════════════════════════════════════════════════════════════════ */

.cca-choices {
  display: flex;
  flex-direction: column;
  gap: var(--cca-space-3);
  margin-top: var(--cca-space-6);
}

.cca-choice-option {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 2rem; /* Large padding like Typeform */
  background: transparent;
  border: 2px solid rgba(0, 0, 0, 0.15);
  border-radius: 50px; /* Pill shape like Typeform */
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: none;
  width: 100%;
  max-width: 600px;
  margin-bottom: 1rem;
  font-size: 1.25rem; /* 20px - large text */
  font-weight: 400;
  color: var(--cca-text);
}

.cca-choice-option:hover {
  border-color: var(--cca-primary);
  background: rgba(99, 102, 241, 0.05);
  transform: scale(1.02);
}

.cca-choice-option.selected {
  border-color: var(--cca-primary);
  background: var(--cca-primary);
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
  transform: scale(1.02);
}

.cca-choice-option input[type="radio"],
.cca-choice-option input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.cca-choice-option__indicator {
  display: none; /* Hide indicator - Typeform doesn't use it */
}

.cca-choice-option.selected .cca-choice-option__indicator {
  display: none;
}

.cca-choice-option__content {
  flex: 1;
}

.cca-choice-option__label {
  font-size: var(--cca-text-base);
  font-weight: var(--cca-font-medium);
  color: var(--cca-text);
}

.cca-choice-option__description {
  font-size: var(--cca-text-sm);
  color: var(--cca-text-secondary);
  margin-top: var(--cca-space-1);
}

.cca-choice-option__key {
  flex-shrink: 0;
  padding: var(--cca-space-1) var(--cca-space-2);
  background: var(--cca-bg-alt);
  border: 1px solid var(--cca-border);
  border-radius: var(--cca-radius-sm);
  font-family: var(--cca-font-mono);
  font-size: var(--cca-text-xs);
  color: var(--cca-text-muted);
  margin-left: var(--cca-space-4);
}


/* ═══════════════════════════════════════════════════════════════════════════
   PICTURE CHOICE
   ═══════════════════════════════════════════════════════════════════════════ */

.cca-picture-choice {
  display: grid;
  grid-template-columns: repeat(var(--columns, 2), 1fr);
  gap: var(--cca-space-4);
  margin-top: var(--cca-space-6);
}

.cca-picture-option {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--cca-surface);
  border: 2px solid var(--cca-border);
  border-radius: var(--cca-radius-xl);
  overflow: hidden;
  cursor: pointer;
  transition: var(--cca-transition-all);
  box-shadow: var(--cca-shadow-option);
}

.cca-picture-option:hover {
  border-color: var(--cca-border-hover);
  box-shadow: var(--cca-shadow-option-hover);
  transform: translateY(-4px);
}

.cca-picture-option.selected {
  border-color: var(--cca-primary);
  box-shadow: var(--cca-shadow-option-selected);
}

.cca-picture-option__image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.cca-picture-option__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--cca-duration-slow) var(--cca-ease-out);
}

.cca-picture-option:hover .cca-picture-option__image img {
  transform: scale(1.05);
}

.cca-picture-option__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--cca-duration-normal);
}

.cca-picture-option.selected .cca-picture-option__overlay {
  opacity: 1;
  background: linear-gradient(to top, 
    color-mix(in srgb, var(--cca-primary) 60%, transparent) 0%, 
    transparent 60%);
}

.cca-picture-option__check {
  position: absolute;
  top: var(--cca-space-3);
  right: var(--cca-space-3);
  width: 28px;
  height: 28px;
  background: var(--cca-primary);
  border-radius: var(--cca-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cca-text-inverse);
  box-shadow: var(--cca-shadow-md);
  opacity: 0;
  transform: scale(0);
  transition: var(--cca-transition-all);
}

.cca-picture-option.selected .cca-picture-option__check {
  opacity: 1;
  transform: scale(1);
}

.cca-picture-option__content {
  padding: var(--cca-space-4);
}

.cca-picture-option__label {
  display: block;
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-base);
  font-weight: var(--cca-font-semibold);
  color: var(--cca-text);
}

