/* ==========================================================================
   FaunaWiki Modern Nature & Zoology Theme
   Optimized for High-Contrast Readability, SEO/AEO Layouts, & Responsiveness
   ========================================================================== */

:root {
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition-speed: 0.2s;
  
  /* Modern Nature Color Palette */
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --card-hover: #f1f5f9;
  --text-color: #0f172a;
  --text-muted: #475569;
  --text-light: #64748b;
  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  
  --primary-color: #065f46;       /* Deep Emerald Green */
  --primary-hover: #047857;
  --accent-color: #059669;        /* Active Emerald */
  --accent-light: #ecfdf5;        /* Sage / Mint Glow */
  --accent-border: #a7f3d0;
  --highlight-color: #d97706;     /* Amber Gold */
  
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 16px -2px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
  
  /* IUCN Red List Conservation Status Colors */
  --lc-color: #10b981; /* Least Concern */
  --nt-color: #0d9488; /* Near Threatened */
  --vu-color: #f59e0b; /* Vulnerable */
  --en-color: #ea580c; /* Endangered */
  --cr-color: #dc2626; /* Critically Endangered */
}

[data-theme="dark"] {
  --bg-color: #090d10;
  --card-bg: #111822;
  --card-hover: #192330;
  --text-color: #f1f5f9;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  --border-color: #1e293b;
  --border-subtle: #141c26;
  
  --primary-color: #10b981;
  --primary-hover: #34d399;
  --accent-color: #34d399;
  --accent-light: #062a1c;
  --accent-border: #064e3b;
  --highlight-color: #fbbf24;
  
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 16px -2px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-speed);
}

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

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

/* Layout */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
header {
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: var(--shadow-xs);
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

[data-theme="dark"] header {
  background-color: rgba(17, 24, 34, 0.92);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
  gap: 1rem;
}

.logo {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, #059669, #0284c7);
  color: #ffffff;
}

.logo span {
  color: var(--accent-color);
}

nav#main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

nav#main-nav a {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.92rem;
  padding: 0.4rem 0.2rem;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

nav#main-nav a:hover, nav#main-nav a.active {
  color: var(--accent-color);
  border-bottom: 2px solid var(--accent-color);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Header Search */
.header-search {
  position: relative;
  width: 260px;
}

.header-search input {
  width: 100%;
  padding: 0.55rem 1rem 0.55rem 2.2rem;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text-color);
  font-size: 0.88rem;
  outline: none;
  transition: all var(--transition-speed);
}

.header-search input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.header-search svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: var(--text-muted);
  pointer-events: none;
}

.header-search .kbd-hint {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  background-color: var(--border-color);
  color: var(--text-muted);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-weight: 700;
  pointer-events: none;
}

/* Suggestions Dropdown */
.search-suggestions {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  min-width: 320px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  max-height: 360px;
  overflow-y: auto;
  z-index: 300;
  display: none;
}

.search-suggestions.active {
  display: block;
}

.suggestion-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-speed);
  gap: 0.5rem;
}

.suggestion-item:last-child {
  border-bottom: none;
}

.suggestion-item:hover {
  background-color: var(--accent-light);
}

.suggestion-info {
  display: flex;
  flex-direction: column;
}

.suggestion-name {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-color);
}

.suggestion-sci {
  font-style: italic;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.suggestion-category {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-color);
  background-color: var(--accent-light);
  padding: 0.2rem 0.5rem;
  border-radius: 9999px;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Theme Toggle */
.btn-toggle {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  cursor: pointer;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed);
}

.btn-toggle:hover {
  background-color: var(--accent-light);
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.btn-toggle svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-color);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.4rem 0.6rem;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 3.5rem 1.5rem 2.5rem;
  background: linear-gradient(180deg, var(--accent-light) 0%, transparent 100%);
  border-radius: 20px;
  margin: 1.5rem 0 2.5rem;
  border: 1px solid var(--border-color);
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.8rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--text-color);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.hero-search {
  position: relative;
  max-width: 580px;
  margin: 0 auto 1.5rem;
}

