:root {
  --primary: #1a1a2e;
  --secondary: #16213e;
  --accent-1: #0f3460;
  --accent-2: #533483;
  --highlight: #e94560;
  --highlight-2: #f39c12;
  --text-primary: #ffffff;
  --text-secondary: #b8b8b8;
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.1);
  --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-4: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Animated background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(233, 69, 96, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, rgba(243, 156, 18, 0.1) 0%, transparent 50%);
  pointer-events: none;
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}

/* Header */
header {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  padding: 1.5rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1, h1 {
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  letter-spacing: -0.5px;
}

.back-btn {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.back-btn:hover {
  background: var(--gradient-1);
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
}

/* Search Container */
.search-container {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.search-box {
  position: relative;
}

.search-input {
  width: 100%;
  padding: 1rem 1.5rem 1rem 3rem;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 2px solid var(--card-border);
  border-radius: 50px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--highlight);
  box-shadow: 0 0 0 4px rgba(233, 69, 96, 0.1);
}

.search-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

.search-icon {
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 1.2rem;
}

/* Navigation Pills */
.navigation-container {
  max-width: 1400px;
  margin: 1rem auto;
  padding: 0 1rem;
}

.nav-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  padding: 1rem;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  border: 1px solid var(--card-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.nav-pill {
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.nav-pill:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.nav-pill.active {
  background: var(--gradient-1);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* Main Content */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

/* Section Headers */
.section-header {
  margin: 3rem 0 1.5rem;
  text-align: center;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  position: relative;
  display: inline-block;
  color: var(--text-primary);
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 3px;
  background: var(--gradient-2);
  border-radius: 2px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.2rem;
  opacity: 0.9;
}

/* Prompt Grid */
.prompts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.prompt-card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  scroll-margin-top: 200px; /* Account for sticky header + nav */
}

.prompt-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-2);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.prompt-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.prompt-card:hover::before {
  transform: scaleX(1);
}

.prompt-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  gap: 1rem;
}

.prompt-title-section {
  flex: 1;
}

.prompt-header h3 {
  font-size: 1.4rem;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.prompt-summary {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.copy-btn {
  background: var(--gradient-1);
  border: none;
  color: white;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.copy-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.copy-btn.copied {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.prompt-content {
  background: rgba(0, 0, 0, 0.3);
  padding: 1.5rem;
  border-radius: 8px;
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  color: #d1d5db;
  border-left: 4px solid;
  border-image: var(--gradient-2) 1;
  white-space: pre-wrap;
  word-wrap: break-word;
  max-height: 300px;
  overflow-y: auto;
}

.prompt-content::-webkit-scrollbar {
  width: 8px;
}

.prompt-content::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

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

/* No Results */
.no-results {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--text-secondary);
  font-size: 1.2rem;
}

.no-results i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* Scroll to Top */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-1);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  z-index: 99;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.4);
}

/* Card Grid (for other pages) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

/* Cards (for other pages) */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.card:hover::before {
  transform: scaleX(1);
}

.card.email::before { background: var(--gradient-1); }
.card.hosting::before { background: var(--gradient-2); }
.card.mine::before { background: var(--gradient-3); }
.card.websites::before { background: var(--gradient-4); }

.card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-weight: 600;
}

.card ul {
  list-style: none;
}

.card li {
  margin: 0.7rem 0;
}

.card a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  position: relative;
  padding-left: 1.2rem;
}

.card a::before {
  content: '→';
  position: absolute;
  left: 0;
  opacity: 0;
  transition: all 0.2s ease;
  color: var(--highlight);
}

.card a:hover {
  color: var(--text-primary);
  padding-left: 1.5rem;
}

.card a:hover::before {
  opacity: 1;
  left: 0.3rem;
}

/* All Links Section */
.all-links {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  margin-top: 2rem;
}

.links-columns {
  column-count: 4;
  column-gap: 2rem;
  margin-top: 1.5rem;
}

.links-columns li {
  margin: 0.6rem 0;
  break-inside: avoid;
}

.links-columns a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
  position: relative;
  padding-left: 0;
}

.links-columns a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-2);
  transition: width 0.3s ease;
}

.links-columns a:hover {
  color: var(--text-primary);
  padding-left: 8px;
}

.links-columns a:hover::after {
  width: 100%;
}

/* Custom GPT Tools Section */
.gpt-tools-section {
  margin: 4rem 0;
}

.gpt-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.gpt-tool-card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.gpt-tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.gpt-tool-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.2);
}

