/* ACUOP Swagger navigation bar — dark charcoal theme */
#acuop-swagger-nav {
  --acuop-nav-bg: #1b1b1b;
  --acuop-nav-bg-elevated: #2a2a2a;
  --acuop-nav-border: #3d3d3d;
  --acuop-nav-text: #f0f0f0;
  --acuop-nav-muted: #9a9a9a;
  --acuop-nav-accent: #e8e8e8;
  --acuop-nav-focus: #7eb8ff;

  position: sticky;
  top: 0;
  z-index: 9999;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 10px 16px;
  background: linear-gradient(180deg, var(--acuop-nav-bg) 0%, #222222 100%);
  color: var(--acuop-nav-text);
  border-bottom: 1px solid var(--acuop-nav-border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

#acuop-swagger-nav .acuop-nav-brand {
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--acuop-nav-accent);
  white-space: nowrap;
  margin-right: 4px;
}

#acuop-swagger-nav .acuop-nav-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

#acuop-swagger-nav label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--acuop-nav-muted);
}

#acuop-swagger-nav input[type="search"],
#acuop-swagger-nav select {
  min-width: 160px;
  max-width: 280px;
  padding: 6px 10px;
  border: 1px solid var(--acuop-nav-border);
  border-radius: 6px;
  background: var(--acuop-nav-bg-elevated);
  color: var(--acuop-nav-text);
  font-size: 13px;
}

#acuop-swagger-nav input[type="search"]::placeholder {
  color: var(--acuop-nav-muted);
}

#acuop-swagger-nav input[type="search"]:focus,
#acuop-swagger-nav select:focus {
  outline: 2px solid var(--acuop-nav-focus);
  outline-offset: 1px;
  border-color: #5a5a5a;
}

#acuop-swagger-nav .acuop-letters {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  max-width: 100%;
}

#acuop-swagger-nav .acuop-letter {
  min-width: 28px;
  height: 28px;
  padding: 0 6px;
  border: 1px solid var(--acuop-nav-border);
  border-radius: 4px;
  background: var(--acuop-nav-bg-elevated);
  color: var(--acuop-nav-text);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

#acuop-swagger-nav .acuop-letter:hover {
  background: #353535;
  border-color: #555555;
  color: #ffffff;
}

#acuop-swagger-nav .acuop-letter.is-active {
  background: var(--acuop-nav-accent);
  color: var(--acuop-nav-bg);
  border-color: var(--acuop-nav-accent);
}

#acuop-swagger-nav .acuop-letter.is-disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

#acuop-swagger-nav .acuop-nav-count {
  margin-left: auto;
  font-size: 12px;
  color: var(--acuop-nav-muted);
  white-space: nowrap;
}

/* Hide tag sections filtered out by nav */
.opblock-tag-section.acuop-nav-hidden {
  display: none !important;
}

/* Slightly tighter swagger layout under nav */
.swagger-ui .information-container {
  margin-top: 0;
}

@media (max-width: 768px) {
  #acuop-swagger-nav {
    padding: 8px 12px;
  }

  #acuop-swagger-nav .acuop-nav-count {
    width: 100%;
    margin-left: 0;
  }

  #acuop-swagger-nav input[type="search"],
  #acuop-swagger-nav select {
    width: 100%;
    max-width: none;
  }
}