.cca-picture-option__desc {
  display: block;
  margin-top: var(--cca-space-1);
  font-size: var(--cca-text-sm);
  color: var(--cca-text-secondary);
}

.cca-picture-option__key {
  position: absolute;
  bottom: var(--cca-space-3);
  right: var(--cca-space-3);
  padding: var(--cca-space-1) var(--cca-space-2);
  background: var(--cca-surface-elevated);
  border: 1px solid var(--cca-border);
  border-radius: var(--cca-radius-sm);
  font-family: var(--cca-font-mono);
  font-size: var(--cca-text-xs);
  color: var(--cca-text-muted);
  opacity: 0.8;
}

@media (max-width: 640px) {
  .cca-picture-choice {
    grid-template-columns: 1fr;
  }
  
  .cca-picture-option__image {
    aspect-ratio: 16/9;
  }
}


/* ═══════════════════════════════════════════════════════════════════════════
   OPINION SCALE / SLIDER
   ═══════════════════════════════════════════════════════════════════════════ */

.cca-opinion-scale {
  margin-top: var(--cca-space-8);
}

.cca-opinion-scale__labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--cca-space-3);
  font-size: var(--cca-text-sm);
  color: var(--cca-text-muted);
}

.cca-opinion-scale__track {
  position: relative;
  height: 48px;
  display: flex;
  align-items: center;
}

.cca-opinion-scale__rail {
  position: absolute;
  left: 0;
  right: 0;
  height: 8px;
  background: var(--cca-border);
  border-radius: var(--cca-radius-full);
}

.cca-opinion-scale__fill {
  position: absolute;
  left: 0;
  height: 8px;
  background: var(--cca-primary);
  border-radius: var(--cca-radius-full);
  transition: width var(--cca-duration-fast) var(--cca-ease-out);
}

.cca-opinion-scale__options {
  position: relative;
  display: flex;
  justify-content: space-between;
  width: 100%;
}

.cca-opinion-scale__option {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cca-surface);
  border: 2px solid var(--cca-border);
  border-radius: var(--cca-radius-full);
  font-size: var(--cca-text-sm);
  font-weight: var(--cca-font-medium);
  color: var(--cca-text-secondary);
  cursor: pointer;
  transition: var(--cca-transition-all);
  z-index: 1;
}

.cca-opinion-scale__option:hover {
  border-color: var(--cca-primary-light);
  transform: scale(1.1);
}

.cca-opinion-scale__option.selected {
  background: var(--cca-primary);
  border-color: var(--cca-primary);
  color: var(--cca-text-inverse);
  transform: scale(1.15);
  box-shadow: var(--cca-shadow-glow);
}

.cca-opinion-scale__option input {
  position: absolute;
  opacity: 0;
}


/* ═══════════════════════════════════════════════════════════════════════════
   RATING (Stars)
   ═══════════════════════════════════════════════════════════════════════════ */

.cca-rating {
  display: flex;
  gap: var(--cca-space-2);
  margin-top: var(--cca-space-6);
}

.cca-rating__star {
  position: relative;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--cca-transition-all);
}

.cca-rating__star svg {
  width: 40px;
  height: 40px;
  fill: var(--cca-border);
  stroke: var(--cca-border);
  stroke-width: 1;
  transition: var(--cca-transition-all);
}

.cca-rating__star:hover svg {
  fill: var(--cca-accent);
  stroke: var(--cca-accent);
  transform: scale(1.15);
}

.cca-rating__star.filled svg {
  fill: var(--cca-accent);
  stroke: var(--cca-accent);
}

.cca-rating__star.selected svg {
  transform: scale(1.2);
}

.cca-rating__star input {
  position: absolute;
  opacity: 0;
}


/* ═══════════════════════════════════════════════════════════════════════════
   NPS SCALE
   ═══════════════════════════════════════════════════════════════════════════ */

.cca-nps {
  margin-top: var(--cca-space-6);
}

.cca-nps__labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--cca-space-3);
  font-size: var(--cca-text-sm);
  color: var(--cca-text-muted);
}

.cca-nps__options {
  display: flex;
  gap: var(--cca-space-2);
}

.cca-nps__option {
  flex: 1;
  aspect-ratio: 1;
  max-width: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cca-surface);
  border: 2px solid var(--cca-border);
  border-radius: var(--cca-radius-lg);
  font-size: var(--cca-text-lg);
  font-weight: var(--cca-font-semibold);
  color: var(--cca-text);
  cursor: pointer;
  transition: var(--cca-transition-all);
}

