@font-face {
  font-family: "Tektur";
  src: url("fonts/tektur.woff2") format("woff2");
  font-weight: 400 900;
  font-display: swap;
}

@font-face {
  font-family: "Share Tech Mono";
  src: url("fonts/share-tech-mono.woff2") format("woff2");
  font-display: swap;
}

:root {
  --bg: #07060f;
  --bg-2: #160c33;
  --cyan: #00f0ff;
  --magenta: #ff2a6d;
  --yellow: #fcee0a;
  --ink: #e6fbff;
  --green: #3cff9e;
  --red: #ff5c7a;
  --dim: #8d9bb4;
  --font-display: "Tektur", system-ui, sans-serif;
  --font-mono: "Share Tech Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  color-scheme: dark;
  font-family: var(--font-mono);
  line-height: 1.5;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  text-align: center;
  background:
    radial-gradient(50rem 32rem at 50% 45%, rgb(255 42 109 / 0.18), transparent 70%),
    radial-gradient(70rem 24rem at 50% 105%, rgb(0 240 255 / 0.2), transparent 70%),
    linear-gradient(var(--bg) 40%, var(--bg-2));

  /* Neon grid floor, vanishing at the horizon line */
  &::before {
    content: "";
    position: fixed;
    z-index: -1;
    top: 66%;
    left: -100%;
    width: 300%;
    height: 30vh;
    background:
      linear-gradient(rgb(0 240 255 / 0.45) 1px, transparent 1px),
      linear-gradient(90deg, rgb(0 240 255 / 0.35) 1px, transparent 1px);
    background-position: 50% 0;
    background-size: 3rem 3rem;
    mask-image: linear-gradient(transparent, #000 40%, #000 70%, rgb(0 0 0 / 0.3));
    transform: perspective(32vh) rotateX(80deg);
    transform-origin: 50% 0;
    pointer-events: none;
  }

  /* CRT scanlines */
  &::after {
    content: "";
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(rgb(255 255 255 / 0.03) 0 1px, transparent 1px 3px);
    pointer-events: none;
  }
}

main {
  position: relative;
  display: grid;
  overflow-x: clip;
  align-content: center;
  justify-items: center;
  gap: clamp(0.75rem, 3svh, 2rem);
  padding: clamp(1rem, 5svh, 3.5rem) 1.25rem 1rem;
}

p {
  margin: 0;
  font-size: 1.25rem;
}

h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.25rem, min(1rem + 5vw, 8svh), 4.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.04em;
  text-wrap: balance;
  text-shadow:
    -0.045em 0 rgb(255 42 109 / 0.85),
    0.045em 0 rgb(0 240 255 / 0.85),
    0 0 0.45em rgb(0 240 255 / 0.45);
}

.tld {
  color: var(--yellow);
}

.deck {
  display: grid;
  justify-items: center;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 3rem);
  width: min(100%, 82rem);

  @media (width >= 64rem) {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }
}

.stage {
  display: grid;
  place-items: center;
  width: min(78vw, 22rem, 44svh);
  aspect-ratio: 1;

  @media (width >= 64rem) {
    width: min(100%, 36rem, 62svh);
  }

  & > * {
    grid-area: 1 / 1;
  }
}

.ring {
  width: 100%;
  height: 100%;
  overflow: visible;
  fill: none;
}

.ring-ticks {
  stroke: rgb(0 240 255 / 0.6);
  stroke-width: 10;
  stroke-dasharray: 0.35 2.65;
}

.ring-arcs {
  stroke: var(--magenta);
  stroke-width: 3;
  stroke-dasharray: 40 5 3 12;
  filter: drop-shadow(0 0 0.35rem var(--magenta));
}

.pizza {
  display: block;
  width: 84%;
  height: auto;
  aspect-ratio: 1;
  filter: drop-shadow(0 0 1.5rem rgb(255 42 109 / 0.5)) drop-shadow(0 0 3rem rgb(0 240 255 / 0.25));
}

