#hfc-blr, #hfc-blr * { box-sizing: border-box; }
#hfc-blr {
  --blr-ink: #1c1b1a;
  --blr-paper: #eff1ec;
  --blr-card: #ffffff;
  --blr-accent: #d7263d;
  --blr-accent-soft: rgba(215,38,61,0.08);
  --blr-good: #2f8f5b;
  --blr-line: #d8dad4;
  --blr-muted: #6b6e68;
  --blr-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --blr-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  max-width: 760px;
  margin: 2rem auto;
  background: var(--blr-card);
  border: 1px solid var(--blr-line);
  border-radius: 14px;
  overflow: hidden;
  font-family: var(--blr-sans);
  color: var(--blr-ink);
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
#hfc-blr [hidden] { display: none !important; }
#hfc-blr .hfc-blr__header { display: flex; align-items: center; gap: 12px; background: var(--blr-ink); color: #f4f4f2; padding: 18px 20px; }
#hfc-blr .hfc-blr__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--blr-accent); flex-shrink: 0; animation: hfc-blr-pulse 2.2s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) { #hfc-blr .hfc-blr__dot { animation: none; } }
@keyframes hfc-blr-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
#hfc-blr .hfc-blr__title { margin: 0; font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; color: #f4f4f2 !important; }
#hfc-blr .hfc-blr__tag { margin: 2px 0 0; font-size: 0.85rem; color: #c7c7c3 !important; }
#hfc-blr .hfc-blr__body { padding: 20px; background: var(--blr-paper); }

#hfc-blr .hfc-blr__dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  gap: 6px; padding: 30px 16px; border: 1.5px dashed var(--blr-line); border-radius: 12px; background: var(--blr-card); cursor: pointer;
}
#hfc-blr .hfc-blr__dropzone.is-dragover { border-color: var(--blr-accent); background: var(--blr-accent-soft); }
#hfc-blr .hfc-blr__dropmain { font-size: 0.92rem; font-weight: 600; color: var(--blr-ink) !important; }
#hfc-blr .hfc-blr__dropnote { font-size: 0.76rem; color: var(--blr-muted) !important; }

#hfc-blr .hfc-blr__workspace { display: flex; flex-direction: column; gap: 14px; margin-top: 14px; }
#hfc-blr .hfc-blr__controls {
  background: var(--blr-card); border: 1px solid var(--blr-line); border-radius: 12px; padding: 14px;
  display: flex; flex-direction: column; gap: 14px;
}
#hfc-blr .hfc-blr__label { display: block; font-size: 0.82rem; color: var(--blr-muted) !important; margin-bottom: 6px; }
#hfc-blr .hfc-blr__row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
#hfc-blr .hfc-blr__range { width: 100%; accent-color: var(--blr-accent); }
#hfc-blr .hfc-blr__select {
  width: 100%; font-family: var(--blr-sans); font-size: 0.88rem; padding: 8px 10px; margin: 0;
  border: 1px solid var(--blr-line); border-radius: 8px; background: var(--blr-paper); color: var(--blr-ink) !important;
}
#hfc-blr .hfc-blr__segmented { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
#hfc-blr .hfc-blr__segmented { grid-template-columns: repeat(3, 1fr); }
#hfc-blr .hfc-blr__segmented--2 { grid-template-columns: repeat(2, 1fr); }
#hfc-blr .hfc-blr__seg {
  padding: 9px 6px; border: 1px solid var(--blr-line); border-radius: 9px; background: var(--blr-card);
  font-family: var(--blr-sans); font-size: 0.8rem; font-weight: 500; line-height: 1.25;
  color: var(--blr-ink) !important; cursor: pointer; text-align: center;
}
#hfc-blr .hfc-blr__seg.is-active { border-color: var(--blr-accent); background: var(--blr-accent-soft); color: var(--blr-accent) !important; }
#hfc-blr .hfc-blr__toggle { display: inline-flex; align-items: center; gap: 8px; font-size: 0.88rem; cursor: pointer; color: var(--blr-ink) !important; }
#hfc-blr .hfc-blr__toggle input { width: 18px; height: 18px; margin: 0; accent-color: var(--blr-accent); }