.cca-nps__option:hover {
  border-color: var(--cca-border-hover);
  transform: translateY(-2px);
}

/* NPS color coding */
.cca-nps__option[data-value="0"],
.cca-nps__option[data-value="1"],
.cca-nps__option[data-value="2"],
.cca-nps__option[data-value="3"],
.cca-nps__option[data-value="4"],
.cca-nps__option[data-value="5"],
.cca-nps__option[data-value="6"] {
  --nps-color: var(--cca-error);
}

.cca-nps__option[data-value="7"],
.cca-nps__option[data-value="8"] {
  --nps-color: var(--cca-warning);
}

.cca-nps__option[data-value="9"],
.cca-nps__option[data-value="10"] {
  --nps-color: var(--cca-success);
}

.cca-nps__option.selected {
  background: var(--nps-color);
  border-color: var(--nps-color);
  color: var(--cca-text-inverse);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 0 20px color-mix(in srgb, var(--nps-color) 40%, transparent);
}

.cca-nps__option input {
  position: absolute;
  opacity: 0;
}


/* ═══════════════════════════════════════════════════════════════════════════
   YES/NO (Binary)
   ═══════════════════════════════════════════════════════════════════════════ */

.cca-yes-no {
  display: flex;
  gap: var(--cca-space-4);
  margin-top: var(--cca-space-6);
}

.cca-yes-no__option {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--cca-space-8) var(--cca-space-6);
  background: var(--cca-surface);
  border: 2px solid var(--cca-border);
  border-radius: var(--cca-radius-2xl);
  cursor: pointer;
  transition: var(--cca-transition-all);
  box-shadow: var(--cca-shadow-option);
}

.cca-yes-no__option:hover {
  border-color: var(--cca-border-hover);
  box-shadow: var(--cca-shadow-option-hover);
  transform: translateY(-4px);
}

.cca-yes-no__option.selected {
  border-color: var(--cca-primary);
  background: var(--cca-primary-lighter);
  box-shadow: var(--cca-shadow-option-selected);
}

.cca-yes-no__option--yes.selected {
  border-color: var(--cca-success);
  background: var(--cca-success-light);
}

.cca-yes-no__option--no.selected {
  border-color: var(--cca-error);
  background: var(--cca-error-light);
}

.cca-yes-no__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--cca-space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--cca-radius-full);
  background: var(--cca-bg-alt);
  transition: var(--cca-transition-all);
}

.cca-yes-no__option.selected .cca-yes-no__icon {
  background: var(--cca-primary);
  color: var(--cca-text-inverse);
}

.cca-yes-no__option--yes.selected .cca-yes-no__icon {
  background: var(--cca-success);
}

.cca-yes-no__option--no.selected .cca-yes-no__icon {
  background: var(--cca-error);
}

.cca-yes-no__label {
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-xl);
  font-weight: var(--cca-font-semibold);
  color: var(--cca-text);
}

.cca-yes-no__option input {
  position: absolute;
  opacity: 0;
}


/* ═══════════════════════════════════════════════════════════════════════════
   TEXT INPUTS
   ═══════════════════════════════════════════════════════════════════════════ */

.cca-text-input {
  margin-top: var(--cca-space-6);
}

.cca-text-input input,
.cca-text-input textarea,
.cca-text-input-field,
.cca-textarea-field {
  width: 100%;
  max-width: 600px;
  padding: 1.5rem 2rem;
  background: transparent;
  border: none;
  border-bottom: 3px solid rgba(0, 0, 0, 0.2);
  border-radius: 0;
  font-family: var(--cca-font-body);
  font-size: 1.5rem; /* 24px - large like Typeform */
  color: var(--cca-text);
  transition: all 0.2s ease;
  resize: vertical;
  text-align: center;
  font-weight: 400;
}

.cca-text-input input:focus,
.cca-text-input textarea:focus,
.cca-text-input-field:focus,
.cca-textarea-field:focus {
  outline: none;
  border-bottom-color: var(--cca-primary);
  border-bottom-width: 4px;
}