.topping {
  transform-box: fill-box;
  transform-origin: center;

  &:hover {
    transform: scale(1.2);
  }
}

/* Hovering or focusing a link makes its matching toppings dance. */
main:has([data-topping="meatball"]:is(:hover, :focus-visible)) .topping.meatball,
main:has([data-topping="mushroom"]:is(:hover, :focus-visible)) .topping.mushroom,
main:has([data-topping="olive"]:is(:hover, :focus-visible)) .topping.olive,
main:has([data-topping="basil"]:is(:hover, :focus-visible)) .topping.basil,
main[data-dance="all"] .topping,
main[data-dance="meatball"] .topping.meatball,
main[data-dance="mushroom"] .topping.mushroom,
main[data-dance="olive"] .topping.olive,
main[data-dance="basil"] .topping.basil {
  transform: scale(1.3);

  @media (prefers-reduced-motion: no-preference) {
    animation: hop 0.5s ease-in-out infinite alternate;
  }
}

.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 1.25rem 0.6rem 0.9rem;
  border: 1px solid rgb(0 240 255 / 0.65);
  background: rgb(0 240 255 / 0.08);
  color: var(--cyan);
  font-size: 1.125rem;
  letter-spacing: 0.15em;
  text-decoration: none;
  text-transform: uppercase;
  text-shadow: 0 0 0.5rem rgb(0 240 255 / 0.6);
  box-shadow:
    0 0 1rem rgb(0 240 255 / 0.25),
    inset 0 0 1rem rgb(0 240 255 / 0.12);

  /* HUD corner brackets */
  &::before,
  &::after {
    content: "";
    position: absolute;
    width: 0.75rem;
    height: 0.75rem;
    border: 2px solid var(--yellow);
    filter: drop-shadow(0 0 0.25rem var(--yellow));
  }

  &::before {
    top: -5px;
    left: -5px;
    border-right: 0;
    border-bottom: 0;
  }

  &::after {
    right: -5px;
    bottom: -5px;
    border-top: 0;
    border-left: 0;
  }

  &:hover {
    background: var(--cyan);
    color: var(--bg);
    text-shadow: none;
    box-shadow: 0 0 1.75rem rgb(0 240 255 / 0.7);
  }

  &:active {
    transform: translateY(1px);
  }

  .icon {
    flex: none;
    width: 1.75rem;
    height: 1.75rem;
  }
}

:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 8px;
}

footer {
  position: relative;
  padding: 1rem 1rem 1.5rem;
  color: rgb(0 240 255 / 0.75);
  font-size: 0.875rem;
  letter-spacing: 0.08em;

  /* Terminal cursor */
  &::after {
    content: "";
    display: inline-block;
    width: 0.55em;
    height: 1.1em;
    margin-left: 0.35em;
    vertical-align: -0.2em;
    background: currentColor;
  }
}

/* Terminal */
.console {
  display: grid;
  gap: 1rem;
  width: 100%;
  max-width: 50rem;
  min-width: 0;
}

.terminal {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  height: clamp(24rem, 68svh, 40rem);
  border: 1px solid rgb(0 240 255 / 0.55);
  background: rgb(5 4 12 / 0.9);
  box-shadow:
    0 0 1.75rem rgb(0 240 255 / 0.18),
    inset 0 0 3rem rgb(255 42 109 / 0.06);
  font-size: 0.875rem;
  line-height: 1.45;
  text-align: left;

  @media (width >= 30rem) {
    font-size: 0.9375rem;
  }

  @media (width >= 64rem) {
    height: min(34rem, 64svh);
  }

  &::before,
  &::after {
    content: "";
    position: absolute;
    z-index: 2;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--yellow);
    filter: drop-shadow(0 0 0.25rem var(--yellow));
    pointer-events: none;
  }

  &::before {
    top: -6px;
    left: -6px;
    border-right: 0;
    border-bottom: 0;
  }

