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

:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --white: #ffffff;
  --black: #000000;
  --gray-light: #f5f5f7;
  --gray-medium: #8e8e93;
  --gray-dark: #333333;
  --gray-border: #e1e1e6;
  --gray-bg: #f8f8fa;
  --success-color: #4caf50;
  --warning-color: #ff9800;
  --info-color: #2196f3;
  --danger-color: #f44336;

  --font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 14px;
  --font-size-sm: 15px;
  --font-size-base: 16px;
  --font-size-lg: 17px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 32px;
  --font-size-4xl: 36px;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  --spacing-3xl: 32px;
  --spacing-4xl: 40px;
  --spacing-5xl: 48px;
  --spacing-6xl: 60px;
  --spacing-7xl: 80px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 40px;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--gray-light);
  line-height: 1.5;
  overflow-x: hidden;
}

.website-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-7xl);
  padding: var(--spacing-4xl) 0;
  min-height: 100vh;
  position: relative;
}

.iphone-screen {
  width: 393px;
  height: 852px;
  background: var(--black);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  position: relative;
  scroll-margin-top: var(--spacing-4xl);
}

.iphone-frame {
  width: 100%;
  height: 100%;
  position: relative;
  padding: 50px 25px 40px;
}

.status-bar {
  position: absolute;
  top: 12px;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 10;
}

.time {
  font-size: var(--font-size-lg);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
}

.screen-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-6xl);
}

.screen-1 .iphone-frame {
  background: var(--primary-gradient);
}

.screen-1 .time {
  color: var(--white);
}

.brand-hero {
  text-align: center;
  margin-top: 120px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.brand-tagline {
  font-size: var(--font-size-2xl);
  color: rgba(255, 255, 255, 0.95);
  font-weight: 400;
  line-height: 1.4;
}

.action-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-3xl);
}

.screen-2 .iphone-frame,
.screen-3 .iphone-frame {
  background: var(--white);
}

.screen-2 .time,
.screen-3 .time {
  color: var(--black);
}

.screen-4 .iphone-frame {
  background: var(--white);
}

.screen-4 .time {
  color: var(--black);
}

.screen-5 .iphone-frame {
  background: var(--white);
}

.screen-5 .time {
  color: var(--black);
}

.screen-6 .iphone-frame {
  background: var(--white);
}

.screen-6 .time {
  color: var(--black);
}

.screen-7 .iphone-frame {
  background: var(--white);
}

.screen-7 .time {
  color: var(--black);
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-4xl);
}

.user-greeting h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--black);
  margin-bottom: var(--spacing-xs);
}

.user-greeting p {
  color: var(--gray-medium);
  font-size: var(--font-size-base);
}

.user-avatar {
  font-size: 48px;
  color: var(--primary-color);
}

.dashboard-section {
  margin-bottom: var(--spacing-4xl);
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--black);
  margin-bottom: var(--spacing-lg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: var(--gray-bg);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  border: 1px solid var(--gray-border);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--gray-medium);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  font-weight: 500;
}

.stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--black);
}

.plan-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.status-badge {
  background: var(--success-color);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
}

.plan-card {
  background: linear-gradient(135deg, #f5f7ff 0%, #eef1ff 100%);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  border: 1px solid rgba(102, 126, 234, 0.2);
}

.plan-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--black);
  margin-bottom: var(--spacing-xs);
}

.plan-price {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
}

.plan-icon {
  font-size: 36px;
  color: var(--primary-color);
}

.plan-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  padding: var(--spacing-lg) var(--spacing-md);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-normal);
  text-align: center;
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
}

.dashboard-nav {
  display: flex;
  justify-content: space-around;
  background: var(--white);
  border-top: 1px solid var(--gray-border);
  padding: var(--spacing-md) 0;
  margin-top: auto;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--gray-medium);
  transition: all var(--transition-fast);
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
}

.nav-item i {
  font-size: 20px;
  margin-bottom: var(--spacing-xs);
}

.nav-item span {
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.nav-item.active {
  color: var(--primary-color);
  background: rgba(102, 126, 234, 0.1);
}

.nav-item:hover {
  color: var(--primary-color);
  transform: translateY(-2px);
}

