:root {
  --ink: #ebe7dc;
  --muted: #9d9b92;
  --void: #0b0d0c;
  --panel: #121513;
  --raised: #191d1a;
  --line: #30362f;
  --acid: #c8ff4d;
  --amber: #f5b942;
  --red: #ff6b5f;
  --blue: #70b7ff;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { background: var(--void); color: var(--ink); font-family: var(--mono); }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 80% 5%, #253020 0, transparent 30rem), var(--void); }
button, input { font: inherit; }
button { cursor: pointer; }

.grain { position: fixed; inset: 0; pointer-events: none; opacity: .16; z-index: 20; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E"); }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .7rem 1rem; background: var(--acid); color: #111; }
.skip-link:focus { top: 1rem; }

.eyebrow { margin: 0 0 .75rem; color: var(--acid); text-transform: uppercase; letter-spacing: .14em; font-size: .68rem; font-weight: 700; }
.lede { color: var(--muted); line-height: 1.65; max-width: 48rem; }

.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(16rem, 38vw) 1fr; align-items: stretch; }
.login-mark { display: grid; place-items: end start; padding: clamp(2rem, 7vw, 7rem); color: #111; background: var(--acid); font-family: var(--serif); font-size: clamp(5rem, 14vw, 13rem); line-height: .7; letter-spacing: -.09em; writing-mode: vertical-rl; transform: rotate(180deg); }
.login-copy { align-self: center; padding: clamp(2rem, 9vw, 10rem); max-width: 58rem; }
.login-copy h1, .hero h1 { margin: 0; font-family: var(--serif); font-weight: 500; letter-spacing: -.045em; line-height: .95; }
.login-copy h1 { font-size: clamp(3.2rem, 7vw, 7rem); }
.login-form { margin-top: 3rem; max-width: 42rem; }
.login-form label { display: block; margin-bottom: .65rem; color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }
.credential-fields > input { width: 100%; margin-bottom: 1.35rem; padding: 1rem 0; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid var(--line); outline: none; }
.credential-row { display: grid; grid-template-columns: 1fr auto; border-bottom: 1px solid var(--acid); }
.credential-row input { min-width: 0; padding: 1rem 0; color: var(--ink); background: transparent; border: 0; outline: none; }
.credential-row button, .refresh-button { border: 0; background: var(--acid); color: #111; font-weight: 800; padding: .8rem 1.15rem; }
.credential-row button:hover, .refresh-button:hover { background: #ddff8d; }
.form-error { min-height: 1.4rem; color: var(--red); font-size: .78rem; }

.console-shell { min-height: 100vh; display: grid; grid-template: 4rem 1fr / 17rem 1fr; }
.topbar { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; padding: 0 1.4rem; border-bottom: 1px solid var(--line); background: rgb(11 13 12 / .86); backdrop-filter: blur(18px); position: sticky; top: 0; z-index: 10; }
.wordmark { font-family: var(--serif); font-size: 1.15rem; }
.wordmark span { color: var(--acid); font-style: italic; }
.topbar-meta { display: flex; gap: 1rem; align-items: center; color: var(--muted); font-size: .72rem; }
.mode-pill { padding: .35rem .55rem; border: 1px solid var(--line); color: var(--acid); }
.text-button { color: var(--ink); background: transparent; border: 0; text-decoration: underline; text-underline-offset: .25rem; }

.rail { grid-column: 1; grid-row: 2; display: flex; flex-direction: column; gap: 2.5rem; padding: 2rem 1.25rem; border-right: 1px solid var(--line); min-height: calc(100vh - 4rem); }
.rail h2 { margin: 0; font-family: var(--serif); font-size: 1.55rem; font-weight: 500; }
#application-nav { display: grid; gap: .5rem; }
.nav-app { width: 100%; text-align: left; padding: .9rem; border: 1px solid transparent; color: var(--muted); background: transparent; }
.nav-app:hover, .nav-app.active { color: var(--ink); border-color: var(--line); background: var(--raised); }
.nav-app strong { display: block; margin-bottom: .35rem; font-size: .78rem; }
.nav-app span { font-size: .65rem; }
.rail-foot { margin-top: auto; display: flex; gap: .6rem; align-items: center; color: var(--muted); font-size: .66rem; line-height: 1.4; }
.signal-dot { width: .5rem; height: .5rem; border-radius: 50%; background: var(--acid); box-shadow: 0 0 1rem var(--acid); flex: none; }

