/* Keep the terminal identity; improve reading and give the network its own stage. */
:root { --ink-muted: #a4a4b6; }
.ide-window { border-color: rgba(167,139,250,.18); box-shadow: 0 0 90px rgba(139,92,246,.065); }
.ide-window .section-head h2 { font-size: 1.3rem !important; }
.ide-window .section-lead { line-height: 1.9; }
.ide-tab { letter-spacing: 0; text-transform: none; }
.ide-tab[aria-current="page"] { background: rgba(167,139,250,.10); color: var(--brand-light); }
.ide-tab.is-active { background: transparent; }
.teaching-shortcut { display: inline-block; color: var(--teal); margin: .3rem 0 1.2rem; font-size: .82rem; text-underline-offset: 4px; }
.teaching-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; }
.teaching-card { position: relative; padding: 1.5rem; border: 1px solid rgba(45,212,191,.22); border-radius: .5rem; background: linear-gradient(135deg,rgba(45,212,191,.05),rgba(167,139,250,.035)); display: flex; flex-direction: column; transition: transform .2s,border-color .2s; }
.teaching-card:nth-child(2) { border-color: rgba(167,139,250,.3); }
.teaching-card:nth-child(3) { border-color: rgba(251,191,36,.25); }
.teaching-card:hover { transform: translateY(-4px); border-color: var(--teal); }
.ide-window .academic-eyebrow { font-size: .65rem; color: var(--teal); letter-spacing: .08em; text-transform: uppercase; }
.teaching-card h3 { margin: 1rem 0 .8rem; color: var(--ink); font-size: 1.05rem !important; }
.teaching-card > p:not(.academic-eyebrow) { font-size: .78rem; line-height: 1.85; margin-bottom: 1.5rem; }
.teaching-links { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: auto; }
.teaching-links a { color: var(--teal); font-size: .75rem; text-underline-offset: 4px; }
.publication-guide { font-size: .8rem; margin-bottom: 1.25rem; }
.publication-guide a { color: var(--brand-light); text-underline-offset: 3px; }
.ide-window .pub-authors { font-size: .75rem; color: var(--ink-muted); margin: .6rem 0; }
.pub-hash, .pub-head { display: none; }
.globe-card { overflow: hidden; background: radial-gradient(ellipse at 30% 40%,rgba(45,212,191,.06),transparent 65%),radial-gradient(ellipse at 65% 20%,rgba(167,139,250,.07),transparent 60%) !important; }
.partnership-map-heading { display: flex; align-items: center; gap: .7rem; font-size: .72rem; color: var(--teal); padding-bottom: .8rem; border-bottom: 1px solid var(--line); }
.map-live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 12px var(--teal); }
.map-projection { margin-left: auto; font-size: .6rem; color: var(--ink-muted); }
#partnership-map { display: block; width: 100%; height: auto; }
.map-land { fill: rgba(167,139,250,.055); stroke: rgba(167,139,250,.38); stroke-width: .8; }
.map-grid { stroke: rgba(167,139,250,.09); stroke-width: .6; fill: none; }
.map-route { fill: none; stroke-width: 1.8; opacity: .65; stroke-dasharray: 5 5; animation: map-flow 24s linear infinite; }
.map-route.is-highlighted { opacity: 1; stroke-width: 3; }
.map-pin-halo { fill: none; stroke-width: 1; opacity: .4; }
.map-pin.is-highlighted .map-pin-halo { stroke-width: 3; opacity: .9; }
.map-label { font: 600 11px "JetBrains Mono",monospace; fill: var(--ink); paint-order: stroke; stroke: #181b26; stroke-width: 4px; stroke-linejoin: round; }
.map-label-leader { stroke: rgba(230,237,243,.3); stroke-width: .7; fill: none; }
.ide-window .map-help { font-size: .72rem; color: var(--ink-muted); }
.globe-legend { grid-template-columns: repeat(auto-fit,minmax(235px,1fr)); }
.globe-legend-item { display: block; }
.map-institution { width: 100%; display: flex; align-items: center; gap: .6rem; padding: .65rem .7rem; font: inherit; font-size: .72rem; color: var(--ink); background: rgba(255,255,255,.02); border: 1px solid transparent; border-radius: .35rem; text-align: left; cursor: pointer; }
.map-institution[aria-pressed="true"], .map-institution:hover { border-color: rgba(167,139,250,.4); background: rgba(167,139,250,.07); }
.map-institution .globe-legend-place { display: block; font-size: .62rem; margin-top: .15rem; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--brand-light); outline-offset: 4px; }
@keyframes map-flow { to { stroke-dashoffset: -200; } }
@media(max-width:768px) { .teaching-grid { grid-template-columns: 1fr; } .map-label, .map-label-leader { display: none; } .globe-card { padding: .8rem; } .partnership-map-heading { font-size: .6rem; } .map-projection { font-size: .5rem; } }
@media(prefers-reduced-motion:reduce) { .map-route { animation: none; } .teaching-card { transition: none; } .js .reveal { opacity: 1; transform: none; } }

