/* Component-only styles; inherit the host's data-theme without changing it. */
.oc-arc {
  --arc-ink:#f4f4f5;
  --arc-glass:rgb(48 49 53 / .36);
  --arc-sheen:rgb(255 255 255 / .14);
  --arc-edge:rgb(255 255 255 / .28);
  --arc-inner:rgb(255 255 255 / .09);
  --arc-button:rgb(14 15 18 / .74);
  --arc-shadow:rgb(0 0 0 / .5);
  --arc-selected:rgb(255 255 255 / .17);
  position:relative;
  display:block;
  width:300px;
  max-width:100%;
  aspect-ratio:1;
  color:var(--arc-ink);
  isolation:isolate;
}
:root[data-theme="light"] .oc-arc {
  --arc-ink:#191b20;
  --arc-glass:rgb(255 255 255 / .34);
  --arc-sheen:rgb(255 255 255 / .76);
  --arc-edge:rgb(47 50 56 / .23);
  --arc-inner:rgb(255 255 255 / .7);
  --arc-button:rgb(255 255 255 / .72);
  --arc-shadow:rgb(45 48 55 / .18);
  --arc-selected:rgb(25 27 32 / .12);
}
@media(prefers-color-scheme:light) {
  :root:not([data-theme]) .oc-arc {
    --arc-ink:#191b20; --arc-glass:rgb(255 255 255 / .34);
    --arc-sheen:rgb(255 255 255 / .76); --arc-edge:rgb(47 50 56 / .23);
    --arc-inner:rgb(255 255 255 / .7); --arc-button:rgb(255 255 255 / .72);
    --arc-shadow:rgb(45 48 55 / .18); --arc-selected:rgb(25 27 32 / .12);
  }
}
.oc-arc *, .oc-arc *::before, .oc-arc *::after { box-sizing:border-box; }
.oc-arc[external-trigger][data-collapsed] { visibility:hidden; pointer-events:none; }
.oc-arc__shape, .oc-arc__edge, .oc-arc__glass {
  position:absolute; inset:0; width:100%; height:100%; pointer-events:none;
}
.oc-arc__glass {
  border:0;
  padding:0;
  cursor:pointer;
  pointer-events:auto;
  background:linear-gradient(145deg,var(--arc-sheen),transparent 48%),var(--arc-glass);
  -webkit-backdrop-filter:blur(22px) saturate(110%);
  backdrop-filter:blur(22px) saturate(110%);
}
.oc-arc__glass:focus-visible { background:var(--arc-selected); }
.oc-arc__glass:disabled { cursor:default; pointer-events:none; }
.oc-arc__actions { position:absolute; inset:0; pointer-events:none; }
.oc-arc__line-trigger {
  position:absolute; left:79.05%; top:20.86%; width:14.6667%; height:33.3333%;
  transform:translate(-50%,-50%) rotate(-9deg);
  border:0; padding:0; border-radius:8px; background:transparent; color:var(--arc-ink);
  cursor:pointer;
}
.oc-arc__line-trigger[hidden] { display:none; }
.oc-arc__line-trigger:focus-visible { outline:2px solid var(--arc-ink); outline-offset:3px; }
.oc-arc__edge { overflow:visible; fill:none; stroke-width:1; }
.oc-arc__outline { stroke:var(--arc-edge); }
.oc-arc__shine { stroke:var(--arc-sheen); stroke-linecap:round; }
.oc-arc__inner { stroke:var(--arc-inner); }
.oc-arc__button {
  position:absolute;
  top:64.913%;
  width:18.6667%;
  aspect-ratio:1;
  display:grid;
  place-items:center;
  padding:0;
  border:1px solid var(--arc-edge);
  border-radius:50%;
  background:linear-gradient(145deg,var(--arc-sheen),transparent 50%),var(--arc-button);
  color:var(--arc-ink);
  box-shadow:0 7px 15px -5px var(--arc-shadow),inset 0 1px 0 var(--arc-inner);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  opacity:var(--reveal,0);
  transform:translate(calc(-50% - var(--reveal-offset,0px)),-50%);
  pointer-events:auto;
  cursor:pointer;
  -webkit-tap-highlight-color:transparent;
  transition:transform .25s ease,background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.oc-arc__button::after {
  content:''; position:absolute; inset:4px; border:1px solid var(--arc-inner);
  border-radius:50%; pointer-events:none;
}
.oc-arc__button--touch { left:24.648%; }
.oc-arc__button--talk { left:40.503%; top:40.503%; }
.oc-arc__button--heart { left:64.913%; top:24.648%; }
.oc-arc__button svg {
  display:block; width:49%; height:49%; fill:none; stroke:currentColor;
  stroke-width:1.65; stroke-linecap:round; stroke-linejoin:round;
  pointer-events:none;
}
.oc-arc__button:hover {
  transform:translate(-50%,calc(-50% - 3px));
  border-color:var(--arc-ink);
  box-shadow:0 10px 20px -5px var(--arc-shadow),inset 0 1px 0 var(--arc-inner);
}
.oc-arc__button:active { transform:translate(-50%,-50%) scale(.94); }
.oc-arc__button[aria-pressed="true"] {
  border-color:var(--arc-ink);
  background:linear-gradient(var(--arc-selected),var(--arc-selected)),var(--arc-button);
}
.oc-arc__button:focus-visible { outline:2px solid var(--arc-ink); outline-offset:4px; }
.oc-arc__heart { transition:fill .2s ease; }
.oc-arc__button[aria-pressed="true"] .oc-arc__heart { fill:currentColor; }
@media(prefers-reduced-motion:reduce) {
  .oc-arc__button,.oc-arc__heart { transition:none; }
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))) {
  .oc-arc__glass { background:var(--arc-button); }
}

