/* MostlyPlants Quiz - Mobile-First Styles */

:root {
  --primary: #22c55e;
  --primary-dark: #16a34a;
  --primary-light: #dcfce7;
  --bg: #fafafa;
  --card-bg: #ffffff;
  --text: #1a1a1a;
  --text-secondary: #6b7280;
  --border: #e5e7eb;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --radius: 12px;
  --radius-lg: 16px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Progress Bar */
.progress-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--card-bg);
  padding: 12px 16px;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.progress-bar {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: var(--progress, 10%);
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Quiz Container */
.quiz-container {
  flex: 1;
  display: flex;
  padding-top: 60px;
}

.step {
  display: none;
  width: 100%;
  min-height: calc(100vh - 60px);
  padding: 24px 20px 100px;
  animation: fadeIn 0.3s ease;
}

.step.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-content {
  max-width: 480px;
  width: 100%;
  text-align: center;
}

/* Welcome Step */
.icon {
  font-size: 56px;
  margin-bottom: 16px;
}

h1 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 12px;
}

.subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.benefits {
  list-style: none;
  text-align: left;
  margin: 0 auto 32px;
  max-width: 280px;
}

.benefits li {
  padding: 8px 0;
  color: var(--text-secondary);
  font-size: 15px;
}

/* Buttons */
.btn-primary {
  background: var(--primary);
  color: white;
  border: none;
  padding: 16px 32px;
  font-size: 17px;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
  max-width: 320px;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary.large {
  padding: 18px 36px;
  font-size: 18px;
}

.btn-link {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 15px;
  cursor: pointer;
  padding: 12px;
  margin-top: 8px;
}

.btn-link:hover {
  color: var(--text);
}

.disclaimer {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* Step Titles */
h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* Option Cards */
.options-grid {
  display: grid;
  gap: 12px;
}

.option-card {
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

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

.option-card.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}

.option-card.horizontal {
  flex-direction: row;
  text-align: left;
  padding: 16px 20px;
}

.option-icon {
  font-size: 28px;
}

.option-card.horizontal .option-icon {
  font-size: 32px;
  width: 48px;
}

.option-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.option-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

.option-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.options-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Checkbox Grid */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.checkbox-card {
  cursor: pointer;
}

.checkbox-card input {
  display: none;
}

.checkbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 12px;
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.2s;
  font-size: 14px;
  font-weight: 500;
}

.checkbox-icon {
  font-size: 24px;
}

.checkbox-card input:checked + .checkbox-content {
  border-color: var(--primary);
  background: var(--primary-light);
}

/* Number Inputs */
.input-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.number-input {
  width: 120px;
  padding: 16px;
  font-size: 24px;
  font-weight: 600;
  text-align: center;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  transition: border-color 0.2s;
}

.number-input:focus {
  outline: none;
  border-color: var(--primary);
}

.number-input::placeholder,
.text-input::placeholder {
  color: #c0c4cc;
  opacity: 1;
}

.number-input.small {
  width: 80px;
  font-size: 20px;
}

.input-unit {
  font-size: 16px;
  color: var(--text-secondary);
}

.measurement-group {
  margin-bottom: 20px;
}

.measurement-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.optional {
  font-weight: 400;
  opacity: 0.7;
}

.height-inputs {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.height-inputs .input-group {
  margin-bottom: 0;
}

/* Email Input */
.email-input {
  margin-bottom: 16px;
}

.text-input {
  width: 100%;
  max-width: 320px;
  padding: 16px 20px;
  font-size: 17px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  transition: border-color 0.2s;
}

.text-input:focus {
  outline: none;
  border-color: var(--primary);
}

.privacy-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* Results Page */
.results-content {
  max-width: 480px;
  width: 100%;
  padding-bottom: 40px;
}

.results-header {
  text-align: center;
  margin-bottom: 24px;
}

.checkmark {
  width: 64px;
  height: 64px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto 16px;
}

.results-header p {
  color: var(--text-secondary);
}

.results-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.results-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

