:root {
  color-scheme: light dark;
  --bg: #f3f0e8;
  --ink: #1c1915;
  --muted: #6d675f;
  --line: #ddd6ca;
  --card: #fffdf8;
  --accent: #234e43;
  --on-accent: #f7f4ee;
  --danger: #8c2f2f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141311;
    --ink: #f3efe7;
    --muted: #a39c93;
    --line: #32302c;
    --card: #1d1c19;
    --accent: #9dccb6;
    --on-accent: #14211b;
    --danger: #f0a8a8;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.45 "Segoe UI", system-ui, sans-serif;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

header > div { flex: 1; min-width: 0; }

h1 {
  margin: 0 0 0.25rem;
  font-size: 1.6rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

header p,
#empty,
#error {
  margin: 0;
  color: var(--muted);
}

header a {
  color: inherit;
  white-space: nowrap;
  flex-shrink: 0;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

header form {
  background: transparent;
  border: 0;
  padding: 0;
}

form,
.search,
li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
}

form,
.search { padding: 1rem; }

form { display: grid; gap: 0.75rem; }

#ask { margin-top: 1rem; }

#landing {
  display: grid;
  justify-items: center;
  gap: 0.75rem;
  margin: 1.5rem 0 2rem;
  text-align: center;
}

#mic {
  width: 7.5rem;
  height: 7.5rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  padding: 0;
}

#mic svg {
  width: 2.4rem;
  height: 2.4rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#mic.listening {
  outline: 3px solid var(--danger);
  outline-offset: 6px;
}

#heard,
#speak-status {
  margin: 0;
  min-height: 1.45em;
}

#heard:empty,
#speak-status:empty { display: none; }

#speak-status { color: var(--muted); }

details.more {
  margin: 0 0 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.85rem 1rem;
}

details.more summary { cursor: pointer; }

details.more form {
  margin-top: 0.85rem;
  background: transparent;
  border: 0;
  padding: 0;
}

#answer {
  margin: 0;
  white-space: pre-wrap;
}

#answer:empty { display: none; }

label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.8rem;
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}

button {
  border: 0;
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
  background: var(--accent);
  color: var(--on-accent);
  font: inherit;
  cursor: pointer;
}

button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

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

.row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

#error:not(:empty),
#ask-error:not(:empty),
#speak-error:not(:empty) { color: var(--danger); }

.search { margin: 1rem 0; }

ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

li {
  padding: 0.85rem 1rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.25rem 0.75rem;
}

li.done .title { text-decoration: line-through; color: var(--muted); }

.kind {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.title { font-weight: 650; }

.body { grid-column: 1 / -1; color: var(--muted); white-space: pre-wrap; }

#empty[hidden] { display: none; }

.doc { max-width: 46rem; }

.doc h2 {
  margin: 2rem 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.doc h3 {
  margin: 1.25rem 0 0.35rem;
  font-size: 1rem;
  font-weight: 650;
}

.doc p,
.doc li { margin: 0.4rem 0; }

.doc ul,
.doc ol {
  margin: 0.4rem 0 0.8rem;
  padding-left: 1.25rem;
  display: block;
  list-style: disc;
}

.doc ol { list-style: decimal; }

.doc li,
.doc .toc li {
  display: list-item;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0.15rem 0;
  grid-template-columns: none;
}

.doc a { color: inherit; }

.doc code {
  font-family: Consolas, ui-monospace, monospace;
  font-size: 0.9em;
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.75rem 0 1rem;
  font-size: 0.95rem;
}

.doc th,
.doc td {
  text-align: left;
  vertical-align: top;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--line);
}

.doc th { font-weight: 650; }

.doc .toc {
  margin: 0 0 1.5rem;
  padding: 0.85rem 1rem 0.85rem 1.6rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
}