/* --- HUD readout: a leader line grows out of the initial radial line's right end,
   blinks twice, then carries a seven-segment clock above and the date below. --- */
.oc-arc { container-type:inline-size; }
.oc-arc__hud {
  position:absolute;
  left:81%;
  top:34%;
  z-index:2;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:1.5cqw;
  transform:translateY(-50%);
  opacity:0;
  pointer-events:none;
}
.oc-arc__hud-line {
  display:block;
  width:43cqw;
  height:max(1.4px,.55cqw);
  background:linear-gradient(90deg,var(--arc-edge) 0%,var(--arc-edge) 62%,transparent 100%);
  transform:scaleX(0);
  transform-origin:left center;
}
.oc-arc__hud-time,
.oc-arc__hud-date {
  display:flex;
  align-items:center;
  gap:.5cqw;
  opacity:0;
}
.oc-arc__hud-digit {
  position:relative;
  display:block;
  width:4.1cqw;
  height:7.1cqw;
}
.oc-arc__hud-seg {
  position:absolute;
  display:block;
  background:var(--arc-hud-ghost,rgb(255 255 255 / .1));
}
.oc-arc__hud-seg.is-on {
  background:var(--arc-ink);
  box-shadow:0 0 .9cqw rgb(255 255 255 / .32);
}
.oc-arc__hud-seg--a { top:0; left:14%; width:74%; height:12.6%; clip-path:polygon(7% 0,93% 0,100% 50%,93% 100%,7% 100%,0 50%) }
.oc-arc__hud-seg--b { top:12%; right:0; width:21%; height:29%; clip-path:polygon(50% 0,100% 8%,100% 92%,50% 100%,0 92%,0 8%) }
.oc-arc__hud-seg--c { bottom:12%; right:0; width:21%; height:29%; clip-path:polygon(50% 0,100% 8%,100% 92%,50% 100%,0 92%,0 8%) }
.oc-arc__hud-seg--d { bottom:0; left:14%; width:74%; height:12.6%; clip-path:polygon(7% 0,93% 0,100% 50%,93% 100%,7% 100%,0 50%) }
.oc-arc__hud-seg--e { bottom:12%; left:0; width:21%; height:29%; clip-path:polygon(50% 0,100% 8%,100% 92%,50% 100%,0 92%,0 8%) }
.oc-arc__hud-seg--f { top:12%; left:0; width:21%; height:29%; clip-path:polygon(50% 0,100% 8%,100% 92%,50% 100%,0 92%,0 8%) }
.oc-arc__hud-seg--g { top:45.2%; left:14%; width:74%; height:12.6%; clip-path:polygon(7% 0,93% 0,100% 50%,93% 100%,7% 100%,0 50%) }
.oc-arc__hud-sep {
  font:700 3.6cqw/1 ui-monospace,monospace;
  color:var(--arc-ink);
  transform:translateY(-.25cqw);
}
.oc-arc__hud.is-live { opacity:1; }
.oc-arc__hud.is-live .oc-arc__hud-line { animation:hud-extend 1s cubic-bezier(.22,.76,.18,1) both; }
.oc-arc__hud.is-live .oc-arc__hud-time,
.oc-arc__hud.is-live .oc-arc__hud-date { animation:hud-rise .3s ease-out .54s both; }
@keyframes hud-extend {
  0% { transform:scaleX(0); opacity:1; }
  34% { transform:scaleX(1); opacity:1; }
  46% { opacity:.14; }
  58% { opacity:1; }
  70% { opacity:.14; }
  82% { opacity:1; }
  100% { transform:scaleX(1); opacity:1; }
}
@keyframes hud-rise {
  from { opacity:0; transform:translateY(1.4cqw); }
  to { opacity:1; transform:none; }
}
/* Light theme: the whole readout flips to black ink, line included. */
:root[data-theme="light"] .oc-arc__hud-line {
  background:linear-gradient(90deg,rgb(25 27 32 / .58) 0%,rgb(25 27 32 / .58) 62%,transparent 100%);
}
:root[data-theme="light"] .oc-arc { --arc-hud-ghost:rgb(25 27 32 / .16); }
:root[data-theme="light"] .oc-arc__hud-seg.is-on { box-shadow:none; }
@media(prefers-reduced-motion:reduce) {
  .oc-arc__hud.is-live .oc-arc__hud-line { animation:none; transform:scaleX(1); }
  .oc-arc__hud.is-live .oc-arc__hud-time,
  .oc-arc__hud.is-live .oc-arc__hud-date { animation:none; opacity:1; }
}

