/* =========================================================================
   Cloudflare AI Demo Console — design system
   Dark, Linear/Vercel-style. Projector-safe type (min 11px).
   ========================================================================= */

:root {
  /* Surfaces: page → panel → raised → overlay */
  --bg: #07080a;
  --panel: #0c0d10;
  --panel-2: #111216;
  --panel-3: #16171c;
  --glass: rgba(14, 15, 19, .72);
  --line: rgba(255, 255, 255, .07);
  --line-2: rgba(255, 255, 255, .11);
  --line-3: rgba(255, 255, 255, .18);

  /* Text */
  --text: #ededef;
  --text-2: #a9a9b3;
  --text-3: #7d7d88;
  --text-4: #5a5a64;

  /* Brand + semantic */
  --orange: #f6821f;
  --orange-2: #ffa552;
  --green: #3ecf8e;
  --blue: #5b9cff;
  --pink: #f472b6;
  --purple: #a78bfa;
  --yellow: #f5c451;
  --red: #f5545b;
  --accent: var(--orange);

  /* Type */
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --fs-11: 11px;
  --fs-12: 12px;
  --fs-13: 13px;
  --fs-14: 14px;
  --fs-16: 16px;
  --fs-18: 18px;
  --fs-display: clamp(28px, 2.4vw, 40px);

  /* Space (4px grid) + radii */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 20px; --s-6: 24px; --s-8: 32px;
  --r-sm: 6px; --r-md: 10px; --r-lg: 14px; --r-xl: 18px;

  /* Motion */
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
  --d-1: 120ms; --d-2: 200ms; --d-3: 360ms; --d-4: 600ms;

  /* Elevation */
  --hairline-top: inset 0 1px 0 rgba(255, 255, 255, .045);
  --shadow-1: var(--hairline-top), 0 1px 2px rgba(0, 0, 0, .35);
  --shadow-2: var(--hairline-top), 0 18px 50px -12px rgba(0, 0, 0, .6);
  --shadow-3: var(--hairline-top), 0 40px 120px -20px rgba(0, 0, 0, .8);

  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 400 var(--fs-14)/1.5 var(--font-sans);
  font-feature-settings: "cv11", "ss01", "ss03";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
button, input, a { color: inherit; font: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
svg.i { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.mono { font-family: var(--font-mono); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 2px solid color-mix(in srgb, var(--accent) 80%, white); outline-offset: 2px; border-radius: var(--r-sm); }

/* Ambient background */
.bg-glow { position: fixed; inset: 0; pointer-events: none; z-index: -1; overflow: hidden; }
.bg-glow::before, .bg-glow::after { content: ""; position: absolute; border-radius: 50%; filter: blur(90px); }
.bg-glow::before { width: 900px; height: 500px; left: 50%; top: -320px; transform: translateX(-50%); background: color-mix(in srgb, var(--accent) 16%, transparent); transition: background var(--d-4) var(--ease-out); }
.bg-glow::after { width: 700px; height: 400px; right: -260px; bottom: -260px; background: rgba(91, 156, 255, .06); }
.bg-grid { position: fixed; inset: 0; pointer-events: none; z-index: -1; background-image: linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px); background-size: 48px 48px; mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent 75%); }

