/* ============================================
   商铺盈利预测 H5 - 样式表
   ============================================ */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #dc2626;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: #f0f4ff;
  color: var(--gray-900);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

#app {
  max-width: 500px;
  margin: 0 auto;
  min-height: 100vh;
  background: #fff;
  position: relative;
  overflow: hidden;
}



/* ============ Step Containers ============ */
.step {
  display: none;
  padding: 24px 20px 40px 20px;
  animation: fadeSlideIn 0.3s ease;
}

.step.active {
  display: block;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.step-content {
  max-width: 460px;
  margin: 0 auto;
}

.step-header {
  margin-bottom: 24px;
}

.step-num {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
}

.step-desc {
  color: var(--gray-500);
  font-size: 14px;
  margin-top: 4px;
}

/* ============ Welcome ============ */
.welcome-icon {
  font-size: 56px;
  text-align: center;
  margin: 32px 0 16px;
}

.welcome-title {
  font-size: 26px;
  font-weight: 800;
  text-align: center;
  color: var(--gray-900);
}

.welcome-subtitle {
  text-align: center;
  color: var(--gray-500);
  margin: 8px 0 28px;
  font-size: 15px;
}

.welcome-features {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 28px;
}

.feature-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-200);
}

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

.feature-icon {
  font-size: 28px;
  flex-shrink: 0;
  width: 40px;
  text-align: center;
}

.feature-item strong {
  display: block;
  font-size: 15px;
  color: var(--gray-900);
}

.feature-item p {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 2px;
}

/* ============ Form Labels & Sections ============ */
.form-section {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 10px;
}

/* ============ Category Grid ============ */
.category-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.category-card {
  padding: 14px 10px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 14px;
  font-weight: 500;
  background: #fff;
}

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

.category-card.selected {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.category-card .cat-icon {
  display: block;
  font-size: 28px;
  margin-bottom: 6px;
}

.subcategory-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.subcategory-card {
  padding: 10px 8px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 13px;
  background: #fff;
}

.subcategory-card.selected {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

/* ============ Factors ============ */
.factors-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 28px;
}

.factor-group {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 16px;
}

.factor-group-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.factor-group-title .fg-icon {
  font-size: 20px;
}

.factor-item {
  margin-bottom: 14px;
}

.factor-item:last-child {
  margin-bottom: 0;
}

.factor-item label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

/* Radio group */
.radio-group {
  display: flex;
  gap: 8px;
}

.radio-btn {
  flex: 1;
  padding: 8px 4px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  text-align: center;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s ease;
  background: #fff;
  user-select: none;
}

.radio-btn:hover {
  border-color: var(--primary);
}

.radio-btn.selected {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

/* Select */
.select-input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-size: 14px;
  color: var(--gray-900);
  background: #fff;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
}

/* Text input */
.text-input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-size: 14px;
  color: var(--gray-900);
  transition: border-color 0.2s ease;
}

.text-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

/* ============ Buttons ============ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 28px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow);
}

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

.btn-primary:disabled {
  background: var(--gray-300);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-block {
  width: 100%;
  padding: 14px;
  font-size: 16px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1.5px solid var(--gray-200);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: var(--gray-200);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background: #fff;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

.btn-text {
  background: none;
  border: none;
  color: var(--gray-500);
  font-size: 14px;
  cursor: pointer;
  padding: 8px;
}

.step-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 28px;
  gap: 12px;
}

/* ============ Summary ============ */
.summary-section {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 8px;
}

.summary-block {
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-200);
}

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

.summary-block-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}

.summary-block-content {
  font-size: 14px;
  color: var(--gray-900);
}

/* ============ Paywall ============ */
.paywall-container {
  text-align: center;
  padding: 24px 0;
}

.paywall-lock {
  font-size: 48px;
  margin-bottom: 16px;
}

.paywall-container h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.paywall-desc {
  color: var(--gray-500);
  font-size: 14px;
  margin-bottom: 20px;
}

.paywall-preview {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 24px;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.paywall-preview::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(transparent, rgba(254,243,199,0.95));
}

.preview-title {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 8px;
  color: var(--gray-900);
}

