@font-face {
  font-family: "Atkinson";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/atkinson-regular-latin.woff2") format("woff2");
  unicode-range: U+0000-00ff, U+0131, U+0152-0153, U+02bb-02bc, U+02c6, U+02da, U+02dc, U+0304, U+0308, U+0329, U+2000-206f, U+20ac, U+2122, U+2191, U+2193, U+2212, U+2215, U+feff, U+fffd;
}

@font-face {
  font-family: "Atkinson";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/atkinson-regular-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02ba, U+02bd-02c5, U+02c7-02cc, U+02ce-02d7, U+02dd-02ff, U+0304, U+0308, U+0329, U+1d00-1dbf, U+1e00-1e9f, U+1ef2-1eff, U+2020, U+20a0-20ab, U+20ad-20c0, U+2113, U+2c60-2c7f, U+a720-a7ff;
}

@font-face {
  font-family: "Atkinson";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/atkinson-bold-latin.woff2") format("woff2");
  unicode-range: U+0000-00ff, U+0131, U+0152-0153, U+02bb-02bc, U+02c6, U+02da, U+02dc, U+0304, U+0308, U+0329, U+2000-206f, U+20ac, U+2122, U+2191, U+2193, U+2212, U+2215, U+feff, U+fffd;
}

@font-face {
  font-family: "Atkinson";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/atkinson-bold-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02ba, U+02bd-02c5, U+02c7-02cc, U+02ce-02d7, U+02dd-02ff, U+0304, U+0308, U+0329, U+1d00-1dbf, U+1e00-1e9f, U+1ef2-1eff, U+2020, U+20a0-20ab, U+20ad-20c0, U+2113, U+2c60-2c7f, U+a720-a7ff;
}

@font-face {
  font-family: "Noto Sans Devanagari";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/noto-sans-devanagari.woff2") format("woff2");
  unicode-range: U+0900-097f, U+1cd0-1cf9, U+200c-200d, U+20a8, U+20b9, U+20f0, U+25cc, U+a830-a839, U+a8e0-a8ff, U+11b00-11b09;
}

:root {
  color-scheme: light;
  --paper: #f4efe5;
  --surface: #fbf7ef;
  --surface-raised: #fffdf8;
  --ink: #29251f;
  --ink-soft: #655e52;
  --accent: #9b5849;
  --accent-soft: rgb(166 95 79 / 10%);
  --sage: #70805e;
  --border: rgb(41 37 31 / 15%);
  --border-strong: rgb(41 37 31 / 28%);
  --focus: rgb(166 95 79 / 35%);
  --header-bg: rgb(244 239 229 / 94%);
  --moon-shadow: #292d32;
  --moon-light: #f0e8d5;
  --font-sans: "Atkinson", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-devanagari: "Noto Sans Devanagari", "Nirmala UI", Mangal, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --container: 1320px;
  --reading: 780px;
  --radius-sm: 3px;
  --radius-md: 5px;
  --space-1: 0.375rem;
  --space-2: 0.625rem;
  --space-3: 0.875rem;
  --space-4: 1.125rem;
  --space-5: 1.25rem;
  --space-6: 1.625rem;
  --space-7: 2.125rem;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #181b1f;
  --surface: #1d2126;
  --surface-raised: #242930;
  --ink: #ebe5d6;
  --ink-soft: #b6ae9d;
  --accent: #d7ccb2;
  --accent-soft: rgb(215 204 178 / 10%);
  --sage: #93a67c;
  --border: rgb(235 229 214 / 12%);
  --border-strong: rgb(235 229 214 / 22%);
  --focus: rgb(215 204 178 / 32%);
  --header-bg: rgb(24 27 31 / 94%);
  --moon-shadow: #242930;
  --moon-light: #eee5d2;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #181b1f;
    --surface: #1d2126;
    --surface-raised: #242930;
    --ink: #ebe5d6;
    --ink-soft: #b6ae9d;
    --accent: #d7ccb2;
    --accent-soft: rgb(215 204 178 / 10%);
    --sage: #93a67c;
    --border: rgb(235 229 214 / 12%);
    --border-strong: rgb(235 229 214 / 22%);
    --focus: rgb(215 204 178 / 32%);
    --header-bg: rgb(24 27 31 / 94%);
    --moon-shadow: #242930;
    --moon-light: #eee5d2;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--ink);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.js-only {
  display: none;
}

.js .js-only {
  display: inline-grid;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-raised);
  color: var(--ink);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: var(--header-bg);
}

.site-header__inner,
.site-footer__inner,
.page-shell {
  width: min(calc(100% - 2 * var(--space-5)), var(--container));
  margin-inline: auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.identity {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--ink);
}

.identity__line {
  display: flex;
  align-items: baseline;
  gap: 0.12rem;
}

.identity__home {
  color: inherit;
  text-decoration: none;
}

.identity__home:hover {
  color: var(--accent);
}

.identity__line sup {
  position: relative;
  top: -0.5em;
  font-family: var(--font-mono);
  font-size: 0.58em;
  line-height: 1;
}

.identity__note {
  color: var(--accent);
  text-decoration: none;
}

.identity__note:hover,
.identity__note:focus-visible {
  text-decoration: underline;
}

.identity__primary,
.identity__translation {
  display: grid;
  line-height: 1.12;
}

