/* FPL Manager — FPL purple/green, still typeset for reading. */
:root {
  --pl: #37003c;
  --pl-2: #4a1458;
  --green: #00ff87;
  --paper: #f4f0f7;
  --paper-2: #ebe4f0;
  --ink: #37003c;
  --muted: #5c4e66;
  --rule: #d5cbe0;
  --chalk: #37003c;
  --chalk-ink: #f4f0f7;
  --chalk-muted: #9aefc4;
  --focus: #00ff87;
  --max: 68rem;
  --prose: 39rem;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --serif: "Fraunces", "Iowan Old Style", Palatino, serif;
  --mono: "IBM Plex Mono", "Consolas", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.55;
  font-feature-settings: "kern" 1, "liga" 1;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--pl);
  text-decoration-color: var(--green);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--pl-2);
}

:focus-visible {
  outline: 2px solid var(--pl);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  background: var(--green);
  color: var(--pl);
  padding: 0.4rem 0.7rem;
  z-index: 20;
}

.skip:focus {
  top: 0.75rem;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.prose {
  width: min(100%, var(--prose));
}

/* Header */
.site-header {
  background: var(--pl);
  color: #fff;
  border-bottom: none;
  padding: 0.95rem 0 0.2rem;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: inherit;
}

.brand:hover {
  color: inherit;
}

.mark {
  width: 2.75rem;
  height: 2.75rem;
  flex: none;
}

.brand-name {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
  font-variation-settings: "SOFT" 30, "WONK" 1, "opsz" 40;
}

.brand-tag {
  display: block;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  margin-top: 0.1rem;
}

nav {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
  font-size: 0.92rem;
}

nav a {
  color: #fff;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 0.1rem;
}

nav a:hover,
nav a[aria-current="page"] {
  border-bottom-color: var(--green);
  color: var(--green);
}

/* Type */
.kicker {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.6rem;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.12;
  text-wrap: balance;
  font-variation-settings: "SOFT" 35, "WONK" 1, "opsz" 72;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 4.1rem);
  margin: 0 0 0.8rem;
}

h2 {
  font-size: clamp(1.55rem, 3vw, 2.05rem);
  margin: 2.4rem 0 0.7rem;
}

h3 {
  font-size: 1.2rem;
  margin: 1.6rem 0 0.45rem;
}

.lede {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2.2vw, 1.45rem);
  line-height: 1.4;
  font-weight: 400;
  font-variation-settings: "SOFT" 50, "opsz" 22;
  max-width: 38rem;
}

.muted {
  color: var(--muted);
}

p {
  margin: 0 0 1rem;
}

.masthead {
  width: 100%;
  background: var(--pl);
  color: #fff;
  padding: 2.4rem 0 2.8rem;
  border-bottom: 4px solid var(--green);
}

.masthead .kicker {
  color: var(--green);
}

.masthead .lede {
  margin-bottom: 1.6rem;
  color: rgba(255, 255, 255, 0.9);
}

.masthead a:not(.btn) {
  color: var(--green);
  text-decoration-color: var(--green);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.2rem;
  align-items: center;
}

.btn {
  display: inline-block;
  background: var(--green);
  color: var(--pl);
  text-decoration: none;
  padding: 0.55rem 1.05rem;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid var(--green);
  cursor: pointer;
  font-family: inherit;
}

.btn:hover {
  background: var(--pl);
  border-color: var(--pl);
  color: var(--green);
}

.masthead .btn:hover {
  background: #fff;
  border-color: #fff;
  color: var(--pl);
}

.btn-ghost {
  background: transparent;
  color: var(--pl);
  border-color: var(--pl);
  font-weight: 600;
}

.masthead .btn-ghost {
  color: var(--green);
  border-color: var(--green);
}

.masthead .btn-ghost:hover {
  background: var(--green);
  color: var(--pl);
}

.btn-ghost:hover {
  background: var(--pl);
  color: var(--green);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Sections */
.section {
  padding: 2.6rem 0;
  border-bottom: 1px solid var(--rule);
}

.section-split {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.5rem 2rem;
}

@media (max-width: 720px) {
  .section-split {
    grid-template-columns: 1fr;
  }
}

.section-num {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--pl);
  margin: 0.35rem 0 0;
}

.footnote,
.small {
  font-size: 0.88rem;
  color: var(--muted);
}

ol.plain,
ul.plain {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

ol.plain li,
ul.plain li {
  padding: 0.45rem 0;
  border-top: 1px solid var(--rule);
}

ol.plain li:last-child,
ul.plain li:last-child {
  border-bottom: 1px solid var(--rule);
}

ol.plain {
  counter-reset: item;
}

ol.plain li {
  counter-increment: item;
  padding-left: 2.2rem;
  position: relative;
}

ol.plain li::before {
  content: counter(item, decimal-leading-zero);
  position: absolute;
  left: 0;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--pl);
  top: 0.55rem;
}

