@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

/* ============================================================
   Spacepedia · Observatory
   A mission console for the whole catalog. Charcoal, hairline
   grid, monospace for measured data, one blue signal color.
   ============================================================ */

:root {
  --bg: #0a0c0f;
  --panel: #0e1116;
  --panel-2: #12161c;
  --line: #1f2530;
  --line-bright: #2c3542;
  --ink: #e6ebf1;
  --ink-dim: #9aa6b4;
  --ink-faint: #5f6b7a;
  --accent: #4da3ff;
  --accent-dim: #2f7fd4;
  --danger: #ff6b6b;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body, #root { height: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px;
  background-position: -1px -1px;
  overflow: hidden;
}
body::before {
  content: ''; position: fixed; inset: 0; z-index: 0;
  background: radial-gradient(120% 90% at 50% 0%, rgba(10,12,15,0.5), var(--bg) 70%);
  pointer-events: none;
}

/* ---- Loading ---- */
.boot-screen { width: 100vw; height: 100vh; background: #000; display: grid; place-items: center; }
.boot-screen video { width: 100%; height: 100%; object-fit: cover; }

/* ---- Shell ---- */
.shell { position: relative; z-index: 1; display: grid; grid-template-columns: 268px 1fr; height: 100vh; }

.side {
  border-right: 1px solid var(--line);
  background: rgba(10,12,15,0.9);
  display: flex; flex-direction: column;
  padding: 22px 0 0;
  overflow-y: auto;
}
.side::-webkit-scrollbar { width: 8px; }
.side::-webkit-scrollbar-thumb { background: var(--line-bright); border-radius: 20px; }
.side-head { padding: 0 22px 18px; border-bottom: 1px solid var(--line); }
.mark { display: flex; align-items: center; gap: 9px; cursor: pointer; }
.mark .glyph { display: block; width: 20px; height: 20px; border-radius: 6px; }
.mark .name { font-family: var(--mono); font-weight: 600; font-size: 13px; letter-spacing: 0.24em; }
.mark .name span { color: var(--ink-faint); }
.side-sub { margin-top: 8px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.13em; color: var(--ink-faint); text-transform: uppercase; }

.nav-label { padding: 18px 22px 8px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.2em; color: var(--ink-faint); }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 22px; cursor: pointer;
  border-left: 2px solid transparent;
  color: var(--ink-dim); transition: color 0.15s, background 0.15s;
}
.nav-item:hover { color: var(--ink); background: var(--panel); }
.nav-item.on { color: var(--ink); border-left-color: var(--accent); background: var(--panel); }
.nav-item .idx { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); width: 22px; }
.nav-item.on .idx { color: var(--accent); }
.nav-item .lab { flex: 1; font-size: 13.5px; }
.nav-item .ct { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); }

.side-links { padding: 6px 0 10px; }
.side-link {
  display: flex; align-items: center; gap: 11px; width: 100%;
  padding: 8px 22px; cursor: pointer; background: none; border: none;
  color: var(--ink-dim); font-family: var(--sans); font-size: 13px; text-align: left;
  transition: color 0.15s, background 0.15s;
}
.side-link:hover { color: var(--accent); background: var(--panel); }
.side-link .ic { font-size: 13px; width: 16px; text-align: center; }

.side-foot { margin-top: auto; padding: 14px 22px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 11px; color: var(--ink-faint); }
.side-foot .row { display: flex; justify-content: space-between; padding: 3px 0; }
.side-foot .row b { color: var(--accent-dim); font-weight: 500; }
.side-foot .credits { margin-top: 10px; background: none; border: none; padding: 0; color: var(--ink-faint); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em; cursor: pointer; text-decoration: underline; }
.side-foot .credits:hover { color: var(--ink-dim); }

/* ---- Main ---- */
.main { overflow-y: auto; }
.main::-webkit-scrollbar { width: 12px; }
.main::-webkit-scrollbar-thumb { background: var(--line-bright); border: 4px solid transparent; background-clip: content-box; border-radius: 20px; }

