/* ========================= RESET & BASE ========================= */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Poppins', sans-serif;
    }

    html, body {
      height: 100%;
      width: 100%;
      background: linear-gradient(180deg, #7f90e3, #f7e8ff);
      display: flex;
      justify-content: center;
      align-items: flex-start;
      overflow-x: hidden;
    }

    /* ========================= CONTAINER ========================= */
    .login-container {
      width: 100%;
      max-width: 480px;
      background: #fff;
      border-radius: 0;
      box-shadow: 0 4px 25px rgba(0, 0, 0, 0.12);
      display: flex;
      flex-direction: column;
      min-height: 100vh;
      position: relative;
      overflow: hidden;
      padding-top: 60px;
      padding-bottom: 80px;
    }

    /* ========================= HEADER ========================= */
    .top-header {
      position: fixed;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 100%;
      max-width: 480px;
      background: #fff;
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 18px 0;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
      z-index: 999;
    }

    .center-bold {
      flex: 1;
      text-align: center;
      font-weight: 600;
      font-size: 20px;
      color: #222;
    }

    .back-arrow-btn {
      position: absolute;
      left: 16px;
      color: #000;
      font-size: 38px;
      padding: 6px 12px;
      text-decoration: none;
      font-weight: bold;
      transition: 0.3s ease;
    }

    .back-arrow-btn:hover {
      color: #8e2de2;
    }

    /* ========================= SCROLL SECTION ========================= */
    .scroll-section {
      flex: 1;
      overflow-y: auto;
      padding: 28px 22px;
      scrollbar-width: none;
    }

    .scroll-section::-webkit-scrollbar {
      display: none;
    }

    /* ========================= IMAGE ========================= */
    .login-image {
      text-align: center;
      margin-bottom: 28px;
    }

    .login-image img {
      width: 80%;
      max-width: 220px;
      height: auto;
      display: inline-block;
    }

    /* ========================= FORM ========================= */
    label {
      display: block;
      margin-top: 20px;
      margin-bottom: 8px;
      font-size: 15px;
      font-weight: 500;
      color: #333;
    }

    input[type="text"] {
      width: 100%;
      padding: 14px;
      font-size: 14px;
      border: 1px solid #ddd;
      border-radius: 14px;
      background: #fafafa;
      transition: all 0.3s ease;
    }

    input:focus {
      border-color: #B72BEB;
      box-shadow: 0 0 8px rgba(183, 43, 235, 0.25);
      background: #fff;
    }

    .error {
      color: #ff3b30;
      font-size: 13px;
      margin-bottom: 15px;
      text-align: center;
    }

    /* ========================= LOGIN BUTTON ========================= */
    .bottom-btn {
      margin-top: 40px;
      width: 100%;
      text-align: center;
    }

    .login-btn {
      display: block;
      width: 80%;
      max-width: 300px;
      padding: 16px;
      margin: 0 auto;
      background: linear-gradient(to right, #3F0853, #B72BEB);
      color: #fff;
      font-weight: 600;
      font-size: 16px;
      border-radius: 14px;
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 4px 14px rgba(183, 43, 235, 0.3);
    }

    .login-btn:hover {
      transform: scale(1.03);
      box-shadow: 0 6px 18px rgba(183, 43, 235, 0.45);
    }

    /* ========================= RESPONSIVE ========================= */
    @media (max-width: 480px) {
      .scroll-section {
        padding: 22px 18px;
      }

      input[type="text"] {
        font-size: 14px;
        padding: 12px;
      }

      .top-header h2 {
        font-size: 18px;
      }

      .login-btn {
        width: 90%;
        font-size: 15px;
      }
    }