:root {
  --paper: #f4efe6;
  --ink: #1c1916;
  --muted: #6b6258;
  --line: #ddd4c6;
  --card: #fbf7f0;
  --accent: #c17f3e;
  --star: #c17f3e;
  --mark: #f3e08a;
  --safe-b: 5.5rem;
  --sans: "Quicksand", system-ui, "Segoe UI", sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
}
html[data-theme="dark"] {
  --paper: #1a1815;
  --ink: #efe8dc;
  --muted: #b3a99b;
  --line: #3a342c;
  --card: #24211c;
  --accent: #d4a06a;
  --star: #d4a06a;
  --mark: #6b5a1e;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.5 var(--serif);
}
button, input, textarea {
  color: inherit;
}
button, input, textarea, .tabbar, .top, .pill, .chip, .lang, .kicker, .qnum, .filters, .row small, .sub {
  font-family: var(--sans);
}
.prompt, .block p, .note {
  font-family: var(--serif);
}
a { color: var(--accent); text-decoration: none; }
.app { min-height: 100dvh; padding-bottom: var(--safe-b); }
.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: .4rem;
  padding: .45rem .75rem;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top .grow { flex: 1; min-width: 0; }
.crumbs {
  display: flex; gap: .3rem; flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.crumbs::-webkit-scrollbar { display: none; }
.pill {
  border: 0;
  background: transparent;
  border-radius: 0;
  padding: 0;
  font-size: .72rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
}
.pill + .pill::before {
  content: "›";
  margin-right: .3rem;
  color: var(--line);
}
.iconbtn {
  border: 0;
  background: transparent;
  border-radius: .45rem;
  width: 2rem; height: 2rem;
  display: grid; place-items: center;
  cursor: pointer;
}
.iconbtn:active { background: var(--card); }
.iconbtn[disabled], .lang[data-off="1"] {
  opacity: .45;
  cursor: not-allowed;
}
.lang {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: .55rem;
  padding: .2rem .45rem;
  font-size: .75rem;
  letter-spacing: .04em;
}
.home {
  padding: 3.2rem 1.25rem 2rem;
  text-align: center;
}
.kicker { letter-spacing: .18em; font-size: .72rem; color: var(--muted); }
h1 {
  font-weight: 500;
  font-size: 2.1rem;
  margin: .35rem 0;
}
.rule { width: 4rem; height: 1px; background: var(--line); margin: 1rem auto; }
.sub { color: var(--muted); margin-bottom: 1.8rem; }
.primary {
  display: block; width: min(22rem, 100%);
  margin: 0 auto;
  background: var(--ink); color: var(--paper);
  border: 0; border-radius: .85rem;
  padding: .95rem 1rem;
  cursor: pointer;
}
.ghost {
  display: block; margin: 1rem auto 0;
  background: none; border: 0;
  color: var(--ink);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.jump {
  display: none;
  width: min(22rem, 100%);
  margin: 1rem auto 0;
  padding: .7rem .8rem;
  border: 1px solid var(--line);
  border-radius: .7rem;
  background: var(--card);
}
.page { padding: .7rem .95rem 1.4rem; }
.qhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
}
.qnum {
  font-size: 1.15rem;
  margin: 0;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--muted);
}
.prompt { font-size: 1.28rem; margin: .35rem 0 .8rem; font-weight: 500; }
.hint {
  color: var(--muted);
  font-size: .78rem;
  margin: .85rem 0 .35rem;
  display: block;
}
.ghost-chip { margin: 0 0 .4rem; }
.note {
  width: 100%;
  min-height: 2.6rem;
  border: 1px dashed var(--line);
  background: transparent;
  border-radius: .55rem;
  padding: .45rem .6rem;
  font-size: .95rem;
}
.qnav {
  display: flex; justify-content: space-between; gap: .5rem;
  margin: .9rem 0 .2rem;
}
.qnav button {
  border: 0;
  background: transparent;
  padding: .35rem 0;
  cursor: pointer;
  font-weight: 600;
  font-size: .85rem;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: .15rem;
}
.qnav button[disabled] { opacity: .28; cursor: default; }
.comments {
  margin-top: 1rem;