.topline {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 16px;
  padding: 14px 32px;
  border-bottom: 1px solid var(--line);
  background: rgba(10,12,15,0.94);
  backdrop-filter: blur(4px);
}
.crumb { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.08em; color: var(--ink-faint); }
.crumb b { color: var(--ink-dim); font-weight: 500; }
.top-spacer { flex: 1; }
.cmd { display: flex; align-items: center; gap: 9px; width: 320px; border: 1px solid var(--line-bright); background: var(--panel); padding: 8px 12px; }
.cmd .slash { font-family: var(--mono); color: var(--accent); font-size: 13px; }
.cmd input { flex: 1; background: none; border: none; outline: none; color: var(--ink); font-family: var(--mono); font-size: 12.5px; }
.cmd input::placeholder { color: var(--ink-faint); }

.content { padding: 32px 32px 90px; max-width: 1180px; }

/* ---- Masthead ---- */
.masthead { border-bottom: 1px solid var(--line); padding-bottom: 22px; margin-bottom: 28px; }
.masthead .kick { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; color: var(--accent); }
.masthead h1 { font-family: var(--sans); font-weight: 700; font-size: clamp(2rem, 4vw, 2.9rem); letter-spacing: -0.02em; margin: 12px 0 8px; }
.masthead p { color: var(--ink-dim); font-size: 15px; line-height: 1.6; max-width: 68ch; margin: 0; }

/* ---- Field report ---- */
.report { display: grid; grid-template-columns: 320px 1fr; border: 1px solid var(--line); background: var(--panel); }
.report-media { position: relative; border-right: 1px solid var(--line); overflow: hidden; min-height: 260px; background: var(--panel-2); }
.report-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.report-media .tag { position: absolute; left: 0; top: 14px; background: var(--accent); color: #10130a; font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: 0.12em; padding: 4px 10px; z-index: 2; }
.report-body { padding: 24px 26px; display: flex; flex-direction: column; }
.report-body .rec { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); letter-spacing: 0.1em; }
.report-body h2 { font-family: var(--sans); font-weight: 700; font-size: 30px; letter-spacing: -0.02em; margin: 8px 0 6px; cursor: pointer; }
.report-body h2:hover { color: var(--accent); }
.report-body .lede { color: var(--ink-dim); font-size: 14.5px; line-height: 1.65; margin: 0 0 18px; max-width: 64ch; }
.datastrip { display: flex; flex-wrap: wrap; gap: 0; border-top: 1px solid var(--line); margin-top: auto; }
.datastrip .cell { flex: 1 1 33%; padding: 12px 0; border-right: 1px solid var(--line); min-width: 120px; }
.datastrip .cell:last-child { border-right: none; }
.datastrip .k { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); }
.datastrip .v { font-family: var(--mono); font-size: 13.5px; color: var(--accent); margin-top: 4px; }

/* ---- Section label ---- */
.slabel { display: flex; align-items: center; gap: 14px; margin: 38px 0 14px; }
.slabel h3 { font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; color: var(--ink-dim); margin: 0; text-transform: uppercase; }
.slabel .rule { flex: 1; height: 1px; background: var(--line); }
.slabel .n { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); }

/* ---- Catalog table ---- */
.tbl { border: 1px solid var(--line); border-bottom: none; }
.trow {
  display: grid; grid-template-columns: 78px 52px 1fr 190px 96px; align-items: center;
  gap: 16px; padding: 0 18px; height: 60px;
  border-bottom: 1px solid var(--line); cursor: pointer;
  transition: background 0.12s;
}
.trow:hover { background: var(--panel); }
.trow.head { height: 33px; background: var(--panel-2); cursor: default; }
.trow.head span { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--ink-faint); text-transform: uppercase; }
.trow .desig { font-family: var(--mono); font-size: 12px; color: var(--accent-dim); }
.thumb { width: 40px; height: 40px; object-fit: cover; border: 1px solid var(--line-bright); background: var(--panel-2); }
.thumb.blank { display: grid; place-items: center; }
.thumb.blank::after { content: '—'; color: var(--ink-faint); font-family: var(--mono); font-size: 13px; }
.trow .nm { font-weight: 600; font-size: 14.5px; min-width: 0; }
.trow .nm small { display: block; font-weight: 400; color: var(--ink-dim); font-size: 12px; margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.trow .cls { font-family: var(--mono); font-size: 12px; color: var(--ink-dim); }
.trow .go { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); text-align: right; letter-spacing: 0.08em; display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.trow:hover .go { color: var(--accent); }
.mini-fav { background: none; border: none; cursor: pointer; color: var(--ink-faint); font-size: 14px; padding: 0; line-height: 1; }
.mini-fav:hover { color: var(--accent); }
.mini-fav.on { color: var(--accent); }