/* Letter facsimile */
.letter {
  background: #fff;
  border: 1px solid var(--rule);
  padding: 0 1.3rem 1.1rem;
}

.letter-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--pl);
  color: var(--green);
  border-bottom: none;
  margin: 0 -1.3rem 0.9rem;
  padding: 0.6rem 1.3rem;
}

.letter h3 {
  margin-top: 0;
  font-size: 1.35rem;
}

.letter table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.letter th,
.letter td {
  text-align: left;
  padding: 0.28rem 0.4rem 0.28rem 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: baseline;
}

.letter th {
  font-weight: 500;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.pos {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}

/* Formula block */
.formula {
  background: var(--chalk);
  color: var(--chalk-ink);
  padding: 1.1rem 1.15rem;
  margin: 1.1rem 0 1.3rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.65;
}

.formula .dim {
  color: var(--chalk-muted);
}

.formula-caption {
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--chalk-muted);
  margin-top: 0.7rem;
}

dl.defs {
  margin: 0 0 1.2rem;
}

dl.defs dt {
  font-family: var(--mono);
  font-size: 0.88rem;
  margin-top: 0.7rem;
}

dl.defs dd {
  margin: 0.15rem 0 0;
  color: var(--muted);
}

/* Tables */
.sheet {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 0.8rem 0 1.2rem;
}

.sheet th,
.sheet td {
  text-align: left;
  padding: 0.45rem 0.6rem 0.45rem 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.sheet th {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted);
}

.sheet .right,
.letter .right {
  text-align: right;
}

.price-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.2rem 0;
}

@media (max-width: 640px) {
  .price-grid {
    grid-template-columns: 1fr;
  }
}

.price-card {
  border: 1px solid var(--ink);
  padding: 1.15rem 1.2rem 1.05rem;
  background: transparent;
}

.price-card.preferred {
  background: var(--pl);
  color: #fff;
  border-color: var(--pl);
}

.price-card.preferred p,
.price-card.preferred .price-amt span {
  color: rgba(255, 255, 255, 0.82);
}

.price-card h3 {
  margin: 0 0 0.35rem;
}

.price-amt {
  font-family: var(--serif);
  font-size: 2.4rem;
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 0.4rem 0 0.55rem;
}

.price-amt span {
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--muted);
}

.pill {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: none;
  background: var(--green);
  color: var(--pl);
  padding: 0.12rem 0.4rem;
  margin-bottom: 0.4rem;
  font-weight: 600;
}

/* Forms */
label {
  display: block;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  margin: 0.9rem 0 0.3rem;
}

input[type="text"],
input[type="email"],
input[type="url"],
select,
textarea {
  width: 100%;
  max-width: 28rem;
  font: inherit;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--ink);
  background: #fff;
  color: var(--ink);
  border-radius: 0;
}

textarea {
  min-height: 5.5rem;
  max-width: 36rem;
}

.hint {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

.check {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  max-width: 36rem;
  margin: 0.9rem 0;
  font-size: 0.92rem;
}

.check input {
  margin-top: 0.28rem;
}

.alert {
  border: 1px solid var(--ink);
  padding: 0.85rem 1rem;
  margin: 1rem 0;
  display: none;
}

.alert.show {
  display: block;
}

.alert.ok {
  border-color: var(--green);
}

.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.id-demo {
  font-family: var(--mono);
  font-size: 0.85rem;
  background: var(--paper-2);
  padding: 0.7rem 0.8rem;
  border-left: 3px solid var(--green);
  margin: 0.8rem 0 1.1rem;
  overflow-x: auto;
}

.id-demo em {
  font-style: normal;
  background: var(--green);
  color: var(--pl);
  font-weight: 600;
  padding: 0.05em 0.2em;
}

/* Footer */
.site-footer {
  padding: 1.8rem 0 2.4rem;
  font-size: 0.85rem;
  background: var(--pl);
  color: #c9bdd4;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer a {
  color: var(--green);
}

.colophon {
  margin-top: 0.4rem;
}

/* Method extras */
.toc a {
  text-decoration: none;
  color: var(--ink);
}

.toc a:hover {
  color: var(--pl-2);
}

.not-this {
  columns: 2;
  column-gap: 2rem;
}

@media (max-width: 640px) {
  .not-this {
    columns: 1;
  }
}

.not-this li {
  break-inside: avoid;
}

.faq {
  max-width: 39rem;
}

.faq details {
  border-top: 1px solid var(--rule);
  padding: 0.9rem 0;
}

.faq details:last-child {
  border-bottom: 1px solid var(--rule);
}

.faq summary {
  cursor: pointer;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  float: right;
  font-family: var(--mono);
  color: var(--muted);
}

.faq details[open] summary::after {
  content: "–";
}

.faq details p {
  margin: 0.7rem 0 0;
  color: var(--muted);
}

@media print {
  body {
    background: white;
    font-size: 11pt;
  }

  .site-header nav,
  .cta-row,
  .skip {
    display: none;
  }

  a {
    color: inherit;
  }

  .formula {
    background: #111;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}