/* EPIC — epic.availabooks.com */

:root {
  --bg: #fbf8f2;
  --surface: #ffffff;
  --surface-2: #f3eee3;
  --text: #2a2620;
  --muted: #6b6357;
  --line: #ddd4c4;
  --accent: #7a2e1f;        /* oxblood */
  --accent-ink: #ffffff;
  --link: #8a3a22;
  --official: #24553a;
  --official-bg: #e3efe6;
  --community: #5a4a8a;
  --community-bg: #ece8f6;
  --warn-bg: #fbecd9;
  --warn-line: #d9a35c;
  --callout-bg: #eef2f6;
  --callout-line: #9fb3c8;
  --code-bg: #f1ece2;
  --serif: "Taviraj", Georgia, "Times New Roman", serif;
  --sans: "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius: 8px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1b1916; --surface: #24211d; --surface-2: #2d2924; --text: #ece6da; --muted: #a9a090;
    --line: #3d3830; --accent: #c8644a; --accent-ink: #1b1916; --link: #e39a7f;
    --official: #8fd0a6; --official-bg: #213529; --community: #bcb0ec; --community-bg: #2b2740;
    --warn-bg: #3a2e1d; --warn-line: #8a6a3a; --callout-bg: #1f2833; --callout-line: #47607a; --code-bg: #2d2924;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #1b1916; --surface: #24211d; --surface-2: #2d2924; --text: #ece6da; --muted: #a9a090;
  --line: #3d3830; --accent: #c8644a; --accent-ink: #1b1916; --link: #e39a7f;
  --official: #8fd0a6; --official-bg: #213529; --community: #bcb0ec; --community-bg: #2b2740;
  --warn-bg: #3a2e1d; --warn-line: #8a6a3a; --callout-bg: #1f2833; --callout-line: #47607a; --code-bg: #2d2924;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 1.125rem/1.6 var(--serif);
  overflow-wrap: break-word;
}
a { color: var(--link); }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3, h4 { line-height: 1.25; margin: 1.6em 0 .5em; }
h1 { font-size: clamp(1.8rem, 5vw, 2.5rem); margin-top: .6em; }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.15rem; }
code { font-size: .9em; background: var(--code-bg); padding: .1em .35em; border-radius: 4px; }
cite { font-style: italic; }
.wrap { max-width: 64rem; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.lede { font-size: 1.2rem; color: var(--muted); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 8px; top: 8px; background: var(--surface); padding: 8px; z-index: 10; }

/* header & footer */
.site-header { border-bottom: 1px solid var(--line); background: var(--surface); font-family: var(--sans); }
.header-inner { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; justify-content: space-between; padding-top: 12px; padding-bottom: 12px; }
.brand { text-decoration: none; color: var(--text); display: flex; flex-direction: column; }
.brand-mark { font: 700 1.35rem/1 var(--serif); letter-spacing: .12em; color: var(--accent); }
.brand-sub { font-size: .8rem; color: var(--muted); }
.site-nav { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: .95rem; }
.site-nav a { text-decoration: none; color: var(--text); padding: 6px 0; }
.site-nav a:hover { color: var(--link); text-decoration: underline; }
.site-footer { margin-top: 64px; border-top: 1px solid var(--line); font: .9rem/1.5 var(--sans); color: var(--muted); padding: 16px 0 32px; }

