/* Orion Threat Model — design tokens (from Figma variables, docs/design-tokens.md) */
:host {
  /* Mint scale */
  --mint-100: #e8f6ea;
  --mint-200: #c6e9ca;
  --mint-300: #abd0b0;
  --mint-400: #8caa90;
  --mint-500: #677b69;
  --mint-600: #4f5d51;
  --mint-700: #3b463d;
  --mint-800: #1f241f;
  --mint-900: #111211;
  --trace-mint: #c6e9ca;
  --hash-black: #111211;
  --bw-000: #000000;

  /* Path / marker accents (raw fills, exact from Figma) */
  --path-traditional: #c4a84a;
  --path-ai: #4abfb0;

  /* Type */
  --font-mono: "Monaspace Krypton", ui-monospace, "SF Mono", Menlo, monospace;
  --font-sans: "Archivo", system-ui, -apple-system, sans-serif;

  /* Layout */
  --sidebar-w: 405px;
  --navbar-h: 60px;
}

/* Orion motion language — durations, easings, stagger + shared keyframes.
   Single source of truth for animation (see docs/MOTION.md). CSS/SVG-first:
   no JS animation lib. Everything honours prefers-reduced-motion (block below). */
:host {
  /* Durations */
  --mo-fast: 120ms;
  --mo-quick: 200ms;
  --mo-base: 320ms;
  --mo-slow: 520ms;
  --mo-draw: 720ms;
  /* Easings */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);      /* reveals / enter */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);   /* state changes */
  --ease-pop: cubic-bezier(0.34, 1.4, 0.64, 1);    /* markers / chips overshoot */
  /* Cascade unit */
  --mo-stagger: 55ms;
}

/* ---------- shared keyframes ---------- */
@keyframes mo-fade-up { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes mo-fade-down { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
@keyframes mo-fade-left { from { opacity: 0; transform: translateX(-12px); } to { opacity: 1; transform: none; } }
@keyframes mo-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes mo-scale-in { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: none; } }
@keyframes mo-seal-in { from { opacity: 0; transform: translate(-50%, -50%) scale(0.98); } to { opacity: 1; transform: translate(-50%, -50%) scale(1); } }
/* overlay seal materialises to its faint 0.55 rest opacity (canvas seal ends at 1) */
@keyframes mo-ov-seal-in { from { opacity: 0; transform: translate(-50%, -50%) scale(0.98); } to { opacity: 0.55; transform: translate(-50%, -50%) scale(1); } }
@keyframes mo-pop { from { opacity: 0; transform: scale(0); } to { opacity: 1; transform: scale(1); } }
@keyframes mo-overlay-in { from { opacity: 0; transform: translateY(6px) scale(0.985); } to { opacity: 1; transform: none; } }
@keyframes mo-overlay-out { from { opacity: 1; transform: none; } to { opacity: 0; transform: translateY(6px) scale(0.985); } }
@keyframes mo-draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
/* vertical line drawing itself top→bottom (trace spine) */
@keyframes mo-grow-y { from { transform: scaleY(0); } to { transform: scaleY(1); } }
/* "ONLINE" breathing indicator */
@keyframes mo-pulse { 0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--trace-mint); } 50% { opacity: 0.55; box-shadow: 0 0 2px var(--trace-mint); } }
/* active-node port glow */
@keyframes mo-glow { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
/* corridor "data flow" marching ants */
@keyframes mo-flow { to { stroke-dashoffset: -20; } }

/* ---------- reduced motion (accessibility-first) ---------- */
@media (prefers-reduced-motion: reduce) {
  :host {
    --mo-fast: 1ms; --mo-quick: 1ms; --mo-base: 1ms; --mo-slow: 1ms; --mo-draw: 1ms; --mo-stagger: 0ms;
  }
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}

* { box-sizing: border-box; }
html, body, #root { height: 100%; margin: 0; }
body {
  background: var(--bw-000);
  color: var(--mint-100);
  font-family: var(--font-mono);
  -webkit-font-smoothing: antialiased;
}
button { font-family: inherit; cursor: pointer; }