.hero-search input {
  width: 100%;
  padding: 1rem 1.25rem 1rem 3.2rem;
  border-radius: 9999px;
  border: 2px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text-color);
  font-size: 1.05rem;
  outline: none;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-speed);
}

.hero-search input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 4px var(--accent-light), var(--shadow-md);
}

.hero-search svg {
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  color: var(--text-muted);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-tags span {
  font-weight: 600;
}

.hero-tag-link {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.82rem;
  color: var(--text-color);
  font-weight: 500;
  transition: all var(--transition-speed);
}

.hero-tag-link:hover {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: #ffffff;
}

/* Home Layout */
.home-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-color);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Class Grid Cards with Real Photography */
.classes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.class-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  text-align: center;
  cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
}

.class-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-lg);
}

.class-card-img-wrap {
  position: relative;
  height: 120px;
  overflow: hidden;
  background-color: var(--border-color);
}

.class-card-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.class-card:hover .class-card-bg-img {
  transform: scale(1.1);
}

.class-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.65) 100%);
}

.class-icon {
  position: absolute;
  bottom: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 44px;
  background-color: var(--card-bg);
  color: var(--accent-color);
  border: 2px solid var(--accent-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  z-index: 2;
}

.class-card:hover .class-icon {
  background-color: var(--accent-color);
  color: #ffffff;
  transform: translateX(-50%) scale(1.1);
}

.class-card-body {
  padding: 1.5rem 1rem 1rem;
}

.class-card-body h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-color);
  margin-bottom: 0.2rem;
}

.class-card-body p {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Habitat Cards with Photography */
.habitats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.habitat-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.habitat-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-lg);
}

.habitat-img-wrap {
  position: relative;
  height: 130px;
  overflow: hidden;
  background-color: var(--border-color);
}

.habitat-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.habitat-card:hover .habitat-img {
  transform: scale(1.08);
}

.habitat-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.6) 100%);
}

.habitat-icon {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  z-index: 2;
}

.habitat-content {
  padding: 1.1rem 1.25rem;
}

.habitat-content h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-color);
  margin-bottom: 0.2rem;
}

.habitat-species-count {
  font-size: 0.78rem;
  color: var(--accent-color);
  font-weight: 700;
}

/* Regional Realm Cards */
.regions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.region-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xs);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.region-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-lg);
}

.region-img-wrap {
  position: relative;
  height: 160px;
  overflow: hidden;
  background-color: var(--border-color);
}

.region-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.region-card:hover .region-img {
  transform: scale(1.08);
}

.region-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.65) 100%);
}

.region-badge-icon {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 40px;
  height: 40px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  z-index: 2;
}

.region-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-grow: 1;
}

.region-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.4rem;
  color: var(--text-color);
}

.region-desc {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.region-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
  margin-top: auto;
}

.region-count {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-color);
}

/* Category & Habitat Detail Banner Hero Media */
.banner-hero-media {
  position: relative;
  height: 220px;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 1.75rem;
  background-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.banner-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.banner-hero-media:hover img {
  transform: scale(1.04);
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.75) 100%);
}

.banner-badge-wrapper {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 2;
}

.banner-badge-icon {
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: var(--shadow-md);
}

.banner-badge-tag {
  display: inline-block;
  background-color: var(--accent-color);
  color: #ffffff;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.35rem;
}

.banner-title {
  color: #ffffff !important;
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  margin: 0;
  text-shadow: 0 2px 4px rgba(0,0,0,0.4);
}

/* Card Category Badge & Trait Pill */
.card-category-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  color: #ffffff;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  z-index: 2;
}

.card-trait-pill {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 700;
  background-color: var(--bg-color);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
}

/* Search Autocomplete Thumbnail */
.suggestion-thumb-wrap {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--border-color);
  flex-shrink: 0;
}

.suggestion-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Comparison Preview Card in Table Header */
.compare-card-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0.5rem;
}

.compare-card-thumb {
  width: 90px;
  height: 90px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--border-color);
  background-color: var(--border-color);
}

.compare-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.compare-card-preview:hover .compare-card-thumb img {
  transform: scale(1.08);
}

