@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Orbitron:wght@700;900&display=swap');

:root {
  --bg-deep: #050505;
  --bg-surface: #0f0f13;
  --bg-card: rgba(20, 20, 25, 0.65);
  --accent-blue: #2563eb;
  --accent-cyan: #00e5ff;
  --accent-violet: #9d4edd;
  --accent-green: #10b981;
  --accent-orange: #f59e0b;
  --accent-red: #ef4444;
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --border-glass: rgba(255, 255, 255, 0.08);
  --glow-blue: 0 0 30px rgba(37, 99, 235, 0.5);
  --glow-violet: 0 0 30px rgba(157, 78, 221, 0.5);
  --glow-cyan: 0 0 30px rgba(0, 229, 255, 0.4);
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ==================== ANIMATED BACKGROUND ==================== */
.bg-anim {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background-color: var(--bg-deep);
  background-image: 
    radial-gradient(at 0% 0%, rgba(37, 99, 235, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(157, 78, 221, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(0, 229, 255, 0.1) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(37, 99, 235, 0.1) 0px, transparent 50%);
  background-size: 200% 200%;
  animation: gradientBG 20s ease infinite;
}
@keyframes gradientBG {
  0% { background-position: 0% 0%; }
  25% { background-position: 100% 0%; }
  50% { background-position: 100% 100%; }
  75% { background-position: 0% 100%; }
  100% { background-position: 0% 0%; }
}
.bg-anim::before, .bg-anim::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.8;
}
.bg-anim::before {
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(0,229,255,0.15) 0%, transparent 65%);
  top: -250px; left: -250px;
  animation: drift1 22s ease-in-out infinite alternate;
}
.bg-anim::after {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(157,78,221,0.15) 0%, transparent 65%);
  bottom: -200px; right: -200px;
  animation: drift2 20s ease-in-out infinite alternate;
}
@keyframes drift1 {
  0% { transform: translate(0, 0) scale(1) rotate(0deg); }
  50% { transform: translate(120px, 90px) scale(1.1) rotate(45deg); }
  100% { transform: translate(200px, 150px) scale(1) rotate(90deg); }
}
@keyframes drift2 {
  0% { transform: translate(0, 0) scale(1) rotate(0deg); }
  50% { transform: translate(-90px, -70px) scale(1.15) rotate(-45deg); }
  100% { transform: translate(-150px, -120px) scale(1) rotate(-90deg); }
}
.orb-mid {
  position: fixed;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(37,99,235,0.18) 0%, rgba(157,78,221,0.1) 40%, transparent 70%);
  border-radius: 50%;
  filter: blur(90px);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: drift1 35s ease-in-out infinite alternate, pulseOrb 12s ease-in-out infinite alternate;
}
@keyframes pulseOrb {
  0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.6; }
  100% { transform: translate(-50%, -50%) scale(1.3); opacity: 1; }
}

/* ==================== LAYOUT ==================== */
.site-wrapper { position: relative; z-index: 1; }

/* ==================== NAVBAR ==================== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 10, 12, 0.8);
  border-bottom: 1px solid var(--border-glass);
  padding: 0 40px;
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.nav-logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.25rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: 1px;
}
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
  transform: scaleX(0);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { transform: scaleX(1); }

/* ==================== HERO ==================== */
.hero {
  padding: 140px 40px 100px;
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}
.hero-badge {
  display: inline-block;
  padding: 7px 24px;
  border: 1px solid rgba(6,182,212,0.45);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2.5px;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 32px;
  backdrop-filter: blur(12px);
  background: rgba(6,182,212,0.06);
  animation: badgePulse 3s ease-in-out infinite, floatBadge 4s ease-in-out infinite;
}
@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(6,182,212,0); border-color: rgba(6,182,212,0.45); }
  50% { box-shadow: 0 0 18px 2px rgba(6,182,212,0.15); border-color: rgba(6,182,212,0.7); }
}
@keyframes floatBadge {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}
.hero h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 28px;
  background: linear-gradient(135deg, #fff 15%, var(--accent-cyan) 45%, var(--accent-violet) 75%, #fff 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: heroGradient 8s ease infinite;
}
@keyframes heroGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.hero p {
  font-size: 1.18rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 52px;
  font-weight: 400;
  line-height: 1.75;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 17px 44px;
  border-radius: 100px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-violet) 100%);
  color: white;
  box-shadow: 0 4px 32px rgba(59,130,246,0.45), 0 0 60px rgba(139,92,246,0.15);
  transition: var(--transition);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.hero-cta::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 100px;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition);
}
.hero-cta:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 8px 48px rgba(59,130,246,0.65), 0 0 90px rgba(139,92,246,0.25);
}
.hero-cta:hover::after { opacity: 1; }

