/* ============================================================
   YUANSU (缘素) — Design System Stylesheet: "Quiet Luxury"
   Refined Friendly Gradient Palette:
     - Friendly Blue Gradient (Primary, Vitality): linear-gradient(135deg, #0284C7 0%, #2563EB 100%)
     - Green Jade (Trust, Verification, Balance): #16A34A / #F0FDF4
     - Royal Pink (Elegance, Romance, Accents): #E11D48 / #FFF1F2
     - Porcelain White & Soft Gray (Bright, Fresh Background): #FAFBFC / #FFFFFF
     - Slate Text (Crisp, Highly Legible): #1E293B / #64748B
   ============================================================ */

:root {
  /* Friendly Blue Gradients & Accents */
  --ys-blue-grad: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  --ys-blue-grad-soft: linear-gradient(135deg, #0ea5e9 0%, #3b82f6 100%);
  --ys-blue-grad-subtle: linear-gradient(180deg, #f0f7ff 0%, #e0f2fe 100%);
  --ys-blue: #0284c7;
  --ys-blue-soft: #0ea5e9;
  --ys-blue-light: #f0f7ff;
  --ys-blue-border: #bae6fd;
  --ys-blue-dark: #0369a1;

  /* Typography Colors (Clean, Modern Slate) */
  --ys-ink: #1e293b;
  --ys-ink-soft: #334155;
  --ys-heading: #0f172a;

  /* Green Jade (Imperial Nephrite / Trust) */
  --ys-jade: #16a34a;
  --ys-jade-grad: linear-gradient(135deg, #16a34a 0%, #059669 100%);
  --ys-jade-light: #f0fdf4;
  --ys-jade-border: #bbf7d0;
  --ys-jade-dark: #15803d;

  /* Warm Champagne Gold & Imperial Amber (Friendly, Warm, High-End) */
  --ys-gold: #c68a18;
  --ys-gold-grad: linear-gradient(135deg, #d49a37 0%, #b47b16 100%);
  --ys-gold-light: #fff8eb;
  --ys-gold-border: #f5deb3;
  --ys-gold-dark: #8c580c;

  /* Aliases for backwards compatibility */
  --ys-pink: #c68a18;
  --ys-pink-grad: linear-gradient(135deg, #d49a37 0%, #b47b16 100%);
  --ys-pink-light: #fff8eb;
  --ys-pink-border: #f5deb3;
  --ys-pink-dark: #8c580c;

  /* Base Surfaces */
  --ys-ivory: #fafbfc;
  --ys-ivory-warm: #f1f5f9;
  --ys-ivory-surface: #ffffff;
  --ys-border: #e2e8f0;
  --ys-border-strong: #cbd5e1;
  --ys-muted: #64748b;
  --ys-faint: #94a3b8;

  /* Secondary Aliases */
  --ys-sage: var(--ys-jade);
  --ys-sage-light: var(--ys-jade-light);
  --ys-coral: #c68a18;
  --ys-coral-light: #fff8eb;

  /* Geometry & Tokens */
  --ys-radius-sm: 8px;
  --ys-radius: 14px;
  --ys-radius-lg: 22px;
  --ys-radius-full: 999px;
  --ys-shadow-sm: 0 2px 6px rgba(2, 132, 199, 0.05);
  --ys-shadow: 0 8px 24px -4px rgba(2, 132, 199, 0.08), 0 2px 6px rgba(15, 23, 42, 0.03);
  --ys-shadow-lg: 0 20px 40px -10px rgba(2, 132, 199, 0.16);
  --ys-font-serif: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --ys-font-sans: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html, body {
  background: var(--ys-ivory);
  color: var(--ys-ink);
  font-family: var(--ys-font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, .ys-serif {
  font-family: var(--ys-font-serif);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ys-heading);
}

h1 { font-size: 32px; line-height: 1.25; }
h2 { font-size: 24px; line-height: 1.33; }
h3 { font-size: 19px; line-height: 1.4; }
p { color: var(--ys-ink); }
.ys-muted { color: var(--ys-muted); }
.ys-faint { color: var(--ys-faint); font-size: 12.5px; }

/* Floating Particles Background Canvas */
.ys-bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.85;
}

/* Top Header Bar */
.ys-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.90);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
  padding: 10px 20px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.ys-topbar-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.ys-topbar-brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ys-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ys-heading);
  flex-shrink: 0;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.ys-brand:hover {
  transform: translateY(-1px);
}
.ys-logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: var(--ys-blue-grad);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ys-font-serif);
  font-weight: 700;
  font-size: 19px;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.32);
  flex-shrink: 0;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.ys-brand:hover .ys-logo-mark {
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.42);
}
.ys-brand-name strong {
  font-family: var(--ys-font-serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ys-heading);
  white-space: nowrap;
}

