/* Global site typography */
@import url("https://cdn.jsdelivr.net/gh/dreampulse/computer-modern-web-font@master/fonts.css");

:root {
  --font-body: "Computer Modern Serif", "CMU Serif", "Latin Modern Roman", serif;
}

html, body {
  /* Use !important to override PureCSS defaults */
  font-family: var(--font-body) !important;
  font-size: 18px;
  line-height: 1.45;
}

button, input, select, textarea {
  font-family: inherit !important;
}

.topnav a {
  font-size: 1em;
}

/* Home page: maintainer contact line */
.contact-line {
  font-size: 0.92rem;
  color: #555;
}
.contact-line a {
  color: #0078e7;
  text-decoration: none;
}
.contact-line a:hover {
  text-decoration: underline;
}
html.dark-mode body .contact-line {
  color: #b0b0b0;
}
html.dark-mode body .contact-line a {
  color: #7eb8ff;
}

/* Home page: catalog summary + embedded PDFs */
.catalog-summary {
  margin: 32px auto 0;
  text-align: left;
  max-width: 1200px;
}

.catalog-summary h2 {
  margin: 28px 0 8px;
  font-size: 1.35rem;
}

.catalog-summary__bullets {
  margin: 10px 0 18px;
  padding-left: 1.2rem;
}

.pdf-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 14px;
}

.pdf-figure {
  margin: 0;
}

.pdf-blurb {
  margin: 0 0 6px;
  font-size: 0.98rem;
  line-height: 1.5;
}

.pdf-caption {
  font-size: 0.95rem;
  margin: 0 0 8px;
}

.pdf-embed-link {
  display: block;
}

.pdf-embed {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
}

/* Acknowledgements section */
.acknowledgements {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(0, 0, 0, 0.12);
  text-align: left;
}

.acknowledgements h2 {
  margin: 0 0 20px;
  font-size: 1.35rem;
}

.acknowledgements__content {
  display: flex;
  flex-direction: row;
  gap: 24px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.acknowledgements__logo {
  flex-shrink: 0;
}

.acknowledgements__logo img {
  max-width: 120px;
  height: auto;
  display: block;
}

.acknowledgements__text {
  flex: 1;
  min-width: 280px;
}

.acknowledgements__text p {
  margin: 0 0 12px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.acknowledgements__text p:last-child {
  margin-bottom: 0;
}

.acknowledgements__text a {
  color: #0078e7;
  text-decoration: none;
}

.acknowledgements__text a:hover {
  text-decoration: underline;
}

.acknowledgements__read-more {
  font-weight: 500;
  font-size: 0.95rem;
}

.acknowledgements__full {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(0, 0, 0, 0.2);
}

.acknowledgements__full p {
  margin: 0 0 12px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.acknowledgements__full p:last-child {
  margin-bottom: 0;
}

@media (max-width: 720px) {
  .catalog-summary {
    margin-top: 24px;
  }

  .pdf-embed {
    border-radius: 8px;
  }
}

/* ========== Dark mode toggle (home + interactive pages) ========== */
.dark-mode-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  z-index: 1000;
  background: linear-gradient(145deg, #f8f9fa, #e9ecef);
  color: #495057;
}
.dark-mode-toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}
.dark-mode-toggle:active {
  transform: scale(0.98);
}