.form-header {
  margin-bottom: var(--spacing-4xl);
}

.form-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--black);
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.5px;
}

.form-subtitle {
  color: var(--gray-dark);
  font-size: var(--font-size-base);
  line-height: 1.6;
  opacity: 0.9;
}

.bmi-header {
  margin-bottom: var(--spacing-3xl);
}

.bmi-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--black);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.bmi-description {
  color: var(--gray-dark);
  font-size: var(--font-size-base);
  line-height: 1.6;
  opacity: 0.8;
  text-align: center;
}

.result-header {
  text-align: center;
  margin-bottom: var(--spacing-4xl);
}

.result-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--black);
}

.page-header {
  margin-top: var(--spacing-4xl);
  margin-bottom: var(--spacing-5xl);
}

.page-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.form-container {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.auth-form,
.user-info-form,
.bmi-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-label {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--gray-dark);
  margin-left: var(--spacing-xs);
}

.form-input {
  padding: var(--spacing-xl) var(--spacing-lg);
  font-size: var(--font-size-lg);
  border: 2px solid var(--gray-border);
  border-radius: var(--radius-md);
  background: var(--gray-bg);
  transition: all var(--transition-normal);
  font-family: var(--font-family);
  width: 100%;
}

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

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

.input-with-unit {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-unit .form-input {
  padding-right: 60px;
}

.input-unit {
  position: absolute;
  right: var(--spacing-lg);
  color: var(--gray-medium);
  font-weight: 500;
  font-size: var(--font-size-base);
}

.small-input {
  padding: var(--spacing-lg);
  text-align: center;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.gender-options {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xs);
}

.gender-label {
  display: block;
  padding: var(--spacing-lg);
  text-align: center;
  border: 2px solid var(--gray-border);
  border-radius: var(--radius-md);
  background: var(--gray-bg);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-weight: 500;
  color: var(--gray-dark);
  text-decoration: none;
  flex: 1;
}

.gender-label:hover {
  background: var(--primary-gradient);
  color: var(--white);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.gender-buttons {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-sm);
}

.gender-btn {
  flex: 1;
  padding: var(--spacing-lg);
  border: 2px solid var(--gray-border);
  border-radius: var(--radius-md);
  background: var(--gray-bg);
  text-decoration: none;
  color: var(--gray-dark);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-normal);
}

.gender-btn:hover {
  background: var(--primary-gradient);
  color: var(--white);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.gender-btn i {
  font-size: var(--font-size-lg);
}

.allergy-options {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xs);
}

.allergy-label {
  display: block;
  padding: var(--spacing-lg);
  text-align: center;
  border: 2px solid var(--gray-border);
  border-radius: var(--radius-md);
  background: var(--gray-bg);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-weight: 600;
  color: var(--gray-dark);
  text-transform: uppercase;
  text-decoration: none;
  flex: 1;
}

.allergy-label:hover {
  background: var(--success-color);
  color: var(--white);
  border-color: var(--success-color);
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--white);
  color: var(--primary-color);
  padding: var(--spacing-xl) var(--spacing-4xl);
  font-size: var(--font-size-xl);
  font-weight: 600;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
  font-family: var(--font-family);
  text-align: center;
  display: inline-block;
  text-decoration: none;
}

.screen-1 .btn-primary {
  background: var(--white);
  color: var(--primary-color);
}

.screen-2 .btn-primary,
.screen-3 .btn-primary,
.screen-4 .btn-primary {
  background: var(--primary-gradient);
  color: var(--white);
}

.screen-5 .btn-primary {
  background: var(--primary-gradient);
  color: var(--white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-full {
  width: 100%;
  max-width: none;
  margin-top: var(--spacing-xl);
}

.submit-btn {
  background: var(--success-color);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
  font-size: var(--font-size-xl);
  font-weight: 600;
  padding: var(--spacing-xl) var(--spacing-4xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  text-align: center;
  margin-top: var(--spacing-xl);
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  opacity: 0.95;
}

.submit-btn i {
  font-size: var(--font-size-lg);
}

.calculate-btn {
  background: var(--primary-gradient);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-size: var(--font-size-xl);
  font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  width: 100%;
}

.calculate-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.calculate-btn i {
  font-size: var(--font-size-lg);
}

