/* SampleAPI — clean technical-doc theme.
   Cool slate palette, single periwinkle accent, hairline borders.
   Designed to read like a polished spec sheet, not a coffee-shop chalkboard.
*/

:root {
  /* Cool slate scale — readable dark, not black, no warm cast */
  --bg:           #0d1117;
  --bg-elev:      #11161e;
  --bg-card:      #161b24;
  --bg-card-hi:   #1b2230;
  --bg-code:      #0a0e14;

  --border:       #232a36;
  --border-soft:  #1c2330;
  --border-strong:#323c4d;

  --text:         #e6edf3;   /* near-white, faint cool tint */
  --text-dim:     #9ba6b5;
  --text-muted:   #6b7585;

  /* Single primary accent — periwinkle/iris */
  --accent:       #818cf8;
  --accent-hi:    #a5adff;
  --accent-soft:  rgba(129,140,248,0.12);
  --accent-line:  rgba(129,140,248,0.35);

  /* Secondary semantic accents — used sparingly */
  --ok:     #34d399;
  --info:   #60a5fa;
  --warn:   #fbbf24;
  --err:    #f87171;
  --magenta:#e879f9;

  /* HTTP method colors (kept distinct but desaturated) */
  --m-get:    #34d399;
  --m-post:   #60a5fa;
  --m-put:    #fbbf24;
  --m-patch:  #e879f9;
  --m-delete: #f87171;

  --radius:    6px;
  --radius-sm: 4px;
  --radius-lg: 10px;

  --mono: ui-monospace, "JetBrains Mono", "SF Mono", "Fira Code", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* =================== RESET / BASE =================== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv11", "ss01", "ss03";
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hi); text-decoration: underline; text-underline-offset: 3px; }

::selection { background: rgba(129,140,248,0.30); color: var(--text); }

img, svg { max-width: 100%; display: block; }
hr { border: 0; border-top: 1px solid var(--border-soft); margin: 2.5rem 0; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.muted { color: var(--text-muted); }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus {
  left: 1rem; top: 1rem; background: var(--accent); color: #0d1117;
  padding: .5rem .9rem; border-radius: var(--radius-sm); z-index: 100; font-weight: 600;
}

/* =================== HEADER =================== */
.site-header {
  border-bottom: 1px solid var(--border-soft);
  background: rgba(13,17,23,0.88);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  position: sticky; top: 0; z-index: 50;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem; height: 56px;
  max-width: 1300px; margin: 0 auto;
}
.brand {
  display: inline-flex; align-items: center; gap: .65rem;
  color: var(--text); font-weight: 600; font-size: .98rem;
  letter-spacing: -0.005em; text-decoration: none;
  line-height: 1;
}
.brand:hover { color: var(--text); text-decoration: none; }
.brand-name { color: var(--text); }
.brand::before {
  content: "";
  display: inline-block;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 2px;
  flex: 0 0 auto;
}

.primary-nav { display: flex; gap: .25rem; align-items: center; }
.primary-nav a {
  color: var(--text-dim);
  font-size: .88rem; font-weight: 500;
  text-decoration: none;
  padding: .45rem .75rem;
  border-radius: var(--radius-sm);
  line-height: 1;
  display: inline-flex; align-items: center;
}
.primary-nav a:hover { color: var(--text); background: var(--bg-card); text-decoration: none; }
.primary-nav a[aria-current="page"] { color: var(--text); background: var(--bg-card); }
.nav-cta {
  margin-left: .5rem;
  color: #0d1117 !important;
  background: var(--accent);
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--accent-hi) !important; color: #0d1117 !important; }

.nav-toggle {
  display: none; background: transparent; border: 1px solid var(--border);
  padding: .4rem .55rem; cursor: pointer; border-radius: var(--radius-sm);
}
.nav-toggle span { display: block; width: 18px; height: 1.5px; background: var(--text); margin: 4px 0; }

/* Nav dropdown (Advanced) */
.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
  display: inline-flex; align-items: center; gap: .35rem;
  background: transparent; border: 0;
  color: var(--text-dim);
  font: inherit; font-size: .88rem; font-weight: 500;
  padding: .45rem .75rem; border-radius: var(--radius-sm);
  cursor: pointer; line-height: 1;
}
.nav-dropdown-toggle svg { transition: transform .15s; opacity: .7; }
.nav-dropdown-toggle:hover { color: var(--text); background: var(--bg-card); }
.nav-dropdown.is-active > .nav-dropdown-toggle,
.nav-dropdown.open > .nav-dropdown-toggle { color: var(--text); background: var(--bg-card); }
.nav-dropdown.open > .nav-dropdown-toggle svg { transform: rotate(180deg); }

