:root {
  color-scheme: dark;
  --bg: #050506;
  --panel: #0f0f12;
  --panel-raised: #17171c;
  --border: #26262e;
  --border-strong: #3a3a46;
  --text: #f4f4f6;
  --text-muted: #9a9aa8;
  --accent: #2563eb;
  --accent-hover: #3b76f2;
  --danger: #f87171;
  --ok: #4ade80;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  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;
}

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

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

.titlebar-quit:hover {
  color: var(--text);
  background: var(--panel-raised);
}

.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 24px;
  color: var(--text-muted);
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}

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

.choice {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-raised);
  cursor: pointer;
}

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

.choice:has(input:checked) {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--panel-raised));
}

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

.choice input {
  margin: 2px 0 0;
  accent-color: var(--accent);
  flex: none;
}

.choice-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

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

.choice-note {
  color: var(--text-muted);
  font-size: 13px;
}

.panel {
  margin-bottom: 4px;
}

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

.field {
  width: 100%;
  padding: 10px 12px;
  border-radius: 9px;
  border: 1px solid var(--border-strong);
  background: #08080a;
  color: var(--text);
  font: inherit;
  font-family: ui-monospace, SFMono-Regular, "Cascadia Mono", Menlo, monospace;
  font-size: 13px;
}

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

.hint {
  margin: 8px 0 0;
  font-size: 12.5px;
  color: var(--text-muted);
}

.hint code {
  background: var(--panel-raised);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 5px;
  font-size: 12px;
}

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

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

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

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

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

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

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

.button-primary {
  background: var(--accent);
  color: #fff;
}

.button-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.button-secondary {
  background: var(--panel-raised);
  color: var(--text);
  border-color: var(--border-strong);
}

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

.footnote {
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}