/**
 * ERA Concept — Quiz v2.0
 * Clean white design for karkas landing
 * Converted from React (googleAI repo) to Vanilla
 * Date: 2026-01-14
 */

/* ============================================
   CSS Variables — Dark glass theme
   ============================================ */
:root {
  --quiz-glass-bg: rgba(20, 21, 26, 0.7);
  --quiz-accent: #C39A6B;
  --quiz-accent-light: #d4af7a;
  --quiz-border: rgba(255, 255, 255, 0.1);
  --quiz-text-primary: #ffffff;
  --quiz-text-secondary: rgba(255, 255, 255, 0.7);
  --quiz-whatsapp: #25D366;
  --quiz-telegram: #0088cc;
  --quiz-error: #dc2626;
}

/* ============================================
   Quiz Container — Dark Glass Card (864px like FAQ)
   ============================================ */
.quiz-v2 {
  width: 100%;
  max-width: 864px;
  margin: 0 auto;
  padding: 0;
}

.quiz-v2__card {
  background: var(--quiz-glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--quiz-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  border-radius: 16px;
  padding: 32px 40px;
  position: relative;
}

@media (max-width: 640px) {
  .quiz-v2__card {
    padding: 20px 16px;
    border-radius: 12px;
  }
}

/* ============================================
   Title — Light text on dark glass
   ============================================ */
.quiz-v2__title {
  color: var(--quiz-text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.75rem;
  margin-bottom: 12px;
  text-align: center;
}

.quiz-v2__subtitle {
  color: var(--quiz-text-secondary);
  margin-bottom: 20px;
  text-align: center;
  font-size: 0.95rem;
}

/* ============================================
   Progress Bar
   ============================================ */
.quiz-v2__progress-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.85rem;
  color: var(--quiz-text-secondary);
  font-weight: 600;
}

.quiz-v2__progress-track {
  height: 3px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 2px;
  margin-bottom: 20px;
  overflow: hidden;
}

.quiz-v2__progress-fill {
  height: 100%;
  background: var(--quiz-accent);
  border-radius: 2px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Step Container — Animations
   ============================================ */
.quiz-v2__viewport {
  overflow: hidden;
  position: relative;
}

.quiz-v2__track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.quiz-v2__step {
  width: 100%;
  flex-shrink: 0;
  opacity: 1;
}

/* Fade in animation for steps */
.quiz-v2__step.active {
  animation: quizFadeInSlide 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

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

/* Slide out animation */
.quiz-v2__step.slide-out {
  animation: quizSlideOut 0.3s ease forwards;
}

@keyframes quizSlideOut {
  to {
    opacity: 0;
    transform: translateY(-10px);
  }
}

/* ============================================
   Option Buttons Grid
   ============================================ */
.quiz-v2__options {
  display: grid;
  gap: 12px;
  width: 100%;
}

.quiz-v2__options--cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.quiz-v2__options--cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.quiz-v2__options--cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {
  .quiz-v2__options--cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .quiz-v2__options--cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .quiz-v2__options--cols-2,
  .quiz-v2__options--cols-3,
  .quiz-v2__options--cols-4 {
    grid-template-columns: 1fr;
  }
  .quiz-v2__options--mobile-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   Option Button — Dark glass theme
   ============================================ */
.quiz-v2__option {
  position: relative;
  padding: 16px 20px;
  text-align: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: var(--quiz-text-primary);
  font-family: 'Manrope', 'Rising Sun', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
}

.quiz-v2__option:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(195, 154, 107, 0.5);
}

.quiz-v2__option.selected {
  background: rgba(195, 154, 107, 0.2);
  border-color: var(--quiz-accent);
  color: var(--quiz-text-primary);
}

.quiz-v2__option.span-2 {
  grid-column: span 2;
}

.quiz-v2__option.span-3 {
  grid-column: span 3;
}

@media (max-width: 480px) {
  .quiz-v2__option.span-2,
  .quiz-v2__option.span-3 {
    grid-column: span 1;
  }
}

/* ============================================
   Inputs — Dark glass theme
   ============================================ */
.quiz-v2__input {
  width: 100%;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: var(--quiz-text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.25s ease;
  outline: none;
}

