.resident-inventor-page {
  --ri-ding: #e2b86b;
  --ri-line: var(--border-color);
  max-width: 820px;
}

[data-theme="light"] .resident-inventor-page { --ri-ding: #925d0b; }

.resident-inventor-page > header,
.resident-inventor-page > section,
.resident-inventor-page > footer { background: transparent; box-shadow: none; text-align: left; }

.ri-hero {
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(2rem, 4vw, 3rem);
}

.ri-kicker,
.ri-node-kind,
.ri-loop-label,
.ri-article-number {
  color: var(--accent-light);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.ri-hero .ri-kicker { margin-bottom: 1.35rem; }

.ri-hero h1 {
  max-width: 780px;
  margin: 0 0 2rem;
  font-size: clamp(4.4rem, 12vw, 8.4rem);
  line-height: .78;
  letter-spacing: -.065em;
}

.ri-deck {
  max-width: 690px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  line-height: 1.48;
}

.ri-jump {
  align-self: flex-start;
  margin-top: 2.25rem;
  color: var(--fg);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.ri-jump span { display: inline-block; margin-left: .4rem; color: var(--accent); }

.ri-diagram-section { padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(4rem, 9vw, 7rem); border-bottom: 1px solid var(--border-color); }

.ri-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(230px, .85fr);
  gap: 1rem 3rem;
  margin-bottom: 3rem;
}

.ri-section-heading .ri-kicker { grid-column: 1 / -1; margin: 0; }
.ri-section-heading h2 { margin: 0; font-size: clamp(2.8rem, 7vw, 4.8rem); line-height: .95; }
.ri-section-heading > p:last-child { align-self: end; margin: 0; color: var(--text-muted); font-size: .92rem; line-height: 1.6; }

.ri-explorer { border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }

.ri-tabs-wrap { position: relative; border-bottom: 1px solid var(--border-color); }
.ri-tabs-wrap::after {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 2rem;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--bg));
  pointer-events: none;
  content: "";
}

.ri-tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.ri-tab {
  flex: 0 0 auto;
  padding: 1rem .9rem .85rem;
  border: 0;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--text-muted);
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.25;
  text-transform: uppercase;
  white-space: nowrap;
}

.ri-tab:hover { background: transparent; color: var(--fg); }
.ri-tab[aria-selected="true"] { border-bottom-color: var(--accent); color: var(--fg); }

.ri-panel { padding: clamp(1.5rem, 5vw, 2.75rem) 0 0; outline: 0; }
.ri-panel:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.ri-panel-intro { display: grid; grid-template-columns: minmax(220px, .8fr) minmax(0, 1.2fr); gap: 1.5rem 3rem; padding: 0 clamp(1rem, 3vw, 1.5rem) 2.25rem; }
.ri-panel-intro h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.75rem, 4vw, 2.4rem); font-weight: 500; line-height: 1.05; }
.ri-panel-intro p { margin: 0; color: var(--text-muted); font-size: .9rem; line-height: 1.6; }

.ri-graph { min-width: 0; }
.ri-loop { padding: 1.5rem clamp(1rem, 3vw, 1.5rem) 2.5rem; border-top: 1px solid var(--border-color); }
.ri-loop + .ri-loop { margin-top: 0; }
.ri-loop > .ri-loop-label { margin: 0 0 1.4rem; }

.ri-sequence-shell { position: relative; min-width: 0; }
.ri-scroll-hint {
  margin: 0 0 .55rem;
  color: var(--accent-light);
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-align: right;
  text-transform: uppercase;
}
.ri-sequence-shell:not(.is-at-end)::after {
  position: absolute;
  right: 0;
  bottom: .75rem;
  width: 2px;
  height: calc(100% - 2rem);
  background: var(--accent);
  content: "";
  pointer-events: none;
}

.ri-sequence {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(190px, 1fr);
  gap: 0;
  margin: 0;
  padding: 0 0 .75rem;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.ri-node { position: relative; min-height: 230px; padding: 2.1rem 1.2rem 1.1rem 0; }
.ri-node::before { position: absolute; top: .72rem; left: 0; right: 0; height: 1px; background: var(--ri-line); content: ""; }
.ri-node:last-child::before { right: calc(100% - .55rem); }
.ri-node:not(:last-child)::after { position: absolute; top: .46rem; right: .35rem; color: var(--text-muted); font-size: .8rem; content: "→"; }

.ri-node-marker {
  position: absolute;
  z-index: 1;
  top: .22rem;
  left: 0;
  display: grid;
  width: 1.1rem;
  height: 1.1rem;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--bg);
  color: transparent;
  font-size: 0;
}

.ri-node-kind { margin: 0 0 .7rem; }
.ri-node-title { margin: 0 0 .7rem; color: var(--fg); font-family: Georgia, "Times New Roman", serif; font-size: 1.15rem; font-weight: 500; line-height: 1.25; }
.ri-node-text { margin: 0; color: var(--text-muted); font-size: .8rem; line-height: 1.55; }

