/*
 * Documentation-only composition.
 *
 * The shared reset, canvas, typography, header, navigation, footer, modal,
 * and controls live in styles.css. Keep this file limited to documentation
 * content and its responsive reading layout.
 */

.docs-page::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0.34;
  background-image:
    radial-gradient(circle at 20% 15%, rgba(255, 255, 255, 0.8) 0 1px, transparent 1.5px),
    radial-gradient(circle at 78% 64%, rgba(8, 64, 50, 0.15) 0 1px, transparent 1.5px);
  background-size: 38px 38px, 53px 53px;
  mask-image: linear-gradient(to bottom, transparent, black 9%, black 91%, transparent);
}

.docs-page code:not(pre code) {
  padding: 0.08em 0.3em;
  background: var(--inline-code-surface);
  border: 1px solid var(--line-soft);
  font-size: 0.88em;
}

.page-shell {
  position: relative;
  overflow: clip;
}

.page-shell::before,
.page-shell::after {
  position: absolute;
  z-index: -1;
  content: "";
  pointer-events: none;
  filter: blur(3px) saturate(112%);
}

.page-shell::before {
  top: 80px;
  right: -19vw;
  width: min(82vw, 1200px);
  height: min(58vw, 840px);
  border-radius: 46% 54% 58% 42% / 42% 39% 61% 58%;
  opacity: 0.64;
  background:
    radial-gradient(ellipse at 34% 28%, rgba(249, 255, 255, 0.94) 0 5%, transparent 18%),
    radial-gradient(ellipse at 61% 38%, rgba(149, 225, 255, 0.92) 0 16%, rgba(31, 160, 211, 0.67) 34%, transparent 63%),
    radial-gradient(ellipse at 44% 78%, rgba(36, 155, 205, 0.72) 0 17%, transparent 49%);
  transform: rotate(-16deg);
  box-shadow: inset 34px 26px 47px rgba(237, 255, 255, 0.58), 0 30px 80px rgba(0, 108, 173, 0.16);
}

.page-shell::after {
  top: 37rem;
  left: -22rem;
  width: 49rem;
  height: 35rem;
  border-radius: 58% 42% 41% 59% / 49% 56% 44% 51%;
  opacity: 0.3;
  background: radial-gradient(ellipse at 64% 42%, rgba(77, 203, 120, 0.82), rgba(189, 255, 208, 0.34) 43%, transparent 70%);
  transform: rotate(26deg);
}

.hero {
  min-height: 640px;
  padding:
    clamp(80px, 9vw, 150px) var(--content-inset) clamp(68px, 8vw, 126px);
}

.section-label {
  display: block;
  margin-bottom: 17px;
  color: var(--green-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .lead {
  max-width: 730px;
  margin-bottom: 40px;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 920px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-meta dl {
  margin: 0;
  padding: 17px 18px 18px 0;
}

.hero-meta dl + dl {
  padding-left: 18px;
  border-left: 1px solid var(--line-soft);
}

.hero-meta dt {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-meta dd {
  margin: 5px 0 0;
  font-size: 16px;
}

.docs-layout {
  display: grid;
  grid-template-columns: minmax(210px, 260px) minmax(0, 1fr);
  gap: clamp(42px, 6vw, 110px);
  padding-inline: var(--content-inset);
  padding-bottom: 120px;
}

.contents {
  position: sticky;
  top: 112px;
  align-self: start;
  max-height: calc(100vh - 136px);
  overflow-y: auto;
  padding-right: 20px;
}

.contents-title {
  margin: 0 0 13px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contents a {
  display: block;
  padding: 8px 0;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 11px;
  text-decoration: none;
  transition: color 140ms ease, padding-left 140ms ease;
}

.contents a:hover,
.contents a:focus-visible,
.contents a.is-active {
  padding-left: 7px;
  color: var(--ink);
  outline: none;
}

.contents a.is-active {
  border-bottom-color: var(--line);
}

.contents-note {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.docs-content {
  min-width: 0;
}

.doc-section {
  padding: clamp(56px, 7vw, 100px) 0;
  border-top: 1px solid var(--line);
}

