/* Tier Selection - responsive, accessible styles */
/* Mobile-first: stacked cards (375px), table shown at tablet+ (768px+) */

:root {
  --cid-primary: #003366;
  --cid-accent: #ff6600;
  --cid-neutral-100: #f3f4f6;
  --cid-neutral-300: #d1d5db;
  --cid-neutral-700: #374151;
}

.tier-selection-container {
  background: transparent;
  margin-top: 12px;
  width: 100%;
  overflow: hidden;
}

/* Comparison table: responsive container */
.tier-comparison {
  width: 100%;
  overflow-x: auto;
}

.tier-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--cid-neutral-700);
  table-layout: auto;
}

.tier-table th,
.tier-table td {
  padding: 10px 12px;
  border: 1px solid var(--cid-neutral-300);
  vertical-align: top;
  text-align: left;
}

.tier-table thead th {
  background: #fafafa;
  font-weight: 600;
  white-space: nowrap;
}

.tier-table .feature-col {
  width: 36%;
  min-width: 140px;
}

.tier-table .tier-col {
  width: 21%;
  text-align: center;
}

.tier-table td.value {
  white-space: normal;
}

/* Select tier buttons */
.btn-select-tier {
  background: var(--cid-primary);
  color: #fff;
  border: none;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.2s;
}

.btn-select-tier:hover {
  background: #002855;
}

.btn-select-tier:focus {
  outline: 3px solid rgba(0, 51, 102, 0.2);
}

/* Minimum order notice */
.minimum-order-notice {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: #fff8ed;
  border-left: 4px solid var(--cid-accent);
  padding: 10px;
  border-radius: 6px;
  margin-top: 12px;
  color: var(--cid-neutral-700);
}

.minimum-order-notice .notice-icon {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
}

/* Pricing comparison summary */
.pricing-comparison-summary {
  margin-top: 16px;
  padding: 12px;
  border-radius: 6px;
  background: #ffffff;
  border: 1px solid var(--cid-neutral-100);
}

.summary-grid {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.summary-item {
  flex: 1 1 140px;
  font-size: 13px;
}

.summary-value--highlight {
  color: var(--cid-accent);
  font-weight: 700;
}

/* Mobile: stacked card layout */
.tier-cards {
  display: block;
  margin-top: 12px;
}

.tier-card {
  border: 1px solid var(--cid-neutral-300);
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 10px;
  background: #fff;
}

.tier-card:focus {
  outline: 3px solid rgba(0, 51, 102, 0.18);
}

.tier-card h3 {
  margin: 0 0 6px 0;
  color: var(--cid-neutral-700);
  font-size: 16px;
}

.tier-card .muted {
  color: #6b7280;
  margin: 0 0 8px 0;
  font-size: 13px;
}

.tier-card .features-list {
  margin: 0 0 10px 16px;
  padding: 0;
  color: var(--cid-neutral-700);
  font-size: 13px;
}

.tier-card .features-list li {
  margin: 4px 0;
}

.card-actions {
  display: flex;
  justify-content: flex-end;
}

.card-actions .btn {
  background: var(--cid-primary);
  color: #fff;
  padding: 6px 10px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 13px;
}

/* Prevent horizontal overflow */
body,
.tier-selection-container,
.tier-comparison {
  max-width: 100%;
  box-sizing: border-box;
}

/* Tablet and above: show table, hide cards */
@media (min-width: 768px) {
  .tier-cards {
    display: none;
  }

  .tier-table th,
  .tier-table td {
    padding: 12px 14px;
  }
}

/* Desktop: optimize table layout */
@media (min-width: 1024px) {
  .tier-table thead th {
    font-size: 15px;
  }

  .tier-table .feature-col {
    width: 34%;
  }

  .tier-table .tier-col {
    width: 22%;
  }

  .tier-table td,
  .tier-table th {
    padding: 14px;
  }
}

/* Wrap long text in table cells */
.tier-table td {
  word-wrap: break-word;
  word-break: break-word;
}

/* BYOI form (if embedded inline) */
#byoi-form {
  margin-top: 12px;
}

#byoi-form input[type="text"],
#byoi-form input[type="tel"],
#byoi-form input[type="email"],
#byoi-form input[type="number"] {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--cid-neutral-300);
  border-radius: 6px;
}

#byoi-form .form-row {
  display: flex;
  gap: 8px;
}

/* Keyboard accessibility */
:focus-visible {
  outline: 3px solid rgba(0, 51, 102, 0.18);
}
/**
 * Tier Selection & BYOI Form Styles
 * Part of Prompt 2.1B Part C - Quote Flow UI
 * 
 * Mobile-first, following design system from docs/design/design-system.md
 */

/* ===== CSS VARIABLES (Design System) ===== */
:root {
  --tier-blue-primary: #003366;
  --tier-blue-light: #E6F0FA;
  --tier-orange-primary: #FF6600;
  --tier-orange-light: #FFF4E6;
  --tier-gray-primary: #4B5563;
  --tier-gray-light: #F3F4F6;
  --tier-success: #10B981;
  --tier-warning: #F59E0B;
  --tier-error: #EF4444;
  --tier-gray-200: #E5E7EB;
  --tier-gray-300: #D1D5DB;
  --tier-gray-500: #6B7280;
  --tier-gray-700: #374151;
  --tier-gray-900: #111827;
}