/* focus: no mouse-click box, keep keyboard ring (kills the blue browser outline) */
button:focus:not(:focus-visible), [tabindex]:focus:not(:focus-visible) { outline: none; }
.canvas__svg [tabindex]:focus { outline: none; }
button:focus-visible, .canvas__svg [tabindex]:focus-visible { outline: 2px solid var(--trace-mint); outline-offset: 2px; }

.app { display: flex; flex-direction: column; height: 100vh; min-height: 0; }
.app__body { flex: 1; display: flex; min-height: 0; }
.app__canvas { flex: 1; min-width: 0; display: flex; }
.app__src {
  position: fixed; bottom: 6px; right: 8px; font-size: 10px; letter-spacing: .7px;
  color: var(--mint-600); text-transform: uppercase; pointer-events: none;
}

/* ---------- Navbar ---------- */
.nav {
  height: var(--navbar-h); flex: none; display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px; background: var(--hash-black); border: 1px solid var(--mint-700);
}
.nav__brand { display: flex; align-items: center; gap: 6px; background: var(--mint-800); padding: 4px 8px; }
.nav__logo { display: block; width: 67px; height: 16px; flex: none; }
.nav__sep, .nav__labs { font-family: var(--font-mono); font-size: 14px; font-weight: 500; line-height: 1.5; letter-spacing: 0.5px; text-transform: uppercase; white-space: nowrap; }
.nav__sep { color: var(--mint-400); }
.nav__labs { color: var(--trace-mint); }
.nav__right { display: flex; align-items: center; gap: 24px; }
.nav__stats { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 12px; font-weight: 500; line-height: 1.5; letter-spacing: .7px; text-transform: uppercase; color: var(--mint-400); }
.nav__trad { color: var(--path-traditional); }
.nav__ai { color: var(--path-ai); }
.nav__dot { color: var(--mint-600); }
.nav__online { display: flex; align-items: center; gap: 6px; background: var(--mint-800); padding: 4px 12px; font-size: 12px; letter-spacing: .7px; color: var(--trace-mint); text-transform: uppercase; }
.nav__pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--trace-mint); box-shadow: 0 0 6px var(--trace-mint); animation: mo-pulse 2.4s var(--ease-standard) infinite; }
.nav__cta { background: var(--trace-mint); color: var(--hash-black); text-decoration: none; padding: 8px 12px; font-size: 12px; letter-spacing: .7px; text-transform: uppercase; transition: background var(--mo-quick) var(--ease-standard); }
.nav__cta:hover { background: #fff; }

