:root{--bg1:#080612;--bg2:#0b0f1a;--accent1:#7a42ff;--accent2:#00b7ff;--card:#0f1220;--muted:#9aa4b2;--container:1200px;font-family:Inter, Poppins, sans-serif}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,var(--bg1),var(--bg2));color:#e6eef8}a{color:var(--accent2)}.ait-container{max-width:var(--container);margin:0 auto;padding:20px}.ait-header{position:sticky;top:0;z-index:80;backdrop-filter:blur(6px);background:linear-gradient(90deg, rgba(122,66,255,0.04), rgba(0,183,255,0.02));padding:10px 0}.ait-logo{height:40px}.grid-search{padding:18px 0;text-align:center}.grid-search input{width:60%;max-width:760px;padding:12px;border-radius:12px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:#fff}.grid-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}.card{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:18px;border-radius:12px;border:1px solid rgba(255,255,255,0.03);transition:transform .18s ease,box-shadow .18s ease}.card:hover{transform:translateY(-8px);box-shadow:0 20px 50px rgba(122,66,255,0.12)}.card h3{margin:6px 0}.muted{color:var(--muted)}.open{display:inline-block;margin-top:10px;padding:8px 12px;border-radius:8px;background:linear-gradient(90deg,var(--accent1),var(--accent2));color:#fff;font-weight:600}.ait-tool-ui{background:var(--card);padding:18px;border-radius:10px}footer.ait-footer{padding:28px 0;margin-top:30px;background:linear-gradient(90deg, rgba(122,66,255,0.04), rgba(0,183,255,0.02));color:#e6eef8}@media(max-width:900px){.grid-search input{width:100%}.grid-list{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}}