#blog-companion {
  --companion-size: 270px;
  position: fixed;
  left: 16px;
  bottom: 22px;
  width: var(--companion-size);
  height: var(--companion-size);
  color: var(--ctl-ink);
  font: 13px/1.5 system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  z-index: 1008;
}
#blog-companion [hidden] { display: none !important; }
#blog-companion button { font: inherit; color: inherit; cursor: pointer; }
#blog-companion [data-companion-avatar] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  touch-action: none;
  user-select: none;
}
#blog-companion [data-companion-avatar] > img {
  position: absolute;
  left: calc(50% - 34px);
  bottom: 10px;
  width: 68px;
  height: 68px;
  pointer-events: none;
  transition: opacity .2s;
}
#blog-companion .companion-stage {
  position: absolute;
  inset: 0;
  display: block;
  pointer-events: none;
}
#blog-companion .companion-stage canvas { max-width: 100%; max-height: 100%; }
#blog-companion.is-ready:not(.is-collapsed) [data-companion-avatar] > img { visibility: hidden; }
#blog-companion [data-companion-more] {
  position: absolute;
  right: 8px;
  bottom: 6px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--ctl-line);
  border-radius: 50%;
  background: var(--ctl-surface);
  color: var(--ctl-muted);
  font-size: 15px;
  line-height: 1;
  box-shadow: 0 2px 10px rgba(22,21,20,.08);
  transition: background .18s, color .18s, border-color .18s;
}
#blog-companion [data-companion-more]:hover { color: var(--ctl-ink); }
#blog-companion [data-companion-more].is-active {
  background: var(--ctl-ink);
  border-color: var(--ctl-ink);
  color: var(--ctl-surface);
  transition: none;
}
#blog-companion .companion-status {
  position: absolute;
  left: 0;
  bottom: 100%;
  max-width: 230px;
  min-width: 170px;
  padding: 9px 11px;
  border: 1px solid var(--ctl-line);
  border-radius: 14px;
  background: var(--ctl-surface);
  box-shadow: var(--ctl-shadow);
  color: var(--ctl-ink);
  font-size: 11.5px;
  overflow-wrap: anywhere;
}
#blog-companion .companion-status a { display: block; color: var(--ctl-accent); text-decoration: underline; }
#companion-menu {
  box-sizing: border-box;
  position: absolute;
  left: 0;
  bottom: 48px;
  width: 232px;
  max-height: min(520px, 70vh);
  overflow: auto;
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--ctl-line);
  border-radius: 24px;
  background: var(--ctl-surface);
  box-shadow: var(--ctl-shadow);
  color: var(--ctl-ink);
}
.companion-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 4px;
  font-size: 12px;
  font-weight: 600;
}
#companion-menu [data-companion-close] {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--ctl-muted);
  font-size: 16px;
  line-height: 1;
}
#companion-menu [data-companion-close]:hover { background: var(--ctl-bg); color: var(--ctl-ink); }
#companion-menu [data-companion-voice-notice],
#companion-menu label {
  margin: 0;
  padding: 0 4px;
  color: var(--ctl-muted);
  font-size: 11.5px;
}
#companion-menu [data-companion-voice-controls] { display: grid; gap: 8px; padding: 0 4px; }
.companion-size {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 2px 4px;
  color: var(--ctl-muted);
  font-size: 11.5px;
}
.companion-segments {
  position: relative;
  display: inline-flex;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--ctl-line);
  border-radius: 999px;
  background: var(--ctl-bg);
}
.companion-seg-indicator {
  position: absolute;
  top: 2px;
  left: 2px;
  height: calc(100% - 4px);
  width: 0;
  border-radius: 999px;
  background: var(--ctl-ink);
  pointer-events: none;
  transition: transform .26s var(--ctl-ease), width .26s var(--ctl-ease);
}
.companion-segments button {
  position: relative;
  z-index: 1;
  min-width: 40px;
  min-height: 26px;
  padding: 0 9px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ctl-muted);
  font-size: 11.5px;
  transition: color .2s var(--ctl-ease), transform .16s var(--ctl-ease);
}
.companion-segments button:hover { color: var(--ctl-ink); }
.companion-segments button:active { transform: scale(.95); }
.companion-segments button[aria-pressed=true] { color: var(--ctl-surface); font-weight: 600; }
.companion-actions { display: grid; gap: 1px; }
.companion-actions button {
  min-height: 34px;
  padding: 0 10px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--ctl-ink);
  text-align: left;
  font-size: 12px;
}
.companion-actions button:hover { background: var(--ctl-bg); }
.companion-actions button[data-companion-disable] { color: var(--ctl-muted); }
#companion-menu [data-companion-sound] {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--ctl-line);
  border-radius: 999px;
  background: transparent;
  color: var(--ctl-ink);
  font-size: 11.5px;
}
#companion-menu [data-companion-sound]:hover { background: var(--ctl-bg); }
#companion-menu input[type=range] { width: 100%; accent-color: var(--ctl-accent); }
#blog-companion button:focus-visible,
#blog-companion input:focus-visible,
#blog-companion a:focus-visible {
  outline: 2px solid var(--ctl-accent);
  outline-offset: 3px;
}
#blog-companion.is-collapsed { width: 40px; height: 40px; }
#blog-companion.is-collapsed .companion-stage { visibility: hidden; }
#blog-companion.is-collapsed [data-companion-avatar] > img { left: 0; bottom: 0; width: 40px; height: 40px; }
#blog-companion.is-collapsed [data-companion-more] { right: -40px; bottom: 0; }
#blog-companion.is-disabled [data-companion-more] { display: none; }

@media (max-width: 768px), (pointer: coarse) {
  #blog-companion { left: 12px; bottom: calc(94px + env(safe-area-inset-bottom,0px)); }
  #companion-menu {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: calc(148px + env(safe-area-inset-bottom,0px));
    width: auto;
    max-height: 55vh;
  }
  #blog-companion [data-companion-avatar] { touch-action: manipulation; }
  #blog-companion .companion-status { max-width: min(230px, 80vw); }
}
@media (prefers-reduced-motion: reduce) {
  .companion-segments button,
  .companion-seg-indicator,
  #blog-companion [data-companion-avatar] > img,
  #blog-companion [data-companion-more] { transition: none; }
}
@media print { #blog-companion { display: none; } }