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 72px;
}
.hero-stat {
  text-align: center;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  transition: var(--transition);
}
.hero-stat:hover {
  border-color: var(--border-glass);
  background: rgba(255,255,255,0.02);
  transform: translateY(-2px);
}
.hero-stat-num {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.4rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 6px;
}

/* ==================== SECTIONS ==================== */
.section {
  padding: 80px 40px;
  max-width: 1280px;
  margin: 0 auto;
}
.section-title {
  font-size: 1.9rem;
  font-weight: 800;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text-primary) 60%, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-sub {
  color: var(--text-secondary);
  margin-bottom: 48px;
  font-size: 1rem;
}
.section-header { margin-bottom: 48px; }

/* ==================== SEARCH BAR ==================== */
.search-wrap {
  position: relative;
  max-width: 560px;
  margin-bottom: 48px;
}
.search-wrap input {
  width: 100%;
  padding: 16px 20px 16px 52px;
  border-radius: 14px;
  border: 1px solid var(--border-glass);
  background: rgba(15,30,60,0.6);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: var(--transition);
}
.search-wrap input:focus {
  border-color: var(--accent-blue);
  box-shadow: var(--glow-blue);
}
.search-wrap input::placeholder { color: var(--text-muted); }
.search-icon {
  position: absolute;
  left: 18px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
}

/* ==================== FILTER CHIPS ==================== */
.filter-chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.chip {
  padding: 7px 20px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-glass);
  background: transparent;
  color: var(--text-secondary);
  transition: var(--transition);
  letter-spacing: 0.5px;
}
.chip:hover, .chip.active {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  border-color: transparent;
  color: white;
  box-shadow: 0 0 20px rgba(59,130,246,0.4);
}

/* ==================== REACTION GRID ==================== */
.reaction-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

/* Result count + sort bar */
.reaction-counter-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}
.result-count {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 6px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-glass);
  border-radius: 100px;
  margin-bottom: 0;
  letter-spacing: 0.5px;
}
.result-count strong { color: var(--accent-cyan); }


.reaction-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 28px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: block;
  color: inherit;
}
.reaction-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(59,130,246,0.06), rgba(139,92,246,0.06), rgba(6,182,212,0.04));
  opacity: 0;
  transition: var(--transition);
}
.reaction-card::after {
  content: '';
  position: absolute;
  top: 0; left: -75%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.03), transparent);
  transition: 0.6s;
}
.reaction-card:hover::after { left: 125%; }
.reaction-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: rgba(99,153,255,0.6);
  box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 50px rgba(59,130,246,0.4), 0 0 90px rgba(139,92,246,0.2);
}
.reaction-card:hover::before { opacity: 1; }

/* Card discovered pill */
.card-discovered {
  font-size: 0.7rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border-radius: 6px;
  padding: 2px 8px;
  display: inline-block;
  margin-bottom: 10px;
  letter-spacing: 0.3px;
}

.card-category {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 12px;
}
.cat-organic { background: rgba(16,185,129,0.15); color: var(--accent-green); border: 1px solid rgba(16,185,129,0.3); }
.cat-addition { background: rgba(59,130,246,0.15); color: var(--accent-blue); border: 1px solid rgba(59,130,246,0.3); }
.cat-substitution { background: rgba(139,92,246,0.15); color: var(--accent-violet); border: 1px solid rgba(139,92,246,0.3); }
.cat-elimination { background: rgba(245,158,11,0.15); color: var(--accent-orange); border: 1px solid rgba(245,158,11,0.3); }
.cat-condensation { background: rgba(6,182,212,0.15); color: var(--accent-cyan); border: 1px solid rgba(6,182,212,0.3); }
.cat-rearrangement { background: rgba(239,68,68,0.15); color: var(--accent-red); border: 1px solid rgba(239,68,68,0.3); }
.cat-industrial { background: rgba(249,115,22,0.15); color: #f97316; border: 1px solid rgba(249,115,22,0.3); }
.reaction-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.reaction-card p {
  font-size: 0.87rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}
.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.card-tag {
  font-size: 0.73rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  border-radius: 6px;
  padding: 3px 8px;
}
.card-arrow {
  color: var(--accent-blue);
  font-size: 1.2rem;
  transition: var(--transition);
}
.reaction-card:hover .card-arrow { transform: translateX(4px); }
.card-step-count {
  font-size: 0.7rem;
  color: var(--text-muted);
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: 100px;
  padding: 2px 8px;
  letter-spacing: 0.3px;
  white-space: nowrap;
}


