:root {
  --ink: #2b2622;
  --ink-soft: #5c5349;
  --paper: #f6f1e7;
  --paper-2: #fffdf8;
  --line: #e3d9c6;
  --line-2: #d4c7ad;
  --accent: #8a5a2b;
  --accent-soft: #b5894f;
  --good: #2f7d4f;
  --good-bg: #e4f1e7;
  --bad: #b23b3b;
  --bad-bg: #f6e3e0;
  --shadow: 0 1px 2px rgba(60,45,25,.06), 0 8px 24px rgba(60,45,25,.07);
  --radius: 14px;
  --maxw: 880px;
}

/* per-book accents */
.b-Galatians  { --accent:#9a4a2f; --accent-soft:#c47a55; }
.b-Ephesians  { --accent:#2f6c8a; --accent-soft:#5d97b3; }
.b-Philippians{ --accent:#6a4f9a; --accent-soft:#937bc0; }
.b-Colossians { --accent:#3f7a52; --accent-soft:#6fa783; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header */
header.site {
  position: sticky; top: 0; z-index: 20;
  background: rgba(246,241,231,.86);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
header.site .wrap { display: flex; align-items: center; gap: 16px; height: 60px; }
.brand { font-weight: 700; letter-spacing: .02em; font-size: 1.05rem; display:flex; gap:10px; align-items:center; }
.brand .mark { width: 26px; height: 26px; border-radius: 7px; background: linear-gradient(135deg,#9a4a2f,#2f6c8a,#3f7a52); display:inline-block; }
header.site nav { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
header.site nav a {
  font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
  font-size: .82rem; color: var(--ink-soft); padding: 6px 11px; border-radius: 999px;
}
header.site nav a:hover { background: var(--paper-2); text-decoration:none; }
header.site nav a.active { background: var(--ink); color: var(--paper-2); }

main { padding: 34px 0 80px; }
.sans { font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; }

/* Hero */
.hero { text-align: center; padding: 26px 0 8px; }
.hero h1 { font-size: clamp(2rem, 5vw, 2.9rem); margin: 0 0 8px; letter-spacing: -.01em; }
.hero p { color: var(--ink-soft); max-width: 620px; margin: 0 auto; font-size: 1.08rem; }
.kicker { font-family: ui-sans-serif, system-ui, sans-serif; text-transform: uppercase;
  letter-spacing: .22em; font-size: .72rem; color: var(--accent); font-weight: 600; }

/* Book cards */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 30px 0; max-width: 680px; margin-left: auto; margin-right: auto; }
@media (max-width: 540px) { .cards { grid-template-columns: 1fr; } }
.card {
  display: block; background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow);
  transition: transform .14s ease, box-shadow .14s ease; position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 6px 14px rgba(60,45,25,.12), 0 18px 40px rgba(60,45,25,.1); text-decoration:none; }
.card .bar { position:absolute; left:0; top:0; height:5px; width:100%; background: linear-gradient(90deg, var(--accent), var(--accent-soft)); }
.card h3 { margin: 8px 0 2px; font-size: 1.45rem; color: var(--ink); }
.card .sub { font-family: ui-sans-serif, system-ui, sans-serif; color: var(--ink-soft); font-size: .85rem; }
.card .meta { margin-top: 14px; display:flex; gap:14px; font-family: ui-sans-serif, system-ui, sans-serif; font-size: .76rem; color: var(--ink-soft); }
.progress { height: 7px; background: var(--line); border-radius: 999px; overflow: hidden; margin-top: 14px; }
.progress > span { display:block; height:100%; background: linear-gradient(90deg, var(--accent), var(--accent-soft)); width:0; transition: width .4s ease; }

/* Section blocks */
.panel { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); margin-bottom: 22px; }
.panel.tight { padding: 16px 20px; }

/* Breadcrumb + book title */
.crumbs { font-family: ui-sans-serif, system-ui, sans-serif; font-size: .82rem; color: var(--ink-soft); margin-bottom: 6px; }
.book-head { display:flex; align-items:flex-end; gap:14px; flex-wrap:wrap; margin-bottom: 6px; }
.book-head h1 { margin: 0; font-size: 2.3rem; }
.book-head .tag { font-family: ui-sans-serif, system-ui, sans-serif; font-size:.8rem; color:#fff; background:var(--accent); padding:3px 10px; border-radius:999px; }