  padding-top: .75rem;
  border-top: 1px solid var(--line);
}
.block {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: .8rem;
  padding: .9rem 1rem;
  margin: .7rem 0;
}
.block h2 {
  margin: 0 0 .35rem;
  font-size: .82rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
.block p { margin: 0; }
.block p + p { margin-top: .6rem; }
.mark { background: var(--mark); }
.list { display: grid; gap: .65rem; }
.row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .4rem;
  align-items: start;
  padding: .15rem 0;
  border: 0;
  background: transparent;
}
.row-main {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .7rem;
  align-items: start;
  padding: .7rem .75rem;
  border: 1px solid var(--line);
  border-radius: .8rem;
  background: var(--card);
  text-align: left;
  cursor: pointer;
  width: 100%;
}
button.row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .7rem;
  align-items: start;
  padding: .7rem .75rem;
  border: 1px solid var(--line);
  border-radius: .8rem;
  background: var(--card);
  text-align: left;
  cursor: pointer;
}
.row .n { font-size: 1.05rem; color: var(--accent); font-weight: 600; min-width: 2.4rem; }
.row small { display: block; color: var(--muted); font-size: .78rem; }
.top .search-wrap {
  margin: 0;
  width: 100%;
}
  display: flex;
  align-items: center;
  gap: .45rem;
  margin: .55rem 0 0;
  padding: .15rem .7rem;
  border: 1px solid var(--line);
  border-radius: .7rem;
  background: var(--card);
}
.search-wrap .search {
  margin: 0;
  border: 0;
  background: transparent;
  padding: .55rem 0;
}
.search-wrap [data-icon] { color: var(--muted); }
.tagline {
  font-family: var(--sans);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--muted);
  margin: .25rem 0 .15rem;
}
.index-actions { display: flex; flex-wrap: wrap; gap: .4rem; margin: .55rem 0 .35rem; }
.index-parte h2 {
  font-family: var(--sans);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 1.2rem 0 .45rem;
}
.index .list { margin-bottom: .3rem; }
.search {
  width: 100%;
  margin: 0 0 .8rem;
  padding: .7rem .8rem;
  border: 1px solid var(--line);
  border-radius: .7rem;
  background: var(--card);
}
.filters { display: flex; gap: .4rem; margin: 0 0 .9rem; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: .3rem .75rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.chip.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0;
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #000;
  background: #111;
  color: #fff;
  padding: .35rem .3rem calc(.35rem + env(safe-area-inset-bottom));
  z-index: 20;
}
.tabbar button {
  background: none; border: 0;
  color: rgba(255,255,255,.62);
  font-size: .72rem;
  padding: .35rem 0;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .15rem;
}
.tabbar button.on { color: #fff; }
.tabbar button.on [data-icon] svg { stroke: var(--accent); }
.tabbar [data-icon] svg {
  width: 1.35rem;
  height: 1.35rem;
}
.tools { display: flex; gap: .15rem; align-items: center; }
.empty { color: var(--muted); padding: 2rem 0; text-align: center; }
.star.on { color: var(--star); }
[data-icon] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  vertical-align: middle;
}
[data-icon] svg {
  display: block;
}
.iconbtn [data-icon] svg {
  width: 18px;
  height: 18px;
}
.star.on [data-icon] svg,
[data-icon].filled svg {
  fill: currentColor;
}
.lang {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
}
.kicker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
}
.kicker .brand { color: #c17f3e; }
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(4.2rem + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: #111;
  color: #fff;
  padding: .55rem .9rem;
  border-radius: .6rem;
  font-size: .85rem;
  z-index: 40;
  white-space: nowrap;
}