/* ---- Category cards on home ---- */
.catgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(232px, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.catcell {
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 18px; cursor: pointer; min-height: 132px;
  display: flex; flex-direction: column; transition: background 0.14s;
}
.catcell:hover { background: var(--panel); }
.catcell .cn { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--ink-faint); }
.catcell .ct { font-family: var(--sans); font-weight: 700; font-size: 20px; margin: 6px 0 4px; letter-spacing: -0.01em; }
.catcell .cd { color: var(--ink-dim); font-size: 12.5px; line-height: 1.5; }
.catcell .bar { margin-top: auto; display: flex; align-items: baseline; gap: 8px; }
.catcell .bar b { font-family: var(--mono); font-size: 22px; color: var(--accent); font-weight: 500; }
.catcell .bar span { font-family: var(--mono); font-size: 10px; color: var(--ink-faint); letter-spacing: 0.1em; }

/* ---- Detail ---- */
.back { display: inline-flex; align-items: center; gap: 8px; background: none; border: none; cursor: pointer; color: var(--ink-dim); font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.08em; padding: 0; margin-bottom: 22px; }
.back:hover { color: var(--accent); }

.rec-head { display: flex; align-items: baseline; gap: 16px; border-bottom: 1px solid var(--line); padding-bottom: 16px; flex-wrap: wrap; }
.rec-head .id { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.1em; }
.rec-head .cl { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); letter-spacing: 0.1em; }
.det-name { font-family: var(--sans); font-weight: 700; font-size: clamp(2.2rem, 4vw, 3rem); letter-spacing: -0.02em; margin: 20px 0 6px; }
.det-tag { color: var(--ink-dim); font-size: 16px; margin: 0 0 26px; }

.det-grid { display: grid; grid-template-columns: 1fr 380px; gap: 0; border: 1px solid var(--line); }
.det-summary { padding: 26px 28px; border-right: 1px solid var(--line); }
.det-summary .lb { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; color: var(--ink-faint); text-transform: uppercase; }
.det-summary p { font-size: 15.5px; line-height: 1.78; color: #cfd7e0; margin: 14px 0 0; max-width: 66ch; white-space: pre-line; }
.det-figure { position: relative; background: var(--panel-2); min-height: 260px; }
.det-figure img { width: 100%; height: 100%; object-fit: cover; display: block; position: absolute; inset: 0; }
.det-figure .noimg { position: absolute; inset: 0; display: grid; place-items: center; color: var(--ink-faint); font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; }

.spec-title { display: flex; justify-content: space-between; padding: 12px 20px; background: var(--panel-2); border: 1px solid var(--line); border-bottom: none; margin-top: 26px; }
.spec-title span { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--ink-dim); text-transform: uppercase; }
.spec-title b { font-family: var(--mono); font-size: 11px; color: var(--accent); font-weight: 500; }
.spec { border: 1px solid var(--line); border-top: none; }
.spec .srow { display: grid; grid-template-columns: 240px 1fr; border-bottom: 1px solid var(--line); }
.spec .srow:last-child { border-bottom: none; }
.spec .sk { padding: 14px 20px; font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-faint); border-right: 1px solid var(--line); }
.spec .sv { padding: 14px 20px; font-family: var(--mono); font-size: 14px; color: var(--ink); }

.fav-btn { margin-left: auto; background: none; border: 1px solid var(--line-bright); color: var(--ink-dim); font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; padding: 7px 14px; cursor: pointer; transition: all 0.15s; }
.fav-btn:hover { border-color: var(--accent-dim); color: var(--accent); }
.fav-btn.on { border-color: var(--accent); color: var(--accent); }