.cca-text-input input::placeholder,
.cca-text-input textarea::placeholder,
.cca-text-input-field::placeholder,
.cca-textarea-field::placeholder {
  color: rgba(0, 0, 0, 0.4);
  font-weight: 300;
}

.cca-text-input textarea,
.cca-textarea-field {
  min-height: 150px;
  text-align: left;
  padding-top: 1rem;
}

.cca-text-input__char-count {
  text-align: right;
  margin-top: var(--cca-space-2);
  font-size: var(--cca-text-sm);
  color: var(--cca-text-muted);
}


/* ═══════════════════════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════════════════════ */

.cca-quiz-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--cca-space-6) 0;
  margin-top: auto;
}

.cca-nav-button {
  display: inline-flex;
  align-items: center;
  gap: var(--cca-space-2);
  padding: var(--cca-space-3) var(--cca-space-6);
  border-radius: var(--cca-radius-full);
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-base);
  font-weight: var(--cca-font-semibold);
  cursor: pointer;
  transition: var(--cca-transition-all);
}

.cca-nav-button--prev,
.cca-nav-button--previous {
  background: transparent;
  border: 2px solid var(--cca-border);
  color: var(--cca-text-secondary);
}

.cca-nav-button--prev:hover,
.cca-nav-button--previous:hover {
  border-color: var(--cca-border-hover);
  color: var(--cca-text);
}

.cca-nav-button {
  padding: 1rem 2.5rem;
  font-size: 1rem;
  border-radius: 50px;
  font-weight: 500;
}

.cca-nav-button--next,
.cca-nav-button--submit,
.cca-nav-button--primary {
  background: var(--cca-primary);
  border: none;
  color: white;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.cca-nav-button--next:hover,
.cca-nav-button--submit:hover,
.cca-nav-button--primary:hover {
  background: var(--cca-primary-hover);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}

.cca-nav-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.cca-nav-button svg {
  width: 18px;
  height: 18px;
}

.cca-keyboard-hint {
  font-size: var(--cca-text-sm);
  color: var(--cca-text-muted);
}

.cca-keyboard-hint kbd {
  display: inline-block;
  padding: var(--cca-space-0\.5) var(--cca-space-1\.5);
  background: var(--cca-surface);
  border: 1px solid var(--cca-border);
  border-radius: var(--cca-radius-sm);
  font-family: var(--cca-font-mono);
  font-size: var(--cca-text-xs);
}


/* ═══════════════════════════════════════════════════════════════════════════
   END SCREEN
   ═══════════════════════════════════════════════════════════════════════════ */

.cca-end-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: var(--cca-space-8);
  text-align: center;
}

.cca-end-screen__icon {
  width: 80px;
  height: 80px;
  margin-bottom: var(--cca-space-6);
  background: var(--cca-success-light);
  border-radius: var(--cca-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cca-success);
}

.cca-end-screen__icon svg {
  width: 40px;
  height: 40px;
}

.cca-end-screen__title {
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-3xl);
  font-weight: var(--cca-font-bold);
  color: var(--cca-text);
  margin: 0 0 var(--cca-space-4);
}

.cca-end-screen__message {
  font-size: var(--cca-text-lg);
  color: var(--cca-text-secondary);
  max-width: 480px;
  margin: 0 0 var(--cca-space-8);
}

.cca-end-screen__button {
  padding: var(--cca-space-4) var(--cca-space-8);
  background: var(--cca-primary);
  color: var(--cca-text-inverse);
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-lg);
  font-weight: var(--cca-font-semibold);
  border: none;
  border-radius: var(--cca-radius-full);
  cursor: pointer;
  transition: var(--cca-transition-all);
  box-shadow: var(--cca-shadow-lg);
}

.cca-end-screen__button:hover {
  background: var(--cca-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--cca-shadow-glow);
}


/* ═══════════════════════════════════════════════════════════════════════════
   STATEMENT BLOCK
   ═══════════════════════════════════════════════════════════════════════════ */

.cca-statement {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: var(--cca-space-8);
  text-align: center;
}