/* Nav Tabs */
.ys-nav-links {
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(241, 245, 249, 0.7);
  padding: 4px;
  border-radius: var(--ys-radius-full);
  border: 1px solid rgba(226, 232, 240, 0.85);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02);
}
.ys-nav-btn {
  padding: 6px 14px;
  border-radius: var(--ys-radius-full);
  border: 1px solid transparent;
  background: transparent;
  color: var(--ys-body);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s cubic-bezier(0.4, 0, 0.2, 1),
              background-color 0.2s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.2s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
}
.ys-nav-btn:hover {
  background: rgba(2, 132, 199, 0.08);
  color: var(--ys-blue-dark);
  border-color: rgba(2, 132, 199, 0.18);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.08);
}
.ys-nav-btn.active {
  background: var(--ys-blue-grad);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.32);
  transform: translateY(-0.5px);
}
.ys-nav-btn:active {
  transform: translateY(0) scale(0.96);
}
.ys-nav-btn.active .ys-nav-badge {
  background: var(--ys-pink);
  color: #fff;
}

.ys-nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.ys-nav-right-mobile {
  display: none;
}
.ys-nav-right-desktop {
  display: flex;
}
.ys-lang-toggle {
  display: inline-flex;
  align-items: center;
  background: rgba(241, 245, 249, 0.85);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--ys-radius-full);
  padding: 3px;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}
.ys-lang-opt {
  padding: 4px 11px;
  border-radius: var(--ys-radius-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--ys-muted);
  border: none;
  background: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}
.ys-lang-opt:hover {
  color: var(--ys-heading);
}
.ys-lang-opt.active {
  background: var(--ys-blue-grad);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.28);
}
.ys-lang-opt:active {
  transform: scale(0.95);
}

/* App View Containers */
.ys-main-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}
.ys-screen {
  display: none;
  animation: ysFadeIn 0.22s ease-out;
}
.ys-screen.active {
  display: block;
}

@keyframes ysFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards & Containers */
.ys-card {
  background: var(--ys-ivory-surface);
  border: 1px solid var(--ys-border);
  border-radius: var(--ys-radius);
  padding: 24px;
  box-shadow: var(--ys-shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.ys-card-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--ys-shadow);
  border-color: var(--ys-blue-border);
}

/* Badges */
.ys-badge-gold,
.ys-badge-jade {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--ys-jade-light);
  border: 1px solid var(--ys-jade-border);
  color: var(--ys-jade-dark);
  font-size: 11.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--ys-radius-full);
}
.ys-badge-pink {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--ys-pink-light);
  border: 1px solid var(--ys-pink-border);
  color: var(--ys-pink-dark);
  font-size: 11.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--ys-radius-full);
}
.ys-badge-sage {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--ys-blue-light);
  border: 1px solid var(--ys-blue-border);
  color: var(--ys-blue-dark);
  font-size: 11.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--ys-radius-full);
}
.ys-serious-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ys-pink);
  display: inline-block;
  margin-right: 4px;
}

/* Buttons */
.ys-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--ys-blue-grad);
  color: #fff;
  border: none;
  border-radius: var(--ys-radius-full);
  padding: 10px 22px;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.18s ease;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.28);
}
.ys-btn-primary:hover {
  background: var(--ys-blue-grad-soft);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.38);
}
.ys-btn-gold,
.ys-btn-pink {
  background: var(--ys-pink-grad);
  color: #ffffff;
  border: none;
  border-radius: var(--ys-radius-full);
  padding: 10px 22px;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.18s ease;
  box-shadow: 0 4px 14px rgba(198, 138, 24, 0.25);
}
.ys-btn-gold:hover,
.ys-btn-pink:hover {
  background: linear-gradient(135deg, #d49a37 0%, #b47b16 100%);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(198, 138, 24, 0.35);
}
.ys-btn-jade {
  background: var(--ys-jade-grad);
  color: #ffffff;
  border: none;
  border-radius: var(--ys-radius-full);
  padding: 10px 22px;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.18s ease;
  box-shadow: 0 4px 14px rgba(22, 163, 74, 0.25);
}
.ys-btn-jade:hover {
  background: linear-gradient(135deg, #15803d 0%, #047857 100%);
  color: #ffffff;
}
.ys-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--ys-ivory-surface);
  color: var(--ys-blue);
  border: 1px solid var(--ys-blue-border);
  border-radius: var(--ys-radius-full);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.18s ease;
}
.ys-btn-secondary:hover {
  background: var(--ys-blue-light);
  border-color: var(--ys-blue);
  color: var(--ys-blue-dark);
}

