/* The observatory page: hero, spine, chapters, the trio, the vector instruments, the parts, the ledger, the pixel.
   Tokens from observatory.css. Instrument modules carry their own scoped styles. */

/* the spine: a rail of rings on wide screens that says where you are */
.spine { position: fixed; left: 18px; top: 50%; transform: translateY(-50%); display: none; flex-direction: column; gap: 14px; z-index: 5; }
.spine a { display: flex; align-items: center; gap: 10px; color: var(--faint); font-size: 12px; text-decoration: none; }
.spine .ring { width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid var(--faint); background: transparent; transition: background 300ms, border-color 300ms, transform 300ms; flex: none; }
.spine a:hover .ring, .spine a.active .ring { border-color: var(--gold); }
.spine a.active .ring { background: var(--gold); transform: scale(1.15); }
.spine .name { opacity: 0; transform: translateX(-4px); transition: opacity 200ms, transform 200ms; }
.spine:hover .name, .spine a:focus-visible .name, .spine a.active .name { opacity: 1; transform: none; }
.spine a.active .name { color: var(--ink); }
@media (min-width: 1400px) { .spine { display: flex; } }   /* narrower than this the rail's names run into the panels */

/* the hero */
.hero { padding: 18px 0 40px; }
.hero-sky { padding-top: 0; }
.sky-hero.obs-sky > .forAnyone { display: none; }
.sky-hero.obs-sky { border: none; background: transparent; padding: 0; margin: 0; box-shadow: none; }
.sky-hero .sky-stage { box-shadow: inset 0 0 90px rgba(0, 0, 0, 0.5), 0 18px 48px rgba(0, 0, 0, 0.35); }
.sky-hero .sky-stage { height: clamp(460px, 78vh, 900px); border-radius: var(--radius); }
.hero-text { margin-top: 36px; }
.kicker { margin: 0 0 10px; color: var(--faint); font-size: 14px; }
.hero h1 { margin-bottom: 20px; }
.lede { font-size: 22px; line-height: 1.5; }
.thread { list-style: none; margin: 24px 0 18px; padding: 0; display: grid; gap: 10px; }
.thread li { font-family: var(--font-read); font-size: 18px; line-height: 1.45; padding-left: 26px; position: relative; color: var(--muted); }
.thread li b { color: var(--ink); font-weight: 500; }
.thread li::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid var(--gold); }
.thread li:nth-child(2)::before { border-color: var(--aqua); }
.thread li:nth-child(3)::before { border-color: var(--lilac); }
kbd { font-family: var(--font-num); font-size: 12px; padding: 1px 6px; border: 1px solid var(--line2); border-radius: 4px; background: var(--panel2); }

/* chapters */
.chapter { padding: 56px 0 28px; border-top: 1px solid var(--line); }
.chapterMark { margin: 0 0 12px; color: var(--faint); font-size: 14px; display: flex; align-items: center; gap: 10px; }
.chapterMark .ring { width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid var(--gold); display: inline-block; }
#machines .chapterMark .ring { border-color: var(--aqua); }
#problems .chapterMark .ring { border-color: var(--lilac); }
#honest .chapterMark .ring { border-color: var(--cobalt); }
#ledger .chapterMark .ring { border-color: var(--paper); }
.chapter h2 { margin-bottom: 18px; }
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 34px 0 8px; padding: 18px 0 0; border-top: 1px solid var(--line); }
.trio dt { font-family: var(--font-read); font-style: italic; font-size: 18px; color: var(--gold); margin-bottom: 6px; }
.trio div:nth-child(2) dt { color: var(--aqua); }
.trio div:nth-child(3) dt { color: var(--lilac); }
.trio dd { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; }
@media (max-width: 700px) { .trio { grid-template-columns: 1fr; gap: 14px; } }
.moves { padding-left: 22px; }
.moves li { margin-bottom: 10px; }
.instrument-group .instrument { margin: 28px 0; }

/* the vector instruments */
.presets { margin-bottom: 10px; }
.presets button { padding: 5px 10px; font-size: 13px; color: var(--muted); }
.presets button:hover { color: var(--ink); }
.eq .op, .row .op { color: var(--faint); font-size: 14px; }
input.wide { flex: 1 1 260px; }
.arithOut { margin-top: 12px; min-height: 2em; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chip { display: inline-flex; align-items: baseline; gap: 6px; padding: 5px 10px; border: 1px solid var(--line2); border-radius: 999px; background: var(--panel2); color: var(--ink); font-size: 15px; cursor: pointer; }
.chip:hover { border-color: var(--gold); }
.chip .num { color: var(--muted); font-size: 12px; }
.chip.first { border-color: var(--gold); color: var(--gold); }
.axesOut svg, .climbOut svg, .wireOut svg { display: block; width: 100%; height: auto; }
.axesOut, .climbOut, .walkOut, .wireOut { margin-top: 12px; }
.climbOut .steps, .walkOut .steps { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 4px; margin-top: 10px; font-size: 15px; }
.climbOut .steps .arrow, .walkOut .steps .arrow { color: var(--faint); }
.walkOut .steps .loop { border-color: var(--lilac); color: var(--lilac); }
.climbOut .steps .peak { border-color: var(--gold); color: var(--gold); }
.inst-note { color: var(--muted); font-size: 14px; margin-top: 8px; }

