:root {
  --input-padding-x: 1.5rem;
  --input-padding-y: .75rem;
}
body {
  overflow: hidden;
}
.card-signin {
  border: 0;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(6, 61, 131, 0.08);
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(6px);
}
div.container {margin-top: 10%;}
.card-signin .card-title {
  margin-bottom: 2rem;
  font-weight: 700;
  font-size: 1.5rem;
  color: #1c3870;
  letter-spacing: 0.5px;
}
.card-signin .card-body {padding: 2rem;}
.card-signin .card-header {
  background: transparent;
  border-bottom: 1px solid rgba(28, 56, 112, 0.12);
}
.form-signin {width: 100%;}
.form-signin .btn {
  font-size: 80%;
  border-radius: 5rem;
  letter-spacing: .1rem;
  font-weight: bold;
  padding: 1rem;
  transition: all 0.2s;
  background-color: #1c3870;
  border-color: #1c3870;
}
.form-signin .btn:hover,
.form-signin .btn:focus {
  background-color: #163260;
  border-color: #163260;
  box-shadow: 0 4px 12px rgba(28, 56, 112, 0.28);
}
.form-label-group {position: relative;margin-bottom: 1rem;}
.form-label-group input {
  border-radius: 2rem;
  border: 1px solid rgba(28, 56, 112, 0.25);
  background: rgba(255, 255, 255, 0.75);
  color: #1c3870;
  font-size: 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-label-group input:focus {
  border-color: #1c3870;
  box-shadow: 0 0 0 3px rgba(28, 56, 112, 0.12);
  background: #fff;
}
.form-label-group input::placeholder {color: rgba(28, 56, 112, 0.45);}
.form-signin a {
  color: #1c3870;
  font-weight: 600;
  font-size: 13px;
  text-decoration: none;
  transition: opacity 0.15s;
}
.form-signin a:hover {
  opacity: 0.65;
  text-decoration: underline;
}
#logo {
  position: fixed;
  top: 20px;
  left: 20px;
  width: 250px;
}
.modal-body .alert {margin-top: 10px;display: none;}
.modal-content {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 48px rgba(6, 61, 131, 0.18);
}
.modal-header {
  border-bottom: 1px solid rgba(28, 56, 112, 0.12);
  padding: 18px 24px;
}
.modal-title {
  color: #1c3870;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.3px;
}
.modal-body {padding: 20px 24px;color: #1c3870;font-size: 14px;}
.modal-footer {border-top: 1px solid rgba(28, 56, 112, 0.1);padding: 14px 24px;}
.modal-footer .btn-secondary {
  background: rgba(28, 56, 112, 0.08);
  border: 1px solid rgba(28, 56, 112, 0.2);
  color: #1c3870;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13px;
  transition: background 0.15s;
}
.modal-footer .btn-secondary:hover {
  background: rgba(28, 56, 112, 0.16);
}
.alert-danger {
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
}