* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family:
    "Segoe UI", -apple-system, BlinkMacSystemFont, Inter, Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.titlebar {
  -webkit-app-region: drag;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  flex: none;
}

html[data-platform="darwin"] .titlebar {
  padding-left: 88px;
}

.titlebar-name {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.titlebar-quit {
  -webkit-app-region: no-drag;
  background: none;
  border: 0;
  color: var(--muted-foreground);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}

.titlebar-quit:hover {
  color: var(--foreground);
  background: var(--accent);
}

.shell {
  flex: 1;
  width: 100%;
  max-width: 620px;
  margin: 0 auto;
  padding: 24px 28px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.heading {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.subheading {
  margin: 0 0 20px;
  color: var(--muted-foreground);
}

.choices {
  border: 0;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.choice {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 2px);
  background: var(--card);
  cursor: pointer;
}

.choice:hover {
  border-color: var(--input);
}

.choice:has(input:checked) {
  border-color: var(--primary);
  background: var(--accent);
}

.choice:has(input:focus-visible) {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.choice input {
  margin: 0;
  accent-color: var(--primary);
  flex: none;
}

.choice-title {
  font-weight: 600;
}

.panel {
  margin-bottom: 4px;
}

.field-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  margin-bottom: 6px;
}

.field {
  width: 100%;
  padding: 10px 12px;
  border-radius: calc(var(--radius) - 3px);
  border: 1px solid var(--input);
  background: var(--background);
  color: var(--foreground);
  font: inherit;
  font-family: ui-monospace, SFMono-Regular, "Cascadia Mono", Menlo, monospace;
  font-size: 13px;
}

.field:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 1px;
  border-color: var(--ring);
}

.stack-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.stack-phase {
  margin: 0;
  min-height: 20px;
  font-size: 13px;
  color: var(--foreground);
}

.icon-button {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: none;
  color: var(--muted-foreground);
  cursor: pointer;
}

.icon-button:hover,
.icon-button[aria-expanded="true"] {
  color: var(--foreground);
  background: var(--accent);
}

.icon-button:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.icon-button svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.progress {
  margin-top: 10px;
  height: 4px;
  border-radius: 999px;
  background: var(--accent);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--primary);
  transition: width 400ms ease-out;
}

@media (prefers-reduced-motion: reduce) {
  .progress-fill {
    transition: none;
  }
}

.stack-detail {
  margin: 8px 0 0;
  min-height: 18px;
  font-size: 12px;
  color: var(--muted-foreground);
  font-variant-numeric: tabular-nums;
}

/* No size to report (a failure, or before the first layer): take no room. */
.stack-detail:empty {
  margin: 0;
  min-height: 0;
}

.stack-phase[data-tone="error"] {
  color: var(--destructive);
}

.stack-phase[data-tone="ok"] {
  color: var(--success);
}

.stack-output {
  margin: 10px 0 0;
  max-height: 160px;
  overflow: auto;
  padding: 10px 12px;
  border-radius: calc(var(--radius) - 3px);
  border: 1px solid var(--border);
  background: var(--background);
  color: var(--muted-foreground);
  font-family: ui-monospace, SFMono-Regular, "Cascadia Mono", Menlo, monospace;
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

.stack-help {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin-top: 10px;
}

.link {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  font-size: 13px;
  color: var(--link);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.link:hover {
  color: var(--foreground);
}

.link:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
  border-radius: 3px;
}

.status {
  margin: 14px 0 0;
  min-height: 20px;
  font-size: 13px;
  color: var(--muted-foreground);
}

.status[data-tone="ok"] {
  color: var(--success);
}

.status[data-tone="error"] {
  color: var(--destructive);
}

.actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.button {
  font: inherit;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: calc(var(--radius) - 3px);
  cursor: pointer;
  border: 1px solid transparent;
}

.button:disabled {
  opacity: 0.55;
  cursor: default;
}

.button:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.button-primary {
  background: var(--primary);
  color: var(--primary-foreground);
}

.button-primary:hover:not(:disabled) {
  background: color-mix(in srgb, var(--primary) 88%, var(--foreground));
}

.button-secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
  border-color: var(--input);
}

.button-secondary:hover:not(:disabled) {
  border-color: var(--muted-foreground);
}

/* Last so it wins over the flex layouts above at equal specificity. */
[hidden] {
  display: none;
}