/* Shared atoms */
.eyebrow { font: 500 var(--fs-11)/1.2 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); }
kbd { display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding: 0 5px; border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 5px; background: var(--panel-2); color: var(--text-2); font: 500 var(--fs-11)/1 var(--font-mono); }
.card { position: relative; border: 1px solid var(--line); border-radius: var(--r-lg); background: linear-gradient(180deg, rgba(255,255,255,.028), rgba(255,255,255,.008)) , var(--panel); box-shadow: var(--shadow-2); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); min-height: 44px; padding: 0 var(--s-4); border-bottom: 1px solid var(--line); }
.card-title { font: 500 var(--fs-11)/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 22px; padding: 0 8px; border: 1px solid var(--line-2); border-radius: 999px; color: var(--text-2); font: 500 var(--fs-11)/1 var(--font-mono); white-space: nowrap; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 36px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: var(--r-md); background: var(--panel-2); color: var(--text); font: 500 var(--fs-13)/1 var(--font-sans); white-space: nowrap; box-shadow: var(--shadow-1); transition: background var(--d-1) var(--ease-out), border-color var(--d-1) var(--ease-out), transform var(--d-1) var(--ease-out), color var(--d-1); }
.btn:hover { background: var(--panel-3); border-color: var(--line-3); }
.btn:active { transform: scale(.97); }
.btn[aria-pressed="true"] { border-color: color-mix(in srgb, var(--accent) 55%, transparent); background: color-mix(in srgb, var(--accent) 12%, var(--panel-2)); color: color-mix(in srgb, var(--accent) 35%, white); }
.btn-primary { border-color: transparent; background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 88%, white), var(--accent)); color: #0b0b0d; font-weight: 600; box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 8px 24px -8px color-mix(in srgb, var(--accent) 70%, transparent); }
.btn-primary:hover { background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 75%, white), color-mix(in srgb, var(--accent) 92%, white)); border-color: transparent; }
.btn .spin { display: none; width: 14px; height: 14px; border: 2px solid rgba(0,0,0,.25); border-top-color: #0b0b0d; border-radius: 50%; animation: spin .8s linear infinite; }
.btn.is-running .spin { display: block; }
.btn.is-running .replay-icon { display: none; }
.btn-icon { width: 36px; padding: 0; }
.step-nav { display: inline-flex; gap: 4px; }
.step-nav:not(:has(:not([hidden]))) { display: none; }
.btn-next.is-waiting { border-color: color-mix(in srgb, var(--accent) 70%, transparent); color: var(--text); animation: nudge 1.6s var(--ease-in-out) infinite; }
.step-chip { margin-left: auto; margin-right: var(--s-3); gap: 4px; color: var(--text-3); }
.step-chip[hidden] { display: none; }
.step-chip kbd { min-width: 18px; height: 18px; }
.step-chip.is-waiting { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 50%, transparent); animation: nudge 1.6s var(--ease-in-out) infinite; }
.step-chip.is-waiting span::after { content: " · press → to continue"; }
.segmented { position: relative; display: inline-flex; padding: 3px; border: 1px solid var(--line-2); border-radius: var(--r-md); background: var(--panel); }
.segmented[hidden] { display: none; }
.segmented button { position: relative; z-index: 1; height: 28px; padding: 0 12px; border-radius: 7px; color: var(--text-3); font: 500 var(--fs-13)/1 var(--font-sans); transition: color var(--d-2) var(--ease-out); }
.segmented button[aria-checked="true"] { color: var(--text); }
.segmented button[data-mode="attack"][aria-checked="true"] { color: #ffd7d9; }
.segmented .seg-thumb { position: absolute; top: 3px; bottom: 3px; left: 3px; border-radius: 7px; background: var(--panel-3); box-shadow: var(--shadow-1); transition: transform var(--d-3) var(--ease-out), width var(--d-3) var(--ease-out), background var(--d-3); }
.segmented.is-attack .seg-thumb { background: color-mix(in srgb, var(--red) 22%, var(--panel-3)); }