.cca-statement__content {
  max-width: var(--cca-max-width-2xl);
}

.cca-statement__title {
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-4xl);
  font-weight: var(--cca-font-bold);
  line-height: var(--cca-leading-tight);
  color: var(--cca-text);
  margin: 0 0 var(--cca-space-6);
}

.cca-statement__text {
  font-size: var(--cca-text-xl);
  line-height: var(--cca-leading-relaxed);
  color: var(--cca-text-secondary);
  margin: 0;
}

.cca-statement__continue {
  margin-top: var(--cca-space-10);
}


/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE ADJUSTMENTS
   ═══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  .cca-welcome__title {
    font-size: var(--cca-text-4xl);
  }
  
  .cca-welcome__subtitle {
    font-size: var(--cca-text-lg);
  }
  
  .cca-question-text {
    font-size: var(--cca-text-xl);
  }
  
  .cca-quiz-interface {
    padding: var(--cca-space-4);
  }
  
  .cca-choice-option {
    padding: var(--cca-space-3) var(--cca-space-4);
  }
  
  .cca-yes-no {
    flex-direction: column;
  }
  
  .cca-nps__options {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .cca-nps__option {
    max-width: 48px;
  }
}

@media (max-width: 480px) {
  .cca-welcome__title {
    font-size: var(--cca-text-3xl);
  }
  
  .cca-welcome__start {
    width: 100%;
    justify-content: center;
  }
  
  .cca-opinion-scale__option {
    width: 32px;
    height: 32px;
    font-size: var(--cca-text-xs);
  }
}


/* ═══════════════════════════════════════════════════════════════════════════
   CSS ANIMATIONS (React 17 Compatible)
   No Framer Motion required - pure CSS animations
   ═══════════════════════════════════════════════════════════════════════════ */

/* Keyframes */
@keyframes cca-fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes cca-fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes cca-slideInRight {
  from { transform: translateX(30px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes cca-slideInLeft {
  from { transform: translateX(-30px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes cca-slideOutLeft {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(-30px); opacity: 0; }
}

@keyframes cca-slideOutRight {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(30px); opacity: 0; }
}

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

@keyframes cca-scaleIn {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes cca-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes cca-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes cca-bounceIn {
  0% { transform: scale(0); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

@keyframes cca-shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-10px); }
  20%, 40%, 60%, 80% { transform: translateX(10px); }
}

@keyframes cca-progressFill {
  from { width: 0; }
}

/* Animation Classes */
.cca-fade-in {
  animation: cca-fadeIn 0.4s ease-out forwards;
}

.cca-fade-out {
  animation: cca-fadeOut 0.3s ease-out forwards;
}

.cca-slide-in-right {
  animation: cca-slideInRight 0.4s ease-out forwards;
}

.cca-slide-in-left {
  animation: cca-slideInLeft 0.4s ease-out forwards;
}

.cca-slide-out-left {
  animation: cca-slideOutLeft 0.3s ease-out forwards;
}

.cca-slide-out-right {
  animation: cca-slideOutRight 0.3s ease-out forwards;
}

.cca-slide-up {
  animation: cca-slideUp 0.5s ease-out forwards;
  animation-fill-mode: both;
}

.cca-scale-in {
  animation: cca-scaleIn 0.4s ease-out forwards;
}

.cca-bounce-in {
  animation: cca-bounceIn 0.5s ease-out forwards;
}

/* Loading Spinner */
.cca-loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--cca-border);
  border-top-color: var(--cca-primary);
  border-radius: 50%;
  animation: cca-spin 0.8s linear infinite;
  margin: 0 auto var(--cca-space-4);
}

.cca-loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  text-align: center;
  padding: var(--cca-space-8);
}

.cca-loading-screen p {
  color: var(--cca-text-secondary);
  font-size: var(--cca-text-lg);
}

/* Error Screen */
.cca-error-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  text-align: center;
  padding: var(--cca-space-8);
}

.cca-error-icon {
  font-size: 3rem;
  margin-bottom: var(--cca-space-4);
}

.cca-error-screen p {
  color: var(--cca-text-secondary);
  margin-bottom: var(--cca-space-6);
}

/* Quiz Header */
.cca-quiz-header {
  padding: var(--cca-space-4) var(--cca-space-6);
  text-align: center;
}

