:root {
  font-family: Arial, sans-serif;
  color: #252622;
  background: #f7f7f2;
  font-synthesis: none;
  --glyph-size: 160px;
  --viewport-width: 100vw;
  --viewport-height: 100vh;
  --viewport-top: 0px;
  --viewport-left: 0px;
  --viewport-bottom: 0px;
  --viewport-right: 0px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  --canvas-background: #f7f7f2;
  background: var(--canvas-background);
  --glyph-ink: #292b25;
  --glyph-shadow: #c7c9bd;
  transition: background .2s, color .2s;
}

body.dark {
  color: #e1e8d7;
  --canvas-background: #090A09;
  --glyph-ink: #dce6cf;
  --glyph-shadow: #58624b;
}

button, input, textarea { font: inherit; color: inherit; -webkit-tap-highlight-color: transparent; }
button, input { touch-action: manipulation; }
button:focus-visible, input:focus-visible { outline: 2px solid #638a2d; outline-offset: 5px; }

.canvas {
  --canvas-padding-limit: 100px;
  height: var(--viewport-height);
  width: var(--viewport-width);
  padding: var(--canvas-padding, 100px) 48px;
  position: fixed;
  top: var(--viewport-top);
  left: var(--viewport-left);
  overflow-x: hidden;
  overflow-y: auto;
  cursor: text;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  outline: none;
  transition: height .18s ease-out, top .18s ease-out;
}
.canvas > .letter-output { flex-shrink: 0; margin-block: auto; }

.top-bar {
  position: fixed;
  top: var(--viewport-top);
  left: var(--viewport-left);
  width: var(--viewport-width);
  padding: 28px 36px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  pointer-events: none;
  z-index: 3;
  transition: top .18s ease-out;
}
.top-copy { grid-column: 2; justify-self: center; max-width: 100%; min-height: 36px; margin: 0; padding: 9px 16px; border-radius: 4px; background: var(--canvas-background); font-family: 'IBM Plex Mono', monospace; font-size: 12px; font-weight: 400; line-height: 18px; text-align: center; color: var(--glyph-ink); white-space: nowrap; pointer-events: auto; transition: background .2s; }
.combination-count { white-space: nowrap; }
.combination-count sup { font-size: .72em; line-height: 0; }
.canvas-tools {
  --control-gap: 12px;
  position: relative;
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0;
  pointer-events: auto;
}

.icon-button { position: relative; display: grid; place-items: center; width: 32px; height: 32px; border: 0; background: none; padding: 6px; color: inherit; cursor: pointer; }
.icon-button svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.theme-toggle { grid-column: 1; grid-row: 1; justify-self: start; width: 36px; height: 36px; border: 0; border-radius: 4px; background: var(--canvas-background); pointer-events: auto; transition: background .2s; }
.download-button, .gif-button { position: relative; min-height: 36px; padding: 9px 16px; border: 1px solid var(--glyph-ink); border-radius: 4px; background: var(--glyph-ink); color: var(--canvas-background); font-family: 'IBM Plex Mono', monospace; font-size: 12px; font-weight: 400; line-height: 16px; cursor: pointer; transition: opacity .15s, background .2s, color .2s; }
.gif-button { width: 56px; padding: 9px 12px; background: var(--canvas-background); color: var(--glyph-ink); }
.download-button:hover { opacity: .85; }
.gif-button:hover > span:first-child { opacity: .85; }
.download-button:disabled { cursor: progress; opacity: .6; }
.gif-button:disabled { cursor: progress; }
.gif-button:disabled > span:first-child { opacity: .6; }
.gif-control { width: 56px; flex-shrink: 0; margin-right: var(--control-gap); opacity: 0; visibility: hidden; pointer-events: none; transform: translateX(8px); transition: opacity .2s linear, transform .2s linear; }
.gif-control.is-visible { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(0); }
.tooltip { position: absolute; top: calc(100% + 8px); right: 0; padding: 7px 10px; border-radius: 4px; background: var(--glyph-ink); color: var(--canvas-background); font-size: 11px; line-height: 1.4; white-space: nowrap; visibility: hidden; opacity: 0; pointer-events: none; transition: opacity .12s; }
:is(.icon-button, .gif-button):hover .tooltip, :is(.icon-button, .gif-button):focus-visible .tooltip, :is(.icon-button, .gif-button)[aria-busy="true"] .tooltip { visibility: visible; opacity: 1; }
.icon-button:disabled { cursor: progress; }
.icon-button:disabled svg { opacity: .5; }

