:root {
  color-scheme: light;
  --ink: #171818;
  --muted: #62665f;
  --paper: #fbfaf6;
  --panel: #ffffff;
  --mist: #eef3ef;
  --line: #d9ddd3;
  --teal: #0e706b;
  --blue: #315f9f;
  --berry: #9b315f;
  --gold: #b68122;
  --green: #3c7a45;
  --code: #1e2524;
  --shadow: 0 16px 36px rgba(22, 28, 24, 0.08);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.portal-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.28fr);
  gap: 36px;
  align-items: end;
  padding: 28px 32px 22px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.back-link {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--teal);
  font-size: 0.9rem;
  font-weight: 760;
  text-decoration: none;
}

.eyebrow {
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 840px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.04;
}

.portal-header p:not(.eyebrow) {
  max-width: 780px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 1.07rem;
}

.portal-status {
  padding: 20px;
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.portal-status span,
.portal-status small {
  display: block;
  color: var(--muted);
}

.portal-status span {
  font-size: 0.78rem;
  font-weight: 780;
  text-transform: uppercase;
}

.portal-status strong {
  display: block;
  margin-top: 10px;
  color: var(--green);
  font-size: 2rem;
}

.portal-status small {
  margin-top: 8px;
}

.portal-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 20px;
  width: min(1440px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.side-nav {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 6px;
  align-self: start;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.side-nav a {
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--muted);
  font-weight: 720;
  text-decoration: none;
}

.side-nav a:hover {
  background: var(--mist);
  color: var(--ink);
}

.content-stack {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.intro-grid,
.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.72fr);
  gap: 16px;
}

.panel {
  min-width: 0;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel-heading {
  margin-bottom: 18px;
}

.panel-heading.split {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
}

.panel-heading h2 {
  margin-top: 7px;
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  line-height: 1.08;
}

.panel-heading p:not(.eyebrow),
.note {
  margin-top: 12px;
  color: var(--muted);
}

.badge,
.method,
.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 11px;
  border-radius: 999px;
  font-weight: 780;
}

.badge {
  background: var(--mist);
  color: var(--teal);
}

.steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 14px;
  background: var(--mist);
  border-radius: 8px;
}

.steps span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  background: var(--panel);
  border-radius: 7px;
  color: var(--teal);
  font-weight: 780;
}

.steps h3,
.endpoint-list h3 {
  font-size: 1.02rem;
}

.steps p,
.endpoint-list p {
  margin-top: 5px;
  color: var(--muted);
}

.checklist {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  padding: 12px 12px 12px 36px;
  background: var(--mist);
  border-radius: 7px;
  color: var(--muted);
  position: relative;
}

.checklist li::before {
  position: absolute;
  left: 12px;
  content: "-";
}

.checklist li.done {
  color: var(--ink);
}

.checklist li.done::before {
  color: var(--green);
  content: "OK";
  font-size: 0.72rem;
  font-weight: 780;
}

pre {
  overflow-x: auto;
  margin: 10px 0 0;
  padding: 18px;
  background: var(--code);
  border-radius: 8px;
  color: #e5f0ec;
  font-size: 0.9rem;
  line-height: 1.5;
}

code {
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

.code-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.endpoint-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.endpoint-list article {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 14px;
  padding: 16px;
  background: var(--mist);
  border-radius: 8px;
}

.method {
  height: 34px;
  border-radius: 6px;
  color: #ffffff;
  font-size: 0.78rem;
}

.method.get {
  background: var(--teal);
}

.method.post {
  background: var(--blue);
}

.error-list {
  display: grid;
  gap: 10px;
}

.error-list div {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px;
  background: var(--mist);
  border-radius: 7px;
}

.error-list strong {
  color: var(--berry);
}

.error-list span {
  color: var(--muted);
}

.copy-button {
  border: 1px solid var(--line);
  background: var(--ink);
  color: #ffffff;
  cursor: pointer;
}

.builder-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.45fr) minmax(0, 1fr);
  gap: 18px;
}

.request-form {
  display: grid;
  gap: 12px;
  align-content: start;
}

.request-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 780;
  text-transform: uppercase;
}

.request-form select,
.request-form input {
  display: block;
  width: 100%;
  height: 42px;
  padding: 0 12px;
  box-sizing: border-box;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #ffffff;
  color: var(--ink);
  line-height: 40px;
  appearance: auto;
}

.request-form input[type="date"] {
  min-width: 0;
  line-height: normal;
}

.request-output,
.response-output {
  min-height: 132px;
}

@media (max-width: 1080px) {
  .portal-header,
  .portal-shell,
  .intro-grid,
  .two-column,
  .builder-grid,
  .code-grid,
  .endpoint-list {
    grid-template-columns: 1fr;
  }

  .side-nav {
    position: static;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .portal-header {
    padding: 22px 18px 18px;
  }

  .portal-shell {
    width: min(100% - 24px, 1440px);
  }

  .side-nav {
    grid-template-columns: 1fr;
  }

  .panel,
  .portal-status {
    padding: 16px;
  }

  .panel-heading.split {
    display: grid;
  }
}