/* Quiz Progress Bar & Photo Wrap */
.quiz-progress-track {
  width: 100%;
  height: 8px;
  background-color: var(--border-color);
  border-radius: 9999px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.quiz-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #059669, #10b981);
  border-radius: 9999px;
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.quiz-photo-wrap {
  position: relative;
  width: 100%;
  max-width: 380px;
  height: 200px;
  margin: 0 auto 1.5rem;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  animation: scaleIn 0.4s ease;
}

.quiz-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.quiz-species-badge {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  color: #fff;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

/* Floating Back-to-Top Button */
.back-to-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: var(--accent-color);
  color: #ffffff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 100;
}

.back-to-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  background-color: var(--accent-hover);
  transform: translateY(-4px);
}

/* Keyframe Animations & Micro-interactions */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.94);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(5, 150, 105, 0);
  }
}

@keyframes shakeWrong {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.animate-ready {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-in {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

.quiz-option-btn.wrong {
  animation: shakeWrong 0.4s ease;
}

/* Species of the Day Card */
.today-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2.5rem;
  transition: all var(--transition-speed);
}

.today-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-color);
}

.today-img-container {
  height: 280px;
  overflow: hidden;
  background-color: var(--border-color);
}

.today-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.today-card:hover .today-img {
  transform: scale(1.04);
}

.today-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.badge-today {
  display: inline-block;
  background-color: var(--accent-light);
  color: var(--accent-color);
  border: 1px solid var(--accent-border);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  align-self: flex-start;
}

.today-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-color);
  margin-bottom: 0.25rem;
}

.today-sci {
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.today-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Animal Cards Grid */
.animals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.animal-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-speed);
}

.animal-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-md);
}

.card-img-wrapper {
  position: relative;
  height: 190px;
  overflow: hidden;
  background-color: var(--border-color);
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.animal-card:hover .card-img {
  transform: scale(1.05);
}

.card-content {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.card-title-row h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-color);
}

.card-scientific {
  font-style: italic;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.65rem;
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
  margin-top: auto;
}

/* Status Badges */
.badge-status {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.status-lc {
  background-color: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.status-nt {
  background-color: #f0fdfa;
  color: #0f766e;
  border: 1px solid #99f6e4;
}

.status-vu {
  background-color: #fffbeb;
  color: #b45309;
  border: 1px solid #fde68a;
}

.status-en {
  background-color: #fff7ed;
  color: #c2410c;
  border: 1px solid #fed7aa;
}

.status-cr {
  background-color: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background-color: var(--accent-color);
  color: #ffffff !important;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background-color: var(--card-bg);
  color: var(--text-color);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-speed);
}

.btn-secondary:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  background-color: var(--accent-light);
}

/* Sidebar Widgets */
.discoveries-feed {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.discovery-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  transition: all var(--transition-speed);
}

.discovery-item:hover {
  border-color: var(--accent-color);
  background-color: var(--card-hover);
  transform: translateX(4px);
}

.discovery-img {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.discovery-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.discovery-info {
  display: flex;
  flex-direction: column;
}

.discovery-headline {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-color);
}

.discovery-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Habitats Grid */
.habitats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.habitat-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all var(--transition-speed);
}

.habitat-card:hover {
  border-color: var(--accent-color);
  background-color: var(--accent-light);
  transform: translateY(-2px);
}

.habitat-icon {
  width: 36px;
  height: 36px;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.habitat-card h3 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-color);
}

/* Animal Detail Layout */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2.5rem;
  margin: 1.5rem 0 3rem;
}

.detail-main {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
}

.detail-hero-media {
  position: relative;
  width: 100%;
  height: 420px;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 2rem;
  background-color: var(--border-color);
}

.detail-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-hero-media .media-credit {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  background: rgba(0, 0, 0, 0.65);
  color: #ffffff;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  backdrop-filter: blur(4px);
}

.detail-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.detail-header h1 {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--text-color);
  line-height: 1.2;
}

.detail-sci-name {
  font-style: italic;
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Status Banner */
.detail-status-banner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: 12px;
  margin-top: 1.25rem;
}

/* AEO Fast Facts Summary Box */
.aeo-takeaways-box {
  background-color: var(--accent-light);
  border: 1px solid var(--accent-border);
  border-radius: 14px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.aeo-takeaways-box h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.aeo-takeaways-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem 1.5rem;
}

