/* Paper overview page styles.
 * Ported from the approved prototype and scoped under .paper so they never leak
 * into the rest of the site. Colour tokens map onto al-folio's --global-* theme
 * variables so the site's dark-mode toggle works; the two extra accents are
 * lavender (interactive) and ochre (key terms and numbers).
 */

.paper {
  /* al-folio-mapped tokens */
  --bg: var(--global-bg-color);
  --text: var(--global-text-color);
  --text-light: var(--global-text-color-light);
  --divider: var(--global-divider-color);
  --card: var(--global-card-bg-color);

  /* paper accents — light theme.
   * --theme is the site's own accent (magenta in light, cyan in dark) so the page
   * matches the rest of elisabethkirsten.com and follows the dark-mode toggle.
   * The primary chart series (Llama in Fig 1, follow-up turns in Fig 3) reuse it. */
  --theme: var(--global-theme-color);
  --ochre: #8b5e0a;
  --ochre-tint: rgba(139, 94, 10, 0.08);
  --code-bg: var(--global-code-bg-color);
  --dot-off: #e3e3e8;
  --dot-ref: #b9b9c4;
  --dot-any: #8b5e0a;
  --dot-one: var(--global-theme-color);
  --l-access: #828282;
  --l-out: #3f9c8c;
  --l-turn: var(--global-theme-color);
  --l-latent: #8b5e0a;

  --font: inherit;
  --mono: "Roboto Mono", ui-monospace, Menlo, monospace;

  max-width: 930px;
  margin-inline: auto;
}

html[data-theme="dark"] .paper {
  /* --theme, --dot-one, --l-turn, --code-bg inherit the global vars, which flip automatically */
  --ochre: #d9a54a;
  --ochre-tint: rgba(217, 165, 74, 0.1);
  --dot-off: #2f2f33;
  --dot-ref: #5b5b63;
  --dot-any: #d9a54a;
  --l-access: #9a9a9a;
  --l-out: #6cc3b1;
  --l-latent: #d9a54a;
}

.paper,
.paper * {
  box-sizing: border-box;
}
.paper {
  color: var(--text);
  font-weight: 300;
  line-height: 1.5;
}
.paper h1,
.paper h2,
.paper h3,
.paper p {
  margin: 0;
}
.paper h1,
.paper h2,
.paper h3 {
  font-weight: 400;
  text-wrap: balance;
}
.paper b,
.paper strong {
  font-weight: 500;
}
.paper a {
  color: var(--theme);
  text-decoration: none;
}
.paper a:hover {
  text-decoration: underline;
}

/* Header */
.paper-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding-block: 28px 40px;
  border-bottom: 1px solid var(--divider);
}
.paper .venue-k {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ochre);
}
.paper .paper-title {
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  line-height: 1.15;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.paper .authors {
  font-size: 0.95rem;
}
.paper .authors a {
  color: var(--text);
}
.paper .affil {
  font-size: 0.85rem;
  color: var(--text-light);
}
.paper .links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 6px;
}
.paper .btn {
  display: inline-block;
  font: 400 0.73rem/1 var(--font);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--text);
  border-radius: 0.125rem;
  color: var(--text);
}
.paper .btn:hover {
  color: var(--theme);
  border-color: var(--theme);
  text-decoration: none;
}

/* Sections */
.paper section {
  padding-block: 44px;
  border-bottom: 1px solid var(--divider);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.paper section:last-of-type,
.paper section.no-divider {
  border-bottom: 0;
}
.paper section.no-divider {
  padding-bottom: 8px;
}
.paper .kicker {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
}
.paper h2 {
  font-size: clamp(1.45rem, 2.6vw, 1.85rem);
  line-height: 1.25;
}
.paper h2 .q {
  color: var(--ochre);
}
.paper .prose {
  max-width: none;
  font-size: 1.05rem;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.paper .term {
  color: var(--ochre);
  font-weight: 500;
}

/* Figure shell */
.paper .figure {
  border: 1px solid var(--divider);
  border-radius: 4px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--card);
}
.paper .figtop {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  align-items: baseline;
}
.paper .figlabel {
  font-size: 0.85rem;
  font-weight: 500;
}
.paper .setup {
  font-size: 0.88rem;
  color: var(--text-light);
}
.paper .setup i {
  color: var(--text);
}

/* Segmented control */
.paper .seg {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--divider);
  border-radius: 3px;
  width: fit-content;
  max-width: 100%;
}
.paper .seg button {
  border: 0;
  border-right: 1px solid var(--divider);
  background: transparent;
  color: var(--text);
  font: 400 0.85rem var(--font);
  padding: 7px 12px;
  cursor: pointer;
}
.paper .seg button:last-child {
  border-right: 0;
}
.paper .seg button[aria-pressed="true"] {
  background: var(--theme);
  color: var(--bg);
}
.paper button:focus-visible,
.paper .btn:focus-visible,
.paper summary:focus-visible {
  outline: 2px solid var(--theme);
  outline-offset: 2px;
}

/* Figure 1 */
.paper .readout {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.paper .readout .big {
  font-size: 2rem;
  font-weight: 400;
  color: var(--ochre);
  font-variant-numeric: tabular-nums;
}
.paper .caption {
  font-size: 0.85rem;
  color: var(--text-light);
}
.paper #space {
  width: 100%;
  height: auto;
  display: block;
}
.paper .legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-light);
}
.paper .legend i {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  margin-right: 5px;
  vertical-align: 0;
}

/* Insight callout */
.paper .insight {
  max-width: 46rem;
  text-wrap: balance;
  margin: 8px auto 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 1.15rem;
  line-height: 1.55;
}
.paper .insight p {
  color: var(--text);
}
.paper .punch {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text);
}