.typing-input { position: fixed; left: calc(var(--viewport-left) + var(--viewport-width) / 2); top: calc(var(--viewport-top) + var(--viewport-height) / 2); width: 1px; height: 1px; opacity: 0; resize: none; padding: 0; border: 0; font-size: 16px; overflow: hidden; }
.letter-output { width: 100%; position: relative; text-align: center; line-height: 0; overflow-wrap: anywhere; --render-size: var(--glyph-size); }
.export-measurement { position: fixed; top: 0; left: 0; visibility: hidden; pointer-events: none; }
.confetti-canvas { position: fixed; top: var(--viewport-top); left: var(--viewport-left); width: var(--viewport-width); height: var(--viewport-height); pointer-events: none; z-index: 2; }
.anagram-status { position: fixed; bottom: calc(var(--viewport-bottom) + max(24px, env(safe-area-inset-bottom))); left: calc(var(--viewport-left) + var(--viewport-width) / 2); transform: translateX(-50%); font-family: 'IBM Plex Mono', monospace; font-size: 11px; font-weight: 400; line-height: 1.5; letter-spacing: .12em; color: var(--glyph-ink); opacity: .75; white-space: nowrap; pointer-events: none; z-index: 3; transition: bottom .18s ease-out; }
.glyph { display: inline-block; width: calc(var(--render-size) * 24 / 42); height: var(--render-size); margin-right: calc(var(--render-size) * 6 / 42); vertical-align: top; position: relative; user-select: none; }
.glyph svg { position: relative; z-index: 1; width: 100%; height: 100%; overflow: visible; transform-origin: 50% 50%; transform-box: border-box; }
.glyph:last-child, .glyph:has(+ .end-caret) { margin-right: 0; }
.glyph.space { width: calc(var(--render-size) * 18 / 42); }
.glyph.selected { background: #bfe98366; }
.glyph.break { width: 0; margin: 0; }
.glyph.before-caret::before, .end-caret::after { content: ''; position: absolute; left: -5px; top: -5%; height: 110%; width: 2px; background: currentColor; animation: blink 1s step-end infinite; }
.end-caret { position: relative; display: inline-block; height: var(--render-size); width: 0; vertical-align: top; }
.end-caret::after { left: 2px; }
.letter-output:not(.focused) .end-caret::after, .letter-output:not(.focused) .before-caret::before { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

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

@media (max-width: 840px), (pointer: coarse) {
  .top-bar { grid-template-columns: minmax(0, 1fr) auto; padding: 20px 20px 0; }
  .top-copy { position: fixed; top: auto; bottom: calc(var(--viewport-bottom) + max(20px, env(safe-area-inset-bottom))); left: calc(var(--viewport-left) + var(--viewport-width) / 2); width: max-content; max-width: calc(var(--viewport-width) - 40px); transform: translateX(-50%); font-size: clamp(9.5px, 2.8vw, 11px); white-space: normal; transition: background .2s, bottom .18s ease-out; }
  .canvas-tools { grid-column: 2; grid-row: 1; }
  .anagram-status { bottom: calc(var(--viewport-bottom) + max(20px, env(safe-area-inset-bottom)) + 52px); }
}

@media (max-width: 760px) {
  .canvas { --canvas-padding-limit: 88px; padding: var(--canvas-padding, 88px) 24px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}