/* ---------- Sidebar ---------- */
.sb { width: var(--sidebar-w); flex: none; border: 1px solid var(--mint-700); border-top: 0; background: var(--hash-black); display: flex; flex-direction: column; min-height: 0; overflow-y: auto; scrollbar-gutter: stable; scrollbar-width: thin; scrollbar-color: var(--mint-700) var(--hash-black); }
.sb::-webkit-scrollbar { width: 12px; }
.sb::-webkit-scrollbar-track { background: var(--hash-black); border-left: 1px solid var(--mint-800); }
.sb::-webkit-scrollbar-thumb { background: var(--mint-700); border: 3px solid var(--hash-black); }
.sb::-webkit-scrollbar-thumb:hover { background: var(--mint-600); }
.sb__reset { display: none; }
.sb__head { padding: 24px; border: 1px solid var(--mint-700); }
.sb__titlebar { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.sb__seal { width: 26px; height: 26px; flex: none; }
.sb__title { font-family: var(--font-sans); font-weight: 500; font-size: 24px; line-height: 1.1; letter-spacing: -.5px; color: var(--trace-mint); margin: 0; }
.sb__hint { font-family: var(--font-sans); font-size: 12px; font-weight: 400; line-height: 1.5; letter-spacing: 0.5px; color: var(--trace-mint); margin: 0; }
.sb__hint-mark { color: var(--trace-mint); }
.sb__tabs { display: flex; align-items: stretch; gap: 0; padding: 8px; border-bottom: 1px solid var(--mint-700); border-right: 1px solid var(--mint-700); }
.sb__tab { flex: 1 1 0; min-width: 0; text-align: center; background: transparent; border: 1px solid var(--mint-700); color: var(--trace-mint); font-family: var(--font-mono); font-size: 12px; font-weight: 500; line-height: 1.5; letter-spacing: .7px; text-transform: uppercase; padding: 6px 10px; transition: background var(--mo-quick) var(--ease-standard), color var(--mo-quick) var(--ease-standard), border-color var(--mo-quick) var(--ease-standard); }
.sb__tab.is-on { background: var(--mint-800); color: var(--mint-100); border-color: var(--mint-500); }
.sb__list { flex: 1; display: flex; flex-direction: column; gap: 8px; padding: 8px; border-right: 1px solid var(--mint-700); }
.sb__node { border: 1px solid var(--mint-700); background: var(--hash-black); transition: background var(--mo-quick) var(--ease-standard), border-color var(--mo-quick) var(--ease-standard); }
.sb__node:hover, .sb__node.is-hl, .sb__node.is-open { background: var(--mint-800); }
.sb__node.is-open { border-color: var(--mint-500); }
.sb__node.is-hl { border-color: var(--mint-700); }
.sb__node-row { width: 100%; min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 12px; background: transparent; border: 0; color: var(--mint-100); padding: 8px 16px; text-align: left; }
.sb__node-label { font-size: 14px; font-weight: 600; font-family: var(--font-sans); }
.sb__node-main { display: flex; align-items: baseline; gap: 12px; flex: 1; min-width: 0; }
.sb__node-meta { display: flex; align-items: center; gap: 4px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .7px; text-transform: uppercase; white-space: nowrap; }
.sb__kind { color: var(--mint-400); }
.sb__sep { color: var(--mint-400); }
.sb__warn { color: var(--mint-500); flex: none; transition: color var(--mo-quick) var(--ease-standard); }
.sb__node:hover .sb__warn,
.sb__node.is-open .sb__warn,
.sb__node.is-hl .sb__warn { color: var(--mint-200); }
.sb__badge { display: inline-flex; }
.sb__badge-s { color: var(--path-traditional); }
.sb__badge-d { color: var(--path-ai); }
.sb__chev { color: var(--mint-500); font-size: 12px; flex: none; display: inline-flex; align-items: center; transition: color var(--mo-quick) var(--ease-standard), transform var(--mo-base) var(--ease-standard); }
.sb__node:hover .sb__chev,
.sb__node.is-open .sb__chev,
.sb__node.is-hl .sb__chev { color: var(--mint-200); }
.sb__close { display: block; color: var(--mint-200); }
/* expand/collapse via grid-rows (animates to auto height, pure CSS) */
.sb__node-bodywrap { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--mo-base) var(--ease-standard); }
.sb__node.is-open .sb__node-bodywrap { grid-template-rows: 1fr; }
.sb__node-body { overflow: hidden; min-height: 0; }
.sb__node-bodyinner { padding: 16px 0; border-top: 1px solid var(--mint-700); opacity: 0; transition: opacity var(--mo-quick) var(--ease-standard); }
.sb__node.is-open .sb__node-bodyinner { opacity: 1; }
.sb__desc { font-family: var(--font-sans); font-size: 14px; font-weight: 400; line-height: 1.3; letter-spacing: 0.5px; color: var(--mint-100); margin: 0 0 12px; padding: 0 16px; }
.sb__sub { font-size: 10px; letter-spacing: .7px; text-transform: uppercase; color: var(--mint-500); margin: 12px 0 6px; padding: 0 16px; }
.sb__points { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.sb__point { width: 100%; display: flex; align-items: center; gap: 16px; background: transparent; border: 0; border-top: 1px solid var(--mint-700); color: var(--mint-100); padding: 9px 16px; text-align: left; font-family: var(--font-sans); font-size: 13px; transition: background var(--mo-quick) var(--ease-standard); }
.sb__point-search { transition: color var(--mo-quick) var(--ease-standard); }
.sb__point:hover { background: var(--mint-900); }
.sb__point-title { flex: 1; min-width: 0; color: var(--mint-300); font-family: var(--font-sans); font-size: 12px; font-weight: 600; line-height: 1.5; letter-spacing: 0.5px; }
.sb__point-search { color: var(--mint-500); flex: none; }
.sb__point:hover .sb__point-search { color: var(--trace-mint); }
.sb__code { display: inline-flex; align-items: center; justify-content: flex-start; width: 24px; flex: none; font-family: var(--font-mono); font-size: 12px; }
.sb__point .sb__code { padding-right: 16px; border-right: 1px solid var(--mint-700); }
.sb__code--traditional { color: var(--path-traditional); }
.sb__code--ai { color: var(--path-ai); }
.sb__examples { display: flex; flex-wrap: nowrap; gap: 8px; align-items: center; margin: 0; padding: 0 16px 6px; overflow-x: auto; scrollbar-width: thin; scrollbar-color: var(--mint-700) transparent; }
.sb__examples::-webkit-scrollbar { height: 6px; }
.sb__examples::-webkit-scrollbar-thumb { background: var(--mint-700); }
.sb__ex { width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; flex: none; }
.sb__ex-initials { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; font-family: var(--font-mono); font-size: 9px; letter-spacing: .3px; color: var(--mint-400); }
/* Logos are PNGs with baked-in black backgrounds. `lighten` drops the black
   (it loses to the node's mint-800 backdrop) so each tile blends in; grayscale
   keeps the muted monochrome look the Figma luminosity blend gave. */
.sb__ex img { mix-blend-mode: lighten; filter: grayscale(1); opacity: 0.85; }
.sb__ex--text { border: 1px solid var(--mint-700); font-family: var(--font-mono); font-size: 9px; letter-spacing: .5px; color: var(--mint-400); }

