/* Letter Summaries -- phone-first. Warm paper tones; dark mode follows the phone. */
:root {
  --bg: #f7f3ea;
  --card: #fffdf8;
  --ink: #2a2520;
  --muted: #6d645a;
  --line: #e4dccd;
  --accent: #7a3b1d;
  --accent-soft: #f1e3d6;
  --strip-h: 48px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1916;
    --card: #24211d;
    --ink: #ece6dc;
    --muted: #a89e91;
    --line: #3a352f;
    --accent: #e0a37c;
    --accent-soft: #3a2b21;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
h1, h2, .chapter-title { font-family: Georgia, "Times New Roman", serif; font-weight: 600; }

.page { max-width: 40rem; margin: 0 auto; padding: 0 16px; }

/* ---- sign in ---- */
.login { max-width: 22rem; margin: 18vh auto 0; padding: 0 16px; }
.login h1 { font-size: 2rem; margin: 0; }
.login form { display: grid; gap: 10px; margin-top: 24px; }
.login label { font-weight: 600; }
.login input {
  font: inherit; padding: 12px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--card); color: var(--ink);
}
button {
  font: inherit; font-weight: 600; padding: 12px; border: 0; border-radius: 10px;
  background: var(--accent); color: var(--card); cursor: pointer;
}
.error { color: #b3261e; margin: 0; }
@media (prefers-color-scheme: dark) { .error { color: #f2b8b5; } }

/* ---- chapter list ---- */
.masthead { max-width: 40rem; margin: 0 auto; padding: 28px 16px 8px; }
.masthead h1 { font-size: 2rem; margin: 0 0 4px; }
.lede { color: var(--muted); margin: 0; }

.continue {
  display: block; margin: 16px 0 4px; padding: 14px 16px; border-radius: 12px;
  background: var(--accent-soft); text-decoration: none; color: var(--ink);
}
.continue[hidden] { display: none; }
.continue-label { display: block; font-weight: 700; color: var(--accent); }
.continue-where { font-size: 0.95rem; }

.chapters { list-style: none; margin: 12px 0 40px; padding: 0; display: grid; gap: 12px; }
.chapter-card {
  display: block; padding: 16px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--card); color: var(--ink); text-decoration: none;
}
.chapter-card:active { background: var(--accent-soft); }
.kicker { display: block; font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.chapter-title { display: block; font-size: 1.3rem; line-height: 1.25; margin: 4px 0 6px; }
.blurb {
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  color: var(--muted); font-size: 0.95rem;
}
.count { display: block; margin-top: 8px; font-weight: 600; font-size: 0.9rem; color: var(--accent); }

/* ---- chapter page ---- */
.topbar { max-width: 40rem; margin: 0 auto; padding: 14px 16px 0; }
.topbar a { text-decoration: none; font-weight: 600; }
.chapter-head { padding-top: 12px; padding-bottom: 8px; }
.chapter-head h1 { font-size: 1.75rem; line-height: 1.2; margin: 4px 0 8px; }
.about summary { cursor: pointer; color: var(--accent); font-weight: 600; }
.about p { color: var(--muted); margin: 8px 0 0; }
.filter { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 4px; }
.chip {
  padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line);
  text-decoration: none; color: var(--ink); font-size: 0.9rem; background: var(--card);
}
.chip.on { background: var(--accent); border-color: var(--accent); color: var(--card); font-weight: 600; }

.months {
  position: sticky; top: 0; z-index: 2; height: var(--strip-h);
  display: flex; gap: 6px; align-items: center; overflow-x: auto; scrollbar-width: none;
  padding: 0 16px; background: var(--bg); border-bottom: 1px solid var(--line);
}
.months::-webkit-scrollbar { display: none; }
.months a {
  flex: none; padding: 5px 10px; border-radius: 999px; text-decoration: none;
  font-size: 0.85rem; font-weight: 600; background: var(--accent-soft); color: var(--accent);
}
@media (min-width: 42rem) { .months { justify-content: safe center; } }

.month { scroll-margin-top: var(--strip-h); }
.month-head {
  position: sticky; top: var(--strip-h); z-index: 1; margin: 0; padding: 14px 0 8px;
  font-size: 1.15rem; background: var(--bg);
}
.month-count { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 0.8rem; color: var(--muted); font-weight: 600; margin-left: 4px; }

.letter {
  scroll-margin-top: calc(var(--strip-h) + 52px);
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; margin: 0 0 12px;
}
.meta { margin: 0 0 6px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 12px; }
.date { font-weight: 700; }
.who { color: var(--muted); font-size: 0.95rem; }
.summary { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 1.05rem; line-height: 1.6; }
.full { display: inline-block; margin-top: 10px; font-weight: 600; font-size: 0.9rem; text-decoration: none; padding: 4px 0; }
.empty { color: var(--muted); padding: 24px 0; }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding-top: 8px; padding-bottom: 48px; }
.pager a {
  display: block; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--card); text-decoration: none; color: var(--ink); font-size: 0.95rem;
}
.pager a span { display: block; color: var(--accent); font-weight: 700; font-size: 0.85rem; }
.pager .next { text-align: right; grid-column: 2; }