/* Dark mode: background, text, inputs — sky images stay unchanged */
html.dark-mode body {
  background-color: #0e0e0e !important;
  color: #e8e8e8 !important;
}
html.dark-mode body #main,
html.dark-mode body .catalog-summary,
html.dark-mode body .pdf-blurb,
html.dark-mode body .pdf-caption {
  color: #e8e8e8;
}
html.dark-mode body .catalog-summary h2,
html.dark-mode body h1,
html.dark-mode body h2 {
  color: #f0f0f0;
}
html.dark-mode body .catalog-summary__bullets li {
  color: #e0e0e0;
}
html.dark-mode body .credit,
html.dark-mode body .credit a {
  color: #b0b0b0 !important;
}
html.dark-mode body .credit a:hover {
  color: #7eb8ff !important;
}
html.dark-mode body #results-info {
  color: #b0b0b0 !important;
}
html.dark-mode body input,
html.dark-mode body select,
html.dark-mode body textarea {
  background-color: #2a2a2a !important;
  color: #e8e8e8 !important;
  border-color: #444 !important;
}
html.dark-mode body .pure-form fieldset {
  color: #e8e8e8;
}
html.dark-mode body .pure-button {
  background-color: #e8a855;
  color: #1a1a1a;
  border-color: #e8a855;
}
html.dark-mode body .pure-button-primary {
  background-color: #e8a855;
  color: #1a1a1a;
  border-color: #e8a855;
}
html.dark-mode body .pure-button:hover {
  background-color: #f0c060;
  color: #1a1a1a;
}
html.dark-mode body .pure-button-primary:hover {
  background-color: #f0c060;
}
/* Keep disabled buttons (e.g. "Loading…") neutral, not orange */
html.dark-mode body .pure-button-disabled,
html.dark-mode body .pure-button-disabled:hover {
  background-color: #333;
  color: #888;
  border-color: #444;
}
html.dark-mode body .pic {
  border-color: #0e0e0e !important;   /* match dark background so the frame is invisible */
}
html.dark-mode body .pic-container.selected img {
  border-color: #0078e7 !important;
}
html.dark-mode body .warning,
html.dark-mode body .warning-highlight {
  color: #e8a855 !important;
}
html.dark-mode body .warning a {
  color: #f0c060 !important;
}
html.dark-mode body .pic-label {
  color: #b0b0b0;
}
html.dark-mode body .pic-label a {
  color: #f0c060;   /* orange accent for Spectra links in dark mode */
}
html.dark-mode body .pic-loading {
  border-color: #333;
  border-top-color: #0078e7;
}
html.dark-mode body .filter-grid label {
  color: #e8e8e8;
}
html.dark-mode body .options label {
  color: #e8e8e8;
}
html.dark-mode body hr {
  border-color: #444;
}
html.dark-mode body #pagination-controls button {
  background-color: #e8a855;
  color: #1a1a1a;
  border-color: #e8a855;
}
html.dark-mode body #pagination-controls button:hover:not(:disabled) {
  background-color: #f0c060;
  color: #1a1a1a;
}
html.dark-mode body #pagination-controls button:disabled {
  opacity: 0.5;
}
html.dark-mode body .acknowledgements {
  border-top-color: rgba(255, 255, 255, 0.15);
}
html.dark-mode body .acknowledgements__text a {
  color: #7eb8ff;
}
html.dark-mode body .acknowledgements__full {
  border-top-color: rgba(255, 255, 255, 0.2);
}

/* Toggle button in dark mode */
html.dark-mode body .dark-mode-toggle {
  background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
  color: #f0c060;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}
html.dark-mode body .dark-mode-toggle:hover {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.6);
}

/* ===== Dark-mode anti-flash + orange accent ===== */
/* Paint the dark background on <html> before <body> styles load (no flash). */
html.dark-mode {
  background-color: #0e0e0e;
}

/* Orange nav bar in dark mode (DESI-blue in light mode, defined per page). */
html.dark-mode body .topnav {
  background-color: #e8a855;
}
html.dark-mode body .topnav a {
  color: #1a1a1a;
}
html.dark-mode body .topnav a:hover {
  background-color: #f0c060;
  color: #1a1a1a;
}
html.dark-mode body .topnav a.active {
  background-color: #d98c33;
  color: #1a1a1a;
}

/* Select-mode toggle: keep its "active" state orange too. */
html.dark-mode body #select-toggle.active {
  background-color: #d98c33;
  color: #1a1a1a;
}