/* ---------- Canvas ---------- */
.canvas { flex: 1; display: flex; flex-direction: column; min-width: 0; min-height: 0; border: 1px solid var(--mint-700); border-top: 0; border-left: 0; }
.canvas__topbar { height: 26px; flex: none; display: flex; align-items: center; gap: 6px; padding: 0 8px; background: var(--hash-black); font-family: var(--font-mono); font-size: 12px; font-weight: 500; line-height: 1.5; letter-spacing: .7px; text-transform: uppercase; }
.canvas__topbar-label { color: var(--mint-300); }
.canvas__topbar-value { color: var(--mint-100); }
.canvas__chart { flex: 1; min-height: 0; background-color: var(--hash-black); position: relative; overflow: hidden; border-top: 1px solid var(--mint-700); border-bottom: 1px solid var(--mint-700); }
/* dot grid — middle layer, above the seal, below the diagram */
.canvas__chart::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background-image: radial-gradient(var(--mint-800) 1px, transparent 1px); background-size: 15px 15px; background-position: center; }
.canvas__svg { position: relative; z-index: 2; width: 100%; height: 100%; display: block; }
/* seal watermark — back layer (z-index 0), centered behind the dot grid */
.canvas__seal { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 0; height: 83%; width: auto; opacity: 1; pointer-events: none; }
.canvas__path { cursor: pointer; transition: opacity var(--mo-base) var(--ease-standard), stroke-width var(--mo-quick) var(--ease-standard); }
.canvas__path:hover, .canvas__path.is-emph { stroke-width: 2.5; }

