.boot-shell {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0F1219;
  color: #E5E7EB;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding: 24px;
  text-align: center;
}
.boot-box { max-width: 520px; }
.boot-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.boot-hint { font-size: 13px; opacity: 0.85; line-height: 1.4; }
.boot-recovery { display: none; margin-top: 16px; }
.boot-recovery-msg { font-size: 13px; opacity: 0.75; line-height: 1.4; margin-bottom: 12px; }
.boot-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.boot-btn {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  font-size: 13px;
}
.boot-btn-reload { background: #1F2937; color: #E5E7EB; }
.boot-btn-reset { background: #B91C1C; color: #FFF; font-weight: 800; }