/* CTS-23: every selector stays inside the yxg-23 observation shell. */
.yxg23-observatory {
  --obs23-ink: #f5f0e6;
  --obs23-paper: #0a1720;
  --obs23-deep: #071016;
  --obs23-teal: #72b9a8;
  --obs23-teal-dim: #2b756a;
  --obs23-apricot: #ffaf73;
  --obs23-fog: #aeb9b5;
  --obs23-rule: rgba(217, 239, 229, .19);
  --obs23-panel: rgba(15, 35, 42, .78);
  --obs23-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  color: var(--obs23-ink);
  background: var(--obs23-deep);
  font-family: Inter, Avenir Next, Avenir, "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.78;
  margin: 0;
}
.yxg23-observatory *, .yxg23-observatory *::before, .yxg23-observatory *::after { box-sizing: border-box; }
.yxg23-observatory ::selection { background: var(--obs23-apricot); color: var(--obs23-deep); }
.yxg23-observatory a { color: inherit; text-underline-offset: .2em; }
.yxg23-observatory a:focus-visible, .yxg23-observatory summary:focus-visible { outline: 3px solid var(--obs23-apricot); outline-offset: 4px; }
.yxg23-observatory img { display: block; max-width: 100%; }
.yxg23-observatory h1, .yxg23-observatory h2, .yxg23-observatory h3, .yxg23-observatory p { margin-top: 0; }
.yxg23-observatory h1, .yxg23-observatory h2, .yxg23-observatory h3 { line-height: 1.19; letter-spacing: -.035em; }
.yxg23-observatory h1 { font-size: clamp(2.6rem, 6vw, 5.8rem); max-width: 10ch; margin-bottom: 1rem; }
.yxg23-observatory h2 { font-size: clamp(1.65rem, 3vw, 2.65rem); margin-bottom: 1.15rem; }
.yxg23-observatory h3 { font-size: clamp(1.15rem, 2vw, 1.42rem); margin: 2.25rem 0 .7rem; }
.yxg23-observatory p, .yxg23-observatory li { font-size: 1.02rem; }
.yxg23-observatory strong { color: #fff8ec; }

.map23-skip { background: var(--obs23-apricot); color: #18252a; font-weight: 800; left: 1rem; padding: .6rem .85rem; position: fixed; top: -4rem; z-index: 20; }
.map23-skip:focus { top: 1rem; }
.map23-orbit { background: radial-gradient(circle at 80% 3%, rgba(99, 174, 159, .14), transparent 27rem), linear-gradient(120deg, #0b1b25 0%, var(--obs23-deep) 47%, #101b1c 100%); min-height: 100vh; overflow: hidden; }
.map23-orbit::before { background-image: linear-gradient(rgba(255,255,255,.032) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.032) 1px, transparent 1px); background-size: 36px 36px; content: ""; inset: 0; mask-image: linear-gradient(to bottom, #000, transparent 80%); pointer-events: none; position: absolute; }
.map23-bearing, .map23-field, .map23-logbook { position: relative; z-index: 1; }
.axis23-horizon { align-items: center; border-bottom: 1px solid var(--obs23-rule); display: flex; justify-content: space-between; margin: 0 auto; max-width: 1440px; min-height: 94px; padding: 1rem clamp(1.25rem, 4vw, 4rem); }
.map23-mark { align-items: center; display: inline-flex; font-size: .95rem; font-weight: 800; gap: .8rem; letter-spacing: .02em; text-decoration: none; }
.map23-mark img { border: 1px solid var(--obs23-teal); border-radius: 50%; filter: saturate(.8) contrast(1.05); height: 46px; object-fit: contain; padding: 3px; width: 46px; }
.map23-mark small { color: var(--obs23-teal); display: block; font-family: var(--obs23-mono); font-size: .62rem; letter-spacing: .11em; margin-top: -.2rem; }
.map23-waypoints, .map23-logbook nav { display: flex; gap: clamp(.55rem, 1.6vw, 1.8rem); }
.map23-waypoints a, .map23-logbook nav a { color: var(--obs23-fog); font-size: .78rem; font-weight: 700; position: relative; text-decoration: none; transition: color .2s ease; }
.map23-waypoints a i, .map23-logbook nav i { color: var(--obs23-apricot); font-family: var(--obs23-mono); font-size: .61rem; font-style: normal; margin-right: .25rem; }
.map23-waypoints a[aria-current="page"], .map23-waypoints a:hover, .map23-logbook nav a:hover { color: var(--obs23-ink); }
.map23-waypoints a::after { background: var(--obs23-apricot); bottom: -.45rem; content: ""; height: 2px; left: 0; position: absolute; transform: scaleX(0); transform-origin: left; transition: transform .25s ease; width: 100%; }
