:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ink: #f4f0e8;
  --muted: #a7ada8;
  --dim: #7c8782;
  --ground: #080c0b;
  --panel: #0e1412;
  --panel-raised: #141c19;
  --line: #26322e;
  --line-hot: #49675e;
  --mint: #a7f3d0;
  --amber: #f6c76b;
  --violet: #b9b4ff;
  --rose: #ffaaa2;
  --radius: 18px;
  background: var(--ground);
  color: var(--ink);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 280px; min-height: 100vh; background: radial-gradient(circle at 76% -20%, rgba(167,243,208,.11), transparent 34rem), var(--ground); color: var(--ink); }
button, input, select { font: inherit; }
a { color: inherit; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }

.ambient-grid { position: fixed; inset: 0; pointer-events: none; opacity: .16; background-image: linear-gradient(rgba(167,243,208,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(167,243,208,.12) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(to bottom, black, transparent 70%); z-index: -1; }
.skip-link { position: fixed; left: 1rem; top: 1rem; transform: translateY(-160%); z-index: 20; background: var(--mint); color: #07110d; padding: .7rem 1rem; border-radius: .5rem; font-weight: 800; }
.skip-link:focus { transform: translateY(0); }

.masthead, main, .site-footer { width: min(1480px, calc(100% - 48px)); margin-inline: auto; }
.masthead { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .8rem; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--line-hot); border-radius: 50%; color: var(--mint); font: 800 .72rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .06em; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: .9rem; letter-spacing: .01em; }
.brand small { margin-top: .15rem; color: var(--muted); font-size: .7rem; }
.masthead-status { display: inline-flex; align-items: center; gap: .55rem; color: var(--muted); font: 650 .7rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .08em; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgba(246,199,107,.1); }

.hero { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(330px, .7fr); gap: clamp(3rem, 8vw, 9rem); align-items: end; min-height: min(640px, 72vh); padding: clamp(5rem, 12vw, 10rem) 0 5rem; border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 1rem; color: var(--mint); font: 750 .7rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .12em; }
.hero h1 { margin: 0; max-width: 13ch; font-size: clamp(3.4rem, 8vw, 8.7rem); line-height: .86; letter-spacing: -.075em; font-weight: 720; }
.hero h1 em { color: var(--mint); font-style: normal; font-weight: 440; }
.lede { max-width: 64ch; margin: 2rem 0 0; color: #c4cbc7; font-size: clamp(1rem, 1.4vw, 1.2rem); line-height: 1.65; }
.hero-metrics { display: grid; margin: 0; border-top: 1px solid var(--line); }
.hero-metrics div { display: grid; grid-template-columns: 1fr auto; gap: .2rem 1rem; padding: 1.15rem 0; border-bottom: 1px solid var(--line); }
.hero-metrics dt { color: var(--muted); font: 700 .68rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .1em; }
.hero-metrics dd { grid-row: span 2; margin: 0; color: var(--ink); font-size: 2rem; font-weight: 720; letter-spacing: -.05em; }
.hero-metrics small { color: var(--dim); font-size: .72rem; }

.trust-rail { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.trust-rail article { display: grid; grid-template-columns: auto 1fr; gap: 1rem; min-height: 185px; padding: 2rem; border-right: 1px solid var(--line); }
.trust-rail article:first-child { padding-left: 0; }
.trust-rail article:last-child { border-right: 0; padding-right: 0; }
.rail-index { color: var(--dim); font: 650 .66rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.trust-rail h2 { margin: 0; font-size: 1rem; }
.trust-rail p { margin: .6rem 0 0; color: var(--muted); font-size: .82rem; line-height: 1.55; }
.proof-line { color: var(--mint) !important; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .68rem !important; overflow-wrap: anywhere; }
.rail-actions { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1rem; }
.peer-controls { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr) auto auto; gap: .45rem; margin-top: .9rem; }
.peer-controls label { display: grid; gap: .28rem; color: var(--dim); font: 700 .58rem/1.1 ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .06em; }
.peer-controls input { min-width: 0; min-height: 40px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink); padding: 0 .6rem; }

.arcade-rail { padding: 3.5rem 0; border-bottom: 1px solid var(--line); }
.compact-heading { margin-bottom: 1.3rem; }
.compact-heading h2 { font-size: clamp(1.8rem, 3vw, 3.2rem); }
.arcade-tools { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .8rem; }
.arcade-tool { display: flex; flex-direction: column; min-height: 220px; padding: 1rem; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.arcade-tool h3 { margin: 0; font-size: 1.1rem; }
.arcade-tool .button { margin-top: auto; align-self: flex-start; }