/* Compliance Disclaimer Banner */
.ys-compliance-banner {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--ys-radius);
  padding: 12px 18px;
  margin-top: 24px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 12.5px;
  color: var(--ys-jade-dark);
  line-height: 1.5;
}
.ys-compliance-icon {
  flex: 0 0 16px;
  margin-top: 1px;
  color: var(--ys-jade);
}

/* Screen 1: Landing Page */
.ys-hero-wrap {
  text-align: center;
  padding: 42px 20px 32px;
  max-width: 840px;
  margin: 0 auto;
}
.ys-hero-tag {
  display: inline-block;
  background: var(--ys-pink-light);
  border: 1px solid var(--ys-pink-border);
  color: var(--ys-pink-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: var(--ys-radius-full);
  margin-bottom: 16px;
}
.ys-hero-title {
  font-size: 38px;
  line-height: 1.22;
  margin-bottom: 16px;
  color: var(--ys-heading);
}
.ys-hero-lead {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ys-muted);
  max-width: 700px;
  margin: 0 auto 28px;
}
.ys-hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.ys-trust-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px 32px;
  padding: 16px 22px;
  background: var(--ys-ivory-surface);
  border: 1px solid var(--ys-border);
  border-radius: var(--ys-radius-full);
  max-width: 860px;
  margin: 0 auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--ys-ink);
  box-shadow: var(--ys-shadow-sm);
}
.ys-trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.ys-trust-item svg {
  color: var(--ys-jade);
}

.ys-audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.ys-audience-card {
  background: var(--ys-ivory-surface);
  border: 1px solid var(--ys-border);
  border-radius: var(--ys-radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.ys-audience-tag {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ys-pink);
  margin-bottom: 8px;
}
.ys-audience-card h3 {
  margin-bottom: 8px;
  color: var(--ys-heading);
}
.ys-audience-card p {
  font-size: 13.5px;
  color: var(--ys-muted);
  margin-bottom: 16px;
}

/* Screen 2: Onboarding & PIPL Consent */
.ys-onboard-wrap {
  max-width: 680px;
  margin: 0 auto;
  background: var(--ys-ivory-surface);
  border: 1px solid var(--ys-border);
  border-radius: var(--ys-radius-lg);
  padding: 36px 32px;
  box-shadow: var(--ys-shadow);
}
.ys-progress-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}
.ys-progress-step {
  height: 4px;
  flex: 1;
  background: var(--ys-border);
  border-radius: 999px;
}
.ys-progress-step.active {
  background: var(--ys-blue-grad);
}
.ys-consent-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--ys-ivory);
  border: 1px solid var(--ys-border);
  border-radius: var(--ys-radius);
  margin-bottom: 12px;
}
.ys-consent-check {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: var(--ys-jade);
  cursor: pointer;
}
.ys-consent-content {
  flex: 1;
}
.ys-consent-title {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--ys-heading);
}
.ys-why-link {
  font-size: 11.5px;
  color: var(--ys-blue);
  text-decoration: underline;
  cursor: pointer;
  background: none;
  border: none;
  font-weight: 600;
}
.ys-consent-desc {
  font-size: 12.5px;
  color: var(--ys-muted);
  line-height: 1.45;
}

/* Screen 3: Discover & Matches */
.ys-feed-filters {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 18px;
  background: var(--ys-ivory-surface);
  border: 1px solid var(--ys-border);
  border-radius: var(--ys-radius);
  margin-bottom: 24px;
}
.ys-filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.ys-filter-chip {
  padding: 5px 12px;
  border-radius: var(--ys-radius-full);
  border: 1px solid var(--ys-border);
  background: var(--ys-ivory);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ys-muted);
  cursor: pointer;
}
.ys-filter-chip.active {
  background: var(--ys-blue-grad);
  color: #fff;
  border-color: transparent;
}

.ys-feed-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 28px 0 16px;
  border-bottom: 1px solid var(--ys-border);
  padding-bottom: 8px;
}
.ys-feed-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.ys-profile-card {
  background: var(--ys-ivory-surface);
  border: 1px solid var(--ys-border);
  border-radius: var(--ys-radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.ys-profile-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.ys-avatar {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--ys-pink);
}
.ys-profile-info h3 {
  font-size: 16.5px;
  margin-bottom: 2px;
  color: var(--ys-heading);
}
.ys-profile-meta {
  font-size: 12.5px;
  color: var(--ys-muted);
}
.ys-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0 14px;
}
.ys-tag {
  font-size: 11.5px;
  background: var(--ys-ivory);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--ys-muted);
}