.identity__primary {
  gap: 0.05rem;
}

.identity__devanagari {
  font-family: var(--font-devanagari);
  font-size: clamp(2rem, 4vw, 2.65rem);
  font-weight: 700;
  color: var(--accent);
}

.identity__sanskrit {
  color: var(--ink);
  font-family: var(--font-devanagari), var(--font-sans);
  font-size: 0.72rem;
}

.identity__translation {
  gap: 0.1rem;
  padding-left: var(--space-4);
  border-left: 1px solid var(--border-strong);
  color: var(--ink-soft);
}

.identity__english {
  font-size: 0.82rem;
  font-weight: 700;
}

.identity__motto {
  font-size: 0.67rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  font-size: 0.9rem;
  font-weight: 700;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
}

.theme-toggle {
  place-items: center;
  width: 2.65rem;
  height: 2.65rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
}

.theme-toggle:hover {
  background: var(--surface-raised);
}

.page-shell {
  padding-block: var(--space-6) var(--space-7);
}

.back-link {
  display: inline-block;
  margin-bottom: var(--space-5);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-header {
  padding-block: var(--space-5) var(--space-7);
  border-block: 1px solid var(--border-strong);
}

.eyebrow,
.row-count,
.page-meta dt,
.page-meta dd,
.table-note,
figcaption {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.eyebrow,
.page-meta dt {
  color: var(--accent);
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.05;
  text-wrap: balance;
}

h1 {
  max-width: 16ch;
  margin-top: var(--space-2);
  font-size: clamp(2.8rem, 7vw, 5rem);
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.45rem, 3vw, 2rem);
}

h3 {
  font-size: 1.2rem;
}

.page-header__description {
  max-width: var(--reading);
  margin: var(--space-4) 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.1rem, 2vw, 1.3rem);
}

.page-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
  margin: var(--space-6) 0 0;
}

.page-meta div {
  display: grid;
  gap: var(--space-1);
}

.page-meta dd {
  color: var(--ink);
  overflow-wrap: anywhere;
}

.month-nav {
  position: sticky;
  z-index: 5;
  top: 0;
  display: grid;
  grid-template-columns: repeat(12, minmax(4rem, 1fr));
  margin-block: var(--space-6) var(--space-7);
  overflow-x: auto;
  border-block: 1px solid var(--border-strong);
  background: var(--paper);
  scrollbar-width: thin;
}

.month-nav a {
  display: grid;
  place-items: center;
  min-height: 4rem;
  padding: var(--space-2);
  border-inline-end: 1px solid var(--border);
  color: var(--ink-soft);
  font-size: 0.8rem;
  text-decoration: none;
}

.month-nav a:hover,
.month-nav a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--ink);
}

.month-nav a[aria-current="page"] {
  box-shadow: inset 0 -3px var(--accent);
}

.month-nav__number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.dataset-list,
.chart-section {
  display: grid;
  gap: var(--space-7);
}

.data-section,
.chart-section {
  min-width: 0;
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-strong);
}

.chart-section {
  margin-bottom: var(--space-7);
}

.data-section__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-4);
}

.data-section__header .eyebrow {
  margin-bottom: var(--space-1);
}

.row-count,
.table-note,
figcaption {
  color: var(--ink-soft);
}

.table-region {
  max-width: 100%;
  overflow: auto;
  border-block: 1px solid var(--border-strong);
  scrollbar-width: thin;
}

.table-region:focus-visible {
  outline-offset: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

th,
td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

th {
  position: sticky;
  z-index: 1;
  top: 0;
  background: var(--surface-raised);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

td {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

tbody tr:hover {
  background: var(--accent-soft);
}

.table-note {
  margin-top: var(--space-2);
}

.empty-state {
  margin: 0;
  padding: var(--space-5);
  border-block: 1px solid var(--border);
  color: var(--ink-soft);
  background: var(--surface);
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 28rem), 1fr));
  gap: var(--space-6);
}

.landing-page,
.data-library-page {
  display: grid;
  gap: clamp(4rem, 9vw, 8rem);
}

.landing-intro {
  min-height: min(60vh, 38rem);
  display: grid;
  align-content: center;
  padding-block: var(--space-7);
  border-bottom: 1px solid var(--border-strong);
}

.landing-intro h1 {
  max-width: 13ch;
}

.landing-intro > p:last-child {
  max-width: 42rem;
  margin: var(--space-5) 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.horizons,
.dataset-library {
  display: grid;
  gap: var(--space-6);
  scroll-margin-top: var(--space-5);
}

.section-heading {
  display: grid;
  gap: var(--space-2);
  max-width: var(--reading);
}

.horizon-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid var(--border-strong);
}

.horizon-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  border-inline-end: 1px solid var(--border);
}

.horizon-card:last-child {
  border-inline-end: 0;
}

.horizon-card__number,
.horizon-card__coordinates,
.availability-note {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.horizon-card__number {
  margin: 0 0 var(--space-7);
  color: var(--accent);
}

.horizon-card h3 {
  min-height: 2.4em;
}

.horizon-card__coordinates {
  margin: var(--space-3) 0 0;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.horizon-card > p:not(.horizon-card__number, .horizon-card__coordinates, .availability-note) {
  margin: var(--space-1) 0 var(--space-5);
  color: var(--ink-soft);
}