  &::after {
    right: -6px;
    bottom: -6px;
    border-top: 0;
    border-left: 0;
  }

  &:focus-within {
    border-color: var(--yellow);
    box-shadow:
      0 0 2rem rgb(252 238 10 / 0.16),
      inset 0 0 3rem rgb(255 42 109 / 0.06);
  }

  p {
    font-size: inherit;
  }

  .dim {
    color: var(--dim);
  }

  .mag {
    color: var(--magenta);
  }

  .cyan,
  .run,
  .link {
    color: var(--cyan);
  }

  .yellow {
    color: var(--yellow);
  }

  .green {
    color: var(--green);
  }

  .red {
    color: var(--red);
  }

  .blue {
    color: #7cb2ff;
  }

  .bold {
    font-weight: 700;
  }

  .inverse {
    background: var(--cyan);
    color: var(--bg);
  }

  .match {
    background: rgb(252 238 10 / 0.2);
    color: var(--yellow);
  }
}

.term-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.4rem 0.85rem;
  border-bottom: 1px solid rgb(0 240 255 / 0.3);
  background: rgb(0 240 255 / 0.07);
}

.term-title {
  margin: 0;
  overflow: hidden;
  color: var(--cyan);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.term-lights {
  display: flex;
  flex: none;
  gap: 0.45rem;

  i {
    width: 0.6rem;
    height: 0.6rem;
    border: 1px solid var(--magenta);

    &:nth-child(2) {
      border-color: var(--yellow);
    }

    &:nth-child(3) {
      border-color: var(--cyan);
    }
  }
}

.term-screen {
  position: relative;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0.75rem 0.9rem 1rem;
  scrollbar-color: rgb(0 240 255 / 0.4) transparent;
  scrollbar-width: thin;
}

.term-log {
  .ln {
    min-height: 1.45em;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
  }

  a,
  button {
    padding: 0;
    border: 0;
    background: none;
    font: inherit;
    text-align: inherit;
    text-decoration: underline dotted rgb(0 240 255 / 0.55);
    text-underline-offset: 0.22em;
    cursor: pointer;
  }

  a {
    text-decoration-style: solid;
  }

  :is(a, button):hover {
    color: var(--yellow);
    text-decoration-color: currentColor;
  }

  :is(a, button):focus-visible {
    outline: 2px solid var(--yellow);
    outline-offset: 1px;
  }

  .inverse {
    text-decoration: none;
  }
}

.term-fallback {
  color: var(--dim);
  white-space: normal;
}

.term-form {
  display: flex;
  align-items: baseline;

  @media (pointer: coarse) {
    font-size: 1rem;
  }
}

.term-prompt {
  flex: none;
  white-space: pre;
}

.term-cmd {
  position: relative;
  flex: 1;
  min-width: 4ch;
}

.term-input,
.term-mirror {
  font: inherit;
  line-height: inherit;
  letter-spacing: normal;
}

.term-input {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: transparent;
  caret-color: transparent;

  &::selection {
    background: rgb(0 240 255 / 0.35);
    color: transparent;
  }
}

.term-mirror {
  position: absolute;
  inset: 0;
  overflow: hidden;
  white-space: pre;
  pointer-events: none;

  .hl-cmd {
    color: var(--green);
  }

  .hl-bad {
    color: var(--red);
  }

  .hl-flag,
  .hl-str {
    color: var(--yellow);
  }

  .hl-op {
    color: var(--magenta);
  }

  .ghost {
    color: #5f6b82;
  }

  .cursor {
    background: var(--cyan);
    color: var(--bg);
  }
}

.terminal:not(:focus-within) .term-mirror .cursor {
  background: transparent;
  color: inherit;
  outline: 1px solid rgb(0 240 255 / 0.7);
  outline-offset: -1px;
}

