/* ============================================
   QUIZ MODAL - Typeform-style Interactive Quiz
   ============================================ */

/* CSS Variables for Easy Customization */
:root {
  --quiz-color-main: #667eea;
  --quiz-color-main-dark: #5568d3;
  --quiz-color-bg: #ffffff;
  --quiz-color-text: #1a202c;
  --quiz-color-text-light: #718096;
  --quiz-color-border: #e2e8f0;
  --quiz-color-error: #f56565;
  --quiz-color-success: #48bb78;
  --quiz-overlay-bg: rgba(0, 0, 0, 0.75);
  --quiz-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --quiz-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --quiz-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --quiz-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --quiz-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --quiz-shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --quiz-color-bg: #1a202c;
    --quiz-color-text: #f7fafc;
    --quiz-color-text-light: #cbd5e0;
    --quiz-color-border: #2d3748;
  }
}

/* ============================================
   MODAL BASE STYLES
   ============================================ */

.quiz-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.quiz-modal.is-active {
  opacity: 1;
  visibility: visible;
}

.quiz-modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--quiz-overlay-bg);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease;
}

.quiz-modal__container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--quiz-color-bg);
  overflow: hidden;
  animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (min-width: 768px) {
  .quiz-modal__container {
    width: 90%;
    max-width: 700px;
    height: auto;
    min-height: 500px;
    max-height: 90vh;
    margin: 5vh auto;
    border-radius: 1rem;
    box-shadow: var(--quiz-shadow-xl);
  }
}

/* ============================================
   CLOSE BUTTON
   ============================================ */

.quiz-modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--quiz-color-text-light);
  transition: var(--quiz-transition);
  z-index: 10;
}

.quiz-modal__close:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--quiz-color-text);
  transform: rotate(90deg);
}

.quiz-modal__close:active {
  transform: rotate(90deg) scale(0.95);
}

/* ============================================
   PROGRESS BAR
   ============================================ */

.quiz-modal__progress-container {
  padding: 1.5rem 2rem 1rem;
  background: var(--quiz-color-bg);
  border-bottom: 1px solid var(--quiz-color-border);
}

.quiz-modal__progress-bar {
  width: 100%;
  height: 0.5rem;
  background: var(--quiz-color-border);
  border-radius: 1rem;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.quiz-modal__progress-fill {
  height: 100%;
  background: var(--color-main, var(--quiz-color-main));
  border-radius: 1rem;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0%;
  position: relative;
  overflow: hidden;
}

.quiz-modal__progress-fill::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: shimmer 2s infinite;
}

.quiz-modal__progress-text {
  font-size: 0.875rem;
  color: var(--quiz-color-text-light);
  text-align: center;
  font-weight: 500;
}

/* ============================================
   CONTENT AREA
   ============================================ */

.quiz-modal__content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 2rem;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 768px) {
  .quiz-modal__content {
    padding: 3rem;
  }
}

.quiz-modal__slides {
  position: relative;
  min-height: 300px;
}

.quiz-modal__slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  transform: translateX(100%);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.quiz-modal__slide.is-active {
  position: relative;
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.quiz-modal__slide.is-exiting {
  transform: translateX(-100%);
}

/* ============================================
   QUESTION HEADER
   ============================================ */

.quiz-modal__question-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.quiz-modal__emoji {
  font-size: 2rem;
  line-height: 1;
  animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.quiz-modal__question-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--color-main, var(--quiz-color-main));
  color: white;
  border-radius: 50%;
  font-size: 0.875rem;
  font-weight: 700;
  animation: scaleIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ============================================
   QUESTION TEXT
   ============================================ */

.quiz-modal__question-text {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--quiz-color-text);
  line-height: 1.3;
  margin: 0 0 1rem 0;
  animation: fadeInUp 0.5s ease;
}

@media (max-width: 767px) {
  .quiz-modal__question-text {
    font-size: 1.5rem;
  }
}

.quiz-modal__question-description {
  font-size: 1rem;
  color: var(--quiz-color-text-light);
  line-height: 1.6;
  margin: 0 0 2rem 0;
  animation: fadeInUp 0.5s ease 0.1s backwards;
}

/* ============================================
   ANSWER AREA
   ============================================ */

.quiz-modal__answer-area {
  margin-top: 2rem;
  animation: fadeInUp 0.5s ease 0.2s backwards;
}

/* ============================================
   INPUT FIELDS
   ============================================ */

.quiz-modal__input {
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: 1.125rem;
  font-family: var(--quiz-font-family);
  color: var(--quiz-color-text);
  background: var(--quiz-color-bg);
  border: 2px solid var(--quiz-color-border);
  border-radius: 0.5rem;
  transition: var(--quiz-transition);
  outline: none;
}

