.file-mode-guard {
  display: none;
}

html[data-portal-runtime="file"] {
  color-scheme: dark;
  min-height: 100%;
  background:
    radial-gradient(circle at 15% 10%, rgba(88, 166, 255, 0.16), transparent 34rem),
    radial-gradient(circle at 90% 90%, rgba(63, 185, 80, 0.1), transparent 28rem), #0d1117;
}

html[data-portal-runtime="file"] body {
  min-height: 100vh;
  margin: 0;
  background: transparent;
  color: #f0f6fc;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

html[data-portal-runtime="file"] body > :not(.file-mode-guard) {
  display: none !important;
}

html[data-portal-runtime="file"] .file-mode-guard {
  box-sizing: border-box;
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: clamp(24px, 6vw, 72px);
}

.file-mode-panel {
  box-sizing: border-box;
  width: min(680px, 100%);
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid #30363d;
  border-radius: 18px;
  background: rgba(22, 27, 34, 0.94);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.4);
}

.file-mode-badge {
  display: inline-flex;
  padding: 5px 9px;
  border: 1px solid rgba(210, 153, 34, 0.45);
  border-radius: 999px;
  background: rgba(210, 153, 34, 0.12);
  color: #e3b341;
  font:
    700 11px/1.2 ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.file-mode-panel h1 {
  margin: 18px 0 10px;
  font-size: clamp(28px, 6vw, 46px);
  line-height: 1.04;
  letter-spacing: -0.035em;
}

.file-mode-lead {
  max-width: 58ch;
  margin: 0;
  color: #b1bac4;
  font-size: 16px;
  line-height: 1.65;
}

.file-mode-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 18px;
}

.file-mode-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid #484f58;
  border-radius: 8px;
  color: #f0f6fc;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.file-mode-action:hover,
.file-mode-action:focus-visible {
  border-color: #58a6ff;
  outline: none;
}

.file-mode-action.primary {
  border-color: #238636;
  background: #238636;
  color: #fff;
}

.file-mode-action.primary:hover,
.file-mode-action.primary:focus-visible {
  border-color: #2ea043;
  background: #2ea043;
}

.file-mode-command {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 15px;
  border: 1px solid #30363d;
  border-radius: 9px;
  background: #0d1117;
  color: #8c959f;
  font-size: 12px;
}

.file-mode-command code {
  color: #79c0ff;
  font:
    600 12px/1.4 ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
  user-select: all;
}

.file-mode-boundary {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid #30363d;
  color: #8c959f;
  font-size: 12px;
  line-height: 1.55;
}

.file-mode-boundary strong {
  color: #c9d1d9;
}

.file-mode-boundary strong:not(:first-child) {
  display: block;
  margin-top: 14px;
}

.file-mode-boundary p {
  margin: 4px 0 0;
}

@media (max-width: 520px) {
  .file-mode-actions,
  .file-mode-action {
    width: 100%;
  }

  .file-mode-command {
    align-items: flex-start;
    flex-direction: column;
  }
}