/* ═══════════════════════════════════════════
   RETRO-ACADEMIC COMPUTING ENHANCEMENTS
═══════════════════════════════════════════ */

/* CRT scanline overlay */
.ide-window::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  border-radius: inherit;
}

/* Phosphor glow for key headings */
.ide-window h2::after {
  content: "";
  display: block;
  width: 3ch;
  height: 2px;
  margin-top: 0.4rem;
  background: var(--brand);
  box-shadow: 0 0 6px var(--brand), 0 0 12px rgba(167, 139, 250, 0.3);
}

/* Academic serif for h2 section titles */
.ide-window .section-head h2 {
  font-family: "Newsreader", "Georgia", serif !important;
  letter-spacing: 0.01em;
  font-size: 1.4rem !important;
}

/* LaTeX-style equation block */
.latex-block {
  border: 1px dashed rgba(167, 139, 250, 0.3);
  border-left: 3px solid var(--brand);
  background: rgba(167, 139, 250, 0.04);
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  font-size: 0.85rem;
  position: relative;
}
.latex-block::before {
  content: "$$";
  position: absolute;
  top: -0.55rem;
  left: 0.6rem;
  background: var(--surface);
  padding: 0 0.3rem;
  font-size: 0.7rem;
  color: var(--brand);
}
.latex-block .eq-label {
  font-size: 0.65rem;
  color: var(--ink-muted);
  margin-top: 0.4rem;
}
.latex-block .eq-math {
  font-family: "Newsreader", serif;
  font-size: 1.05rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

/* ASCII art section separator */
.ascii-sep {
  text-align: center;
  color: var(--ink-muted);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  padding: 0.5rem 0;
  opacity: 0.6;
  user-select: none;
}
.ascii-sep .sep-glow {
  color: var(--brand);
  text-shadow: 0 0 8px rgba(167, 139, 250, 0.4);
}

/* Retro "machine-readable" badge */
.mach-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.58rem;
  color: var(--teal);
  border: 1px solid rgba(45, 212, 191, 0.25);
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.mach-badge .blink-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal);
  animation: mach-blink 2s ease-in-out infinite;
}
@keyframes mach-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

/* Retro status line */
.retro-status {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.6rem;
  color: var(--ink-muted);
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.75rem;
}
.retro-status .status-ok {
  color: var(--teal);
}
.retro-status .status-time {
  color: var(--accent);
}

/* LaTeX-style citation */
.cite-ref {
  font-size: 0.65rem;
  color: var(--brand-light);
  vertical-align: super;
  cursor: pointer;
  text-decoration: none;
}
.cite-ref:hover {
  text-decoration: underline;
  text-shadow: 0 0 6px var(--brand);
}

/* Fortune-style system message */
.fortune-msg {
  font-size: 0.7rem;
  color: var(--accent);
  border-left: 2px solid var(--accent);
  padding: 0.5rem 0.75rem;
  margin: 1rem 0;
  font-style: italic;
}
.fortune-msg::before {
  content: "> fortune\n";
  color: var(--ink-muted);
  font-style: normal;
  font-size: 0.6rem;
  display: block;
}

/* Dot-matrix pattern decoration */
.dot-deco {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-image: radial-gradient(circle, var(--brand) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: 0.4;
  vertical-align: middle;
}

/* Typewriter accent for hero */
.hero-typewriter-accent {
  display: inline-block;
  animation: typewriter-blink 1s step-end infinite;
}
@keyframes typewriter-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Retro terminal prompt arrow */
.term-arrow {
  display: inline-block;
  color: var(--teal);
  text-shadow: 0 0 4px var(--teal);
  animation: term-pulse 3s ease-in-out infinite;
}
@keyframes term-pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

/* Academic paper-style abstract box */
.abstract-box {
  border: 1px solid rgba(167, 139, 250, 0.15);
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.03), rgba(45, 212, 191, 0.02));
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  font-size: 0.78rem;
  line-height: 1.8;
}
.abstract-box .abs-title {
  font-family: "Newsreader", serif;
  font-size: 0.95rem;
  color: var(--brand-light);
  margin-bottom: 0.5rem;
}
.abstract-box .abs-authors {
  font-size: 0.68rem;
  color: var(--ink-muted);
  margin-bottom: 0.4rem;
}

/* Retro "loading" spinner for dynamic content */
.retro-spinner {
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 2px solid var(--line);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: retro-spin 0.8s linear infinite;
}
@keyframes retro-spin {
  to { transform: rotate(360deg); }
}

/* Subtle page vignette (retro monitor effect) */
.ide-window::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 99;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0, 0, 0, 0.15) 100%);
  border-radius: inherit;
}

@media(prefers-reduced-motion:reduce) {
  .mach-badge .blink-dot { animation: none; }
  .term-arrow { animation: none; }
  .retro-spinner { animation: none; }
  .ide-window::before, .ide-window::after { display: none; }
}