.map23-waypoints a:hover::after, .map23-waypoints a[aria-current="page"]::after { transform: scaleX(1); }

.map23-signal { display: grid; gap: clamp(2rem, 5vw, 6rem); grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr); margin: 0 auto; max-width: 1440px; min-height: min(720px, calc(100vh - 94px)); padding: clamp(3.5rem, 7vw, 8rem) clamp(1.25rem, 7vw, 8rem) clamp(3.5rem, 7vw, 6rem); }
.axis23-signalcopy { align-self: center; animation: map23-rise .7s both ease-out; }
.map23-kicker, .map23-abstract > p, .map23-gallerycopy > p { color: var(--obs23-teal); font-family: var(--obs23-mono); font-size: .72rem; font-weight: 700; letter-spacing: .14em; }
.map23-kicker i { background: var(--obs23-apricot); border-radius: 50%; display: inline-block; height: .35rem; margin: 0 .5rem; width: .35rem; }
.map23-deck { color: #c9d2cb; font-size: clamp(1.08rem, 1.6vw, 1.3rem) !important; max-width: 38rem; }
.map23-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin: 2rem 0 1.25rem; }
.map23-action { align-items: center; border: 1px solid var(--obs23-teal); display: inline-flex; font-size: .88rem; font-weight: 800; gap: 1.25rem; justify-content: space-between; min-width: 11.6rem; padding: .72rem .85rem .72rem 1rem; text-decoration: none; transition: background .23s ease, color .23s ease, transform .23s ease; }
.map23-action b { font-family: var(--obs23-mono); font-size: 1.2rem; font-weight: 500; transition: transform .23s ease; }
.map23-action:hover { background: var(--obs23-teal); color: #06201e; transform: translateY(-3px); }
.map23-action:hover b { transform: translate(3px, -3px); }
.map23-action_sig_telegram { border-color: rgba(255, 175, 115, .72); color: var(--obs23-apricot); }
.map23-action_sig_telegram:hover { background: var(--obs23-apricot); color: #23150d; }
.map23-disclosure { color: var(--obs23-fog); font-size: .76rem !important; max-width: 48rem; }
.datum23-nowcast { align-self: center; animation: map23-rise .7s .13s both ease-out; margin: 0; }
.datum23-photo { border: 1px solid var(--obs23-rule); margin: 0; overflow: hidden; position: relative; }
.datum23-photo::after { background: linear-gradient(105deg, transparent 22%, rgba(203,255,237,.19) 46%, transparent 66%); content: ""; inset: 0; pointer-events: none; position: absolute; transform: translateX(-130%); transition: transform .9s ease; }
.datum23-nowcast:hover .datum23-photo::after { transform: translateX(130%); }
.datum23-photo img { aspect-ratio: 4 / 3; filter: brightness(.74) saturate(.76); max-height: 460px; object-fit: cover; transition: filter .5s ease, transform .7s cubic-bezier(.2,.8,.2,1); width: 100%; }
.datum23-nowcast:hover img { filter: brightness(.9) saturate(1); transform: scale(1.035); }
.datum23-photo figcaption { background: rgba(4, 15, 19, .82); bottom: 0; display: flex; font-family: var(--obs23-mono); font-size: .6rem; justify-content: space-between; left: 0; letter-spacing: .08em; padding: .75rem .85rem; position: absolute; right: 0; z-index: 1; }
.datum23-readout { background: var(--obs23-panel); border: 1px solid var(--obs23-rule); border-top: 0; padding: 1rem 1.1rem; }
.datum23-readout span { color: var(--obs23-fog); display: block; font-family: var(--obs23-mono); font-size: .65rem; letter-spacing: .1em; }
.datum23-readout strong { display: inline-block; font-size: 1.2rem; letter-spacing: -.04em; margin: .25rem 0 .6rem; }
.datum23-readout i { background: rgba(125, 195, 175, .2); display: block; height: 3px; overflow: hidden; }
.datum23-readout b { animation: datum23-read 1.4s .5s both ease-out; background: var(--obs23-teal); display: block; height: 100%; transform-origin: left; width: 77%; }

.axis23-survey { border-top: 1px solid var(--obs23-rule); display: grid; grid-template-columns: minmax(185px, .32fr) minmax(0, 1fr); margin: 0 auto; max-width: 1440px; padding: 0 clamp(1.25rem, 7vw, 8rem); }