/* Top bar */
.topbar { position: sticky; top: 0; z-index: 30; height: 60px; display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); padding: 0 var(--s-6); border-bottom: 1px solid var(--line); background: var(--glass); backdrop-filter: blur(18px) saturate(1.4); -webkit-backdrop-filter: blur(18px) saturate(1.4); }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: var(--fs-14); letter-spacing: -.01em; text-decoration: none; }
.brand-mark { width: 34px; height: 22px; flex: none; }
.brand-sub { color: var(--text-3); font-weight: 400; }
.topbar-center { display: flex; align-items: center; gap: 6px; color: var(--text-3); font-size: var(--fs-12); }
.top-actions { display: flex; align-items: center; gap: var(--s-2); }
.live-pill { display: inline-flex; align-items: center; gap: 8px; height: 30px; padding: 0 12px; border: 1px solid color-mix(in srgb, var(--green) 28%, transparent); border-radius: 999px; background: color-mix(in srgb, var(--green) 7%, transparent); color: var(--green); font: 500 var(--fs-11)/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; transition: color var(--d-2), border-color var(--d-2), background var(--d-2); }
.live-pill i { width: 7px; height: 7px; border-radius: 50%; background: currentColor; animation: ping 1.8s var(--ease-out) infinite; }
.live-pill.is-paused { color: var(--yellow); border-color: color-mix(in srgb, var(--yellow) 30%, transparent); background: color-mix(in srgb, var(--yellow) 7%, transparent); }
.live-pill.is-paused i { animation: none; }
.live-pill.is-blocked { color: var(--red); border-color: color-mix(in srgb, var(--red) 35%, transparent); background: color-mix(in srgb, var(--red) 8%, transparent); }
.os-link { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; border: 1px solid var(--line-2); border-radius: 999px; font-size: var(--fs-12); font-weight: 500; text-decoration: none; color: var(--text-2); transition: color var(--d-1), border-color var(--d-1); }
.os-link:hover { color: var(--text); border-color: var(--orange); }

/* Dashboard grid */
.dashboard { display: grid; grid-template-columns: 252px minmax(0, 1fr) 328px; max-width: 1800px; min-height: calc(100vh - 60px); margin: 0 auto; }

/* Sidebar */
.sidebar { position: sticky; top: 60px; align-self: start; height: calc(100vh - 60px); display: flex; flex-direction: column; gap: var(--s-3); padding: var(--s-5) var(--s-3); border-right: 1px solid var(--line); overflow-y: auto; scrollbar-width: thin; }
.side-head { display: flex; align-items: center; justify-content: space-between; padding: 0 var(--s-2); }
.side-head b { color: var(--orange-2); font: 500 var(--fs-11)/1 var(--font-mono); }
.search { display: flex; align-items: center; gap: 8px; height: 36px; padding: 0 8px 0 10px; border: 1px solid var(--line-2); border-radius: var(--r-md); background: var(--panel); color: var(--text-3); transition: border-color var(--d-1), box-shadow var(--d-2); }
.search:focus-within { border-color: color-mix(in srgb, var(--accent) 60%, transparent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent); }
.search input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--text); font-size: var(--fs-13); }
.search input::placeholder { color: var(--text-4); }
.search input::-webkit-search-cancel-button { display: none; }
.scenario-list { position: relative; display: flex; flex-direction: column; }
.nav-indicator { position: absolute; left: 0; top: 0; z-index: 0; border: 1px solid var(--line-2); border-radius: var(--r-md); background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 13%, transparent), rgba(255,255,255,.025)); box-shadow: var(--shadow-1), inset 2px 0 0 var(--accent); pointer-events: none; opacity: 0; transition: transform var(--d-3) var(--ease-out), width var(--d-3) var(--ease-out), height var(--d-3) var(--ease-out), opacity var(--d-2); }
.nav-indicator.is-visible { opacity: 1; }
.scenario-group { margin: var(--s-4) var(--s-2) var(--s-1); color: var(--text-4); font: 500 var(--fs-11)/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; }
.scenario-group:first-child { margin-top: var(--s-1); }
.scenario-button { position: relative; z-index: 1; display: grid; grid-template-columns: 30px minmax(0, 1fr) auto; align-items: center; gap: 10px; width: 100%; padding: 8px; border-radius: var(--r-md); text-align: left; transition: background var(--d-1) var(--ease-out), transform var(--d-1) var(--ease-out); animation: rise var(--d-4) var(--ease-out) both; animation-delay: calc(var(--i, 0) * 28ms); }
.scenario-button:hover { background: rgba(255,255,255,.035); }
.scenario-button:active { transform: scale(.985); }
.scenario-button.is-active:hover { background: transparent; }
.scenario-icon { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; color: var(--icon); background: color-mix(in srgb, var(--icon) 13%, transparent); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--icon) 20%, transparent); }
.scenario-text { min-width: 0; }
.scenario-text strong { display: block; font-size: var(--fs-13); font-weight: 500; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color var(--d-1); }
.scenario-button:hover strong, .scenario-button.is-active strong { color: var(--text); }
.scenario-text small { display: block; margin-top: 1px; color: var(--text-4); font-size: var(--fs-12); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.scenario-key { min-width: 18px; height: 18px; font-size: var(--fs-11); opacity: .7; }
.scenario-button.is-active .scenario-key { opacity: 1; border-color: color-mix(in srgb, var(--accent) 50%, transparent); color: var(--text); }
.scenario-attack { width: 6px; height: 6px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 3px color-mix(in srgb, var(--red) 18%, transparent); }
.nav-empty { padding: var(--s-4); border: 1px dashed var(--line-2); border-radius: var(--r-md); color: var(--text-3); font-size: var(--fs-13); text-align: center; }
.nav-empty[hidden] { display: none; }
.nav-empty b { color: var(--text); font-weight: 500; }
.nav-empty button { display: block; margin: var(--s-2) auto 0; color: var(--accent); font-size: var(--fs-13); font-weight: 500; }
.coverage { margin-top: auto; padding: var(--s-3) var(--s-4); border: 1px solid var(--line); border-radius: var(--r-md); background: var(--panel); }
.coverage b { display: block; font-size: var(--fs-13); font-weight: 500; }
.coverage p { margin: 4px 0 0; color: var(--text-3); font-size: var(--fs-12); line-height: 1.5; }