.workspace { grid-column: 2; grid-row: 2; padding: clamp(1.5rem, 4vw, 4.5rem); overflow: hidden; }
.hero { display: flex; justify-content: space-between; gap: 3rem; align-items: end; padding-bottom: 2.6rem; border-bottom: 1px solid var(--line); }
.hero h1 { font-size: clamp(3rem, 6vw, 6.6rem); max-width: 65rem; }
.hero-actions { flex: 0 0 15rem; display: grid; gap: 1rem; justify-items: stretch; }
.timestamp { color: var(--muted); font-size: .65rem; line-height: 1.5; }
.refresh-button { display: flex; justify-content: center; gap: .7rem; align-items: center; }
.refresh-button[disabled] { opacity: .55; cursor: wait; }
.refresh-glyph { font-size: 1.2rem; }
.refresh-button[aria-busy="true"] .refresh-glyph { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.notice { margin: 1rem 0; padding: .9rem 1rem; border-left: 3px solid var(--blue); background: #101923; color: #b9d8f7; font-size: .78rem; }
.notice.error { border-color: var(--red); background: #211210; color: #ffc0ba; }
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1px; margin-top: 2rem; background: var(--line); border: 1px solid var(--line); }
.summary-card { min-height: 15rem; padding: 1.4rem; background: var(--panel); border: 0; color: var(--ink); text-align: left; position: relative; transition: background .2s ease, transform .2s ease; }
.summary-card:hover { background: var(--raised); transform: translateY(-2px); z-index: 2; }
.summary-card h2 { margin: 1.5rem 0 .6rem; font-family: var(--serif); font-size: 2rem; font-weight: 500; }
.summary-card .technical-id { color: var(--muted); font-size: .65rem; overflow-wrap: anywhere; }
.metric-row { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.7rem; padding-top: .8rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .68rem; }
.status { display: inline-flex; align-items: center; gap: .45rem; text-transform: uppercase; letter-spacing: .09em; font-size: .62rem; }
.status::before { content: ""; width: .45rem; height: .45rem; border-radius: 50%; background: var(--muted); }
.status.fresh::before { background: var(--acid); }
.status.stale::before { background: var(--amber); }
.status.unknown::before, .status.failed::before { background: var(--red); }

.installation-panel, .topology-panel, .record-panel { margin-top: 4rem; }
.section-heading { display: flex; justify-content: space-between; gap: 2rem; align-items: end; margin-bottom: 1.2rem; }
.section-heading h2 { margin: 0; font-family: var(--serif); font-size: clamp(2rem, 4vw, 4rem); font-weight: 500; }
.snapshot-id { color: var(--muted); font-size: .62rem; max-width: 22rem; text-align: right; overflow-wrap: anywhere; }
.source-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.source-card { grid-column: span 4; min-height: 13rem; padding: 1.2rem; border: 1px solid var(--line); background: linear-gradient(145deg, var(--panel), #0e100f); }
.source-card:nth-child(1), .source-card:nth-child(6) { grid-column: span 6; }
.source-card h3 { margin: .9rem 0 .5rem; font-family: var(--serif); font-size: 1.5rem; font-weight: 500; }
.source-card dl { display: grid; grid-template-columns: 1fr auto; gap: .55rem 1rem; margin: 1rem 0 0; font-size: .65rem; }
.source-card dt { color: var(--muted); }
.source-card dd { margin: 0; text-align: right; overflow-wrap: anywhere; }
.failure { margin-top: 1rem; padding: .7rem; border-left: 2px solid var(--red); color: #ffaaa2; background: #211210; font-size: .67rem; line-height: 1.5; }
.record-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.topology-columns { display: grid; grid-template-columns: 1fr 1.4fr; gap: 2rem; }
.topology-columns h3, .record-columns h3 { color: var(--muted); text-transform: uppercase; letter-spacing: .1em; font-size: .7rem; }
.topology-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.topology-item { padding: 1rem; color: var(--ink); background: var(--panel); border: 0; text-align: left; }
button.topology-item:hover { background: var(--raised); }
.topology-item strong { display: block; font-family: var(--serif); font-size: 1.15rem; }
.topology-item small { color: var(--muted); }
.domain-detail { margin-top: 1rem; padding: 1.2rem; border: 1px solid var(--acid); background: #11170f; }
.domain-detail h3 { margin: 0 0 .7rem; font-family: var(--serif); font-size: 1.6rem; }
.domain-detail p { margin: .35rem 0; color: var(--muted); font-size: .7rem; }
.record { padding: .9rem 0; border-top: 1px solid var(--line); }
.record strong { display: block; margin-bottom: .35rem; font-family: var(--serif); font-size: 1.05rem; }
.record small { color: var(--muted); overflow-wrap: anywhere; }
.empty { color: var(--muted); font-family: var(--serif); font-style: italic; }

@media (max-width: 900px) {
  .console-shell { grid-template: 4rem auto 1fr / 1fr; }
  .rail { grid-column: 1; grid-row: 2; min-height: 0; border: 0; border-bottom: 1px solid var(--line); padding: 1rem; gap: 1rem; }
  #application-nav { display: flex; overflow-x: auto; }
  .nav-app { min-width: 14rem; }
  .rail-foot { margin: 0; }
  .workspace { grid-column: 1; grid-row: 3; }
  .hero { align-items: start; flex-direction: column; }
  .hero-actions { width: 100%; flex-basis: auto; }
  .source-card, .source-card:nth-child(1), .source-card:nth-child(6) { grid-column: span 6; }
}

@media (max-width: 620px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-mark { min-height: 22vh; writing-mode: horizontal-tb; transform: none; place-items: end start; font-size: 4.5rem; }
  .credential-row { grid-template-columns: 1fr; }
  .topbar { padding: 0 .75rem; }
  .mode-pill, #identity { display: none; }
  .workspace { padding: 1.25rem; }
  .hero h1 { font-size: 3.1rem; }
  .source-card, .source-card:nth-child(1), .source-card:nth-child(6) { grid-column: 1 / -1; }
  .record-columns { grid-template-columns: 1fr; }
  .topology-columns { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}