/* ---------- node / marker interaction states (CSS-driven, transitionable) ---------- */
.canvas__node-box { stroke: var(--mint-500); fill: var(--hash-black); transition: stroke var(--mo-quick) var(--ease-standard), fill var(--mo-quick) var(--ease-standard); }
.canvas__node-iconbox { stroke: var(--mint-500); fill: none; transition: stroke var(--mo-quick) var(--ease-standard), fill var(--mo-quick) var(--ease-standard); }
.canvas__node-port { stroke: var(--mint-500); transition: stroke var(--mo-quick) var(--ease-standard); }
.canvas__node.is-hover .canvas__node-box, .canvas__node.is-hover .canvas__node-iconbox, .canvas__node.is-hover .canvas__node-port { stroke: var(--mint-400); }
.canvas__node.is-hover .canvas__node-box { fill: var(--mint-800); }
.canvas__node.is-active .canvas__node-box, .canvas__node.is-active .canvas__node-iconbox, .canvas__node.is-active .canvas__node-port { stroke: var(--trace-mint); }
.canvas__node.is-active .canvas__node-box { fill: var(--mint-800); }
.canvas__node.is-active .canvas__node-iconbox { fill: var(--mint-300); }
.canvas__node.is-hover { transform: scale(1.02); }
.canvas__node.is-active { filter: drop-shadow(0 0 5px rgba(198, 233, 202, 0.35)); }
.canvas__node.is-active .canvas__node-portdot { animation: mo-glow 1.6s var(--ease-standard) infinite; }
/* markers */
.canvas__marker { transition: opacity var(--mo-base) var(--ease-standard); }
.canvas__marker-pop { transition: transform var(--mo-quick) var(--ease-pop), filter var(--mo-quick) var(--ease-standard); }
.canvas__marker:hover .canvas__marker-pop { transform: scale(1.15); }
.canvas__marker.is-emph .canvas__marker-pop { filter: drop-shadow(0 0 3px rgba(198, 233, 202, 0.4)); }
.canvas__boundary { flex: none; display: flex; background: var(--hash-black); }
.canvas__boundary span { flex: 1; text-align: center; padding: 4px 8px; font-family: var(--font-mono); font-size: 12px; font-weight: 500; line-height: 1.5; letter-spacing: .7px; text-transform: uppercase; color: var(--mint-400); }
.canvas__boundary span:first-child { border-right: 1px dashed var(--mint-700); }
.canvas__footer { flex: none; display: flex; justify-content: space-between; padding: 16px; background: var(--bw-000); border: 1px solid var(--mint-700); border-bottom: 0; border-left: 0; font-family: var(--font-mono); font-size: 12px; font-weight: 500; line-height: 1.5; letter-spacing: .7px; text-transform: uppercase; color: var(--mint-400); }

