:root {
  color-scheme: dark;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background:
    radial-gradient(circle at 10% 0%, rgba(59, 130, 246, 0.2), transparent 28%),
    radial-gradient(circle at 90% 0%, rgba(16, 185, 129, 0.12), transparent 24%),
    #020617;
}

.sidebar-shell {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(2, 6, 23, 0.95));
  backdrop-filter: blur(10px);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  border-radius: 0.75rem;
  padding: 0.65rem 0.85rem;
  color: #94a3b8;
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: #e2e8f0;
  background: rgba(30, 41, 59, 0.72);
}

.nav-link.active {
  color: #f8fafc;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.95), rgba(30, 58, 138, 0.45));
  border: 1px solid rgba(59, 130, 246, 0.35);
}

.lang-switch {
  border: 1px solid rgba(100, 116, 139, 0.5);
  background-color: rgba(15, 23, 42, 0.65);
  color: #cbd5e1;
}

.lang-switch.active {
  border-color: rgba(56, 189, 248, 0.65);
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.5), rgba(15, 23, 42, 0.85));
  color: #f8fafc;
}

.doc-panel {
  border: 1px solid rgba(51, 65, 85, 0.95);
  border-radius: 1rem;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
}

.info-box {
  border-left-width: 3px;
  border-radius: 0.75rem;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.66);
}

.info-note {
  border-left-color: #38bdf8;
}

.info-warning {
  border-left-color: #f59e0b;
}

.info-tip {
  border-left-color: #10b981;
}

.code-shell {
  border: 1px solid rgba(51, 65, 85, 1);
  border-radius: 0.9rem;
  overflow: hidden;
}

.code-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.9rem;
  background: #111827;
  border-bottom: 1px solid rgba(51, 65, 85, 1);
  font-size: 0.76rem;
  color: #94a3b8;
}

.code-dots {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.code-dots span {
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 999px;
}

.code-dots span:nth-child(1) {
  background: #ef4444;
}

.code-dots span:nth-child(2) {
  background: #f59e0b;
}

.code-dots span:nth-child(3) {
  background: #10b981;
}

pre {
  margin: 0;
  padding: 1rem;
  background: #1e1e1e;
  color: #d4d4d4;
  overflow-x: auto;
  font-family: "Cascadia Code", "Fira Code", Consolas, "Courier New", monospace;
  font-size: 0.86rem;
  line-height: 1.55;
}

code .kw {
  color: #569cd6;
}

code .fn {
  color: #dcdcaa;
}

code .st {
  color: #ce9178;
}

code .cm {
  color: #6a9955;
}

[data-lang] {
  display: block;
}