:root {
  --md-primary: #5E35B3;
  --md-primary-gradient: linear-gradient(135deg, #5E35B3, #7B1FA2);
  --md-on-primary: #FFFFFF;
  --md-primary-container: #EDE0FF;
  --md-on-primary-container: #21005D;
  --md-secondary: #00838F;
  --md-on-secondary: #FFFFFF;
  --md-secondary-container: #CCF8FB;
  --md-on-secondary-container: #002022;
  --md-tertiary: #C2185B;
  --md-on-tertiary: #FFFFFF;
  --md-tertiary-container: #FFE0EC;
  --md-error: #D32F2F;
  --md-on-error: #FFFFFF;
  --md-error-container: #FFEBEE;
  --md-surface: #FAFAFE;
  --md-surface-dim: #DBD8E1;
  --md-surface-bright: #FAFAFE;
  --md-surface-container-lowest: #FFFFFF;
  --md-surface-container-low: #F5F2FA;
  --md-surface-container: #F0ECF5;
  --md-surface-container-high: #EBE7F0;
  --md-surface-container-highest: #E4E1EA;
  --md-on-surface: #1C1B1F;
  --md-on-surface-variant: #49454F;
  --md-outline: #7A7588;
  --md-outline-variant: #CAC4D6;
  --md-inverse-surface: #313033;
  --md-inverse-on-surface: #F4EFF4;
  --md-shadow: rgba(0, 0, 0, 0.15);
  --md-radius-sm: 8px;
  --md-radius-md: 12px;
  --md-radius-lg: 16px;
  --md-radius-xl: 20px;
  --md-radius-full: 999px;
  --md-font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --md-font-mono: 'SF Mono', 'Fira Code', monospace;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--md-font);
  color: var(--md-on-surface);
  background: var(--md-surface);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.app-body, .doctor-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-top: 64px;
}

.app-main, .doctor-main {
  flex: 1;
}

@media (min-width: 768px) {
  .app-body, .doctor-body {
    padding-bottom: 0;
  }
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 24px;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 32px;
  }
}

h1, h2, h3, h4, h5, h6 {
  color: var(--md-on-surface);
  line-height: 1.2;
}

h1 { font-size: 2rem; font-weight: 700; }
h2 { font-size: 1.5rem; font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }

@media (min-width: 768px) {
  h1 { font-size: 2.75rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
}

p { margin-bottom: 1rem; color: var(--md-on-surface-variant); }
a { color: var(--md-primary); text-decoration: none; transition: color var(--transition-standard); }
a:hover { color: var(--md-on-primary-container); }

img { max-width: 100%; height: auto; }

input, select, textarea, button {
  font-family: var(--md-font);
  font-size: 1rem;
}

.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

.text-primary { color: var(--md-primary); }
.text-secondary { color: var(--md-secondary); }
.text-error { color: var(--md-error); }
.text-success { color: var(--md-secondary); }
.text-muted { color: var(--md-on-surface-variant); }
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }
.flex-1 { flex: 1; }

.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--md-surface-container);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--md-outline-variant);
  height: 64px;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--md-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-text { letter-spacing: -0.5px; }

.nav-links {
  display: none;
  align-items: center;
  gap: 4px;
}

@media (min-width: 768px) {
  .nav-links { display: flex; }
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--md-radius-full);
  color: var(--md-on-surface-variant);
  font-weight: 500;
  font-size: 0.875rem;
  transition: all var(--transition-standard);
}

.nav-link:hover, .nav-link.active {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--md-radius-full);
  background: var(--md-primary);
  color: var(--md-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity var(--transition-standard);
}

.nav-avatar:hover { opacity: 0.9; }

.nav-mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--md-radius-full);
  background: transparent;
  border: none;
  color: var(--md-on-surface);
  cursor: pointer;
  transition: background var(--transition-standard);
}

@media (min-width: 768px) {
  .nav-mobile-toggle { display: none; }
}

.nav-mobile-toggle:hover { background: var(--md-surface-container-high); }

.nav-links.nav-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--md-surface-container-low);
  padding: 16px;
  border-bottom: 1px solid var(--md-outline-variant);
  box-shadow: var(--md-shadow);
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--md-surface-container);
  border-top: 1px solid var(--md-outline-variant);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 64px;
  padding: 0 8px;
}

@media (min-width: 768px) {
  .bottom-nav { display: none; }
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 12px;
  border-radius: var(--md-radius-lg);
  color: var(--md-on-surface-variant);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 500;
  transition: all var(--transition-standard);
  min-width: 48px;
}

.bottom-nav-item:hover, .bottom-nav-item.active {
  color: var(--md-primary);
  background: var(--md-primary-container);
}

.bottom-nav-item .material-icons-round {
  font-size: 22px;
}

.bottom-nav-label {
  font-size: 0.6875rem;
  white-space: nowrap;
}

.footer {
  background: var(--md-surface-container-low);
  border-top: 1px solid var(--md-outline-variant);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
}