/* Tabs */
.tabs { display:flex; gap:4px; flex-wrap:wrap; margin: 18px 0 24px; border-bottom: 1px solid var(--line); }
.tabs a {
  font-family: ui-sans-serif, system-ui, sans-serif; font-size: .9rem; color: var(--ink-soft);
  padding: 9px 15px; border-radius: 9px 9px 0 0; border: 1px solid transparent; border-bottom: none; margin-bottom:-1px;
}
.tabs a:hover { color: var(--ink); text-decoration:none; }
.tabs a.active { color: var(--accent); background: var(--paper-2); border-color: var(--line); font-weight:600; }

/* Chapter pills */
.chips { display:flex; gap:8px; flex-wrap:wrap; margin-bottom: 22px; }
.chip {
  font-family: ui-sans-serif, system-ui, sans-serif; font-size:.85rem;
  padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line-2);
  background: var(--paper-2); color: var(--ink-soft); cursor:pointer;
}
.chip:hover { border-color: var(--accent-soft); color: var(--ink); text-decoration:none; }
.chip.active { background: var(--accent); border-color: var(--accent); color:#fff; }

/* Outline table */
.outline-table { width:100%; border-collapse: collapse; font-size: .95rem; }
.outline-table th { text-align:left; font-family: ui-sans-serif, system-ui, sans-serif; font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color: var(--ink-soft); padding: 8px 12px; border-bottom: 2px solid var(--line-2); }
.outline-table td { padding: 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.outline-table tr:last-child td { border-bottom: none; }
.outline-table .big { font-weight:700; }
.outline-table .sec { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size:.82rem; color: var(--accent); white-space:nowrap; }
.outline-group td { background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent); }
.chapcell { font-family: ui-sans-serif, system-ui, sans-serif; font-weight:700; color: var(--accent); font-size: 1.05rem; }
.extra { color: var(--ink-soft); font-size: .86rem; }

/* Passage reader */
.passage { font-size: 1.18rem; line-height: 1.85; }
.passage p { margin: 0 0 1.1em; }
.passage .vn { font-family: ui-sans-serif, system-ui, sans-serif; font-size: .62em; color: var(--accent); font-weight:700; vertical-align: super; margin-right: 3px; user-select:none; }
.passage .ch-mark { display:inline-block; font-family: ui-sans-serif, system-ui, sans-serif; font-weight:800; color: var(--accent); font-size:.7em; vertical-align: super; margin-right:5px; }

/* Fill in the blank */
.fitb .v { margin: 0 0 1.15em; font-size: 1.12rem; line-height: 2.1; }
.fitb .vn { font-family: ui-sans-serif, system-ui, sans-serif; font-size: .62em; color: var(--accent); font-weight:700; vertical-align: super; margin-right: 4px; }
input.blank {
  font-family: inherit; font-size: .96rem; text-align:center;
  border: none; border-bottom: 2px solid var(--accent-soft); background: color-mix(in srgb, var(--accent) 6%, transparent);
  width: 8.5em; padding: 1px 6px; color: var(--ink); border-radius: 4px 4px 0 0;
  transition: background .15s, border-color .15s;
}
input.blank:focus { outline:none; border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
input.blank.correct { border-color: var(--good); background: var(--good-bg); color: var(--good); }
input.blank.wrong { border-color: var(--bad); background: var(--bad-bg); color: var(--bad); }
input.blank.ungraded { border-style: dashed; }
.reveal-tag { font-family: ui-sans-serif, system-ui, sans-serif; font-size:.72rem; color: var(--good); margin-left:4px; }

/* Quiz */
.quiz .q { padding: 16px 0; border-bottom: 1px solid var(--line); }
.quiz .q:last-child { border-bottom:none; }
.quiz .qhead { font-weight: 600; margin-bottom: 10px; display:flex; gap:8px; }
.quiz .qnum { color: var(--accent); font-family: ui-sans-serif, system-ui, sans-serif; font-weight:700; }
.quiz label {
  display:flex; gap:10px; align-items:flex-start; font-family: ui-sans-serif, system-ui, sans-serif;
  font-size:.95rem; padding: 9px 12px; border:1px solid var(--line); border-radius: 9px; margin: 6px 0; cursor:pointer;
  transition: background .12s, border-color .12s;
}
.quiz label:hover { border-color: var(--accent-soft); }
.quiz label.sel { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, transparent); }
.quiz label.correct { border-color: var(--good); background: var(--good-bg); }
.quiz label.wrong { border-color: var(--bad); background: var(--bad-bg); }
.quiz label .opt { font-weight:700; color: var(--ink-soft); }
.quiz label input { margin-top: 3px; accent-color: var(--accent); }

