:root {
  color-scheme: dark;
  --bg: #000;
  --fg: #fff;
  --dim: rgba(255, 255, 255, 0.62);
  --quiet: rgba(255, 255, 255, 0.4);
  --line: rgba(255, 255, 255, 0.32);
  --faint: rgba(255, 255, 255, 0.14);
  --serif: "Iowan Old Style", Palatino, "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --mono: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: #000;
  color: #fff;
}

body {
  font-family: var(--serif);
  font-size: 1.2rem;
  line-height: 1.75;
  min-height: 100vh;
}

a {
  color: #fff;
  text-underline-offset: 0.18em;
}

a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 1px solid #fff;
  outline-offset: 3px;
}

.wrap {
  max-width: 70ch;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 5rem;
}

.wide {
  max-width: 78rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.9rem;
  margin-bottom: 1.75rem;
}

.site-nav a { text-decoration: none; }
.site-nav a[aria-current="page"] { text-decoration: underline; }
.site-nav .brand { margin-right: auto; font-weight: 650; }

.kicker {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 0 0 0.4rem;
}

h1, h2, h3 {
  font-weight: 560;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

h1 { font-size: 2.15rem; margin: 0 0 0.6rem; }
h2 { font-size: 1.45rem; margin: 2.4rem 0 0.7rem; }
h3 { font-size: 1.12rem; margin: 1.4rem 0 0.4rem; }

p { margin: 0.7rem 0; }

.lede { font-size: 1.28rem; }

.toc {
  border: 1px solid var(--line);
  padding: 0.8rem 1rem 0.9rem;
  margin: 1.2rem 0 1.6rem;
}

.toc ol { margin: 0.3rem 0 0; padding-left: 1.3rem; }
.toc a { text-decoration: none; }
.toc a:hover { text-decoration: underline; }

.pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  margin: 0.4rem 0 1.2rem;
}

.pager a { text-decoration: none; }

ol.spine, ul.clean { padding-left: 1.25rem; }
ol.spine > li, ul.clean > li { margin: 0.85rem 0; }

.meta, .note, figcaption, .why, .tier-label {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.45;
}

.paid {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  border: 1px solid var(--line);
  padding: 0.05rem 0.35rem;
  vertical-align: 0.15em;
}

.resource { margin: 0.35rem 0 0.8rem; }
.resource a { font-weight: 560; }

.hidden-block[hidden] { display: none !important; }

button, .btn {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: #000;
  color: #fff;
  border: 1px solid #fff;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
}

button:disabled {
  color: var(--quiet);
  border-color: var(--line);
  cursor: not-allowed;
}

.timer {
  font-family: var(--mono);
  font-size: 0.85rem;
  margin: 0.35rem 0 0.6rem;
}

.attack, .gate, .batch, .bank-item, .card {
  border-top: 1px solid var(--faint);
  padding-top: 0.8rem;
  margin-top: 0.8rem;
}

.diagram {
  margin: 1.2rem 0 0.4rem;
  background: #000;
}

.diagram svg {
  width: 100%;
  height: auto;
  display: block;
  background: #000;
}

.katex, .katex * { color: #fff !important; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--faint);
  padding: 0.55rem 0.45rem 0.55rem 0;
}

th {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--dim);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1rem 0 1.2rem;
}

label.field {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

select, input[type="search"], textarea {
  background: #000;
  color: #fff;
  border: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 1rem;
  padding: 0.4rem 0.5rem;
}

.checks { list-style: none; padding: 0; }
.checks li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  border-bottom: 1px solid var(--faint);
  padding: 0.55rem 0;
}

.checks input { margin-top: 0.45rem; accent-color: #fff; }

.ladder {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.ladder li {
  display: grid;
  grid-template-columns: 2.2rem 1fr auto;
  gap: 0.7rem;
  align-items: baseline;
  border-left: 1px solid var(--line);
  padding: 0.45rem 0 0.45rem 0.9rem;
  margin-left: 0.4rem;
}

.ladder li.here { border-left-width: 3px; }
.ladder .pct {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--dim);
}

.bar {
  height: 2px;
  background: var(--faint);
  margin-top: 0.35rem;
}

.bar > span {
  display: block;
  height: 2px;
  background: #fff;
  width: 0;
}

.columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 860px) {
  .columns { grid-template-columns: 1.3fr 0.7fr; }
}

.stat {
  font-family: var(--mono);
  font-size: 2rem;
  line-height: 1;
  margin: 0.2rem 0;
}

footer.colophon {
  margin-top: 3rem;
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.map-svg { margin: 1rem 0 1.5rem; }

.due { font-family: var(--mono); font-size: 0.78rem; }

.grade {
  margin: 1rem 0;
  padding: 0.8rem 0 0.2rem;
  border-top: 1px solid var(--line);
}

.field {
  display: block;
  margin: 0.8rem 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dim);
}

.field textarea,
.field input[type="text"] {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  background: #000;
  color: #fff;
  border: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.5;
  letter-spacing: 0;
  text-transform: none;
  padding: 0.55rem 0.65rem;
}

.verdict {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--dim);
  min-height: 1.4em;
}

.verdict.ok { color: #fff; }