@media (min-width: 768px) {
  .footer { padding-bottom: 48px; }
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--md-primary);
  margin-bottom: 12px;
}

.footer-tagline {
  color: var(--md-on-surface-variant);
  font-size: 0.875rem;
  margin-bottom: 0;
}

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--md-on-surface);
  margin-bottom: 12px;
}

.footer-col a {
  display: block;
  color: var(--md-on-surface-variant);
  font-size: 0.875rem;
  padding: 4px 0;
  transition: color var(--transition-standard);
}

.footer-col a:hover { color: var(--md-primary); }

.footer-bottom {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--md-outline-variant);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--md-on-surface-variant);
  margin-bottom: 0;
}

.trust-badge {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
  padding: 6px 16px;
  border-radius: var(--md-radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.flash-messages {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  width: calc(100% - 32px);
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.flash-message {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--md-radius-lg);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 4px 12px var(--md-shadow);
}

.flash-success { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.flash-error, .flash-danger { background: var(--md-error-container); color: var(--md-error); }
.flash-warning { background: var(--md-tertiary-container); color: var(--md-on-surface); }
.flash-info { background: var(--md-primary-container); color: var(--md-on-primary-container); }

.flash-icon { font-size: 20px; }
.flash-close {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  margin-left: auto;
  padding: 0;
  display: flex;
  align-items: center;
}

.savings-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
  padding: 4px 12px;
  border-radius: var(--md-radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
}

.price-original {
  text-decoration: line-through;
  color: var(--md-on-surface-variant);
  font-size: 0.875rem;
}

.price-current {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--md-on-surface);
}

.price-per-month {
  font-size: 0.875rem;
  color: var(--md-on-surface-variant);
}

.section-header {
  text-align: center;
  margin-bottom: 2rem;
}

.section-header h2 {
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--md-on-surface-variant);
  max-width: 600px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .section-header p {
    font-size: 1.125rem;
  }
}

.hero-section {
  padding: 2rem 0 3rem;
}

@media (min-width: 768px) {
  .hero-section {
    padding: 4rem 0 5rem;
  }
}

.hero-content {
  text-align: center;
}

.hero-content h1 {
  margin-bottom: 1rem;
  font-size: 2.25rem;
  line-height: 1.1;
}

@media (min-width: 768px) {
  .hero-content h1 {
    font-size: 3.5rem;
  }
}

.hero-content .hero-subtitle {
  font-size: 1.125rem;
  color: var(--md-on-surface-variant);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .hero-content .hero-subtitle {
    font-size: 1.25rem;
  }
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--md-primary);
}

@media (min-width: 768px) {
  .hero-stat-value {
    font-size: 2.25rem;
  }
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: var(--md-on-surface-variant);
  font-weight: 500;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

@media (min-width: 768px) {
  .hero-cta {
    flex-direction: row;
    justify-content: center;
  }
}

.discount-banner {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  padding: 12px 24px;
  border-radius: var(--md-radius-lg);
  text-align: center;
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.discount-banner strong {
  color: var(--md-primary);
}

.hero-disclaimer {
  font-size: 0.75rem;
  color: var(--md-on-surface-variant);
  margin-top: 1rem;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}

.card-grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .card-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.form-section {
  max-width: 480px;
  margin: 0 auto;
  padding: 2rem 0;
}

.form-section-wide {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 0;
}

.page-header {
  padding: 2rem 0 1rem;
}

@media (min-width: 768px) {
  .page-header {
    padding: 3rem 0 1.5rem;
  }
}

.page-header h1 {
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--md-on-surface-variant);
  max-width: 600px;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
}

.empty-state .material-icons-round {
  font-size: 48px;
  color: var(--md-outline);
  margin-bottom: 1rem;
}

.empty-state h3 {
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--md-on-surface-variant);
  margin-bottom: 1.5rem;
}

.countdown {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  color: var(--md-primary);
}

.countdown-unit {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  padding: 4px 8px;
  border-radius: var(--md-radius-sm);
  font-size: 0.875rem;
}

.medical-disclaimer {
  background: var(--md-surface-container);
  border-left: 4px solid var(--md-outline-variant);
  padding: 16px;
  border-radius: 0 var(--md-radius-md) var(--md-radius-md) 0;
  font-size: 0.8125rem;
  color: var(--md-on-surface-variant);
  margin: 1.5rem 0;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--md-on-surface-variant);
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--md-primary);
}

.breadcrumbs .separator {
  color: var(--md-outline-variant);
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 2rem;
}

.pagination a, .pagination span {
  padding: 8px 14px;
  border-radius: var(--md-radius-md);
  font-size: 0.875rem;
  font-weight: 500;
}

.pagination a {
  background: var(--md-surface-container);
  color: var(--md-on-surface-variant);
  transition: all var(--transition-standard);
}

.pagination a:hover {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

.pagination .active {
  background: var(--md-primary);
  color: var(--md-on-primary);
}