/* =========================================================================
   Guía API — layout + demo request → 202 → entregado.
   Tokens heredados de docs.css. Sin JS la página se lee entera.
   ========================================================================= */

.guide-api .guide-hero{padding:72px 0 28px}
.guide-api .guide-hero h1{margin-bottom:14px;max-width:16ch}
.guide-api .guide-hero .lead{max-width:52ch}

.guide-api .section-lead{font-size:18px;color:var(--text-2);line-height:1.55;max-width:52ch;
  margin:0 0 22px;text-align:start}
.guide-table td code{overflow-wrap:normal;white-space:nowrap}
.guide-api h3{margin-top:28px;margin-bottom:12px}

.guide-facts{display:grid;gap:14px;margin:0 0 22px;padding:0}
.guide-facts > div{margin:0;padding:16px 18px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg)}
.guide-facts dt{font-family:var(--mono);font-size:12px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
.guide-facts dd{margin:0}
.guide-facts code{font-size:14.5px}

.guide-table-wrap{overflow-x:auto;margin:0 0 18px;border:1px solid var(--line);
  border-radius:var(--r-lg);background:var(--surface)}
.guide-table{width:100%;border-collapse:collapse;font-size:15px}
.guide-table th,.guide-table td{padding:12px 14px;text-align:left;vertical-align:top;
  border-bottom:1px solid var(--line)}
.guide-table th{font-family:var(--mono);font-size:11.5px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:var(--surface-2)}
.guide-table tr:last-child td{border-bottom:0}
.guide-table td:first-child{white-space:nowrap}

@media (max-width:640px){
  .guide-field-table,.guide-field-table tbody{display:block;width:100%}
  .guide-field-table thead{position:absolute;width:1px;height:1px;padding:0;
    overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
  .guide-field-table tbody tr{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    gap:12px 18px;padding:16px;border-bottom:1px solid var(--line)}
  .guide-field-table tbody tr:last-child{border-bottom:0}
  .guide-field-table td{display:block;min-width:0;padding:0;border:0}
  .guide-field-table td:first-child,.guide-field-table td:last-child{grid-column:1 / -1}
  .guide-field-table td::before{content:attr(data-label);display:block;margin:0 0 4px;
    font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.08em;
    text-transform:uppercase;color:var(--muted)}
}

.guide-pre{position:relative;margin:0 0 22px;padding:18px 62px 18px 18px;background:var(--inkband);
  color:var(--on-ink);border-radius:var(--r-lg);overflow-x:auto;font-size:13.5px;line-height:1.55}
.guide-pre code{background:transparent;border:0;color:inherit;padding:0;font-size:inherit;
  overflow-wrap:normal;white-space:pre;display:block}
.api-copy{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;padding:0;border:1px solid var(--line);border-radius:var(--r);
  background:var(--surface);color:var(--muted);font:inherit;font-size:15px;line-height:1;cursor:pointer}
.api-copy:hover{border-color:var(--brand-lift);color:var(--brand-ink)}
.api-copy.is-copied{border-color:var(--ok-border);color:var(--ok);background:var(--ok-bg)}
.api-copy-block{position:absolute;top:10px;right:10px;background:rgba(255,255,255,.92);color:var(--text-2)}
.api-copy-block:hover{background:#fff;color:var(--brand-ink)}
.api-copy-block.is-copied{background:var(--ok-bg);color:var(--ok)}

/* ===== Demo ===== */
.guide-demo-band{padding-top:12px}
.api-demo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:28px;align-items:stretch}

