/* ===========================================================================
   World Mythology — Personal Field Guide
   Aesthetic: mid-2000s university course page. Cream paper, serifs, ruled
   tables, Oxford-blue underlined links. Restrained modern flair for the
   graph, progress bars, and coverage map.
   =========================================================================== */

:root {
  --paper:      #fbf8f0;
  --paper-2:    #f4efe2;
  --ink:        #2b2620;
  --ink-soft:   #5c5346;
  --rule:       #c9bfa8;
  --rule-soft:  #e3dcc8;
  --link:       #1a3c66;   /* oxford blue */
  --link-visit: #5a3a78;
  --maroon:     #7a2e2e;   /* academic accent */
  --gold:       #9a7b28;
  --seen:       #3f6d45;   /* muted green for "seen" */
  --unseen:     #b9ad8f;
  --shadow:     rgba(60,50,30,.14);
  --serif:      Georgia, "Times New Roman", Times, serif;
  --sans:       "Gill Sans", "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  --mono:       "Courier New", Courier, monospace;
  --maxw:       1100px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:#1c1a15; --paper-2:#26231b; --ink:#e9e2d2; --ink-soft:#b3a98f;
    --rule:#4a4335; --rule-soft:#332f26; --link:#8fb4e0; --link-visit:#c3a3dc;
    --maroon:#d98d8d; --gold:#d3b459; --seen:#7db486; --shadow:rgba(0,0,0,.5);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 27px, rgba(120,100,60,.045) 28px);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.55;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px 80px; }

/* ---- Masthead: the "course header" ------------------------------------- */
.masthead {
  border-bottom: 3px double var(--rule);
  margin-bottom: 6px; padding: 26px 0 14px;
}
.masthead .kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--maroon); margin: 0 0 6px;
}
.masthead h1 {
  font-size: 30px; margin: 0 0 4px; font-weight: normal; letter-spacing: -.01em;
}
.masthead .sub { color: var(--ink-soft); font-style: italic; margin: 0; }
.masthead .meta {
  font-family: var(--mono); font-size: 11.5px; color: var(--ink-soft);
  margin-top: 10px;
}

/* ---- Nav (simple text links, classic) ---------------------------------- */
nav.course {
  display: flex; flex-wrap: wrap; gap: 4px 20px; align-items: baseline;
  padding: 10px 0 12px; border-bottom: 1px solid var(--rule);
  margin-bottom: 26px; font-family: var(--sans); font-size: 14.5px;
}
nav.course a { text-decoration: none; border-bottom: 1px solid transparent; padding-bottom: 1px; }
nav.course a:hover { border-bottom-color: var(--link); }
nav.course a.active { color: var(--maroon); font-weight: bold; }
nav.course .spacer { flex: 1; }

a { color: var(--link); text-decoration: underline; text-underline-offset: 2px; }
a:visited { color: var(--link-visit); }

h2 {
  font-size: 22px; font-weight: normal; margin: 38px 0 4px;
  border-bottom: 1px solid var(--rule-soft); padding-bottom: 4px;
}
h2 .count { font-family: var(--mono); font-size: 13px; color: var(--ink-soft); float: right; }
h3 { font-size: 17px; margin: 22px 0 6px; color: var(--maroon); }
p.lede { font-size: 18px; color: var(--ink-soft); }
.small { font-size: 13.5px; color: var(--ink-soft); }
.mono { font-family: var(--mono); }

/* ---- "index card" callout ---------------------------------------------- */
.card {
  background: var(--paper-2); border: 1px solid var(--rule);
  border-left: 4px solid var(--gold); border-radius: 2px;
  padding: 14px 18px; margin: 18px 0; box-shadow: 1px 1px 0 var(--shadow);
}
.card h3 { margin-top: 0; }

/* ---- Syllabus / episode table ------------------------------------------ */
table.syllabus { width: 100%; border-collapse: collapse; margin: 8px 0 4px; }
table.syllabus th {
  text-align: left; font-family: var(--sans); font-size: 12px; letter-spacing: .06em;
  text-transform: uppercase; color: var(--ink-soft); border-bottom: 2px solid var(--rule);
  padding: 6px 8px;
}
table.syllabus td { padding: 9px 8px; border-bottom: 1px solid var(--rule-soft); vertical-align: top; }
table.syllabus tr.is-seen td { background: rgba(63,109,69,.06); }
table.syllabus .ep-no { font-family: var(--mono); color: var(--ink-soft); white-space: nowrap; }
table.syllabus .ep-title { font-weight: bold; }
table.syllabus .ep-sum { color: var(--ink-soft); font-size: 14px; }
table.syllabus .theme-tag {
  font-family: var(--sans); font-size: 11px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--maroon); border: 1px solid var(--rule); border-radius: 10px; padding: 1px 8px; white-space: nowrap;
}

/* checkbox for "seen" */
label.seen-check { display: inline-flex; align-items: center; gap: 7px; cursor: pointer; font-size: 14px; font-family: var(--sans); }
label.seen-check input { width: 16px; height: 16px; accent-color: var(--seen); }