.nav-dropdown-menu {
  position: absolute; top: calc(100% + 6px); right: 0;
  min-width: 280px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .35rem;
  box-shadow: 0 12px 32px -8px rgba(0,0,0,0.5), 0 0 0 1px var(--border-soft);
  opacity: 0; transform: translateY(-4px); pointer-events: none;
  transition: opacity .12s, transform .12s;
  z-index: 60;
}
.nav-dropdown:hover > .nav-dropdown-menu,
.nav-dropdown:focus-within > .nav-dropdown-menu,
.nav-dropdown.open > .nav-dropdown-menu {
  opacity: 1; transform: translateY(0); pointer-events: auto;
}
.nav-dropdown-menu a {
  display: flex; flex-direction: column; gap: 2px;
  padding: .55rem .7rem;
  border-radius: var(--radius-sm);
  color: var(--text); font-size: .88rem; text-decoration: none;
  border-bottom: 0;
}
.nav-dropdown-menu a:hover,
.nav-dropdown-menu a:focus-visible {
  background: var(--bg-card-hi); color: var(--text); text-decoration: none;
  outline: none;
}
.nav-dropdown-menu a[aria-current="page"] { background: var(--accent-soft); color: var(--accent-hi); }
.nav-dropdown-menu .d-title { font-weight: 500; }
.nav-dropdown-menu .d-sub { font-size: .76rem; color: var(--text-muted); }
.nav-dropdown-menu a:hover .d-sub,
.nav-dropdown-menu a:focus-visible .d-sub { color: var(--text-dim); }

/* =================== HERO =================== */
.hero {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border-soft);
}
.hero h1 {
  font-size: clamp(1.85rem, 3.6vw, 2.5rem);
  line-height: 1.15; margin: 0 0 .85rem;
  letter-spacing: -0.02em;
  color: var(--text); font-weight: 600;
  max-width: 24ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero p.lead {
  font-size: 1rem; color: var(--text-dim);
  max-width: 64ch; margin: 0 0 1.5rem;
  line-height: 1.55;
}
.hero-actions { display: flex; gap: .6rem; flex-wrap: wrap; }

/* =================== BUTTONS =================== */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .6rem 1rem; border-radius: var(--radius-sm);
  font-weight: 500; font-size: .9rem; line-height: 1;
  border: 1px solid transparent; cursor: pointer; font-family: inherit;
  transition: background .12s, border-color .12s, color .12s;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--accent); color: #0d1117; border-color: var(--accent);
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hi); border-color: var(--accent-hi); color: #0d1117; }
.btn-secondary {
  background: transparent; color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover { border-color: var(--text-dim); color: var(--text); background: var(--bg-card); }
.btn-ghost { background: transparent; color: var(--text-dim); border-color: transparent; padding-left: .25rem; padding-right: .25rem; }
.btn-ghost:hover { color: var(--text); }
.btn-sm { padding: .35rem .65rem; font-size: .78rem; }

/* =================== SECTIONS =================== */
section { padding: 3rem 0; border-bottom: 1px solid var(--border-soft); }
section:last-of-type { border-bottom: 0; }
section h2 {
  font-size: 1.5rem; font-weight: 600; margin: 0 0 1.25rem;
  letter-spacing: -0.015em; color: var(--text);
}
section h3 {
  font-size: 1.05rem; font-weight: 600;
  margin: 2rem 0 .6rem; color: var(--text);
  letter-spacing: -0.01em;
}
section p { color: var(--text-dim); max-width: 70ch; }
section ul, section ol { color: var(--text-dim); padding-left: 1.2rem; }
section ul li, section ol li { margin: .25rem 0; }
section li strong { color: var(--text); font-weight: 600; }

/* (section auto-numbering removed for visual calm) */

/* =================== CARDS / GRID =================== */
.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  transition: border-color .15s, background .15s;
}
.card:hover { border-color: var(--border-strong); background: var(--bg-card-hi); }
.card h3 { margin-top: 0; font-size: 1rem; }
.card p { margin: 0 0 .75rem; color: var(--text-dim); font-size: .92rem; }
.card .endpoints { list-style: none; padding: 0; margin: .75rem 0 0; border-top: 1px solid var(--border-soft); }
.card .endpoints li {
  display: flex; align-items: center; gap: .55rem;
  padding: .42rem 0;
  font-family: var(--mono); font-size: .82rem; color: var(--text);
  border-bottom: 1px solid var(--border-soft);
}
.card .endpoints li:last-child { border-bottom: 0; }
/* Removed colored card rails — they belonged on the old design */

/* =================== METHOD BADGES =================== */
.method {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 52px; padding: 2px 8px;
  border-radius: 3px;
  font-family: var(--mono); font-size: .68rem; font-weight: 600;
  letter-spacing: .05em; text-transform: uppercase;
  border: 1px solid currentColor;
  background: transparent;
}
.method.get    { color: var(--m-get); }
.method.post   { color: var(--m-post); }
.method.put    { color: var(--m-put); }
.method.patch  { color: var(--m-patch); }
.method.delete { color: var(--m-delete); }
.method.head, .method.options { color: var(--text-muted); }
.method.any    { color: var(--text-dim); }