/* ==================== REACTION DETAIL PAGE ==================== */
.detail-page { display: none; }
.detail-page.active { display: block; }
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 10px;
  border: 1px solid var(--border-glass);
  background: rgba(15,30,60,0.5);
  color: var(--text-secondary);
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 0;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
}
.back-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-cyan);
  background: rgba(6,182,212,0.06);
  box-shadow: 0 0 16px rgba(6,182,212,0.12);
  transform: translateX(-3px);
}

.detail-header {
  margin-bottom: 48px;
}
.detail-header h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #fff, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.detail-header p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 700px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
  align-items: start;
}

@media (max-width: 1024px) {
  .detail-grid { grid-template-columns: 1fr; }
}

/* ==================== GLASS PANEL ==================== */
.glass-panel {
  background: linear-gradient(145deg, rgba(20,20,25,0.7), rgba(15,15,20,0.5));
  backdrop-filter: blur(18px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 32px;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}
.glass-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), rgba(0,229,255,0.2), transparent);
}
.panel-title {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
.panel-title-icon { font-size: 1.15rem; }

/* ==================== MECHANISM STEPS ==================== */
.mechanism-steps { list-style: none; }
.mech-step {
  display: flex;
  gap: 20px;
  margin-bottom: 0;
  padding: 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  position: relative;
  cursor: pointer;
  transition: var(--transition);
  border-radius: 12px;
  margin-left: -16px;
  margin-right: -16px;
}
.mech-step:hover {
  background: rgba(59,130,246,0.04);
}
.mech-step:last-child { border-bottom: none; }
.mech-step:hover .step-content { color: var(--text-primary); }
.step-num {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(59,130,246,0.35);
  transition: var(--transition);
}
.step-num.active-step {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
  box-shadow: 0 4px 20px rgba(6,182,212,0.5), 0 0 30px rgba(6,182,212,0.2);
  transform: scale(1.1);
}
.step-body { flex: 1; }
.step-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 6px;
}
.step-content {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.step-formula {
  margin-top: 10px;
  padding: 12px 18px;
  border-radius: 10px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.2);
  font-family: 'Fira Mono', 'Courier New', monospace;
  font-size: 0.88rem;
  color: var(--accent-cyan);
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}
.step-formula::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(6,182,212,0.3), transparent);
}

/* ==================== CONDITIONS PANEL ==================== */
.condition-controls { display: flex; flex-direction: column; gap: 24px; }
.condition-row { margin-bottom: 4px; }
.cond-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.cond-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.cond-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-cyan);
}
.cond-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 100px;
  background: rgba(255,255,255,0.06);
  outline: none;
  position: relative;
  cursor: pointer;
}
.cond-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  cursor: pointer;
  box-shadow: 0 0 14px rgba(6,182,212,0.6);
  transition: var(--transition);
}
.cond-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 24px rgba(6,182,212,0.9);
}
.cond-effect {
  margin-top: 10px;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.82rem;
  line-height: 1.6;
  border: 1px solid;
  transition: var(--transition);
}
.effect-positive { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.3); color: var(--accent-green); }
.effect-negative { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.3); color: var(--accent-red); }
.effect-neutral { background: rgba(245,158,11,0.1); border-color: rgba(245,158,11,0.3); color: var(--accent-orange); }

