/* ===== CSS Variables ===== */
:root {
  --bg: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-hover: #1a1a25;
  --surface: #16161f;
  --surface-hover: #1e1e2a;
  --primary: #00ff88;
  --primary-dim: #00cc6a;
  --secondary: #ff6b35;
  --accent: #a855f7;
  --text: #ffffff;
  --text-secondary: #8888aa;
  --text-muted: #555566;
  --border: #2a2a3a;
  --border-hover: #3a3a4a;
  --success: #00ff88;
  --warning: #ffaa00;
  --error: #ff4757;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(0, 255, 136, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: all 0.2s ease;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Light theme */
[data-theme="light"] {
  --bg: #f5f5f7;
  --bg-secondary: #ffffff;
  --surface: #ffffff;
  --surface-hover: #f0f0f2;
  --text: #1a1a1a;
  --text-secondary: #666666;
  --text-muted: #999999;
  --border: #e0e0e0;
  --border-hover: #d0d0d0;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 30px rgba(0, 255, 136, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input {
  font-family: inherit;
}

img {
  max-width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-dark {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.section-title svg {
  color: var(--secondary);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

[data-theme="light"] .header {
  background: rgba(255, 255, 255, 0.9);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
}

.logo-icon {
  font-size: 1.8rem;
}

.logo-text {
  background: linear-gradient(90deg, #ff69b4 0%, #4169e1 25%, #ff69b4 50%, #4169e1 75%, #ff69b4 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logo-gradient 4s ease infinite;
}

@keyframes logo-gradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.logo-org {
  color: var(--primary);
}

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

.nav-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition);
}

.nav-btn:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.nav-btn kbd {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 2px 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
}

.favorite-btn {
  position: relative;
}

#fav-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--primary);
  color: var(--bg);
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}

.theme-toggle:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.sun-icon { display: none; }
[data-theme="light"] .sun-icon { display: block; }
[data-theme="light"] .moon-icon { display: none; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(0, 255, 136, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(168, 85, 247, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(255, 107, 53, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--primary);
  margin-bottom: 24px;
}

.pulse {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
}

.highlight {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-search {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  max-width: 500px;
  margin: 0 auto 32px;
}

.hero-search:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.hero-search svg {
  color: var(--text-muted);
}

.hero-search span {
  flex: 1;
  text-align: left;
  color: var(--text-muted);
}

.hero-search kbd {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 4px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.hero-tag {
  padding: 6px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ===== Categories Grid ===== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

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

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

@media (max-width: 480px) {
  .categories-grid {
    grid-template-columns: 1fr;
  }
}

.category-card {
  position: relative;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.category-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.category-card:hover::before {
  opacity: 0.05;
}

.category-card-content {
  position: relative;
  z-index: 1;
}

.category-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  display: block;
}

.category-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.category-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.category-count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary);
}

/* ===== Tools Grid ===== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .tools-grid {
    grid-template-columns: 1fr;
  }
}

.tool-card {
  position: relative;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

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

.tool-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.tool-logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  overflow: hidden;
}

.tool-logo img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.tool-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.tool-card:hover .tool-actions {
  opacity: 1;
}

.tool-action-btn {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}

.tool-action-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.tool-action-btn.favorited {
  color: var(--secondary);
}

.tool-action-btn.favorited svg {
  fill: var(--secondary);
}

.tool-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.tool-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.tool-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.badge {
  padding: 4px 10px;
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-mono);
}

.badge-free {
  background: rgba(0, 255, 136, 0.15);
  color: var(--primary);
}

.badge-freemium {
  background: rgba(255, 107, 53, 0.15);
  color: var(--secondary);
}

.badge-opensource {
  border: 1px solid var(--accent);
  color: var(--accent);
}

.badge-nosignup {
  border: 1px solid #3b82f6;
  color: #3b82f6;
}

.badge-new {
  background: var(--accent);
  color: white;
  animation: badge-pulse 2s infinite;
}

@keyframes badge-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.tool-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tool-tag {
  padding: 4px 8px;
  background: var(--bg);
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.tool-link {
  display: block;
  margin-top: 16px;
  padding: 10px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text);
  transition: var(--transition);
}