/* Main stage */
.mainstage { min-width: 0; display: flex; flex-direction: column; gap: var(--s-4); padding: var(--s-6) clamp(16px, 2vw, 28px) var(--s-8); }
.stage-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--s-5); flex-wrap: wrap; }
.stage-intro { min-width: 0; flex: 1 1 420px; }
.stage-intro .eyebrow { color: var(--accent); transition: color var(--d-3); }
h1 { margin: 10px 0 8px; font-size: var(--fs-display); font-weight: 600; line-height: 1.08; letter-spacing: -.035em; background: linear-gradient(180deg, #fff 30%, #a9a9b3); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stage-copy { max-width: 720px; margin: 0; color: var(--text-2); font-size: var(--fs-16); line-height: 1.55; }
.swap { animation: swap-in var(--d-4) var(--ease-out) both; }
.controls { display: flex; align-items: center; gap: var(--s-2); flex-wrap: wrap; }

/* Architecture */
.architecture { container-type: inline-size; overflow: hidden; }
.legend { display: flex; align-items: center; gap: var(--s-4); color: var(--text-3); font-size: var(--fs-12); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 8px; height: 8px; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 3px color-mix(in srgb, var(--c) 18%, transparent); }
.legend i.dash { width: 14px; height: 0; border-radius: 0; border-top: 1.5px dashed var(--c); box-shadow: none; background: none; }
.flow { position: relative; height: clamp(500px, 54cqw, 600px); overflow: hidden; isolation: isolate; background: radial-gradient(ellipse 60% 70% at 40% 50%, color-mix(in srgb, var(--accent) 6%, transparent), transparent 70%), radial-gradient(rgba(255,255,255,.06) .8px, transparent .8px) 0 0 / 20px 20px; transition: background var(--d-4); }
.flow.is-compact { height: 860px; }
.flow.is-loading::after { content: "Loading network…"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--text-3); font: 500 var(--fs-12) var(--font-mono); }
.flow-error { position: absolute; inset: var(--s-6); display: grid; place-items: center; text-align: center; border: 1px dashed color-mix(in srgb, var(--red) 40%, transparent); border-radius: var(--r-lg); color: var(--text-2); }
.topology-lines, .fx-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.topology-lines { z-index: 1; overflow: visible; }
.fx-canvas { z-index: 4; }
.cf-boundary { position: absolute; left: 0; top: 0; z-index: 0; border: 1px solid color-mix(in srgb, var(--orange) 30%, transparent); border-radius: 28px; background: linear-gradient(180deg, rgba(246,130,31,.045), rgba(246,130,31,.012)); box-shadow: inset 0 0 80px rgba(246,130,31,.04), 0 0 0 6px rgba(246,130,31,.02); pointer-events: none; }
.cf-boundary span { position: absolute; left: 22px; top: 0; transform: translateY(-50%); display: inline-flex; align-items: center; gap: 8px; padding: 3px 10px; border: 1px solid color-mix(in srgb, var(--orange) 30%, transparent); border-radius: 999px; background: #120d09; color: var(--orange-2); font: 500 var(--fs-11)/1.2 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; }
.cf-boundary span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }

/* Edges */
.edge { fill: none; stroke: rgba(255,255,255,.11); stroke-width: 1.25; stroke-dasharray: 3 6; transition: stroke var(--d-3), opacity var(--d-3), stroke-width var(--d-2); }
.edge.is-used { stroke: color-mix(in srgb, var(--c, var(--accent)) 42%, transparent); stroke-width: 1.5; stroke-dasharray: 2 7; animation: dash-flow 1.6s linear infinite; }
.edge.is-done { stroke: color-mix(in srgb, var(--c, var(--accent)) 75%, transparent); stroke-dasharray: none; animation: none; }
.edge.is-live { stroke: var(--c, var(--accent)); stroke-width: 2.25; stroke-dasharray: none; animation: none; filter: drop-shadow(0 0 6px var(--c, var(--accent))); }
.edge.is-blocked { stroke: var(--red); stroke-dasharray: none; filter: drop-shadow(0 0 6px var(--red)); }
.edge.is-passive { stroke-dasharray: 4 5; animation: none; }
.edge.is-hidden { opacity: 0; }

/* Nodes — the element IS the orb; labels hang off it */
.node { position: absolute; left: 0; top: 0; z-index: 3; width: var(--o); height: var(--o); margin: calc(var(--o) / -2) 0 0 calc(var(--o) / -2); padding: 0; text-align: center; will-change: transform; transition: opacity var(--d-3) var(--ease-out), filter var(--d-3); --c: var(--accent); --o: 52px; }
.node.is-hidden { opacity: 0; pointer-events: none; }
.node-orb { position: relative; display: grid; place-items: center; width: 100%; height: 100%; border: 1px solid color-mix(in srgb, var(--c) 30%, var(--line-2)); border-radius: 16px; background: radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--c) 20%, transparent), transparent 70%), var(--panel-2); color: var(--c); box-shadow: var(--shadow-1), 0 0 0 0 color-mix(in srgb, var(--c) 0%, transparent); transition: transform var(--d-2) var(--ease-spring), box-shadow var(--d-3) var(--ease-out), border-color var(--d-3), background var(--d-3), color var(--d-3); }
.node-orb svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.node-label { position: absolute; left: 50%; width: 150px; transform: translateX(-50%); pointer-events: none; }
.label-below .node-label { top: calc(100% + 8px); }
.label-above .node-label { bottom: calc(100% + 8px); display: flex; flex-direction: column-reverse; }
.label-right .node-label { left: calc(100% + 12px); top: 50%; width: 136px; transform: translateY(-50%); text-align: left; }
.node-label strong { display: block; font-size: var(--fs-13); font-weight: 600; color: var(--text); letter-spacing: -.005em; }
.node-label small { display: -webkit-box; margin-top: 2px; color: var(--text-3); font-size: var(--fs-12); line-height: 1.35; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.label-above .node-label small { margin: 0 0 2px; }
.node-tag { display: inline-block; margin-top: 5px; padding: 1px 7px; border: 1px dashed var(--line-3); border-radius: 999px; color: var(--text-3); font: 500 var(--fs-11)/1.5 var(--font-mono); }
.node:hover .node-orb, .node:focus-visible .node-orb { transform: scale(1.08); border-color: color-mix(in srgb, var(--c) 70%, transparent); }
.node:focus-visible { outline: none; }
.node:focus-visible .node-orb { outline: 2px solid var(--c); outline-offset: 4px; }
.node.is-idle { opacity: .38; filter: saturate(.2); }
.node.is-idle:hover, .node.is-idle:focus-visible { opacity: .9; filter: none; }
.node.is-idle .node-orb { color: var(--text-3); border-color: var(--line-2); background: var(--panel-2); }
.node.is-current .node-orb { border-color: var(--c); box-shadow: var(--shadow-1), 0 0 0 6px color-mix(in srgb, var(--c) 14%, transparent), 0 0 36px color-mix(in srgb, var(--c) 45%, transparent); animation: node-breathe 1.4s var(--ease-in-out) infinite alternate; }
.node.is-done .node-orb::after { content: ""; position: absolute; right: -4px; top: -4px; width: 14px; height: 14px; border-radius: 50%; background: var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%23062b1b' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat; box-shadow: 0 0 0 3px var(--panel); animation: pop var(--d-3) var(--ease-spring) both; }
.node.is-blocked { --c: var(--red); }
.node.is-blocked .node-orb { border-color: var(--red); color: var(--red); box-shadow: 0 0 0 6px rgba(245,84,91,.16), 0 0 40px rgba(245,84,91,.5); animation: shake .42s var(--ease-out); }
.node.is-wait .node-orb { border-color: var(--yellow); box-shadow: 0 0 0 6px rgba(245,196,81,.14), 0 0 30px rgba(245,196,81,.35); }
.node.is-transit .node-orb { box-shadow: 0 0 0 4px color-mix(in srgb, var(--c) 12%, transparent); }

