/* GitBook-style documentation layout for LONG10 */

.page-docs {
  padding-bottom: env(safe-area-inset-bottom);
}

.page-docs .topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(0, 15, 6, 0.92);
  backdrop-filter: blur(12px);
}

.docs-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-70);
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--ink-08);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.docs-back:hover {
  color: var(--ink);
  border-color: var(--line);
  background: var(--ink-04);
}

.docs-back::before {
  content: "←";
  font-size: 14px;
}

.docs-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: calc(100vh - 72px);
  max-width: 1280px;
  margin: 0 auto;
}

/* Sidebar */
.docs-sidebar {
  position: sticky;
  top: 72px;
  align-self: start;
  height: calc(100vh - 72px);
  overflow-y: auto;
  padding: var(--space-4) var(--space-3) var(--space-6);
  border-right: 1px solid var(--ink-08);
  scrollbar-width: thin;
}

.docs-sidebar-head {
  padding: 0 var(--space-2) var(--space-3);
  margin-bottom: var(--space-2);
  border-bottom: 1px solid var(--ink-08);
}

.docs-sidebar-head p {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--live);
}

.docs-sidebar-head h2 {
  margin: 6px 0 0;
  font-size: 18px;
  font-weight: 600;
}

.docs-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.docs-nav li {
  margin: 2px 0;
}

.docs-nav a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-70);
  transition: color 0.15s, background 0.15s;
}

.docs-nav a:hover {
  color: var(--ink);
  background: var(--ink-04);
}

.docs-nav a[aria-current="page"] {
  color: var(--live);
  background: var(--live-dim);
}

.docs-nav-group {
  margin-top: var(--space-4);
  padding: 0 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-45);
}

.docs-sidebar-close {
  display: none;
  position: absolute;
  top: 16px;
  right: 12px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--ink-08);
  border-radius: 8px;
  background: var(--ink-04);
  color: var(--ink);
  font-size: 20px;
  line-height: 1;
}

/* Mobile sidebar toggle */
.docs-menu-btn {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--ink-08);
  background: var(--ink-04);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}

.docs-menu-btn span {
  width: 16px;
  height: 2px;
  background: currentColor;
  box-shadow: 0 -5px 0 currentColor, 0 5px 0 currentColor;
}

.docs-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

/* Main content */
.docs-main {
  padding: var(--space-5) var(--space-6) var(--space-7);
  min-width: 0;
}

.docs-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-bottom: var(--space-4);
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-45);
}

.docs-breadcrumb a:hover {
  color: var(--live);
}

.docs-breadcrumb span[aria-hidden="true"] {
  opacity: 0.4;
}

.docs-title {
  margin: 0 0 var(--space-3);
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.docs-lead {
  margin: 0 0 var(--space-5);
  max-width: 62ch;
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink-70);
}

.docs-hero-art {
  margin: 0 0 var(--space-6);
  padding: var(--space-5);
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(121, 255, 119, 0.06) 0%, rgba(3, 22, 12, 0.9) 55%, var(--surface) 100%);
  overflow: hidden;
}

.docs-hero-art svg,
.docs-hero-art img {
  width: 100%;
  max-height: 280px;
  object-fit: contain;
}

/* Prose */
.docs-prose {
  max-width: 68ch;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-92);
}

.docs-prose > * + * {
  margin-top: 1.25em;
}

.docs-prose h2 {
  margin-top: 2.2em;
  margin-bottom: 0.6em;
  font-family: var(--display);
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
  scroll-margin-top: 88px;
}

.docs-prose h3 {
  margin-top: 1.8em;
  margin-bottom: 0.5em;
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

.docs-prose p {
  margin: 0;
}

.docs-prose ul,
.docs-prose ol {
  margin: 0;
  padding-left: 1.4em;
}

.docs-prose li + li {
  margin-top: 0.5em;
}

.docs-prose strong {
  color: var(--ink);
  font-weight: 600;
}

.docs-prose a {
  color: var(--live);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.docs-prose a:hover {
  opacity: 0.85;
}

/* Callouts */
.docs-callout {
  margin: var(--space-4) 0;
  padding: var(--space-3) var(--space-4);
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--live-dim);
  font-size: 15px;
}

.docs-callout-title {
  display: block;
  margin-bottom: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--live);
}

.docs-callout.info {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--ink-18);
}

/* Cards grid */
.docs-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
  margin: var(--space-5) 0;
  max-width: 72ch;
}

.docs-card {
  padding: var(--space-4);
  border-radius: 14px;
  border: 1px solid var(--ink-08);
  background: var(--surface);
  transition: border-color 0.2s, transform 0.2s;
}

.docs-card:hover {
  border-color: var(--line);
  transform: translateY(-2px);
}

.docs-card-k {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--live);
}

.docs-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
}

.docs-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-70);
}

/* Fee table */
.docs-table-wrap {
  overflow-x: auto;
  margin: var(--space-4) 0;
  border-radius: 12px;
  border: 1px solid var(--ink-08);
}

.docs-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 14px;
}

.docs-table th,
.docs-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--ink-08);
}

.docs-table th {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-45);
  background: var(--surface);
}

.docs-table tr:last-child td {
  border-bottom: none;
}

.docs-table td:last-child {
  font-family: var(--mono);
  color: var(--live);
}

/* Flow diagram */
.docs-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: var(--space-5) 0;
  max-width: 420px;
}

.docs-flow-step {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) 0;
}

.docs-flow-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--live-dim);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--live);
}

.docs-flow-body h4 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
}

.docs-flow-body p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-70);
  line-height: 1.5;
}

.docs-flow-step:not(:last-child) .docs-flow-num::after {
  content: "";
  position: absolute;
  margin-top: 40px;
  width: 1px;
  height: calc(100% - 8px);
  background: var(--line);
}

.docs-flow-step {
  position: relative;
}

/* Prev / next */
.docs-pager {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--ink-08);
  max-width: 68ch;
}

.docs-pager a {
  flex: 1;
  min-width: 180px;
  max-width: 280px;
  padding: var(--space-3) var(--space-4);
  border-radius: 12px;
  border: 1px solid var(--ink-08);
  background: var(--surface);
  transition: border-color 0.2s, background 0.2s;
}

.docs-pager a:hover {
  border-color: var(--line);
  background: var(--card);
}

.docs-pager-label {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-45);
  margin-bottom: 4px;
}

.docs-pager-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.docs-pager a.next {
  text-align: right;
  margin-left: auto;
}

/* Footer within docs */
.docs-foot {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-45);
}

/* Responsive */
@media (max-width: 900px) {
  .docs-layout {
    grid-template-columns: 1fr;
  }

  .docs-menu-btn {
    display: inline-flex;
  }

  .docs-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    width: min(300px, 88vw);
    height: 100vh;
    padding-top: calc(72px + var(--space-3));
    background: var(--bg);
    border-right: 1px solid var(--line);
    transform: translateX(-105%);
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 8px 0 32px rgba(0, 0, 0, 0.4);
  }

  .docs-sidebar-close {
    display: grid;
    place-items: center;
  }

  .docs-sidebar.is-open {
    transform: translateX(0);
  }

  .docs-overlay.is-visible {
    display: block;
  }

  .docs-main {
    padding: var(--space-4) var(--space-3) var(--space-6);
  }

  .docs-hero-art {
    padding: var(--space-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  .docs-sidebar {
    transition: none;
  }
}