/* ---------- Overlay ---------- */
.ov { position: fixed; inset: calc(var(--navbar-h) + 8px) 8px 8px 8px; background: var(--hash-black); border: 1px solid var(--mint-700); display: flex; flex-direction: column; z-index: 50; transform-origin: center; animation: mo-overlay-in var(--mo-base) var(--ease-out); }
.ov.is-closing { animation: mo-overlay-out var(--mo-base) var(--ease-standard) forwards; }
.ov::before { content: ""; position: fixed; inset: var(--navbar-h) 0 0 0; background: rgba(0, 0, 0, 0.4); z-index: -1; pointer-events: none; animation: mo-fade var(--mo-base) var(--ease-out); }
.ov.is-closing::before { animation: mo-fade var(--mo-base) var(--ease-standard) reverse forwards; }
/* content cascade after the panel appears (fade-only — a translateY here would
   briefly grow .ov__body's scroll-area and flash a scrollbar) */
.ov__left { animation: mo-fade var(--mo-base) var(--ease-out) 120ms backwards; }
.ov__center { animation: mo-fade var(--mo-base) var(--ease-out) 160ms backwards; }
.ov__right { animation: mo-fade var(--mo-base) var(--ease-out) 200ms backwards; }
.trace__step { animation: mo-scale-in var(--mo-base) var(--ease-out) backwards; animation-delay: calc(200ms + var(--i, 0) * 70ms); transform-origin: left center; }
.ov__head { display: flex; align-items: center; gap: 12px; padding: 16px 20px; background: var(--mint-800); border-bottom: 1px solid var(--mint-700); }
.ov__title { font-weight: 600; font-family: var(--font-sans); line-height: 1.2; }
.ov__head .sb__code { width: auto; padding-right: 16px; border-right: 1px solid var(--mint-700); }
/* Era pill sits on one line; the oversized separator dot must not inflate the
   row height (line-height: 0) or it throws off vertical centering. */
.ov__era { display: inline-flex; align-items: center; font-family: var(--font-mono); font-size: 12px; font-weight: 500; line-height: 1.5; letter-spacing: 0.7px; text-transform: uppercase; color: var(--path-ai); }
.ov__era--traditional { color: var(--path-traditional); }
.ov__mid { color: var(--mint-400); margin-right: 8px; font-family: var(--font-mono); font-weight: 500; font-size: 22px; line-height: 0; }
.ov__close { margin-left: auto; background: transparent; border: 0; color: var(--mint-200); font-size: 16px; cursor: pointer; }
.ov__body { flex: 1; display: grid; grid-template-columns: 455px 1fr 313px; min-height: 0; overflow: auto; }
.ov__left, .ov__right { padding: 0; background: var(--mint-800); display: flex; flex-direction: column; }
.ov__left, .ov__center { border-right: 1px solid var(--mint-700); }
.ov__center { padding: 24px; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }
/* dot grid — middle layer, above the seal, below the trace */
.ov__center::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background-image: radial-gradient(var(--mint-800) 1px, transparent 1px); background-size: 15px 15px; background-position: center; }
/* seal watermark — back layer, faint, tinted via --fill-0 */
.ov__seal { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 0; height: 72%; width: auto; opacity: 0.55; pointer-events: none; --fill-0: var(--mint-800); animation: mo-ov-seal-in var(--mo-draw) var(--ease-out) 140ms backwards; }
.ov__trace-wrap { position: relative; z-index: 2; }
/* Case tabs — equal-width cells (incl. CASE: label). Outer box on the row,
   single 1px dividers via each cell's right border (last one has none), and the
   active underline as an inset shadow so it never adds/duplicates a border. */
.ov__tabs { display: flex; align-items: stretch; border-bottom: 1px solid var(--mint-700); }
.ov__tabs-label, .ov__tab { box-sizing: border-box; flex: 1 1 0; min-width: 0; display: flex; flex-direction: column; justify-content: center; padding: 16px; border: 0; border-right: 1px solid var(--mint-700); font-family: var(--font-mono); font-size: 12px; font-weight: 500; line-height: 1.5; letter-spacing: 0.7px; text-transform: uppercase; text-align: left; }
.ov__tabs > *:last-child { border-right: 0; }
.ov__tabs-label { background: transparent; color: var(--mint-500); }
.ov__tab { background: var(--hash-black); color: var(--mint-300); cursor: pointer; transition: background var(--mo-quick) var(--ease-standard), color var(--mo-quick) var(--ease-standard), box-shadow var(--mo-base) var(--ease-standard); }
.ov__tab:hover:not(.is-on) { color: var(--mint-100); }
.ov__tab.is-on { background: var(--mint-800); color: var(--trace-mint); box-shadow: inset 0 -4px 0 var(--trace-mint); }
/* each block = full-bleed divider (border spans full column), content padded L/R */
.ov__field { border: 0; border-bottom: 1px solid var(--mint-700); background: transparent; padding: 20px 24px; margin: 0; }
.ov__field:last-child { border-bottom: 0; }
.ov__flabel { font-size: 10px; letter-spacing: .7px; text-transform: uppercase; color: var(--mint-500); margin: 0 0 8px; }
.ov__flabel::after { content: ":"; }
.ov__text, .ov__val { font-family: var(--font-sans); font-size: 12px; font-weight: 400; line-height: 1.5; letter-spacing: 0.5px; color: var(--mint-100); margin: 0; }
.ov__chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.ov__chip-wrap { display: inline-flex; align-items: center; gap: 6px; }
.ov__arrow { color: var(--path-ai); font-family: var(--font-mono); font-size: 12px; font-weight: 500; line-height: 1.5; letter-spacing: 0.7px; text-transform: uppercase; }
.ov__chip { display: inline-flex; align-items: center; gap: 6px; background: var(--hash-black); padding: 4px 8px; font-size: 11px; letter-spacing: .5px; text-transform: uppercase; color: var(--mint-300); transition: background var(--mo-quick) var(--ease-standard), color var(--mo-quick) var(--ease-standard); }
.ov__chip--enf { color: var(--trace-mint); }
.ov__chip-icon { width: 13px; height: 13px; flex: none; }
.ov__user { margin: 0; }
.ov__user > div { display: flex; gap: 12px; margin-bottom: 6px; font-size: 12px; }
.ov__user dt { width: 48px; color: var(--mint-500); font-family: var(--font-mono); font-size: 12px; font-weight: 500; line-height: 1.5; letter-spacing: .7px; text-transform: uppercase; }
.ov__user dt::after { content: ":"; }
.ov__user dd { margin: 0; color: var(--mint-100); font-family: var(--font-sans); font-size: 12px; font-weight: 400; line-height: 1.5; letter-spacing: 0.5px; }
.ov__cta { margin: auto 24px 24px; display: block; text-align: center; text-decoration: none; background: var(--hash-black); border: 1px solid var(--hash-black); color: var(--mint-100); font-family: var(--font-mono); font-size: 12px; letter-spacing: .7px; text-transform: uppercase; padding: 14px; transition: background var(--mo-quick) var(--ease-standard), border-color var(--mo-quick) var(--ease-standard); }
.ov__cta:hover { background: var(--mint-700); border-color: var(--mint-700); }
.ov__foot { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px; background: var(--mint-800); border-top: 1px solid var(--mint-700); font-size: 11px; letter-spacing: .7px; text-transform: uppercase; color: var(--mint-500); }