/* buttons, badges, chips */
.btn {
  display: inline-block; font: 500 .95rem/1.2 var(--sans); padding: 10px 16px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--surface); color: var(--text); cursor: pointer; text-decoration: none;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-big { font-size: 1.1rem; padding: 14px 22px; }
.btn-quiet { background: transparent; }
.btn.copied { background: var(--official); border-color: var(--official); color: var(--accent-ink); }
.btn-link { background: none; border: 0; padding: 0; font: inherit; color: var(--link); text-decoration: underline; cursor: pointer; }
.btn-link:disabled { color: var(--muted); cursor: default; }
.badge { display: inline-block; font: 500 .72rem/1 var(--sans); letter-spacing: .03em; text-transform: uppercase; padding: 4px 8px; border-radius: 999px; margin-right: 4px; vertical-align: middle; }
.badge-official { background: var(--official-bg); color: var(--official); }
.badge-community { background: var(--community-bg); color: var(--community); }
.badge-type { background: var(--surface-2); color: var(--muted); }
.badge-unpublished { background: var(--warn-bg); color: var(--text); }
.badge-featured { background: var(--callout-bg); color: var(--text); }
.card-badges { font-family: var(--sans); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; font-family: var(--sans); }
.chip { font-size: .9rem; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; color: var(--text); background: var(--surface); }
.chip.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* layout pieces */
.hero { padding: 24px 0 8px; }
.hero h1 { max-width: 20em; }
.epic-grid { list-style: none; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); }
.epic-grid li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; gap: 4px; }
.epic-grid .letter { font: 700 2rem/1 var(--serif); color: var(--accent); }
.epic-grid span:last-child { color: var(--muted); font-size: 1rem; }
.cards { list-style: none; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.card h3 { margin: .4em 0 .2em; }
.card p { margin: .3em 0; font-size: 1rem; }
.crumbs { font: .9rem var(--sans); color: var(--muted); margin-top: 16px; }
.meta { list-style: none; padding: 0; font-size: 1rem; }
.meta li { margin: 4px 0; }
.from-book { font: .95rem/1.4 var(--sans); background: var(--surface-2); border-radius: var(--radius); padding: 10px 14px; margin-top: 16px; }
.callout { background: var(--callout-bg); border-left: 4px solid var(--callout-line); padding: 10px 14px; border-radius: 4px; }
.warn { background: var(--warn-bg); border-left: 4px solid var(--warn-line); padding: 10px 14px; border-radius: 4px; }
.warn ul, .callout ul { margin: .3em 0; }
.prose { max-width: 42rem; }
.study { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 20px 16px; max-width: none; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 1rem; }
th, td { text-align: left; vertical-align: top; padding: 6px 10px; border-bottom: 1px solid var(--line); }
th { font-family: var(--sans); font-size: .85rem; color: var(--muted); }
.timeline { list-style: none; padding: 0; }
.timeline li { padding: 6px 0; border-bottom: 1px dotted var(--line); }
.timeline li p { display: inline; }
.tl-date { font: 500 .85rem var(--sans); color: var(--accent); display: block; }

/* practice box */
.practice { background: var(--surface); border: 2px solid var(--accent); border-radius: var(--radius); padding: 4px 20px 20px; margin: 32px 0; }
.steps { padding-left: 1.4em; }
.copybox { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin: 12px 0; font-family: var(--sans); font-size: .95rem; }
.copy-src { width: 100%; min-height: 10rem; font: .85rem/1.4 ui-monospace, Menlo, Consolas, monospace; }
.parts-detail summary { cursor: pointer; font-family: var(--sans); margin: 8px 0; }
.part-piece { border-top: 1px solid var(--line); padding-top: 8px; margin-top: 8px; }
.part-piece-head { font-family: var(--sans); font-size: .95rem; }
.paste-preview {
  white-space: pre-wrap; font: .82rem/1.5 ui-monospace, Menlo, Consolas, monospace; background: var(--surface-2);
  padding: 12px; border-radius: 6px; max-height: 24rem; overflow: auto;
}
.ooc-help { font-size: 1rem; }
.ooc-help h3 { margin-top: 1em; }

/* forms (builder & admin) */
.field { margin: 14px 0; }
.field label { display: block; font: 500 .95rem var(--sans); margin-bottom: 4px; }
.help { font: .85rem/1.4 var(--sans); color: var(--muted); margin: 0 0 6px; }
input[type="text"], input[type="email"], input[type="url"], input[type="date"], select, textarea {
  width: 100%; font: 1rem/1.4 var(--sans); padding: 9px 10px; border: 1px solid var(--line); border-radius: 6px;
  background: var(--surface); color: var(--text);
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus, .btn:focus-visible, a:focus-visible { outline: 3px solid var(--callout-line); outline-offset: 1px; }
label.inline { font: .95rem var(--sans); display: inline-flex; gap: 6px; align-items: center; margin: 8px 0; }
.builder { display: grid; gap: 24px; }
.builder-form h2:first-of-type { margin-top: .6em; }
.builder-preview { position: relative; }
.builder-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.share-status { word-break: break-all; }
.todo { font-size: 1rem; }
.advanced { margin: 24px 0; font-family: var(--sans); }
@media (min-width: 60rem) {
  .builder { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: start; }
  .builder-preview { position: sticky; top: 16px; margin-top: 16px; }
}

/* admin */
.admin-table td.actions { white-space: nowrap; font-family: var(--sans); font-size: .9rem; }
.admin-table td.actions > * { margin-right: 10px; }
.admin-cols { display: grid; gap: 24px; }
@media (min-width: 64rem) {
  main:has(.admin-editor) { max-width: 90rem; }
  .admin-cols { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; }
  .admin-side { position: sticky; top: 16px; }
}
.timeline-editor .tl-row { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr) auto; gap: 6px; margin-bottom: 6px; align-items: start; }
.tl-btns { display: flex; gap: 8px; padding-top: 8px; }
.inline-form { display: grid; gap: 8px; grid-template-columns: 1fr; margin: 16px 0; }
@media (min-width: 40rem) { .inline-form { grid-template-columns: 2fr 1.5fr 1fr auto; } }
.versions summary { cursor: pointer; font-family: var(--sans); }
.versions li { font-size: .9rem; font-family: var(--sans); margin: 4px 0; }