:root {
  --bg: #000;
  --fg: #ece4c8;
  --dim: rgba(236, 228, 200, 0.45);
  /* controls */
  --btn-fg: #d0d0d0; /* soft gray: AA over black and over the darkened glass on the shirt */
  --btn-fg-hover: #ececec;
}
* { box-sizing: border-box; }
/* there for screen readers and search, not shown */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  overflow: hidden;
  font-family: "Inter Tight", system-ui, sans-serif;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}
#stage {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
  opacity: 0; /* revealed once the shirt has loaded */
  transition: opacity 0.35s ease;
}
#stage.in { opacity: 1; }
#stage.dragging { cursor: grabbing; }

#loading {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  transition: opacity 0.22s ease-in;
  pointer-events: none;
}
#loading.done { opacity: 0; }
.name-fill { width: min(180px, 44vw); height: auto; animation: loader-in 0.4s ease-out both; }
@keyframes loader-in { from { opacity: 0; } }
.name-fill .ink { fill: #6d7160; } /* the shirt's sage as it renders */
.name-fill .ghost { fill: #6d7160; opacity: 0.32; }

/* ---------- bottom corners ---------- */
.corner {
  position: fixed;
  bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transition: opacity 0.4s ease 0.35s; /* after the shirt lands */
}
body.ready .corner { opacity: 1; }
/* a pinch that starts on a button shouldn't zoom the page (taps still work) */
.corner { touch-action: none; }
.corner.left { left: 20px; }
.corner.right { right: 20px; }

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0;
  color: var(--btn-fg);
  font: inherit;
  text-decoration: none;
  /* the glass itself (refraction, frost, rim, top lip) is drawn in WebGL
     behind each button, see syncGlass() in main.js; the element just carries
     the label */
  background: transparent;
  border: 0;
  cursor: pointer;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  transition: color 0.22s ease, transform 0.22s ease;
}
.btn:active { transform: scale(0.97); }
.btn:hover { color: var(--btn-fg-hover); }
.btn:focus-visible { outline: 2px solid var(--btn-fg); outline-offset: 3px; }
.pill { padding: 0 16px; border-radius: 999px; font-size: 14px; font-weight: 500; white-space: nowrap; }
.round { width: 36px; border-radius: 50%; }
.btn svg { width: 13px; height: 13px; }
.btn svg.solid { width: 14px; height: 14px; fill: currentColor; }

/* tooltip: a light pill above the button with a little pointer */
.tip-wrap { position: relative; display: inline-flex; }
.tooltip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 12px);
  /* swings round the flip button's centre (30px below the bubble):
     in counter-clockwise, out clockwise, mirroring the links on the right */
  transform: translateX(-50%) rotate(50deg);
  transform-origin: 50% calc(100% + 30px);
  padding: 7px 11px;
  border-radius: 8px;
  background: #f3f2ec;
  color: #141414;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  /* leaving: lingers 0.25s, then winds back and fades */
  transition: opacity 0.18s ease-in 0.31s, transform 0.3s cubic-bezier(0.5, 0, 0.75, 0) 0.25s;
}
.tooltip::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 100%;
  margin-left: -6px;
  border: 6px solid transparent;
  border-top-color: #f3f2ec;
  border-bottom: 0;
}
.tip-wrap:hover .tooltip,
.tip-wrap:has(:focus-visible) .tooltip {
  opacity: 1;
  transform: translateX(-50%) rotate(0deg);
  /* arriving: a short pause first, so passing over the button doesn't flash it */
  transition: opacity 0.2s ease 0.35s, transform 0.5s cubic-bezier(0.2, 0.9, 0.25, 1) 0.35s;
}
.tip-wrap.tip-hidden .tooltip { opacity: 0; transition: opacity 0.12s ease; } /* Escape: gone at once */

/* ---------- links orbiting the ? button ---------- */
/* --a: how far each item has turned around the button */
@property --a { syntax: '<angle>'; inherits: false; initial-value: 0deg; }

.orbit-ring {
  position: absolute;
  right: calc(18px - 110px); /* svg centre on the ? button's centre */
  bottom: calc(18px - 110px);
  width: 220px;
  height: 220px;
  overflow: visible;
  pointer-events: none;
}
.orbit-item {
  transform-box: view-box;
  transform-origin: 0 0; /* user-space origin = the button's centre */
  transform: rotate(var(--a));
  /* closed: a turn back from where it rests */
  --a: calc(var(--to) - 90deg);
  opacity: 0;
  visibility: hidden;
  /* closing winds back anticlockwise, last out first in; it turns visibly
     first and only fades over the last part of the turn */
  transition:
    --a 0.5s cubic-bezier(0.45, 0, 0.55, 1) calc((2 - var(--i)) * 35ms),
    opacity 0.22s ease-in calc((2 - var(--i)) * 35ms + 0.2s),
    visibility 0s linear 0.65s;
}
.orbit.open .orbit-item {
  --a: var(--to);
  opacity: 1;
  visibility: visible;
  /* opening sweeps clockwise, one after another */
  transition:
    --a 0.6s cubic-bezier(0.2, 0.9, 0.25, 1) calc(var(--i) * 50ms),
    opacity 0.25s ease calc(var(--i) * 50ms),
    visibility 0s;
}
/* icons start on the left of the circle, turned so their tops face outward
   and their bases point at the button, like the letters of the word */
.orbit-item .facing {
  transform-box: view-box;
  transform-origin: 0 0;
  transform: translate(-58px, 0) rotate(-90deg);
}
.orbit-item a { pointer-events: auto; color: var(--btn-fg); fill: currentColor; transition: color 0.22s ease, opacity 0.22s ease; }
.orbit-item a:hover { color: var(--btn-fg-hover); }
/* pointing at one link quietly steps the others back */
.orbit-ring:has(a:hover, a:focus-visible) a:not(:hover, :focus-visible) { opacity: 0.35; }
.orbit-item a:focus { outline: none; }
/* keyboard focus: a ring round an icon, a curved underline under the word */
.orbit-item .focus-arc { fill: none; stroke: transparent; stroke-width: 1.5; stroke-linecap: round; }
.orbit-item a:focus-visible circle.hit,
.orbit-item a:focus-visible .focus-arc { stroke: currentColor; }
.orbit-item text { font-size: 14px; font-weight: 500; letter-spacing: 0.01em; }
.orbit-ring { filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.5)); }
/* generous invisible targets: a band under the word, a disc under each icon */
.orbit-item path.hit { fill: none; stroke: transparent; stroke-width: 26; stroke-linecap: round; }
.orbit-item circle.hit { fill: transparent; stroke: transparent; stroke-width: 1.5; }
/* keep the hover alive across the gaps between the links */
.orbit.open::before {
  content: '';
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 130px;
  height: 130px;
  border-top-left-radius: 100%;
}

@media (prefers-reduced-motion: reduce) {
  .orbit-item, .orbit.open .orbit-item {
    --a: var(--to);
    transition: opacity 0.15s ease, visibility 0s linear 0.15s;
  }
  .orbit.open .orbit-item { transition: opacity 0.15s ease; }
  .btn, .tooltip { transition: none; }
  .name-fill { animation: none; }
  .btn:active { transform: none; }
}