html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
  height: 100%;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

.seat-grid {
    display: inline-block;
    padding: 10px;
    background: #f5f5f5;
}

.seat-row {
    display: flex;
}

.seat {
    width: 16px;
    height: 16px;
    margin: 4px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
}

.seat.free { background: black; }
.seat.taken {
    background: red;
    cursor: not-allowed;
}
.border-strong {
    border-width: 2px !important;
}