/* ---- News ---- */
.news-actions { display: flex; gap: 12px; align-items: center; margin-bottom: 24px; }
.btn-accent { background: var(--accent); color: #10130a; border: none; font-family: var(--mono); font-size: 11px; font-weight: 600; letter-spacing: 0.08em; padding: 9px 16px; cursor: pointer; }
.btn-accent:disabled { opacity: 0.6; cursor: default; }
.btn-line { background: none; border: 1px solid var(--line-bright); color: var(--ink-dim); font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; padding: 9px 16px; cursor: pointer; }
.btn-line:hover { border-color: var(--accent-dim); color: var(--accent); }
.apod { border: 1px solid var(--line); background: var(--panel); margin-bottom: 26px; }
.apod img { width: 100%; max-height: 460px; object-fit: cover; display: block; }
.apod-body { padding: 20px 24px; }
.apod-body .k { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--accent); text-transform: uppercase; }
.apod-body h2 { margin: 8px 0 10px; font-weight: 700; }
.apod-body p { color: var(--ink-dim); font-size: 14px; line-height: 1.7; margin: 0; }
.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.news-card { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); cursor: pointer; display: flex; flex-direction: column; transition: background 0.15s; }
.news-card:hover { background: var(--panel); }
.news-card img { width: 100%; height: 160px; object-fit: cover; }
.news-card .body { padding: 15px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.news-card .meta { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 10.5px; color: var(--accent-dim); letter-spacing: 0.05em; }
.news-card h3 { margin: 0; font-size: 15px; line-height: 1.35; }
.news-card p { margin: 0; color: var(--ink-dim); font-size: 13px; line-height: 1.55; }
.news-card .more { font-family: var(--mono); font-size: 11px; color: var(--accent); margin-top: auto; }

/* ---- Credits ---- */
.credit-tbl { border: 1px solid var(--line); border-bottom: none; }
.credit-row { display: grid; grid-template-columns: 1fr 1.4fr 130px 90px; gap: 14px; padding: 12px 18px; border-bottom: 1px solid var(--line); align-items: center; }
.credit-row.head { background: var(--panel-2); }
.credit-row.head span { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--ink-faint); text-transform: uppercase; }
.credit-row .nm { font-weight: 600; font-size: 13.5px; }
.credit-row .au { color: var(--ink-dim); font-size: 12.5px; }
.credit-row .li { font-family: var(--mono); font-size: 11.5px; color: var(--ink-dim); }
.credit-row .lk { font-family: var(--mono); font-size: 11px; color: var(--accent); cursor: pointer; text-align: right; }
.credit-row .lk:hover { text-decoration: underline; }

.empty { font-family: var(--mono); color: var(--ink-faint); font-size: 13px; padding: 50px 0; text-align: center; letter-spacing: 0.05em; }
.status-line { font-family: var(--mono); color: var(--ink-dim); font-size: 13px; padding: 40px 0; text-align: center; }
.status-line.err { color: var(--danger); }

/* boot fade for rows */
.boot > * { animation: boot 0.45s ease-out both; }
.boot > *:nth-child(2){animation-delay:.02s}.boot > *:nth-child(3){animation-delay:.04s}
.boot > *:nth-child(4){animation-delay:.06s}.boot > *:nth-child(5){animation-delay:.08s}
.boot > *:nth-child(6){animation-delay:.10s}.boot > *:nth-child(7){animation-delay:.12s}
.boot > *:nth-child(n+8){animation-delay:.14s}
@keyframes boot { from { opacity: 0; transform: translateX(-6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .boot > * { animation: none; } }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .side { display: none; }
  .report, .det-grid { grid-template-columns: 1fr; }
  .det-summary { border-right: none; border-bottom: 1px solid var(--line); }
  .trow { grid-template-columns: 64px 1fr 84px; }
  .trow .thumb, .trow .cls { display: none; }
  .spec .srow { grid-template-columns: 1fr 1fr; }
  .credit-row { grid-template-columns: 1fr 1fr; }
  .credit-row .li, .credit-row .lk { display: none; }
}

/* ---- Boot overlay (web build: the loader sits over the shell
       rather than replacing it, then removes itself) ---- */
.boot-screen { position: fixed; inset: 0; z-index: 50; }

/* ---- Install prompt (PWA) ----
       Only ever unhidden by index.html once the browser says the app
       actually qualifies for installation. ---- */
.install-pill {
  position: fixed; z-index: 60;
  right: 20px; bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 16px 10px 10px;
  font-family: var(--mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink); cursor: pointer;
  background: var(--panel-2);
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  box-shadow: 0 12px 34px -12px rgba(0, 0, 0, 0.9);
  animation: install-in 0.4s ease-out both;
  transition: border-color 0.2s, color 0.2s, transform 0.15s;
}
.install-pill:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.install-pill:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }
.install-pill img { border-radius: 6px; display: block; }
.install-pill[hidden] { display: none; }
@keyframes install-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .install-pill { animation: none; } }

/* Once installed there's no browser chrome to escape from — hide it. */
@media (display-mode: standalone) { .install-pill { display: none !important; } }

@media (max-width: 560px) {
  .install-pill { right: 12px; left: 12px; justify-content: center; }
}