:root {
  color-scheme: dark;
  --bg: #0a0e27;
  --bg-secondary: #12172b;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --text: #f0f4ff;
  --text-secondary: #b8c5e0;
  --text-muted: #8b98b8;
  --accent: #58e6f5;
  --accent-2: #a78bfa;
  --accent-warm: #fbbf24;
  --border: rgba(255, 255, 255, 0.08);
  --success: #10b981;

  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: 
    radial-gradient(circle at 20% 50%, rgba(88, 230, 245, 0.08), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(167, 139, 250, 0.06), transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

code {
  font-family: "JetBrains Mono", monospace;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
}

/* ========== TOPBAR ========== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 32px;
  margin-bottom: 60px;
  gap: 32px;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 39, 0.75);
  backdrop-filter: blur(12px);
  border-radius: 999px;
  border: 1px solid var(--border);
}

.brand {
  font-weight: 800;
  font-size: 14px;
  flex-shrink: 0;
  color: var(--accent);
  transition: all var(--transition);
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.brand:hover {
  background: rgba(88, 230, 245, 0.1);
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
  margin: 0;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--accent);
}

/* ========== PET HERO ========== */
.pet-hero {
  text-align: center;
  margin-bottom: 80px;
  animation: fadeInUp 600ms ease-out;
}

.pet-type {
  font-size: 16px;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 12px 0;
}

.pet-hero h1 {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 900;
  margin: 0 0 12px 0;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pet-tagline {
  font-size: 20px;
  color: var(--text-secondary);
  margin: 0;
  font-weight: 500;
}

/* ========== PHOTO GALLERY ========== */
.photo-gallery {
  margin-bottom: 100px;
}

.gallery-main {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(88, 230, 245, 0.1), rgba(167, 139, 250, 0.1));
  border: 1px solid var(--border);
  animation: fadeInUp 700ms ease-out;
  aspect-ratio: 16 / 9;
  min-height: 420px;
}

.gallery-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.gallery-thumbnails {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.thumbnail {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
}

.thumbnail:hover {
  border-color: var(--accent);
  transform: scale(1.05);
}

/* ========== PET DETAILS ========== */
.pet-details {
  margin-bottom: 100px;
}

.details-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.detail-column,
.traits-column {
  opacity: 0;
}

.detail-column.fade-in,
.traits-column.fade-in {
  animation: fadeInUp 600ms ease-out forwards;
}

.detail-column h2,
.traits-column h3 {
  font-size: 28px;
  font-weight: 800;
  margin: 0 0 20px 0;
  color: var(--text);
}

.detail-column p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0 0 20px 0;
}

.traits-column h3 {
  font-size: 20px;
}

.traits-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.traits-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.traits-list li:last-child {
  border-bottom: none;
}

.traits-list strong {
  color: var(--accent);
  font-weight: 600;
}

/* ========== FUN FACTS ========== */
.fun-facts {
  margin-bottom: 100px;
}

.fun-facts h2 {
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 40px 0;
  text-align: center;
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.fact-item {
  padding: 32px 24px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(88, 230, 245, 0.08), rgba(167, 139, 250, 0.06));
  border: 1px solid var(--border);
  text-align: center;
  opacity: 0;
  transition: all var(--transition);
}

.fact-item.fade-in {
  animation: fadeInUp 600ms ease-out forwards;
}

.fact-item:hover {
  background: linear-gradient(135deg, rgba(88, 230, 245, 0.15), rgba(167, 139, 250, 0.12));
  border-color: var(--accent);
  transform: translateY(-4px);
}

.fact-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.fact-item h4 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px 0;
  color: var(--accent);
}

.fact-item p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* ========== PET NAVIGATION ========== */
.pet-navigation {
  margin-bottom: 100px;
  text-align: center;
}

.pet-navigation h2 {
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 40px 0;
}

.pet-nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.pet-nav-card {
  padding: 24px;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  transition: all var(--transition);
  opacity: 0;
}

.pet-nav-card.fade-in {
  animation: fadeInUp 600ms ease-out forwards;
}

.pet-nav-card:hover {
  background: var(--panel-strong);
  border-color: var(--accent);
  transform: translateY(-4px);
}

.pet-nav-emoji {
  font-size: 48px;
  margin-bottom: 12px;
  display: block;
}

.pet-nav-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 4px 0;
  color: var(--accent);
}

.pet-nav-card p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

/* ========== FOOTER ========== */
.footer {
  text-align: center;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 14px;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 600ms ease-out forwards !important;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .page-shell {
    width: min(100%, calc(100% - 24px));
  }

  .topbar {
    padding: 12px 20px;
    gap: 20px;
  }

  .details-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .topbar {
    margin-bottom: 40px;
  }

  .pet-hero h1 {
    font-size: 2.5rem;
  }

  .pet-tagline {
    font-size: 18px;
  }

  .gallery-main {
    margin-bottom: 40px;
  }

  .gallery-image {
    max-height: 400px;
  }

  .detail-column h2 {
    font-size: 24px;
  }

  .fun-facts h2 {
    font-size: 24px;
  }

  .pet-navigation h2 {
    font-size: 24px;
  }

  .pet-nav-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
  }

  .pet-nav-emoji {
    font-size: 36px;
  }

  .pet-nav-card h4 {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .topbar {
    flex-wrap: wrap;
    padding: 10px 16px;
    gap: 12px;
  }

  .brand {
    font-size: 12px;
    padding: 6px 12px;
  }

  .nav-links {
    gap: 12px;
    font-size: 12px;
    order: 3;
    flex-basis: 100%;
  }

  .pet-hero h1 {
    font-size: 2rem;
  }

  .pet-tagline {
    font-size: 16px;
  }

  .gallery-image {
    max-height: 300px;
  }

  .detail-column h2 {
    font-size: 20px;
  }

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

  .fact-item {
    padding: 24px 16px;
  }

  .fact-icon {
    font-size: 36px;
  }

  .pet-nav-grid {
    grid-template-columns: 1fr;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}