/* ==================== 3D VIEWER ==================== */
#viewer-canvas-wrap {
  width: 100%;
  aspect-ratio: 1;
  max-height: 380px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: radial-gradient(ellipse at center, rgba(10,25,60,0.8) 0%, rgba(5,10,24,1) 100%);
  border: 1px solid var(--border-glass);
  position: relative;
  margin-bottom: 16px;
}
#viewer-canvas-wrap canvas {
  width: 100% !important;
  height: 100% !important;
}
.viewer-controls {
  display: flex;
  gap: 10px;
  justify-content: center;
}
.viewer-btn {
  padding: 8px 20px;
  border-radius: 10px;
  border: 1px solid var(--border-glass);
  background: rgba(15,30,60,0.6);
  color: var(--text-secondary);
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}
.viewer-btn:hover, .viewer-btn.active-btn {
  border-color: var(--accent-blue);
  color: var(--text-primary);
  background: rgba(59,130,246,0.15);
}
.viewer-label {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 8px;
  letter-spacing: 0.5px;
}
.viewer-hint {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ==================== REACTION PROGRESS SLIDER ==================== */
.reaction-progress-container {
  margin: 18px 0;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
}
.progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.progress-labels .ts-label {
  color: var(--accent-cyan);
  text-shadow: 0 0 8px rgba(0, 229, 255, 0.3);
}
#reaction-progress-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.08);
  outline: none;
  cursor: pointer;
  transition: var(--transition);
}
#reaction-progress-slider:hover {
  background: rgba(255, 255, 255, 0.12);
}
#reaction-progress-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  cursor: pointer;
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
  transition: var(--transition);
}
#reaction-progress-slider::-webkit-slider-thumb:hover {
  transform: scale(1.25);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.8), 0 0 24px rgba(37, 99, 235, 0.4);
}

/* ==================== REACTION EQUATION ==================== */
.reaction-equation {
  padding: 28px 32px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(59,130,246,0.06), rgba(139,92,246,0.06), rgba(6,182,212,0.04));
  border: 1px solid rgba(99,153,255,0.2);
  text-align: center;
  margin-bottom: 28px;
  font-family: 'Fira Mono', 'Courier New', monospace;
  font-size: 1.02rem;
  color: var(--accent-cyan);
  letter-spacing: 0.8px;
  line-height: 1.9;
  word-break: break-all;
  position: relative;
  overflow: hidden;
}
.reaction-equation::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(6,182,212,0.35), rgba(139,92,246,0.2), transparent);
}
.eq-arrow {
  color: var(--accent-violet);
  font-weight: 700;
  margin: 0 14px;
  font-size: 1.15em;
}
.eq-condition {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 8px;
  font-family: 'Inter', sans-serif;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ==================== INFO GRID ==================== */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}
.info-box {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 20px;
}
.info-box-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.info-box-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ==================== APPLICATIONS LIST ==================== */
.applications-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.app-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.15);
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  transition: var(--transition);
}
.app-item:hover {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--text-primary);
  transform: translateX(4px);
}
.app-icon {
  flex-shrink: 0;
  font-size: 0.85rem;
  margin-top: 2px;
}

/* ==================== COMPARE GRID ==================== */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
@media (max-width: 900px) {
  .compare-grid { grid-template-columns: 1fr; }
}
.compare-col .glass-panel {
  transition: var(--transition);
}
.compare-col .glass-panel:hover {
  border-color: rgba(99,153,255,0.35);
}

/* Compare 3D containers */
.compare-col [id^="compare-canvas-"] {
  min-height: 250px;
  position: relative;
}

/* Compare details table */
.compare-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  gap: 12px;
}
.compare-detail-row:last-child { border-bottom: none; }
.compare-detail-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  flex-shrink: 0;
  min-width: 90px;
}
.compare-detail-value {
  font-size: 0.85rem;
  color: var(--text-primary);
  text-align: right;
  line-height: 1.5;
}