.card-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: -12px;
  margin-bottom: 16px;
}

/* Macros */
.macro-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.macro-item {
  text-align: center;
}

.macro-value {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-dark);
}

.macro-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Daily Dozen Grid */
.daily-dozen-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.dozen-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--primary-light);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
}

.dozen-item span:first-child {
  font-size: 18px;
}

/* Sample Day */
.meal-preview {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.meal-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.meal-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.meal-time {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.meal-name {
  font-size: 14px;
  font-weight: 500;
  text-align: right;
}

.results-note {
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 12px;
}

/* Back Button */
.back-btn {
  position: fixed;
  bottom: 20px;
  left: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  display: none;
  box-shadow: var(--shadow);
}

.back-btn.visible {
  display: block;
}

.back-btn:hover {
  background: var(--bg);
  color: var(--text);
}

/* Interstitials */
.step.interstitial {
  cursor: pointer;
}

.interstitial-content {
  text-align: center;
}

.interstitial-icon {
  font-size: 64px;
  margin-bottom: 16px;
  animation: bounce 0.6s ease;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.interstitial-text {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.5;
}

.stats-row {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 32px;
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 150px;
  display: block;
  margin-top: 8px;
}

.tap-continue {
  font-size: 14px;
  color: var(--text-secondary);
  opacity: 0.7;
  margin-top: 24px;
}

/* Meal preview mini (interstitial) */
.meal-preview-mini {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
}

.preview-meal {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--primary-light);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  animation: slideIn 0.4s ease;
  animation-fill-mode: both;
}

.preview-meal:nth-child(1) { animation-delay: 0.1s; }
.preview-meal:nth-child(2) { animation-delay: 0.2s; }
.preview-meal:nth-child(3) { animation-delay: 0.3s; }

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

.preview-emoji {
  font-size: 24px;
}

.reassurance {
  font-size: 15px;
  color: var(--primary-dark);
  font-weight: 500;
  margin-bottom: 16px;
}

/* Loading spinner */
.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 24px;
}

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

/* Loading steps */
.loading-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 280px;
  margin: 0 auto;
}

.loading-step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--card-bg);
  border-radius: 8px;
  font-size: 15px;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.loading-step .check {
  opacity: 0;
  color: var(--primary);
  font-weight: bold;
  transition: opacity 0.3s ease;
}

.loading-step.done {
  color: var(--text);
  border-color: var(--primary);
  background: var(--primary-light);
}

.loading-step.done .check {
  opacity: 1;
}

/* Testimonial box */
.testimonial-box {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  margin: 24px 0;
  box-shadow: var(--shadow);
  text-align: left;
}

.testimonial-quote {
  font-size: 16px;
  font-style: italic;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 8px;
}

.testimonial-author {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Dr. quote */
.dr-quote {
  margin-top: 20px;
  padding: 16px;
  background: var(--primary-light);
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
}

.dr-quote p {
  font-size: 15px;
  color: var(--text);
  font-style: italic;
  margin-bottom: 8px;
}

.dr-quote .quote-author {
  font-size: 13px;
  color: var(--primary-dark);
  font-weight: 600;
  font-style: normal;
  margin-bottom: 0;
}

/* Progress circle (analyzing) */
.analyzing-progress {
  margin-bottom: 24px;
}

.progress-circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  font-size: 28px;
  font-weight: 700;
  color: white;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* Recipe count display (4i) */
.recipe-count-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 24px 0;
}

.count-number {
  font-size: 72px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  animation: countUp 0.5s ease-out;
}

@keyframes countUp {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}

.count-label {
  font-size: 16px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* Safety badges (5i) */
.safety-badges {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 280px;
  margin: 24px auto;
}

.safety-badge {
  padding: 12px 20px;
  background: var(--primary-light);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--primary-dark);
  animation: slideIn 0.4s ease;
  animation-fill-mode: both;
}

.safety-badge:nth-child(1) { animation-delay: 0.1s; }
.safety-badge:nth-child(2) { animation-delay: 0.25s; }

