button, .button, input[type="submit"] {
  display: inline-block;
  font-size: 1em;
  font-family: var(--font-stack);
  font-weight: var(--font-weight-bold);
  background-color: var(--color-primary);
  color: var(--color-background);
  border: .2rem solid var(--color-secondary);
  border-radius: var(--border-radius);
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  padding: .4em .8em;
  min-height: 1.2em;
  outline: 0;
  box-shadow: var(--color-secondary) 0 .4rem 0 .1rem;
  transition: box-shadow 150ms ease-out;
}
button:hover, .button:hover, input[type="submit"]:hover {
  box-shadow: var(--color-secondary) 0 .4rem 0 .1rem;
}
button:active, .button:active, input[type="submit"]:active {
  box-shadow: var(--color-secondary) 0 -.2rem 0 .1rem;
  transform: translateY(.6rem);
}


/* FORM INPUTS -------------------- */
input, textarea, select {
  font-family: var(--font-stack);
  background-color: var(--color-background);
  color: var(--color-body);
  border: .1rem solid var(--color-panel);
  box-shadow: none;
  padding: 1rem;
  width: 100%;
  font-size: 2rem;
}
*:focus {
  outline: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--color-primary);
}
abbr[title='required'] {
  color: var(--color-red);
  text-decoration: none;
}
.input-error > label {
  color: var(--color-red);
}
.input-error > input, .input-error > select, .input-error > textarea, .border-red {
  border-color: var(--color-red);
}

/* FORM ROW -------------------- */
.form-row {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: .5rem;
}
.form-row > label  {
  min-width: 12rem;
  text-align: right;
  line-height: 2.0rem;
  margin-right: .75rem;
}
.form-row > * {
  margin: .75rem 0 .75rem 0.5rem;
}
.tag {
  background-color: var(--color-red);
  display: none;
  position: absolute;
  right: 1rem;
  top: -.6rem;
  padding: 0.1rem 0.8rem;
}

.form-row.show-tag .tag {
  display: block;
}


textarea {
  min-height: 50rem;
  background: #000;
  color: #ddd3e5;
  font-family: Consolas, "Andale Mono WT", "Andale Mono", "Lucida Console", "Lucida Sans Typewriter", "DejaVu Sans Mono", Monaco, "Courier New", Courier, monospace;
}

input[type="checkbox"], input[type="radio"] {
  display: none;
}
input[type="checkbox"] + label, input[type="radio"] + label {
  display: inline-flex;
  align-items: center;
  position: relative;
  padding-left: 2.4rem;
  margin-right: 1rem;
  cursor: pointer;
  user-select: none;
}
input[type="checkbox"] + label > svg, input[type="radio"] + label > svg {
  width: 3.2rem;
  height: 3.2rem;
  margin: 0 1rem 0 -1rem;
}
input[type="checkbox"] + label > .on, input[type="radio"] + label > .on {
  display: none;
}
input[type="checkbox"]:checked + label > .off, input[type="radio"]:checked + label > .off {
  display: none;
}
input[type="checkbox"]:checked + label > .on, input[type="radio"]:checked + label > .on {
  display: block;
}

*:checked + .button {
  color: var(--color-secondary);
}

#q.correct *:checked + .button {
  box-shadow: var(--color-body) 0 .6rem 0 .1rem;
  transform: translateY(-.4rem);
}

#q.wrong *:checked + .button {
  border-color: var(--color-error);
}