:root {
  --bg: #efe7d6;
  --ink: #1c1812;
  --muted: #6d6558;
  --paper: #fbf6ea;
  --line: #d2c7b0;
  --accent: #8c2f14;
  --accent-soft: #f0d6c8;
  --ok: #3d5a1c;
  --warn: #8a5a10;
  --shadow: 0 1px 0 rgba(28, 24, 18, 0.06);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161310;
    --ink: #f3eadc;
    --muted: #a39886;
    --paper: #211c17;
    --line: #3d352b;
    --accent: #e8a07a;
    --accent-soft: #3a2a22;
    --ok: #b4d47a;
    --warn: #e6c36a;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
}

body {
  font-family: ui-serif, "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  line-height: 1.45;
}

.wrap {
  width: min(44rem, calc(100% - 2rem));
  margin: 2.4rem auto 4rem;
}

.mast h1 {
  margin: 0.15rem 0 0.6rem;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 650;
  letter-spacing: -0.03em;
}

.kicker {
  margin: 0;
  font-family: ui-monospace, "Cascadia Mono", "IBM Plex Mono", "Liberation Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.lede {
  margin: 0 0 1.8rem;
  color: var(--muted);
  max-width: 38rem;
}

.lede strong { color: var(--ink); font-weight: 650; }

section { margin-bottom: 1.6rem; }

label,
.lists h2,
.format h2,
.output h2 {
  display: block;
  margin: 0 0 0.45rem;
  font-family: ui-monospace, "Cascadia Mono", "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

#draft {
  width: 100%;
  display: block;
  resize: vertical;
  min-height: 5.4rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 2px;
  box-shadow: var(--shadow);
  font-family: ui-monospace, "Cascadia Mono", "IBM Plex Mono", "Liberation Mono", monospace;
  font-size: 1.2rem;
  line-height: 1.5;
}

#draft:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.suggest {
  margin-top: 0.55rem;
  border: 1px solid var(--line);
  background: var(--paper);
}

.suggest-hint {
  margin: 0;
  padding: 0.45rem 0.75rem;
  font-family: ui-monospace, "Cascadia Mono", "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.suggest ul {
  list-style: none;
  margin: 0;
  padding: 0.25rem;
}

.suggest li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.7rem;
  font-family: ui-monospace, "Cascadia Mono", "IBM Plex Mono", monospace;
  font-size: 1.05rem;
  cursor: pointer;
}

.suggest li[aria-selected="true"],
.suggest li:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.suggest .meta {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  align-self: center;
}

.ghost-add {
  color: var(--muted);
  font-weight: 400;
}

.format-warn {
  margin: 0 0 0.55rem;
  color: var(--warn);
  font-size: 0.92rem;
}

.keys {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

kbd {
  font-family: ui-monospace, "Cascadia Mono", "IBM Plex Mono", monospace;
  font-size: 0.78em;
  padding: 0.05rem 0.3rem;
  border: 1px solid var(--line);
  background: var(--paper);
}

.list-note {
  margin: 0 0 0.55rem;
  color: var(--muted);
  font-size: 0.95rem;
}

#wordlist {
  width: 100%;
  max-width: 32rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-family: ui-monospace, "Cascadia Mono", "IBM Plex Mono", monospace;
  font-size: 0.92rem;
}

#wordlist:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--line);
  background: var(--paper);
  font-family: ui-monospace, "Cascadia Mono", "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink);
}

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

.pill input { accent-color: var(--accent); }

.out-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.status {
  margin: 0;
  font-family: ui-monospace, "Cascadia Mono", "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--muted);
}

.status.ok { color: var(--ok); }
.status.warn { color: var(--warn); }

.list-hit {
  margin: 0 0 0.55rem;
  color: var(--muted);
  font-size: 0.92rem;
}

#use-list { margin-bottom: 0.75rem; }

.result {
  margin: 0 0 0.75rem;
  min-height: 3.4rem;
  padding: 0.9rem 1rem;
  border: 1px dashed var(--line);
  background: var(--paper);
  font-family: ui-monospace, "Cascadia Mono", "IBM Plex Mono", "Liberation Mono", monospace;
  font-size: 1.15rem;
  white-space: pre-wrap;
  word-break: break-word;
  cursor: pointer;
}

.result.is-hidden {
  color: transparent;
  text-shadow: 0 0 8px color-mix(in srgb, var(--ink) 55%, transparent);
  user-select: none;
}

.actions { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
  padding: 0.45rem 0.85rem;
  cursor: pointer;
}

.btn.primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

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

.copy-note {
  margin: 0.5rem 0 0;
  color: var(--ok);
  font-size: 0.92rem;
}

.notes {
  margin-top: 2.2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.notes summary { cursor: pointer; color: var(--ink); }

.notes ul { padding-left: 1.15rem; }

.notes a { color: var(--accent); }

code {
  font-family: ui-monospace, "Cascadia Mono", "IBM Plex Mono", monospace;
  font-size: 0.88em;
}

/* --- Segredo ↔ palavras (BIP-39) --- */

.secret-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  gap: 1rem 1.5rem;
  margin-top: 0.5rem;
}

.secret-grid label {
  display: block;
  margin-bottom: 0.35rem;
}

.secret textarea {
  width: 100%;
  box-sizing: border-box;
}

.secret .result {
  min-height: 2.2rem;
  white-space: pre-wrap;
}