/* CubeSat animation container */
.hero-cubesat {
  position: absolute;
  top: 8rem;
  /* Inset slightly farther than the centered container edge. */
  right: calc(max(0px, (100% - 1240px) / 2) + 2rem);
  bottom: 1rem;
  width: calc(min(38rem, 46vw) - 6rem);
  z-index: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-cubesat.hero-window-front {
  z-index: 2;
}
.hero-cubesat .tetris-window {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.hero-cubesat .tetris-titlebar,
.hero-cubesat .tetris-statusbar {
  flex-shrink: 0;
}
#cubesat-svg,
#cubesat-canvas {
  flex: 1;
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  object-fit: contain;
  shape-rendering: geometricPrecision;
  image-rendering: auto;
  /* Own compositor layer + paint isolation: per-frame SVG repaints stay
     inside this layer instead of invalidating the page and the
     .ide-window scanline/vignette overlays stacked above it. */
  will-change: transform;
  transform: translateZ(0);
  contain: layout paint;
}

#cubesat-canvas {
  transform: none;
}

/* Responsive adjustments for CubeSat */
@media (max-width: 1024px) {
  .hero-cubesat {
    width: calc(min(28rem, 38vw) - 6rem);
    opacity: 0.64;
  }
}
@media (max-width: 768px) {
  .hero-cubesat {
    display: none;
  }
}

/* Additional retro-academic polish */

/* Subtle glow on interactive elements */
.jcard:hover,
.teaching-card:hover {
  box-shadow: 0 0 20px rgba(167, 139, 250, 0.08), 0 0 40px rgba(45, 212, 191, 0.04);
}

/* Academic paper-style abstract box refinement */
.abstract-box {
  border-left-width: 3px;
}

/* LaTeX block hover effect */
.latex-block:hover {
  border-color: rgba(167, 139, 250, 0.5);
  background: rgba(167, 139, 250, 0.06);
}

/* Fortune message refinement */
.fortune-msg:hover {
  border-left-color: var(--accent-soft);
  background: rgba(251, 191, 36, 0.04);
}

/* Section head h2 serif font fallback */
.section-head h2 {
  font-family: "Newsreader", "Georgia", "Times New Roman", serif;
}

/* Mach badge hover */
.mach-badge:hover {
  border-color: rgba(45, 212, 191, 0.5);
  background: rgba(45, 212, 191, 0.06);
}

/* ASCII separator hover */
.ascii-sep:hover .sep-glow {
  text-shadow: 0 0 12px var(--brand), 0 0 24px rgba(167, 139, 250, 0.3);
}

/* Dot deco animation */
.dot-deco {
  /* Static glow + opacity-only pulse: runs on the compositor, no repaints. */
  text-shadow: 0 0 4px var(--brand);
  animation: dot-pulse 4s ease-in-out infinite;
}
.dot-deco:nth-child(2) { animation-delay: 0.5s; }
.dot-deco:nth-child(3) { animation-delay: 1s; }
@keyframes dot-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

/* Tetris ASCII titlebar */
.tetris-ascii {
  font-size: 0.55rem;
  color: var(--ink-muted);
  margin-right: auto;
}

/* ── Citation button & APA block ─────────────────────────────── */
.cite-btn {
  background: none;
  border: 1px solid rgba(45, 212, 191, 0.2);
  color: var(--teal);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-left: auto;
  flex-shrink: 0;
}
.cite-btn:hover {
  background: rgba(45, 212, 191, 0.08);
  border-color: var(--teal);
  box-shadow: 0 0 6px rgba(45, 212, 191, 0.2);
}
.cite-btn.copied {
  color: #4ade80;
  border-color: #4ade80;
}

.pub-citation-block {
  margin-top: 0.5rem;
  padding: 0.6rem 0.75rem;
  background: rgba(167, 139, 250, 0.04);
  border-left: 2px solid var(--brand-light);
  font-size: 0.72rem;
  line-height: 1.7;
}
.pub-citation-block.hidden {
  display: none;
}
.citation-apa .t-comment {
  font-size: 0.6rem;
  color: var(--ink-muted);
  display: block;
  margin-bottom: 0.25rem;
}
.citation-apa p {
  margin: 0;
  color: var(--ink);
  font-family: "Newsreader", Georgia, serif;
}
.citation-apa em {
  font-style: italic;
  color: var(--brand-light);
}

/* ── Retro boot sequence overlay ─────────────────────────────── */
#boot-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #050510;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "JetBrains Mono", monospace;
  transition: opacity 0.6s ease;
}
#boot-overlay.boot-fade {
  opacity: 0;
  pointer-events: none;
}
#boot-overlay.boot-done {
  display: none;
}
#boot-terminal {
  width: min(720px, 90vw);
  max-height: 80vh;
  overflow-y: auto;
  padding: 1.5rem;
}
.boot-line {
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--teal);
  opacity: 0;
  white-space: pre-wrap;
  word-break: break-all;
}
.boot-line.visible {
  opacity: 1;
}
.boot-line .boot-ok { color: #4ade80; }
.boot-line .boot-warn { color: #fbbf24; }
.boot-line .boot-sys { color: var(--brand-light); }
.boot-line .boot-punc { color: var(--ink-muted); }

/* Toggled by main.js for sections outside the viewport. */
.anim-paused,
.anim-paused * {
  animation-play-state: paused !important;
}