body {
  font-family: "Segoe UI", Arial, sans-serif;
  background: #eef2f3;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}
.header {
  position: absolute;
  top: 10px;
  left: 25%;
  font-size: 3.5rem;
  font-weight: 700;
  color: #333;
}
.logo-corner {
  position: absolute;
  top: 15px;       
  right: 40px;      
  width: 120px;     
  height: auto;
}
.logo-inside {
  width: 120px;      
  /* margin-bottom: 6px; */
}

.container {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  width: 300px;
  text-align: center;
}

h2 {
  margin-bottom: 1rem;
  color: #333;
}

input {
  width: 90%;
  padding: 10px;
  margin: 8px 0;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  background: #007bff;
  color: white;
  border: none;
  padding: 10px 20px;
  margin-top: 10px;
  border-radius: 5px;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background: #0056b3;
}

.back-link {
  display: inline-block;
  margin-top: 15px;
  text-decoration: none;
  color: #007bff;
}

@media (max-width: 600px) {

  body {
    height: auto;         /* avoid forced vertical centering */
    padding-top: 120px;   /* create space for header + logo */
    padding-bottom: 40px;
  }

  .header {
    position: fixed;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    text-align: center;
    width: 100%;
    z-index: 1000;
  }

  .logo-corner {
    position: fixed;
    top: 10px;
    right: 10px;
    width: 80px;       /* smaller for mobile */
    z-index: 1000;
  }

  .container {
    width: 90%;
    margin-top: 40px;        /* extra spacing */
  }
}