/* Trace — vertical spine, 16px port markers, 48px dashed connectors, node boxes */
.trace { list-style: none; margin: 0; padding: 0; position: relative; }
/* spine draws top→bottom as the steps cascade in; duration scales with the step
   count (--n, set on .trace) so the line reaches each port as that port appears. */
.trace::before { content: ""; position: absolute; left: 8px; top: 28px; bottom: 28px; width: 1px; background: var(--mint-500); transform-origin: top center; animation: mo-grow-y calc((var(--n, 4) - 1) * 70ms + 160ms) var(--ease-out) 200ms backwards; }
.trace__step { display: flex; align-items: center; padding: 12px 0; position: relative; }
.trace__port { flex: none; width: 16px; height: 16px; background: var(--hash-black); border: 1px solid var(--mint-400); position: relative; z-index: 1; }
.trace__port::after { content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 5px; height: 5px; background: var(--mint-400); }
.trace__step--entity .trace__port { border-radius: 50%; border-color: var(--trace-mint); }
.trace__step--entity .trace__port::after { border-radius: 50%; background: var(--trace-mint); }
.trace__conn { flex: none; width: 48px; height: 0; border-top: 1px dashed var(--mint-500); }
.trace__box { display: inline-flex; align-items: center; border: 1px solid var(--mint-500); background: var(--hash-black); box-shadow: 4px 4px 0 0 #000; }
.trace__step--action .trace__box { gap: 8px; padding: 8px 12px; }
.trace__iconbox { flex: none; width: 54px; height: 54px; display: flex; align-items: center; justify-content: center; border-right: 1px solid var(--mint-500); }
.trace__logo { flex: none; width: 32px; height: 32px; }
.trace__initials { font-family: var(--font-mono); font-size: 14px; letter-spacing: .5px; color: var(--mint-300); }
.trace__bullet { flex: none; width: 4px; height: 4px; background: var(--trace-mint); }
.trace__box-label { color: var(--mint-100); white-space: nowrap; }
.trace__step--entity .trace__box-label { padding: 16px 24px; font-family: var(--font-mono); font-weight: 500; font-size: 14px; line-height: 1.5; letter-spacing: .5px; text-transform: uppercase; }
.trace__step--action .trace__box-label { font-family: var(--font-sans); font-weight: 600; font-size: 12px; letter-spacing: .5px; }
.trace__via { display: inline-flex; align-items: center; gap: 8px; color: var(--mint-400); font-family: var(--font-sans); font-size: 12px; letter-spacing: .5px; }
.trace__via-icon { width: 16px; height: 16px; }

