* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  height: 100%;
  background: var(--color-black);
  color: var(--color-text);
  font-family: var(--font-hanken);
}

a {
  color: var(--color-accent);
}

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 0.15rem 0.4rem;
  background: var(--color-surface-aa);
  border: 1px solid var(--color-border-aa);
}

/* --- topbar --- */

.docs-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  background: var(--color-black);
  border-bottom: 1px solid var(--color-border-aa);
  z-index: 100;
}

.docs-topbar .logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-text);
}

.docs-topbar .logo img {
  width: 1.75rem;
  height: 1.75rem;
}

.docs-topbar .logo b {
  font-family: var(--font-space);
  font-size: 1.15rem;
}

.docs-topbar .options {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.docs-topbar .options a {
  padding: 0.5rem 1rem;
  color: var(--color-text);
  text-decoration: none;
  opacity: 0.8;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: 0.15s;
}

.docs-topbar .options a:hover {
  opacity: 1;
}

.docs-topbar .options a.primary {
  opacity: 1;
  background: var(--color-accent-strong);
}

/* --- left nav / toc --- */

.docs-nav {
  position: fixed;
  top: 4rem;
  left: 0;
  bottom: 0;
  width: 16rem;
  padding: 1.5rem 1rem;
  overflow-y: auto;
  border-right: 1px solid var(--color-border-aa);
  background: var(--color-bg-aa);
}

.docs-nav .group {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.5rem;
}

.docs-nav .group-label {
  padding: 0 0.75rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.5;
}

.docs-nav a {
  padding: 0.5rem 0.75rem;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.85rem;
  border-left: 3px solid transparent;
  transition: 0.15s;
}

.docs-nav a:hover {
  background: var(--color-surface-75);
}

.docs-nav a.active {
  border-left-color: var(--color-accent);
  background: var(--color-border-aa);
  color: var(--color-accent);
}

/* --- content --- */

.docs-content {
  position: fixed;
  top: 4rem;
  left: 16rem;
  right: 0;
  bottom: 0;
  overflow-y: auto;
  padding: 2.5rem 4rem 6rem;
}

.docs-content h1 {
  margin: 0 0 1rem;
  font-family: var(--font-space);
  font-size: 2.5rem;
}

.docs-content section {
  margin-bottom: 3rem;
  padding-top: 1.5rem;
  scroll-margin-top: 1rem;
}

.docs-content section:first-child {
  padding-top: 0;
}

.docs-content h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-space);
  font-size: 1.5rem;
  border-top: 1px solid var(--color-border-aa);
  padding-top: 2rem;
}

.docs-content section:first-child h2 {
  border-top: none;
  padding-top: 0;
}

.docs-content p {
  line-height: 1.6;
  opacity: 0.85;
}

.docs-content .lead {
  font-size: 1.05rem;
  opacity: 0.95;
}

.docs-content ul {
  line-height: 1.7;
  opacity: 0.85;
}

.pill-method {
  display: inline-flex;
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  margin-right: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-success-alt);
  background: var(--color-success-alt-1a);
}

.doc-code {
  margin: 1rem 0;
  padding: 1rem 1.25rem;
  border: 1px solid var(--color-border-aa);
  background: var(--color-shadow-40);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.doc-code span.purple { color: var(--color-accent); }
.doc-code span.green { color: var(--color-success-alt); }
.doc-code span.red { color: var(--color-danger-alt); }
.doc-code span.orange { color: var(--color-orange); }

.docs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 1rem;
}

.docs-table th {
  padding: 0.6rem 0.75rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.5;
  border-bottom: 1px solid var(--color-border-aa);
}

.docs-table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--color-border-55);
}

@media (max-width: 900px) {
  .docs-nav {
    display: none;
  }

  .docs-content {
    left: 0;
    padding: 2rem 1.5rem 4rem;
  }
}