/* Benefit fact (9i) */
.benefit-fact {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--card-bg);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 20px;
  box-shadow: var(--shadow);
  text-align: left;
}

.benefit-fact span {
  font-size: 24px;
}

.benefit-fact.featured {
  background: linear-gradient(135deg, var(--primary-light) 0%, rgba(34, 197, 94, 0.15) 100%);
  border: 1px solid var(--primary);
  color: var(--text);
  font-weight: 500;
  justify-content: center;
  text-align: center;
}

/* Celebration burst (6i) */
.celebration-burst {
  font-size: 80px;
  margin-bottom: 16px;
  animation: celebrationBounce 0.8s ease;
}

@keyframes celebrationBounce {
  0% { transform: scale(0) rotate(-15deg); opacity: 0; }
  50% { transform: scale(1.2) rotate(5deg); }
  70% { transform: scale(0.9) rotate(-3deg); }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

/* Unlocks list (6i) */
.unlocks-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 280px;
  margin: 24px auto;
}

.unlock-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--card-bg);
  border-radius: 10px;
  font-size: 15px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  animation: unlockSlideIn 0.4s ease;
  animation-fill-mode: both;
}

.unlock-item:nth-child(1) { animation-delay: 0.1s; }
.unlock-item:nth-child(2) { animation-delay: 0.2s; }
.unlock-item:nth-child(3) { animation-delay: 0.3s; }
.unlock-item:nth-child(4) { animation-delay: 0.4s; }
.unlock-item:nth-child(5) { animation-delay: 0.5s; }

@keyframes unlockSlideIn {
  from { 
    opacity: 0; 
    transform: translateX(-15px); 
  }
  to { 
    opacity: 1; 
    transform: translateX(0); 
  }
}

.unlock-check {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.unlock-item.done {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--text);
  font-weight: 500;
}

.unlock-item.done .unlock-check {
  color: var(--primary);
}

.unlock-item.pending {
  color: var(--text-secondary);
  opacity: 0.7;
}

.unlock-item.pending .unlock-check {
  color: var(--text-secondary);
}

/* Profile preview (7i) */
.profile-preview {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}

.preview-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 32px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.preview-label {
  font-size: 13px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.preview-value {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-dark);
}

/* Tablet+ */
@media (min-width: 640px) {
  .step {
    padding: 32px 24px 120px;
  }

  h1 {
    font-size: 36px;
  }

  h2 {
    font-size: 28px;
  }

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

  .daily-dozen-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .option-card:not(.horizontal) {
    padding: 24px;
  }

  .options-grid:not(.options-list) {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}

/* Social Proof Carousel (9ii) */
.testimonial-carousel {
  position: relative;
  min-height: 160px;
  margin: 24px 0;
}

.testimonial-card {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: white;
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.4s ease;
  pointer-events: none;
}

.testimonial-card.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.testimonial-stars {
  font-size: 14px;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 15px;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 12px;
  font-style: italic;
}

.testimonial-name {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 16px 0;
}

.carousel-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: all 0.3s ease;
}

.carousel-dots .dot.active {
  background: var(--primary);
  width: 24px;
  border-radius: 4px;
}

.social-stats {
  margin-top: 20px;
}

.social-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.social-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  animation: countUp 0.6s ease;
}

.social-label {
  font-size: 14px;
  color: var(--text-secondary);
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Commitment Screen (9iii) */
.commitment-icon {
  font-size: 56px;
  margin-bottom: 12px;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.profile-summary {
  background: linear-gradient(135deg, var(--primary-light), #e0f7fa);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin: 24px 0;
  text-align: left;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

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

.summary-label {
  font-size: 14px;
  color: var(--text-secondary);
}

.summary-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.commitment-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: white;
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  margin: 16px 0;
  animation: badgeBounce 0.6s ease;
}

.commitment-badge span {
  font-size: 16px;
}

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

.commitment-cta {
  font-size: 15px;
  color: var(--text-secondary);
  margin-top: 16px;
}