:root {
  color-scheme: light;
  --accent: #0877e8;
  --accent-soft: #eaf4ff;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #dedee3;
  --surface: #ffffff;
  --canvas: #f5f5f7;
  --warning: #9a5700;
  --warning-bg: #fff8e8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--canvas);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  min-width: 320px;
}
a { color: inherit; }
.skip-link { background: var(--ink); border-radius: 8px; color: #fff; left: 16px; padding: 10px 14px; position: fixed; top: -80px; z-index: 100; }
.skip-link:focus { top: 16px; }

.site-header {
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-inner {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1280px;
  min-height: 62px;
  padding: 0 24px;
}
.brand { align-items: center; display: inline-flex; gap: 10px; text-decoration: none; }
.brand-logo { display: block; height: 38px; object-fit: contain; width: 38px; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.15; }
.brand-copy strong { font-size: 15px; font-weight: 650; }
.brand-copy small { color: var(--muted); font-size: 10px; margin-top: 3px; }
nav { align-items: center; display: flex; gap: 22px; }
nav a { color: var(--muted); font-size: 13px; font-weight: 550; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--ink); }

main { margin: 0 auto; max-width: 1280px; padding: 50px 24px 72px; }
.intro { align-items: stretch; display: grid; gap: 54px; grid-template-columns: minmax(0, 1fr) 380px; }
.intro-copy { align-self: center; max-width: 720px; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.intro h1 { font-size: clamp(34px, 4.8vw, 58px); letter-spacing: -0.045em; line-height: 1.06; margin: 12px 0 18px; }
.intro-copy > p { color: var(--muted); font-size: 17px; line-height: 1.72; margin: 0; max-width: 680px; }
.intro-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.intro-meta span { background: var(--surface); border: 1px solid var(--line); border-radius: 999px; color: #4b4b50; font-size: 12px; padding: 7px 11px; }

.quick-start { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.quick-start-heading { align-items: center; display: flex; gap: 12px; }
.step-number { align-items: center; background: var(--accent-soft); border-radius: 10px; color: var(--accent); display: inline-flex; font-size: 16px; font-weight: 700; height: 38px; justify-content: center; width: 38px; }
.quick-start-heading div { display: flex; flex-direction: column; }
.quick-start-heading strong { font-size: 14px; }
.quick-start-heading small { color: var(--muted); font-size: 11px; margin-top: 3px; }
.quick-start ol { color: #4b4b50; font-size: 13px; line-height: 1.65; margin: 18px 0 0; padding-left: 20px; }
.quick-start li + li { margin-top: 7px; }
.docs-status { border-top: 1px solid #ececf0; color: var(--muted); font-size: 11px; margin: 18px 0 0; padding-top: 13px; }
.docs-ready .docs-status { color: #207a3f; }

.billing-warning { align-items: flex-start; background: var(--warning-bg); border: 1px solid #f1d8a2; border-radius: 14px; display: flex; gap: 12px; margin: 34px 0; padding: 15px 17px; }
.warning-icon { align-items: center; background: #ffedc2; border-radius: 8px; color: var(--warning); display: inline-flex; flex: 0 0 auto; font-size: 13px; font-weight: 800; height: 28px; justify-content: center; width: 28px; }
.billing-warning strong { color: #6b3d00; display: block; font-size: 13px; }
.billing-warning p { color: #85551c; font-size: 12px; line-height: 1.55; margin: 3px 0 0; }

.reference-shell { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; padding: 28px 30px 34px; }
footer { color: #8a8a8f; font-size: 11px; margin: 0 auto; max-width: 1280px; padding: 0 24px 36px; text-align: center; }