.aeo-takeaways-list li {
  font-size: 0.92rem;
  color: var(--text-color);
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  line-height: 1.45;
}

.aeo-takeaways-list li strong {
  color: var(--text-color);
}

/* Quick Facts Stats Grid */
.stats-dashboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.1rem;
}

.stat-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.stat-header svg {
  width: 16px;
  height: 16px;
  color: var(--accent-color);
}

.stat-value {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-color);
}

/* Audio Player Widget */
.audio-voice-box {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.audio-voice-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.audio-voice-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--accent-color);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-speed);
  border: none;
}

.audio-voice-icon:hover {
  background-color: var(--primary-hover);
  transform: scale(1.08);
}

/* Taxonomy Hierarchy Table */
.taxonomy-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 2rem;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
}

.taxonomy-table th, .taxonomy-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.92rem;
}

.taxonomy-table th {
  background-color: var(--bg-color);
  color: var(--text-muted);
  font-weight: 700;
  width: 35%;
}

.taxonomy-table td {
  color: var(--text-color);
  font-weight: 600;
}

/* Detail Section Content */
.detail-section {
  margin-bottom: 2.25rem;
}

.detail-section h2 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-color);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.detail-section p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-color);
  margin-bottom: 1rem;
}

.facts-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.facts-list li {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.85rem 1.15rem;
  font-size: 0.95rem;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.facts-list li::before {
  content: "💡";
  font-size: 1rem;
}

/* FAQ Accordion (AEO Focus) */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.faq-item {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--transition-speed);
}

.faq-question {
  padding: 1rem 1.25rem;
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-color);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-question:hover {
  background-color: var(--card-hover);
}

.faq-chevron {
  transition: transform var(--transition-speed);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Filter Controls (Explore Page) */
.filter-bar {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-xs);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.filter-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.filter-select {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
  color: var(--text-color);
  font-size: 0.9rem;
  outline: none;
}

.filter-select:focus {
  border-color: var(--accent-color);
}

/* Comparison Matrix Page */
.compare-container {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.5rem;
  margin-bottom: 3rem;
  box-shadow: var(--shadow-sm);
}

.compare-selectors {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 2.5rem;
}

.compare-vs {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent-color);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  display: none;
}

.compare-table.active {
  display: table;
}

.compare-table th, .compare-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.compare-table th {
  background-color: var(--bg-color);
  font-weight: 800;
  font-size: 1.05rem;
}

.compare-table td.feature-name {
  font-weight: 700;
  color: var(--text-muted);
  width: 25%;
  background-color: var(--bg-color);
}

/* Quiz Interface */
.quiz-box {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.5rem;
  max-width: 720px;
  margin: 2rem auto 3rem;
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.quiz-option-btn {
  width: 100%;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
  color: var(--text-color);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-speed);
}

.quiz-option-btn:hover {
  background-color: var(--accent-light);
  border-color: var(--accent-color);
}

.quiz-option-btn.correct {
  background-color: #ecfdf5;
  border-color: #10b981;
  color: #047857;
}

.quiz-option-btn.wrong {
  background-color: #fef2f2;
  border-color: #ef4444;
  color: #b91c1c;
}

/* Footer */
footer {
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: 3.5rem 0 2.5rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-color);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col ul a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.footer-col ul a:hover {
  color: var(--accent-color);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Mobile Responsive */
@media (max-width: 960px) {
  .home-layout, .detail-layout {
    grid-template-columns: 1fr;
  }
  
  .today-card {
    grid-template-columns: 1fr;
  }
  
  .today-img-container {
    height: 220px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .stats-dashboard {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .aeo-takeaways-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  nav#main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 1.25rem;
    box-shadow: var(--shadow-lg);
    z-index: 190;
  }
  
  nav#main-nav.active {
    display: flex;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .header-search {
    display: none;
  }
  
  .hero h1 {
    font-size: 1.9rem;
  }
  
  .compare-selectors {
    grid-template-columns: 1fr;
  }
  
  .compare-vs {
    margin: 0 auto;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}