:root {
  --telescope-ink: #1e1812;
  --telescope-rule: #5e4f3a;
  --telescope-gold: #8f7448;
  --telescope-paper-wash: rgba(252, 248, 234, 0.32);
  --rubin-night: #111720;
  --rubin-accent: #9c7d4e;
  --rubin-rule: rgba(59, 46, 30, 0.7);
}

.telescope-page {
  overflow: hidden;
}

.telescope-main {
  border: 1px solid var(--rule);
  background:
    radial-gradient(circle at 14% 16%, rgba(255, 255, 255, 0.24), transparent 40%),
    radial-gradient(circle at 79% 68%, rgba(27, 20, 13, 0.06), transparent 46%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.31), rgba(248, 243, 225, 0.12));
  padding: 1.2rem;
}

.back-row {
  margin-top: 0;
}

.section-title-block {
  text-align: center;
  margin-bottom: 1.3rem;
  padding: 0.75rem 0.45rem 1rem;
  border-top: 2px solid var(--telescope-ink);
  border-bottom: 2px solid var(--telescope-ink);
}

.plate-kicker {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-title-block h1 {
  margin: 0.45rem 0 0.15rem;
  letter-spacing: 0.04em;
  font-size: clamp(1.65rem, 3.1vw, 2.7rem);
  font-family: "IMFellEnglishSmallCapsLocal", "IMFellEnglishLocal", serif;
}

.section-subtitle {
  margin: 0;
  font-size: 0.98rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-intro {
  max-width: 68ch;
  margin: 0.85rem auto 0;
  font-size: 1.02rem;
  line-height: 1.62;
  text-wrap: pretty;
}

.feature-plate {
  border: 1px solid var(--telescope-rule);
  background:
    linear-gradient(180deg, rgba(247, 241, 220, 0.42), rgba(240, 233, 207, 0.2)),
    var(--telescope-paper-wash);
  padding: clamp(0.75rem, 2vw, 1.2rem);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.24),
    0 8px 26px rgba(16, 10, 5, 0.2);
  transition: box-shadow 220ms ease, transform 220ms ease;
}

.telescope-main[data-view-mode="deep-sky"] .feature-plate {
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.24),
    0 12px 32px rgba(16, 10, 5, 0.24),
    0 0 0 2px rgba(143, 116, 72, 0.18);
}

.plate-header-rule {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.22rem 0.1rem 0.55rem;
  border-bottom: 1px solid rgba(41, 30, 19, 0.56);
  margin-bottom: 0.8rem;
  font-size: 0.83rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.plate-number,
.plate-note {
  color: #3f2f21;
}

.telescope-stage {
  position: relative;
  width: 70%;
  margin-inline: auto;
  aspect-ratio: 16 / 8.5;
  min-height: 167px;
  border: 2px solid rgba(27, 20, 11, 0.85);
  border-radius: 9px;
  overflow: hidden;
  background: #070a12;
  isolation: isolate;
  box-shadow:
    inset 0 0 42px rgba(0, 0, 0, 0.82),
    0 8px 26px rgba(12, 10, 7, 0.36);

  --lens-x: 50%;
  --lens-y: 50%;
  --base-view-radius: clamp(83px, 11.25vw, 137px);
  --view-radius: var(--base-view-radius);
  --edge-start: var(--view-radius);
  --lens-opacity: 0.98;
}

.telescope-stage[data-click-zoom="true"] {
  --view-radius: calc(var(--base-view-radius) * 1.3);
}

.telescope-stage::after {
  display: none;
}

.telescope-stage::before {
  display: none;
}

.plate-layer {
  position: absolute;
  inset: 0;
  background-image: var(--plate-image, var(--fallback-image));
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  pointer-events: none;
  transform-origin: var(--lens-x) var(--lens-y);
  transition: transform 260ms ease-out;
}

@media (hover: hover) and (pointer: fine) {
  .telescope-stage[data-click-zoom="true"] .plate-layer {
    transform: scale(2);
  }
}

.plate-layer--dark {
  opacity: 0.35;
  filter: grayscale(0.7) brightness(0.86) contrast(1.03) saturate(0.35);
}