.workbench { padding: 5rem 0 6rem; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.section-heading h2 { margin: 0; font-size: clamp(2rem, 4vw, 4rem); letter-spacing: -.055em; }
.result-summary { color: var(--muted); font: 650 .72rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; }
.catalog-tools { position: sticky; top: 0; z-index: 5; display: grid; grid-template-columns: minmax(260px, 1.6fr) repeat(3, minmax(130px, .55fr)) auto auto; gap: .65rem; align-items: end; padding: .85rem; margin: 0 -.85rem 1rem; border: 1px solid rgba(38,50,46,.86); border-radius: 15px; background: rgba(8,12,11,.92); backdrop-filter: blur(18px); }
.catalog-tools label { display: grid; gap: .42rem; color: var(--dim); font: 700 .62rem/1.1 ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .08em; }
.catalog-tools input[type="search"], .catalog-tools select { width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); color: var(--ink); padding: 0 .8rem; outline: none; }
.catalog-tools input:focus, .catalog-tools select:focus { border-color: var(--mint); box-shadow: 0 0 0 3px rgba(167,243,208,.1); }
.catalog-tools input:focus-visible, .catalog-tools select:focus-visible { outline: 2px solid var(--mint); outline-offset: 2px; }
.toggle-field { min-height: 44px; display: flex !important; grid-auto-flow: column; align-items: center; justify-content: start; gap: .55rem !important; padding: 0 .75rem; border: 1px solid var(--line); border-radius: 9px; color: var(--muted) !important; white-space: nowrap; }
.toggle-field input { accent-color: var(--mint); }
.facet-strip { display: flex; flex-wrap: wrap; gap: .4rem; min-height: 28px; margin-bottom: 1.25rem; }
.facet { padding: .35rem .6rem; border: 1px solid var(--line); border-radius: 999px; color: var(--dim); font: 650 .62rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; }

.catalog { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.artifact-card { grid-column: span 4; display: flex; flex-direction: column; min-width: 0; min-height: 390px; padding: 1.25rem; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(20,28,25,.95), rgba(11,16,14,.95)); transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.artifact-card:hover { transform: translateY(-2px); border-color: var(--line-hot); background: var(--panel-raised); }
.card-topline { display: flex; align-items: center; justify-content: space-between; gap: .8rem; }
.health-chip { display: inline-flex; align-items: center; min-height: 25px; padding: 0 .55rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font: 720 .61rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .05em; }
.health-chip[data-level="verified"] { color: var(--mint); border-color: #315a49; }
.health-chip[data-level="provisional"] { color: var(--amber); border-color: #5f512c; }
.health-chip[data-level="external"] { color: var(--violet); border-color: #46456a; }
.health-chip[data-level="unknown"] { color: var(--rose); border-color: #613b39; }
.changed-at { color: var(--dim); font: 600 .62rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: nowrap; }
.card-copy { padding: 1.5rem 0 1.15rem; }
.card-kind { margin: 0 0 .55rem; color: var(--mint); font: 700 .65rem/1.1 ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .08em; }
.card-copy h3 { margin: 0; font-size: 1.5rem; line-height: 1.05; letter-spacing: -.035em; }
.card-description { display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; margin: .9rem 0 0; color: #bbc3be; font-size: .86rem; line-height: 1.55; }
.card-facts { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .75rem 1rem; margin: 0; padding-top: 1rem; border-top: 1px solid var(--line); }
.fact { min-width: 0; }
.fact dt { color: var(--dim); font: 650 .58rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .08em; }
.fact dd { margin: .28rem 0 0; font-size: .76rem; overflow-wrap: anywhere; }
.card-tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: auto; padding-top: 1rem; }
.tag { color: var(--dim); font: 600 .62rem/1.1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.card-actions { display: flex; gap: .55rem; padding-top: 1.2rem; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 .85rem; border: 1px solid var(--line); border-radius: 9px; background: transparent; color: var(--ink); font-weight: 750; font-size: .76rem; text-decoration: none; cursor: pointer; }
.button:hover:not(:disabled) { border-color: var(--line-hot); background: rgba(255,255,255,.025); }
.button:focus-visible, .icon-button:focus-visible, a:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; }
.button:disabled { cursor: not-allowed; opacity: .55; }
.button-primary { background: var(--mint); border-color: var(--mint); color: #06100c; }
.button-primary:hover:not(:disabled) { background: #c6f9e1; border-color: #c6f9e1; }
.button-quiet { color: #c6ceca; }
.button-danger { color: var(--rose); border-color: #643f3d; }
.button-small { min-height: 44px; padding-inline: .65rem; font-size: .68rem; }