.ri-node-quote {
  margin: .15rem 0 .8rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--fg);
  font-size: 1.05rem;
  line-height: 1.38;
}

.ri-node--ding { border-top: 3px double var(--ri-ding); }
.ri-node--ding .ri-node-marker { border: 3px double var(--ri-ding); }
.ri-node--ding .ri-node-kind { color: var(--ri-ding); }
.ri-node--dormant::before { background: repeating-linear-gradient(90deg, var(--text-muted) 0 4px, transparent 4px 9px); }
.ri-node--dormant .ri-node-marker { border-style: dashed; border-color: var(--text-muted); }
.ri-node--dormant .ri-node-kind { color: var(--text-muted); }
.ri-node--note { opacity: .78; }
.ri-node--note .ri-node-marker { border-radius: 0; border-color: var(--text-muted); }

.ri-recursion,
.ri-return-line {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: .35rem .75rem;
  align-items: baseline;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-color);
  color: var(--text-muted);
  font-size: .78rem;
}

.ri-recursion > span:first-child,
.ri-return-line > span:first-child { color: var(--accent); font-size: 1rem; }
.ri-recursion strong, .ri-return-line strong { color: var(--fg); text-transform: uppercase; letter-spacing: .07em; }

.ri-field-environment {
  position: relative;
  margin: 0 0 2.5rem;
  padding: clamp(1.5rem, 5vw, 2.75rem);
  overflow: hidden;
  background: var(--blockquote-bg);
}
.ri-field-environment::before {
  position: absolute;
  inset: 1rem;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  content: "";
  pointer-events: none;
}
.ri-field-environment-header { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 2rem; margin-bottom: 1.75rem; }
.ri-field-environment-header h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 500; }
.ri-field-environment-header p { max-width: 260px; margin: .25rem 0 0; color: var(--text-muted); font-size: .8rem; }

.ri-field-fragments {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .5rem 1rem;
  margin: 0;
  padding: 1rem 0 2.5rem;
  list-style: none;
}
.ri-field-fragments li { color: var(--text-muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .67rem; letter-spacing: .03em; }
.ri-field-fragments li:nth-child(2),
.ri-field-fragments li:nth-child(7) { text-align: center; opacity: .62; }
.ri-field-fragments li:nth-child(4),
.ri-field-fragments li:nth-child(8) { text-align: right; opacity: .78; }
.ri-field-fragments li:nth-child(5) { padding-left: 1.25rem; opacity: .7; }

.ri-emergence { position: relative; z-index: 1; max-width: 690px; margin: 0 auto; }
.ri-base-collision { position: relative; max-width: 420px; margin: 0 auto 3.4rem; }
.ri-base-collision::after { position: absolute; bottom: -2.75rem; left: 50%; width: 1px; height: 2.1rem; background: var(--accent); content: ""; }
.ri-collision-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; margin-bottom: 1.25rem; }
.ri-collision-inputs span {
  position: relative;
  padding-bottom: .55rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: .65rem;
  text-align: center;
}
.ri-collision-inputs span::after { position: absolute; bottom: -1.05rem; width: 1px; height: 1rem; background: var(--border-color); content: ""; }
.ri-collision-inputs span:first-child::after { right: 0; transform: rotate(-42deg); transform-origin: top; }
.ri-collision-inputs span:last-child::after { left: 0; transform: rotate(42deg); transform-origin: top; }

.ri-base-phase { min-width: 0; }
.ri-base-phase h4 { margin: 0 0 .55rem; color: var(--fg); font-family: Georgia, "Times New Roman", serif; font-size: 1.3rem; font-weight: 500; line-height: 1.15; }
.ri-base-phase > p:last-child { margin: 0; color: var(--text-muted); font-size: .76rem; line-height: 1.5; }
.ri-base-collision > .ri-base-phase { width: 245px; margin: 0 auto; padding: 1rem 1.15rem; border: 1px solid var(--border-color); background: var(--bg); text-align: center; }
.ri-base-collision .ri-node-kind { color: var(--text-muted); }

.ri-active-label { margin: 0 0 1rem; color: var(--accent-light); font-size: .66rem; font-weight: 700; letter-spacing: .09em; text-align: center; text-transform: uppercase; }
.ri-base-active-path { display: grid; grid-template-columns: 1.2fr .9fr 1.1fr; align-items: stretch; }
.ri-base-active-path .ri-base-phase { position: relative; padding: 1.35rem 1.25rem 1.2rem; border-top: 1px solid var(--border-color); background: var(--bg); }
.ri-base-active-path .ri-base-phase:not(:last-child)::after { position: absolute; z-index: 2; top: 1.15rem; right: -.35rem; color: var(--accent); content: "→"; }
.ri-base-active-path .ri-base-phase--ding { border-top: 3px double var(--ri-ding); }
.ri-base-active-path .ri-base-phase--ding .ri-node-kind { color: var(--ri-ding); }
.ri-base-active-path .ri-base-phase--ding h4 { font-size: 1.65rem; }