.plate-layer--outer {
  display: none;
}

.plate-layer--mid {
  display: none;
}

.plate-layer--core {
  opacity: var(--lens-opacity);
  filter: brightness(1.05) contrast(1.07) saturate(1.06);
  -webkit-mask-image: radial-gradient(
    circle at var(--lens-x) var(--lens-y),
    rgba(0, 0, 0, 1) 0,
    rgba(0, 0, 0, 1) calc(var(--view-radius) - 6px),
    rgba(0, 0, 0, 0) calc(var(--view-radius) + 6px)
  );
  mask-image: radial-gradient(
    circle at var(--lens-x) var(--lens-y),
    rgba(0, 0, 0, 1) 0,
    rgba(0, 0, 0, 1) calc(var(--view-radius) - 6px),
    rgba(0, 0, 0, 0) calc(var(--view-radius) + 6px)
  );
}

.plate-layer--lens-overlay {
  background:
    radial-gradient(circle at calc(var(--lens-x) - 18px) calc(var(--lens-y) - 22px), rgba(255, 255, 255, 0.35) 0, rgba(255, 255, 255, 0.14) 26px, rgba(255, 255, 255, 0) 62px),
    radial-gradient(circle at var(--lens-x) var(--lens-y), rgba(130, 170, 210, 0.18) 0, rgba(130, 170, 210, 0.08) calc(var(--view-radius) - 18px), rgba(130, 170, 210, 0) calc(var(--view-radius) - 6px)),
    radial-gradient(circle at var(--lens-x) var(--lens-y), rgba(181, 145, 84, 0) calc(var(--view-radius) - 9px), rgba(181, 145, 84, 0.92) calc(var(--view-radius) - 5px), rgba(74, 54, 28, 0.9) calc(var(--view-radius) + 1px), rgba(0, 0, 0, 0) calc(var(--view-radius) + 7px)),
    radial-gradient(circle at var(--lens-x) var(--lens-y), rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 0) calc(var(--view-radius) - 7px), rgba(14, 16, 22, 0.52) calc(var(--view-radius) + 7px));
  mix-blend-mode: normal;
  opacity: 1;
}

.telescope-stage[data-active="false"] {
  --lens-opacity: 0.72;
}

.stage-instruction {
  position: absolute;
  z-index: 7;
  left: 50%;
  bottom: 0.75rem;
  transform: translateX(-50%);
  padding: 0.3rem 0.62rem;
  max-width: calc(100% - 1rem);
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #f2ead4;
  background: rgba(9, 10, 14, 0.68);
  border: 1px solid rgba(199, 173, 124, 0.42);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.8);
}

.no-js .stage-instruction {
  display: none;
}

.no-js .plate-layer--dark,
.no-js .plate-layer--outer,
.no-js .plate-layer--mid,
.no-js .plate-layer--lens-overlay {
  display: none;
}

.no-js .plate-layer--core {
  opacity: 1;
  filter: none;
  -webkit-mask-image: none;
  mask-image: none;
}

.caption-block {
  border-top: 1px solid rgba(23, 17, 11, 0.65);
  margin-top: 0.95rem;
  padding-top: 0.85rem;
}

.sky-title {
  margin: 0;
  text-transform: none;
  text-align: left;
  font-size: clamp(1.2rem, 2.2vw, 1.62rem);
  font-family: "IMFellEnglishLocal", serif;
}

.sky-description {
  margin: 0.55rem 0 0.8rem;
  font-size: 1rem;
  line-height: 1.6;
  font-family: "IMFellEnglishLocal", Georgia, "Times New Roman", serif;
  text-wrap: pretty;
}

.sky-meta {
  margin: 0;
}

.sky-meta-row {
  display: grid;
  grid-template-columns: minmax(120px, 180px) 1fr;
  gap: 0.5rem;
  padding: 0.27rem 0;
  border-top: 1px dotted rgba(27, 20, 13, 0.48);
}

.sky-meta-row dt {
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 0.78rem;
  font-weight: 700;
  color: #3a2d20;
}