.quiz-v2__input:focus {
  border-color: var(--quiz-accent);
  box-shadow: 0 0 0 3px rgba(195, 154, 107, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.quiz-v2__input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.quiz-v2__input.input-error {
  border-color: var(--quiz-error);
  animation: quizShake 0.4s ease-in-out;
}

@keyframes quizShake {
  10%, 90% { transform: translate3d(-1px, 0, 0); }
  20%, 80% { transform: translate3d(2px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
  40%, 60% { transform: translate3d(4px, 0, 0); }
}

/* ============================================
   Submit Button — Light theme
   ============================================ */
.quiz-v2__submit {
  width: 100%;
  padding: 14px 20px;
  background: var(--quiz-accent);
  border: none;
  border-radius: 10px;
  color: #ffffff;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 16px;
}

.quiz-v2__submit:hover {
  background: var(--quiz-accent-light);
}

.quiz-v2__submit:active {
  transform: scale(0.98);
}

.quiz-v2__submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   Delivery Toggles (WhatsApp / Telegram) — Light theme
   ============================================ */
.quiz-v2__delivery-toggle {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.quiz-v2__delivery-btn {
  flex: 1;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #e0e0e0;
  background: #ffffff;
  color: #555555;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
  font-weight: 600;
  font-size: 0.9rem;
}

.quiz-v2__delivery-btn:hover {
  background: #fafafa;
}

.quiz-v2__delivery-btn.active.whatsapp {
  background: rgba(37, 211, 102, 0.1);
  border-color: var(--quiz-whatsapp);
  color: var(--quiz-whatsapp);
}

.quiz-v2__delivery-btn.active.telegram {
  background: rgba(0, 136, 204, 0.1);
  border-color: var(--quiz-telegram);
  color: var(--quiz-telegram);
}

/* ============================================
   Checkbox — Light theme
   ============================================ */
.quiz-v2__checkbox-wrapper {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--quiz-text-secondary);
  cursor: pointer;
}

.quiz-v2__checkbox-visual {
  width: 18px;
  height: 18px;
  min-width: 18px;
  border: 1px solid #d0d0d0;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  background: #ffffff;
}

.quiz-v2__checkbox-wrapper input:checked + .quiz-v2__checkbox-visual {
  background: var(--quiz-accent);
  border-color: var(--quiz-accent);
  color: #ffffff;
}

.quiz-v2__checkbox-wrapper .input-error {
  border-color: var(--quiz-error);
}

/* ============================================
   Success Screen — Light theme
   ============================================ */
.quiz-v2__success {
  text-align: center;
  padding: 30px 0;
  animation: quizFadeInSlide 0.5s ease forwards;
}

.quiz-v2__success-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(195, 154, 107, 0.15);
  color: var(--quiz-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.quiz-v2__success-title {
  color: var(--quiz-text-primary);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.quiz-v2__success-text {
  color: var(--quiz-text-secondary);
  font-size: 1rem;
  line-height: 1.5;
}

/* ============================================
   Subquestion Animation — Light theme
   ============================================ */
.quiz-v2__subquestion {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #e0e0e0;
  animation: quizFadeInSlide 0.4s ease forwards;
}

.quiz-v2__subquestion.hidden {
  display: none;
}

/* ============================================
   Form Fields Stack
   ============================================ */
.quiz-v2__form-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ============================================
   Error Message
   ============================================ */
.quiz-v2__error {
  color: var(--quiz-error);
  font-size: 0.85rem;
  margin-top: 8px;
  display: none;
}

.quiz-v2__error.visible {
  display: block;
}

/* ============================================
   Accessibility
   ============================================ */
.quiz-v2__option:focus-visible,
.quiz-v2__delivery-btn:focus-visible,
.quiz-v2__submit:focus-visible {
  outline: 2px solid var(--quiz-accent);
  outline-offset: 2px;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .quiz-v2__track,
  .quiz-v2__step,
  .quiz-v2__option,
  .quiz-v2__progress-fill,
  .quiz-v2__submit {
    transition: none !important;
    animation: none !important;
  }
}

/* ============================================
   Honeypot (hidden)
   ============================================ */
.quiz-v2__honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
}