.tool-link:hover {
  background: var(--primary);
  color: var(--bg);
  border-color: var(--primary);
}

/* ===== Category Tabs ===== */
.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
  justify-content: center;
}

.category-tab {
  padding: 10px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.category-tab:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

.category-tab.active {
  background: var(--primary);
  color: var(--bg);
  border-color: var(--primary);
}

/* ===== Search Overlay ===== */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-container {
  width: 100%;
  max-width: 600px;
  margin: 0 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transform: translateY(-20px);
  transition: transform 0.2s ease;
}

.search-overlay.active .search-container {
  transform: translateY(0);
}

.search-header {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

#search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-size: 1.1rem;
  color: var(--text);
}

#search-input::placeholder {
  color: var(--text-muted);
}

.search-close {
  color: var(--text-muted);
  padding: 4px;
  border-radius: 4px;
  transition: var(--transition);
}

.search-close:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.search-results {
  max-height: 400px;
  overflow-y: auto;
  padding: 8px;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.search-result-item:hover {
  background: var(--bg-hover);
}

.search-result-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.search-result-info {
  flex: 1;
  min-width: 0;
}

.search-result-name {
  font-weight: 500;
  margin-bottom: 2px;
}

.search-result-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-result-badge {
  flex-shrink: 0;
}

.search-category {
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.search-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-content {
  display: flex;
  gap: 64px;
  margin-bottom: 48px;
}

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    gap: 32px;
  }
}

.footer-brand {
  flex: 1;
}

.footer-brand .logo-icon {
  font-size: 2rem;
}

.footer-brand p {
  margin-top: 12px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 64px;
}

@media (max-width: 640px) {
  .footer-links {
    flex-wrap: wrap;
    gap: 32px;
  }
}

.footer-col h4 {
  font-family: var(--font-heading);
  margin-bottom: 16px;
  color: var(--text);
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 8px;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-bottom p {
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

.geo-info {
  font-family: var(--font-mono);
  letter-spacing: -0.5px;
}

/* ===== Party Mode ===== */
.party-mode {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  display: none;
}

.party-mode.active {
  display: block;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.5s ease forwards;
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .nav-btn span {
    display: none;
  }
  
  .nav-btn kbd {
    display: none;
  }
}

/* ===== AI Section ===== */
.ai-section {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-secondary) 50%, var(--bg) 100%);
  position: relative;
  overflow: hidden;
}

.ai-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(168, 85, 247, 0.1));
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.pulse-ai {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-ai 2s infinite;
}

@keyframes pulse-ai {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(168, 85, 247, 0.7); }
  50% { opacity: 0.8; transform: scale(1.1); box-shadow: 0 0 0 10px rgba(168, 85, 247, 0); }
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

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

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

@media (max-width: 480px) {
  .ai-grid {
    grid-template-columns: 1fr;
  }
}

.ai-card {
  position: relative;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  overflow: hidden;
}

.ai-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.ai-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.2);
}

.ai-card:hover::before {
  opacity: 0.05;
}

.ai-card-content {
  position: relative;
  z-index: 1;
}

.ai-card-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}

.ai-card-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.ai-card-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.view-all-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  color: var(--bg);
  font-weight: 600;
  border-radius: var(--radius);
  transition: var(--transition);
}

.view-all-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(168, 85, 247, 0.3);
}

/* ===== OAuth Buttons ===== */
.oauth-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
}

.oauth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.oauth-btn:hover {
  border-color: var(--primary);
  background: var(--surface-hover);
}

.oauth-google:hover {
  border-color: #4285F4;
}

.oauth-github:hover {
  border-color: #6e5494;
}

.oauth-facebook:hover {
  border-color: #1877F2;
}

/* ===== Form Styles ===== */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.submit-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dim));
  color: var(--bg);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 255, 136, 0.3);
}

.submit-login {
  text-align: center;
  padding: 20px;
}

.submit-login p {
  margin-bottom: 20px;
  color: var(--text-secondary);
}

/* ===== User Menu ===== */
.user-menu {
  position: relative;
}

.user-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--primary);
  cursor: pointer;
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 250px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  z-index: 100;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-dropdown button {
  width: 100%;
  padding: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.user-dropdown button:hover {
  border-color: var(--error);
  color: var(--error);
}