#hfc-blr .hfc-blr__actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
#hfc-blr .hfc-blr__btn {
  flex: 1; min-width: 150px; padding: 11px 14px; border-radius: 9px; border: 1px solid var(--blr-accent);
  background: var(--blr-accent); color: #fff !important; font-size: 0.86rem; font-weight: 600; cursor: pointer; font-family: var(--blr-sans);
}
#hfc-blr .hfc-blr__btn--ghost { background: var(--blr-card); color: var(--blr-accent) !important; }
#hfc-blr .hfc-blr__btn:disabled { opacity: .5; cursor: not-allowed; }
#hfc-blr .hfc-blr__link { background: none; border: none; padding: 0 4px; cursor: pointer; font-size: 0.82rem; color: var(--blr-muted) !important; text-decoration: underline; }
#hfc-blr .hfc-blr__note { margin: 0; font-size: 0.76rem; line-height: 1.45; color: var(--blr-muted) !important; }
#hfc-blr .hfc-blr__error { margin: 12px 0 0; padding: 10px 12px; border-radius: 9px; background: var(--blr-accent-soft); color: var(--blr-ink) !important; font-size: 0.85rem; }

#hfc-blr button:focus-visible, #hfc-blr input:focus-visible, #hfc-blr select:focus-visible, #hfc-blr label:focus-within {
  outline: 2px solid var(--blr-accent); outline-offset: 2px;
}
@media (max-width: 560px) {
  #hfc-blr .hfc-blr__body { padding: 14px; }
  #hfc-blr .hfc-blr__row2 { grid-template-columns: 1fr; }
}

#hfc-blr .hfc-blr__color { width: 56px; height: 34px; padding: 2px; border: 1px solid var(--blr-line); border-radius: 8px; background: var(--blr-card); cursor: pointer; }
#hfc-blr .hfc-blr__hint { margin: 0; font-size: 0.82rem; color: var(--blr-muted) !important; }
#hfc-blr .hfc-blr__stagewrap { background: var(--blr-card); border: 1px solid var(--blr-line); border-radius: 12px; padding: 10px; }
#hfc-blr .hfc-blr__stage { position: relative; margin: 0 auto; touch-action: none; user-select: none; -webkit-user-select: none; cursor: crosshair; line-height: 0; }
#hfc-blr .hfc-blr__stage canvas { display: block; width: 100%; height: auto; border-radius: 6px; }
#hfc-blr .hfc-blr__layer { position: absolute; inset: 0; }
#hfc-blr .hfc-blr__region { position: absolute; border: 2px dashed rgba(255,255,255,.95); box-shadow: 0 0 0 1px rgba(0,0,0,.55); cursor: move; }
#hfc-blr .hfc-blr__region.is-oval { border-radius: 50%; }
#hfc-blr .hfc-blr__region.is-selected { border-color: var(--blr-accent); border-style: solid; box-shadow: 0 0 0 1px #fff; }
#hfc-blr .hfc-blr__handle { position: absolute; right: -8px; bottom: -8px; width: 16px; height: 16px; border-radius: 50%; background: var(--blr-accent); border: 2px solid #fff; cursor: nwse-resize; display: none; }
#hfc-blr .hfc-blr__del { position: absolute; right: -10px; top: -10px; width: 22px; height: 22px; border-radius: 50%; border: 2px solid #fff; background: var(--blr-ink); color: #fff !important; font: 700 13px/1 var(--blr-sans); cursor: pointer; display: none; padding: 0; }
#hfc-blr .hfc-blr__region.is-oval .hfc-blr__handle { right: 6%; bottom: 6%; }
#hfc-blr .hfc-blr__region.is-oval .hfc-blr__del { right: 6%; top: 6%; }
#hfc-blr .hfc-blr__region.is-selected .hfc-blr__handle, #hfc-blr .hfc-blr__region.is-selected .hfc-blr__del { display: block; }
#hfc-blr .hfc-blr__stats { margin: 0; font-size: 0.78rem; font-family: var(--blr-mono); color: var(--blr-muted) !important; }
#hfc-blr .hfc-blr__stage { width: fit-content; max-width: 100%; }
#hfc-blr .hfc-blr__stage canvas { width: auto; max-width: 100%; max-height: 70vh; }