.ri-base-return {
  display: grid;
  grid-template-columns: auto minmax(0, 310px);
  justify-content: end;
  gap: .7rem;
  margin: 1.4rem 0 0 auto;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-color);
}
.ri-base-return > span { color: var(--accent); }
.ri-base-return strong { color: var(--fg); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; }
.ri-base-return p { margin: .25rem 0 0; color: var(--text-muted); font-size: .72rem; line-height: 1.45; }

.ri-insight { margin: 0; padding: 1.4rem clamp(1rem, 3vw, 1.5rem); border-top: 1px solid var(--border-color); color: var(--fg); font-family: Georgia, "Times New Roman", serif; font-size: 1.08rem; line-height: 1.5; }
.ri-insight::before { color: var(--accent); content: "What this path showed: "; }
.ri-noscript { padding: 1rem; }

.ri-articles { padding: 0; }
.ri-article { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr); gap: 1rem clamp(1.5rem, 5vw, 3.5rem); padding: clamp(3.5rem, 8vw, 6rem) 0; border-bottom: 1px solid var(--border-color); }
.ri-article-number { margin: .55rem 0 0; }
.ri-article h2 { margin: 0 0 1.5rem; font-size: clamp(2.8rem, 7vw, 4.8rem); }
.ri-article p { max-width: 660px; }
.ri-pull { margin: 2rem 0 0 !important; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.25rem, 3vw, 1.55rem); line-height: 1.4; }
.ri-article blockquote { max-width: 600px; margin-left: 0; }

.ri-ending { padding: clamp(5rem, 10vw, 8rem) 0 2rem; border: 0; }
.ri-ending .ri-kicker { margin-bottom: 1.5rem; }
.ri-ending h2 { max-width: 620px; margin: 0 0 1.5rem; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.12; }
.ri-ending > p:not(.ri-kicker) { max-width: 610px; color: var(--text-muted); font-family: Georgia, "Times New Roman", serif; font-size: 1.25rem; }
.ri-ending nav { margin-top: 3.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border-color); }
.ri-ending nav a { color: var(--fg); font-size: .78rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.ri-ending nav span { color: var(--accent); }

@media (max-width: 650px) {
  .ri-hero { min-height: 0; }
  .ri-hero h1 { font-size: clamp(4rem, 20vw, 6rem); }
  .ri-section-heading, .ri-panel-intro { grid-template-columns: 1fr; }
  .ri-section-heading > p:last-child { max-width: 520px; }
  .ri-panel-intro { gap: 1rem; }
  .ri-field-environment-header { display: block; }
  .ri-field-environment-header p { margin-top: .5rem; }
  .ri-field-fragments { grid-template-columns: repeat(2, minmax(0, 1fr)); padding-bottom: 2rem; }
  .ri-field-fragments li:nth-child(even) { text-align: right; }
  .ri-collision-inputs { gap: 2rem; }
  .ri-base-active-path { display: block; padding-left: 1.25rem; }
  .ri-base-active-path .ri-base-phase { padding: 1.1rem 1rem 1.5rem; border-top: 0; border-left: 1px solid var(--border-color); }
  .ri-base-active-path .ri-base-phase:not(:last-child)::after { top: auto; right: auto; bottom: -.35rem; left: -.28rem; content: "↓"; }
  .ri-base-active-path .ri-base-phase--ding { border-left: 3px double var(--ri-ding); }
  .ri-base-return { margin-left: 1.25rem; }

  .ri-sequence {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .ri-node { min-height: 0; padding: 0 0 2.25rem 2.25rem; }
  .ri-node::before { top: .45rem; bottom: 0; left: .5rem; right: auto; width: 1px; height: auto; }
  .ri-node:last-child::before { bottom: auto; height: .55rem; }
  .ri-node:not(:last-child)::after { top: auto; right: auto; bottom: .55rem; left: .18rem; content: "↓"; }
  .ri-node-marker { top: 0; left: 0; }
  .ri-node--ding { border-top: 0; border-left: 3px double var(--ri-ding); padding-left: calc(2.25rem - 3px); }
  .ri-node--dormant::before { width: 1px; height: auto; background: repeating-linear-gradient(180deg, var(--text-muted) 0 4px, transparent 4px 9px); }
  .ri-node-text { font-size: .86rem; }
  .ri-scroll-hint, .ri-sequence-shell::after { display: none; }
  .ri-recursion, .ri-return-line { grid-template-columns: auto 1fr; }
  .ri-recursion > span:last-child, .ri-return-line > span:last-child { grid-column: 2; }
  .ri-article { grid-template-columns: 2rem minmax(0, 1fr); }
}

@media (max-width: 430px) {
  .ri-hero h1 { font-size: 3.8rem; }
  .ri-deck { font-size: 1.18rem; }
  .ri-field-environment { margin-right: 0; margin-left: 0; padding: 1.5rem 1rem; }
  .ri-field-environment::before { right: .5rem; left: .5rem; }
  .ri-base-collision > .ri-base-phase { width: min(245px, 100%); }
  .ri-article { display: block; }
  .ri-article-number { margin-bottom: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  .ri-tabs, .ri-sequence { scroll-behavior: auto; }
}