/* Author pages share the Rikka palette; the framed portrait belongs to About. */
#page-header .rikka-me-link { display: inline-flex; align-items: center; min-height: 44px; margin-top: 8px; color: var(--rk-accent); font-size: 14px; }
#page-header .rikka-me-link:hover { text-decoration: underline; text-underline-offset: 5px; }
#page-header .rikka-hero #site-title > span { display: block; }
#page-header .rikka-hero-actions { flex-wrap: wrap; }
body.rp-on-cover #rightside { visibility: hidden; opacity: 0; pointer-events: none; }
.rikka-featured { margin-bottom: 28px; padding: 28px 32px 0; border-radius: 12px; background: var(--rk-surface); color: var(--rk-ink); }
.rf-scene { position: relative; display: block; margin: -28px -32px 28px; overflow: hidden; border-radius: 12px 12px 0 0; }
.rf-scene img { display: block; width: 100%; height: clamp(220px, 24vw, 300px); object-fit: cover; object-position: center 46%; }
.rf-scene > span { position: absolute; inset: auto 0 0; padding: 48px 32px 20px; color: #fff; background: linear-gradient(transparent, oklch(16% 0 0 / .9)); font-size: 15px; }
.rf-scene b { margin-left: 12px; font-weight: 400; }
.rf-scene:focus-visible { outline: 3px solid var(--rk-accent); outline-offset: 4px; }
.rf-heading, .rf-latest { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.rikka-featured h2 { margin: 0; font-size: 23px; font-weight: 650; line-height: 1.5; color: inherit; }
.rf-heading p { margin: 8px 0 0; color: var(--rk-muted); font-size: 14px; line-height: 1.8; }
.rikka-featured a { color: var(--rk-accent); }
.rf-heading > a, .rf-latest a { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; white-space: nowrap; }
.rf-links { margin-top: 20px; }
.rf-link { display: grid; grid-template-columns: 72px minmax(0, 1fr) 24px; align-items: center; gap: 18px; padding: 22px 0; border-top: 1px solid color-mix(in srgb, var(--rk-muted) 22%, transparent); }
.rf-topic { color: var(--rk-muted); font-size: 13px; }
.rf-copy { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.rf-copy strong { font-size: 17px; line-height: 1.65; font-weight: 600; color: var(--rk-ink); }
.rf-copy > span { font-size: 13px; line-height: 1.8; color: var(--rk-muted); }
.rf-arrow { transition: transform 180ms ease-out; }
.rf-link:hover .rf-arrow { transform: translate(2px, -2px); }
.rf-link:hover strong { color: var(--rk-accent); }
.rf-latest { padding: 24px 0; border-top: 1px solid color-mix(in srgb, var(--rk-muted) 22%, transparent); }
.rf-latest h2 { font-size: 19px; }
body:has(.rikka-profile) #content-inner { max-width: 1160px; padding: 48px 32px 64px; }
body:has(.rikka-profile) #page { padding: 0; background: transparent !important; box-shadow: none !important; border: 0; }
body:has(.rikka-profile) .page-title { display: none; }
#article-container .rikka-profile { padding: clamp(24px, 4.5vw, 64px); border-radius: 12px; background: var(--rk-surface); color: var(--rk-ink); font: 16px/1.85 -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif; overflow-wrap: anywhere; }
#article-container .rikka-profile :is(h1,h2,h3,p,figure,dl) { margin: 0; padding: 0; color: inherit; }
#article-container .rikka-profile :is(h1,h2,h3)::before { display: none; }
#article-container .rikka-profile :is(h1,h2,h3) { text-wrap: balance; }
#article-container .rikka-profile a { color: var(--rk-accent); text-decoration: none; }
#article-container .rikka-profile a:hover { text-decoration: underline; text-underline-offset: 5px; }
.yp-hero { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(32px, 5vw, 72px); align-items: center; padding-bottom: 56px; }
#article-container .yp-label { display: flex; align-items: center; gap: 12px; color: var(--rk-accent); font-size: 14px; margin-bottom: 22px; }
#article-container .yp-intro h1 { font-size: clamp(30px, 3.2vw, 44px); line-height: 1.45; letter-spacing: -.025em; margin-bottom: 24px; }