/* ===== TIER SELECTION CONTAINER ===== */
.tier-selection-container {
  margin-top: 1.5rem;
}

.tier-section-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--tier-gray-900);
  text-align: center;
  margin-bottom: 0.5rem;
}

.tier-context-message {
  font-size: 1rem;
  color: var(--tier-gray-500);
  text-align: center;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

/* ===== TIER CARDS GRID ===== */
.tier-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 0.5rem 0;
}

@media (min-width: 768px) {
  .tier-cards-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

/* ===== TIER CARD ===== */
.tier-card {
  background: white;
  border: 2px solid var(--tier-gray-200);
  border-radius: 0.75rem;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}

.tier-card:hover {
  border-color: var(--tier-gray-300);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.tier-card:focus {
  outline: none;
  border-color: var(--tier-blue-primary);
  box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.2);
}

.tier-card.selected {
  border-color: var(--tier-blue-primary);
  box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.15);
}

/* ===== TIER HEADER ===== */
.tier-header {
  padding: 1rem 1.25rem;
  position: relative;
}

.tier-header-blue {
  background: linear-gradient(135deg, var(--tier-blue-primary) 0%, #004080 100%);
  color: white;
}

.tier-header-orange {
  background: linear-gradient(135deg, var(--tier-orange-primary) 0%, #E55A00 100%);
  color: white;
}

.tier-header-gray {
  background: linear-gradient(135deg, var(--tier-gray-primary) 0%, #374151 100%);
  color: white;
}

/* ===== TIER BADGE ===== */
.tier-badge {
  position: absolute;
  top: 0.625rem;
  right: 0.625rem;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.125rem 0.5rem;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 9999px;
  backdrop-filter: blur(4px);
}

/* ===== TIER TITLE & SUBTITLE ===== */
.tier-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 0.25rem 0;
  padding-right: 4rem; /* Space for badge */
}

.tier-subtitle {
  font-size: 0.875rem;
  margin: 0;
  opacity: 0.9;
}

/* ===== TIER BODY ===== */
.tier-body {
  padding: 1.25rem;
}

/* ===== TIER PRICE ===== */
.tier-price {
  text-align: center;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--tier-gray-200);
}

.tier-price-amount {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--tier-gray-900);
  line-height: 1.2;
}

.tier-price-label {
  display: block;
  font-size: 0.875rem;
  color: var(--tier-gray-500);
  margin-top: 0.25rem;
}

/* ===== TIER FEATURES ===== */
.tier-features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem 0;
}

.tier-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--tier-gray-700);
  padding: 0.375rem 0;
  line-height: 1.4;
}

.feature-icon {
  flex-shrink: 0;
  font-size: 0.875rem;
  color: var(--tier-success);
  font-weight: 600;
}

.feature-icon.feature-fee {
  background: var(--tier-orange-light);
  color: var(--tier-orange-primary);
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
}

.feature-excluded {
  color: var(--tier-gray-500);
}

.feature-excluded .feature-icon {
  color: var(--tier-gray-300);
}

/* ===== TIER SELECT BUTTONS ===== */
.btn-tier-select {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 0.5rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

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

.btn-tier-primary:hover {
  background-color: #002855;
  border-color: #002855;
}

.btn-tier-secondary {
  background-color: var(--tier-orange-primary);
  color: white;
  border-color: var(--tier-orange-primary);
}

.btn-tier-secondary:hover {
  background-color: #E55A00;
  border-color: #E55A00;
}

.btn-tier-outline {
  background-color: white;
  color: var(--tier-gray-700);
  border-color: var(--tier-gray-300);
}

.btn-tier-outline:hover {
  background-color: var(--tier-gray-light);
  border-color: var(--tier-gray-primary);
}

/* Selected state button styles */
.tier-card.selected .btn-tier-select {
  position: relative;
}

.tier-card.selected .btn-tier-select::after {
  content: '✓ Selected';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--tier-success);
  color: white;
  border-radius: 0.375rem;
}

/* ===== MINIMUM ORDER NOTICE ===== */
.minimum-order-notice {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background-color: var(--tier-orange-light);
  border: 1px solid var(--tier-warning);
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: #92400E;
}

.minimum-order-notice .notice-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--tier-warning);
}

/* ===== TIER COMPARISON SUMMARY ===== */
.tier-comparison-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  padding: 1rem;
  background-color: var(--tier-gray-light);
  border-radius: 0.5rem;
  margin-top: 1rem;
}

.comparison-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
}

.comparison-label {
  color: var(--tier-gray-500);
}

.comparison-value {
  font-weight: 600;
  color: var(--tier-gray-900);
}

.comparison-savings {
  color: var(--tier-success);
}

/* =========================================
   BYOI FORM STYLES
   ========================================= */

.byoi-form-container {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 2px solid var(--tier-gray-200);
  animation: slideDown 0.3s ease-out;
}

