#boot-recovery[hidden] { display: none; }
#boot-recovery {
  position: fixed; z-index: 2147483647; left: 50%; top: 20%; transform: translateX(-50%);
  box-sizing: border-box; width: min(440px, calc(100% - 32px)); padding: 28px;
  border: 1px solid #ead8c7; border-radius: 16px; background: #fffaf5; color: #302219;
  box-shadow: 0 12px 48px #0002; font: 16px/1.7 system-ui, sans-serif;
}
#boot-recovery h1 { margin: 0; font-size: 21px; }
#boot-recovery button {
  padding: 10px 18px; border: 0; border-radius: 8px; background: #df6829; color: white;
  font: inherit; cursor: pointer;
}