:root {
  --bpav-bg: rgba(0,0,0,0.75);
  --bpav-card-bg: #111827; /* slate-900 */
  --bpav-card-fg: #F9FAFB; /* gray-50 */
  --bpav-accent: #10B981;  /* emerald-500 */
  --bpav-danger: #EF4444;  /* red-500 */
  --bpav-radius: 16px;
  --bpav-shadow: 0 25px 50px -12px rgba(0,0,0,.55);
  --bpav-focus: 0 0 0 3px rgba(16,185,129,.35);
}

.bpav-hidden { display:none !important; }

/* Lock page scroll while modal open */
.bpav-locked { overflow: hidden !important; }

#bpav-overlay {
  position: fixed;
  inset: 0;
  background: var(--bpav-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999999;
  padding: 24px;
}

.bpav-dialog {
  width: 100%;
  max-width: 520px;
  background: var(--bpav-card-bg);
  color: var(--bpav-card-fg);
  border-radius: var(--bpav-radius);
  box-shadow: var(--bpav-shadow);
  padding: 28px;
  text-align: center;
  line-height: 1.5;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Apple Color Emoji, Segoe UI Emoji;
}

.bpav-dialog h2 {
  margin: 0 0 8px 0;
  font-size: 1.5rem;
  font-weight: 700;
}

.bpav-dialog p {
  margin: 0 0 18px 0;
  font-size: 1rem;
  opacity: .9;
}

.bpav-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.bpav-btn {
  appearance: none;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  cursor: pointer;
  font-weight: 700;
  box-shadow: var(--bpav-shadow);
}

.bpav-btn:focus-visible {
  outline: none;
  box-shadow: var(--bpav-focus);
}

.bpav-btn-yes {
  background: var(--bpav-accent);
  color: #062b1e;
}

.bpav-btn-no {
  background: var(--bpav-danger);
  color: #2d0b0b;
}

.bpav-noscript {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #111827;
  color: #F9FAFB;
  padding: 12px 16px;
  text-align: center;
  z-index: 999999;
  font-size: 14px;
}