.sky-meta-row dd {
  margin: 0;
}

.sky-meta-row a {
  color: #40280f;
  text-decoration: underline;
}

.sky-divider {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: end;
  margin-top: 1.3rem;
  padding: 0.95rem 0.9rem;
  border-top: 2px solid var(--telescope-ink);
  border-bottom: 1px solid rgba(58, 42, 25, 0.48);
  background:
    linear-gradient(90deg, rgba(255, 251, 239, 0.44), rgba(235, 226, 199, 0.22)),
    radial-gradient(circle at 82% 24%, rgba(161, 130, 86, 0.12), transparent 32%);
}

.sky-divider-copy h2 {
  margin: 0.32rem 0 0.24rem;
  font-size: clamp(1.15rem, 2.1vw, 1.65rem);
  font-family: "IMFellEnglishLocal", Georgia, serif;
}

.sky-divider-text {
  max-width: 64ch;
  margin: 0;
  line-height: 1.62;
  text-wrap: pretty;
}

.sky-mode-switch {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.sky-mode-button {
  border: 1px solid rgba(68, 50, 30, 0.76);
  padding: 0.5rem 0.9rem;
  background: linear-gradient(180deg, rgba(250, 247, 237, 0.78), rgba(234, 225, 199, 0.48));
  color: #302014;
  font: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.sky-mode-button:hover,
.sky-mode-button:focus-visible {
  background: linear-gradient(180deg, rgba(255, 253, 246, 0.9), rgba(240, 229, 195, 0.62));
  transform: translateY(-1px);
}

.sky-mode-button.is-active {
  background: linear-gradient(180deg, rgba(43, 31, 20, 0.96), rgba(26, 18, 12, 0.96));
  color: #f2e6cd;
  border-color: rgba(181, 145, 84, 0.9);
}

.rubin-alert-window {
  margin-top: 1rem;
  border: 1px solid var(--rubin-rule);
  background:
    linear-gradient(180deg, rgba(250, 246, 232, 0.28), rgba(232, 223, 197, 0.12)),
    radial-gradient(circle at 86% 18%, rgba(100, 122, 157, 0.12), transparent 30%),
    linear-gradient(135deg, rgba(17, 23, 32, 0.04), rgba(17, 23, 32, 0));
  padding: 1rem;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.18),
    0 10px 28px rgba(15, 10, 7, 0.14);
  transition: box-shadow 220ms ease, transform 220ms ease;
}

.telescope-main[data-view-mode="changing-sky"] .rubin-alert-window {
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.18),
    0 12px 32px rgba(15, 10, 7, 0.2),
    0 0 0 2px rgba(102, 129, 170, 0.18);
}

.rubin-alert-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 28%);
  gap: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(44, 35, 24, 0.55);
}

.rubin-kicker {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.rubin-alert-header h2 {
  margin: 0.3rem 0 0.24rem;
  font-size: clamp(1.3rem, 2.3vw, 1.92rem);
  font-family: "IMFellEnglishLocal", Georgia, serif;
}

.rubin-intro {
  max-width: 62ch;
  margin: 0;
  line-height: 1.62;
  text-wrap: pretty;
}

.rubin-stat-block {
  display: grid;
  gap: 0.55rem;
  align-content: start;
}

.rubin-stat-line,
.rubin-updated-at {
  margin: 0;
}

.rubin-stat-line {
  padding: 0.55rem 0.65rem;
  border: 1px solid rgba(63, 50, 34, 0.72);
  background: rgba(18, 24, 33, 0.92);
  color: #f2ead7;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rubin-updated-at {
  font-size: 0.83rem;
  color: #4c3a28;
}

.rubin-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 1rem;
  margin-top: 1rem;
}

.rubin-featured-slot,
.rubin-archive-column {
  min-width: 0;
}

.rubin-archive-column h3 {
  margin: 0 0 0.75rem;
  font-size: 0.92rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.rubin-alert-list {
  display: grid;
  gap: 0.82rem;
}

.rubin-card {
  border: 1px solid rgba(58, 44, 28, 0.65);
  background:
    linear-gradient(180deg, rgba(255, 252, 244, 0.46), rgba(237, 228, 202, 0.18)),
    rgba(255, 255, 255, 0.18);
  padding: 0.88rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
}

.rubin-card--featured {
  padding: 1rem;
}

.rubin-card-topline {
  display: flex;
  justify-content: space-between;
  gap: 0.65rem;
  margin-bottom: 0.45rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.rubin-card-topline p {
  margin: 0;
}

