/* Shared stylesheet for the German A1-2 teaching workspace.
   Tufte-inspired: readable serif body, generous margins, minimal chrome.
   Every lesson in ./lessons/ links this file. Extend it here, not per-lesson. */

:root {
  --bg: #fcfaf9;
  --text: #1c1917;
  --muted: #6b625c;
  --accent: #a23b2e;
  --accent-soft: #f5e6e0;
  --rule: #ddd2ca;
  --code-bg: #f1e9e2;
  --win-bg: #eef3ee;
  --win-border: #4f7d5a;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17130f;
    --text: #ece4dc;
    --muted: #ab9d90;
    --accent: #e0745a;
    --accent-soft: #2b1c17;
    --rule: #3a3027;
    --code-bg: #221c18;
    --win-bg: #1c2a1e;
    --win-border: #5f9a6c;
  }
}
:root[data-theme="dark"] {
  --bg: #17130f;
  --text: #ece4dc;
  --muted: #ab9d90;
  --accent: #e0745a;
  --accent-soft: #2b1c17;
  --rule: #3a3027;
  --code-bg: #221c18;
  --win-bg: #1c2a1e;
  --win-border: #5f9a6c;
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-size: 19px;
  line-height: 1.6;
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 6rem;
}

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.25;
}
h1 { font-size: 1.9rem; margin-bottom: 0.2rem; }
.kicker {
  color: var(--muted);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
h2 {
  margin-top: 2.4rem;
  font-size: 1.35rem;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.3rem;
}

a { color: var(--accent); }
a:visited { color: var(--accent); }

p { margin: 1rem 0; }

code, pre {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  background: var(--code-bg);
  border-radius: 4px;
}
code { padding: 0.1em 0.35em; font-size: 0.88em; }
pre { padding: 0.9rem 1rem; overflow-x: auto; }
pre code { background: none; padding: 0; }

blockquote {
  margin: 1.2rem 0;
  padding-left: 1rem;
  border-left: 3px solid var(--rule);
  color: var(--muted);
}

.win {
  background: var(--win-bg);
  border: 1px solid var(--win-border);
  border-radius: 6px;
  padding: 0.9rem 1.1rem;
  margin: 1.5rem 0;
}
.win strong { color: var(--win-border); }

.callout {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  padding: 0.8rem 1rem;
  margin: 1.2rem 0;
}

.sources {
  font-size: 0.92rem;
  color: var(--muted);
}

.quiz {
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1rem 1.2rem;
  margin: 1.2rem 0;
}
.quiz p.q { font-weight: 600; margin-bottom: 0.5rem; }
.quiz details { margin-top: 0.4rem; }
.quiz summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 0.92rem;
}
.quiz .answer {
  margin-top: 0.5rem;
  padding: 0.5rem 0.7rem;
  background: var(--code-bg);
  border-radius: 4px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2rem 0;
  font-size: 0.95rem;
}
th, td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--rule);
}
th { color: var(--muted); font-weight: 600; }

.nav {
  display: flex;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-size: 0.95rem;
}

.ask-agent {
  margin-top: 2.5rem;
  font-size: 0.95rem;
  color: var(--muted);
  font-style: italic;
}

.gender {
  display: inline-block;
  font-weight: 600;
  padding: 0 0.3em;
  border-radius: 3px;
}
.gender.der { background: var(--accent-soft); color: var(--accent); }
.gender.die { background: var(--win-bg); color: var(--win-border); }
.gender.das { background: var(--code-bg); color: var(--muted); }

.pron-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6em;
  height: 1.6em;
  margin-right: 0.35em;
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: 50%;
  background: var(--code-bg);
  color: var(--accent);
  font-size: 0.85em;
  line-height: 1;
  cursor: pointer;
  vertical-align: middle;
}
.pron-btn:hover { background: var(--accent-soft); }
.pron-btn:active { background: var(--win-bg); }
.pron-btn.pron-btn-inline { margin-left: 0.45em; margin-right: 0; }
.pron-btn.pron-btn-speaking { color: var(--win-border); border-color: var(--win-border); }