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

    body {
      font-family: 'Segoe UI', sans-serif;
      background: hsl(0, 0%, 100%);
    }

    nav {
      position: sticky;
      top: 10px;
      z-index: 1000;
      max-width: 1520px;
      margin: 30px auto;
      padding: 1.2rem 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #ffffff;
      border-radius: 50px;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
      border: 1px solid #a1a1a1;
    }

    .logo {
      font-size: 1.7rem;
      font-weight: bold;
      color: #2c3e50;
    }

    .nav-center {
      display: flex;
      gap: 2rem;
    }

    .nav-center a {
      position: relative;
      text-decoration: none;
      color: #2c3e50;
      font-weight: 500;
      font-size: 15px;
      padding: 6px 0;
      transition: color 0.3s ease;
    }

    .nav-center a::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -4px;
      width: 0%;
      height: 2px;
      background-color: #4a74ff;
      transition: width 0.3s ease;
    }

    .nav-center a:hover::after {
      width: 100%;
    }

    /* ✅ Right Side Rounded Button */
    .nav-right a {
      text-decoration: none;
      background: #4a74ff;
      color: #fff;
      padding: 10px 22px;
      border-radius: 50px;
      font-weight: 500;
      font-size: 15px;
      box-shadow: 0 4px 12px rgba(74, 116, 255, 0.3);
      transition: all 0.3s ease;
    }

    .nav-right a:hover {
      background: #355de0;
      transform: translateY(-1px);
    }
        /* ─── Search Bar ───────────────────────────── */
    .search-box{
        position:relative;
        display:flex;
        align-items:center;
    }
    .search-box input{
      width:200px;
      max-width:60vw;
      padding:9px 40px 9px 16px;
      border:1px solid #bfc9ff;
      border-radius:50px;
      font-size:14px;
      transition:all .3s ease;
    }
    .search-box input::placeholder{
        color:#9aa2d4;
    }
    .search-box input:focus{
      outline:none;border-color:#4a74ff;
      box-shadow:0 0 0 3px rgba(74,116,255,.25);
    }
    /* search icon */
    .search-box::after{
      content:'🔍'; /* simple emoji icon */
      position:absolute;right:14px;pointer-events:none;
      font-size:16px;color:#6d7be9;
    }


    @media (max-width: 768px) {
      nav {
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem;
        border-radius: 25px;
      }

      .nav-center {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
      }

      .nav-right a {
        width: 100%;
        text-align: center;
      }
     .search-box input{width:100%;}

    }
    /* --- Previous link --- */
    .back-link{
  position:absolute;
  top:140px;
  right:220px;
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  font-size:.95rem;
  color:#333;
  text-decoration:none;
  transition:transform .25s ease;
  
}
.back-link:hover{transform:translateX(4px)}
.back-link img{width:35px;height:35px;display:block}


        .card {
      background: #ffffff;
      padding: 30px;
      max-width: 1100px;
      margin: auto;
      border-radius: 15px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
      animation: fadeInCard 1s ease-out;
      margin-top: 120px;
      border: 1px solid #d0e0f0;
      margin-bottom: 30px;
    }
        @keyframes fadeInCard {
      from { opacity: 0; transform: translateY(40px); }
      to { opacity: 1; transform: translateY(0); }
    }

    h1 {
      text-align: center;
     color: #1565c0;
      margin-bottom: 24px;
      animation: pop 0.6s ease-in-out;
      font-size: 28px;
      letter-spacing: 1px;
      text-transform: uppercase;
      background: linear-gradient(90deg, #1976d2, #63a4ff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 16px;
      animation: slideUp 1s ease-in-out;
    }
    th, td {
      border: 1px solid #ccc;
      padding: 12px 14px;
      text-align: left;
      font-size: 14px;
      transition: background 0.3s ease;
    }
        td {
      padding: 12px;
      border: 1px solid #e0e0e0;
      background: linear-gradient(120deg, #f9f9f9, #f1f6fc);
      font-size: 14px;
      transition: background 0.3s ease, transform 0.3s ease;
    }

    th {
      background: linear-gradient(90deg, #1976d2, #63a4ff);
      color: white;
      text-transform: uppercase;
    }
    tbody tr {
      background: #fdfdfd;
    }
    tbody tr:nth-child(even) {
      background: #f0f8ff;
    }
    tbody tr:hover td {
      background-color: #e3f2fd;
    }
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }
    @keyframes pop {
      0% { transform: scale(0.9); opacity: 0; }
      100% { transform: scale(1); opacity: 1; }
    }
    @keyframes slideUp {
      from { transform: translateY(30px); opacity: 0; }
      to { transform: translateY(0); opacity: 1; }
    }
    .top-table {
      border: none;
      margin-bottom: 32px;
    }
    .top-table td {
      border: 1px solid #ccc;
      padding: 10px 14px;
      font-size: 14px;
    }
    .top-table td.title {
      font-weight: bold;
      color: #0d47a1;
      background-color: #e3f2fd;
      width: 180px;
    }