.echo {
  .hl-cmd {
    color: var(--green);
  }

  .hl-bad {
    color: var(--red);
  }

  .hl-flag,
  .hl-str {
    color: var(--yellow);
  }

  .hl-op {
    color: var(--magenta);
  }
}

.term-run {
  flex: none;
  margin-left: 0.5rem;
  padding: 0 0.45rem;
  border: 1px solid rgb(0 240 255 / 0.4);
  background: none;
  color: var(--cyan);
  font: inherit;
  line-height: 1.35;
  cursor: pointer;

  &:hover {
    background: var(--cyan);
    color: var(--bg);
  }
}

.term-hint {
  margin-top: 0.25rem;
  color: var(--dim);
  white-space: pre-wrap;
}

.term-status {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  overflow: hidden;
  padding: 0.15rem 0.85rem;
  background: var(--magenta);
  color: var(--bg);
  font-size: 0.8125rem;
  white-space: nowrap;
}

.term-ruler {
  position: absolute;
  visibility: hidden;
  white-space: pre;
  pointer-events: none;
}

.term-keys {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;

  button {
    padding: 0.3rem 0.6rem;
    border: 1px solid rgb(0 240 255 / 0.45);
    background: rgb(0 240 255 / 0.06);
    color: var(--cyan);
    font: inherit;
    font-size: 0.8125rem;
    letter-spacing: 0.04em;
    cursor: pointer;

    &:hover {
      background: var(--cyan);
      color: var(--bg);
      box-shadow: 0 0 1rem rgb(0 240 255 / 0.5);
    }
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (forced-colors: active) {
  .term-input {
    color: CanvasText;
    caret-color: auto;
  }

  .term-mirror {
    display: none;
  }
}

/* 404 page: the pizza with a slice missing. The glow sits on the wrapper so the mask doesn't clip it. */
.slice-missing {
  width: min(100%, 22rem, 45svh);
  filter: drop-shadow(0 0 1.5rem rgb(255 42 109 / 0.5)) drop-shadow(0 0 3rem rgb(0 240 255 / 0.25));

  .pizza {
    width: 100%;
    filter: none;
    mask-image: conic-gradient(from 20deg, transparent 0 45deg, #000 0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  h1 {
    animation: glitch 6s steps(1, end) infinite;
  }

  .pizza {
    animation: toss 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both;
  }

  .ring-ticks {
    animation: spin 60s linear infinite;
  }

  .ring-arcs {
    animation: spin 32s linear infinite reverse;
  }

  .topping {
    transition: transform 0.3s ease;
  }

  .pill {
    transition:
      background-color 0.15s ease,
      color 0.15s ease,
      box-shadow 0.15s ease,
      transform 0.15s ease;
  }

  footer::after {
    animation: blink 1.1s steps(1, end) infinite;
  }

  .terminal:focus-within .term-mirror .cursor {
    animation: cursor-blink 1.1s steps(1, end) infinite;
  }

  .terminal,
  .term-keys button,
  .term-run {
    transition:
      background-color 0.15s ease,
      color 0.15s ease,
      border-color 0.15s ease,
      box-shadow 0.15s ease;
  }
}

@keyframes glitch {
  0%,
  92%,
  100% {
    clip-path: none;
    transform: none;
  }

  93% {
    clip-path: inset(12% 0 48% 0);
    transform: translateX(-0.05em) skewX(-12deg);
  }

  94% {
    clip-path: inset(58% 0 6% 0);
    transform: translateX(0.06em) skewX(10deg);
  }

  95% {
    clip-path: none;
    transform: translateX(-0.02em);
  }

  96% {
    transform: none;
  }
}

@keyframes toss {
  from {
    opacity: 0;
    transform: rotate(-150deg) scale(0.6);
  }
}

@keyframes spin {
  to {
    transform: rotate(1turn);
  }
}

@keyframes hop {
  from {
    transform: scale(1.15) rotate(-10deg);
  }

  to {
    transform: scale(1.35) rotate(10deg);
  }
}

@keyframes cursor-blink {
  50% {
    background: transparent;
    color: inherit;
  }
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}