/* Swagger UI: retain its mature interaction model while matching the product UI. */
.swagger-ui { color: var(--ink); font-family: inherit; }
.swagger-ui .wrapper { max-width: none; padding: 0; }
.swagger-ui .info { margin: 0 0 28px; }
.swagger-ui .info .title { color: var(--ink); font-family: inherit; font-size: 25px; letter-spacing: -0.025em; }
.swagger-ui .info .title small { background: #ececf1; }
.swagger-ui .info p, .swagger-ui .info li, .swagger-ui .info table { color: var(--muted); font-family: inherit; font-size: 13px; line-height: 1.65; }
.swagger-ui .info a { color: var(--accent); }
.swagger-ui .scheme-container { background: #f8f8fa; border: 1px solid #e5e5e9; border-radius: 13px; box-shadow: none; margin: 0 0 22px; padding: 14px 16px; }
.swagger-ui .scheme-container .schemes { align-items: center; }
.swagger-ui .auth-wrapper .authorize { border-color: var(--accent); color: var(--accent); }
.swagger-ui .auth-wrapper .authorize svg { fill: var(--accent); }
.swagger-ui .filter .operation-filter-input { border: 1px solid var(--line); border-radius: 10px; box-shadow: none; font-family: inherit; margin: 0 0 16px; padding: 10px 12px; }
.swagger-ui .opblock-tag { border-bottom: 1px solid #e7e7eb; color: var(--ink); font-family: inherit; font-size: 17px; margin: 0; padding: 18px 4px 12px; }
.swagger-ui .opblock-tag small { color: var(--muted); font-family: inherit; }
.swagger-ui .opblock { border-radius: 12px; box-shadow: none; margin: 12px 0; overflow: hidden; }
.swagger-ui .opblock .opblock-summary { min-height: 52px; padding: 8px 12px; }
.swagger-ui .opblock .opblock-summary-method { border-radius: 7px; font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: 11px; min-width: 68px; padding: 7px 9px; text-shadow: none; }
.swagger-ui .opblock .opblock-summary-path, .swagger-ui .opblock .opblock-summary-description { font-family: inherit; }
.swagger-ui .opblock .opblock-summary-path { font-size: 13px; }
.swagger-ui .opblock .opblock-summary-description { color: #515156; font-size: 12px; }
.swagger-ui .opblock-body { font-family: inherit; }
.swagger-ui .opblock-description-wrapper p, .swagger-ui .response-col_description, .swagger-ui .parameter__name, .swagger-ui .parameter__type { font-family: inherit; }
.swagger-ui .btn { border-radius: 8px; box-shadow: none; font-family: inherit; }
.swagger-ui .btn.execute { background: var(--accent); border-color: var(--accent); }
.swagger-ui input[type=text], .swagger-ui input[type=password], .swagger-ui input[type=search], .swagger-ui textarea, .swagger-ui select { border: 1px solid #cfcfd5; border-radius: 8px; font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; }
.swagger-ui input:focus, .swagger-ui textarea:focus, .swagger-ui select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(8, 119, 232, 0.12); outline: none; }
.swagger-ui table thead tr td, .swagger-ui table thead tr th { color: var(--muted); font-family: inherit; }
.swagger-ui .model-box { background: #f7f7f9; border-radius: 10px; }
.swagger-ui .model-title, .swagger-ui section.models h4 { font-family: inherit; }
.swagger-ui section.models { border: 1px solid var(--line); border-radius: 12px; }
.swagger-ui .dialog-ux .modal-ux { border: 0; border-radius: 18px; box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22); }
.swagger-ui .dialog-ux .modal-ux-header h3, .swagger-ui .dialog-ux .modal-ux-content h4, .swagger-ui .dialog-ux .modal-ux-content p { font-family: inherit; }
.swagger-ui .opblock.opblock-get { background: rgba(8, 119, 232, 0.035); border-color: #8fc7ff; }
.swagger-ui .opblock.opblock-post { background: rgba(37, 145, 86, 0.04); border-color: #82cba3; }

@media (max-width: 820px) {
  .header-inner { padding: 0 16px; }
  nav { gap: 14px; }
  nav a { font-size: 12px; }
  main { padding: 34px 14px 54px; }
  .intro { gap: 26px; grid-template-columns: 1fr; }
  .intro h1 { font-size: 38px; }
  .intro-copy > p { font-size: 15px; }
  .reference-shell { border-radius: 15px; padding: 18px 12px 24px; }
  .swagger-ui .opblock .opblock-summary { align-items: flex-start; flex-wrap: wrap; }
  .swagger-ui .opblock .opblock-summary-path { max-width: calc(100% - 82px); overflow-wrap: anywhere; }
  .swagger-ui .opblock .opblock-summary-description { flex-basis: 100%; padding: 4px 0 0 80px; }
}

@media (max-width: 480px) {
  .brand-copy small { display: none; }
  nav a:first-child { display: none; }
  .intro h1 { font-size: 33px; }
  .billing-warning { padding: 13px; }
  .swagger-ui .info .title { font-size: 22px; }
  .swagger-ui .scheme-container { padding: 12px; }
}

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