/* ---- Progress bars ------------------------------------------------------ */
.progress-row { display: flex; align-items: center; gap: 14px; margin: 10px 0; }
.progress-row .plabel { width: 190px; font-family: var(--sans); font-size: 14px; }
.progress-row .ptrack { flex: 1; height: 15px; background: var(--paper-2); border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; }
.progress-row .pfill { height: 100%; background: linear-gradient(90deg, var(--seen), #6a9a70); }
.progress-row .pnum { width: 64px; text-align: right; font-family: var(--mono); font-size: 13px; color: var(--ink-soft); }

/* ---- Stat tiles --------------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px,1fr)); gap: 12px; margin: 18px 0; }
.stat { background: var(--paper-2); border: 1px solid var(--rule); border-radius: 3px; padding: 12px 14px; text-align: center; }
.stat .n { font-size: 30px; color: var(--maroon); font-family: var(--serif); }
.stat .l { font-family: var(--sans); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); }

/* ---- Coverage grid (cultures) ------------------------------------------ */
.cov-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px,1fr)); gap: 12px; margin: 14px 0; }
.cov { border: 1px solid var(--rule); border-radius: 3px; padding: 11px 13px; background: var(--paper-2); }
.cov.seen { border-left: 4px solid var(--seen); }
.cov.important { border-left: 4px solid var(--rule); opacity: .92; }
.cov .cov-name { font-weight: bold; }
.cov .cov-name .badge {
  font-family: var(--sans); font-size: 10px; text-transform: uppercase; letter-spacing: .05em;
  padding: 1px 6px; border-radius: 8px; margin-left: 6px; vertical-align: 1px;
}
.cov .badge.b-seen { background: rgba(63,109,69,.16); color: var(--seen); }
.cov .badge.b-gap  { background: rgba(122,46,46,.12); color: var(--maroon); }
.cov .cov-blurb { font-size: 13.5px; color: var(--ink-soft); margin: 5px 0 8px; }
.cov ul { margin: 0; padding-left: 18px; font-size: 13.5px; }
.cov li.done { color: var(--seen); }
.cov li.todo { color: var(--ink-soft); }
.cov li.done::marker { content: "✓ "; }

/* ---- Graph page -------------------------------------------------------- */
body[data-page="graph"] .wrap { max-width: 1440px; }
.graph-shell { display: grid; grid-template-columns: 1fr 300px; gap: 18px; margin-top: 14px; }
#graph { width: 100%; height: 760px; border: 1px solid var(--rule); border-radius: 3px;
  background: var(--paper-2); touch-action: none; }
.graph-side { border: 1px solid var(--rule); border-radius: 3px; padding: 14px; background: var(--paper-2); min-height: 200px; }
.graph-side .placeholder { color: var(--ink-soft); font-style: italic; }
.graph-side h3 { margin-top: 0; }
.graph-side .etype { font-family: var(--mono); font-size: 11px; text-transform: uppercase; color: var(--ink-soft); }
.graph-side ul { padding-left: 16px; font-size: 14px; }
.graph-side .rel-hidden { color: var(--ink-soft); }
.side-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 16px; margin: 12px 0; font-family: var(--sans); font-size: 13px; }
.legend .k { display: inline-flex; align-items: center; gap: 6px; }
.legend .dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.controls { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; margin: 10px 0; font-family: var(--sans); font-size: 14px; }
.controls label { display: inline-flex; align-items: center; gap: 6px; }
.controls select, .controls input[type=search] { font-family: var(--sans); padding: 4px 7px; border: 1px solid var(--rule); border-radius: 3px; background: var(--paper); color: var(--ink); }
.btn { font-family: var(--sans); font-size: 13px; padding: 4px 12px; border: 1px solid var(--rule); background: var(--paper); color: var(--ink); border-radius: 3px; cursor: pointer; }
.btn:hover { background: var(--paper-2); }

