*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg-primary:#0b0d17;
  --bg-secondary:#111425;
  --bg-card:#141829;
  --bg-card-hover:#1a1f36;
  --bg-input:#111425;
  --border-color:#1e2340;
  --border-hover:#2a3055;
  --text-primary:#e4e6f0;
  --text-secondary:#8b8fa3;
  --text-muted:#5a5e73;
  --accent-purple:#6c63ff;
  --accent-cyan:#00d4ff;
  --accent-gradient:linear-gradient(135deg,#6c63ff,#00d4ff);
  --cat-ai:#a855f7;
  --cat-security:#ef4444;
  --cat-management:#3b82f6;
  --cat-monitoring:#22c55e;
  --cat-ticketing:#f97316;
  --cat-voice:#ec4899;
  --cat-news:#06b6d4;
  --cat-scrapers:#eab308;
  --cat-education:#6366f1;
  --cat-games:#84cc16;
  --cat-tools:#14b8a6;
  --radius:12px;
  --radius-sm:8px;
  --radius-xs:6px;
  --shadow:0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg:0 8px 40px rgba(0,0,0,0.4);
  --transition:0.3s cubic-bezier(0.4,0,0.2,1);
}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg-primary);
  color:var(--text-primary);
  min-height:100vh;
  overflow-x:hidden;
  line-height:1.6;
}

/* Background Glows */
.bg-glow{position:fixed;border-radius:50%;filter:blur(120px);opacity:0.15;pointer-events:none;z-index:0}
.bg-glow-1{width:600px;height:600px;background:var(--accent-purple);top:-200px;left:-200px;animation:float 20s ease-in-out infinite}
.bg-glow-2{width:500px;height:500px;background:var(--accent-cyan);bottom:-150px;right:-150px;animation:float 25s ease-in-out infinite reverse}
.bg-glow-3{width:400px;height:400px;background:#ec4899;top:50%;left:50%;transform:translate(-50%,-50%);animation:float 30s ease-in-out infinite}
@keyframes float{0%,100%{transform:translate(0,0)}25%{transform:translate(30px,-30px)}50%{transform:translate(-20px,20px)}75%{transform:translate(20px,10px)}}

/* Header */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,13,23,0.85);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border-color);
  padding:16px 0;
}
.header-content{
  max-width:1400px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{display:flex;align-items:center;gap:12px}
.logo h1{
  font-size:1.5rem;font-weight:700;
  background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.logo-icon{flex-shrink:0}
.header-stats{
  font-size:0.875rem;color:var(--text-secondary);
  background:var(--bg-secondary);padding:8px 16px;border-radius:20px;
  border:1px solid var(--border-color);
}
.header-stats span{color:var(--accent-cyan);font-weight:600}

/* Main */
.main{
  max-width:1400px;margin:0 auto;padding:32px 24px;
  position:relative;z-index:1;
}

/* Search */
.search-container{margin-bottom:24px}
.search-wrapper{
  position:relative;display:flex;align-items:center;
  background:var(--bg-input);border:1px solid var(--border-color);
  border-radius:var(--radius);padding:0 16px;
  transition:border-color var(--transition);
}
.search-wrapper:focus-within{border-color:var(--accent-purple);box-shadow:0 0 0 3px rgba(108,99,255,0.15)}
.search-icon{color:var(--text-muted);flex-shrink:0}
#search-input{
  flex:1;background:transparent;border:none;outline:none;
  color:var(--text-primary);font-size:1rem;padding:14px 12px;
  font-family:inherit;
}
#search-input::placeholder{color:var(--text-muted)}
.clear-btn{
  background:none;border:none;color:var(--text-muted);cursor:pointer;
  padding:4px;border-radius:4px;transition:all var(--transition);
  display:flex;align-items:center;justify-content:center;
}
.clear-btn:hover{color:var(--text-primary);background:var(--bg-card)}