/* Responsive — tablet: sidebar narrows */
@media (max-width: 1100px) { :host { --sidebar-w: 300px; } .ov__body { grid-template-columns: 1fr 1fr; } .ov__right { grid-column: 1 / -1; border-top: 1px solid var(--mint-800); } }

/* Responsive — mobile: list-first (SPEC §9). Diagram is hidden; the sidebar list
   + full-screen overlay carry the experience. Goal: clean & unbroken, not a
   redesigned mobile UI. */
@media (max-width: 768px) {
  .app__body { flex-direction: column; }
  .sb { width: 100%; flex: 1; border-left: 0; border-right: 0; }
  .app__canvas { display: none; }

  /* navbar: keep brand + CTA only (stats/online are secondary) */
  .nav { padding: 0 10px; gap: 8px; }
  .nav__stats, .nav__online { display: none; }
  .nav__right { gap: 8px; }
  .nav__cta { padding: 7px 10px; font-size: 11px; white-space: nowrap; }

  /* overlay: single column, everything wraps/stacks, no horizontal overflow */
  .ov { inset: calc(var(--navbar-h) + 6px) 6px 6px 6px; }
  .ov__head { padding: 12px 14px; gap: 8px; }
  .ov__title { font-size: 15px; min-width: 0; }
  .ov__head .sb__code { padding-right: 10px; }
  .ov__body { display: block; overflow-y: auto; }
  .ov__left, .ov__center { border-right: 0; border-bottom: 1px solid var(--mint-800); }
  .ov__left, .ov__right { padding: 0; }
  .ov__field { padding: 16px; }
  /* trace flows top-down (no flex-centering that collapses/clips it); seal off */
  .ov__center { display: block; padding: 16px; }
  .ov__seal { display: none; }
  .trace__conn { width: 24px; }
  .trace__box-label { white-space: normal; }
  .ov__cta { margin: 16px; }
  .ov__foot { flex-wrap: wrap; gap: 4px 12px; padding: 10px 14px; }
}

/* ---------- page-load reveal (runs once on mount) ---------- */
.nav { animation: mo-fade-down var(--mo-base) var(--ease-out) backwards; }
.sb { animation: mo-fade-left var(--mo-base) var(--ease-out) 80ms backwards; }
.canvas__topbar, .canvas__boundary, .canvas__footer { animation: mo-fade var(--mo-base) var(--ease-out) 150ms backwards; }
.canvas__seal { animation: mo-seal-in var(--mo-draw) var(--ease-out) 200ms backwards; }
.canvas__chart::after { animation: mo-fade var(--mo-base) var(--ease-out) 200ms backwards; }
.canvas__node { transform-box: fill-box; transform-origin: center; transition: opacity var(--mo-base) var(--ease-standard), transform var(--mo-quick) var(--ease-standard), filter var(--mo-quick) var(--ease-standard); animation: mo-scale-in var(--mo-base) var(--ease-out) backwards; animation-delay: calc(380ms + var(--i, 0) * var(--mo-stagger)); }
/* the mask draws itself source→destination, revealing the real (dashed/solid)
   path progressively — no separate fade on .canvas__path. At rest it's fully
   drawn (dashoffset 0); the page-load draw runs once (.is-revealing) and hover
   re-paints the corridor (.is-emph). */
.canvas__path-mask { fill: none; stroke-dasharray: 1; }
.canvas__chart.is-revealing .canvas__path-mask { animation: mo-draw var(--mo-draw) var(--ease-out) backwards; animation-delay: calc(780ms + var(--i, 0) * 30ms); }
.canvas__path-mask.is-emph { animation: mo-draw var(--mo-draw) var(--ease-standard); }
.canvas__marker-pop { transform-box: fill-box; transform-origin: center; animation: mo-pop var(--mo-quick) var(--ease-pop) backwards; animation-delay: calc(1450ms + var(--i, 0) * 30ms); }

/* reduced-motion is handled globally in motion.css */