/* ---- Quiz / flashcards -------------------------------------------------- */
.quiz-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; font-family: var(--sans); font-size: 13px; color: var(--ink-soft); margin: 6px 0 16px; }
.quiz-meta b { color: var(--maroon); font-size: 15px; }
.quiz-stage {
  border: 1px solid var(--rule); border-left: 5px solid var(--gold); border-radius: 3px;
  background: var(--paper-2); padding: 26px 26px 22px; min-height: 220px;
  box-shadow: 1px 2px 0 var(--shadow); display: flex; flex-direction: column;
}
.quiz-stage .qtype { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-soft); margin-bottom: 10px; }
.quiz-stage .qtext { font-size: 22px; line-height: 1.4; }
.quiz-stage .qhr { border: none; border-top: 1px dashed var(--rule); margin: 18px 0 14px; }
.quiz-stage .qanswer { font-size: 18px; color: var(--ink); }
.quiz-stage .qanswer .lead { font-family: var(--sans); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--seen); display: block; margin-bottom: 4px; }
.quiz-stage .qextra { margin-top: 12px; font-size: 14px; color: var(--ink-soft); }
.quiz-actions { margin-top: auto; padding-top: 18px; }
.btn-show { font-family: var(--sans); font-size: 15px; padding: 9px 22px; border: 1px solid var(--rule); background: var(--paper); color: var(--ink); border-radius: 4px; cursor: pointer; }
.btn-show:hover { background: var(--paper); border-color: var(--gold); }
.grade-btns { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.grade { position: relative; font-family: var(--sans); border: 1px solid var(--rule); border-radius: 4px; padding: 9px 6px 7px; cursor: pointer; background: var(--paper); color: var(--ink); text-align: center; line-height: 1.2; }
.grade:hover { border-width: 2px; padding: 8px 5px 6px; }
.grade .g-name { font-size: 15px; display: block; }
.grade .g-when { font-size: 11px; color: var(--ink-soft); font-family: var(--mono); display: block; margin-top: 2px; }
.grade .g-key { position: absolute; top: 4px; right: 5px; font-family: var(--mono); font-size: 10px; color: var(--ink-soft); border: 1px solid var(--rule); border-radius: 3px; padding: 0 3px; }
.grade.again { border-left: 4px solid #a33; } .grade.again .g-name { color: #a33; }
.grade.hard  { border-left: 4px solid #b7791f; }
.grade.good  { border-left: 4px solid var(--seen); }
.grade.easy  { border-left: 4px solid #2f6f8f; }
.quiz-empty { text-align: center; padding: 30px 10px; }
.quiz-empty .big { font-size: 40px; color: var(--seen); }
.quiz-schedule { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 14px; }
.quiz-schedule td { padding: 5px 8px; border-bottom: 1px solid var(--rule-soft); }
.quiz-schedule td.when { font-family: var(--mono); color: var(--ink-soft); text-align: right; white-space: nowrap; }
kbd { font-family: var(--mono); font-size: 12px; background: var(--paper); border: 1px solid var(--rule); border-bottom-width: 2px; border-radius: 3px; padding: 0 5px; }

/* ---- Motifs explorer ---------------------------------------------------- */
.motif { margin-bottom: 30px; }
.motif-lede { font-size: 16px; color: var(--ink-soft); margin: 4px 0 12px; }
.motif-tag { font-family: var(--sans); font-size: 11px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--maroon); border: 1px solid var(--rule); border-radius: 10px; padding: 1px 8px; margin-left: 8px; white-space: nowrap; }

/* ---- Sync widget -------------------------------------------------------- */
.sync-fab { position: fixed; right: 14px; bottom: 14px; z-index: 50; font-family: var(--sans); font-size: 13px;
  display: flex; align-items: center; gap: 7px; background: var(--paper-2); border: 1px solid var(--rule);
  border-radius: 20px; padding: 6px 13px; cursor: pointer; box-shadow: 1px 2px 5px var(--shadow); color: var(--ink); }
.sync-fab:hover { border-color: var(--gold); }
.sync-fab .dot { width: 9px; height: 9px; border-radius: 50%; background: #b0a68c; }
.sync-fab.ok .dot { background: var(--seen); }
.sync-fab.err .dot { background: #a33; }
.sync-fab.syncing .dot { background: var(--gold); }
.sync-modal-bg { position: fixed; inset: 0; background: rgba(20,16,8,.42); z-index: 60; display: flex;
  align-items: center; justify-content: center; padding: 20px; }
.sync-modal { background: var(--paper); border: 1px solid var(--rule); border-radius: 6px; max-width: 460px;
  width: 100%; padding: 22px 24px; box-shadow: 0 10px 34px var(--shadow); font-family: var(--serif); }
.sync-modal h3 { margin: 0 0 8px; color: var(--maroon); font-weight: normal; }
.sync-modal input[type=text] { width: 100%; font-family: var(--mono); font-size: 13px; padding: 8px;
  border: 1px solid var(--rule); border-radius: 4px; background: var(--paper-2); color: var(--ink); margin-top: 4px; }
.sync-modal .row { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.sync-code { font-family: var(--mono); font-size: 14px; background: var(--paper-2); border: 1px solid var(--rule);
  border-radius: 4px; padding: 9px; word-break: break-all; user-select: all; margin: 6px 0; }
.sync-close { float: right; cursor: pointer; color: var(--ink-soft); font-size: 22px; line-height: 1; border: none; background: none; }
.sync-note { font-size: 13px; color: var(--ink-soft); margin: 8px 0 0; }

footer.course { border-top: 3px double var(--rule); margin-top: 60px; padding-top: 14px; font-size: 13px; color: var(--ink-soft); font-family: var(--sans); }

.note-inline { font-size: 13px; color: var(--ink-soft); font-style: italic; }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .graph-shell { grid-template-columns: 1fr; }
  #graph { height: 440px; }
  .progress-row .plabel { width: 130px; }
  table.syllabus .ep-sum { display: none; }
  nav.course .spacer { display: none; }
}