.edition-links {
  display: grid;
  gap: var(--space-2);
  margin-top: auto;
}

.edition-links a,
.download-link {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-2);
  border-top: 1px solid var(--border);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.edition-links a:hover,
.download-link:hover {
  color: var(--accent);
}

.availability-note {
  margin: auto 0 0;
}

.landing-about {
  max-width: var(--reading);
  padding: var(--space-7);
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
}

.landing-about h2 {
  margin-top: var(--space-2);
}

.landing-about > p:last-child {
  margin: var(--space-4) 0 0;
  color: var(--ink-soft);
}

.data-library-page {
  gap: clamp(3.5rem, 7vw, 6rem);
}

.data-provenance {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.8fr);
  gap: var(--space-7);
  align-items: end;
  padding: var(--space-7);
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
}

.data-provenance h2 { margin-top: var(--space-2); }

.data-provenance > p {
  margin: 0;
  color: var(--ink-soft);
}

.dataset-group-nav {
  position: sticky;
  z-index: 4;
  top: 0;
  display: flex;
  overflow-x: auto;
  border-block: 1px solid var(--border-strong);
  background: var(--header-bg);
  scrollbar-width: thin;
}

.dataset-group-nav a {
  flex: 1 0 auto;
  padding: var(--space-2) var(--space-4);
  border-right: 1px solid var(--border);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
}

.dataset-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border-strong);
}

.dataset-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-5);
  padding: var(--space-5);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.dataset-card:nth-child(even) {
  border-right: 0;
}

.dataset-card h3 {
  margin-top: var(--space-2);
}

.dataset-card p:not(.row-count) {
  margin: var(--space-2) 0 0;
  color: var(--ink-soft);
}

.dataset-card details {
  border-top: 1px solid var(--border);
}

.dataset-card summary {
  padding-block: var(--space-2);
  color: var(--ink-soft);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.dataset-card details dl { margin: 0 0 var(--space-3); }

.dataset-card details dl > div {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: var(--space-3);
  padding-block: var(--space-1);
}

.dataset-card details dt {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
}

.dataset-card details dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 0.78rem;
}

.library-return {
  display: flex;
  justify-content: space-between;
  gap: var(--space-6);
  align-items: center;
  padding-block: var(--space-5);
  border-block: 1px solid var(--border-strong);
}

.library-return p {
  max-width: var(--reading);
  margin: 0;
  color: var(--ink-soft);
}

.library-return a {
  flex: 0 0 auto;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.annual-overview {
  display: grid;
  gap: clamp(4rem, 8vw, 7rem);
}

.annual-overview .month-nav {
  margin-block: calc(-1 * var(--space-5)) calc(-1 * var(--space-4));
}

.year-glance,
.annual-highlights,
.seasonal-sky,
.month-index {
  display: grid;
  gap: var(--space-6);
  scroll-margin-top: var(--space-6);
}

.section-heading > p:last-child {
  margin: var(--space-2) 0 0;
  color: var(--ink-soft);
}

.glance-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-top: 1px solid var(--border-strong);
  border-left: 1px solid var(--border);
}

.glance-month {
  position: relative;
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-1) var(--space-2);
  min-height: 11rem;
  padding: var(--space-4);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  color: var(--ink);
  text-decoration: none;
}

.glance-month::before,
.highlight-list > li::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--tone, var(--border-strong));
  content: "";
}

.glance-month:hover {
  background: var(--accent-soft);
  color: var(--ink);
}

.glance-month__number,
.highlight-list__date,
.rating-label {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.glance-month__number {
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.glance-month strong {
  grid-column: 1 / -1;
  font-size: 1.15rem;
}

.glance-month > span:nth-last-of-type(1) {
  align-self: end;
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.25;
}

.glance-month small {
  align-self: end;
  justify-self: end;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tone-excellent { --tone: var(--sage); }
.tone-good { --tone: #9b7b4f; }
.tone-fair { --tone: var(--accent); }
.tone-poor,
.tone-unavailable,
.tone-neutral { --tone: var(--border-strong); }

.highlight-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--border-strong);
  list-style: none;
  counter-reset: annual-highlight;
}

.highlight-list > li {
  position: relative;
  display: grid;
  grid-template-columns: minmax(8rem, 0.7fr) minmax(16rem, 2fr) auto;
  gap: var(--space-5);
  align-items: start;
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--border);
  counter-increment: annual-highlight;
}

.highlight-list__date {
  display: grid;
  gap: var(--space-1);
  color: var(--ink);
}

.highlight-list__date::before {
  color: var(--accent);
  content: counter(annual-highlight, decimal-leading-zero);
  font-size: 0.7rem;
}

.highlight-list__date small,
.rating-label {
  color: var(--ink-soft);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.highlight-list h3 { margin-bottom: var(--space-1); }

.highlight-list p {
  margin: 0;
  color: var(--ink-soft);
}

.rating-label {
  padding-left: var(--space-2);
  border-left: 3px solid var(--tone, var(--border-strong));
}

.seasonal-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(18rem, 0.8fr);
  gap: var(--space-6);
  align-items: start;
  padding-block: var(--space-5);
  border-block: 1px solid var(--border-strong);
}

.seasonal-chart figcaption {
  max-width: 62ch;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: normal;
  line-height: 1.45;
  text-transform: none;
}

.seasonal-chart figcaption strong {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.planet-seasons {
  padding: var(--space-5);
  background: var(--surface);
}