.api-demo-steps{list-style:none;margin:0;padding:0;min-width:0;
  display:flex;flex-direction:column;gap:8px}
.api-demo-step{margin:0}
.api-demo-btn{display:flex;align-items:flex-start;gap:14px;width:100%;text-align:left;
  padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface);color:inherit;font:inherit;cursor:pointer;
  transition:border-color .18s ease,background-color .18s ease}
.api-demo-btn:hover{border-color:var(--brand-lift)}
.api-demo-step.is-active .api-demo-btn{border-color:var(--brand);background:var(--brand-soft)}
.api-demo-num{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--brand-ink);padding-top:3px;flex:0 0 auto}
.api-demo-copy{display:flex;flex-direction:column;gap:4px;min-width:0}
.api-demo-title{font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:-.02em}
.api-demo-body{font-size:14.5px;color:var(--text-2);line-height:1.45}

.api-demo-stage{min-height:280px;min-width:0}
.api-window{height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-md)}
.api-chrome{display:flex;align-items:center;gap:12px;padding:10px 14px;
  border-bottom:1px solid var(--line);background:var(--surface-2)}
.api-chrome-lbl{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--brand-ink);flex:0 0 auto}
.api-url{font-family:var(--mono);font-size:12px;color:var(--muted);overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;min-width:0}
.api-url code{background:transparent;border:0;padding:0;color:inherit;font-size:inherit}

.api-scenes{position:relative;flex:1 1 auto;min-height:220px;padding:22px 22px 24px}
.api-scene{position:absolute;inset:22px 22px 24px;opacity:0;visibility:hidden;
  transform:translateY(8px);pointer-events:none}
.api-scene.is-active{opacity:1;visibility:visible;transform:none;pointer-events:auto;
  position:relative;inset:auto}

.api-kicker{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.api-code{margin:0;padding:14px 16px;background:var(--inkband);color:#ccfbf1;
  border-radius:var(--r);font-size:13px;line-height:1.5;overflow-x:auto}
.api-code code{background:transparent;border:0;color:inherit;padding:0;font-size:inherit;
  white-space:pre;overflow-wrap:normal}
.api-code-ok{color:#bbf7d0}

.api-pill{display:inline-flex;align-items:center;margin:14px 0 0;padding:5px 10px;
  border-radius:var(--r);font-family:var(--mono);font-size:12px;font-weight:600;
  letter-spacing:.06em}
.api-pill-ok{background:var(--ok-bg);color:var(--ok);border:1px solid var(--ok-border)}

.api-mail{display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 18px;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(180deg,var(--surface-2),var(--surface))}
.api-mail-main{display:flex;flex-direction:column;gap:4px;min-width:0;overflow-wrap:anywhere}
.api-mail-main strong{font-size:16px}
.api-mail-main span{font-family:var(--mono);font-size:12px;color:var(--muted)}
.api-mail .api-pill{margin:0;flex:0 0 auto}

@media (prefers-reduced-motion:no-preference){
  .api-scene{transition:opacity .35s ease,transform .35s ease,visibility .35s}
  .api-demo[data-step="0"] .api-scene.is-active .api-code-req{
    animation:api-code-in .55s cubic-bezier(.2,.7,.3,1) both}
  .api-demo[data-step="1"] .api-scene.is-active .api-code-ok{
    animation:api-code-in .45s cubic-bezier(.2,.7,.3,1) both}
  .api-demo[data-step="1"] .api-scene.is-active .api-pill-ok,
  .api-demo[data-step="2"] .api-scene.is-active .api-pill-ok{
    animation:api-pill-pop .4s cubic-bezier(.2,.7,.3,1) .15s both}
  .api-demo[data-step="2"] .api-scene.is-active .api-mail{
    animation:api-code-in .5s cubic-bezier(.2,.7,.3,1) both}
}
@keyframes api-code-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes api-pill-pop{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:none}}

@media (max-width:900px){
  .api-demo{grid-template-columns:minmax(0,1fr);gap:20px}
  .api-demo-stage{min-height:0}
  .api-scenes{min-height:200px}
}

@media (max-width:760px){
  .guide-api .guide-hero{padding:52px 0 20px}
  .guide-facts > div{padding:14px 14px}
  .guide-pre{font-size:12.5px;padding:14px 62px 14px 14px}
}

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