/* ================================================
   ZVMS TELECOM — API DOCUMENTATION
   Loaded after styles.css on api*.html pages only
   ================================================ */
:root {
  --api-accent: var(--indigo);
  --api-accent-dark: var(--indigo-dark);
  --api-accent-pale: var(--indigo-pale);
  --api-code-bg: #0f172a;
  --api-code-border: #1e293b;
  --api-code-text: #e2e8f0;
  --api-sidebar-w: 270px;
}

.api-layout {
  display: grid;
  grid-template-columns: var(--api-sidebar-w) minmax(0, 1fr);
  max-width: 1280px;
  margin: 0 auto;
  padding-top: var(--nav-h);
  min-height: 100vh;
}

/* ---------- SIDEBAR ---------- */
.api-sidebar {
  position: sticky;
  top: var(--nav-h);
  align-self: start;
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  padding: 2rem 1.5rem 3rem 2rem;
  border-right: 1px solid var(--gray-200);
}
.api-brand { display: block; margin-bottom: 0.5rem; }
.api-brand img { width: 170px; height: auto; }
.api-version {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--api-accent);
  background: var(--api-accent-pale);
  padding: 0.2rem 0.6rem;
  border-radius: 50px;
  margin-bottom: 1.75rem;
}
.api-nav-group { margin-bottom: 1.75rem; }
.api-nav-group h4 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.6rem;
}
.api-nav-group a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--gray-600);
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}
.api-nav-group a:hover { color: var(--api-accent); background: var(--gray-50); }
.api-nav-group a.active { color: var(--api-accent); background: var(--api-accent-pale); font-weight: 600; }
.api-nav-sub { margin: 0.15rem 0 0.4rem 0.75rem; border-left: 1px solid var(--gray-200); }
.api-nav-sub a { font-size: 0.8rem; padding: 0.3rem 0.75rem; border-radius: 0 8px 8px 0; }
.api-sidebar-toggle { display: none; }

/* ---------- CONTENT ---------- */
.api-content {
  padding: 3rem 3rem 5rem;
  max-width: 900px;
  min-width: 0;
  color: var(--gray-800);
  line-height: 1.7;
}
.api-breadcrumb { font-size: 0.8rem; color: var(--gray-400); margin-bottom: 0.75rem; }
.api-breadcrumb a:hover { color: var(--api-accent); }
.api-content h1 {
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--gray-900);
  margin-bottom: 1rem;
}
.api-lead { font-size: 1.075rem; color: var(--gray-600); margin-bottom: 2rem; }
.api-content h2 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--gray-900);
  margin: 3.5rem 0 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-200);
  scroll-margin-top: calc(var(--nav-h) + 1rem);
}
.api-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 2rem 0 0.75rem;
  scroll-margin-top: calc(var(--nav-h) + 1rem);
}
.api-content p { margin-bottom: 1rem; }
.api-content ul.api-list { list-style: disc; padding-left: 1.25rem; margin-bottom: 1rem; }
.api-content ul.api-list li { margin-bottom: 0.35rem; }
.api-content a.api-link { color: var(--api-accent); font-weight: 600; }
.api-content a.api-link:hover { text-decoration: underline; }
.api-content :not(pre) > code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85em;
  background: var(--gray-100);
  color: var(--api-accent-dark);
  padding: 0.1em 0.4em;
  border-radius: 5px;
  overflow-wrap: anywhere;
}

/* ---------- ENDPOINT BAR ---------- */
.api-endpoint {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin: 1rem 0 1.5rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.875rem;
}
.api-endpoint code { background: none !important; padding: 0 !important; color: var(--gray-800) !important; overflow-wrap: anywhere; }
.api-method {
  flex-shrink: 0;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
}
.api-method.get { background: var(--accent-green-light); color: #00613c; }
.api-method.post { background: var(--api-accent-pale); color: var(--api-accent); }
.ph { color: var(--api-accent); font-weight: 700; }