.rubin-card-category {
  color: #442f1d;
}

.rubin-card-date {
  color: #5f4e39;
  text-align: right;
}

.rubin-card-title {
  margin: 0;
  font-family: "IMFellEnglishLocal", Georgia, serif;
  font-size: 1.28rem;
  line-height: 1.18;
}

.rubin-card:not(.rubin-card--featured) .rubin-card-title {
  font-size: 1.05rem;
}

.rubin-card-summary {
  margin: 0.78rem 0;
  line-height: 1.6;
  text-wrap: pretty;
}

.rubin-hero-figure,
.rubin-triptych,
.rubin-figure {
  margin: 0.85rem 0 0;
}

.rubin-hero-figure,
.rubin-figure {
  border: 1px solid rgba(53, 42, 31, 0.76);
  background: var(--rubin-night);
}

.rubin-hero-figure img,
.rubin-figure img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.rubin-hero-figure img {
  aspect-ratio: 16 / 9;
}

.rubin-figure img {
  aspect-ratio: 1 / 1;
}

.rubin-hero-figure figcaption,
.rubin-figure figcaption {
  padding: 0.35rem 0.45rem;
  color: #eadfc5;
  background: rgba(10, 12, 18, 0.9);
  font-size: 0.69rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.rubin-triptych {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.rubin-card-meta {
  margin: 0;
  border-top: 1px dotted rgba(43, 33, 23, 0.52);
}

.rubin-card-meta-row {
  display: grid;
  grid-template-columns: minmax(92px, 128px) 1fr;
  gap: 0.5rem;
  padding: 0.3rem 0;
  border-top: 1px dotted rgba(43, 33, 23, 0.36);
}

.rubin-card-meta-row dt {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
  color: #402f20;
}

.rubin-card-meta-row dd {
  margin: 0;
}

.rubin-card-link {
  color: #3d2711;
  text-decoration: underline;
}

.rubin-card-link[aria-disabled="true"] {
  color: #6e6254;
  pointer-events: none;
  text-decoration: none;
}

.rubin-list-note,
.rubin-empty-state {
  margin: 0;
  padding: 0.88rem;
  border: 1px dashed rgba(78, 62, 42, 0.7);
  background: rgba(248, 242, 224, 0.32);
  line-height: 1.6;
}

.rubin-empty-state {
  margin-top: 1rem;
}

.editorial-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 34%);
  gap: 1rem;
  margin-top: 1.2rem;
}

.editorial-note,
.archive-hook {
  border: 1px solid rgba(53, 40, 25, 0.6);
  padding: 0.82rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3), rgba(242, 232, 210, 0.14));
}

.editorial-note h2,
.archive-hook h2 {
  margin: 0 0 0.5rem;
  font-size: 0.94rem;
  letter-spacing: 0.09em;
  text-align: left;
}

.archive-hook ul {
  margin: 0;
  padding-left: 1rem;
}

.no-script-note {
  margin: 0.7rem 0 0;
  font-style: italic;
}

@media (prefers-reduced-motion: reduce) {
  .telescope-stage {
    --lens-x: 50%;
    --lens-y: 50%;
  }

  .telescope-stage::before {
    animation: none;
  }

  .plate-layer,
  .feature-plate,
  .rubin-alert-window,
  .sky-mode-button {
    transition: none;
  }
}

@media (max-width: 920px) {
  .plate-header-rule,
  .sky-divider,
  .rubin-alert-header,
  .rubin-layout,
  .editorial-columns {
    grid-template-columns: minmax(0, 1fr);
  }

  .plate-header-rule {
    flex-direction: column;
    align-items: flex-start;
  }

  .sky-mode-switch {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .telescope-main {
    padding: 0.85rem;
  }

  .section-title-block {
    padding: 0.65rem 0.35rem 0.82rem;
  }

  .section-intro,
  .sky-divider-text,
  .rubin-intro {
    font-size: 0.95rem;
  }

  .telescope-stage {
    width: 100%;
  }

  .sky-meta-row,
  .rubin-card-meta-row,
  .rubin-triptych {
    grid-template-columns: 1fr;
  }

  .rubin-card-topline {
    flex-direction: column;
    align-items: flex-start;
  }

  .rubin-card-date {
    text-align: left;
  }
}