.view-plans-btn {
  background: var(--primary-gradient);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.view-plans-btn i {
  font-size: var(--font-size-lg);
}

.text-link {
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.screen-1 .text-link {
  color: var(--white);
}

.text-link:hover {
  text-decoration: underline;
}

.back-link {
  color: var(--gray-medium);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
  display: inline-block;
  margin-top: var(--spacing-lg);
}

.back-link:hover {
  color: var(--primary-color);
}

.page-footer {
  margin-top: auto;
  text-align: center;
  padding-top: var(--spacing-3xl);
}

.footer-text {
  color: var(--gray-dark);
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xl);
}

.screen-1 .account-prompt {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-base);
  text-align: center;
}

.form-progress {
  color: var(--primary-color);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-top: var(--spacing-lg);
  opacity: 0.8;
}

.result-container {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.bmi-score {
  text-align: center;
  margin-bottom: var(--spacing-4xl);
  padding: var(--spacing-3xl);
  background: linear-gradient(135deg, #f8f9ff 0%, #eef1ff 100%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(102, 126, 234, 0.2);
}

.bmi-number {
  font-size: 72px;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.bmi-category {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--success-color);
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
}

.bmi-message {
  color: var(--gray-dark);
  font-size: var(--font-size-base);
  line-height: 1.5;
  max-width: 300px;
  margin: 0 auto;
}

.bmi-classification {
  margin-bottom: var(--spacing-4xl);
}

.classification-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--black);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.classification-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.classification-card {
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  text-align: center;
  border: 2px solid transparent;
  transition: all var(--transition-normal);
}

.classification-card.underweight {
  background: rgba(33, 150, 243, 0.1);
  border-color: rgba(33, 150, 243, 0.3);
}

.classification-card.normal {
  background: rgba(76, 175, 80, 0.1);
  border-color: rgba(76, 175, 80, 0.3);
}

.classification-card.overweight {
  background: rgba(255, 152, 0, 0.1);
  border-color: rgba(255, 152, 0, 0.3);
}

.classification-card.obese {
  background: rgba(244, 67, 54, 0.1);
  border-color: rgba(244, 67, 54, 0.3);
}

.classification-card.active {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.classification-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--gray-dark);
}

.classification-range {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.classification-card.underweight .classification-range {
  color: #2196f3;
}

.classification-card.normal .classification-range {
  color: #4caf50;
}

.classification-card.overweight .classification-range {
  color: #ff9800;
}

.classification-card.obese .classification-range {
  color: #f44336;
}

.scroll-indicator {
  position: fixed;
  bottom: 40px;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 100;
}

.scroll-dots {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(102, 126, 234, 0.3);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  display: block;
}

.dot.active {
  background: var(--primary-color);
  transform: scale(1.2);
}

.dot:hover {
  background: var(--primary-color);
  transform: scale(1.1);
}

.scroll-hint {
  color: var(--gray-medium);
  font-size: var(--font-size-sm);
  opacity: 0.7;
  font-weight: 500;
}

.screen-2:target,
.screen-3:target,
.screen-4:target,
.screen-5:target,
.screen-6:target,
.screen-7:target {
  animation: pulse-highlight 1s ease;
}

@keyframes pulse-highlight {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
  100% {
    transform: scale(1);
  }
}

@media (max-width: 480px) {
  .iphone-screen {
    width: 350px;
    height: 760px;
  }

  .iphone-frame {
    padding: 40px 20px 30px;
  }

  .brand-title {
    font-size: var(--font-size-3xl);
  }

  .brand-tagline {
    font-size: var(--font-size-xl);
  }

  .form-title,
  .page-title,
  .greeting-title,
  .bmi-title,
  .result-title {
    font-size: var(--font-size-2xl);
  }

  .form-subtitle,
  .bmi-description {
    font-size: var(--font-size-sm);
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .gender-options,
  .allergy-options,
  .gender-buttons {
    flex-direction: column;
  }

  .plan-actions {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-nav {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

  .nav-item {
    min-width: 60px;
  }

  .bmi-number {
    font-size: 56px;
  }

  .classification-cards {
    grid-template-columns: 1fr;
  }

  .scroll-dots {
    flex-wrap: wrap;
    justify-content: center;
    max-width: 300px;
    margin: 0 auto var(--spacing-sm);
  }
}