/* ---------- CALLOUTS ---------- */
.api-callout {
  display: flex;
  gap: 0.85rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid;
  margin: 1.25rem 0 1.5rem;
  font-size: 0.925rem;
}
.api-callout p:last-child { margin-bottom: 0; }
.api-callout-icon { flex-shrink: 0; font-size: 1.1rem; line-height: 1.5; }
.api-callout.info { background: var(--api-accent-pale); border-color: #c7d2fe; }
.api-callout.warn { background: var(--accent-yellow-light); border-color: #fde68a; }
.api-callout.danger { background: var(--accent-red-light); border-color: #fca5a5; }

/* ---------- TABLES ---------- */
.api-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  margin: 1rem 0 1.5rem;
}
.api-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.api-table th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-600);
  background: var(--gray-50);
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--gray-200);
}
.api-table td { padding: 0.85rem 1rem; border-bottom: 1px solid var(--gray-100); vertical-align: top; }
.api-table tr:last-child td { border-bottom: none; }
.api-table td:first-child code { white-space: nowrap; overflow-wrap: normal; }

/* Parameter list */
.api-params { border-top: 1px solid var(--gray-200); margin: 0.5rem 0 1.5rem; }
.api-param { padding: 1rem 0; border-bottom: 1px solid var(--gray-200); }
.api-param-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem; margin-bottom: 0.35rem; }
.api-param-name { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-weight: 700; color: var(--gray-900); font-size: 0.9rem; }
.api-param-type { font-size: 0.8rem; color: var(--gray-400); }
.api-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: 50px;
}
.api-badge.optional { background: var(--gray-100); color: var(--gray-600); }
.api-badge.required { background: var(--accent-red-light); color: #b91c1c; }
.api-badge.beta { background: var(--accent-yellow-light); color: #7a5c00; }
.api-param p { font-size: 0.9rem; color: var(--gray-600); margin-bottom: 0.35rem; }
.api-values { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.35rem; }

/* ---------- CODE BLOCKS ---------- */
.api-code {
  background: var(--api-code-bg);
  border: 1px solid var(--api-code-border);
  border-radius: var(--radius-sm);
  margin: 1rem 0 1.5rem;
  overflow: hidden;
}
.api-code-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.75rem 0.5rem 1rem;
  border-bottom: 1px solid var(--api-code-border);
  font-size: 0.75rem;
  font-weight: 600;
  color: #94a3b8;
}
.api-copy {
  font-size: 0.72rem;
  font-weight: 600;
  color: #cbd5e1;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  transition: background 0.15s, color 0.15s;
}
.api-copy:hover { background: #334155; color: #fff; }
.api-code pre {
  margin: 0;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--api-code-text);
}
.api-code .c { color: #64748b; }
.api-code .s { color: #86efac; }
.api-code .v { color: #a5b4fc; }
.api-code .k { color: #f9a8d4; }

/* ---------- CARDS / PAGER ---------- */
.api-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1rem 0 1.5rem; }
.api-card {
  display: block;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.api-card:hover { border-color: var(--api-accent); box-shadow: 0 4px 20px rgba(75,75,225,0.1); }
.api-card h4 { font-size: 1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 0.35rem; }
.api-card p { font-size: 0.85rem; color: var(--gray-600); margin: 0; }
.api-pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-200);
}
.api-pager a {
  flex: 1;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  transition: border-color 0.15s;
}
.api-pager a:hover { border-color: var(--api-accent); }
.api-pager a.next { text-align: right; }
.api-pager span { display: block; font-size: 0.75rem; color: var(--gray-400); }
.api-pager strong { color: var(--api-accent); font-size: 0.95rem; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 960px) {
  .api-layout { grid-template-columns: minmax(0, 1fr); }
  .api-sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--gray-200);
    padding: 1.25rem 1.25rem 0.5rem;
  }
  .api-sidebar-toggle {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: center;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 0.65rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1rem;
  }
  .api-sidebar-nav { display: none; }
  .api-sidebar.open .api-sidebar-nav { display: block; }
  .api-version { margin-bottom: 1rem; }
  .api-content { padding: 2rem 1.25rem 4rem; }
}
@media (max-width: 600px) {
  .api-cards { grid-template-columns: 1fr; }
  .api-pager { flex-direction: column; }
  .api-endpoint { flex-wrap: wrap; }
}