.gpt-tool-card:hover::before {
  transform: scaleX(1);
}

.gpt-tool-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.gpt-tool-icon i {
  font-size: 1.75rem;
  color: white;
}

.gpt-tool-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.gpt-tool-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.gpt-tool-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tag {
  background: rgba(102, 126, 234, 0.2);
  color: #a8b5ff;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

.gpt-tool-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #a8b5ff;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.gpt-tool-link:hover {
  gap: 0.75rem;
  color: var(--text-primary);
}

/* Blog-specific styles */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.header {
  text-align: center;
  margin-bottom: 40px;
  padding: 40px 20px;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid var(--card-border);
}

.header h1 {
  font-size: 2.5em;
  margin-bottom: 10px;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header p {
  font-size: 1.2em;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.nav-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.nav-btn {
  padding: 12px 25px;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-btn:hover {
  background: var(--gradient-1);
  color: white;
  transform: translateY(-2px);
  border-color: transparent;
}

.content-container {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid var(--card-border);
  padding: 40px;
  margin-bottom: 40px;
}

.blog-content {
  font-family: Georgia, serif;
  line-height: 1.7;
  color: var(--text-primary);
}

.blog-content h1 {
  color: var(--text-primary);
  font-size: 2.2em;
  line-height: 1.2;
  margin-bottom: 30px;
  text-align: center;
}

.blog-content h2 {
  color: var(--text-secondary);
  font-size: 1.5em;
  margin-top: 40px;
  margin-bottom: 20px;
  border-left: 4px solid var(--highlight);
  padding-left: 15px;
}

.blog-content p {
  margin-bottom: 20px;
  font-size: 1.1em;
}

.blog-content ul, .blog-content ol {
  margin: 20px 0;
  padding-left: 30px;
}

.blog-content li {
  margin-bottom: 10px;
  font-size: 1.05em;
}

.blog-content li strong {
  color: var(--text-secondary);
}

.blog-content blockquote {
  background: rgba(0, 0, 0, 0.2);
  border-left: 4px solid var(--highlight);
  padding: 20px;
  margin: 25px 0;
  font-style: italic;
  border-radius: 8px;
  backdrop-filter: blur(5px);
}

.blog-content blockquote strong {
  color: var(--text-primary);
  font-style: normal;
}

.cta-button {
  display: inline-block;
  padding: 15px 30px;
  background: var(--gradient-2);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
}

.cta-center {
  text-align: center;
  margin: 40px 0;
}

.testimonial {
  background: rgba(0, 0, 0, 0.2);
  border-left: 4px solid var(--highlight);
  padding: 20px;
  margin: 25px 0;
  border-radius: 8px;
  backdrop-filter: blur(5px);
}

.footer {
  text-align: center;
  margin-top: 40px;
  padding: 30px;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
}

/* Hidden class */
.hidden {
  display: none !important;
}

/* Accessibility */
.search-input:focus-visible,
.card a:focus-visible,
.links-columns a:focus-visible,
.gpt-tool-link:focus-visible,
.scroll-top:focus-visible,
.nav-pill:focus-visible {
  outline: 2px solid var(--highlight);
  outline-offset: 2px;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .links-columns {
    column-count: 3;
  }
  
  .nav-pills {
    gap: 0.4rem;
    padding: 0.8rem;
  }
}

@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }

  .links-columns {
    column-count: 2;
  }

  .gpt-tools-grid {
    grid-template-columns: 1fr;
  }
  
  .prompts-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .header-content {
    padding: 0;
    flex-direction: column;
    gap: 1rem;
  }

  header h1, h1 {
    font-size: 1.5rem;
  }

  .search-container,
  .navigation-container,
  main {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .prompt-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .copy-btn {
    align-self: flex-end;
    margin-top: 0.5rem;
  }
  
  .container {
    padding: 15px;
  }

  .header h1 {
    font-size: 2em;
  }

  .content-container {
    padding: 25px;
  }

  .blog-content h1 {
    font-size: 1.8em;
  }

  .blog-content h2 {
    font-size: 1.3em;
  }

  .nav-buttons {
    flex-direction: column;
    align-items: center;
  }

  .nav-btn {
    width: 200px;
    justify-content: center;
  }

  .nav-pills {
    gap: 0.25rem;
    padding: 0.75rem;
  }

  .nav-pill {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
  }
}

@media (max-width: 600px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .links-columns {
    column-count: 1;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }
  
  .prompt-card {
    scroll-margin-top: 160px;
  }
}