    * { 
      box-sizing: border-box; 
      margin: 0; 
      padding: 0; 
    }
    body {
      font-family: Arial, sans-serif;
      background: #f2f4f9;
      color: #1d2b67;
      line-height: 1.5;
    }
    header {
      position: sticky;
      top: 0;
      height: 100px;
      background-color: rgb(25, 2, 107);
      z-index: 1000;
      padding: 10px 0;
      box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    .header-container {
      max-width: 1200px; 
      margin: 0 auto; 
      padding: 0 20px;
      display: flex; 
      align-items: center; 
      justify-content: space-between;
    }
    .logo img { width: 80%; 
      margin-top: 15px; 
    }
    .rifheader { 
      margin-top: 60px; 
      position: relative; 
    }
    .rifhead {
      color: #fff; 
      border: none;
      cursor: none; 
      font-size: 10px;
    }
    .login-container {
      max-width: 920px; 
      margin: 60px auto;
      display: flex; 
      gap: 40px; 
      flex-wrap: wrap; 
      align-items: flex-start;
    }
    .login-form {
      flex: 2; 
      background: #fff; 
      padding: 36px 48px;
      border-radius: 8px; 
      box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    }
    .login-form .title {
      display: flex; 
      align-items: center; 
      font-size: 1.6rem; 
      margin-bottom: 28px;
    }
    .login-form .title .active { 
      color: #1d2b67; 
      font-weight: bold; 
    }
    .login-form .title .separator {
      width: 4px; 
      height: 1.6rem; 
      background: #f7941e;
      margin: 0 16px; 
      border-radius: 2px;
    }
    .login-form .title .section { 
      color: #5147e5; 
      font-weight: bold; 
    }
    .login-form h2 {
      font-size: 1.25rem; 
      margin-bottom: 20px; 
      padding-bottom: 8px;
      border-bottom: 2px solid rgba(0,0,0,0.08);
    }
    .step { 
      margin-top: 24px; 
    }
    .step .row {
      display: flex; 
      gap: 12px; 
      margin-bottom: 20px;
      align-items: center;
    }
    .step label {
      display: block; 
      font-size: 0.95rem; 
      color: #1d2b67; 
      margin-bottom: 6px;
    }
    .step select {
      width: 60px;
      padding: 10px;
      border: 1px solid #d5d7de;
      border-radius: 4px;
      font-size: 1rem;
      background: #fff;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .step select:focus {
      outline: none; 
      border-color: #373efd;
      box-shadow: 0 0 0 3px rgba(55,62,253,0.15);
    }
    .step input {
      flex: 1; 
      padding: 14px 16px;
      border: 1px solid #d5d7de; 
      border-radius: 4px;
      font-size: 1rem;
      transition: border-color 0.2s, 
      box-shadow 0.2s;
    }
    .step input:focus {
      outline: none; 
      border-color: #373efd;
      box-shadow: 0 0 0 3px rgba(55,62,253,0.15);
    }
    .step button {
      display: inline-block; 
      margin-top: 12px;
      background: #373efd; 
      color: #fff; 
      border: none;
      padding: 12px 28px; 
      font-size: 1rem; 
      border-radius: 4px;
      cursor: pointer; 
      transition: background 0.3s, 
      transform 0.2s;
    }
    .step button:hover {
      background: #292fc4; 
      transform: translateY(-1px);
    }
    .forgot {
      display: block;
      margin-top: 16px;
      font-size: 0.85rem;
      color: #888;
      text-align: center;
      cursor: pointer;
      transition: color 0.2s;
    }
    .forgot:hover {
      color: #5147e5;
      text-decoration: underline;
    }
    .register {
      flex: 1; background: #fff; 
      padding: 28px;
      border-radius: 8px; 
      box-shadow: 0 8px 24px rgba(0,0,0,0.04);
      display: flex; 
      flex-direction: column; 
      justify-content: center;
      gap: 14px; 
      text-align: center;
    }
    .register h2 { 
      font-size: 1rem; 
      color: #1d2b67; 
    }
    .register p { 
      font-size: 0.93rem; 
      color: #333; 
    }
    .register button {
      background: #e5e5e0; 
      color: #1d2b67; 
      border: none;
      padding: 10px 20px; 
      font-size: 0.95rem; 
      border-radius: 4px;
      cursor: pointer; 
      transition: background 0.3s;
    }
    .register button:hover { 
      background: #d0d0c5; 
    }
    .help {
      width: 100%; 
      text-align: center;
      font-size: 0.85rem; 
      color: #1d2b67; 
      margin-top: 40px;
    }
    .help a {
      margin: 0 10px; 
      color: #5147e5;
      text-decoration: none; 
      transition: color 0.2s;
    }
    .help a:hover {
      color: #373efd; 
      text-decoration: underline;
    }
    .help strong { 
      font-weight: bold; 
    }
    .final-footer {
      width: 100%;
      text-align: center;
      font-size: 0.85rem;
      color: #888;
      margin: 20px 0;
    }
    .final-footer span {
      margin: 0 4px;
    }
    @media (max-width: 900px) {
      .logo img {
        width: 80%;
      }
      .login-container {
        flex-direction: column;
        margin: 30px 20px;
      }
      .register {
        margin-top: 20px;
      }
    }