/* the parts: nested boxes */
.parts { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 20px; }
@media (max-width: 860px) { .parts { grid-template-columns: 1fr; } }
.nest .box { border: 1px solid var(--line2); border-radius: 10px; padding: 10px 12px 12px; margin-top: 10px; position: relative; }
.nest .box > .lab { display: block; font-size: 14px; color: var(--ink); font-weight: 500; }
.nest .box > .what { display: block; font-size: 13px; color: var(--muted); margin-top: 2px; max-width: 48ch; }
.nest .service { border-color: var(--cobalt); margin-top: 0; }
.nest .deployment { border-color: var(--line2); }
.nest .replicaset { border-color: var(--gold); }
.nest .pods { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.nest .pod { flex: 1 1 140px; border-color: var(--aqua); margin-top: 0; }
.nest .container { border-style: dashed; margin-top: 8px; padding: 8px 10px; }
.plane { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; align-content: start; }
.plane li { font-size: 14.5px; line-height: 1.5; color: var(--muted); }
.plane b { color: var(--ink); font-weight: 500; }
.plane .k { font-family: var(--font-num); font-size: 12px; color: var(--faint); margin: 0 6px 0 4px; }

/* the ledger */
table.ledger { width: 100%; border-collapse: collapse; margin: 10px 0 30px; font-size: 14px; }
table.ledger th { text-align: left; font-weight: 500; color: var(--faint); padding: 8px 10px; border-bottom: 1px solid var(--line2); }
table.ledger td { vertical-align: top; padding: 10px; border-bottom: 1px solid var(--line); color: var(--muted); line-height: 1.5; }
table.ledger td:first-child { color: var(--ink); }
table.ledger td.num { color: var(--ink); white-space: nowrap; }
@media (max-width: 700px) {
  table.ledger thead { display: none; }
  table.ledger tr { display: grid; grid-template-columns: 1fr; padding: 10px 0; border-bottom: 1px solid var(--line); }
  table.ledger td { border: none; padding: 2px 0; }
  table.ledger td.num { white-space: normal; }
}
.foot { padding: 20px var(--gutter) 70px; color: var(--muted); font-size: 15px; }
.foot .sig { font-family: var(--font-read); font-style: italic; font-size: 20px; color: var(--ink); }

/* the magic pixel: a gold dot that is a door. On this page it is the full stop that ends the first sentence. */
.pixel { display: inline-block; width: 5px; height: 5px; background: var(--gold); border-radius: 1px; box-shadow: 0 0 6px var(--gold); vertical-align: baseline; margin-left: 1px; position: relative; top: -1px; animation: twinkle 8s ease-in-out infinite; }
.pixel::after { content: ""; position: absolute; inset: -10px; }
.pixel:hover, .pixel:focus-visible { box-shadow: 0 0 10px var(--gold), 0 0 20px var(--gold); outline: none; }
@keyframes twinkle { 0%, 88%, 100% { opacity: 1; } 92% { opacity: 0.25; } 96% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .pixel { animation: none; } }
.pixel-tip { position: fixed; z-index: 20; padding: 6px 10px; background: var(--panel2); border: 1px solid var(--line2); border-radius: var(--radius-s); color: var(--ink); font-size: 13px; pointer-events: none; opacity: 0; transition: opacity 150ms; }
.pixel-tip.on { opacity: 1; }

/* the sky's numbers, folded under the hero text */
.skyNumbers { margin-top: 18px; color: var(--muted); font-size: 14px; }
.skyNumbers summary { cursor: pointer; color: var(--faint); }
.skyNumbers summary:hover { color: var(--ink); }
.skyNumbers .numbers { margin: 10px 0 0; padding: 0; border: none; }

/* the wells: the whole sky's count sits under the walk's own numbers as a second paragraph */
#wellsNumbers { margin: 10px 0 0; }
.wellsOut .well-note b { color: var(--ink); font-weight: 600; }

/* the brand row above the sky: Quiet Boring Research's mark and wordmark, as on qbr.dev */
.brandbar { display: flex; align-items: center; justify-content: space-between; padding: 16px 0 14px; margin-bottom: 14px; border-bottom: 1px solid var(--line); }
.brandbar-right { font-family: var(--font-num); font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--faint); }
.brand { display:inline-flex; align-items:center; gap:9px; color:var(--ink); text-decoration:none; font-family:'Azeret Mono',ui-monospace,monospace; font-size:13px; letter-spacing:0.32em; opacity:0.85; }
.brand:hover { opacity:1; color:var(--gold); }
.brand .qbr-mark { flex:none; }