/* MCP pages: a recorded Claude Code + Nominal demo, and paired stills in the workbook tutorial.
   Everything uses the theme's tokens, hairlines, and mono labels, so it reads in light and dark. */

/* Demo: one recording of both windows, with chapters that seek it (mcp-demo.js). */
.mcp-demo { margin: 1.75rem 0 2.5rem; }
.mcp-demo-frame { position: relative; border: 1px solid var(--sy-c-border); background: #161616; line-height: 0; }
.yue .mcp-demo-video { display: block; width: 100%; height: auto; margin: 0; max-width: none; }
.mcp-demo-frame:fullscreen { display: grid; place-items: center; border: 0; }
.mcp-demo-frame:fullscreen .mcp-demo-video { max-height: 100vh; }
.mcp-demo-toggle {
  position: absolute; right: 0.75rem; bottom: 0.75rem;
  display: grid; place-items: center; width: 2rem; height: 2rem; padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.16); background: rgba(22, 22, 22, 0.8); color: #fff; cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease;
}
.mcp-demo-toggle:hover { background: #262626; border-color: rgba(255, 255, 255, 0.32); }
.mcp-demo-toggle:focus-visible { outline: 2px solid var(--sy-c-heading); outline-offset: 2px; }
.mcp-demo-expand { right: 3.25rem; }
.mcp-demo-toggle[hidden] { display: none; }
.mcp-demo-toggle svg { width: 0.75rem; height: 0.75rem; }
.mcp-demo .mcp-icon-pause, .mcp-demo.is-playing .mcp-icon-play { display: none; }
.mcp-demo.is-playing .mcp-icon-pause { display: block; }

.mcp-demo-chapters { display: grid; grid-auto-columns: minmax(0, 1fr); grid-auto-flow: column; margin: 0; padding: 0; list-style: none; border: 1px solid var(--sy-c-border); border-top: 0; }
.yue .mcp-demo-chapters { padding: 0; list-style: none; }
.yue .mcp-demo-chapters > li { margin: 0; padding: 0; }
.yue .mcp-demo-chapters > li::marker { content: none; }
.mcp-demo-chapters li + li { border-left: 1px solid var(--sy-c-border); }
.mcp-demo-chapters button {
  position: relative; display: block; width: 100%; padding: 0.8rem 0.9rem 0.85rem; border: 0; background: none; cursor: pointer; text-align: left;
  font: 500 0.8125rem/1.35 var(--sy-f-text); color: var(--sy-c-light); transition: color 150ms ease, background-color 150ms ease;
}
.mcp-demo-chapters button span { display: block; margin-bottom: 0.2rem; font: 500 0.6875rem/1.3 var(--sy-f-mono); letter-spacing: 0.04em; }
.mcp-demo-chapters button:hover { color: var(--sy-c-heading); background: var(--gray-a2); }
.mcp-demo-chapters button:focus-visible { outline: 2px solid var(--sy-c-heading); outline-offset: -2px; }
/* The current chapter is bright, with a progress rule along its top edge. */
.mcp-demo-chapters button::before { content: ""; position: absolute; inset: -1px auto auto 0; height: 2px; width: calc(var(--p, 0) * 100%); background: var(--sy-c-heading); }
.mcp-demo-chapters button[aria-current="step"] { color: var(--sy-c-heading); }
.mcp-demo figcaption { margin-top: 0.75rem; font-size: 0.8125rem; line-height: 1.5; color: var(--sy-c-light); }

/* Paired stills: the Claude Code exchange above the workbook it changed, in one card. */
.mcp-pair { margin: 1.25rem 0 1.5rem; border: 1px solid var(--sy-c-border); }
.mcp-pair > div + div { border-top: 1px solid var(--sy-c-border); }
.mcp-pair-label { display: flex; justify-content: space-between; gap: 0.5rem; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--sy-c-border); font: 500 0.6875rem/1.4 var(--sy-f-mono); letter-spacing: 0.04em; text-transform: uppercase; color: var(--sy-c-light); }
.mcp-pair-label b { font-weight: 500; color: var(--sy-c-heading); }
.mcp-pair a { display: block; line-height: 0; }
.mcp-pair-term a { background: #161616; }
.yue .mcp-pair img { display: block; width: 100%; height: auto; margin: 0; }
.mcp-pair a:focus-visible { outline: 2px solid var(--sy-c-heading); outline-offset: -2px; }

.mcp-formula { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 1rem; margin: 1.25rem 0; padding: 0.75rem 1rem; border: 1px solid var(--sy-c-border); border-left: 2px solid var(--sy-c-heading); font-size: 0.8125rem; }
.mcp-formula span { font: 500 0.6875rem/1.6 var(--sy-f-mono); letter-spacing: 0.04em; text-transform: uppercase; color: var(--sy-c-light); }

.mcp-next { margin-block: 1rem 2rem; }
.mcp-still img { display: block; width: 100%; height: auto; border: 1px solid var(--sy-c-border); }

@media (prefers-reduced-motion: reduce) {
  .mcp-demo-toggle, .mcp-demo-chapters button { transition: none; }
}
@media (max-width: 42rem) {
  .mcp-demo-chapters { grid-auto-flow: row; }
  .mcp-demo-toggle { width: 1.5rem; height: 1.5rem; right: 0.4rem; bottom: 0.4rem; }
  .mcp-demo-expand { right: 2.2rem; }
  .mcp-demo-chapters li + li { border-left: 0; border-top: 1px solid var(--sy-c-border); }
}
/* The project name also appears in mobile breadcrumbs. Leave room for the menu. */
@media (max-width: 30rem) { .sy-head .sy-head-brand, .sy-head .nominal-hub-divider { display: none; } }

/* Client tabs (mcp/index.md): each client's logo before its name. */
.sd-tab-label[data-sync-group="mcp-client"]::before {
  content: ""; display: inline-block; width: 1em; height: 1em; margin-right: 0.45em; vertical-align: -0.15em;
  background-color: currentColor; -webkit-mask: var(--mcp-client-logo) center / contain no-repeat; mask: var(--mcp-client-logo) center / contain no-repeat;
}
.sd-tab-label[data-sync-id="claude-code"]::before { background: url("logos/claude.svg") center / contain no-repeat; -webkit-mask: none; mask: none; }
.sd-tab-label[data-sync-id="codex"]::before { --mcp-client-logo: url("logos/openai.svg"); }
.sd-tab-label[data-sync-id="other"]::before { --mcp-client-logo: url("logos/mcp.svg"); }