html,
body {
  height: 100%;
}

body {
  display: flex;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
  background-color: #f5f5f5;
}

.form-signin {
  max-width: 330px;
  padding: 15px;
}

.form-signin .form-floating:focus-within {
  z-index: 2;
}

/* ป้องกัน iOS Safari auto-zoom เมื่อ focus input */
.form-signin .form-control {
  font-size: 16px;
}

.form-signin input[type="text"] {
  margin-bottom: -1px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}

.form-signin #password {
  margin-bottom: 10px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

/* Divider "หรือ" */
.divider {
  display: flex;
  align-items: center;
  margin: 1rem 0;
  color: #6c757d;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid #dee2e6;
}

.divider span {
  padding: 0 0.75rem;
  font-size: 0.875rem;
}

/* Google button */
.btn-google {
  background-color: #fff;
  border: 1px solid #747775;
  color: #1f1f1f;
  font-weight: 500;
  transition: background-color 0.2s, box-shadow 0.2s;
}

.btn-google:hover {
  background-color: #f2f2f2;
  border-color: #747775;
  color: #1f1f1f;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-google:active,
.btn-google:focus {
  background-color: #e8e8e8;
  border-color: #747775;
  color: #1f1f1f;
}