.node-requester, .node-external { --o: 56px; }
.node-requester .node-orb { border-radius: 18px; --c: var(--blue); }
.node-requester { --c: var(--blue); }
.node-external { --c: var(--ext, var(--green)); }
.node-external .node-orb { border-radius: 50%; }
.node-requester .node-label, .node-external .node-label { width: 124px; }
.node-external.is-passive .node-orb { border-style: dashed; background: var(--panel); }
.flow.is-compact .node-domain .node-label { width: 120px; }
.flow.is-compact .label-right .node-label { width: 136px; }
.flow.is-compact .hub-pill strong { display: none; }
.flow.is-compact .flow-status { display: none; }

/* Hub = globe */
.node-hub { --o: var(--globe, 168px); z-index: 2; }
.node-hub .node-orb { border: 0; border-radius: 50%; background: radial-gradient(circle at 50% 50%, rgba(246,130,31,.09), transparent 62%); box-shadow: none; }
.node-hub .node-orb::before { content: ""; position: absolute; inset: -14%; border-radius: 50%; background: radial-gradient(circle, rgba(246,130,31,.18), transparent 62%); z-index: -1; animation: halo 4s var(--ease-in-out) infinite alternate; }
.node-hub:hover .node-orb, .node-hub:focus-visible .node-orb { transform: scale(1.03); }
.node-hub.is-current .node-orb { animation: none; box-shadow: none; }
.node-hub.is-current .node-orb::before { background: radial-gradient(circle, color-mix(in srgb, var(--accent) 34%, transparent), transparent 64%); }
.globe-canvas { position: absolute; inset: 0; width: 100%; height: 100%; border-radius: 50%; }
.hub-pill { position: absolute; left: 50%; bottom: -12px; transform: translateX(-50%); display: inline-flex; align-items: center; gap: 7px; padding: 5px 11px; border: 1px solid color-mix(in srgb, var(--orange) 40%, transparent); border-radius: 999px; background: rgba(18, 12, 8, .92); backdrop-filter: blur(8px); white-space: nowrap; box-shadow: 0 8px 24px -8px rgba(0,0,0,.8); }
.hub-pill strong { font-size: var(--fs-12); font-weight: 600; color: var(--text); }
.hub-pill small { color: var(--orange-2); font: 500 var(--fs-11)/1 var(--font-mono); }

/* Agent swarm (multi-agent only) */
.agent-swarm { position: absolute; top: 50%; left: calc(100% + 10px); display: flex; gap: 5px; transform: translateY(-50%); pointer-events: none; }
.label-right ~ .agent-swarm, .label-right .agent-swarm { top: calc(100% + 10px); left: 50%; transform: translateX(-50%); }
.agent-swarm i { display: grid; place-items: center; width: 22px; height: 22px; border: 1px solid color-mix(in srgb, var(--pink) 45%, transparent); border-radius: 50%; background: #1d1118; color: var(--pink); opacity: .55; transition: opacity var(--d-2), transform var(--d-2) var(--ease-spring); }
.agent-swarm i svg { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 2; }
.agent-swarm.is-live i { animation: handoff 1.2s var(--ease-in-out) infinite; }
.agent-swarm.is-live i:nth-child(2) { animation-delay: .2s; }
.agent-swarm.is-live i:nth-child(3) { animation-delay: .4s; }