/* Figure 2: group vs epistemic */
.paper .vs {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
}
.paper .vs-col {
  padding: 4px 2px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.paper .vs-col p {
  font-size: 0.92rem;
  color: var(--text-light);
}
.paper .vs-col .k {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--ochre);
}
.paper .vs-col h3 {
  font-size: 1.1rem;
}
.paper .vs-mid {
  display: flex;
  align-items: center;
  font-size: 2rem;
  color: var(--ochre);
}
.paper .gp {
  display: grid;
  grid-template-columns: auto repeat(4, minmax(0, 1fr));
  gap: 6px;
  max-width: 380px;
  margin-inline: auto;
  width: 100%;
}
.paper .gp .gh {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-light);
  padding-right: 6px;
}
.paper .gp .pc {
  aspect-ratio: 2;
  max-width: 100%;
  border: 1px solid var(--divider);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  color: var(--text-light);
  background: var(--bg);
  transition: background 0.25s, color 0.25s;
}
.paper .gp .pc.on {
  background: var(--ochre);
  border-color: var(--ochre);
  color: var(--bg);
  font-weight: 500;
}
.paper .gp-say {
  text-align: center;
  font-size: 0.95rem;
  max-width: 60ch;
  margin-inline: auto;
}

/* Figure 3: curves */
.paper #curves {
  width: 100%;
  height: auto;
  display: block;
}
.paper #curves text {
  font-family: var(--font);
}
.paper .pdef {
  font-size: 0.95rem;
  border-left: 2px solid var(--theme);
  padding-left: 12px;
  min-height: 2.6em;
}

/* Framework typology */
.paper .quad {
  display: grid;
  grid-template-columns: max-content repeat(2, minmax(0, 1fr));
  gap: 8px;
  align-items: stretch;
}
.paper .quad .ax {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
  display: flex;
  align-items: center;
  font-weight: 500;
}
.paper .quad .colh {
  text-align: left;
  padding-left: 2px;
}
.paper .quad .ax.row {
  padding-right: 8px;
  white-space: nowrap;
}
.paper .quad .cell {
  border: 1px solid var(--divider);
  border-radius: 4px;
  padding: 12px;
  background: var(--card);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.paper .quad .cell strong {
  font-weight: 400;
  font-style: italic;
}
.paper .quad .cell span {
  font-size: 0.85rem;
  color: var(--text-light);
}
.paper .quad .cell.case {
  border-color: var(--ochre);
  background: var(--ochre-tint);
}
/* "Case study" chip. Named .case-tag (not .badge) to avoid Bootstrap's .badge. */
.paper .case-tag {
  display: inline-block;
  align-self: flex-start;
  margin-top: 6px;
  padding: 2px 9px;
  font: 600 0.68rem/1.5 var(--font);
  font-style: normal;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--ochre);
  border-radius: 999px;
  background: var(--card);
  color: #4a3206; /* dark brown — legible on the light tinted cell */
}
html[data-theme="dark"] .paper .case-tag {
  color: #ffffff; /* white reads well in dark mode */
}
.paper .walk-intro {
  font-size: 0.95rem;
  color: var(--text-light);
}

/* Framework story steps */
.paper ol.story {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: none;
}
.paper ol.story li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  position: relative;
  padding-bottom: 22px;
}
.paper ol.story li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 15px;
  top: 34px;
  bottom: 0;
  border-left: 2px solid var(--divider);
}
.paper ol.story .n {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--theme);
  color: var(--theme);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  background: var(--bg);
}
.paper ol.story h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.paper ol.story p {
  font-size: 1rem;
}

/* Findings cards */
.paper .findings {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.paper .finding {
  border: 1px solid var(--divider);
  border-radius: 4px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--card);
}
.paper .finding .k {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
  font-weight: 500;
}
.paper .finding h3 {
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.3;
}
.paper .finding p {
  font-size: 0.92rem;
}

/* Implications + FAQ */
.paper ul.impl {
  margin: 0;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: none;
  font-size: 1.02rem;
}
.paper .faq details {
  border-bottom: 1px solid var(--divider);
  padding-block: 12px;
}
.paper .faq details:first-of-type {
  border-top: 1px solid var(--divider);
}
.paper .faq summary {
  cursor: pointer;
  font-weight: 400;
}
.paper .faq details p {
  margin-top: 8px;
  max-width: none;
  color: var(--text);
  font-size: 0.95rem;
}

/* Cite */
.paper .citebox {
  position: relative;
}
.paper pre {
  background: var(--code-bg);
  border-radius: 4px;
  padding: 14px;
  font: 0.8rem/1.55 var(--mono);
  overflow-x: auto;
  margin: 0;
  color: var(--text);
}
.paper .copy {
  position: absolute;
  top: 8px;
  right: 8px;
}
.paper .copy.btn {
  background: var(--bg);
  cursor: pointer;
}

/* Responsive */
@media (max-width: 760px) {
  .paper .findings,
  .paper .vs {
    grid-template-columns: 1fr;
  }
  .paper .quad {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .paper .quad .ax.row,
  .paper .quad .corner {
    display: none;
  }
}
@media (max-width: 600px) {
  .paper .vs {
    grid-template-columns: 1fr;
  }
  .paper .vs-mid {
    justify-content: center;
    font-size: 1.5rem;
  }
}
@media (max-width: 440px) {
  .paper .quad {
    grid-template-columns: 1fr;
  }
  .paper .quad .colh {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .paper * {
    transition: none !important;
  }
}