/* ===== Community Section ===== */
.community-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  justify-content: center;
}

.sort-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.sort-controls span {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.sort-btn {
  padding: 8px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.sort-btn:hover,
.sort-btn.active {
  border-color: var(--primary);
  color: var(--primary);
}

.submissions-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.submission-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.submission-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
}

.vote-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.vote-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
  background: var(--bg);
  border: 1px solid var(--border);
}

.vote-btn:hover {
  background: var(--surface-hover);
}

.vote-btn.upvote:hover,
.vote-btn.upvote.active {
  color: var(--success);
  border-color: var(--success);
  background: rgba(0, 255, 136, 0.1);
}

.vote-btn.downvote:hover,
.vote-btn.downvote.active {
  color: var(--error);
  border-color: var(--error);
  background: rgba(255, 71, 87, 0.1);
}

.vote-score {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text);
}

.vote-score.positive {
  color: var(--success);
}

.vote-score.negative {
  color: var(--error);
}

.submission-content {
  flex: 1;
  min-width: 0;
}

.submission-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.submission-icon {
  font-size: 1.2rem;
}

.submission-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text);
}

.submission-name:hover {
  color: var(--primary);
}

.submission-category {
  padding: 2px 8px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.submission-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.submission-meta {
  display: flex;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.submission-link {
  padding: 8px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  white-space: nowrap;
  transition: var(--transition);
}

.submission-link:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.empty-state p {
  margin-bottom: 20px;
}

/* ===== Stats Section ===== */
.stats-section {
  background: var(--bg-secondary);
  padding: 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

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

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

.stat-card {
  text-align: center;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.stat-wit {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-style: italic;
}

/* ===== Nav responsive ===== */
@media (max-width: 768px) {
  .nav {
    gap: 4px;
  }
  
  .nav-btn {
    padding: 8px 12px;
  }
  
  .nav-label {
    display: none !important;
  }
}

/* ===== Edit History Modal ===== */
.history-tool-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.history-icon {
  font-size: 2rem;
  width: 48px;
  height: 48px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.history-tool-info h3 {
  font-family: var(--font-heading);
  margin-bottom: 4px;
}

.history-tool-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.history-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
}

.history-empty .hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-entry {
  padding: 12px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.history-action {
  font-weight: 600;
  font-size: 0.9rem;
}

.history-date {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.history-user {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.history-changes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.history-change-badge {
  padding: 4px 8px;
  background: var(--surface);
  border-radius: 4px;
  font-size: 0.75rem;
}

.history-change-badge .field-name {
  color: var(--text-muted);
}

.history-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-top: 8px;
}

/* ===== Pending Edits (Admin) ===== */
#pending-edits-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pending-edit {
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.edit-tool-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.edit-icon {
  font-size: 1.5rem;
}

.edit-tool-info strong {
  display: block;
  font-family: var(--font-heading);
}

.edit-user {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.edit-changes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.edit-change-badge {
  padding: 4px 8px;
  background: var(--bg);
  border-radius: 4px;
  font-size: 0.8rem;
}

.edit-reason {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 12px;
}

.edit-actions {
  display: flex;
  gap: 8px;
}

.btn-approve,
.btn-reject {
  flex: 1;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-approve {
  background: rgba(0, 255, 136, 0.1);
  color: var(--success);
}

.btn-approve:hover {
  background: rgba(0, 255, 136, 0.2);
  border-color: var(--success);
}

.btn-reject {
  background: rgba(255, 71, 87, 0.1);
  color: var(--error);
}

.btn-reject:hover {
  background: rgba(255, 71, 87, 0.2);
  border-color: var(--error);
}

.empty-hint {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

/* ===== Edit Form ===== */
#edit-form-fields input,
#edit-form-fields select,
#edit-form-fields textarea {
  font-size: 0.9rem;
}

/* ===== API Notice ===== */
.api-notice {
  text-align: center;
  padding: 60px 20px;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  margin: 20px 0;
}

.api-notice-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.api-notice h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--text);
}

.api-notice p {
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.api-notice-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ===== Contributor Celebration ===== */
.contributor-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-lg);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--bg);
}