/* Packet + callout */
.traffic-packet { position: absolute; left: 0; top: 0; z-index: 5; width: 12px; height: 12px; margin: -6px 0 0 -6px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 3px var(--pc, var(--accent)), 0 0 18px 4px var(--pc, var(--accent)); opacity: 0; pointer-events: none; will-change: transform; transition: opacity var(--d-2), box-shadow var(--d-2); }
.traffic-packet.is-visible { opacity: 1; }
.traffic-packet.is-response { --pc: var(--green); }
.traffic-packet.is-blocked { --pc: var(--red); }
.callout { position: absolute; left: 0; top: 0; z-index: 6; pointer-events: none; will-change: transform; }
.callout span { position: absolute; left: 0; bottom: 0; transform: translate(-50%, -6px) scale(.92); display: inline-flex; align-items: center; gap: 7px; max-width: 240px; padding: 6px 10px; border: 1px solid color-mix(in srgb, var(--cc, var(--accent)) 45%, transparent); border-radius: 8px; background: rgba(12, 13, 16, .92); backdrop-filter: blur(10px); color: var(--text); font: 500 var(--fs-12)/1.3 var(--font-mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; opacity: 0; box-shadow: 0 12px 30px -10px rgba(0,0,0,.9); transition: opacity var(--d-2) var(--ease-out), transform var(--d-3) var(--ease-spring); }
.callout.is-below span { bottom: auto; top: 0; transform: translate(-50%, 6px) scale(.92); }
.callout span::before { content: ""; flex: none; width: 7px; height: 7px; border-radius: 50%; background: var(--cc, var(--accent)); }
.callout.is-visible span { opacity: 1; transform: translate(-50%, -14px) scale(1); }
.callout.is-visible.is-below span { transform: translate(-50%, 14px) scale(1); }
.callout.ok { --cc: var(--green); } .callout.warn, .callout.wait { --cc: var(--yellow); } .callout.block { --cc: var(--red); }
.flow-status { position: absolute; left: var(--s-4); bottom: var(--s-3); z-index: 6; display: flex; align-items: center; gap: 8px; color: var(--text-4); font: 500 var(--fs-11)/1 var(--font-mono); }
.flow-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.flow-hint { position: absolute; right: var(--s-4); bottom: var(--s-3); z-index: 6; color: var(--text-4); font-size: var(--fs-12); }