/* Comparison analysis section */
.compare-differences {
  border-color: rgba(139,92,246,0.25);
  background: linear-gradient(145deg, rgba(139,92,246,0.05), rgba(59,130,246,0.05));
}
.compare-insight-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 20px;
  transition: var(--transition);
}
.compare-insight-card:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(99,153,255,0.3);
  transform: translateY(-2px);
}
.compare-insight-icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
  display: block;
}
.compare-insight-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--accent-cyan);
  margin-bottom: 10px;
}
.compare-insight-body {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.compare-insight-body strong {
  color: var(--text-primary);
}
.compare-badge {
  display: inline-block;
  padding: 4px 10px;
  margin: 2px;
  background: rgba(6,182,212,0.12);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: 6px;
  font-size: 0.78rem;
  color: var(--accent-cyan);
  font-weight: 500;
}
.compare-verdict {
  background: linear-gradient(135deg, rgba(16,185,129,0.08), rgba(6,182,212,0.08));
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: 14px;
  padding: 20px;
  margin-top: 8px;
}
.compare-verdict-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--accent-green);
  margin-bottom: 8px;
}
.compare-verdict-body {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==================== FOOTER ==================== */
footer {
  margin-top: 100px;
  padding: 72px 40px 48px;
  border-top: none;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  background: linear-gradient(180deg, transparent 0%, rgba(6,182,212,0.03) 40%, rgba(139,92,246,0.02) 100%);
  position: relative;
}
footer::before {
  content: '';
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(6,182,212,0.3), rgba(139,92,246,0.2), transparent);
}
.footer-logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}
.footer-tagline {
  color: var(--text-muted);
  font-size: 0.84rem;
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 36px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.84rem;
  transition: var(--transition);
  position: relative;
}
.footer-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--accent-cyan);
  transform: scaleX(0);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent-cyan); }
.footer-links a:hover::after { transform: scaleX(1); }
.footer-divider {
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(6,182,212,0.3), transparent);
  margin: 24px auto;
}
.footer-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.footer-stat-num {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-cyan);
}
.footer-stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-top: 3px;
}
.footer-copy {
  color: var(--text-muted);
  font-size: 0.78rem;
  opacity: 0.5;
  letter-spacing: 0.3px;
}
footer strong {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==================== LOADING ANIMATION ==================== */
.loading-dots {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.loading-dots::after {
  content: '';
  animation: dots 1.4s infinite;
}
@keyframes dots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60%, 80% { content: '...'; }
  100% { content: ''; }
}

/* ==================== SCROLL ANIMATIONS ==================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-up-anim {
  opacity: 0;
  transform: translateY(40px);
  animation: slideUpFade 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes slideUpFade {
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: rgba(5,10,24,0.9); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, var(--accent-cyan), var(--accent-violet)); }

/* ==================== TOOLTIP ==================== */
.tooltip-wrap { position: relative; }
.tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10,20,50,0.95);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 0.8rem;
  color: var(--text-primary);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 10;
  max-width: 260px;
  white-space: normal;
  text-align: center;
}
.tooltip-wrap:hover .tooltip { opacity: 1; }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .hero { padding: 110px 20px 60px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; justify-content: center; }
  .section { padding: 60px 20px; }
  .reaction-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
}

/* ==================== HOME / DETAIL PAGE SWITCHING ==================== */
#home-page, #detail-page, #compare-page {
  transition: opacity 0.3s ease;
}
#detail-page.hidden, #home-page.hidden, #compare-page.hidden {
  display: none;
}
/* ==================== HIGHLIGHT PULSE ==================== */
@keyframes pulseBorder {
  0%, 100% { box-shadow: 0 0 0 0 rgba(6,182,212,0); }
  50% { box-shadow: 0 0 0 6px rgba(6,182,212,0.2); }
}
.pulse { animation: pulseBorder 2s ease infinite; }

/* ==================== SHIMMER SKELETON ==================== */
@keyframes shimmer {
  0% { background-position: -800px 0; }
  100% { background-position: 800px 0; }
}
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.04) 75%);
  background-size: 800px 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

/* ==================== PROGRESS BAR ==================== */
.step-progress-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
}
.step-progress-dot {
  flex: 1;
  height: 4px;
  border-radius: 100px;
  background: rgba(255,255,255,0.08);
  transition: var(--transition);
}
.step-progress-dot.done {
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
}
.step-progress-dot.active {
  background: linear-gradient(90deg, var(--accent-violet), var(--accent-cyan));
  box-shadow: 0 0 10px rgba(6,182,212,0.5);
}

/* ==================== REACTION COUNT TICKER ==================== */
.reaction-counter-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

/* ==================== TAGS - improved ==================== */
.card-tag {
  font-size: 0.73rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 6px;
  padding: 3px 8px;
  transition: var(--transition);
}
.reaction-card:hover .card-tag {
  background: rgba(59,130,246,0.08);
  border-color: rgba(59,130,246,0.2);
  color: var(--accent-blue);
}

/* ==================== BACK BTN IMPROVED ==================== */
.back-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-cyan);
  background: rgba(6,182,212,0.08);
  box-shadow: 0 0 16px rgba(6,182,212,0.15);
}

/* ==================== KEYBOARD NAV ==================== */
.reaction-card:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}
.chip:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

