:root {
  --bg: #0c1016;
  --panel: #141b24;
  --panel-border: #243143;
  --muted: #a5b0c2;
  --accent: #22c55e;
  --accent-dark: #0f1f16;
}

body {
  background-color: var(--bg);
  background-image: url("data:image/svg+xml,%3Csvg width='120' height='120' viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23202a38' fill-opacity='0.35'%3E%3Ccircle cx='6' cy='6' r='2'/%3E%3Ccircle cx='60' cy='60' r='1.5'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 120px 120px;
  color: #ffffff;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  padding: 8px 12px;
  background: #111827;
  color: #ffffff;
  border-radius: 6px;
  z-index: 999;
}

.skip-link:focus {
  left: 8px;
}

.navbar {
  background-color: rgba(12, 16, 22, 0.95);
  border-bottom: 1px solid var(--panel-border);
}

.navbar .nav-link {
  color: #ffffff;
  opacity: 0.8;
}

.navbar .nav-link:hover {
  opacity: 1;
}

.panel {
  background-color: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.35);
}

.panel-inner {
  background-color: #101622;
  border-radius: 12px;
  border: 1px solid rgba(36, 49, 67, 0.6);
}

.eyebrow {
  letter-spacing: 0.22em;
  font-size: 0.7rem;
}

.text-muted {
  color: var(--muted) !important;
}

.btn-primary {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #0b1210;
  font-weight: 600;
}

.btn-primary:hover {
  background-color: #1ea653;
  border-color: #1ea653;
  color: #0b1210;
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
}

.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

.code-box {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.code-value {
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 1.35rem;
  letter-spacing: 0.2em;
  background: var(--accent-dark);
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid rgba(34, 197, 94, 0.4);
}

.code-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.language-pill {
  background-color: #101826;
  color: #ffffff;
  border: 1px solid rgba(36, 49, 67, 0.8);
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 500;
}

.language-pill.active {
  border-color: var(--accent);
  color: var(--accent);
}

.accordion-dark .accordion-item {
  background-color: #101622;
  border: 1px solid rgba(36, 49, 67, 0.8);
  border-radius: 12px;
  margin-bottom: 10px;
}

.accordion-dark .accordion-button {
  background-color: transparent;
  color: #ffffff;
  font-weight: 600;
}

.accordion-dark .accordion-button:focus {
  box-shadow: none;
  border-color: var(--accent);
}

.accordion-dark .accordion-button:not(.collapsed) {
  color: var(--accent);
  background-color: rgba(34, 197, 94, 0.08);
}

.accordion-dark .accordion-body {
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--panel-border);
  background-color: rgba(12, 16, 22, 0.9);
}

.badge.language-pill {
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .display-4 {
    font-size: 2.2rem;
  }

  .display-5 {
    font-size: 2rem;
  }
}