.planet-seasons h3 { margin-top: var(--space-1); }

.planet-seasons ul {
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
}

.planet-seasons li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0 var(--space-3);
  padding-block: var(--space-2);
  border-top: 1px solid var(--border);
}

.planet-seasons li span {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.planet-seasons li small {
  grid-column: 1 / -1;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
}

/* Stage 4 observing instruments */
.instrument-card,
.moon-system-section {
  min-width: 0;
  width: 100%;
  margin-top: var(--space-6);
  padding-block: var(--space-5);
  border-top: 1px solid var(--border-strong);
}

.instrument-heading {
  display: flex;
  justify-content: space-between;
  gap: var(--space-5);
  align-items: end;
  margin-bottom: var(--space-4);
}

.instrument-heading h3,
.moon-system-section h3,
.moon-system h4 { margin: 0 0 var(--space-2); }

.instrument-heading p { max-width: 72ch; }

.chart-controls {
  display: flex;
  gap: var(--space-2);
  flex: none;
}

.chart-controls button {
  inline-size: 2.75rem;
  block-size: 2.75rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface);
  cursor: pointer;
}

.scroll-instrument {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-color: var(--accent) var(--surface);
  border: 1px solid var(--border);
  background: var(--surface);
}

.milky-year-chart {
  position: relative;
  min-width: max(100%, calc(var(--year-days) * 7px + 5rem));
  height: 24rem;
  padding: 2.5rem 0 1.5rem 4.5rem;
}

.milky-year-chart__months {
  position: absolute;
  inset: 0 0 auto 4.5rem;
  height: 2.5rem;
}

.milky-year-chart__months span {
  position: absolute;
  left: calc(var(--day) / var(--year-days) * 100%);
  padding: 0.65rem 0.5rem;
  border-left: 1px solid var(--border-strong);
  color: var(--ink-soft);
  font: 0.68rem var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.milky-year-chart__axis {
  position: absolute;
  inset: 2.5rem auto 1.5rem 0;
  width: 4.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-right: 0.7rem;
  color: var(--ink-soft);
  font: 0.64rem var(--font-mono);
  text-align: right;
}

.milky-year-chart__plot {
  position: relative;
  height: 20rem;
  background:
    linear-gradient(to bottom, transparent 49.8%, var(--border-strong) 50%, transparent 50.2%),
    linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(180deg, color-mix(in srgb, var(--accent-cream) 70%, transparent), color-mix(in srgb, var(--ink) 8%, transparent) 50%, color-mix(in srgb, var(--accent-cream) 70%, transparent));
  background-size: 100% 100%, calc(100% / 12) 100%, 100% 100%;
}

.milky-window {
  position: absolute;
  left: calc(var(--day) / var(--year-days) * 100%);
  top: var(--start);
  width: max(4px, calc(100% / var(--year-days) * 0.8));
  height: var(--height);
  min-height: 3px;
  border-radius: 2px;
  background: #9b7b4f;
  cursor: help;
}

.milky-window--poor { background: #a96752; }
.milky-window--fair { background: #b38a4e; }
.milky-window--good { background: #71805a; }
.milky-window--excellent { background: var(--sage); }

.milky-window i {
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: calc(100% + 0.45rem);
  width: 12rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border-strong);
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 0.35rem 1rem rgb(0 0 0 / 12%);
  font: 0.72rem/1.45 var(--font-sans);
  font-style: normal;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%);
}

.milky-window:hover i,
.milky-window:focus i { opacity: 1; }

.instrument-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: var(--space-3) 0;
  color: var(--ink-soft);
  font: 0.7rem var(--font-mono);
  text-transform: uppercase;
}

.instrument-legend .legend-limited::before,
.instrument-legend .legend-fair::before,
.instrument-legend .legend-good::before,
.instrument-legend .legend-excellent::before {
  display: inline-block;
  width: 0.75rem;
  height: 0.75rem;
  margin-right: 0.4rem;
  border: 1px solid var(--border-strong);
  content: "";
  vertical-align: -0.1rem;
}

.legend-limited::before { background: #a96752; }
.legend-fair::before { background: #b38a4e; }
.legend-good::before { background: #71805a; }
.legend-excellent::before { background: var(--sage); }

.milky-month-summary {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: var(--space-4) 0;
  padding: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
  list-style: none;
}

.milky-month-summary li {
  display: grid;
  gap: 0.15rem;
  padding: var(--space-3);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-top: 3px solid var(--tone);
}

.milky-month-summary time,
.milky-month-summary span { font-size: 0.8rem; }
.milky-month-summary small { color: var(--ink-soft); font-size: 0.68rem; }

.planet-year-chart { min-width: 68rem; }

.planet-lane {
  display: grid;
  grid-template-columns: 7rem repeat(12, minmax(4.8rem, 1fr));
  border-bottom: 1px solid var(--border);
}

.planet-lane > strong,
.planet-lane > span { padding: 0.65rem 0.5rem; }

.planet-lane > strong {
  position: sticky;
  left: 0;
  z-index: 2;
  display: flex;
  gap: 0.45rem;
  align-items: center;
  border-right: 1px solid var(--border-strong);
  background: var(--surface);
}

.planet-lane > strong .planet-icon { width: 1.45rem; height: 1.45rem; flex: 0 0 auto; }