@media (max-height: 900px) {
  .website-container {
    gap: var(--spacing-5xl);
    padding: var(--spacing-3xl) 0;
  }

  .bmi-score {
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
  }

  .bmi-number {
    font-size: 60px;
  }
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

.screen-8 .iphone-frame {
  background: var(--white);
}

.screen-8 .time {
  color: var(--black);
}

.budget-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.budget-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--black);
  margin-bottom: var(--spacing-sm);
}

.budget-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
  flex: 1;
  overflow-y: auto;
  padding-bottom: var(--spacing-lg);
}

.budget-card {
  background: var(--gray-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  border: 2px solid transparent;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.budget-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.budget-card.economy {
  border-color: rgba(76, 175, 80, 0.3);
  background: linear-gradient(
    135deg,
    rgba(76, 175, 80, 0.05) 0%,
    rgba(76, 175, 80, 0.1) 100%
  );
}

.budget-card.standard {
  border-color: rgba(102, 126, 234, 0.3);
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.05) 0%,
    rgba(102, 126, 234, 0.1) 100%
  );
}

.budget-card.premium {
  border-color: rgba(255, 152, 0, 0.3);
  background: linear-gradient(
    135deg,
    rgba(255, 152, 0, 0.05) 0%,
    rgba(255, 152, 0, 0.1) 100%
  );
}

.budget-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.budget-icon {
  font-size: 32px;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

.budget-card.economy .budget-icon {
  background: rgba(76, 175, 80, 0.2);
  color: #4caf50;
}

.budget-card.standard .budget-icon {
  background: rgba(102, 126, 234, 0.2);
  color: #667eea;
}

.budget-card.premium .budget-icon {
  background: rgba(255, 152, 0, 0.2);
  color: #ff9800;
}

.budget-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--black);
  flex: 1;
}

.budget-description {
  color: var(--gray-dark);
  font-size: var(--font-size-base);
  line-height: 1.5;
  margin-bottom: var(--spacing-xl);
  padding-left: var(--spacing-lg);
  border-left: 3px solid;
}

.budget-card.economy .budget-description {
  border-color: #4caf50;
}

.budget-card.standard .budget-description {
  border-color: #667eea;
}

.budget-card.premium .budget-description {
  border-color: #ff9800;
}

.budget-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  flex: 1;
}

.feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--gray-dark);
  font-size: var(--font-size-sm);
}

.feature i {
  color: var(--success-color);
  font-size: var(--font-size-base);
}

.budget-select-btn {
  display: block;
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--primary-gradient);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition-normal);
  margin-top: auto;
}

.budget-select-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  opacity: 0.9;
}

.budget-select-btn i {
  margin-right: var(--spacing-sm);
}

@media (max-width: 480px) {
  .budget-card {
    padding: var(--spacing-xl);
  }

  .budget-card-header {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }

  .budget-name {
    font-size: var(--font-size-lg);
  }

  .budget-description {
    font-size: var(--font-size-sm);
    padding-left: var(--spacing-md);
  }
}

.screen-9 .screen-content,
.screen-10 .screen-content,
.screen-11 .screen-content {
  padding-top: var(--spacing-3xl);
  padding-bottom: var(--spacing-3xl);
  overflow-y: auto;
  height: 100%;
}

.plan-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  padding: 0 var(--spacing-lg);
}

.plan-title {
  font-size: 32px;
  font-weight: 800;
  color: #000000;
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.5px;
}

.plan-subtitle {
  color: #8e8e93;
  font-size: 18px;
  font-weight: 500;
  opacity: 0.8;
}

.meal-plan-section {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin: 0 var(--spacing-lg) var(--spacing-2xl);
  border: 1px solid #e5e5ea;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.meal-time {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid #f2f2f7;
}

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

.meal-title {
  font-size: 16px;
  font-weight: 700;
  color: #000000;
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
}

.meal-items {
  color: #666666;
  font-size: 15px;
  line-height: 1.6;
  padding-left: 0;
  font-weight: 400;
}

.shopping-list-section {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.shopping-title {
  font-size: 20px;
  font-weight: 700;
  color: #000000;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid #e5e5ea;
  letter-spacing: -0.3px;
}