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

.byoi-form-header {
  margin-bottom: 1.5rem;
}

.byoi-form-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--tier-gray-900);
  margin: 0 0 0.5rem 0;
}

.byoi-form-description {
  font-size: 0.9375rem;
  color: var(--tier-gray-500);
  margin: 0;
  line-height: 1.5;
}

/* ===== INFO BANNER ===== */
.info-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1.5rem;
}

.info-banner-blue {
  background-color: var(--tier-blue-light);
  border: 1px solid #B3D4FC;
}

.info-banner-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.info-banner-content {
  font-size: 0.875rem;
  color: var(--tier-gray-700);
  line-height: 1.5;
}

.info-banner-link {
  color: var(--tier-blue-primary);
  text-decoration: underline;
  margin-left: 0.25rem;
}

.info-banner-link:hover {
  color: #002855;
}

/* ===== BYOI FORM GRID ===== */
.byoi-form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .byoi-form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== FORM GROUP ===== */
.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--tier-gray-700);
  margin-bottom: 0.375rem;
}

.required-marker {
  color: var(--tier-error);
}

.optional-marker {
  color: var(--tier-gray-500);
  font-weight: 400;
}

/* ===== FORM INPUT ===== */
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  color: var(--tier-gray-900);
  background-color: white;
  border: 1px solid var(--tier-gray-300);
  border-radius: 0.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--tier-blue-primary);
  box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
}

.form-input::placeholder {
  color: var(--tier-gray-500);
}

.form-input.error {
  border-color: var(--tier-error);
}

.form-input.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Input with Prefix (Currency) */
.input-with-prefix {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix {
  position: absolute;
  left: 1rem;
  color: var(--tier-gray-500);
  font-size: 1rem;
  pointer-events: none;
}

.form-input-currency {
  padding-left: 2rem;
}

/* ===== FORM HINT & ERROR ===== */
.form-hint {
  font-size: 0.8125rem;
  color: var(--tier-gray-500);
  margin-top: 0.375rem;
  line-height: 1.4;
}

.form-error {
  font-size: 0.8125rem;
  color: var(--tier-error);
  margin-top: 0.375rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-error::before {
  content: '⚠';
  font-size: 0.75rem;
}

/* ===== WARNING BANNER ===== */
.warning-banner {
  background-color: #FEF3C7;
  border: 1px solid var(--tier-warning);
  border-radius: 0.5rem;
  padding: 1rem;
  margin-bottom: 1rem;
}

.warning-banner-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.warning-icon {
  font-size: 1.125rem;
}

.warning-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #92400E;
  margin: 0;
}

.warning-text {
  font-size: 0.875rem;
  color: #92400E;
  margin: 0 0 0.5rem 0;
}

.warning-list {
  list-style: disc;
  padding-left: 1.25rem;
  margin: 0;
}

.warning-list li {
  font-size: 0.8125rem;
  color: #92400E;
  line-height: 1.5;
  margin-bottom: 0.25rem;
}

/* ===== CHECKBOX WRAPPER ===== */
.byoi-acknowledge-group {
  margin-top: 0.5rem;
}

.checkbox-wrapper {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.9375rem;
  color: var(--tier-gray-700);
}

.checkbox-wrapper input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.125rem;
  cursor: pointer;
  accent-color: var(--tier-blue-primary);
}

.checkbox-label {
  line-height: 1.5;
}

/* ===== ESCROW INFO BOX ===== */
.escrow-info-box {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background-color: var(--tier-blue-light);
  border-radius: 0.5rem;
  margin-top: 1.5rem;
}

.escrow-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.escrow-content {
  font-size: 0.875rem;
  color: var(--tier-gray-700);
  line-height: 1.5;
}

.escrow-content strong {
  display: block;
  color: var(--tier-gray-900);
  margin-bottom: 0.25rem;
}

.escrow-content p {
  margin: 0;
}

/* ===== UTILITY CLASSES ===== */
.hidden {
  display: none !important;
}

/* ===== RESPONSIVE ADJUSTMENTS ===== */
@media (max-width: 640px) {
  .tier-section-title {
    font-size: 1.25rem;
  }
  
  .tier-price-amount {
    font-size: 1.75rem;
  }
  
  .tier-card {
    margin-bottom: 0;
  }
  
  .byoi-form-title {
    font-size: 1.125rem;
  }
}

/* ===== FOCUS VISIBLE STYLES (Accessibility) ===== */
.tier-card:focus-visible {
  outline: 3px solid var(--tier-blue-primary);
  outline-offset: 2px;
}

.btn-tier-select:focus-visible {
  outline: 3px solid var(--tier-blue-primary);
  outline-offset: 2px;
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  .tier-card,
  .byoi-form-container,
  .btn-tier-select,
  .form-input {
    transition: none;
  }
  
  @keyframes slideDown {
    from { opacity: 1; transform: none; }
    to { opacity: 1; transform: none; }
  }
}