.doc-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.section-intro {
  max-width: var(--content-measure);
  margin-bottom: 38px;
  color: var(--prose-strong);
  font-size: clamp(18px, 1.8vw, 24px);
  line-height: 1.33;
  letter-spacing: -0.025em;
}

.prose {
  max-width: var(--prose-measure);
}

.prose p,
.prose li {
  color: var(--prose-body);
}

.prose p {
  margin-bottom: 17px;
}

.prose ul,
.prose ol {
  padding-left: 1.35em;
}

.flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 42px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.flow-step {
  position: relative;
  min-width: 0;
  padding: 23px 18px 24px;
}

.flow-step + .flow-step {
  border-left: 1px solid var(--line-soft);
}

.flow-step:not(:last-child)::after {
  position: absolute;
  top: 25px;
  right: -7px;
  z-index: 1;
  width: 13px;
  height: 13px;
  content: "→";
  color: var(--green);
  background: #e9f8ee;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 13px;
  text-align: center;
}

.flow-step span {
  display: block;
  margin-bottom: 11px;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.flow-step strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 500;
}

.flow-step p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.numbered-flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 var(--grid-gap-fluid);
  margin: 35px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: lifecycle;
}

.numbered-flow li {
  position: relative;
  padding: 22px 0 25px 54px;
  border-top: 1px solid var(--line-soft);
  counter-increment: lifecycle;
}

.numbered-flow li::before {
  position: absolute;
  top: 21px;
  left: 0;
  width: 34px;
  height: 34px;
  content: counter(lifecycle, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 34px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.numbered-flow strong {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

.numbered-flow p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 16px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}

.data-table th {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.data-table td:first-child {
  font-weight: 500;
}

.data-table a {
  color: var(--green-dark);
}

.provider-details {
  margin-top: 54px;
}

.provider-block {
  display: grid;
  grid-template-columns: minmax(170px, 0.36fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
  padding: 39px 0 44px;
  border-top: 1px solid var(--line-soft);
}

.provider-block h3 {
  margin: 0;
}

.provider-summary {
  margin: 7px 0 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.provider-body > p {
  max-width: var(--content-measure);
}

.code-block {
  position: relative;
  margin: 22px 0 0;
  overflow: hidden;
  color: var(--code-ink);
  background: var(--code);
  border: 1px solid var(--code-line);
  border-radius: var(--radius-panel);
  box-shadow: 0 20px 60px rgba(7, 50, 41, 0.14);
}

.code-block + h3 {
  margin-top: var(--space-subsection);
}

.code-head {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 11px 9px 15px;
  color: var(--code-label);
  border-bottom: 1px solid var(--code-line-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.copy-button {
  padding: 6px 9px;
  color: inherit;
  background: transparent;
  border: 1px solid var(--code-control-line);
  border-radius: var(--radius-control);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
}

.copy-button:hover,
.copy-button:focus-visible {
  color: var(--ink);
  background: var(--code-control-hover);
  outline: none;
}

pre {
  margin: 0;
  overflow-x: auto;
  padding: 19px 20px 22px;
  font-size: 12px;
  line-height: 1.62;
  tab-size: 2;
}

pre code {
  font: inherit;
}

.callout {
  margin: 32px 0 0;
  padding: 20px 22px;
  background: var(--callout-surface);
  border-left: 3px solid var(--callout-line);
}

.callout strong {
  display: block;
  margin-bottom: 4px;
  font-weight: 500;
}

.callout p {
  margin: 0;
  color: var(--callout-text);
}

.mcp-map {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(42px, 0.16fr) minmax(0, 1.3fr);
  align-items: stretch;
  margin: 38px 0 48px;
}

.mcp-node,
.mcp-servers {
  padding: 25px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.mcp-node {
  border-left: 1px solid var(--line);
}

.mcp-servers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  border-right: 1px solid var(--line);
}

.mcp-server {
  padding: 25px 18px;
}

.mcp-server + .mcp-server {
  border-left: 1px solid var(--line-soft);
}

.mcp-node span,
.mcp-server span {
  display: block;
  margin-bottom: 8px;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.mcp-node strong,
.mcp-server strong {
  display: block;
  font-weight: 500;
}

