keyboard stuff, styling things

src/lib/style/form/_button.scss

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+a {
+  text-decoration: none;
+}
+
+a,
+label:has(input),
+button {
+  cursor: pointer;
+
+  display: flex;
+  gap: 4px;
+  align-items: center;
+  justify-content: center;
+
+  width: max-content;
+  height: 48px;
+  padding-block: 8px;
+  padding-inline: 16px;
+
+  font-family: inherit;
+  font-weight: 600;
+  color: currentcolor;
+
+  background: transparent;
+  border: none;
+  border-radius: 32px;
+
+  transition: all 250ms ease;
+
+  &.icon {
+    aspect-ratio: 1;
+    padding-block: 0;
+    padding-inline: 0;
+
+    font-size: 24px;
+
+    border-radius: 50%;
+  }
+
+  &.primary {
+    color: var(--md-sys-color-on-primary);
+    background: var(--md-sys-color-primary);
+  }
+}
+
+label:has(input):hover,
+.button:hover:not(:active),
+a:hover:not(:active),
+button:hover:not(:active) {
+  filter: brightness(70%);
+  transition: filter 250ms ease;
+
+  &:has(:checked),
+  &.active {
+    filter: brightness(120%);
+  }
+
+  &:disabled,
+  &.disabled {
+    opacity: 0.5;
+    filter: none;
+  }
+}
+
+.disabled,
+:disabled {
+  pointer-events: none;
+  opacity: 0.5;
+}

src/lib/style/form/_toggle.scss

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+$padding: 3px;
+$border: 2px;
+$height: 1.5em;
+
+label:has(input[type="checkbox"]) {
+  cursor: pointer;
+  user-select: none;
+
+  display: flex;
+  gap: $padding;
+  align-items: center;
+  justify-content: center;
+
+  font-size: 12px;
+
+  input[type="checkbox"] {
+    $width: calc($height * (5 / 3));
+    $diameter: calc($height - ((2 * $padding) + (2 * $border)));
+    $radius: calc($diameter / 2);
+
+    cursor: pointer;
+
+    position: relative;
+
+    overflow: hidden;
+    display: flex;
+
+    width: $width;
+    height: $height;
+
+    font-size: inherit;
+    color: inherit;
+
+    border-radius: calc($height / 2);
+    outline: $border solid currentcolor;
+    outline-offset: calc(-1 * $border);
+
+    &::after {
+      content: "";
+
+      position: absolute;
+      top: calc($padding + $border);
+      left: calc($padding + $border);
+
+      display: block;
+
+      width: $diameter;
+      height: $diameter;
+
+      border-radius: calc($radius);
+      outline-color: inherit;
+      outline-style: solid;
+      outline-width: $radius;
+      outline-offset: calc(-1 * $radius);
+
+      transition: all 250ms ease;
+    }
+
+    &:checked::after {
+      translate: calc($width - 2 * $diameter - $padding / 2) 0;
+      outline-width: calc($width - ($height - $border) + $padding);
+      outline-offset: calc($padding / 2);
+    }
+  }
+}