.contributor-level {
  font-size: 1.2rem;
}

.contributor-impact {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary);
}

/* ===== Toast Messages ===== */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 16px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 10000;
  animation: toast-in 0.3s ease;
  max-width: 350px;
}

.toast.success {
  border-color: var(--primary);
}

.toast.error {
  border-color: var(--error);
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Fun Elements ===== */
.tada {
  animation: tada 0.5s ease;
}

@keyframes tada {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.1) rotate(-3deg); }
  50% { transform: scale(1.15) rotate(3deg); }
  75% { transform: scale(1.05) rotate(-1deg); }
}

.bounce-in {
  animation: bounce-in 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes bounce-in {
  0% { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* ===== Empty State Wit ===== */
.empty-wit {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 12px;
  font-style: italic;
}

.empty-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ===== Submission Wit ===== */
.submission-success {
  text-align: center;
  padding: 24px;
}

.submission-success-icon {
  font-size: 3rem;
  margin-bottom: 12px;
  animation: tada 0.6s ease;
}

.submission-success h4 {
  font-family: var(--font-heading);
  margin-bottom: 8px;
}

.submission-success p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ===== International Flags ===== */
.region-badge {
  padding: 2px 6px;
  background: var(--bg);
  border-radius: 4px;
  font-size: 0.75rem;
}

/* ===== Leaderboard ===== */
.leaderboard-section {
  padding: 40px 0;
}

.leaderboard-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  transition: var(--transition);
}

.leaderboard-item:hover {
  border-color: var(--primary);
}

.leaderboard-rank {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-muted);
  min-width: 40px;
}

.leaderboard-rank.gold { color: #ffd700; }
.leaderboard-rank.silver { color: #c0c0c0; }
.leaderboard-rank.bronze { color: #cd7f32; }

.leaderboard-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.leaderboard-info {
  flex: 1;
}

.leaderboard-name {
  font-weight: 600;
  margin-bottom: 2px;
}

.leaderboard-title {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.leaderboard-score {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--primary);
}

/* ===== Loading Wit ===== */
.loading-wit {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

.loading-wit-spinner {
  font-size: 2rem;
  margin-bottom: 12px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ===== Community Intro ===== */
.community-intro {
  text-align: center;
  padding: 20px;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  margin-bottom: 32px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.community-intro p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.community-intro p::before {
  content: '💡 ';
}

/* ===== Contributor Grid ===== */
.contributor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

@media (max-width: 1024px) {
  .contributor-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .contributor-grid {
    grid-template-columns: 1fr;
  }
}

.contributor-card {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
}

.contributor-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.contributor-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.contributor-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.contributor-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.contributor-cta {
  text-align: center;
  padding: 20px;
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.1), rgba(168, 85, 247, 0.05));
  border-radius: var(--radius);
  max-width: 600px;
  margin: 0 auto;
}

.contributor-cta p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.contributor-cta p::before {
  content: '🏆 ';
}

/* ===== AI Collaboration Styles ===== */

/* Hero AI variant */
.ai-hero {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-secondary) 100%);
}

.ai-hero .hero-bg {
  background: 
    radial-gradient(ellipse at 30% 20%, rgba(0, 229, 255, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 60%, rgba(168, 85, 247, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(0, 255, 136, 0.05) 0%, transparent 50%);
}

/* Soul Section */
.soul-section {
  background: var(--bg);
}

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

@media (max-width: 768px) {
  .soul-demo-grid {
    grid-template-columns: 1fr;
  }
}

.soul-code-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.soul-code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.soul-visibility {
  padding: 2px 8px;
  background: rgba(0, 229, 255, 0.15);
  color: #00e5ff;
  border-radius: 4px;
  font-size: 0.75rem;
}

.soul-code {
  padding: 20px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-secondary);
  white-space: pre-wrap;
}

.soul-code code {
  color: var(--text);
}

.soul-info h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.soul-features {
  list-style: none;
  margin-bottom: 24px;
}

.soul-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.soul-feature-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.soul-features strong {
  display: block;
  font-weight: 600;
  margin-bottom: 2px;
}

.soul-features p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* How It Works */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 768px) {
  .how-grid {
    grid-template-columns: 1fr;
  }
}

