/* API reference — calm, readable, handbook-native */

.api-chapter {
  max-width: 46rem;
}

.api-toc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.65rem;
  margin: 1.1rem 0 1.6rem;
}
.api-toc-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.95rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: transparent;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.api-toc-card:hover {
  background: var(--card);
  border-color: #c9dddF;
}
.api-toc-card strong {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.api-toc-card span {
  font-size: 0.8rem;
  color: var(--muted);
}

.api-diagram {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem 0.9rem;
  margin: 1rem 0 1.35rem;
  padding: 1.15rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.65);
}
.api-diagram-col { display: grid; gap: 0.4rem; }
.api-diagram-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: center;
}
.api-diagram-arrow {
  font-size: 1.15rem;
  color: var(--muted);
  font-weight: 500;
}
.api-diagram-arrow.down {
  width: 100%;
  text-align: center;
}
.api-diagram-core {
  display: grid;
  gap: 0.3rem;
  justify-items: center;
  text-align: center;
}
.api-diagram-core.wide { width: min(100%, 34rem); }
.api-diagram-core small {
  color: var(--muted);
  font-size: 0.76rem;
}
.api-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 7rem;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 0.82rem;
  font-weight: 550;
  color: var(--ink-2);
}
.api-box-core {
  min-width: 11rem;
  border-radius: 12px;
  border-color: #b7e0e6;
  background: #eef9fb;
  color: #0a5c66;
  font-weight: 650;
}

/* Endpoint — open sections, not heavy cards */
.api-endpoint {
  margin: 0;
  padding: 1.75rem 0 1.85rem;
  border-top: 1px solid var(--line);
  background: transparent;
  scroll-margin-top: 4.5rem;
}
.api-endpoint:first-of-type { border-top: 0; padding-top: 0.4rem; }
.api-endpoint-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.55rem 0.7rem;
  margin-bottom: 0.45rem;
}
.api-verb {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.4rem;
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #0f766e;
  background: #e7f5f2;
}
.api-verb-get { color: #0f766e; background: #e7f5f2; }
.api-verb-post { color: #1d4ed8; background: #e8eefc; }
.api-verb-put { color: #9a3412; background: #f8ebe3; }
.api-verb-patch { color: #6d28d9; background: #f1e9fc; }
.api-verb-delete { color: #b91c1c; background: #fce8e8; }
.api-path {
  font-family: var(--mono);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
  word-break: break-all;
  background: none;
  padding: 0;
}
.api-purpose {
  margin: 0 0 0.55rem;
  color: var(--ink-2);
  font-size: 1.02rem;
  line-height: 1.45;
}
.api-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.85rem;
  margin: 0 0 1.15rem;
  font-size: 0.82rem;
  color: var(--muted);
}
.api-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: #efeee9;
  color: var(--ink-2);
  font-weight: 550;
}

.api-endpoint h3 {
  margin: 1.25rem 0 0.45rem;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.api-endpoint h3:first-of-type { margin-top: 0.2rem; }

.api-params {
  width: 100%;
  border-collapse: collapse;
  margin: 0.15rem 0 0.35rem;
  background: transparent;
  border: 0;
  border-radius: 0;
  overflow: visible;
}
.api-params th,
.api-params td {
  text-align: left;
  padding: 0.55rem 0.35rem 0.55rem 0;
  border-bottom: 1px solid #ebe8e1;
  vertical-align: top;
  font-size: 0.92rem;
}
.api-params th {
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  font-weight: 650;
  padding-top: 0.15rem;
  padding-bottom: 0.45rem;
}
.api-params tr:last-child td { border-bottom: 0; }
.api-params td:first-child { width: 28%; min-width: 7rem; }
.api-params code {
  font-family: var(--mono);
  font-size: 0.84em;
  background: transparent;
  padding: 0;
  color: #0c5c66;
  font-weight: 500;
}
.api-req {
  display: inline-block;
  min-width: 1.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.api-req.is-yes { color: #0f766e; }
.api-req.is-no { color: #9b9ba4; }
.api-loc {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.api-legend,
.api-note {
  margin: 0.35rem 0 0.7rem;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.45;
}

.api-sample {
  margin: 0.35rem 0 0.7rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid #e2e0d8;
  background: #1a1b1e;
  color: #e7e5e0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.api-sample code {
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.5;
  background: transparent;
  color: inherit;
  padding: 0;
  white-space: pre;
}

.api-mini-toc {
  margin: 0 0 1.75rem;
  padding: 0;
  border: 0;
  background: transparent;
}
.api-mini-toc strong {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 650;
}
.api-mini-toc ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.15rem;
  max-height: none;
  overflow: visible;
}
.api-mini-toc li { margin: 0; }
.api-mini-toc a {
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  gap: 0.55rem;
  align-items: baseline;
  padding: 0.35rem 0;
  border-bottom: 1px solid #ebe8e1;
  font-size: 0.84rem;
  text-decoration: none;
  color: var(--ink-2);
  font-family: var(--mono);
}
.api-mini-toc li:last-child a { border-bottom: 0; }
.api-mini-toc a:hover { color: var(--cyan-deep); }
.api-verb-inline {
  font-family: var(--font);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.api-empty {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0.2rem 0 0.6rem;
}

@media (max-width: 860px) {
  .api-chapter { max-width: none; }
  .api-endpoint { padding: 1.4rem 0 1.5rem; }
  .api-params { display: block; overflow-x: auto; }
  .api-diagram { padding: 1rem 0.75rem; }
  .api-mini-toc a {
    grid-template-columns: 3rem 1fr;
    font-size: 0.78rem;
  }
}

@media (max-width: 560px) {
  .api-toc-grid { grid-template-columns: 1fr; }
  .api-box { min-width: 0; }
  .api-path { font-size: 0.82rem; }
  .api-params td:first-child { width: auto; }
}