.shopping-category {
  margin-bottom: var(--spacing-xl);
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  border: 1px solid #e5e5ea;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.category-title {
  font-size: 16px;
  font-weight: 600;
  color: #000000;
  margin-bottom: var(--spacing-lg);
  display: block;
  padding: var(--spacing-xs) 0;
}

.shopping-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.shopping-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xs) 0;
  min-height: 44px;
}

.shopping-item input[type="checkbox"] {
  width: 22px;
  height: 22px;
  border: 2px solid #c7c7cc;
  border-radius: 6px;
  appearance: none;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  background: #ffffff;
  transition: all var(--transition-fast);
}

.shopping-item input[type="checkbox"]:hover {
  border-color: #007aff;
}

.shopping-item input[type="checkbox"]:checked {
  border-color: currentColor;
}

.shopping-item input[type="checkbox"]:checked::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-weight: bold;
  font-size: 14px;
}

.shopping-item label {
  color: #333333;
  font-size: 15px;
  cursor: pointer;
  flex: 1;
  transition: color var(--transition-fast);
  line-height: 1.4;
  font-weight: 400;
}

.shopping-item input[type="checkbox"]:checked + label {
  color: #8e8e93;
  text-decoration: line-through;
}

.screen-9 .plan-title {
  color: #34c759;
}

.screen-9 .shopping-title {
  color: #000000;
}

.screen-9 .shopping-item input[type="checkbox"]:checked {
  background: #34c759;
  border-color: #34c759;
}

.screen-9 .back-link {
  color: #34c759;
}

.screen-10 .plan-title {
  color: #007aff;
}

.screen-10 .shopping-title {
  color: #000000;
}

.screen-10 .shopping-item input[type="checkbox"]:checked {
  background: #007aff;
  border-color: #007aff;
}

.screen-10 .back-link {
  color: #007aff;
}

.screen-11 .plan-title {
  color: #ff9500;
}

.screen-11 .shopping-title {
  color: #000000;
}

.screen-11 .shopping-item input[type="checkbox"]:checked {
  background: #ff9500;
  border-color: #ff9500;
}

.screen-11 .back-link {
  color: #ff9500;
}

.screen-9 .page-footer,
.screen-10 .page-footer,
.screen-11 .page-footer {
  padding: var(--spacing-lg) var(--spacing-lg) 0;
  margin-top: var(--spacing-lg);
  border-top: 1px solid #e5e5ea;
  background: #ffffff;
}

.screen-9 .back-link,
.screen-10 .back-link,
.screen-11 .back-link {
  font-weight: 500;
  font-size: 14px;
  margin: 0 var(--spacing-md) var(--spacing-sm);
  display: inline-block;
}

.screen-9 .iphone-frame,
.screen-10 .iphone-frame,
.screen-11 .iphone-frame {
  padding: 50px 0 0;
  background: #ffffff;
}

.screen-9 .time,
.screen-10 .time,
.screen-11 .time {
  color: #000000;
}

.shopping-list-section::-webkit-scrollbar {
  width: 4px;
}

.shopping-list-section::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 2px;
}

.shopping-list-section::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 2px;
}

.shopping-list-section::-webkit-scrollbar-thumb:hover {
  background: #a1a1a1;
}

.main-content-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding-bottom: var(--spacing-lg);
}

.meal-plan-section {
  flex-shrink: 0;
  margin: 0 var(--spacing-lg) var(--spacing-lg);
}

.shopping-list-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 0 var(--spacing-lg);
  min-height: 200px;
}

.shopping-title {
  flex-shrink: 0;
  margin-bottom: var(--spacing-md);
}

.shopping-category-container {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
}

.screen-6 .calculate-btn {
  background: var(--primary-gradient);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-size: var(--font-size-xl);
  font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  width: 100%;
  border: none;
}

.screen-6 .calculate-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.screen-6 .calculate-btn:active {
  transform: translateY(-1px);
}

.screen-6 .calculate-btn i {
  font-size: var(--font-size-lg);
}

.screen-6 .gender-buttons {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-sm);
}