#article-container .yp-intro p:not(.yp-label) { max-width: 40em; margin-bottom: 16px; color: var(--rk-muted); }
#article-container .yp-intro .yp-lead { color: var(--rk-ink); font-size: 19px; line-height: 1.8; }
.yp-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 26px; }
#article-container .yp-actions a { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 48px; padding: 8px 0; font-size: 15px; }
#article-container .yp-actions .yp-primary { background: var(--rk-accent); color: var(--rk-on-accent); padding: 10px 20px; border-radius: 6px; text-decoration: none; }
#article-container .yp-actions .yp-primary:hover { background: var(--rk-ink); }
#article-container .yp-actions a span { transition: transform 180ms ease-out; }
#article-container .yp-actions a:hover span { transform: translate(2px, -2px); }
#article-container .yp-portrait { width: 320px; overflow: hidden; border-radius: 10px; background: #45373f; }
.yp-photo { padding-top: 20px; }
#article-container .yp-photo img { display: block; margin: 0; width: 100%; height: auto; max-width: none; border-radius: 0; filter: none !important; }
#article-container .yp-portrait figcaption { padding: 12px 20px; border-top: 1px solid #ffffff20; color: #f2e8dc; font-size: 13px; letter-spacing: .02em; }
.yp-section { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 32px; padding: 36px 0; border-top: 1px solid color-mix(in srgb, var(--rk-muted) 24%, transparent); scroll-margin-top: 90px; }
.yp-section:last-child { padding-bottom: 0; }
#article-container .yp-section h2 { font-size: 23px; line-height: 1.6; }
#article-container .yp-section p { max-width: 65ch; margin-bottom: 18px; color: var(--rk-muted); }
.yp-skills > div { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 20px; padding: 12px 0; }
.yp-skills dt { font-weight: 600; font-size: 14px; }
.yp-skills dd { margin: 0; font-size: 14px; color: var(--rk-muted); }
#article-container .yp-text-link { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; }
.yp-memory { display: flex; align-items: center; gap: 22px; padding: 10px 0 20px; }
#article-container .yp-memory img { width: 136px; height: 104px; margin: 0; border-radius: 6px; object-fit: cover; }
.yp-memory > span { display: flex; flex-direction: column; gap: 8px; }
.yp-memory strong { font-weight: 600; font-size: 16px; color: var(--rk-ink); }
.yp-memory span > span { font-size: 14px; color: var(--rk-muted); }
.yp-memory b { margin-left: auto; font-weight: 400; }
.yp-contact-links { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 24px; }
.yp-contact-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; }
#article-container .yp-project-intro { padding: 16px 0 36px; }
#article-container .yp-project-intro h1 { font-size: clamp(32px, 4vw, 46px); line-height: 1.4; margin-bottom: 16px; }
#article-container .yp-project-intro p { color: var(--rk-muted); margin-bottom: 20px; }
.yp-project { padding: 36px 0; border-top: 1px solid color-mix(in srgb, var(--rk-muted) 24%, transparent); }
.yp-project-heading { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; margin-bottom: 18px; }
#article-container .yp-project h2 { font-size: clamp(22px, 2.4vw, 28px); line-height: 1.5; }
.yp-project-heading > span { font-size: 13px; color: var(--rk-muted); white-space: nowrap; }
#article-container .yp-project > p { color: var(--rk-muted); max-width: 65ch; margin-bottom: 16px; }
.yp-project .yp-contact-links { margin-top: 14px; }
/* AI practice keeps experience, personal principles, and learning distinct. */
.yp-projects :is(.yp-project, .yp-ai-thinking) { scroll-margin-top: 90px; }
#article-container .yp-projects p { text-wrap: pretty; }
#article-container .yp-project-intro > p { max-width: 65ch; }
#article-container .yp-project-intro .yp-ai-lead { color: var(--rk-ink); font-size: clamp(21px, 2.6vw, 27px); line-height: 1.6; margin-bottom: 14px; }
