:root { --ink: #1b1b1b; --muted: #4a4a4a; --accent: #1f4e8c; --accent-ink: #ffffff; --paper: #fbfaf7; --line: #c9c6bf; --warn: #8a1c1c; --ok: #1d5c2e; }
* { box-sizing: border-box; }
html { font-size: 22px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Georgia, "Times New Roman", serif; line-height: 1.55; }
main { max-width: 46rem; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 1rem; }
h2 { font-size: 1.4rem; margin: 2rem 0 0.6rem; }
p { margin: 0 0 1rem; }
ul { padding-left: 1.3rem; margin: 0 0 1rem; }
li { margin: 0 0 0.8rem; }
.note { color: var(--muted); }
.error { color: var(--warn); font-weight: bold; border-left: 6px solid var(--warn); padding: 0.5rem 0.9rem; background: #fff; }
.done { color: var(--ok); font-weight: bold; border-left: 6px solid var(--ok); padding: 0.5rem 0.9rem; background: #fff; }
.you { border-left: 6px solid var(--line); padding: 0.4rem 0.9rem; background: #fff; font-style: italic; }
.wait { color: var(--muted); }
.card { background: #fff; border: 2px solid var(--line); border-radius: 0.8rem; padding: 1rem 1.2rem; margin: 0 0 1.2rem; }
.card.notice { border-color: var(--accent); }
.option { border-top: 1px solid var(--line); margin-top: 1rem; padding-top: 0.6rem; }
.option h3 { margin: 0.2rem 0; font-size: 1.1rem; }
.stored { font-family: "DejaVu Sans Mono", monospace; font-size: 0.8rem; color: var(--muted); overflow-wrap: anywhere; }
details { margin: 0.4rem 0 0; }
summary { cursor: pointer; color: var(--accent); font-weight: bold; padding: 0.3rem 0; }
details ul { font-size: 0.9rem; border-left: 3px solid var(--line); padding-left: 1rem; list-style: none; }
label { display: block; font-weight: bold; margin: 1.2rem 0 0.4rem; }
fieldset { border: 2px solid var(--line); border-radius: 0.8rem; margin: 0 0 1rem; padding: 0.6rem 1rem 0.8rem; background: #fff; }
legend { font-weight: bold; padding: 0 0.3rem; }
fieldset label { font-weight: normal; margin: 0.4rem 0; }
input[type=radio] { width: 1.3rem; height: 1.3rem; vertical-align: middle; margin-right: 0.5rem; }
input[type=text], input[type=password], textarea { width: 100%; font-size: 1.2rem; font-family: inherit; padding: 0.7rem 0.8rem; border: 2px solid var(--line); border-radius: 0.5rem; background: #fff; }
textarea { min-height: 7rem; }
input:focus, button:focus, a.button:focus, textarea:focus, summary:focus { outline: 4px solid #f2b705; outline-offset: 2px; }
button, a.button { display: block; width: 100%; margin: 1.2rem 0 0; padding: 1.1rem 1rem; font-size: 1.3rem; font-family: inherit; font-weight: bold; text-align: center; text-decoration: none; color: var(--accent-ink); background: var(--accent); border: 0; border-radius: 0.8rem; cursor: pointer; }
button.second, a.button.second { background: #e8e5de; color: var(--ink); }
button.quiet { background: #e8e5de; color: var(--ink); font-size: 1.05rem; padding: 0.8rem; }
.choices { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.choices button { flex: 1 1 10rem; }
.choices.big button { font-size: 1.45rem; padding: 1.4rem 1rem; }
.choices.column { flex-direction: column; }
.choices.column button { flex: none; }
.card.provisional { border: 3px dashed var(--warn); }
.card.provisional h2 { color: var(--warn); margin-top: 0.2rem; }
blockquote { margin: 0 0 1rem; padding: 0.6rem 1rem; border-left: 6px solid var(--accent); background: #fff; white-space: pre-wrap; }
input[name=atom] { width: 100%; font-size: 1.1rem; font-family: "DejaVu Sans Mono", monospace; padding: 0.6rem; border: 2px solid var(--line); border-radius: 0.5rem; }
.domain { font-style: italic; }
.tree { list-style: none; padding-left: 0; font-size: 1.15rem; }
.tree > li { border-left: 4px solid var(--accent); padding-left: 0.9rem; margin-bottom: 1.2rem; }
.tree summary { font-size: 1.2rem; }
.tree ul { list-style: none; padding-left: 1rem; }
.tree .question::before { content: "? "; font-weight: bold; color: var(--accent); }
.warn { color: var(--warn); }
.answer { display: flex; flex-direction: column; }
.answer > * { order: 3; }
.answer > .first { order: 1; }
.answer > .wait, .answer > .fluent { order: 2; }
.answer:has(> .fluent) .plain, .answer:has(> .end) > .wait { display: none; }