.planet-lane--head {
  color: var(--ink-soft);
  font: 0.68rem var(--font-mono);
  text-align: center;
  text-transform: uppercase;
}

.planet-cell {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 0.35rem;
  border-left: 3px solid var(--tone, var(--border));
  background: color-mix(in srgb, var(--tone, var(--surface)) 10%, var(--surface));
}

.planet-cell i,
.planet-cell small { color: var(--ink-soft); }
.planet-cell i { font: 0.65rem var(--font-mono); font-style: normal; }
.planet-cell b { text-align: right; }
.planet-cell small { grid-column: 1 / -1; font-size: 0.62rem; text-transform: uppercase; }
.planet-cell--empty { display: block; color: var(--ink-soft); text-align: center; }

.moon-system-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.moon-system {
  min-width: 0;
  padding: var(--space-4);
  background: var(--surface);
}

.moon-night-scroll {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding-bottom: var(--space-3);
}

.moon-night {
  flex: 0 0 17rem;
  margin: 0;
}

.moon-night figcaption { display: grid; margin-bottom: var(--space-2); }
.moon-night figcaption span { color: var(--ink-soft); font-size: 0.72rem; }

.moon-offset-plot {
  position: relative;
  height: 17rem;
  border: 1px solid var(--border);
  background: repeating-linear-gradient(to bottom, transparent 0 2.75rem, var(--border) 2.8rem);
}

.moon-offset-axis {
  position: absolute;
  inset: 0 auto 0 50%;
  width: 0.2rem;
  background: var(--ink);
}

.moon-offset-point {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 0.46rem;
  height: 0.46rem;
  border: 1px solid var(--paper);
  border-radius: 50%;
  background: var(--accent);
  transform: translate(-50%, -50%);
}

.moon-offset-point--1, .moon-key--1::before { background: #557a95; }
.moon-offset-point--2, .moon-key--2::before { background: #7b6948; }
.moon-offset-point--3, .moon-key--3::before { background: #6b8058; }
.moon-offset-point--4, .moon-key--4::before { background: #96627b; }
.moon-offset-point--5, .moon-key--5::before { background: #7b6b9a; }
.moon-offset-point--6, .moon-key--6::before { background: #956c46; }
.moon-offset-point--7, .moon-key--7::before { background: #557c78; }

.moon-offset-scale,
.moon-key {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  color: var(--ink-soft);
  font: 0.62rem var(--font-mono);
}

.moon-key {
  flex-wrap: wrap;
  justify-content: start;
  padding: 0;
  list-style: none;
}

.moon-key li::before {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.3rem;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

/* Stage 4A date-driven instruments */
.night-planner {
  display: grid;
  grid-template-columns: auto minmax(11rem, 15rem) 1fr;
  gap: var(--space-3) var(--space-4);
  align-items: center;
  padding: var(--space-5);
  border: 1px solid var(--border-strong);
  background: var(--surface);
}

.night-planner > label,
.moon-system > label {
  color: var(--ink-soft);
  font: 0.68rem var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.night-planner input,
.moon-system input {
  min-height: 2.75rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--paper);
  font: 0.85rem var(--font-mono);
}

.night-planner__summary {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.night-planner__timeline {
  position: relative;
  grid-column: 1 / -1;
  height: 7rem;
  overflow: hidden;
  border: 1px solid #5e6977;
  background: linear-gradient(180deg, #1a2030, #080b13 52%, #182033);
}

.night-planner__track {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 35%, rgb(255 255 255 / 48%) 0 1px, transparent 1.5px) 0 0 / 4.2rem 3.2rem;
  opacity: 0.45;
}

.night-segment {
  position: absolute;
  z-index: 1;
  height: 1rem;
  border: 1px solid rgb(255 255 255 / 72%);
}

.night-segment--moon-free {
  bottom: 2.2rem;
  background: #2cc7c9;
}

.night-segment--milky {
  bottom: 0.65rem;
  background: #ffb000;
}

.night-planner__axis {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  margin-top: calc(-1 * var(--space-2));
  color: var(--ink-soft);
  font: 0.65rem var(--font-mono);
}

.night-planner__facts {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.night-planner__facts > div { padding: var(--space-3); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.night-planner__facts dt { color: var(--ink-soft); font: 0.62rem var(--font-mono); text-transform: uppercase; }
.night-planner__facts dd { margin: var(--space-1) 0 0; font-size: 0.82rem; }
.night-planner__planets { grid-column: 1 / -1; }
.night-planner__planets h3 { margin-bottom: var(--space-2); font-size: 1rem; }
.night-planner__planets ul { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); margin: 0; padding: 0; border-block: 1px solid var(--border); list-style: none; }
.night-planner__planets li { display: grid; grid-template-columns: 2.2rem minmax(0, 1fr); gap: 0 var(--space-2); align-items: center; min-width: 0; padding: var(--space-2); border-right: 1px solid var(--border); }
.night-planner__planets li:last-child { border-right: 0; }
.night-planner__planets .planet-icon { grid-row: 1 / span 2; }
.night-planner__planets strong,
.night-planner__planets span { grid-column: 2; }
.night-planner__planets span { color: var(--ink-soft); font-size: 0.72rem; }

.planet-icon {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
  filter: drop-shadow(0 1px 1px rgb(0 0 0 / 20%));
}