.empty-state { padding: 5rem 1rem; border: 1px dashed var(--line); border-radius: var(--radius); text-align: center; }
.empty-state h3 { margin: 0; font-size: 1.8rem; }
.empty-state p:not(.eyebrow) { color: var(--muted); }
.error-state { border-color: #633d3a; }

.inspector { width: min(760px, calc(100% - 28px)); max-height: min(860px, calc(100vh - 28px)); overflow: auto; padding: 0; border: 1px solid var(--line-hot); border-radius: 22px; background: var(--panel); color: var(--ink); box-shadow: 0 30px 90px rgba(0,0,0,.55); }
.inspector::backdrop { background: rgba(2,5,4,.82); backdrop-filter: blur(7px); }
.inspector-shell { padding: clamp(1.3rem, 4vw, 2.2rem); }
.inspector-shell > header { display: flex; justify-content: space-between; align-items: start; gap: 1rem; }
.icon-button { width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--ink); font-size: 1.5rem; cursor: pointer; }
.inspector-heading { padding: 1.2rem 0 2rem; }
.inspector-kind { color: var(--mint); font: 700 .68rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .08em; }
.inspector-heading h2 { margin: .6rem 0; font-size: clamp(2.1rem, 6vw, 4.6rem); line-height: .92; letter-spacing: -.06em; }
.inspector-description { max-width: 62ch; color: #c3cbc6; line-height: 1.6; }
.inspector-section { padding: 1.4rem 0; border-top: 1px solid var(--line); }
.inspector-section h3 { margin: 0 0 .8rem; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.inspector-section > p { color: var(--muted); line-height: 1.5; }
.inspector-facts { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; margin: 1.2rem 0 0; }
.inspector-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; }
.inspector-actions h3 { flex-basis: 100%; }
.permission-note { flex-basis: 100%; margin: .35rem 0 0; font-size: .72rem; }

.site-footer { display: flex; justify-content: space-between; gap: 2rem; padding: 2rem 0 4rem; border-top: 1px solid var(--line); color: var(--dim); font-size: .7rem; line-height: 1.5; }
.site-footer p { margin: 0; max-width: 72ch; }
.site-footer strong { color: var(--muted); }

@media (max-width: 1120px) {
  .hero { grid-template-columns: 1fr; gap: 3rem; }
  .hero-metrics { grid-template-columns: repeat(3, 1fr); }
  .hero-metrics div { display: block; padding-right: 1rem; }
  .hero-metrics dd { margin-top: .7rem; }
  .hero-metrics small { display: block; margin-top: .2rem; }
  .catalog-tools { grid-template-columns: 2fr repeat(2, 1fr); }
  .catalog-tools label[for="sort-order"], .toggle-field, #clear-filters { align-self: stretch; }
  .artifact-card { grid-column: span 6; }
  .arcade-tools { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .peer-controls { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .masthead, main, .site-footer { width: min(100% - 24px, 1480px); }
  .masthead { min-height: 68px; }
  .masthead-status { display: none; }
  .hero { min-height: auto; padding: 5rem 0 3rem; }
  .hero h1 { font-size: clamp(3.1rem, 17vw, 6rem); }
  .hero-metrics { grid-template-columns: 1fr; }
  .trust-rail { grid-template-columns: 1fr; }
  .trust-rail article, .trust-rail article:first-child, .trust-rail article:last-child { min-height: 0; padding: 1.5rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-rail article:last-child { border-bottom: 0; }
  .workbench { padding-top: 3rem; }
  .section-heading { display: grid; }
  .catalog-tools { position: static; grid-template-columns: 1fr; margin-inline: 0; padding: .7rem; }
  .artifact-card { grid-column: 1 / -1; min-height: 0; }
  .site-footer { display: grid; }
  .arcade-tools, .peer-controls { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .hero h1 { letter-spacing: -.06em; }
  .card-facts, .inspector-facts { grid-template-columns: 1fr; }
  .card-actions { flex-direction: column; }
  .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .artifact-card:hover { transform: none; }
}