.map23-coordinates { align-self: start; border-right: 1px solid var(--obs23-rule); display: grid; padding: 4rem 2rem 3rem 0; position: sticky; top: 0; }
.map23-coordinates > p { color: var(--obs23-fog); font-family: var(--obs23-mono); font-size: .62rem; letter-spacing: .13em; margin-bottom: 1rem; }
.map23-coordinates a { align-items: baseline; border-top: 1px solid rgba(217, 239, 229, .09); color: var(--obs23-fog); display: flex; font-size: .8rem; gap: .65rem; padding: .65rem .2rem; text-decoration: none; transition: color .2s ease, padding-left .2s ease; }
.map23-coordinates a i { color: var(--obs23-apricot); font-family: var(--obs23-mono); font-size: .61rem; font-style: normal; }
.map23-coordinates a:hover { color: var(--obs23-ink); padding-left: .45rem; }
.map23-report { max-width: 820px; padding: clamp(3rem, 6vw, 6rem) 0 clamp(4rem, 7vw, 7rem) clamp(1.5rem, 5vw, 6rem); }
.map23-abstract { border-bottom: 1px solid var(--obs23-rule); margin-bottom: 2.7rem; padding-bottom: 1.8rem; }
.map23-abstract h2 { font-size: clamp(1.65rem, 3vw, 2.3rem); margin-bottom: .45rem; max-width: 13ch; }
.map23-abstract > span { color: var(--obs23-fog); font-family: var(--obs23-mono); font-size: .68rem; }
.map23-observation { border-bottom: 1px solid var(--obs23-rule); display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: 1.15rem; padding: 2.7rem 0; scroll-margin-top: 1rem; }
.map23-indexmark { color: var(--obs23-apricot); font-family: var(--obs23-mono); font-size: .68rem; padding-top: .34rem; }
.map23-reading > p { color: #d0d8d3; max-width: 62ch; }
.map23-reading > p a { color: var(--obs23-teal); font-weight: 700; text-decoration-color: rgba(114,185,168,.43); }
.map23-reading > p a:hover { color: var(--obs23-apricot); }
html[data-y23-motion="ready"] .map23-observation,
html[data-y23-motion="ready"] .map23-gallery { opacity: .32; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
html[data-y23-motion="ready"] .map23-observation[data-y23-seen="true"],
html[data-y23-motion="ready"] .map23-gallery[data-y23-seen="true"] { opacity: 1; transform: translateY(0); }
.map23-points { display: grid; gap: .6rem; list-style: none; margin: 1.4rem 0; padding: 0; }
.map23-points li { background: linear-gradient(90deg, rgba(114,185,168,.1), transparent); border-left: 2px solid var(--obs23-teal-dim); padding: .6rem .7rem .6rem 1rem; transition: border-color .2s ease, transform .2s ease; }
.map23-points li:hover { border-color: var(--obs23-apricot); transform: translateX(4px); }
.map23-rule { border: 0; border-top: 1px dashed var(--obs23-teal-dim); margin: 2rem 0; }
.map23-observation_sig_queries { background: linear-gradient(90deg, rgba(114,185,168,.065), transparent); margin-left: -1.15rem; padding-left: 1.15rem; padding-right: .7rem; }
.map23-query { border-top: 1px solid rgba(217,239,229,.14); }
.map23-query:last-child { border-bottom: 1px solid rgba(217,239,229,.14); }
.map23-query summary { align-items: center; cursor: pointer; display: flex; font-size: 1.04rem; font-weight: 800; gap: .8rem; list-style: none; padding: 1rem 0; }
.map23-query summary::-webkit-details-marker { display: none; }
.map23-query summary::before { color: var(--obs23-apricot); content: "+"; font-family: var(--obs23-mono); font-size: 1.25rem; transition: transform .2s ease; }
.map23-query[open] summary::before { transform: rotate(45deg); }
.map23-answer { color: #d0d8d3; padding: 0 0 1rem 2.05rem; }
.map23-answer p { margin-bottom: 0; }
.map23-visuallyheaded { clip: rect(0 0 0 0); clip-path: inset(50%); height: 1px; overflow: hidden; position: absolute; white-space: nowrap; width: 1px; }

.map23-gallery { align-items: center; background: linear-gradient(135deg, rgba(114,185,168,.12), transparent 65%); border: 1px solid var(--obs23-rule); display: grid; gap: 1.3rem; grid-template-columns: .75fr 1.25fr; margin: 3.2rem 0; overflow: hidden; padding: clamp(1.1rem, 3vw, 2rem); }
.map23-gallerycopy { padding: .5rem; }
.map23-gallerycopy h2 { font-size: clamp(1.3rem, 2.5vw, 2rem); }