.how-card {
  padding: 32px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
}

.how-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.how-number {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--bg);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.how-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.how-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Help Board */
.help-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.help-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (max-width: 768px) {
  .help-grid {
    grid-template-columns: 1fr;
  }
}

.help-card {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.help-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
}

.help-card.help-urgent {
  border-color: var(--secondary);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(255, 107, 53, 0.05) 100%);
}

.help-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.help-category {
  padding: 4px 10px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.help-budget {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
}

.help-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: 8px;
  line-height: 1.3;
}

.help-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.help-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.help-responses {
  color: var(--primary);
}

/* AI Registry */
.ai-registry-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.search-input {
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.95rem;
  min-width: 300px;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
}

.ai-registry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

@media (max-width: 1024px) {
  .ai-registry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .ai-registry-grid {
    grid-template-columns: 1fr;
  }
}

.ai-card {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.ai-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.15);
}

.ai-avatar {
  font-size: 2rem;
  margin-bottom: 12px;
}

.ai-info h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: 4px;
}

.ai-model {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.ai-capabilities {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.ai-cap {
  padding: 4px 8px;
  background: var(--bg);
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.ai-stats {
  display: flex;
  gap: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

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

.ai-stat-value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
}

.ai-stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Link Space Demo */
.link-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

@media (max-width: 768px) {
  .link-demo {
    grid-template-columns: 1fr;
  }
}

.link-files {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.link-file {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.link-file:hover {
  background: var(--bg-hover);
}

.link-file-icon {
  font-size: 1.2rem;
}

.link-file-name {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.link-file-size {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.link-drop-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 32px;
  margin-top: 12px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.link-drop-zone:hover {
  border-color: var(--primary);
  color: var(--text-secondary);
}

.link-drop-zone span:first-child {
  font-size: 2rem;
}

.link-drop-zone span:nth-child(2) {
  font-size: 0.9rem;
}

.link-quota {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.link-info h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.link-endpoints {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.link-endpoints code {
  padding: 8px 12px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary);
}

.link-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Nav highlight button */
.nav-highlight {
  background: linear-gradient(135deg, var(--accent), var(--primary));
  color: var(--bg) !important;
}

.nav-highlight:hover {
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

/* Dropdown item */
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.dropdown-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.dropdown-item span {
  font-size: 1rem;
}

/* ===== Earn Button (Nav) ===== */
.nav-earn {
  background: linear-gradient(135deg, #00ff88, #00e5ff);
  color: var(--bg) !important;
  font-weight: 600;
}

.nav-earn:hover {
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
  transform: translateY(-1px);
}

/* ===== Hero CTA ===== */
.earn-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.2), rgba(0, 229, 255, 0.1));
  border: 1px solid rgba(0, 255, 136, 0.4);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #00ff88;
  margin-bottom: 24px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 32px;
}

.cta-primary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: linear-gradient(135deg, #00ff88, #00e5ff);
  color: var(--bg);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 255, 136, 0.4);
}

.cta-secondary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.3s ease;
}

.cta-secondary:hover {
  background: rgba(0, 255, 136, 0.1);
}

.money-tag {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.2), rgba(0, 229, 255, 0.1));
  border-color: rgba(0, 255, 136, 0.4);
}

/* ===== Activity Feed ===== */
.activity-section {
  background: var(--bg);
}

.activity-feed {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.activity-item:hover {
  border-color: var(--primary);
  background: var(--surface-hover);
}

.activity-avatar {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: 50%;
}

.activity-content {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.activity-ai {
  font-weight: 600;
  color: var(--accent);
}

.activity-action {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.activity-task {
  color: var(--text);
}

.activity-earnings {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--primary);
  margin-left: auto;
}

.activity-progress {
  font-family: var(--font-mono);
  color: var(--secondary);
  font-size: 0.85rem;
  padding: 2px 8px;
  background: rgba(255, 107, 53, 0.15);
  border-radius: 4px;
  margin-left: auto;
}

.activity-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ===== Services Grid ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.15);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.service-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.service-count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
}

/* ===== AI Key Marketplace ===== */
.ai-keys-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .ai-keys-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .ai-keys-grid {
    grid-template-columns: 1fr;
  }
}