/* Screen 4: Chat with WeChat-Style Translator */
.ys-chat-wrap {
  max-width: 760px;
  margin: 0 auto;
  background: var(--ys-ivory-surface);
  border: 1px solid var(--ys-border);
  border-radius: var(--ys-radius-lg);
  overflow: hidden;
  box-shadow: var(--ys-shadow);
  display: flex;
  flex-direction: column;
  height: 640px;
}
.ys-chat-head {
  padding: 14px 20px;
  background: var(--ys-blue-light);
  border-bottom: 1px solid var(--ys-blue-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ys-chat-partner {
  display: flex;
  align-items: center;
  gap: 10px;
}
.ys-chat-switch-box {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ys-blue-dark);
}
.ys-toggle-switch {
  position: relative;
  width: 36px;
  height: 20px;
  background: #cbd5e1;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s;
}
.ys-toggle-switch.on {
  background: var(--ys-jade);
}
.ys-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}
.ys-toggle-switch.on .ys-toggle-thumb {
  transform: translateX(16px);
}

.ys-chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  background: #fafbfc;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.ys-disclaimer-pill {
  align-self: center;
  background: var(--ys-blue-light);
  color: var(--ys-blue-dark);
  font-size: 11px;
  font-weight: 500;
  padding: 4px 14px;
  border-radius: 999px;
  text-align: center;
  border: 1px solid var(--ys-blue-border);
}
.ys-msg-row {
  display: flex;
  gap: 10px;
  max-width: 82%;
}
.ys-msg-row.incoming {
  align-self: flex-start;
}
.ys-msg-row.outgoing {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.ys-msg-bubble {
  background: #fff;
  border: 1px solid var(--ys-border);
  border-radius: 14px;
  padding: 10px 14px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
  cursor: pointer;
  position: relative;
}
.ys-msg-row.outgoing .ys-msg-bubble {
  background: var(--ys-blue-grad);
  color: #fff;
  border: none;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.2);
}
.ys-msg-orig {
  font-size: 14.5px;
  line-height: 1.45;
}
.ys-msg-trans {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px dashed rgba(100, 116, 139, 0.25);
  font-size: 13px;
  color: var(--ys-muted);
}
.ys-msg-row.outgoing .ys-msg-trans {
  color: #e0f2fe;
  border-top-color: rgba(255, 255, 255, 0.25);
}
.ys-msg-voice {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 600;
}
.ys-voice-bar {
  display: flex;
  gap: 2px;
  align-items: center;
  height: 14px;
}
.ys-voice-bar span {
  width: 2px;
  background: currentColor;
  border-radius: 1px;
}

.ys-nuance-tag {
  margin-top: 6px;
  padding: 4px 8px;
  background: var(--ys-pink-light);
  border: 1px solid var(--ys-pink-border);
  border-radius: 6px;
  font-size: 11.5px;
  color: var(--ys-pink-dark);
  font-style: italic;
  display: flex;
  align-items: flex-start;
  gap: 4px;
}

.ys-chat-composer {
  padding: 12px 16px;
  background: #fff;
  border-top: 1px solid var(--ys-border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.ys-comp-btn {
  background: var(--ys-ivory);
  border: 1px solid var(--ys-border);
  color: var(--ys-blue);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 700;
}
.ys-comp-btn.yi-btn {
  background: var(--ys-pink-light);
  border-color: var(--ys-pink-border);
  color: var(--ys-pink-dark);
}
.ys-comp-input {
  flex: 1;
  padding: 9px 14px;
  border-radius: var(--ys-radius-full);
  border: 1px solid var(--ys-border);
  background: var(--ys-ivory);
  font-size: 14px;
  outline: none;
}
.ys-comp-input:focus {
  border-color: var(--ys-blue);
  background: #fff;
}

