/* Metabolic Assessment Wizard - Mobile-First Responsive Styling */
/* Phase 2, Task 2 Implementation */

:root {
  --tier-excellent: #10b981;
  --tier-good: #3b82f6;
  --tier-fair: #f59e0b;
  --tier-poor: #ef4444;
  --primary-color: #6366f1;
  --secondary-color: #f59e0b;
  --text-light: #6b7280;
  --border-light: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* ============================================
   BASE MOBILE STYLES (320px and up)
   ============================================ */

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px 0;
}

.metabolic-assessment-container {
  max-width: 100%;
  margin: 0 auto;
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-bottom: 20px;
}

.assessment-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 30px 20px;
  text-align: center;
}

.assessment-header h1 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.assessment-header p {
  margin: 0;
  font-size: 14px;
  opacity: 0.9;
}

.assessment-content {
  padding: 20px;
  min-height: 400px;
}

/* Progress Bar & Step Indicator */
#progressBar {
  margin-bottom: 30px;
}

.progress-steps {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  margin-bottom: 30px;
}

.progress-steps::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border-light);
  z-index: 0;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
  flex: 1;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: white;
  border: 2px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 8px;
  font-size: 16px;
}

.progress-step.active .step-number {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.progress-step.completed .step-number {
  background: var(--tier-excellent);
  color: transparent;
  border-color: var(--tier-excellent);
  font-size: 0;
}

.progress-step.completed .step-number::after {
  content: "✓";
  font-size: 16px;
  color: white;
  font-weight: 700;
}

.step-label {
  font-size: 12px;
  color: var(--text-light);
  text-align: center;
  max-width: 70px;
  line-height: 1.2;
}

.progress-step.active .step-label {
  color: var(--primary-color);
  font-weight: 600;
}

/* Form Sections */
.assessment-section {
  display: none;
  animation: fadeIn 0.3s ease-in;
}

.assessment-section.active,
#step1,
#step2,
#step3,
#step4,
#step5 {
  display: block;
}

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

/* Form Groups */
.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 12px;
  color: #1f2937;
  font-size: 15px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--border-light);
  border-radius: 8px;
  font-size: 16px;
  transition: border-color 0.3s ease;
  box-sizing: border-box;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Radio Button Options */
.options-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.option-label {
  display: flex;
  align-items: flex-start;
  padding: 16px;
  border: 2px solid var(--border-light);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  background: white;
}

.option-label input[type="radio"],
.option-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-right: 12px;
  margin-top: 2px;
  cursor: pointer;
  flex-shrink: 0;
  accent-color: var(--primary-color);
}

.option-content {
  flex: 1;
}

.option-content .option-text {
  display: block;
  font-weight: 500;
  color: #1f2937;
  margin-bottom: 4px;
  font-size: 14px;
}

.option-content .option-description {
  display: block;
  font-size: 13px;
  color: var(--text-light);
}

.option-content .option-points {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  margin-top: 6px;
}

/* Step 1: Email Gate */
#step1 {
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.05),
    rgba(118, 75, 162, 0.05)
  );
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 20px;
}

#step1 .form-group {
  margin-bottom: 16px;
}

#step1 h3 {
  font-size: 18px;
  margin: 0 0 16px 0;
  color: #1f2937;
}

/* Results Section (Step 6) */
.results-container {
  text-align: center;
}

.score-display {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  padding: 40px 20px;
  border-radius: 16px;
  color: white;
  margin-bottom: 24px;
}

.score-label {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.score-number {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 8px;
}

.score-description {
  font-size: 14px;
  opacity: 0.95;
}

/* Tier Card */
.tier-card {
  background: white;
  border: 3px solid var(--border-light);
  border-radius: 12px;
  padding: 24px 20px;
  margin-bottom: 24px;
  text-align: center;
}

.tier-emoji {
  font-size: 48px;
  margin-bottom: 12px;
  display: block;
}

.tier-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #1f2937;
  text-transform: capitalize;
}

.tier-description {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 12px;
}

/* Tier-Specific Colors */
.tier-card.tier-excellent {
  border-color: var(--tier-excellent);
  background: rgba(16, 185, 129, 0.05);
}

.tier-card.tier-excellent .tier-name {
  color: var(--tier-excellent);
}

.tier-card.tier-good {
  border-color: var(--tier-good);
  background: rgba(59, 130, 246, 0.05);
}

.tier-card.tier-good .tier-name {
  color: var(--tier-good);
}

.tier-card.tier-fair {
  border-color: var(--tier-fair);
  background: rgba(245, 158, 11, 0.05);
}

.tier-card.tier-fair .tier-name {
  color: var(--tier-fair);
}

.tier-card.tier-poor {
  border-color: var(--tier-poor);
  background: rgba(239, 68, 68, 0.05);
}

.tier-card.tier-poor .tier-name {
  color: var(--tier-poor);
}

/* Buttons */
.button-group {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.btn {
  flex: 1;
  padding: 14px 20px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: #4f46e5;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
  background: var(--border-light);
  color: #1f2937;
}

.btn-secondary:hover {
  background: #d1d5db;
}

.btn-success {
  background: var(--tier-excellent);
  color: white;
}

.btn-success:hover {
  background: #059669;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(16, 185, 129, 0.3);
}

.btn-whatsapp {
  background: #25d366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-whatsapp:hover {
  background: #1ead50;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(37, 211, 102, 0.3);
}

.btn-email {
  background: #ea4c89;
  color: white;
}

.btn-email:hover {
  background: #d63a6a;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(234, 76, 137, 0.3);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Next/Previous Button Navigation */
.button-navigation {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-top: 32px;
}

.button-navigation .btn {
  flex: 0 1 calc(50% - 6px);
}

/* Success Message */
.success-message {
  background: rgba(16, 185, 129, 0.1);
  border-left: 4px solid var(--tier-excellent);
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  color: var(--tier-excellent);
  font-size: 14px;
}

.success-message strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
}

/* Error Message */
.error-message {
  background: rgba(239, 68, 68, 0.1);
  border-left: 4px solid var(--tier-poor);
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  color: var(--tier-poor);
  font-size: 14px;
}

.error-message strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
}

/* ============================================
   TABLET STYLES (768px and up)
   ============================================ */

@media (min-width: 768px) {
  .metabolic-assessment-container {
    max-width: 600px;
    margin: 40px auto;
  }

  .assessment-header {
    padding: 40px 30px;
  }

  .assessment-header h1 {
    font-size: 28px;
  }

  .assessment-content {
    padding: 40px;
    min-height: 500px;
  }

  .score-display {
    padding: 60px 30px;
  }

  .score-number {
    font-size: 64px;
  }

  .button-group {
    gap: 16px;
  }

  .button-navigation {
    gap: 16px;
  }

  .progress-steps {
    margin-bottom: 40px;
  }

  .step-label {
    font-size: 13px;
    max-width: 100%;
  }

  .option-label {
    padding: 20px;
  }
}

/* ============================================
   DESKTOP STYLES (1024px and up)
   ============================================ */

@media (min-width: 1024px) {
  .metabolic-assessment-container {
    max-width: 700px;
    margin: 60px auto;
  }

  .assessment-header {
    padding: 50px 40px;
  }

  .assessment-header h1 {
    font-size: 32px;
  }

  .assessment-content {
    padding: 50px;
    min-height: 600px;
  }

  .form-group {
    margin-bottom: 28px;
  }

  .score-display {
    padding: 80px 40px;
    margin-bottom: 32px;
  }

  .score-number {
    font-size: 72px;
  }

  .tier-card {
    padding: 32px;
  }

  .tier-emoji {
    font-size: 64px;
  }

  .tier-name {
    font-size: 24px;
  }

  body {
    padding: 40px 20px;
  }
}

/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */

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

.assessment-section {
  animation: slideUp 0.3s ease-out;
}

/* Print Styles */
@media print {
  body {
    background: white;
  }

  .metabolic-assessment-container {
    box-shadow: none;
    margin: 0;
  }

  .button-navigation,
  .button-group {
    display: none;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}