:root {
  --r505-gold: #f2d16f;
  --r505-cyan: #68dcff;
  --r505-green: #74e7a1;
  --r505-red: #ff7b77;
  --r505-panel: rgba(3, 11, 16, .96);
  --r505-line: rgba(104, 220, 255, .29);
}

#r505-spaceflight-engineering > .r505-inner {
  width: min(80vw, 1800px);
  margin-inline: auto;
  padding-block: 1rem 1.5rem;
}

.r505-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr);
  gap: 1.2rem;
  align-items: end;
  margin-bottom: .8rem;
}

.r505-section-head h2,
.r505-section-head p { margin: 0; }
.r505-section-head .lead { color: #aec3cc; }

.r505-boundary {
  margin: .65rem 0;
  padding: .75rem .85rem;
  border: 1px solid rgba(242, 209, 111, .54);
  border-left: 4px solid var(--r505-gold);
  background: linear-gradient(90deg, rgba(242, 209, 111, .1), rgba(2, 9, 13, .9));
  color: #d8e4e8;
}
.r505-boundary strong { color: var(--r505-gold); }

.r505-kpis {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: .4rem;
  margin: .65rem 0;
}
.r505-kpis span {
  display: grid;
  gap: .16rem;
  min-width: 0;
  padding: .55rem;
  border: 1px solid var(--r505-line);
  background: var(--r505-panel);
}
.r505-kpis b { color: var(--r505-gold); font-size: 1rem; }
.r505-kpis small { color: #8fa7b1; }

.r505-panel,
.r505-disclosure {
  margin-top: .7rem;
  border: 1px solid rgba(242, 209, 111, .42);
  background: linear-gradient(145deg, rgba(4, 15, 21, .98), rgba(1, 6, 10, .98));
}
.r505-disclosure > summary {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .72rem .8rem;
  color: var(--r505-gold);
  cursor: pointer;
  list-style: none;
  font-weight: 750;
}
.r505-disclosure > summary::-webkit-details-marker { display: none; }
.r505-disclosure > summary small { color: #91abb5; font-weight: 500; }
.r505-disclosure[open] > summary { border-bottom: 1px solid rgba(242, 209, 111, .23); }
.r505-body { padding: .8rem; }

.r505-fleet-hero {
  position: relative;
  margin: 0 0 .75rem;
  overflow: hidden;
  border: 1px solid var(--r505-line);
  background: #010306;
}
.r505-fleet-hero img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.r505-fleet-hero figcaption {
  position: absolute;
  inset: auto 0 0;
  padding: .5rem .65rem;
  color: #cbdde4;
  background: linear-gradient(transparent, rgba(0, 4, 7, .96));
  font-size: .68rem;
}

.r505-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto auto;
  gap: .45rem;
  align-items: end;
  margin-bottom: .65rem;
}
.r505-controls label { display: grid; gap: .2rem; color: #9ab2bc; font-size: .68rem; }
.r505-controls select {
  min-height: 2.4rem;
  border: 1px solid var(--r505-line);
  border-radius: .25rem;
  color: #e7f5f8;
  background: #030b10;
}

