body {
      margin: 0;
      background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
      font-family: 'Segoe UI', sans-serif;
      display: flex;
      align-items: center;
      justify-content: center;
      height: 100vh;
      color: white;
    }

    .login-container {
      background: rgba(255, 255, 255, 0.08);
      border-radius: 16px;
      padding: 40px 30px;
      backdrop-filter: blur(15px);
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
      width: 100%;
      max-width: 400px;
      box-sizing: border-box;
      text-align: center;
    }

    .login-container h2 {
      font-size: 24px;
      margin-bottom: 30px;
      font-weight: 500;
      white-space: nowrap;
    }

    .form-group {
      margin-bottom: 20px;
      text-align: left;
    }

    label {
      display: block;
      margin-bottom: 6px;
      font-size: 15px;
      color: #ddd;
      white-space: nowrap;
    }

    input[type="text"],
    input[type="password"] {
      width: 100%;
      padding: 12px 14px;
      border: none;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.1);
      color: white;
      font-size: 15px;
      outline: none;
      box-sizing: border-box;
    }

    input::placeholder {
      color: #bbb;
    }

    .login-button {
      width: 100%;
      padding: 12px;
      background: #00c6ff;
      border: none;
      border-radius: 8px;
      color: white;
      font-size: 16px;
      font-weight: bold;
      cursor: pointer;
      transition: background 0.3s;
    }

    .login-button:hover {
      background: #007bbf;
    }

    .note,
    .aumin {
      margin-top: 20px;
      font-size: 14px;
      color: #aaa;
      text-align: center;
      white-space: nowrap;
    }

    .aumin:hover {
      color: #00c6ff;
    }