.mcp-node p,
.mcp-server p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.mcp-link {
  display: grid;
  place-items: center;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 18px;
}

.primitive-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 35px 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.primitive {
  padding: 24px 20px 27px;
}

.primitive + .primitive {
  border-left: 1px solid var(--line-soft);
}

.primitive h3 {
  font-size: 24px;
}

.primitive p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.tool-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 var(--grid-gap-fluid);
  margin-top: 38px;
}

.tool-row {
  display: grid;
  grid-template-columns: minmax(140px, 0.5fr) minmax(0, 1fr);
  gap: 18px;
  padding: 17px 0;
  border-top: 1px solid var(--line-soft);
}

.tool-row code {
  align-self: start;
  width: max-content;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.tool-row p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.security-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 var(--grid-gap-fluid);
  margin: 35px 0 0;
  padding: 0;
  list-style: none;
}

.security-list li {
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
}

.security-list strong {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

.security-list p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.hardware-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 36px 0 44px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hardware-fact {
  padding: 22px 18px;
}

.hardware-fact + .hardware-fact {
  border-left: 1px solid var(--line-soft);
}

.hardware-fact span {
  display: block;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hardware-fact strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
  font-weight: 300;
  letter-spacing: -0.04em;
}

.source-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 var(--grid-gap-fluid);
  margin: 31px 0 0;
  padding: 0;
  list-style: none;
}

.source-list li {
  border-top: 1px solid var(--line-soft);
}

.source-list a {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 0;
  text-decoration: none;
}

.source-list a::after {
  content: "↗";
  color: var(--green);
  font-family: var(--font-mono);
}

.source-list small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
}

@media (max-width: 1080px) {
  .flow {
    grid-template-columns: 1fr;
  }

  .flow-step + .flow-step {
    border-top: 1px solid var(--line-soft);
    border-left: 0;
  }

  .flow-step:not(:last-child)::after {
    top: auto;
    right: 22px;
    bottom: -7px;
    content: "↓";
  }

  .mcp-map {
    grid-template-columns: 1fr;
  }

  .mcp-node {
    border-right: 1px solid var(--line);
  }

  .mcp-link {
    min-height: 44px;
  }

  .mcp-servers {
    border-left: 1px solid var(--line);
  }
}

@media (max-width: 991px) {
  .hero {
    min-height: 0;
    padding-top: 72px;
  }

  .hero-meta {
    grid-template-columns: 1fr;
  }

  .hero-meta dl + dl {
    padding-left: 0;
    border-top: 1px solid var(--line-soft);
    border-left: 0;
  }

  .docs-layout {
    display: block;
  }

  .contents {
    position: relative;
    top: auto;
    max-height: none;
    margin-bottom: 50px;
    padding: 0;
  }

  .contents nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 22px;
  }

  .numbered-flow,
  .tool-list,
  .security-list,
  .source-list {
    grid-template-columns: 1fr;
  }

  .provider-block {
    grid-template-columns: 1fr;
  }

  .primitive-grid,
  .hardware-facts {
    grid-template-columns: 1fr 1fr;
  }

  .primitive:nth-child(n + 3) {
    border-top: 1px solid var(--line-soft);
  }

  .primitive:nth-child(odd) {
    border-left: 0;
  }

  .hardware-fact:nth-child(n + 3) {
    border-top: 1px solid var(--line-soft);
  }

  .hardware-fact:nth-child(odd) {
    border-left: 0;
  }
}

@media (max-width: 680px) {
  .doc-section {
    padding: 58px 0;
  }

  .contents nav {
    grid-template-columns: 1fr;
  }

  .primitive-grid,
  .hardware-facts,
  .mcp-servers {
    grid-template-columns: 1fr;
  }

  .primitive + .primitive,
  .hardware-fact + .hardware-fact,
  .mcp-server + .mcp-server {
    border-top: 1px solid var(--line-soft);
    border-left: 0;
  }

  .tool-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  pre {
    padding: 17px;
    font-size: 11px;
  }

}