.r505-fleet-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .55rem;
}
.r505-craft-card {
  min-width: 0;
  border: 1px solid rgba(104, 220, 255, .24);
  background: rgba(1, 7, 11, .94);
}
.r505-craft-visual {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-repeat: no-repeat;
  background-size: 500% 300%;
  background-color: #010306;
  border-bottom: 1px solid rgba(104, 220, 255, .2);
}
.r505-craft-card > div:last-child { padding: .58rem; }
.r505-craft-card h3 { margin: 0 0 .22rem; color: var(--r505-gold); font-size: .9rem; }
.r505-craft-card p { margin: .25rem 0; color: #b7cad2; font-size: .69rem; }
.r505-craft-meta { display: flex; flex-wrap: wrap; gap: .25rem; margin: .38rem 0; }
.r505-craft-meta span { padding: .2rem .3rem; border: 1px solid rgba(104,220,255,.18); color: #a9c2cc; font-size: .62rem; }
.r505-gate { display: grid; grid-template-columns: 1fr auto; gap: .35rem; align-items: center; margin-top: .42rem; }
.r505-gate-track { height: .34rem; overflow: hidden; background: #172129; }
.r505-gate-track i { display: block; height: 100%; background: linear-gradient(90deg, var(--r505-cyan), var(--r505-gold)); }
.r505-gate b { color: var(--r505-red); font-size: .62rem; }
.r505-craft-card details { margin-top: .45rem; border-top: 1px solid rgba(104,220,255,.14); }
.r505-craft-card summary { padding-top: .38rem; color: var(--r505-cyan); cursor: pointer; font-size: .66rem; }
.r505-craft-card dl { display: grid; grid-template-columns: minmax(6rem,.7fr) minmax(0,1.3fr); gap: .2rem .45rem; margin: .4rem 0 0; font-size: .65rem; }
.r505-craft-card dt { color: #819aa5; }
.r505-craft-card dd { margin: 0; color: #cfdee4; }

.r505-material-table,
.r505-archive-table { min-width: 1050px; width: 100%; border-collapse: collapse; font-size: .68rem; }
.r505-material-table th,
.r505-material-table td,
.r505-archive-table th,
.r505-archive-table td { padding: .43rem; border: 1px solid rgba(104,220,255,.17); text-align: left; vertical-align: top; }
.r505-material-table th,
.r505-archive-table th { color: var(--r505-gold); background: rgba(242,209,111,.07); }
.r505-table-wrap { overflow: auto; }

.r505-archive-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .7rem;
  align-items: center;
  margin-bottom: .55rem;
}
.r505-archive-status { color: #a9c1ca; }
.r505-archive-status[data-state="live"] { color: var(--r505-green); }
.r505-archive-status[data-state="error"] { color: var(--r505-red); }
.r505-candidate-note { margin: .5rem 0 0; color: #9eb5bf; font-size: .68rem; }

.r505-telescope-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr);
  gap: .7rem;
}
.r505-telescope-hero { margin: 0; border: 1px solid var(--r505-line); background: #010306; }
.r505-telescope-hero img { display: block; width: 100%; height: auto; aspect-ratio: 2.11 / 1; object-fit: cover; }
.r505-telescope-hero figcaption { padding: .45rem .55rem; color: #91aab4; font-size: .66rem; }
.r505-telescope-facts { display: grid; gap: .45rem; }
.r505-telescope-facts article { padding: .62rem; border: 1px solid rgba(104,220,255,.2); background: rgba(1,7,11,.9); }
.r505-telescope-facts h3 { margin: 0 0 .3rem; color: var(--r505-gold); }
.r505-telescope-facts p { margin: .22rem 0; color: #b7cad2; font-size: .69rem; }
.r505-publications { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .35rem; margin-top: .65rem; }
.r505-publications a { padding: .42rem; border: 1px solid rgba(104,220,255,.2); color: var(--r505-cyan); text-decoration: none; font-size: .67rem; }
.r505-publications a:hover,
.r505-publications a:focus-visible { border-color: var(--r505-gold); color: var(--r505-gold); }

.r505-live-clock { color: var(--r505-cyan); font: 700 .65rem/1.2 ui-monospace, Consolas, monospace; }
.r505-hidden { display: none !important; }

@media (max-width: 1100px) {
  #r505-spaceflight-engineering > .r505-inner { width: calc(100vw - 1.25rem); }
  .r505-section-head,
  .r505-telescope-grid { grid-template-columns: 1fr; }
  .r505-kpis { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .r505-fleet-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .r505-controls { grid-template-columns: repeat(3,minmax(0,1fr)); }
}

@media (max-width: 680px) {
  .r505-kpis,
  .r505-fleet-grid,
  .r505-controls,
  .r505-publications { grid-template-columns: 1fr; }
  .r505-section-head { align-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  .r505-gate-track i { transition: none; }
}