.screen-6 .gender-btn {
  flex: 1;
  padding: var(--spacing-lg);
  border: 2px solid var(--gray-border);
  border-radius: var(--radius-md);
  background: var(--gray-bg);
  text-decoration: none;
  color: var(--gray-dark);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-normal);
}

.screen-6 .gender-btn:hover {
  background: var(--primary-gradient);
  color: var(--white);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.screen-6 .gender-btn.selected {
  background: var(--primary-gradient);
  color: var(--white);
  border-color: var(--primary-color);
}

.screen-6 .gender-btn i {
  font-size: var(--font-size-lg);
}

.screen-6 .form-input {
  background: var(--white);
  border: 2px solid var(--gray-border);
}

.screen-6 .form-input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.screen-8:target,
.screen-9:target,
.screen-10:target,
.screen-11:target {
  animation: pulse-highlight 1s ease;
}

.budget-card.economy .budget-name {
  color: #34c759;
}

.budget-card.economy .budget-description {
  border-color: #34c759;
}

.budget-card.economy .budget-icon {
  background: rgba(52, 199, 89, 0.2);
  color: #34c759;
}

.budget-card.standard .budget-name {
  color: #007aff;
}

.budget-card.standard .budget-description {
  border-color: #007aff;
}

.budget-card.standard .budget-icon {
  background: rgba(0, 122, 255, 0.2);
  color: #007aff;
}

.budget-card.premium .budget-name {
  color: #ff9500;
}

.budget-card.premium .budget-description {
  border-color: #ff9500;
}

.budget-card.premium .budget-icon {
  background: rgba(255, 149, 0, 0.2);
  color: #ff9500;
}

/* Responsive fixes */
@media (max-width: 480px) {
  .screen-9 .iphone-screen,
  .screen-10 .iphone-screen,
  .screen-11 .iphone-screen {
    height: 852px;
  }

  .plan-title {
    font-size: 28px;
  }

  .meal-plan-section {
    margin: 0 var(--spacing-md) var(--spacing-lg);
    padding: var(--spacing-lg);
  }

  .shopping-list-section {
    padding: 0 var(--spacing-md);
  }

  .shopping-category {
    padding: var(--spacing-md);
  }

  .meal-items,
  .shopping-item label {
    font-size: 14px;
  }

  .screen-6 .calculate-btn {
    padding: var(--spacing-lg);
    font-size: var(--font-size-lg);
  }
}

.screen-9 .screen-content,
.screen-10 .screen-content,
.screen-11 .screen-content {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.meal-plan-section,
.shopping-list-section {
  flex-shrink: 0;
}

.shopping-list-section {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

.btn-primary,
.btn-secondary,
.calculate-btn,
.submit-btn,
.view-plans-btn,
.budget-select-btn {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

.screen-6 .gender-btn,
.screen-6 .calculate-btn {
  opacity: 1;
  visibility: visible;
  display: flex;
}

.screen-6 .calculate-btn {
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.screen-6 .calculate-btn:hover {
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.6);
}

.screen-6 .bmi-form {
  gap: 25px;
}

.screen-6 .form-group:last-child {
  margin-top: 10px;
}

.screen-6 .screen-content {
  height: 100% !important;
  overflow-y: auto !important;
  padding-top: 40px !important;
  padding-bottom: 120px !important;
  display: flex !important;
  flex-direction: column !important;
}

.screen-6 .form-container {
  flex: 1 !important;
  display: flex !important;
  flex-direction: column !important;
  overflow: visible !important;
}

.screen-6 .bmi-form {
  display: flex !important;
  flex-direction: column !important;
  gap: 25px !important;
  flex: 1 !important;
}

.screen-6 .calculate-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  color: white !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 10px !important;
  margin-top: auto !important;
  margin-bottom: 30px !important;
  padding: 20px !important;
  border-radius: 16px !important;
  font-size: 18px !important;
  font-weight: 600 !important;
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4) !important;
  width: 100% !important;
  border: none !important;
  cursor: pointer !important;
  position: sticky !important;
  bottom: 10px !important;
  z-index: 100 !important;
}

.screen-6 .calculate-btn:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 12px 30px rgba(102, 126, 234, 0.6) !important;
}

.screen-6 .iphone-screen {
  height: 900px !important;
}