.cca-quiz-title {
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-xl);
  font-weight: var(--cca-font-semibold);
  color: var(--cca-text);
  margin: 0;
}

/* Question Screen - Full viewport, perfectly centered like Typeform */
.cca-question-screen {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0;
  margin: 0;
  width: 100%;
  height: 100vh;
  min-height: 100vh;
}

.cca-question-content {
  text-align: center;
  width: 100%;
  max-width: 800px;
  padding: 0 var(--cca-space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.cca-question-title {
  font-family: var(--cca-quiz-font-family, var(--cca-font-display));
  font-size: var(--cca-quiz-font-size, 3.5rem); /* Default: 56px - Typeform uses massive text */
  font-weight: 400; /* Lighter weight like Typeform */
  color: var(--cca-text);
  margin: 0 0 3rem;
  line-height: var(--cca-quiz-line-height, 1.2);
  letter-spacing: -0.03em;
  max-width: 100%;
}

@media (max-width: 768px) {
  .cca-question-title {
    /* Scale down proportionally on mobile if custom size is set */
    font-size: calc(var(--cca-quiz-font-size, 3.5rem) * 0.57); /* ~2rem for default */
  }
}

@media (min-width: 1200px) {
  .cca-question-title {
    /* Scale up proportionally on large screens if custom size is set */
    font-size: calc(var(--cca-quiz-font-size, 3.5rem) * 1.14); /* ~4rem for default */
  }
}

.cca-question-title .cca-required {
  color: var(--cca-error);
  margin-left: var(--cca-space-1);
}

.cca-question-response {
  margin-bottom: var(--cca-space-8);
  width: 100%;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Keyboard Hint - Hidden like Typeform */
.cca-keyboard-hint {
  display: none; /* Typeform doesn't show keyboard hints */
}

.cca-keyboard-hint span {
  display: inline-flex;
  align-items: center;
  gap: var(--cca-space-2);
}

/* Navigation Buttons - Hidden by default like Typeform */
.cca-navigation-buttons {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
  gap: var(--cca-space-4);
  padding: 0;
  border: none;
  opacity: 0.6; /* Subtle like Typeform */
  transition: opacity 0.2s;
}

.cca-navigation-buttons:hover {
  opacity: 1;
}

/* Scale Options - Enhanced */
.cca-opinion-scale {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--cca-space-4);
}

.cca-scale-options {
  display: flex;
  gap: var(--cca-space-3);
  justify-content: center;
}

.cca-scale-option {
  width: 80px; /* Larger like Typeform */
  height: 80px;
  border-radius: 50%;
  border: 3px solid rgba(0, 0, 0, 0.15);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: var(--cca-font-display);
  font-size: 1.5rem; /* 24px */
  font-weight: 500;
  color: var(--cca-text);
}

.cca-scale-option:hover {
  border-color: var(--cca-primary);
  background: rgba(99, 102, 241, 0.1);
  color: var(--cca-primary);
  transform: scale(1.1);
}

.cca-scale-option.selected {
  border-color: var(--cca-primary);
  background: var(--cca-primary);
  color: white;
  transform: scale(1.15);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.cca-scale-labels {
  display: flex;
  justify-content: space-between;
  width: 100%;
  max-width: 320px;
  font-size: var(--cca-text-sm);
  color: var(--cca-text-muted);
}

/* Rating Stars */
.cca-rating {
  display: flex;
  justify-content: center;
}

.cca-rating-stars {
  display: flex;
  gap: var(--cca-space-2);
}

.cca-star {
  font-size: 2.5rem;
  color: var(--cca-border);
  background: none;
  border: none;
  cursor: pointer;
  transition: all var(--cca-duration-fast) var(--cca-ease-out);
  padding: var(--cca-space-1);
}

.cca-star:hover {
  color: var(--cca-accent);
  transform: scale(1.15);
}

.cca-star.filled {
  color: var(--cca-accent);
  text-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

/* Multiple Choice */
.cca-multiple-choice {
  display: flex;
  flex-direction: column;
  gap: var(--cca-space-3);
  text-align: left;
}