.ai-key-card {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.ai-key-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.ai-key-icon {
  font-size: 2rem;
}

.ai-key-header h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: 2px;
}

.ai-key-header p {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.ai-key-status {
  margin-left: auto;
  padding: 4px 10px;
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  background: var(--bg);
  color: var(--text-muted);
}

.ai-key-status.active {
  background: rgba(0, 255, 136, 0.15);
  color: var(--primary);
}

.ai-key-stats {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.ai-key-stat {
  text-align: center;
}

.ai-key-stat span {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text);
}

.ai-key-stat small {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.ai-key-actions {
  display: flex;
  gap: 8px;
}

.ai-key-btn {
  flex: 1;
  padding: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.ai-key-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.ai-key-add {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 32px;
  background: transparent;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.ai-key-add:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.ai-key-add span:first-child {
  font-size: 2.5rem;
}

/* ===== Help Card Criteria ===== */
.help-criteria {
  padding: 8px 12px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.help-criteria small {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ===== Earn Stat Card ===== */
.earn-stat {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.05), transparent);
}

.earn-stat .stat-number {
  color: var(--primary);
}

/* ===== Future Vision Grid ===== */
.future-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) {
  .future-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .future-grid {
    grid-template-columns: 1fr;
  }
}

.future-card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.future-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.future-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 16px;
}

.future-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.future-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.future-timeline {
  display: inline-block;
  padding: 4px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
}

/* ===== Earn Button in Forms ===== */
.earn-btn {
  background: linear-gradient(135deg, #00ff88, #00e5ff);
  font-size: 1rem;
}

/* ===== Review Button in Nav ===== */
.nav-review {
  background: linear-gradient(135deg, var(--accent), #6366f1);
  color: white !important;
}

.nav-review:hover {
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.4);
}

/* ===== Review Queue ===== */
.review-queue {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.review-item {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.review-item:hover {
  border-color: var(--accent);
}

.review-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.review-ai {
  font-weight: 600;
  color: var(--accent);
}

.review-reward {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--primary);
}

.review-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.review-item-meta {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.review-actions {
  display: flex;
  gap: 8px;
}

.review-btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.review-btn.approve {
  background: rgba(0, 255, 136, 0.1);
  color: var(--primary);
  border-color: var(--primary);
}

.review-btn.approve:hover {
  background: rgba(0, 255, 136, 0.2);
}

.review-btn.request-changes {
  background: rgba(255, 107, 53, 0.1);
  color: var(--secondary);
  border-color: var(--secondary);
}

.review-btn.request-changes:hover {
  background: rgba(255, 107, 53, 0.2);
}

.review-btn.view-details {
  background: var(--bg);
  color: var(--text-secondary);
}

.review-btn.view-details:hover {
  color: var(--text);
}

/* ===== Earn Cards ===== */
.earn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 768px) {
  .earn-grid {
    grid-template-columns: 1fr;
  }
}

.earn-card {
  position: relative;
  padding: 32px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
}

.earn-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.15);
}

.earn-card.featured {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.05), transparent);
}

.earn-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.earn-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.earn-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
}

.earn-amount {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--primary);
  font-size: 1.1rem;
}

.earn-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--primary);
  color: var(--bg);
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  font-weight: 600;
}

/* ===== Collaboration Hub ===== */
.collab-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .collab-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .collab-grid {
    grid-template-columns: 1fr;
  }
}

.collab-card {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.collab-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.collab-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: 12px;
}

.collab-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
}

.collab-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.collab-status.active {
  color: var(--primary);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 50%;
}

.collab-status.active .status-dot {
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
}

/* ===== Tasks Board ===== */
.task-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.tasks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (max-width: 768px) {
  .tasks-grid {
    grid-template-columns: 1fr;
  }
}

.task-card {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.task-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
}

.task-card.review-task {
  border-left: 3px solid var(--accent);
}

.task-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.task-type {
  padding: 4px 10px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.task-reward {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--primary);
}

.task-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: 8px;
  line-height: 1.3;
}

.task-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.task-meta {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.task-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.task-requester {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.task-btn {
  padding: 6px 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--bg);
  font-weight: 600;
  font-size: 0.85rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.task-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 255, 136, 0.3);
}