/* Screen 5: Advisor Booking */
.ys-advisor-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  background: var(--ys-ivory-surface);
  border: 1px solid var(--ys-border);
  border-radius: var(--ys-radius-lg);
  padding: 28px;
  margin-bottom: 28px;
}
.ys-advisor-photo {
  width: 100%;
  border-radius: var(--ys-radius);
  object-fit: cover;
  box-shadow: var(--ys-shadow-sm);
  border: 2px solid var(--ys-pink-border);
}
.ys-tracker-stages {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin: 18px 0;
}
.ys-stage-item {
  background: var(--ys-ivory);
  border: 1px solid var(--ys-border);
  border-radius: var(--ys-radius-sm);
  padding: 12px;
  text-align: center;
  font-size: 12px;
}
.ys-stage-item.complete {
  background: var(--ys-jade-light);
  border-color: var(--ys-jade-border);
  color: var(--ys-jade-dark);
}
.ys-stage-item.active {
  background: var(--ys-blue-light);
  border-color: var(--ys-blue-border);
  color: var(--ys-blue-dark);
  font-weight: 700;
}

/* Screen 6: Offline Event */
.ys-event-card {
  background: var(--ys-ivory-surface);
  border: 1px solid var(--ys-border);
  border-radius: var(--ys-radius-lg);
  overflow: hidden;
  box-shadow: var(--ys-shadow);
}
.ys-event-hero-img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  background: linear-gradient(135deg, #0284c7 0%, #1e40af 100%);
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 28px;
  color: #fff;
}
.ys-event-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(2,132,199,0.15) 0%, rgba(15,23,42,0.85) 100%);
}
.ys-event-hero-content {
  position: relative;
  z-index: 2;
}
.ys-event-body {
  padding: 28px;
}
.ys-event-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 18px;
  background: var(--ys-ivory);
  border-radius: var(--ys-radius);
  margin: 20px 0;
  font-size: 13.5px;
}

/* Screen 7: Membership & Pricing */
.ys-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin: 28px 0;
}
.ys-pricing-card {
  background: var(--ys-ivory-surface);
  border: 1px solid var(--ys-border);
  border-radius: var(--ys-radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.ys-pricing-card.featured {
  border-color: var(--ys-blue);
  box-shadow: 0 12px 32px -8px rgba(2, 132, 199, 0.2);
  background: #ffffff;
  position: relative;
}
.ys-featured-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ys-pink-grad);
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  padding: 3px 14px;
  border-radius: 999px;
  text-transform: uppercase;
  box-shadow: 0 3px 8px rgba(198, 138, 24, 0.25);
}
.ys-price-amount {
  font-size: 32px;
  font-family: var(--ys-font-serif);
  font-weight: 700;
  color: var(--ys-heading);
  margin: 12px 0 4px;
}
.ys-feature-list {
  list-style: none;
  margin: 18px 0 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13.5px;
}
.ys-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.ys-feature-list li svg {
  color: var(--ys-jade);
  flex: 0 0 16px;
  margin-top: 3px;
}

/* Screen 8: Privacy Dashboard */
.ys-privacy-card {
  background: var(--ys-ivory-surface);
  border: 1px solid var(--ys-border);
  border-radius: var(--ys-radius);
  padding: 24px;
  margin-bottom: 20px;
}
.ys-discreet-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  background: var(--ys-blue-grad);
  color: #fff;
  border-radius: var(--ys-radius);
  margin-bottom: 24px;
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.25);
}

/* Modal Popup */
.ys-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.ys-modal-backdrop.open {
  display: flex;
}
.ys-modal {
  background: #fff;
  border-radius: var(--ys-radius-lg);
  max-width: 520px;
  width: 100%;
  padding: 28px;
  box-shadow: var(--ys-shadow-lg);
  animation: ysFadeIn 0.2s ease-out;
}

/* Responsive Layouts (PC & Mobile Navigation) */
@media (max-width: 900px) {
  .ys-topbar {
    padding: 8px 12px;
  }
  .ys-topbar-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .ys-topbar-brand-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .ys-nav-right-desktop {
    display: none;
  }
  .ys-nav-right-mobile {
    display: flex;
  }
  .ys-nav-links {
    display: flex !important;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 6px;
    padding: 3px;
    width: 100%;
    border-radius: var(--ys-radius-full);
  }
  .ys-nav-links::-webkit-scrollbar {
    display: none;
  }
  .ys-nav-btn {
    padding: 6px 13px;
    font-size: 12.5px;
    flex-shrink: 0;
    min-height: 34px;
  }
  .ys-audience-grid,
  .ys-pricing-grid,
  .ys-feed-grid {
    grid-template-columns: 1fr;
  }
  .ys-advisor-card {
    grid-template-columns: 1fr;
  }
  .ys-event-meta-grid {
    grid-template-columns: 1fr 1fr;
  }
  .ys-tracker-stages {
    grid-template-columns: 1fr;
  }
}