/* Mirrored layout: used when the menu sits right of the character, so the same sweep
   opens toward the right. Content (icons, digits) stays upright. */
.oc-arc[flip] .oc-arc__button--touch { left:75.352%; }
.oc-arc[flip] .oc-arc__button--talk { left:59.497%; }
.oc-arc[flip] .oc-arc__button--heart { left:35.087%; }
.oc-arc[flip] .oc-arc__line-trigger {
  left:20.95%;
  transform:translate(-50%,-50%) rotate(9deg);
}
.oc-arc[flip] .oc-arc__hud {
  left:auto;
  right:81%;
  align-items:flex-end;
}
.oc-arc[flip] .oc-arc__hud-line {
  background:linear-gradient(270deg,var(--arc-edge) 0%,var(--arc-edge) 62%,transparent 100%);
}
.oc-arc[flip] .oc-arc__hud-time,
.oc-arc[flip] .oc-arc__hud-date { justify-content:flex-end; }
:root[data-theme="light"] .oc-arc[flip] .oc-arc__hud-line {
  background:linear-gradient(270deg,rgb(25 27 32 / .58) 0%,rgb(25 27 32 / .58) 62%,transparent 100%);
}

.oc-arc[data-variant="line"] /* ---------------------------------------------------------------------------
   Vertical variant: the fan is replaced by a solid panel that grows downward
   from a thin vertical line, .oc-arc[data-variant="line"] with a short scramble on open.
   --------------------------------------------------------------------------- */
.oc-arc__shape, .oc-arc[data-variant="line"] .oc-arc__edge{ display:none }


.oc-arc[data-variant="line"] .oc-arc__glass{
  left:0;
  top:0;
  width:76px;
  height:100%;
  border-radius:0;
  background:var(--surface-raised,#252b2f);
  border:2px solid var(--arc-frame,rgb(10 10 10 / .92));
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
  transform-origin:top center;
  transform:scaleY(var(--arc-panel,0));
  transition:none
}

.oc-arc[data-variant="line"].is-glitching .oc-arc__glass{ animation:arc-glitch .52s steps(3) 1 }

@keyframes arc-glitch {
  0% { filter:brightness(2.4) contrast(1.5) }
  28% { filter:brightness(.55) contrast(1.2) }
  52% { filter:brightness(1.8) hue-rotate(10deg) }
  74% { filter:brightness(.85) }
  100% { filter:none }
}