/* Tabs */
.tabs-container{margin-bottom:24px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.tabs-container::-webkit-scrollbar{height:4px}
.tabs-container::-webkit-scrollbar-track{background:transparent}
.tabs-container::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:2px}
.tabs{display:flex;gap:8px;padding-bottom:4px;min-width:max-content}
.tab{
  display:flex;align-items:center;gap:6px;
  padding:10px 16px;border-radius:20px;
  background:var(--bg-secondary);border:1px solid var(--border-color);
  color:var(--text-secondary);font-size:0.8125rem;font-weight:500;
  cursor:pointer;transition:all var(--transition);white-space:nowrap;
  font-family:inherit;
}
.tab:hover{border-color:var(--border-hover);color:var(--text-primary);background:var(--bg-card-hover)}
.tab.active{
  background:var(--accent-gradient);border-color:transparent;
  color:white;font-weight:600;
}
.tab-icon{font-size:0.875rem}
.tab-label{line-height:1}

/* Results Info */
.results-info{
  margin-bottom:20px;font-size:0.875rem;color:var(--text-muted);
  padding:0 4px;
}

/* Grid */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(340px,1fr));
  gap:20px;
}

/* Card */
.card{
  background:var(--bg-card);border:1px solid var(--border-color);
  border-radius:var(--radius);padding:24px;
  cursor:pointer;position:relative;overflow:hidden;
  transition:all var(--transition);
  opacity:0;transform:translateY(20px);
}
.card.visible{opacity:1;transform:translateY(0)}
.card:hover{
  border-color:var(--accent-purple);
  transform:translateY(-4px);
  box-shadow:0 8px 32px rgba(108,99,255,0.15),0 0 0 1px rgba(108,99,255,0.1);
}
.card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--accent-gradient);opacity:0;transition:opacity var(--transition);
}
.card:hover::before{opacity:1}
.card-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:12px}
.card-category{
  display:inline-flex;align-items:center;gap:4px;
  padding:4px 10px;border-radius:12px;font-size:0.6875rem;font-weight:600;
  text-transform:uppercase;letter-spacing:0.5px;
}
.card-category[data-cat="AI/ML"]{background:rgba(168,85,247,0.15);color:var(--cat-ai)}
.card-category[data-cat="Security"]{background:rgba(239,68,68,0.15);color:var(--cat-security)}
.card-category[data-cat="Management Systems"]{background:rgba(59,130,246,0.15);color:var(--cat-management)}
.card-category[data-cat="Monitoring"]{background:rgba(34,197,94,0.15);color:var(--cat-monitoring)}
.card-category[data-cat="Ticketing"]{background:rgba(249,115,22,0.15);color:var(--cat-ticketing)}
.card-category[data-cat="Voice & Audio"]{background:rgba(236,72,153,0.15);color:var(--cat-voice)}
.card-category[data-cat="News & Tech"]{background:rgba(6,182,212,0.15);color:var(--cat-news)}
.card-category[data-cat="Scrapers & Data"]{background:rgba(234,179,8,0.15);color:var(--cat-scrapers)}
.card-category[data-cat="Education"]{background:rgba(99,102,241,0.15);color:var(--cat-education)}
.card-category[data-cat="Games & Apps"]{background:rgba(132,204,22,0.15);color:var(--cat-games)}
.card-category[data-cat="Tools & Utilities"]{background:rgba(20,184,166,0.15);color:var(--cat-tools)}
.card-group-badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:4px 8px;border-radius:10px;font-size:0.6875rem;
  background:rgba(108,99,255,0.1);color:var(--accent-purple);
  border:1px solid rgba(108,99,255,0.2);
}
.card-title{font-size:1.125rem;font-weight:600;margin-bottom:8px;line-height:1.3}
.card-description{font-size:0.875rem;color:var(--text-secondary);margin-bottom:16px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.card-author{
  font-size:0.75rem;color:var(--text-muted);
  display:flex;align-items:center;gap:4px;
}
.card-author svg{width:12px;height:12px;opacity:0.5}
.card-view-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-xs);
  background:rgba(108,99,255,0.1);color:var(--accent-purple);
  font-size:0.75rem;font-weight:500;border:1px solid rgba(108,99,255,0.2);
  transition:all var(--transition);
}
.card:hover .card-view-btn{background:var(--accent-purple);color:white}