/* Buttons + toolbar */
.toolbar { display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin: 22px 0 4px; position: sticky; bottom: 0;
  background: linear-gradient(180deg, transparent, var(--paper) 40%); padding: 14px 0; }
button.btn {
  font-family: ui-sans-serif, system-ui, sans-serif; font-size:.9rem; font-weight:600;
  padding: 10px 18px; border-radius: 10px; border: 1px solid var(--accent); background: var(--accent); color:#fff; cursor:pointer;
  transition: filter .12s, transform .08s;
}
button.btn:hover { filter: brightness(1.07); }
button.btn:active { transform: translateY(1px); }
button.btn.ghost { background: var(--paper-2); color: var(--accent); }
button.btn.ghost:hover { background: #fff; }
.score-pill { font-family: ui-sans-serif, system-ui, sans-serif; font-weight:700; padding: 8px 16px; border-radius:999px; background: var(--ink); color: var(--paper-2); }
.score-pill.good { background: var(--good); }
.score-pill.bad { background: var(--bad); }

/* Overview ("at a glance") */
.ov-wrap { margin: 46px 0 8px; }
.ov-head { text-align: center; margin-bottom: 24px; }
.ov-head h2 { margin: 6px 0 4px; font-size: 1.7rem; }
.ov-head p { margin: 0 auto; max-width: 540px; }
.ov-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.ov-card {
  display: block; background: var(--paper-2); border: 1px solid var(--line);
  border-top: 4px solid var(--accent); border-radius: var(--radius);
  padding: 18px 20px 20px; box-shadow: var(--shadow); color: var(--ink);
  transition: transform .14s ease, box-shadow .14s ease;
}
a.ov-card:hover { transform: translateY(-3px); text-decoration: none;
  box-shadow: 0 6px 14px rgba(60,45,25,.12), 0 18px 40px rgba(60,45,25,.1); }
.ov-top { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.ov-top h4 { margin: 0; font-size: 1.3rem; color: var(--accent); }
.ov-date { font-family: ui-sans-serif, system-ui, sans-serif; font-size: .72rem; font-weight: 600;
  letter-spacing: .04em; color: var(--ink-soft); background: color-mix(in srgb, var(--accent) 10%, transparent);
  padding: 3px 9px; border-radius: 999px; white-space: nowrap; }
.ov-theme { font-size: 1.05rem; font-style: italic; color: var(--ink); margin: 8px 0 14px; line-height: 1.4; }
.ov-dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 5px 12px; }
.ov-dl dt { font-family: ui-sans-serif, system-ui, sans-serif; font-size: .64rem; text-transform: uppercase;
  letter-spacing: .09em; color: var(--accent-soft); font-weight: 700; padding-top: 3px; white-space: nowrap; }
.ov-dl dd { margin: 0; font-size: .9rem; color: var(--ink-soft); line-height: 1.45; }
.ov-qa { margin-top: 15px; padding-top: 13px; border-top: 1px dashed var(--line-2);
  font-family: ui-sans-serif, system-ui, sans-serif; }
.ov-q { display: block; font-weight: 600; font-size: .9rem; color: var(--ink); }
.ov-q::before { content: "Q  "; color: var(--accent); font-weight: 800; }
.ov-a { display: block; font-size: .9rem; color: var(--ink-soft); margin-top: 3px; }
.ov-a::before { content: "A  "; color: var(--good); font-weight: 800; }

.hint { font-family: ui-sans-serif, system-ui, sans-serif; font-size:.85rem; color: var(--ink-soft); }
.empty { text-align:center; color: var(--ink-soft); padding: 50px 0; font-family: ui-sans-serif, system-ui, sans-serif; }

footer.site { border-top: 1px solid var(--line); padding: 26px 0; color: var(--ink-soft); font-family: ui-sans-serif, system-ui, sans-serif; font-size:.82rem; text-align:center; }

@media (max-width: 620px) {
  .outline-table .extra-col { display:none; }
  .book-head h1 { font-size: 1.8rem; }
}