/* Agentic Publication Protocol — project page
   Restrained academic style: typographic, monochrome, no ornament. */

:root {
  --ink: #16191d;
  --body: #24282d;
  --muted: #6b7178;
  --faint: #9aa0a6;
  --link: #34507e;          /* muted academic blue */
  --link-hover: #1f3a66;
  --btn: #25292e;
  --btn-hover: #15181c;
  --rule: #e7e9ec;
  --box: #f6f7f8;
  --serif: "Charter", "Georgia", "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", "JetBrains Mono", "Menlo", "Consolas", monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: #fff;
  color: var(--body);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }

/* ---------- Header ---------- */
header { padding: 80px 0 0; text-align: center; }

h1 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 2rem;
  line-height: 1.22;
  letter-spacing: -0.012em;
  margin: 0;
  color: var(--ink);
}
.subtitle {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1.12rem;
  color: var(--muted);
  margin: 10px 0 28px;
}

.authors {
  font-family: var(--sans);
  font-size: 1.1rem;
  color: var(--ink);
  margin: 0 0 8px;
  line-height: 1.5;
}
.authors a { color: var(--ink); }
.authors a:hover { color: var(--link); }
.authors sup { color: var(--faint); font-weight: 400; font-size: 0.7em; }

.affiliations {
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 auto;
  max-width: 600px;
  line-height: 1.55;
}
.affiliations sup { color: var(--faint); }

/* ---------- Link row ---------- */
nav.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin: 30px 0 8px;
}
nav.links a {
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: #fff;
  background: var(--btn);
  padding: 8px 17px;
  border-radius: 6px;
  transition: background 0.15s ease;
}
nav.links a:hover { background: var(--btn-hover); color: #fff; text-decoration: none; }

/* ---------- Hero video ---------- */
.hero { padding: 44px 0 8px; }
.video-frame {
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  background: #000;
}
.video-frame video { display: block; width: 100%; height: auto; }
.media-note {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
  margin: 12px 0 0;
}

/* ---------- Sections ---------- */
section { padding: 44px 0 8px; }

h2 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  text-align: center;
  margin: 0 0 22px;
}

p { margin: 0 0 1.1em; }

#abstract p { text-align: justify; hyphens: auto; }

/* ---------- Contributions ---------- */
.contributions {
  margin: 0;
  padding-left: 1.25em;
}
.contributions li { margin: 0 0 0.7em; padding-left: 0.25em; }
.contributions li::marker { color: var(--faint); }

/* ---------- Figures ---------- */
figure { margin: 0 0 38px; }
figure:last-of-type { margin-bottom: 8px; }
figure img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  background: #fff;
}
figure.bordered img { border: 1px solid var(--rule); border-radius: 4px; }
figcaption {
  font-family: var(--sans);
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--muted);
  margin-top: 14px;
  text-align: left;
}
figcaption b { color: var(--ink); font-weight: 600; }

.fig-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

/* ---------- Talk to this paper ---------- */
.agent-lead { margin: 0 0 18px; }
.codeblock-label {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 8px;
}
.codeblock-label:not(:first-of-type) { margin-top: 20px; }

/* ---------- Code / citation blocks ---------- */
.cite-wrap { position: relative; }
.codeblock {
  background: var(--box);
  border: 1px solid var(--rule);
  color: #2a2e33;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.65;
  padding: 20px 18px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 0;
}
.codeblock .c { color: var(--faint); }
.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 5px;
  padding: 5px 11px;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.copy-btn:hover { color: var(--ink); border-color: var(--faint); }
.copy-btn.copied { color: #2f7d4f; border-color: #bcdcc6; }

/* ---------- Footer ---------- */
footer {
  margin-top: 28px;
  border-top: 1px solid var(--rule);
  padding: 28px 0 64px;
  font-family: var(--sans);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--muted);
  text-align: center;
}
footer p { margin: 0 auto; max-width: 580px; }
footer code {
  font-family: var(--mono);
  font-size: 0.82em;
  color: var(--ink);
}

@media (max-width: 560px) {
  body { font-size: 17px; }
  h1 { font-size: 1.6rem; }
  header { padding-top: 52px; }
}