/* =========================
   ICON

How to use:
  <button class="control">
    <span
      class="icon rotate-90"
      data-icon="chevron"
      aria-hidden="true">
    </span>
  </button>

  <button class="control">
    <span
      class="icon rotate-45"
      data-icon="arrow"
      aria-hidden="true">
    </span>
  </button>

  <a
    href="#top"
    class="control control--fixed is-bottom-right">

    <span
      class="icon rotate-0"
      data-icon="arrow"
      aria-hidden="true">
    </span>

    <span class="sr-only">
      Back to top
    </span>
  </a>

Also available:
  <span class="icon rotate-135" data-icon="arrow"></span>
  <span class="icon icon--em rotate-180" data-icon="arrow"></span>
  <span class="icon icon-16" data-icon="chevron"></span>
========================= */

.icon {
  --icon-size: 24px;
  --icon-rotation: 0deg;

  width: var(--icon-size);
  height: var(--icon-size);

  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon--em {
  --icon-size: 1em;
}

.icon-16 {
  --icon-size: 16px;
}

.icon-24 {
  --icon-size: 24px;
}

.icon-32 {
  --icon-size: 32px;
}

.icon svg {
  width: 100%;
  height: 100%;

  display: block;

  transform: rotate(var(--icon-rotation));
  transform-box: fill-box;
  transform-origin: center;

  transition: transform 0.2s ease;
}

/* =========================
   CONTROL
========================= */

.control {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 48px;
  height: 48px;

  border: 0;
  border-radius: 12px;

  background-color: rgba(35, 205, 205, 0.3);

  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.control--fixed {
  position: fixed;
  z-index: 20;
}

.is-bottom-right {
  right: 10px;
  bottom: 10px;
}

.control--arrow {
  color: var(--color-icon);
}


/* =========================
   GLOBAL ROTATION UTILITIES
========================= */

.rotate-0   { --icon-rotation: 0deg; }
.rotate-15  { --icon-rotation: 15deg; }
.rotate-30  { --icon-rotation: 30deg; }
.rotate-45  { --icon-rotation: 45deg; }
.rotate-60  { --icon-rotation: 60deg; }
.rotate-75  { --icon-rotation: 75deg; }
.rotate-90  { --icon-rotation: 90deg; }

/* continue */

.rotate-180 { --icon-rotation: 180deg; }
.rotate-195 { --icon-rotation: 195deg; }
.rotate-270 { --icon-rotation: 270deg; }

/* etc */

.rotate-345 { --icon-rotation: 345deg; }
.rotate-360 { --icon-rotation: 360deg; }


/* =========================
   GLOBAL DIRECTION UTILITIES
========================= */

.flex-row { flex-direction: row;}
.flex-col { flex-direction: column;}

/* =========================
   THEME CONTROLS
========================= */

.theme-switcher {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--theme-divider, #D9D9D9);
  border-radius: 15px;
  background: color-mix(in srgb, var(--theme-surface, #fff) 88%, var(--theme-accent, #FA4D7E) 12%);
}

.theme-switcher__button {
  appearance: none;
  border: 0;
  border-radius: 12px;
  min-width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  padding: 0 6px;
  background: transparent;
  color: var(--theme-text, var(--color-text));
  cursor: pointer;
  font: 600 10px/1 var(--font-sans);
  text-transform: uppercase;
  transition:
    background var(--motion-fast) var(--ease-standard),
    color var(--motion-fast) var(--ease-standard),
    transform var(--motion-fast) var(--ease-standard);
}

.theme-switcher__button:hover,
.theme-switcher__button:focus-visible {
  color: var(--color-accent);
  transform: translateY(-1px);
}

.theme-switcher__button:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.theme-switcher__button.is-active {
  background: var(--theme-surface, #fff);
  color: var(--color-accent);
  box-shadow: 0 1px 2.4px rgba(0, 0, 0, 0.16);
}