.cca-mc-option {
  display: flex;
  align-items: center;
  gap: var(--cca-space-4);
  padding: var(--cca-space-4) var(--cca-space-5);
  background: var(--cca-surface);
  border: 2px solid var(--cca-border);
  border-radius: var(--cca-radius-lg);
  cursor: pointer;
  transition: all var(--cca-duration-fast) var(--cca-ease-out);
  text-align: left;
  width: 100%;
}

.cca-mc-option:hover {
  border-color: var(--cca-primary);
  background: var(--cca-primary-light);
}

.cca-mc-option.selected {
  border-color: var(--cca-primary);
  background: var(--cca-primary);
  color: var(--cca-text-inverse);
}

.cca-mc-indicator {
  width: 32px;
  height: 32px;
  border-radius: var(--cca-radius);
  background: var(--cca-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--cca-font-semibold);
  font-size: var(--cca-text-sm);
  flex-shrink: 0;
}

.cca-mc-option.selected .cca-mc-indicator {
  background: rgba(255, 255, 255, 0.2);
}

.cca-mc-label {
  flex: 1;
  font-size: var(--cca-text-base);
}

/* Yes/No */
.cca-yes-no {
  display: flex;
  gap: var(--cca-space-4);
  justify-content: center;
}

.cca-yn-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--cca-space-2);
  padding: var(--cca-space-6) var(--cca-space-8);
  background: var(--cca-surface);
  border: 2px solid var(--cca-border);
  border-radius: var(--cca-radius-lg);
  cursor: pointer;
  transition: all var(--cca-duration-fast) var(--cca-ease-out);
  min-width: 120px;
}

.cca-yn-option:hover {
  transform: translateY(-2px);
}

.cca-yn-yes:hover {
  border-color: var(--cca-success);
  background: var(--cca-success-light);
}

.cca-yn-no:hover {
  border-color: var(--cca-error);
  background: var(--cca-error-light);
}

.cca-yn-yes.selected {
  border-color: var(--cca-success);
  background: var(--cca-success);
  color: var(--cca-text-inverse);
}

.cca-yn-no.selected {
  border-color: var(--cca-error);
  background: var(--cca-error);
  color: var(--cca-text-inverse);
}

.cca-yn-icon {
  font-size: 1.5rem;
  font-weight: var(--cca-font-bold);
}

/* Text Inputs */
.cca-text-input {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}

.cca-input,
.cca-textarea {
  width: 100%;
  padding: var(--cca-space-4);
  font-family: var(--cca-font-body);
  font-size: var(--cca-text-base);
  border: 2px solid var(--cca-border);
  border-radius: var(--cca-radius-lg);
  background: var(--cca-surface);
  color: var(--cca-text);
  transition: all var(--cca-duration-fast) var(--cca-ease-out);
}

.cca-input:focus,
.cca-textarea:focus {
  outline: none;
  border-color: var(--cca-primary);
  box-shadow: 0 0 0 4px var(--cca-primary-light);
}

.cca-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Button Styles */
.cca-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--cca-space-2);
  padding: var(--cca-space-3) var(--cca-space-6);
  font-family: var(--cca-font-body);
  font-size: var(--cca-text-base);
  font-weight: var(--cca-font-medium);
  border-radius: var(--cca-radius-lg);
  cursor: pointer;
  transition: all var(--cca-duration-fast) var(--cca-ease-out);
  border: none;
  text-decoration: none;
}

.cca-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.cca-btn-primary {
  background: var(--cca-primary);
  color: var(--cca-text-inverse);
}

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

.cca-btn-secondary {
  background: var(--cca-surface);
  color: var(--cca-text);
  border: 1px solid var(--cca-border);
}

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

/* Progress Indicator */
.cca-progress-indicator {
  padding: var(--cca-space-4) var(--cca-space-6);
}

.cca-progress-bar {
  display: flex;
  align-items: center;
  gap: var(--cca-space-4);
}

.cca-progress-track {
  flex: 1;
  height: 6px;
  background: var(--cca-border);
  border-radius: var(--cca-radius-full);
  overflow: hidden;
}

.cca-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cca-primary), var(--cca-secondary));
  border-radius: var(--cca-radius-full);
  transition: width var(--cca-duration-normal) var(--cca-ease-out);
}

.cca-progress-text {
  font-size: var(--cca-text-sm);
  font-weight: var(--cca-font-medium);
  color: var(--cca-text-muted);
  white-space: nowrap;
}