/* =================== STATUS PILL =================== */
.status {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; padding: 1px 8px; border-radius: 3px;
  font-family: var(--mono); font-size: .75rem; font-weight: 600;
  border: 1px solid currentColor; background: transparent;
}
.status.s2xx { color: var(--ok); }
.status.s3xx { color: var(--info); }
.status.s4xx { color: var(--warn); }
.status.s5xx { color: var(--err); }

/* =================== CODE =================== */
code, pre, kbd { font-family: var(--mono); }
code {
  background: var(--bg-code); padding: 1px 6px; border-radius: 3px;
  font-size: .88em; color: var(--text);
  border: 1px solid var(--border-soft);
}
pre {
  background: var(--bg-code); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 1rem 1.1rem;
  overflow-x: auto; font-size: .85rem; line-height: 1.55;
  color: var(--text);
  margin: .5rem 0;
}
pre code { background: transparent; padding: 0; border: 0; }

.code-block { position: relative; margin: .75rem 0; }
.code-block .copy {
  position: absolute; top: .5rem; right: .5rem;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-dim);
  padding: .25rem .55rem; border-radius: 3px;
  font-size: .72rem; cursor: pointer; font-family: inherit;
  transition: color .12s, border-color .12s, background .12s;
}
.code-block .copy:hover { color: var(--accent); border-color: var(--accent-line); background: var(--bg-card-hi); }
.code-block .copy.copied { color: var(--ok); border-color: var(--ok); }

/* URL row — inline copyable single-line code */
.url-row {
  display: flex; gap: .5rem; align-items: center;
  background: var(--bg-code); border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm); padding: .4rem .55rem .4rem .85rem;
  font-family: var(--mono); font-size: .85rem;
  max-width: 560px;
}
.url-row code { background: transparent; padding: 0; border: 0; color: var(--text); flex: 1; overflow-x: auto; white-space: nowrap; }
.url-row .btn { margin-left: auto; }

/* =================== TABS =================== */
.tabs {
  display: flex; gap: 0;
  border-bottom: 1px solid var(--border-soft);
  margin: 1.25rem 0 0;
}
.tabs button {
  background: transparent; border: 0; color: var(--text-muted);
  padding: .65rem 1rem; cursor: pointer;
  font-size: .82rem; font-family: inherit; font-weight: 500;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  letter-spacing: .01em;
}
.tabs button:hover { color: var(--text); }
.tabs button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* =================== TABLES =================== */
table {
  width: 100%; border-collapse: collapse; margin: 1rem 0;
  border: 1px solid var(--border-soft); border-radius: var(--radius);
  overflow: hidden;
}
th, td { text-align: left; padding: .65rem .85rem; vertical-align: top; }
th {
  color: var(--text-dim); font-weight: 500; font-size: .72rem;
  text-transform: uppercase; letter-spacing: .08em;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border-soft);
  font-family: var(--mono);
}
td { color: var(--text-dim); font-size: .88rem; border-top: 1px solid var(--border-soft); }
tbody tr:first-child td { border-top: 0; }
td code { font-size: .85em; }
tbody tr:hover td { background: var(--bg-card); color: var(--text); }

/* =================== FORMS =================== */
label { display: block; font-weight: 500; margin: 0 0 .4rem; font-size: .82rem; color: var(--text-dim); }
input[type=text], input[type=email], select, textarea {
  width: 100%; background: var(--bg-code); border: 1px solid var(--border);
  color: var(--text); padding: .55rem .7rem;
  border-radius: var(--radius-sm); font-family: inherit; font-size: .92rem;
  transition: border-color .12s, box-shadow .12s;
}
textarea { font-family: var(--mono); font-size: .85rem; min-height: 6rem; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-row { margin-bottom: 1rem; }

/* =================== PLAYGROUND =================== */
.playground { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.pg-builder, .pg-result {
  background: var(--bg-card); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 1.3rem;
}
.pg-method-url {
  display: grid; grid-template-columns: 130px 1fr auto;
  gap: .5rem; align-items: end;
}
.pg-meta {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1rem; margin-top: 1rem;
}
.pg-meta .label {
  font-family: var(--mono);
  font-size: .68rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .1em; margin-bottom: .35rem;
}
.pg-result pre { max-height: 420px; }
.pg-status {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 4px 10px; border-radius: 3px;
  font-family: var(--mono); font-weight: 600; font-size: .82rem;
  border: 1px solid currentColor;
}
.pg-status.s2xx { color: var(--ok); }
.pg-status.s3xx { color: var(--info); }
.pg-status.s4xx { color: var(--warn); }
.pg-status.s5xx { color: var(--err); }
.pg-status.s0xx { color: var(--text-muted); }

