* {
  box-sizing: border-box;
}

:root {
  font-family: var(--sl-font-sans);
}

html.sl-theme-dark {
  --dark-mode: 1;
  --light-source: 135deg;
  --light-start: var(--sl-color-neutral-300);
  --light-stop: var(--sl-color-neutral-50);
}

html.sl-theme-light {
  --dark-mode: 0;
  --light-source: 325deg;
  --light-start: var(--sl-color-neutral-300);
  --light-stop: var(--sl-color-neutral-100);
  --title-light-start: var(--sl-color-orange-300);
  --divider-color: var(--sl-color-neutral-200);
}

body {
  position: relative;
  width: 100svw;
  height: 100svh;
  margin: 0;
  opacity: 0;

  overflow: hidden;

  transition: 0.25s opacity;
}

body.ready {
  opacity: 1;
}

/* Header */

header {
  width: 100%;
  height: 8rem;
  padding: 0 2rem;

  @media (orientation: portrait) {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
  }

  @media (orientation: landscape) {
    display: grid;
    align-items: center;
  }
}

h1 {
  margin: 0;
  font-size: clamp(var(--sl-font-size-x-large), 6svw, var(--sl-font-size-4x-large));
  color: transparent;
  background-image: linear-gradient(
    var(--light-source),
    var(--sl-color-orange-800),
    var(--sl-color-orange-500),
    var(--title-light-start, var(--sl-color-orange-200))
  );
  background-clip: text;

  @media (orientation: landscape) {
    grid-area: 1 / 1 / 2 / 2;
    justify-self: center;
  }
}

.switch-platform {
  position: relative;
  display: flex;
  align-items: center;
  width: 4.66rem;
  border-radius: var(--sl-border-radius-pill);
  padding: var(--sl-spacing-x-small);
  font-size: var(--sl-font-size-x-large);
  color: var(--sl-color-neutral-400);
  background-color: var(--sl-color-neutral-0);

  @media (orientation: landscape) {
    grid-area: 1 / 1 / 2 / 2;
    justify-self: end;
  }
}

.switch-platform::before {
  z-index: -1;
  position: absolute;
  inset: -2px;
  border-radius: var(--sl-border-radius-pill);
  overflow: hidden;
  background-image: linear-gradient(var(--light-source), var(--light-start), var(--light-stop));
  content: '';
}

.info-link {
  position: absolute;
  top: 4px;
  right: 120%;
}

.info-icon {
  color: var(--sl-color-neutral-300);
}

.theme-switch {
  margin-top: -2px;
  margin-left: var(--sl-spacing-2x-small);
}

.theme-icons {
  display: grid;
  margin-left: var(--sl-spacing-2x-small);
}

.theme-icons > sl-icon {
  grid-area: 1 / 1 / 2 / 2;
  transition: opacity var(--sl-transition-medium);
}

.moon-icon {
  opacity: var(--dark-mode);
}

.sun-icon {
  color: var(--sl-color-primary-600);
  opacity: calc(1 - var(--dark-mode));
}

/* Main */

main {
  width: 100%;
  height: 100%;
  padding-top: var(--sl-spacing-2x-large);
}

.visualization {
  position: relative;
  width: fit-content;
  margin: 0 auto;
}

.all-title {
  position: absolute;
  top: -1rem;
  text-align: center;
}

.all {
  position: relative;
  width: 60svmin;
  aspect-ratio: 1 / 1;
  background-color: var(--sl-color-neutral-0);
  border-radius: var(--sl-border-radius-large);
}

.all::before {
  z-index: -1;
  position: absolute;
  inset: -2px;
  border-radius: var(--sl-border-radius-large);
  overflow: hidden;
  background-image: linear-gradient(var(--light-source), var(--light-start), var(--light-stop));
  content: '';
}

.all::before::before {
  position: absolute;
  top: -1rem;
  color: white;
  content: 'Is this even possible?';
}

.all::part(divider), .all > sl-split-panel::part(divider) {
  background-color: var(--divider-color, var(--sl-color-neutral-100));
}

