:root{
    --bg-dark:#0f172a;
    --card-dark:#16213e;
    --dark-blue:#1e3a8a;
    --turquoise:#14b8a6;
    --dark-yellow:#FFA726;
    --text-light:#e5e7eb;
    --shadow-glow: rgba(212, 160, 39, 0.15);
    --bg-secondary: #111827;
  }
  
  *{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family: system-ui, -apple-system, sans-serif;
  }
  
  body{
    background:var(--bg-dark);
    color:var(--text-light);
    padding:16px;
    user-select: none;
  }
  
  header{
    position:sticky;
    top:0;
    background:var(--bg-dark);
    padding-bottom:12px;
    z-index:100;
  }
  
  h1{
    color:var(--dark-yellow);
    font-size:28px;
    text-align: center;
    margin-bottom:16px;
    padding-top: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
  }
  
  #search{
    width:100%;
    padding:12px;
    border-radius:30px;
    border:none;
    background:var(--card-dark);
    color:white;
    outline:2px solid var(--dark-blue);
    font-size: 16px;
    transition: all 0.3s ease;
  }
  #search:focus {
    /* border-color: var(--dark-yellow); */
    outline:2px solid var(--dark-yellow);
    box-shadow: 0 0 0 4px var(--shadow-glow);
    background: var(--bg-secondary);
  }
  
  .grid{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
    margin-top:20px;
  }
  
  @media(min-width:600px){
    .grid{ grid-template-columns:repeat(2,1fr); }
  }
  
  @media(min-width:1000px){
    .grid{ grid-template-columns:repeat(3,1fr); }
  }
  
  .card{
    background:var(--card-dark);
    padding:15px;
    margin-bottom: 20px;
    border-radius:14px;
    border:1px solid var(--dark-yellow);
  }

  .divider {
    width: 100%;
    height: 2px;
    background-color: var(--turquoise);
  }
  
  .category{
    font-size:16px;
    color:var(--turquoise);
    margin-bottom:5px;
  }
  
  .item-title{
    font-size:24px;
    font-weight: 700;
    margin-bottom:8px;
  }
  
  .price-naira{
    font-size:24px;
    font-weight:bold;
    color:var(--dark-yellow);
  }
  
  .other-prices{
    background-color: black;
    width: 75%;
    font-size:18px;
    font-weight:bold;
    color:#9ca3af;
    margin-top:4px;
    padding: 8px;
  }
  
  .ad-card{
    border-radius:14px;
    padding:14px;
    background:linear-gradient(135deg,var(--dark-blue),var(--turquoise));
    color:white;
    position:relative;
  }
  
  .ad-badge{
    position:absolute;
    top:8px;
    right:8px;
    background:var(--dark-yellow);
    color:black;
    font-size:10px;
    padding:4px 6px;
    border-radius:20px;
    font-weight:bold;
  }
  
  .ad-card img{
    /* width:100%; */
    width: 80px;
    height: 80px;
    border-radius:10px;
    margin-bottom:8px;
  }