#main {
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 20px;
    }
html, body {
      height: 100%;
      margin: 0;
      padding: 0;
	  background: linear-gradient(to bottom right, #e3f2fd, #ffffff) !important; /* Soft mavi geçiş */
    }
#page_wrapper {
      display: grid;
      grid-template-rows: auto 1fr auto;
      min-height: 100dvh; /* mobil tarayıcılar için */
      background: linear-gradient(to bottom right, #e3f2fd, #ffffff);
    }

#sutun3 {
  background-color: #f9f9f9;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0px 8px 25px rgba(0,0,0,0.15);
  width: 100%;
  max-width: 420px;
  margin: auto;
}

#header {
      text-align: center;
      padding: 20px;
      background-color: #fff;
      border-bottom: 2px solid #ccc;
      font-size: 24px;
      font-weight: bold;
      color: #555;
    }
.clearfix {clear:both;}
.vedo {
  background-color: #42a5f5 !important;
  font-weight:bold !important;
  color: white !important;
  font-weight: bold;
  border: none;
  border-radius: 6px;
  padding: 10px 20px;
  transition: background-color 0.3s ease;
  width: 100%;
}
.vedo:hover {
  background-color: #1e88e5 !important;
}

.index_footer {
      background-color: #fff;
      border-top: 1px solid #dee2e6;
      color: #869099;
      padding: 1rem;
      text-align: center;
      font-size: 13px;
    }
.form_header{
  font-size: 24px;
  font-weight: bold;
  color: #263238;
  margin-bottom: 25px;
}
.login_change_div{text-align:center; vertical-align:top; margin-bottom:5px}
.username_div{
  display: flex;
  background-color: #42a5f5;
  border-radius: 6px;
  margin-bottom: 20px;
  padding: 0;
  align-items: stretch;
}
.auth_login_div{
  display: flex;
  justify-content:space-around;
  border-radius: 6px;
  margin-bottom: 20px;
  padding: 0;
  align-items: stretch;
}
.username_icon_div{
  width: 45px;
  text-align: center;
  background-color: #64b5f6;
  border-top-left-radius: 6px;
  border-bottom-left-radius: 6px;
}
.username_icon_div i{
  color: #fff;
  font-size: 18px;
  margin-top: 12px;
}
.username_input_div{width: 100%;}
.username_input_div input{
  border: none;
  padding: 12px;
  width: 100%;
  border-top-right-radius: 6px;
  border-bottom-right-radius: 6px;
}
.login_button_div{text-align:center; vertical-align:top;}
.password_remember_a_div a{
  color: #1565c0;
  font-size: 14px;
  text-decoration: none;
}
.password_remember_a_div a:hover {
  text-decoration: underline;
}

.non_corparate_login,.corparate_login,.auth_login{display:none;}
.left_bottom_logo{max-width:400px; width:100%; float:left; margin-bottom:50px}
.login_change_div{text-align:left; vertical-align:top; margin-bottom:20px; background-color:#17a2b8;}
.login_change_icon_div{display:inline-table; width:40px; text-align:center; vertical-align:top; background-color:#17a2b8;}
.login_change_icon_div i{font-size:24px; margin:0; padding:0; color:#FFF; margin-top:7px}
.login_change_button_div{display:inline-table; width:calc(100% - 40px); vertical-align:top}
.login_change_button_div button{border-radius:0;}
.password_remember_link:hover {text-decoration:underline;}
.captcha_div{text-align:center; vertical-align:top; margin-bottom:20px;}
.captcha_div_captcha{background:#000}
.captcha_div_input_div input{border-radius:0px !important; border:0px !important;}
.password_remember_login {display:none;}
.password_remember_back,.resend_email{text-align:right; margin-top:5px}
.password_remember_back i,.resend_email i {transform: rotateY(180deg);}
.password_remember_preview {display:none;}
@media (max-width: 576px) {
  #sutun3 {
    padding: 20px;
  }

  .form_header {
    font-size: 20px;
  }

  .username_icon_div i {
    font-size: 16px;
    margin-top: 10px;
  }

  .index_footer {
    font-size: 12px;
    padding: 0.8rem;
  }
}

.form-control:focus {
    color: var(--bs-body-color) !important;
    background-color: #f9f9f9!important;
    border-color: #86b7fe!important;
    outline: 0!important;
    box-shadow: 0 0 0 0.25rem rgb(13 110 253 / 25%)!important;
}
.form-control::-webkit-input-placeholder{color:#000 !important;opacity:1}.form-control::-moz-placeholder{color:#000 !important;opacity:1}.form-control:-ms-input-placeholder{color:#000 !important;opacity:1}.form-control::-ms-input-placeholder{color:#000 !important;opacity:1}.form-control::placeholder{color:#000 !important;opacity:1}.form-control:disabled,.form-control[readonly]{background-color:#e9ecef;opacity:1}input[type=date].form-control,input[type=datetime-local].form-control,input[type=month].form-control,input[type=time].form-control{-webkit-appearance:none;-moz-appearance:none;appearance:none}select.form-control:focus::-ms-value{color:#495057;background-color:#fff}.form-control-file,.form-control-range{display:block;width:100%}