.moon-system { border: 1px solid var(--border); }
.moon-system > label { display: inline-block; margin-right: var(--space-3); }
.moon-chart-status { min-height: 1.5em; color: var(--ink-soft); font-size: 0.82rem; }
.moon-track { margin: var(--space-3) 0; }
.moon-track svg { display: block; width: 100%; height: auto; min-height: 20rem; border: 1px solid var(--border-strong); background: var(--paper); }
.moon-track figcaption { margin-top: var(--space-2); color: var(--ink-soft); font-size: 0.72rem; }
.moon-grid-line { stroke: var(--border); stroke-width: 1; }
.moon-planet-axis { stroke: var(--ink); stroke-width: 3; }
.moon-axis-label { fill: var(--ink-soft); font: 14px var(--font-mono); }
.moon-track-line { fill: none; stroke-width: 4; }
.moon-track-point { stroke: var(--paper); stroke-width: 2; }
.moon-series-0 { stroke: #e31a1c; fill: #e31a1c; color: #e31a1c; }
.moon-series-1 { stroke: #0066cc; fill: #0066cc; color: #0066cc; stroke-dasharray: 12 5; }
.moon-series-2 { stroke: #16833b; fill: #16833b; color: #16833b; stroke-dasharray: 3 5; }
.moon-series-3 { stroke: #9c3fc7; fill: #9c3fc7; color: #9c3fc7; stroke-dasharray: 18 5 3 5; }
.moon-series-4 { stroke: #d05a00; fill: #d05a00; color: #d05a00; stroke-dasharray: 8 4; }
.moon-series-5 { stroke: #007f86; fill: #007f86; color: #007f86; stroke-dasharray: 2 4 10 4; }
.moon-series-6 { stroke: #c00066; fill: #c00066; color: #c00066; stroke-dasharray: 14 4 2 4; }
.moon-series-7 { stroke: #5b5bd6; fill: #5b5bd6; color: #5b5bd6; stroke-dasharray: 5 3; }
.moon-key--0::before { background: #e31a1c !important; }
.moon-key--1::before { background: #0066cc !important; }
.moon-key--2::before { background: #16833b !important; }
.moon-key--3::before { background: #9c3fc7 !important; }
.moon-key--4::before { background: #d05a00 !important; }
.moon-key--5::before { background: #007f86 !important; }
.moon-key--6::before { background: #c00066 !important; }
.moon-key--7::before { background: #5b5bd6 !important; }

@media (max-width: 760px) {
  .instrument-heading { align-items: start; }
  .chart-controls { display: none; }
  .moon-system-grid { grid-template-columns: 1fr; }
  .milky-year-chart { min-width: calc(var(--year-days) * 9px + 4.5rem); }
  .milky-month-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .night-planner { grid-template-columns: 1fr; }
  .night-planner__summary { grid-column: 1; }
  .night-planner__facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.month-ledger-heading,
.month-ledger-row {
  display: grid;
  grid-template-columns: minmax(8rem, 0.65fr) minmax(0, 2fr) minmax(12rem, 0.9fr) 2rem;
  gap: var(--space-5);
  align-items: center;
}

.month-ledger-heading {
  padding: var(--space-2) var(--space-3);
  border-block: 1px solid var(--border-strong);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.month-ledger {
  margin: 0;
  padding: 0;
  list-style: none;
}

.month-ledger li { border-bottom: 1px solid var(--border); }

.month-ledger-row {
  min-width: 0;
  padding: var(--space-3);
  color: var(--ink);
  text-decoration: none;
}

.month-ledger-row:hover { background: var(--accent-soft); }
.month-ledger-row:focus-visible { outline: 3px solid var(--focus); outline-offset: -3px; }

.month-ledger-row__month,
.month-ledger-row__opportunity,
.month-ledger-row__dark {
  min-width: 0;
  display: grid;
  gap: 0.15rem;
}

.month-ledger-row__month { grid-template-columns: 2rem minmax(0, 1fr); align-items: baseline; }
.month-ledger-row__month small { color: var(--accent); }
.month-ledger-row__month strong { font-family: var(--font-editorial); font-size: 1.05rem; }

.month-ledger-row small {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.month-ledger-row__opportunity > span,
.month-ledger-row__dark > span {
  overflow-wrap: anywhere;
  font-size: 0.82rem;
}

.month-ledger-row__opportunity > span { font-weight: 700; }
.month-ledger-row__dark small { display: none; }
.month-ledger-row__arrow { color: var(--accent); font-size: 1.1rem; text-align: right; }

.data-callout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(15rem, 0.5fr);
  gap: var(--space-6);
  align-items: end;
  padding: var(--space-7);
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
}

.data-callout h2 { margin-top: var(--space-1); }

.data-callout p:last-child {
  max-width: 54rem;
  margin: var(--space-3) 0 0;
  color: var(--ink-soft);
}

.data-callout > a {
  padding-block: var(--space-3);
  border-block: 1px solid var(--border-strong);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.monthly-guide {
  display: grid;
  gap: var(--space-7);
}

.monthly-guide .back-link {
  margin-bottom: calc(-1 * var(--space-5));
}

.monthly-guide .month-nav {
  margin-block: calc(-1 * var(--space-5)) 0;
}

.monthly-verdict {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(20rem, 0.75fr);
  gap: var(--space-7);
  align-items: end;
  padding: var(--space-7);
  border-left: 4px solid var(--tone, var(--accent));
  background: var(--surface);
}