/* Overlays */

.overlay {
  display: grid;
  place-content: center;
  overflow: hidden;

  transition: opacity var(--sl-transition-fast);
}

.PH-overlay {
  z-index: 1;
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  border: 2px solid var(--sl-color-orange-500);
  border-top-left-radius: var(--sl-border-radius-large);
  border-bottom-left-radius: var(--sl-border-radius-large);
  color: var(--sl-color-orange-500);
  background-color: hsl(24.3 100% 50.5% / 0.1);

  opacity: 0;
  pointer-events: none;
}

.PnH-overlay {
  z-index: 1;
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  border: 2px solid var(--sl-color-primary-500);
  border-top-right-radius: var(--sl-border-radius-large);
  border-bottom-right-radius: var(--sl-border-radius-large);
  color: var(--sl-color-primary-500);
  background-color: hsl(199.7 85.9% 47.7% / 0.1);

  opacity: 0;
  pointer-events: none;
}

.PEgH-overlay {
  z-index: 1;
  position: absolute;
  bottom: 0;
  width: 50%;
  height: 50%;
  border: 2px solid var(--sl-color-orange-300);
  border-bottom-left-radius: var(--sl-border-radius-large);
  color: var(--sl-color-orange-300);
  background-color: hsl(17.1 83.5% 42.7% / 0.1);

  opacity: 0;
  pointer-events: none;
}

.PEgH-overlay > * {
  grid-area: 1 / 1 / 2 / 2;
}

.PEgH-overlay > .PEgH-value {
  opacity: 1;
}

.PEgH-overlay > .PHgE-value {
  opacity: 0;
}

.PEgH-overlay.justE {
  border: 2px solid var(--sl-color-teal-500);
  color: var(--sl-color-teal-500);
  background-color: hsl(173.1 71% 38.3% / 0.1);
}

.PEgH-overlay.justE > .PEgH-value {
  opacity: 0;
}

.PEgH-overlay.justE > .PHgE-value {
  opacity: 1;
}


.PEgnH-overlay {
  z-index: 1;
  position: absolute;
  right: 0;
  bottom: 0;
  width: 50%;
  height: 50%;
  border: 2px solid var(--sl-color-primary-300);
  border-bottom-right-radius: var(--sl-border-radius-large);
  color: var(--sl-color-primary-300);
  background-color: hsl(203.1 80.4% 36.1% / 0.1);

  opacity: 0;
  pointer-events: none;
}

.PEgnH-overlay.justE {
  border: 2px solid var(--sl-color-teal-500);
  color: var(--sl-color-teal-500);
  background-color: hsl(173.1 71% 38.3% / 0.1);
}

.PEgnH-overlay.justE > .PEgnH-value {
  opacity: 0;
}

/* Footer */

footer {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  padding: 1rem;
}

footer::before {
  position: absolute;
  top: -2px;
  right: 0;
  left: 0;
  height: 2px;
  background-image: linear-gradient(45deg, transparent, var(--sl-color-neutral-300), transparent);
  content: '';
}

.overlay-description {
  position: absolute;
  right: 0;
  bottom: 105%;
  left: 0;
  padding: 0 var(--sl-spacing-small);
  text-align: center;
  color: var(--sl-color-orange-500);
}

/* Buttons */

sl-button {
  min-width: 0;
}

.PH-button::part(base) {
  color: var(--sl-color-orange-500);
}

.PH-button::part(base):hover {
  color: var(--sl-color-orange-400);
}

.PH-button::part(base):active {
  color: var(--sl-color-orange-600);
}
.PH-button::part(base):focus-visible {
  color: var(--sl-color-orange-600);
}


.PnH-button::part(base) {
  color: var(--sl-color-primary-500);
}

.PnH-button::part(base):hover {
  color: var(--sl-color-primary-400);
}

.PnH-button::part(base):active {
  color: var(--sl-color-primary-600);
}


.PEgH-button::part(base) {
  color: var(--sl-color-orange-300);
}

.PEgH-button::part(base):hover {
  color: var(--sl-color-orange-200);
}

.PEgH-button::part(base):active {
  color: var(--sl-color-orange-400);
}


.PEgnH-button::part(base) {
  color: var(--sl-color-primary-300);
}

.PEgnH-button::part(base):hover {
  color: var(--sl-color-primary-200);
}

.PEgnH-button::part(base):active {
  color: var(--sl-color-primary-400);
}


.PHgE-button::part(base) {
  color: var(--sl-color-teal-500);
}

.PHgE-button::part(base):hover {
  color: var(--sl-color-teal-400);
}

.PHgE-button::part(base):active {
  color: var(--sl-color-teal-600);
}