/* tailee page for the people who use this API. Dark only, as the page declares.
   System fonts only: the page loads nothing but this stylesheet and its own script.
   One raised panel (the connection, with the base URL as the largest text on the page);
   everything else is flat. Amber marks what the reader acts on: the key placeholder to
   replace and the network sentence. */
:root {
  --color-bg: #0f1115;
  --color-surface: #171a21;
  --color-surface-2: #1d212a;
  --color-surface-hover: #252a35;
  --color-code-bg: #0b0d11;
  --color-border: #262b36;
  --color-border-strong: #343b49;
  --color-border-hover: #4a5263;
  --color-text: #e7e9ee;
  --color-muted: #9aa3b2;
  --color-accent: #5b8cff;
  --color-accent-soft: rgba(91, 140, 255, 0.14);
  --color-ok: #4cc38a;
  --color-ok-soft: rgba(76, 195, 138, 0.12);
  --color-ok-edge: rgba(76, 195, 138, 0.45);
  --color-warning: #c98a3a;
  --color-warning-soft: rgba(201, 138, 58, 0.16);

  --font-sans: system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, monospace;

  --text-xs: 13px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-heading: 17px;
  --text-lede: 20px;
  --text-lede-narrow: 18px;
  --text-method: 12px;
  --text-url: 22px;
  --text-url-narrow: 18px;
  --text-code: 13.5px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;

  --page-width: 46rem;
  --prose-width: 68ch;
  --label-width: 9rem;
  --method-width: 4.5rem;
  --method-badge-width: 3.25rem;
  --badge-pad-y: 2px;
  --button-height: 34px;
  --button-min-width: 76px;
  --focus-ring: 2px;
  --rule-mark: 2px;
  --ease-fast: 120ms ease;

  color-scheme: dark;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code, pre, .mono { font-family: var(--font-mono); }

code { font-size: 0.92em; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

:focus { outline: none; }

:focus-visible {
  outline: var(--focus-ring) solid var(--color-accent);
  outline-offset: var(--focus-ring);
}

/* Layout */

.page {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 0 var(--space-5) var(--space-8);
}

.topbar { padding-top: var(--space-6); }

.brand {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: var(--space-3);
  margin: 0;
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.3;
}

.brand-name {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-product {
  padding-left: var(--space-3);
  border-left: 1px solid var(--color-border-strong);
  color: var(--color-muted);
}

.content { padding-top: var(--space-7); }

.lede {
  max-width: 30em;
  margin: 0 0 var(--space-6);
  font-size: var(--text-lede);
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.section { margin-top: var(--space-7); }

.section-title,
.card-title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-heading);
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-text);
}

.note {
  max-width: var(--prose-width);
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-muted);
}

.note code {
  color: var(--color-text);
  white-space: nowrap;
}

/* The connection panel: the one raised object */

.card {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.rows {
  display: flex;
  flex-direction: column;
}

.row {
  display: grid;
  grid-template-columns: var(--label-width) minmax(0, 1fr) auto;
  grid-template-areas: "label value actions";
  align-items: baseline;
  column-gap: var(--space-4);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border);
}

.row-label {
  grid-area: label;
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.row-value {
  grid-area: value;
  min-width: 0;
  overflow-wrap: anywhere;
}

.row-value code { color: var(--color-text); }

.row-actions {
  grid-area: actions;
  display: flex;
  justify-content: flex-end;
}

/* The base URL row leads the panel: label above, the address in large type beside its button. */
.rows .row:first-child {
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "label label" "value actions";
  align-items: center;
  row-gap: var(--space-1);
  padding: 0 0 var(--space-5);
  border-top: 0;
}

#base-url {
  font-size: var(--text-url);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

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

.url-host {
  color: var(--color-text);
  font-weight: 600;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--button-min-width);
  height: var(--button-height);
  padding: 0 var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--ease-fast), border-color var(--ease-fast), color var(--ease-fast);
}

.btn:hover:not(:disabled) {
  background: var(--color-surface-hover);
  border-color: var(--color-border-hover);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn:focus-visible {
  outline: var(--focus-ring) solid var(--color-accent);
  outline-offset: var(--focus-ring);
}

.btn.is-copied {
  color: var(--color-ok);
  border-color: var(--color-ok-edge);
}

/* Endpoints: a flat ruled list, not a second panel */

.card.endpoints-card {
  padding: 0;
  border-width: 1px 0;
  border-color: var(--color-border-strong);
  border-radius: 0;
  background: transparent;
}

.endpoints {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.endpoints td {
  padding: var(--space-3) 0;
  vertical-align: baseline;
  border-top: 1px solid var(--color-border);
}

.endpoints tr:first-child td { border-top: 0; }

.ep-method { width: var(--method-width); }

:where(.endpoints) td.ep-path { padding-right: var(--space-4); }

.ep-path code {
  color: var(--color-text);
  white-space: nowrap;
}

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

.method {
  display: inline-block;
  min-width: var(--method-badge-width);
  padding: var(--badge-pad-y) var(--space-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-method);
  font-weight: 600;
  text-align: center;
}

.method-get {
  color: var(--color-ok);
  background: var(--color-ok-soft);
}

.method-post {
  color: var(--color-accent);
  background: var(--color-accent-soft);
}

/* Examples: inset wells, the copy button in the flow below the text */

.code-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-code-bg);
}

.code-card + .code-card { margin-top: var(--space-3); }

.code {
  margin: 0;
  padding: var(--space-4) var(--space-5) var(--space-1);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: var(--text-code);
  line-height: 1.7;
  color: var(--color-text);
}

.code code { font-size: inherit; }

.btn-code {
  align-self: flex-end;
  margin: 0 var(--space-3) var(--space-3);
}

/* The key placeholder, the same mark in the snippets and in the note below them. */
.placeholder {
  border-radius: var(--radius-sm);
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

/* `.note code` sets the text colour; the placeholder keeps its mark there too. */
.note .placeholder { color: var(--color-warning); }

/* Footer */

.footer {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-muted);
}

.footer p {
  max-width: var(--prose-width);
  margin: 0 0 var(--space-2);
}

.footer .footer-network {
  margin: var(--space-3) 0;
  padding-left: var(--space-3);
  border-left: var(--rule-mark) solid var(--color-warning);
  color: var(--color-text);
}

/* Narrow windows, down to 360 px */

@media (max-width: 600px) {
  .page { padding: 0 var(--space-4) var(--space-7); }

  .topbar { padding-top: var(--space-5); }

  .content { padding-top: var(--space-6); }

  .lede {
    margin-bottom: var(--space-5);
    font-size: var(--text-lede-narrow);
  }

  .card { padding: var(--space-4); }

  .row,
  .rows .row:first-child {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: "label actions" "value value";
    align-items: center;
    row-gap: var(--space-1);
  }

  #base-url { font-size: var(--text-url-narrow); }

  .endpoints tr {
    display: grid;
    grid-template-columns: var(--method-width) minmax(0, 1fr);
    padding: var(--space-3) 0;
    border-top: 1px solid var(--color-border);
  }

  .endpoints tr:first-child { border-top: 0; }

  .endpoints td {
    padding: 0;
    border-top: 0;
  }

  .ep-desc { grid-column: 2; }

  .code { padding: var(--space-3) var(--space-4) var(--space-1); }
}

@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
}