.monthly-verdict h2 {
  max-width: 27ch;
  margin-top: var(--space-2);
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.monthly-verdict dl {
  margin: 0;
}

.monthly-verdict dl > div {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-2);
  border-top: 1px solid var(--border);
}

.monthly-verdict dt,
.monthly-verdict dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.monthly-verdict dt {
  color: var(--ink-soft);
  text-transform: uppercase;
}

.guide-nav {
  position: sticky;
  z-index: 4;
  top: 0;
  display: flex;
  overflow-x: auto;
  border-block: 1px solid var(--border-strong);
  background: var(--header-bg);
  scrollbar-width: thin;
}

.guide-nav a {
  flex: 1 0 auto;
  padding: var(--space-2) var(--space-4);
  border-right: 1px solid var(--border);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
}

.guide-nav a:hover {
  background: var(--accent-soft);
  color: var(--ink);
}

.monthly-editorial-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(19rem, 0.65fr);
  gap: var(--space-6);
  align-items: start;
}

.monthly-column {
  display: grid;
  gap: var(--space-7);
  align-content: start;
  min-width: 0;
}

.monthly-column > section {
  min-width: 0;
  display: grid;
  gap: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-strong);
  scroll-margin-top: 4rem;
}

.twilight-band {
  display: grid;
  grid-template-columns: auto minmax(5rem, 1fr) auto;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  background: #20262d;
  color: #f4efe5;
}

.twilight-band div {
  display: grid;
}

.twilight-band div:last-child { text-align: right; }

.twilight-band small {
  color: #beb6a5;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
}

.twilight-band span {
  height: 1px;
  background: linear-gradient(90deg, #b47760, #f1dfb2 8%, #657181 18%, #303842 50%, #657181 82%, #f1dfb2 92%, #b47760);
}

.session-list,
.compact-highlights,
.other-opportunities ul,
.planet-periods ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.session-list {
  border-top: 1px solid var(--border);
}

.session-list li {
  position: relative;
  display: grid;
  grid-template-columns: 4.25rem minmax(9rem, 1fr) auto;
  gap: var(--space-3);
  align-items: baseline;
  padding: var(--space-3) var(--space-2);
  border-bottom: 1px solid var(--border);
}

.session-list time,
.session-list span,
.compact-highlights time,
.compact-highlights small,
.other-opportunities time {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.session-list time { white-space: nowrap; }
.session-list span { text-align: right; white-space: nowrap; }

.context-link {
  justify-self: start;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.compact-highlights li {
  position: relative;
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: var(--space-3);
  padding: var(--space-4) 0 var(--space-4) var(--space-3);
  border-top: 1px solid var(--border);
}

.compact-highlights li::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--tone, var(--border-strong));
  content: "";
}

.compact-highlights h3 { margin-top: var(--space-1); }

.compact-highlights p {
  margin: var(--space-1) 0 0;
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.moon-progression {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-2);
}

.moon-progression > div {
  display: grid;
  place-items: center;
  gap: var(--space-1);
}

.moon-disc {
  display: block;
  width: clamp(2rem, 4vw, 2.8rem);
  aspect-ratio: 1;
  overflow: visible;
}

.moon-disc__shadow { fill: var(--moon-shadow); }
.moon-disc__light { fill: var(--moon-light); }
.moon-disc__rim { fill: none; stroke: var(--border-strong); stroke-width: 2; }

@media print {
  .moon-disc__shadow { fill: #000; }
  .moon-disc__light { fill: #fff; }
  .moon-disc__rim { stroke: #000; }
}

.moon-progression time,
.moon-progression small {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.62rem;
}

.field-note {
  margin: 0;
  padding: var(--space-4);
  border-left: 2px solid var(--accent);
  background: var(--accent-soft);
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.milky-sessions li::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--tone, var(--border-strong));
  content: "";
}

.planet-periods {
  display: grid;
  gap: var(--space-5);
}

.planet-periods h3 {
  margin-bottom: var(--space-2);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.planet-periods li {
  display: grid;
  grid-template-columns: 2.25rem 1fr auto;
  gap: 0 var(--space-2);
  align-items: center;
  padding: var(--space-2) 0 var(--space-2) var(--space-2);
  border-top: 1px solid var(--border);
  border-left: 3px solid var(--tone, var(--border-strong));
}

.planet-periods li .planet-icon { grid-row: 1 / span 2; }
.planet-periods li strong { grid-column: 2; }
.planet-periods li span { grid-column: 3; }

.planet-periods li span,
.planet-periods li small {
  color: var(--ink-soft);
  font-size: 0.74rem;
}

.planet-periods li small {
  grid-column: 2 / -1;
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.other-opportunities li {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: var(--space-4);
  padding-block: var(--space-3);
  border-top: 1px solid var(--border);
}

.other-opportunities li div { display: grid; }
.other-opportunities li span { color: var(--ink-soft); }

.monthly-data {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.7fr);
  gap: var(--space-7);
  padding: var(--space-7);
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  scroll-margin-top: 4rem;
}

.monthly-data h2 { margin-top: var(--space-1); }

.monthly-data p:not(.eyebrow) {
  margin: var(--space-3) 0 0;
  color: var(--ink-soft);
}

