/* 文字留在原生单选控件内，插画提供每种来信的视觉识别。 */
.paper .kinds {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(6px, 1.5vw, 14px);
  margin: 8px 0 16px;
}
.kinds > label {
  display: block;
  min-width: 0;
}
.kinds .kind-card {
  --ink: #f2ca89;
  position: relative;
  display: grid;
  grid-template-rows: auto auto;
  padding: 0;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid #71647b;
  background: #1d1b29;
  border-radius: 9px;
  color: #e4dce5;
  box-shadow: 0 3px 12px #08071040;
}
.kinds input[value="memory"] + .kind-card { --ink: #a9d8ed }
.kinds input[value="future"] + .kind-card { --ink: #cbb9ec }
.kinds .kind-illustration {
  display: block;
  width: 100%;
  aspect-ratio: 1.52;
  object-fit: cover;
  object-position: center;
}
.kinds .kind-label {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(12px, 1.65vw, 16px);
  font-weight: 600;
  letter-spacing: .06em;
}
.kinds input:checked + .kind-card {
  border-color: var(--ink);
  color: var(--ink);
  background: #2a2534;
  box-shadow: 0 0 0 1px var(--ink), 0 4px 16px #09051355;
}
.kinds input:checked + .kind-card::after {
  content: "✓";
  position: absolute;
  right: 5px;
  top: 5px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border: 1px solid #fff7;
  border-radius: 50%;
  color: #211d28;
  background: var(--ink);
  font: bold 13px/1 system-ui, sans-serif;
}
.kinds input:focus-visible + .kind-card { outline: 3px solid #fff3cb; outline-offset: 3px }
@media (hover: hover) {
  .kinds label:hover .kind-card { border-color: var(--ink) }
}
@media (max-width: 420px) {
  .kinds .kind-label { min-height: 31px; letter-spacing: 0 }
}