#article-container .yp-ai-lead strong { color: var(--rk-accent); font-weight: 650; }
.yp-work-nav { margin-top: 22px; gap: 4px 28px; }
#article-container .yp-work-nav a { color: var(--rk-muted); }
#article-container .yp-work-nav a:hover { color: var(--rk-accent); }
.yp-practice-topic { display: grid; grid-template-columns: minmax(170px, .8fr) minmax(0, 2fr); gap: 20px 32px; padding-top: 28px; }
.yp-practice-topic + .yp-practice-topic { margin-top: 28px; border-top: 1px solid color-mix(in srgb, var(--rk-muted) 18%, transparent); }
#article-container .yp-practice-topic h3 { font-size: 19px; line-height: 1.7; }
#article-container .yp-practice-topic p { max-width: 65ch; color: var(--rk-muted); }
#article-container .yp-practice-topic .yp-topic-focus { font-size: 14px; color: var(--rk-accent); margin-top: 14px; }
#article-container .yp-practice-topic .yp-skills { margin-top: 14px; }
.yp-practice-topic .yp-skills > div { grid-template-columns: 100px minmax(0, 1fr); gap: 12px; }
.yp-ai-thinking { margin: 12px 0 40px; padding: clamp(24px, 3.2vw, 40px); border-radius: 10px; background: color-mix(in srgb, var(--rk-accent) 8%, var(--rk-surface)); }
#article-container .yp-ai-thinking h2 { font-size: clamp(23px, 2.8vw, 30px); line-height: 1.5; margin-bottom: 20px; }
#article-container .yp-ai-thinking p { max-width: 65ch; color: var(--rk-muted); margin-bottom: 16px; }
#article-container .yp-ai-thinking .yp-thinking-lead { color: var(--rk-ink); font-size: 19px; font-weight: 600; }
#article-container .yp-ai-thinking p:last-child { margin-bottom: 0; }
.yp-learning-list > div { padding: 18px 0; border-top: 1px solid color-mix(in srgb, var(--rk-muted) 18%, transparent); }
.yp-learning-list > div:last-child { padding-bottom: 0; }
.yp-learning-list dt { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 16px; font-weight: 600; }
.yp-learning-list dt span { color: var(--rk-accent); font-size: 13px; font-weight: 400; }
.yp-learning-list dd { margin: 8px 0 0; color: var(--rk-muted); font-size: 14px; }
#article-container .rikka-profile .rikka-contact img { max-width: 100%; margin: 12px 0; }
:is(.rikka-profile, .rikka-featured) :is(a,summary):focus-visible, .rikka-me-link:focus-visible { outline: 2px solid var(--rk-accent); outline-offset: 5px; }
[data-theme='dark'] #article-container .yp-actions .yp-primary { background: var(--rk-accent); color: var(--rk-on-accent); }
@media (max-width: 1000px) {
  .yp-hero { grid-template-columns: minmax(0, 1fr) 260px; gap: 32px; }
  #article-container .yp-portrait { width: 260px; }
  .yp-section { grid-template-columns: 130px minmax(0, 1fr); gap: 24px; }
}
@media (max-width: 800px) {
  .rikka-featured { padding: 24px 22px 0; }
  .rf-heading { align-items: flex-start; flex-direction: column; gap: 6px; }
  .rf-scene { margin: -24px -22px 24px; }
  .rf-scene > span { padding-inline: 22px; font-size: 14px; }
  .rf-link { grid-template-columns: minmax(0, 1fr) 20px; gap: 6px 12px; padding: 20px 0; }
  .rf-topic { grid-column: 1; font-size: 12px; }
  .rf-copy { grid-column: 1; }
  .rf-arrow { grid-column: 2; grid-row: 1 / 3; }
  .rf-copy strong { font-size: 16px; }
  #page-header .rikka-me-link { margin-top: 14px; }
}
@media (max-width: 700px) {
  body:has(.rikka-profile) #content-inner { padding: 28px 16px 40px; }
  #article-container .rikka-profile { padding: 28px 24px; }
  .yp-hero { grid-template-columns: minmax(0, 1fr); gap: 28px; padding-bottom: 36px; }
  #article-container .yp-intro h1 { font-size: clamp(27px, 7vw, 36px); margin-bottom: 20px; }
  #article-container .yp-intro .yp-lead { font-size: 18px; }
  #article-container .yp-label { margin-bottom: 18px; }
  #article-container .yp-portrait { width: min(100%, 340px); justify-self: center; }
  .yp-section { grid-template-columns: minmax(0, 1fr); gap: 16px; padding: 28px 0; }
  #article-container .yp-section h2 { font-size: 22px; }