/* Results Page */
.cca-results {
  min-height: 100vh;
  background: var(--cca-bg);
  padding: var(--cca-space-8);
}

.cca-results-header {
  text-align: center;
  margin-bottom: var(--cca-space-10);
}

.cca-results-title {
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-3xl);
  font-weight: var(--cca-font-bold);
  color: var(--cca-text);
  margin: 0 0 var(--cca-space-2);
}

.cca-results-date {
  color: var(--cca-text-muted);
  font-size: var(--cca-text-sm);
}

.cca-results-content {
  max-width: 800px;
  margin: 0 auto;
}

.cca-result-section {
  background: var(--cca-surface);
  border-radius: var(--cca-radius-xl);
  padding: var(--cca-space-6);
  margin-bottom: var(--cca-space-6);
  box-shadow: var(--cca-shadow-sm);
}

.cca-result-section h2 {
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-xl);
  font-weight: var(--cca-font-semibold);
  color: var(--cca-text);
  margin: 0 0 var(--cca-space-4);
}

/* Phenotype Badge */
.cca-phenotype-section {
  text-align: center;
}

.cca-phenotype-badge {
  display: inline-block;
  padding: var(--cca-space-4) var(--cca-space-8);
  background: linear-gradient(135deg, var(--cca-primary), var(--cca-secondary));
  border-radius: var(--cca-radius-full);
  margin-top: var(--cca-space-4);
  animation: cca-bounceIn 0.5s ease-out;
}

.cca-phenotype-text {
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-xl);
  font-weight: var(--cca-font-bold);
  color: var(--cca-text-inverse);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* GSI Section */
.cca-gsi-content {
  display: flex;
  align-items: center;
  gap: var(--cca-space-6);
  flex-wrap: wrap;
}

.cca-gsi-gauge {
  flex-shrink: 0;
}

.cca-gauge-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cca-primary-light), var(--cca-bg));
  border: 4px solid var(--cca-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.cca-gauge-value {
  font-family: var(--cca-font-display);
  font-size: var(--cca-text-2xl);
  font-weight: var(--cca-font-bold);
  color: var(--cca-primary);
}

.cca-gauge-label {
  font-size: var(--cca-text-sm);
  color: var(--cca-text-muted);
  text-transform: uppercase;
}

.cca-gsi-info {
  flex: 1;
}

.cca-severity-badge {
  display: inline-block;
  padding: var(--cca-space-2) var(--cca-space-4);
  border-radius: var(--cca-radius-full);
  color: var(--cca-text-inverse);
  font-weight: var(--cca-font-semibold);
  font-size: var(--cca-text-sm);
  margin-bottom: var(--cca-space-2);
}

/* Cluster Bars */
.cca-cluster-bars {
  display: flex;
  flex-direction: column;
  gap: var(--cca-space-4);
}

.cca-cluster-bar {
  animation: cca-slideUp 0.5s ease-out forwards;
  animation-fill-mode: both;
}

.cca-cluster-bar-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--cca-space-2);
}

.cca-cluster-bar-label {
  font-weight: var(--cca-font-medium);
  color: var(--cca-text);
}

.cca-cluster-bar-value {
  font-weight: var(--cca-font-semibold);
  color: var(--cca-primary);
}

.cca-cluster-bar-track {
  height: 12px;
  background: var(--cca-border);
  border-radius: var(--cca-radius-full);
  overflow: hidden;
}

.cca-cluster-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cca-primary), var(--cca-primary-hover));
  border-radius: var(--cca-radius-full);
  transition: width 0.8s var(--cca-ease-out);
}

/* Interpretation & Recommendations */
.cca-interpretation-content,
.cca-recommendations-content {
  color: var(--cca-text-secondary);
  line-height: var(--cca-leading-relaxed);
}

.cca-recommendations-list {
  display: flex;
  flex-direction: column;
  gap: var(--cca-space-3);
}

.cca-recommendation-item {
  display: flex;
  align-items: flex-start;
  gap: var(--cca-space-3);
  padding: var(--cca-space-3);
  background: var(--cca-bg-alt);
  border-radius: var(--cca-radius);
}

.cca-recommendation-icon {
  flex-shrink: 0;
}