.preview-score {
  font-size: 40px;
  font-weight: 800;
  color: var(--warning);
  text-align: center;
  margin: 8px 0;
  filter: blur(6px);
  user-select: none;
}

.pricing-card {
  background: #fff;
  border: 2px solid var(--primary);
  border-radius: 16px;
  padding: 24px;
  margin: 0 auto;
  max-width: 340px;
  box-shadow: var(--shadow-lg);
}

.pricing-header {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pricing-amount {
  margin: 12px 0 16px;
}

.pricing-currency {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  vertical-align: top;
}

.pricing-price {
  font-size: 48px;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 20px;
}

.pricing-features li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--gray-700);
}

.pricing-btn-icon {
  font-size: 18px;
}

/* ============ Result ============ */
.result-header {
  text-align: center;
  padding: 20px 0;
}

.result-header .score-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  border: 6px solid;
}

.score-circle.high {
  border-color: var(--success);
  background: #f0fdf4;
}

.score-circle.medium {
  border-color: var(--warning);
  background: #fffbeb;
}

.score-circle.low {
  border-color: var(--danger);
  background: #fef2f2;
}

.score-number {
  font-size: 40px;
  font-weight: 800;
}

.score-label {
  font-size: 12px;
  color: var(--gray-500);
}

.result-header .verdict {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.result-header .verdict-sub {
  font-size: 14px;
  color: var(--gray-500);
}

.result-scores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

.score-card {
  background: var(--gray-50);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}

.score-card .sc-label {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.score-card .sc-value {
  font-size: 22px;
  font-weight: 700;
}

.score-card .sc-bar {
  height: 6px;
  border-radius: 3px;
  margin-top: 8px;
  background: var(--gray-200);
  overflow: hidden;
}

.sc-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.6s ease;
}

.sc-bar-fill.high { background: var(--success); }
.sc-bar-fill.medium { background: var(--warning); }
.sc-bar-fill.low { background: var(--danger); }

.result-analysis {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.result-analysis h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--gray-900);
}

.result-analysis p {
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.8;
}

.result-risks {
  margin-bottom: 24px;
}

.result-risks h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--danger);
}

.risk-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
}

.risk-icon {
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.risk-text {
  font-size: 14px;
  color: var(--gray-700);
}

.risk-level {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  margin-right: 6px;
}

.risk-level.high { background: #fef2f2; color: var(--danger); }
.risk-level.medium { background: #fffbeb; color: var(--warning); }
.risk-level.low { background: #f0fdf4; color: var(--success); }

.result-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.result-actions .btn-secondary {
  flex: 1;
}

.result-actions .btn-outline {
  flex: 1;
}

.result-disclaimer {
  background: #fffbeb;
  border-radius: 8px;
  padding: 12px;
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ============ Payment Modal ============ */
.payment-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 200;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.payment-modal {
  background: #fff;
  border-radius: 16px 16px 0 0;
  padding: 28px 24px;
  width: 100%;
  max-width: 500px;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.payment-modal h3 {
  text-align: center;
  font-size: 18px;
  margin-bottom: 20px;
}

.pay-methods {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.pay-method {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 2px solid var(--gray-200);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pay-method:hover {
  border-color: var(--primary);
}

.pay-method.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}

.pay-method-icon {
  font-size: 28px;
}

.pay-method-name {
  font-weight: 600;
  font-size: 15px;
  flex: 1;
}

.pay-method-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: transparent;
  transition: all 0.2s ease;
}

.pay-method.selected .pay-method-check {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.pay-confirm-btn {
  width: 100%;
  padding: 14px;
  background: var(--success);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pay-confirm-btn:hover {
  background: #15803d;
}

.pay-cancel {
  display: block;
  width: 100%;
  margin-top: 12px;
  padding: 10px;
  background: none;
  border: none;
  color: var(--gray-500);
  font-size: 14px;
  cursor: pointer;
}

/* ============ Responsive ============ */
@media (max-width: 400px) {
  .category-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .category-card {
    padding: 12px 8px;
    font-size: 13px;
  }

  .category-card .cat-icon {
    font-size: 24px;
  }

  .result-scores {
    grid-template-columns: 1fr 1fr;
  }
}