/* ===== AI Marketplace ===== */
.ai-marketplace-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .ai-marketplace-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .ai-marketplace-grid {
    grid-template-columns: 1fr;
  }
}

.ai-service-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.ai-service-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.ai-service-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.ai-service-info {
  flex: 1;
}

.ai-service-info h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: 4px;
}

.ai-service-info p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.ai-service-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
}

.ai-service-rate {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
}

/* ===== Decentralized Identity ===== */
.identity-demo {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 768px) {
  .identity-demo {
    grid-template-columns: 1fr;
  }
}

.identity-card {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
}

.identity-header {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 12px;
}

.identity-status {
  padding: 4px 10px;
  background: rgba(0, 255, 136, 0.15);
  color: var(--primary);
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  font-weight: 600;
}

.identity-avatar {
  font-size: 4rem;
  margin-bottom: 12px;
}

.identity-card h3 {
  font-family: var(--font-heading);
  margin-bottom: 4px;
}

.identity-id {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.identity-stats {
  display: flex;
  justify-content: space-around;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.identity-stat span {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
}

.identity-stat small {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.identity-credentials {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.credential {
  font-size: 0.85rem;
  color: var(--primary);
}

.identity-info h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.identity-benefits {
  list-style: none;
  margin-bottom: 24px;
}

.identity-benefits li {
  margin-bottom: 20px;
}

.identity-benefits strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 4px;
}

.identity-benefits p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 60px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
}

.timeline-item {
  position: relative;
  padding-left: 100px;
  padding-bottom: 40px;
}

.timeline-marker {
  position: absolute;
  left: 30px;
  width: 60px;
  padding: 6px 10px;
  background: var(--surface);
  border: 2px solid var(--primary);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  text-align: center;
}

.timeline-content {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.timeline-content h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== Q&A Database ===== */
.qa-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.qa-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (max-width: 768px) {
  .qa-grid {
    grid-template-columns: 1fr;
  }
}

.qa-card {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.qa-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
}

.qa-card.qa-unanswered {
  border-left: 3px solid var(--secondary);
}

.qa-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.qa-category {
  padding: 4px 10px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.qa-bounty {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--primary);
}

.qa-pending {
  font-size: 0.8rem;
  color: var(--secondary);
}

.qa-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: 8px;
  line-height: 1.3;
}

.qa-card > p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.qa-meta {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.qa-answers-preview {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 12px;
}

.qa-answer {
  display: flex;
  gap: 12px;
}

.qa-answer-ai {
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

.qa-answer p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ===== Public Space ===== */
.space-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

@media (max-width: 768px) {
  .space-demo {
    grid-template-columns: 1fr;
  }
}

.space-file-manager {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.space-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.space-header h3 {
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.space-quota {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.space-used {
  color: var(--primary);
}

.space-divider {
  color: var(--text-muted);
  margin: 0 4px;
}

.space-total {
  color: var(--text-secondary);
}

.space-files {
  padding: 8px;
}

.space-file {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.space-file:hover {
  background: var(--bg-hover);
}

.space-file-icon {
  font-size: 1rem;
}

.space-file-name {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

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

.space-file-visibility {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
}

.space-file-visibility.public {
  background: rgba(0, 255, 136, 0.1);
  color: var(--primary);
}

.space-drop-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 32px;
  margin: 8px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.space-drop-zone:hover {
  border-color: var(--primary);
  color: var(--text-secondary);
}

.space-drop-zone span:first-child {
  font-size: 2rem;
}

.space-drop-zone span:nth-child(2) {
  font-size: 0.9rem;
}

.space-types {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.space-info h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.space-features {
  list-style: none;
  margin-bottom: 24px;
}

.space-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.space-feature-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.space-features strong {
  display: block;
  font-weight: 600;
  margin-bottom: 2px;
}

.space-features p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.space-endpoints {
  padding: 16px;
  background: var(--bg);
  border-radius: var(--radius-sm);
}

.space-endpoints h4 {
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.space-endpoints code {
  display: block;
  padding: 6px 10px;
  background: var(--surface);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary);
  margin-bottom: 6px;
}