.quiz-modal__input:focus {
  border-color: var(--color-main, var(--quiz-color-main));
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.quiz-modal__input::placeholder {
  color: var(--quiz-color-text-light);
  opacity: 0.6;
}

.quiz-modal__input.is-invalid {
  border-color: var(--quiz-color-error);
  animation: shake 0.4s ease;
}

.quiz-modal__input-hint {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--quiz-color-text-light);
}

/* ============================================
   OPTIONS (Radio & Checkbox)
   ============================================ */

.quiz-modal__options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.quiz-modal__option {
  position: relative;
  display: flex;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: var(--quiz-color-bg);
  border: 2px solid var(--quiz-color-border);
  border-radius: 0.75rem;
  cursor: pointer;
  transition: var(--quiz-transition);
  user-select: none;
}

.quiz-modal__option:hover {
  border-color: var(--color-main, var(--quiz-color-main));
  box-shadow: var(--quiz-shadow-md);
  transform: translateY(-2px);
}

.quiz-modal__option input[type="radio"],
.quiz-modal__option input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.quiz-modal__option input:checked + .quiz-modal__option-content {
  color: var(--color-main, var(--quiz-color-main));
  font-weight: 600;
}

.quiz-modal__option input:checked ~ .quiz-modal__option-checkmark {
  opacity: 1;
  transform: scale(1);
}

.quiz-modal__option input:checked ~ {
  border-color: var(--color-main, var(--quiz-color-main));
  background: rgba(102, 126, 234, 0.05);
}

.quiz-modal__option-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  transition: var(--quiz-transition);
}

.quiz-modal__option-emoji {
  font-size: 1.5rem;
  line-height: 1;
}

.quiz-modal__option-text {
  font-size: 1.125rem;
  color: var(--quiz-color-text);
  line-height: 1.4;
}

.quiz-modal__option-checkmark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-main, var(--quiz-color-main));
  opacity: 0;
  transform: scale(0);
  transition: var(--quiz-transition);
}

/* ============================================
   RATING SCALE
   ============================================ */

.quiz-modal__rating {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin: 2rem 0;
}

.quiz-modal__rating-star {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  color: var(--quiz-color-border);
  transition: var(--quiz-transition);
}

.quiz-modal__rating-star:hover,
.quiz-modal__rating-star.is-hovered {
  color: #fbbf24;
  transform: scale(1.1);
}

.quiz-modal__rating-star.is-selected {
  color: #fbbf24;
}

.quiz-modal__rating-star svg {
  display: block;
  fill: currentColor;
  stroke: currentColor;
}

.quiz-modal__rating-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--quiz-color-text-light);
  margin-top: 1rem;
}

/* ============================================
   ERROR MESSAGE
   ============================================ */

.quiz-modal__error {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(245, 101, 101, 0.1);
  border-left: 3px solid var(--quiz-color-error);
  border-radius: 0.25rem;
  color: var(--quiz-color-error);
  font-size: 0.875rem;
  font-weight: 500;
}

/* ============================================
   NAVIGATION BUTTONS
   ============================================ */

.quiz-modal__navigation {
  display: flex;
  gap: 1rem;
  padding: 1.5rem 2rem;
  background: var(--quiz-color-bg);
  border-top: 1px solid var(--quiz-color-border);
}

@media (max-width: 767px) {
  .quiz-modal__navigation {
    padding: 1rem;
  }
}

.quiz-modal__nav-button {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--quiz-font-family);
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: var(--quiz-transition);
  position: relative;
  overflow: hidden;
}

.quiz-modal__nav-button--prev {
  background: transparent;
  color: var(--quiz-color-text);
  border: 2px solid var(--quiz-color-border);
}

.quiz-modal__nav-button--prev:hover {
  background: rgba(0, 0, 0, 0.05);
  border-color: var(--quiz-color-text-light);
}

.quiz-modal__nav-button--next,
.quiz-modal__nav-button--submit {
  background: var(--color-main, var(--quiz-color-main));
  color: white;
  box-shadow: var(--quiz-shadow-md);
}

.quiz-modal__nav-button--next:hover,
.quiz-modal__nav-button--submit:hover {
  background: var(--color-main, var(--quiz-color-main-dark));
  box-shadow: var(--quiz-shadow-lg);
  transform: translateY(-2px);
}

.quiz-modal__nav-button:active {
  transform: translateY(0);
}

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

.quiz-modal__nav-button svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* ============================================
   SUCCESS SCREEN
   ============================================ */

.quiz-modal__slide--success {
  text-align: center;
  padding: 2rem 0;
}

.quiz-modal__success-animation {
  margin: 0 auto 2rem;
  animation: scaleIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.quiz-modal__success-animation svg {
  display: block;
  margin: 0 auto;
}

.quiz-modal__success-animation circle,
.quiz-modal__success-animation path {
  stroke-dasharray: 300;
  stroke-dashoffset: 300;
  animation: drawStroke 0.8s ease forwards 0.2s;
}

.quiz-modal__success-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--quiz-color-text);
  margin: 0 0 1rem 0;
  animation: fadeInUp 0.5s ease 0.4s backwards;
}

.quiz-modal__success-message {
  font-size: 1.125rem;
  color: var(--quiz-color-text-light);
  line-height: 1.6;
  margin: 0 0 2rem 0;
  animation: fadeInUp 0.5s ease 0.5s backwards;
}

.quiz-modal__calendar-container {
  margin: 2rem 0;
  animation: fadeInUp 0.5s ease 0.6s backwards;
}

.quiz-modal__calendar-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: white;
  background: var(--color-main, var(--quiz-color-main));
  border: none;
  border-radius: 0.5rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--quiz-transition);
  box-shadow: var(--quiz-shadow-md);
}

.quiz-modal__calendar-button:hover {
  background: var(--color-main, var(--quiz-color-main-dark));
  box-shadow: var(--quiz-shadow-lg);
  transform: translateY(-2px);
}

.quiz-modal__close-button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  color: var(--quiz-color-text-light);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: var(--quiz-transition);
  text-decoration: underline;
}

.quiz-modal__close-button:hover {
  color: var(--quiz-color-text);
  text-decoration: none;
}

/* ============================================
   MOTIVATIONAL MESSAGE
   ============================================ */

.quiz-modal__motivation {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  max-width: 400px;
  padding: 2rem;
  background: white;
  border-radius: 1rem;
  box-shadow: var(--quiz-shadow-xl);
  text-align: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: var(--quiz-transition);
}

.quiz-modal__motivation.is-visible {
  opacity: 1;
  visibility: visible;
  animation: scaleIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.quiz-modal__motivation-text {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--quiz-color-text);
  margin: 0;
}

/* ============================================
   EXIT INTENT MODAL
   ============================================ */

.quiz-exit-intent {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.quiz-exit-intent.is-active {
  opacity: 1;
  visibility: visible;
}

.quiz-exit-intent__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
}

.quiz-exit-intent__content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 500px;
  padding: 2.5rem;
  background: var(--quiz-color-bg);
  border-radius: 1rem;
  box-shadow: var(--quiz-shadow-xl);
  text-align: center;
  animation: scaleIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.quiz-exit-intent__content h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--quiz-color-text);
  margin: 0 0 1rem 0;
}

.quiz-exit-intent__content p {
  font-size: 1.125rem;
  color: var(--quiz-color-text-light);
  line-height: 1.6;
  margin: 0 0 2rem 0;
}

.quiz-exit-intent__buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.quiz-exit-intent__button {
  padding: 1rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--quiz-font-family);
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: var(--quiz-transition);
}

.quiz-exit-intent__button--continue {
  background: var(--color-main, var(--quiz-color-main));
  color: white;
  box-shadow: var(--quiz-shadow-md);
}

.quiz-exit-intent__button--continue:hover {
  background: var(--color-main, var(--quiz-color-main-dark));
  box-shadow: var(--quiz-shadow-lg);
  transform: translateY(-2px);
}

.quiz-exit-intent__button--exit {
  background: transparent;
  color: var(--quiz-color-text-light);
  text-decoration: underline;
}

.quiz-exit-intent__button--exit:hover {
  color: var(--quiz-color-text);
  text-decoration: none;
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-5px);
  }
  20%,
  40%,
  60%,
  80% {
    transform: translateX(5px);
  }
}

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

@keyframes drawStroke {
  to {
    stroke-dashoffset: 0;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.quiz-modal--loading .quiz-modal__nav-button {
  pointer-events: none;
  opacity: 0.6;
}

.quiz-modal--loading .quiz-modal__nav-button::after {
  content: "";
  position: absolute;
  width: 1rem;
  height: 1rem;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ============================================
   ACCESSIBILITY
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.quiz-modal__skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--quiz-color-main);
  color: white;
  padding: 0.5rem 1rem;
  text-decoration: none;
  border-radius: 0.25rem;
}

.quiz-modal__skip-link:focus {
  top: 0;
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  .quiz-modal,
  .quiz-exit-intent {
    display: none !important;
  }
}