.oc-arc[data-variant="line"] .oc-arc__button{
  left:38px;
  width:44px;
  border-radius:0;
  background:var(--arc-button,#e9dcbb);
  border:2px solid var(--arc-frame,rgb(10 10 10 / .92));
  color:var(--arc-ink,#14120d);
  box-shadow:3px 3px 0 rgb(0 0 0 / .5);
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
  transition:background-color .45s ease,color .45s ease,border-color .45s ease,transform .2s var(--ease),opacity .2s ease
}

.oc-arc[data-variant="line"] .oc-arc__button::after{ border-radius:0; border-color:rgb(18 16 12 / .35) }

.oc-arc[data-variant="line"] .oc-arc__button--touch{ top:68% }

.oc-arc[data-variant="line"] .oc-arc__button--talk{ top:45% }

.oc-arc[data-variant="line"] .oc-arc__button--heart{ top:22% }

.oc-arc[data-variant="line"] .oc-arc__button:hover{
  transform:translate(-50%,calc(-50% - 3px));
  background:var(--arc-accent,var(--arc-selected,#d8a12a));
  box-shadow:5px 5px 0 rgb(0 0 0 / .55)
}

.oc-arc[data-variant="line"] .oc-arc__button[aria-pressed="true"]{
  background:var(--arc-accent,var(--arc-selected,#d8a12a))
}


.oc-arc[data-variant="line"] .oc-arc__line-trigger{
  left:37px;
  top:0;
  width:2px;
  height:60%;
  border-radius:0;
  transform:none;
  background:linear-gradient(180deg,var(--arc-edge),transparent)
}


.oc-arc[data-variant="line"] .oc-arc__hud{
  left:86px;
  top:50%;
  right:auto;
  transform:translateY(-50%);
  align-items:flex-start;
  gap:.8cqw
}

.oc-arc[data-variant="line"][flip] .oc-arc__hud{ left:86px; right:auto; align-items:flex-start }

.oc-arc[data-variant="line"] .oc-arc__hud-line{
  width:14cqw;
  background:linear-gradient(90deg,var(--arc-edge),transparent)
}

.oc-arc[data-variant="line"][flip] .oc-arc__hud-line{ background:linear-gradient(90deg,var(--arc-edge),transparent) }


/* Heavy black readout bar under the buttons. */
.oc-arc[data-variant="line"]
.oc-arc__glitch{
  position:absolute;
  left:0;
  width:76px;
  bottom:0;
  z-index:3;
  display:flex;
  align-items:center;
  justify-content:center;
  height:24px;
  padding:0 3px;
  background:var(--arc-frame,rgb(10 10 10 / .92));
  border-top:2px solid var(--arc-frame,rgb(10 10 10 / .92));
  font:600 7px/1 ui-monospace,monospace;
  letter-spacing:.16em;
  color:var(--arc-button,#e9dcbb);
  white-space:nowrap;
  overflow:hidden;
  pointer-events:none;
  transition:background-color .45s ease,color .45s ease
}

.oc-arc[data-variant="line"] .oc-arc__glitch.is-live{ color:var(--arc-accent,var(--arc-selected,#d8a12a)) }

@media(prefers-reduced-motion:reduce) {
  .oc-arc.is-glitching .oc-arc__glass { animation:none }
}

/* Closing collapses the panel to its left edge instead of snapping shut. */
.oc-arc[data-variant="line"]
.oc-arc.is-closing .oc-arc__glass{
  transform:scaleY(1) scaleX(var(--arc-panel,0));
  transform-origin:left center
}

.oc-arc[data-variant="line"].is-closing .oc-arc__button{
  opacity:var(--arc-panel,0);
  transform:translate(-50%,-50%) translateX(calc((1 - var(--arc-panel,0)) * -12px))
}

.oc-arc[data-variant="line"].is-closing .oc-arc__glitch{ opacity:var(--arc-panel,0) }


/* Arc variant (default topic) keeps the fan: hide the line-variant chrome. */
.oc-arc:not([data-variant="line"]) .oc-arc__glitch { display:none }