  .yp-skills > div { grid-template-columns: minmax(0, 1fr); gap: 4px; padding: 10px 0; }
  .yp-memory { gap: 14px; align-items: flex-start; }
  #article-container .yp-memory img { width: 80px; height: 86px; }
  .yp-memory b { display: none; }
  .yp-project-heading { flex-direction: column; gap: 6px; }
  .yp-practice-topic { grid-template-columns: minmax(0, 1fr); gap: 12px; padding-top: 20px; }
  .yp-practice-topic .yp-skills > div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .yp-work-nav { gap: 4px 20px; }
  .yp-ai-thinking { padding: 24px 20px; margin-bottom: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  .rikka-profile *, .rikka-featured * { animation: none !important; transition: none !important; }
  .rf-link:hover .rf-arrow, #article-container .yp-actions a:hover span { transform: none; }
}
/* Growth timeline: one rail, term labels on the left, no images. */
.yp-growth { --yp-rail: color-mix(in srgb, var(--rk-muted) 26%, transparent); }
.yp-growth-head { padding: 18px 0 44px; }
#article-container .yp-growth-head h1 { font-size: clamp(30px, 3.2vw, 42px); line-height: 1.45; letter-spacing: -.02em; margin-bottom: 16px; }
#article-container .yp-growth-head p { max-width: 58ch; color: var(--rk-muted); }
.yp-growth-legend { display: flex; gap: 8px; margin-top: 20px; }
.yp-growth-legend span { padding: 0 8px; border: 1px solid color-mix(in srgb, var(--rk-muted) 34%, transparent); border-radius: 4px; font-size: 12px; line-height: 22px; color: var(--rk-muted); }
#article-container .rikka-profile .yp-timeline { margin: 0; padding: 0; list-style: none; }
#article-container .rikka-profile .yp-node { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 0 26px; padding: 0; }
#article-container .rikka-profile .yp-node-date { margin: 0; padding-top: 4px; color: var(--rk-muted); font-size: 12px; line-height: 1.7; font-variant-numeric: tabular-nums; }
#article-container .rikka-profile .yp-node-tag { display: inline-block; margin: 6px 0 0; padding: 0 6px; border: 1px solid color-mix(in srgb, var(--rk-muted) 30%, transparent); border-radius: 4px; color: var(--rk-muted); font-size: 11px; line-height: 19px; }
#article-container .rikka-profile .yp-node-body { position: relative; padding: 0 0 32px 24px; border-left: 1px solid var(--yp-rail); }
#article-container .rikka-profile .yp-node-body::before { content: ""; position: absolute; top: 7px; left: -4.5px; width: 7px; height: 7px; border: 1.5px solid color-mix(in srgb, var(--rk-muted) 70%, transparent); border-radius: 50%; background: var(--rk-surface); }
#article-container .rikka-profile .yp-node:last-child .yp-node-body { padding-bottom: 0; border-left-color: transparent; }
#article-container .rikka-profile .yp-node:last-child .yp-node-body::before { background: var(--rk-muted); border-color: var(--rk-muted); }
#article-container .rikka-profile .yp-node-title { margin: 0 0 8px; padding: 0; color: var(--rk-ink); font-size: 17px; line-height: 1.65; font-weight: 600; }
#article-container .rikka-profile .yp-node-body p { max-width: 60ch; margin: 0 0 8px; padding: 0; color: var(--rk-muted); font-size: 15px; line-height: 1.85; }
#article-container .rikka-profile .yp-node-body p:last-child { margin-bottom: 0; }
#article-container .rikka-profile .yp-growth-foot { margin: 44px 0 0; padding: 20px 0 0; border-top: 1px solid color-mix(in srgb, var(--rk-muted) 24%, transparent); color: var(--rk-muted); font-size: 13px; }
@media (max-width: 700px) {
  #article-container .rikka-profile .yp-node { grid-template-columns: 62px minmax(0, 1fr); gap: 0 16px; }
  #article-container .rikka-profile .yp-node-date { font-size: 11px; }
  #article-container .rikka-profile .yp-node-title { font-size: 16px; }
  #article-container .rikka-profile .yp-node-body { padding-left: 18px; }
  #article-container .rikka-profile .yp-node-body p { font-size: 14px; }
}