/* Preview Overlay */
.preview-overlay{
  position:fixed;top:0;left:0;right:0;bottom:0;
  background:rgba(0,0,0,0.6);backdrop-filter:blur(8px);
  z-index:200;display:flex;align-items:flex-end;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity 0.3s ease;
}
.preview-overlay.active{opacity:1;pointer-events:auto}
.preview-panel{
  width:100%;max-width:900px;max-height:85vh;
  background:var(--bg-secondary);border:1px solid var(--border-color);
  border-radius:var(--radius) var(--radius) 0 0;
  overflow:hidden;display:flex;flex-direction:column;
  transform:translateY(100%);transition:transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.preview-overlay.active .preview-panel{transform:translateY(0)}
.preview-header{
  display:flex;align-items:flex-start;justify-content:space-between;
  padding:24px;border-bottom:1px solid var(--border-color);
}
.preview-title-section{flex:1;min-width:0}
.preview-header h2{font-size:1.375rem;font-weight:700;margin-bottom:8px}
.preview-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.preview-category{
  padding:4px 12px;border-radius:12px;font-size:0.75rem;font-weight:600;
  background:rgba(108,99,255,0.15);color:var(--accent-purple);
}
.preview-author{font-size:0.8125rem;color:var(--text-muted)}
.close-btn{
  background:var(--bg-card);border:1px solid var(--border-color);
  color:var(--text-secondary);cursor:pointer;padding:8px;
  border-radius:var(--radius-xs);transition:all var(--transition);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.close-btn:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:var(--border-hover)}
.preview-body{padding:24px;overflow-y:auto;flex:1}
.preview-description{font-size:0.9375rem;color:var(--text-secondary);margin-bottom:20px;line-height:1.6}
.preview-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.preview-tag{
  padding:4px 10px;border-radius:10px;font-size:0.75rem;
  background:var(--bg-card);color:var(--text-muted);
  border:1px solid var(--border-color);
}
.preview-group-info{margin-bottom:24px}
.preview-group-info h4{font-size:0.875rem;color:var(--text-secondary);margin-bottom:12px}
.preview-group-list{display:flex;flex-direction:column;gap:8px}
.preview-group-item{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 14px;border-radius:var(--radius-sm);
  background:var(--bg-card);border:1px solid var(--border-color);
  font-size:0.8125rem;
}
.preview-group-item:hover{border-color:var(--accent-purple)}
.preview-group-item-name{color:var(--text-primary);font-weight:500}
.preview-group-item-link{color:var(--accent-cyan);text-decoration:none;font-size:0.75rem}
.preview-group-item-link:hover{text-decoration:underline}
.preview-actions{display:flex;gap:12px}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-sm);
  background:var(--accent-gradient);color:white;
  font-size:0.9375rem;font-weight:600;text-decoration:none;
  border:none;cursor:pointer;transition:all var(--transition);
  font-family:inherit;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 20px rgba(108,99,255,0.4)}

/* Empty State */
.empty-state{
  text-align:center;padding:80px 20px;
  color:var(--text-muted);
}
.empty-state h3{font-size:1.25rem;margin:16px 0 8px;color:var(--text-secondary)}
.empty-state p{font-size:0.875rem}

/* Footer */
.footer{
  text-align:center;padding:32px 24px;
  color:var(--text-muted);font-size:0.8125rem;
  border-top:1px solid var(--border-color);
  position:relative;z-index:1;
}

/* Responsive */
@media(max-width:768px){
  .header-content{flex-direction:column;gap:12px;text-align:center}
  .grid{grid-template-columns:1fr}
  .main{padding:20px 16px}
  .tab{padding:8px 12px;font-size:0.75rem}
  .tab-icon{display:none}
  .preview-panel{max-height:90vh;border-radius:var(--radius) var(--radius) 0 0}
  .preview-header{padding:16px}
  .preview-body{padding:16px}
  .bg-glow-1{width:300px;height:300px}
  .bg-glow-2{width:250px;height:250px}
  .bg-glow-3{display:none}
}
@media(max-width:480px){
  .grid{grid-template-columns:1fr}
  .card{padding:16px}
  .tabs{gap:6px}
}

/* Scrollbar */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg-primary)}
::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}

/* Selection */
::selection{background:rgba(108,99,255,0.3);color:white}

/* Animation delays for staggered card entry */
.card:nth-child(1){transition-delay:0.05s}
.card:nth-child(2){transition-delay:0.1s}
.card:nth-child(3){transition-delay:0.15s}
.card:nth-child(4){transition-delay:0.2s}
.card:nth-child(5){transition-delay:0.25s}
.card:nth-child(6){transition-delay:0.3s}
.card:nth-child(7){transition-delay:0.35s}
.card:nth-child(8){transition-delay:0.4s}
.card:nth-child(9){transition-delay:0.45s}