/* ==================== HAMBURGER MENU ==================== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 110;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: rgba(5, 10, 24, 0.98);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-glass);
    flex-direction: column;
    gap: 0;
    padding: 16px 0;
    transform: translateY(-120%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 99;
  }
  .nav-links.mobile-open {
    transform: translateY(0);
    display: flex;
  }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 14px 32px;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }
  .nav-links a::after { display: none; }
}

/* ==================== ANNOUNCEMENT BANNER ==================== */
.announcement-banner {
  background: linear-gradient(90deg, rgba(59,130,246,0.12), rgba(139,92,246,0.12));
  border-bottom: 1px solid rgba(99,153,255,0.2);
  padding: 12px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  position: relative;
  margin-top: 70px;
}
.announcement-banner strong { color: var(--accent-cyan); }
.banner-icon { font-size: 1.1rem; }
.banner-close {
  position: absolute;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px 8px;
  border-radius: 6px;
  transition: var(--transition);
}
.banner-close:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }

/* ==================== SCROLL TO TOP ==================== */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  border: none;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(59,130,246,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  z-index: 200;
}
.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.scroll-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(59,130,246,0.7);
}

/* ==================== TOAST NOTIFICATIONS ==================== */
.toast-container {
  position: fixed;
  bottom: 90px;
  right: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 300;
  pointer-events: none;
}
.toast {
  background: rgba(10, 20, 50, 0.96);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 12px 20px;
  font-size: 0.85rem;
  color: var(--text-primary);
  backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastIn 0.35s cubic-bezier(0.34,1.56,0.64,1) forwards;
  pointer-events: all;
  max-width: 300px;
}
.toast.toast-out { animation: toastOut 0.3s ease forwards; }
.toast-icon { font-size: 1.1rem; }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(60px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateX(60px); }
}

/* ==================== ABOUT GRID ==================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
}
.about-features-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.about-feature-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  transition: var(--transition);
}
.about-feature-card:hover {
  border-color: rgba(99,153,255,0.35);
  transform: translateX(4px);
  background: rgba(20,40,80,0.7);
}
.about-feature-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  line-height: 1;
}
.about-feature-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}
.about-feature-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==================== QUOTE CAROUSEL ==================== */
.quote-section { padding-top: 0 !important; }
.quote-carousel {
  background: linear-gradient(135deg, rgba(59,130,246,0.05), rgba(139,92,246,0.05));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.quote-text {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.quote-text::before {
  content: '"';
  font-size: 6rem;
  color: rgba(6,182,212,0.08);
  position: absolute;
  top: -40px;
  left: -20px;
  font-family: Georgia, serif;
  line-height: 1;
}
.quote-author {
  font-size: 0.88rem;
  color: var(--accent-cyan);
  font-weight: 600;
  letter-spacing: 1px;
}
.quote-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}
.quote-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  padding: 0;
}
.quote-dot.active {
  background: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(6,182,212,0.5);
}

/* ==================== BREADCRUMB ==================== */
.detail-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
}
.breadcrumb-item { color: var(--text-muted); transition: var(--transition); }
.breadcrumb-item:hover { color: var(--accent-cyan); }
.breadcrumb-active { color: var(--text-secondary); font-weight: 600; }
.breadcrumb-sep { color: var(--text-muted); opacity: 0.5; }

/* ==================== DETAIL META ROW ==================== */
.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.detail-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
}
.detail-meta-badge.badge-year {
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.2);
  color: var(--accent-orange);
}
.detail-meta-badge.badge-type {
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  color: var(--accent-blue);
}
.detail-meta-badge.badge-steps {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.2);
  color: var(--accent-green);
}

/* ==================== FUN FACT PANEL ==================== */
.fun-fact-panel {
  border-color: rgba(245,158,11,0.2);
  background: linear-gradient(135deg, rgba(245,158,11,0.05), rgba(59,130,246,0.05));
}
.fun-fact-content {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
}
.fun-fact-content strong { color: var(--accent-orange); }

/* ==================== SORT CONTROLS ==================== */
.sort-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}
.sort-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}
.sort-select {
  background: rgba(15,30,60,0.6);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-family: 'Inter', sans-serif;
  padding: 5px 30px 5px 12px;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: var(--transition);
}
.sort-select:focus { border-color: var(--accent-blue); color: var(--text-primary); }
.sort-select option { background: #0a1428; }

/* ==================== SEARCH CLEAR BUTTON ==================== */
.search-clear {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.search-clear:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }