/* ========================================
   CUSTOMER REVIEW ONLINE - MODERN UI
   Mobile-first, Touch-optimized
   ======================================== */

/* ========================================
   CSS VARIABLES
   ======================================== */
:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --primary-color: #667eea;
  --primary-dark: #5a67d8;
  --secondary-color: #764ba2;
  --success-color: #10b981;
  --success-light: #d1fae5;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --neutral-50: #f9fafb;
  --neutral-100: #f3f4f6;
  --neutral-200: #e5e7eb;
  --neutral-300: #d1d5db;
  --neutral-500: #6b7280;
  --neutral-700: #374151;
  --neutral-900: #111827;
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
  --border-radius: 16px;
  --border-radius-sm: 12px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* ========================================
   RESET & BASE
   ======================================== */
* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
  min-height: 100vh;
  color: var(--neutral-700);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ========================================
   HEADER
   ======================================== */
header {
  background: var(--primary-gradient) !important;
  padding: 1rem 1.5rem !important;
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
  position: sticky;
  top: 0;
  z-index: 100;
}

header h1 {
  font-weight: 700 !important;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo-url {
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
  border-radius: 8px;
}

/* ========================================
   MAIN CONTAINER
   ======================================== */
main.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem;
}

/* ========================================
   PROGRESS BAR
   ======================================== */
#progressBar {
  position: sticky;
  top: 72px;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
  margin-bottom: 1.5rem;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}

#progressFill {
  background: var(--primary-gradient) !important;
  height: 100%;
  border-radius: 999px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

#progressFill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shimmer 2s infinite;
}

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

/* ========================================
   SECTION CARDS
   ======================================== */
.section {
  background: white;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(255, 255, 255, 0.8);
  opacity: 1;
  transform: none;
}

.section h2 {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section h2::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

.section.hidden {
  display: none;
}

/* Show sections immediately without scroll-reveal */
.scroll-reveal {
  opacity: 1;
  transform: none;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: none;
}

/* ========================================
   INVOICE DETAILS GRID
   ======================================== */
#section1 .grid {
  gap: 1rem;
}

#section1 p {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: var(--neutral-50);
  border-radius: var(--border-radius-sm);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

#section1 p strong {
  color: var(--neutral-500);
  font-weight: 500;
}

#section1 p span {
  font-weight: 600;
  color: var(--neutral-900);
}

/* ========================================
   RATING OPTIONS
   ======================================== */
.rating-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem 0.5rem;
  background: var(--neutral-50);
  border: 2px solid transparent;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 100px;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.rating-option i {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  transition: transform var(--transition-fast);
}

.rating-option:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.rating-option:active {
  transform: scale(0.95);
}

/* Rating Colors */
.rating-option[data-value='1'] i {
  color: #ef4444;
}
.rating-option[data-value='2'] i {
  color: #f97316;
}
.rating-option[data-value='3'] i {
  color: #eab308;
}
.rating-option[data-value='4'] i {
  color: #3b82f6;
}
.rating-option[data-value='5'] i {
  color: #10b981;
}

/* Active States */
.rating-option.active {
  transform: scale(1.05) translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.rating-option.active[data-value='1'] {
  background: linear-gradient(135deg, #fee2e2, #fecaca) !important;
  border-color: #ef4444;
}

.rating-option.active[data-value='2'] {
  background: linear-gradient(135deg, #ffedd5, #fed7aa) !important;
  border-color: #f97316;
}

.rating-option.active[data-value='3'] {
  background: linear-gradient(135deg, #fef9c3, #fef08a) !important;
  border-color: #eab308;
}

.rating-option.active[data-value='4'] {
  background: linear-gradient(135deg, #dbeafe, #bfdbfe) !important;
  border-color: #3b82f6;
}

.rating-option.active[data-value='5'] {
  background: linear-gradient(135deg, #d1fae5, #a7f3d0) !important;
  border-color: #10b981;
}

.rating-option.active i {
  transform: scale(1.2);
}

.rating-option.inactive {
  opacity: 0.4;
  transform: scale(0.9);
  filter: grayscale(50%);
}

/* Bounce Animation */
@keyframes bounce {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.3);
  }
}

.bounce {
  animation: bounce 0.4s ease;
}

/* ========================================
   SATISFACTION/DISSATISFACTION REASONS
   ======================================== */
#section4 {
  border-left: 4px solid var(--danger-color);
}

#section5 {
  border-left: 4px solid var(--success-color);
}

.checkbox-option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--neutral-50);
  border: 2px solid transparent;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: 0.5rem;
  min-height: auto;
}

.checkbox-option:hover,
.checkbox-option.touched {
  background: #e0f2fe;
  border-color: var(--primary-color);
}

.checkbox-option.bg-blue-100 {
  background: linear-gradient(135deg, #dbeafe, #e0f2fe) !important;
  border-color: var(--primary-color);
}

.checkbox-option input[type='radio'],
.checkbox-option input[type='checkbox'] {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--primary-color);
  cursor: pointer;
}

.checkbox-option label {
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--neutral-700);
}

/* Satisfaction Chip Style */
.satisfaction-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--neutral-50);
  border: 2px solid var(--neutral-200);
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
  user-select: none;
  -webkit-user-select: none;
}

.satisfaction-chip:hover {
  border-color: var(--success-color);
  background: var(--success-light);
}

.satisfaction-chip.selected {
  background: var(--success-light);
  border-color: var(--success-color);
  color: #065f46;
}

.satisfaction-chip.selected::before {
  content: '✓';
  font-weight: bold;
  color: var(--success-color);
}

.dissatisfaction-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--neutral-50);
  border: 2px solid var(--neutral-200);
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
  user-select: none;
  -webkit-user-select: none;
}

.dissatisfaction-chip:hover {
  border-color: var(--danger-color);
  background: #fee2e2;
}

.dissatisfaction-chip.selected {
  background: #fee2e2;
  border-color: var(--danger-color);
  color: #991b1b;
}

.dissatisfaction-chip.selected::before {
  content: '✓';
  font-weight: bold;
  color: var(--danger-color);
}

/* Reason chips container */
.reason-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

/* Textarea */
textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--neutral-200);
  border-radius: var(--border-radius-sm);
  font-size: 0.95rem;
  resize: vertical;
  min-height: 80px;
  transition: border-color var(--transition-fast);
  font-family: inherit;
}

textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* ========================================
   BARBER SECTION
   ======================================== */
#barberRatings > div {
  background: linear-gradient(to bottom, var(--neutral-50), white);
  padding: 1rem;
  border-radius: var(--border-radius-sm);
  margin-bottom: 1.5rem;
}

#barberRatings h3 {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

/* ========================================
   PAYMENT SUMMARY
   ======================================== */
#section6 .space-y-2 > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: var(--neutral-50);
  border-radius: var(--border-radius-sm);
  margin-bottom: 0.5rem;
}

#section6 .space-y-2 > div:last-child {
  background: var(--primary-gradient);
  color: white;
  font-size: 1.1rem;
}

#section6 .space-y-2 > div:last-child span {
  color: white !important;
}

/* ========================================
   BUTTONS
   ======================================== */
#submitBtn {
  background: var(--primary-gradient) !important;
  color: white;
  font-weight: 600;
  padding: 1rem 2rem;
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
  font-size: 1rem;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

#submitBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

#submitBtn:active {
  transform: scale(0.98);
}

#submitBtn.hidden {
  display: none;
}

#editFeedbackBtn,
#homepage {
  background: white !important;
  color: var(--primary-color) !important;
  font-weight: 600;
  padding: 0.875rem 1.5rem;
  border-radius: var(--border-radius-sm);
  border: 2px solid var(--primary-color) !important;
  cursor: pointer;
  transition: all var(--transition-fast);
}

#editFeedbackBtn:hover,
#homepage:hover {
  background: var(--primary-gradient) !important;
  color: white !important;
  border-color: transparent !important;
}

/* ========================================
   SUCCESS MESSAGE
   ======================================== */
#successMessage {
  display: none;
  text-align: center;
  padding: 1.5rem;
}

#successMessage.show {
  display: block;
  animation: fadeIn 0.5s ease;
}

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

/* ========================================
   CONFIRMATION SECTION
   ======================================== */
#section7 {
  text-align: center;
}

#section7 .bg-green-100 {
  background: linear-gradient(135deg, #d1fae5, #a7f3d0) !important;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  animation: scaleIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

#section7 h2 {
  background: none !important;
  -webkit-text-fill-color: var(--neutral-900);
  text-align: center;
  justify-content: center;
}

#section7 h2::before {
  display: none;
}

#section7 .bg-blue-50 {
  background: linear-gradient(135deg, #eff6ff, #dbeafe) !important;
  border-radius: var(--border-radius);
  padding: 1.5rem;
}

/* ========================================
   MEMBERSHIP TAGS
   ======================================== */
.vip-tag {
  background: linear-gradient(135deg, #fef08a, #fcd34d) !important;
  color: #92400e !important;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
}

.premium-tag {
  background: linear-gradient(135deg, #e5e7eb, #d1d5db) !important;
  color: #374151 !important;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
}

.normal-tag {
  background: var(--neutral-100) !important;
  color: var(--neutral-700) !important;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.85rem;
}

/* ========================================
   FOOTER
   ======================================== */
footer {
  background: var(--primary-gradient) !important;
  padding: 1rem;
  text-align: center;
  font-size: 0.875rem;
}

/* ========================================
   RESPONSIVE - MOBILE FIRST
   ======================================== */
@media (max-width: 480px) {
  header {
    padding: 0.875rem 1rem !important;
  }

  header h1 {
    font-size: 1.25rem !important;
  }

  .logo-url {
    height: 32px !important;
  }

  main.container {
    padding: 0.75rem;
  }

  .section {
    padding: 1.25rem;
    border-radius: 12px;
  }

  .section h2 {
    font-size: 1.1rem;
  }

  /* 2 columns on small mobile */
  #section2 .grid,
  #section3 .grid,
  #barberRatings .grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.5rem !important;
  }

  .rating-option {
    padding: 0.75rem 0.25rem;
    min-height: 85px;
  }

  .rating-option i {
    font-size: 1.5rem;
  }

  .rating-option br + text {
    font-size: 0.8rem;
  }

  .reason-chips {
    gap: 0.375rem;
  }

  .satisfaction-chip,
  .dissatisfaction-chip {
    padding: 4px 8px;
    font-size: x-small;
  }

  #editFeedbackBtn,
  #homepage {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }
}

@media (min-width: 481px) and (max-width: 640px) {
  #section2 .grid,
  #section3 .grid,
  #barberRatings .grid {
    grid-template-columns: repeat(3, 1fr) !important;
  }
}

@media (min-width: 641px) {
  #section2 .grid,
  #section3 .grid,
  #barberRatings .grid {
    grid-template-columns: repeat(5, 1fr) !important;
  }

  .rating-option {
    min-height: 110px;
  }
}

/* ========================================
   TOUCH OPTIMIZATION
   ======================================== */
.touch-friendly {
  touch-action: manipulation;
  -webkit-touch-callout: none;
}

/* Prevent zoom on double tap */
button,
input,
select,
textarea {
  touch-action: manipulation;
}

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

/* Focus states */
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* ========================================
   STAR DISPLAY
   ======================================== */
#serviceStarsDisplay i,
#barberRatingsDisplay i {
  font-size: 1rem;
}

.fa-star.text-yellow-400 {
  color: #fbbf24 !important;
}

.fa-star.text-gray-300 {
  color: var(--neutral-300) !important;
}