/* =================== CALLOUT =================== */
.callout {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: .9rem 1.1rem;
  margin: 1.25rem 0;
  font-size: .92rem;
}
.callout.tip   { border-left-color: var(--ok); }
.callout.warn  { border-left-color: var(--warn); }
.callout.note  { border-left-color: var(--info); }
.callout p { color: var(--text-dim); }
.callout p:last-child { margin-bottom: 0; }
.callout strong { color: var(--text); }

/* =================== STEPS =================== */
.steps { counter-reset: step; padding: 0; list-style: none; margin: 1.25rem 0; }
.steps > li {
  counter-increment: step; position: relative;
  padding: 1.1rem 1.25rem 1.1rem 3.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  margin-bottom: .65rem;
}
.steps > li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 1.1rem; top: 1.15rem;
  font-family: var(--mono); font-weight: 500; font-size: .82rem;
  color: var(--accent);
  letter-spacing: .05em;
}
.steps > li h3 { margin: 0 0 .35rem; font-size: 1rem; }
.steps > li p:last-child { margin-bottom: 0; }
.steps > li > *:first-child { margin-top: 0; }

/* =================== FAQ =================== */
.faq details {
  border-bottom: 1px solid var(--border-soft);
  padding: 1rem 0;
}
.faq details:first-child { border-top: 1px solid var(--border-soft); }
.faq summary {
  cursor: pointer; font-weight: 500; color: var(--text);
  list-style: none; padding-right: 1.5rem; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: .2rem; top: 50%;
  width: 8px; height: 8px;
  border-right: 1.5px solid var(--text-muted);
  border-bottom: 1.5px solid var(--text-muted);
  transform: translateY(-65%) rotate(45deg);
  transition: transform .15s;
}
.faq details[open] summary::after { transform: translateY(-25%) rotate(225deg); }
.faq details[open] summary { color: var(--accent); }
.faq p { margin: .6rem 0 0; color: var(--text-dim); font-size: .93rem; }

/* =================== FOOTER =================== */
.site-footer {
  border-top: 1px solid var(--border-soft);
  background: var(--bg-elev);
  padding: 3rem 0 1.5rem;
  margin-top: 0;
}
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2.5rem; padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-soft);
}
.footer-grid h4 {
  margin: 0 0 .75rem; font-size: .7rem;
  text-transform: uppercase; letter-spacing: .1em; color: var(--text-muted);
  font-family: var(--mono); font-weight: 500;
}
.footer-grid p { font-size: .88rem; color: var(--text-muted); margin: .9rem 0 0; max-width: 30ch; }
.footer-grid a {
  display: block; color: var(--text-dim);
  font-size: .88rem; padding: .2rem 0; text-decoration: none;
}
.footer-grid a:hover { color: var(--accent); text-decoration: none; }
.footer-bottom {
  padding-top: 1.5rem; font-size: .82rem; color: var(--text-muted);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.footer-grid .brand {
  display: inline-flex; align-items: center; gap: .65rem;
  font-size: 1rem; padding: 0;
}
.footer-grid .brand::before {
  width: 10px; height: 10px;
  flex: 0 0 10px;
}

/* =================== HOME DOCS CTA =================== */
.docs-hint {
  display: flex; gap: 1rem; align-items: center; flex-wrap: wrap;
  margin: 1.5rem 0 0;
  padding: .85rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  color: var(--text-dim);
}
.docs-hint strong { color: var(--text); font-weight: 600; }
.docs-hint .spacer { flex: 1; }
.docs-hint .btn { white-space: nowrap; }

.docs-cta {
  margin: 1rem 0 0;
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: center;
}
.docs-cta h3 {
  margin: 0 0 .35rem; font-size: 1.15rem; color: var(--text);
}
.docs-cta p { margin: 0; color: var(--text-dim); font-size: .92rem; max-width: 60ch; }
.docs-cta .btn { white-space: nowrap; }
@media (max-width: 600px) {
  .docs-cta { grid-template-columns: 1fr; }
}

/* =================== RESPONSIVE =================== */
@media (max-width: 800px) {
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-elev); flex-direction: column;
    align-items: stretch; gap: 0;
    padding: .5rem; border-bottom: 1px solid var(--border-soft);
    display: none;
  }
  .primary-nav.open { display: flex; }
  .primary-nav a { padding: .7rem .9rem; border-radius: var(--radius-sm); }
  .nav-cta { margin: .5rem 0 0; text-align: center; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .pg-method-url { grid-template-columns: 1fr; }
  .pg-meta { grid-template-columns: 1fr; }
  section h2 { gap: .6rem; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 3.5rem 0 2.5rem; }
}