.map23-gallerycopy p:last-child { color: var(--obs23-fog); font-size: .9rem; }
.map23-gallerytile { margin: 0; overflow: hidden; position: relative; }
.map23-gallerytile img { aspect-ratio: 16 / 10; filter: saturate(.75) contrast(1.08); object-fit: cover; transition: filter .5s ease, transform .65s cubic-bezier(.2,.8,.2,1); width: 100%; }
.map23-gallerytile:hover img { filter: saturate(1.05) contrast(1); transform: scale(1.055); }
.map23-gallerytile figcaption { background: rgba(4,15,19,.86); bottom: 0; color: var(--obs23-ink); font-size: .7rem; left: 0; padding: .65rem .75rem; position: absolute; right: 0; }
.map23-gallerytile figcaption span { color: var(--obs23-teal); display: block; font-family: var(--obs23-mono); font-size: .56rem; letter-spacing: .1em; margin-top: .15rem; }
.map23-method { align-items: center; border-top: 1px solid var(--obs23-rule); display: flex; gap: 1.5rem; justify-content: space-between; padding-top: 1.35rem; }
.map23-method p { color: var(--obs23-teal); font-family: var(--obs23-mono); font-size: .64rem; letter-spacing: .1em; margin-bottom: .3rem; }
.map23-method strong { display: block; font-size: .84rem; font-weight: 500; max-width: 48ch; }
.map23-method > a { border-bottom: 1px solid var(--obs23-apricot); color: var(--obs23-apricot); font-size: .82rem; font-weight: 800; flex: 0 0 auto; padding-bottom: .15rem; text-decoration: none; }
.map23-method > a b { transition: transform .2s ease; }
.map23-method > a:hover b { display: inline-block; transform: translateY(-3px); }
.map23-logbook { border-top: 1px solid var(--obs23-rule); color: var(--obs23-fog); display: flex; font-size: .8rem; justify-content: space-between; margin: 0 auto; max-width: 1440px; padding: 2.2rem clamp(1.25rem, 7vw, 8rem) 3rem; }
.map23-logbook span { color: var(--obs23-ink); display: block; font-weight: 800; }
.map23-logbook small { font-family: var(--obs23-mono); font-size: .62rem; }
@keyframes map23-rise { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }
@keyframes datum23-read { from { transform: scaleX(0); } to { transform: scaleX(1); } }

@media (max-width: 850px) {
  .axis23-horizon { align-items: flex-start; gap: 1rem; }
  .map23-waypoints { flex-wrap: wrap; justify-content: flex-end; }
  .map23-waypoints a { font-size: .7rem; }
  .map23-waypoints a i { display: none; }
  .map23-signal { grid-template-columns: 1fr; min-height: auto; }
  .datum23-nowcast { max-width: 640px; }
  .axis23-survey { grid-template-columns: 1fr; }
  .map23-coordinates { border-bottom: 1px solid var(--obs23-rule); border-right: 0; display: flex; gap: .45rem; overflow-x: auto; padding: 1rem 0; position: static; scrollbar-color: var(--obs23-teal-dim) transparent; }
  .map23-coordinates > p { align-self: center; flex: 0 0 auto; margin: 0 .5rem 0 0; }
  .map23-coordinates a { border: 1px solid var(--obs23-rule); flex: 0 0 auto; font-size: .72rem; padding: .4rem .55rem; }
  .map23-coordinates a:hover { padding-left: .55rem; }
  .map23-report { max-width: none; padding-left: 0; }
}
@media (max-width: 590px) {
  .axis23-horizon { display: block; }
  .map23-mark { margin-bottom: .85rem; }
  .map23-waypoints { justify-content: flex-start; }
  .map23-signal { padding-top: 3rem; }
  .map23-signal h1 { max-width: 12ch; }
  .map23-action { flex: 1 1 100%; }
  .datum23-photo figcaption { font-size: .52rem; }
  .map23-observation { grid-template-columns: 2rem minmax(0, 1fr); gap: .55rem; }
  .map23-observation_sig_queries { margin-left: -.5rem; padding-left: .5rem; }
  .map23-gallery { grid-template-columns: 1fr; }
  .map23-method { align-items: flex-start; flex-direction: column; }
  .map23-logbook { display: block; }
  .map23-logbook nav { flex-wrap: wrap; margin-top: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  .yxg23-observatory *, .yxg23-observatory *::before, .yxg23-observatory *::after { animation-duration: .01ms !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}
@media (min-width: 700px) { html { scroll-behavior: smooth; } }