.monthly-downloads {
  display: grid;
  align-content: start;
}

.monthly-downloads a {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-2);
  border-top: 1px solid var(--border-strong);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.monthly-downloads span {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

figure {
  margin: 0;
}

figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  background: var(--surface);
}

figcaption {
  padding-top: var(--space-2);
}

.site-footer {
  border-top: 1px solid var(--border-strong);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  padding-block: var(--space-6);
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.site-footer__identity,
.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
}

.site-footer strong {
  color: var(--ink);
  font-family: var(--font-devanagari);
  font-size: 1.1rem;
}

.site-footer__meta {
  justify-content: flex-end;
}

.site-footer__notes {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
}

.site-footer__notes p {
  margin: 0;
}

.site-footer__notes span[aria-hidden="true"] {
  color: var(--accent);
  font-family: var(--font-mono);
}

@media (max-width: 52rem) {
  .site-header__inner,
  .site-footer__inner {
    grid-template-columns: 1fr;
  }

  .site-footer__meta,
  .site-footer__notes {
    grid-column: 1;
    justify-content: flex-start;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
  }

  .month-nav {
    grid-template-columns: repeat(12, 4.5rem);
  }

  .horizon-grid {
    grid-template-columns: 1fr;
  }

  .horizon-card,
  .horizon-card:last-child {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .horizon-card:last-child {
    border-bottom: 0;
  }

  .horizon-card h3 {
    min-height: 0;
  }

  .glance-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .seasonal-grid,
  .data-callout {
    grid-template-columns: 1fr;
  }

  .monthly-verdict,
  .monthly-editorial-grid,
  .monthly-data,
  .data-provenance {
    grid-template-columns: 1fr;
  }

  .monthly-column { display: contents; }

  .night-plan,
  .deep-sky-panel,
  .other-opportunities,
  .month-highlights,
  .moon-panel,
  .planet-panel {
    grid-column: 1;
    grid-row: auto;
  }

  .night-plan { order: 1; }
  .month-highlights { order: 2; }
  .moon-panel { order: 3; }
  .deep-sky-panel { order: 4; }
  .planet-panel { order: 5; }
  .other-opportunities { order: 6; }
}

@media (max-width: 36rem) {
  .site-header__inner,
  .site-footer__inner,
  .page-shell {
    width: min(calc(100% - 2 * var(--space-3)), var(--container));
  }

  .identity__sanskrit,
  .identity__motto {
    font-size: 0.68rem;
  }

  .identity {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-2);
  }

  .identity__translation {
    display: flex;
    gap: var(--space-2);
    padding-left: 0;
    border-left: 0;
  }

  .site-nav {
    gap: var(--space-3);
    overflow-x: auto;
  }

  .page-meta {
    grid-template-columns: 1fr;
  }

  .landing-intro {
    min-height: 28rem;
  }

  .horizon-card,
  .landing-about {
    padding: var(--space-5);
  }

  .dataset-card-grid {
    grid-template-columns: 1fr;
  }

  .dataset-card,
  .dataset-card:nth-child(even) {
    border-right: 0;
  }

  .annual-overview {
    gap: 4rem;
  }

  .glance-grid { grid-template-columns: 1fr; }

  .glance-month {
    min-height: 8.5rem;
  }

  .highlight-list > li {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .rating-label {
    justify-self: start;
  }

  .month-ledger-heading { display: none; }
  .month-ledger-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-2) var(--space-4);
    padding-block: var(--space-4);
  }
  .month-ledger-row__month { grid-column: 1; }
  .month-ledger-row__arrow { grid-column: 2; grid-row: 1; }
  .month-ledger-row__opportunity,
  .month-ledger-row__dark { grid-column: 1 / -1; padding-left: 2rem; }
  .month-ledger-row__dark small { display: block; }

  .data-callout,
  .planet-seasons,
  .monthly-verdict,
  .monthly-data,
  .data-provenance {
    padding: var(--space-5);
  }

  .library-return {
    align-items: flex-start;
    flex-direction: column;
  }

  .session-list li {
    grid-template-columns: 4rem 1fr;
    gap: var(--space-1) var(--space-3);
  }

  .session-list span {
    grid-column: 2;
    text-align: left;
  }

  .twilight-band {
    grid-template-columns: 1fr;
  }

  .twilight-band div:last-child { text-align: left; }

  .data-section__header {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-2);
  }

  th,
  td {
    padding-inline: var(--space-2);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  :root {
    color-scheme: light;
    --paper: #fff;
    --surface: #fff;
    --surface-raised: #fff;
    --ink: #000;
    --ink-soft: #333;
    --accent: #000;
    --border: #bbb;
    --border-strong: #666;
  }

  body {
    font-size: 9pt;
  }

  .site-nav,
  .month-nav,
  .skip-link,
  .back-link,
  .theme-toggle {
    display: none !important;
  }

  .site-header {
    position: static;
    background: transparent;
  }

  .site-header__inner,
  .site-footer__inner,
  .page-shell {
    width: 100%;
  }

  .data-section,
  .glance-month,
  .highlight-list > li,
  .month-ledger-row,
  .seasonal-grid,
  figure,
  table {
    break-inside: avoid;
  }

  .data-section__header,
  thead {
    break-after: avoid;
  }

  .table-region {
    overflow: visible;
  }

  th {
    position: static;
  }

  a {
    color: #000;
  }

  .planet-icon {
    filter: grayscale(1) contrast(1.15);
  }
}