/* Simulation strip */
.sim-strip { display: grid; grid-template-columns: 92px minmax(0, 1fr) minmax(220px, 300px); grid-template-areas: "phase progress progress" "phase copy effect"; align-items: center; gap: var(--s-3) var(--s-5); padding: var(--s-4) var(--s-5); border-top: 1px solid var(--line); background: linear-gradient(180deg, rgba(255,255,255,.015), transparent), var(--panel); }
.sim-phase { grid-area: phase; align-self: stretch; display: flex; flex-direction: column; justify-content: center; gap: 4px; padding-right: var(--s-4); border-right: 1px solid var(--line); }
.sim-phase b { font: 600 var(--fs-18)/1 var(--font-mono); color: var(--text); font-variant-numeric: tabular-nums; }
.sim-phase span { font: 500 var(--fs-11)/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.sim-phase.is-blocked span { color: var(--red); }
.sim-progress { grid-area: progress; display: flex; gap: 4px; }
.sim-progress .seg { position: relative; flex: 1; height: 4px; border-radius: 2px; background: rgba(255,255,255,.07); overflow: hidden; }
.sim-progress .seg i { position: absolute; inset: 0; transform-origin: left; transform: scaleX(0); background: var(--accent); border-radius: inherit; }
.sim-progress .seg.is-done i { transform: scaleX(1); }
.sim-progress .seg.is-blocked i { transform: scaleX(1); background: var(--red); }
.sim-progress .seg.is-skipped { background: repeating-linear-gradient(90deg, rgba(255,255,255,.06) 0 4px, transparent 4px 7px); }
.sim-progress .seg.is-response i { background: var(--green); }
.sim-copy { grid-area: copy; min-width: 0; }
.sim-copy b { display: block; font-size: var(--fs-16); font-weight: 600; letter-spacing: -.01em; }
.sim-copy span { display: block; margin-top: 3px; color: var(--text-2); font-size: var(--fs-14); line-height: 1.5; }
.sim-effect { grid-area: effect; align-self: stretch; padding: 10px 12px; border: 1px solid color-mix(in srgb, var(--accent) 26%, var(--line)); border-radius: var(--r-md); background: color-mix(in srgb, var(--accent) 6%, var(--panel-2)); color: var(--text-2); font-size: var(--fs-13); line-height: 1.45; transition: border-color var(--d-3), background var(--d-3); }
.sim-effect strong { display: block; margin-bottom: 3px; color: var(--accent); font: 600 var(--fs-11)/1 var(--font-mono); letter-spacing: .08em; }
.sim-effect.is-blocked { border-color: color-mix(in srgb, var(--red) 45%, transparent); background: color-mix(in srgb, var(--red) 9%, var(--panel-2)); }
.sim-effect.is-blocked strong { color: var(--red); }
.sim-effect.is-result { border-color: color-mix(in srgb, var(--green) 40%, transparent); background: color-mix(in srgb, var(--green) 7%, var(--panel-2)); }
.sim-effect.is-result strong { color: var(--green); }

/* Trace */
.trace-head-right { display: flex; align-items: center; gap: var(--s-2); }
.trace-id { color: var(--text-4); font: 500 var(--fs-12)/1 var(--font-mono); }
.trace-steps { display: grid; grid-template-columns: repeat(var(--n, 5), minmax(0, 1fr)); margin: 0; padding: 0; list-style: none; }
.trace-step { position: relative; min-height: 96px; padding: var(--s-4); border-right: 1px solid var(--line); transition: background var(--d-3) var(--ease-out), opacity var(--d-3); animation: rise var(--d-4) var(--ease-out) both; animation-delay: calc(var(--i, 0) * 50ms); }
.trace-step:last-child { border-right: 0; }
.trace-step::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--sc, transparent); transform: scaleX(0); transform-origin: left; transition: transform var(--d-4) var(--ease-out); }
.trace-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.trace-num { font: 500 var(--fs-11)/1 var(--font-mono); color: var(--text-4); }
.trace-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line-3); }
.trace-step b { display: block; font-size: var(--fs-14); font-weight: 600; }
.trace-step small { display: block; margin-top: 3px; color: var(--text-3); font-size: var(--fs-12); line-height: 1.4; }
.trace-domain { display: inline-block; margin-top: 8px; color: var(--dc, var(--text-4)); font: 500 var(--fs-11)/1 var(--font-mono); }
.trace-step.is-pending { opacity: .55; }
.trace-step.is-current { background: color-mix(in srgb, var(--accent) 7%, transparent); --sc: var(--accent); }
.trace-step.is-current::after { transform: scaleX(1); }
.trace-step.is-current .trace-dot { background: var(--accent); animation: ping 1.1s var(--ease-out) infinite; }
.trace-step.is-done { --sc: var(--green); }
.trace-step.is-done::after { transform: scaleX(1); }
.trace-step.is-done .trace-dot { background: var(--green); }
.trace-step.is-warn .trace-dot, .trace-step.is-wait .trace-dot { background: var(--yellow); }
.trace-step.is-warn, .trace-step.is-wait { --sc: var(--yellow); }
.trace-step.is-blocked { background: color-mix(in srgb, var(--red) 8%, transparent); --sc: var(--red); }
.trace-step.is-blocked::after { transform: scaleX(1); }
.trace-step.is-blocked .trace-dot { background: var(--red); }
.trace-step.is-skipped { opacity: .35; }
.trace-step.is-skipped b { text-decoration: line-through; text-decoration-color: var(--text-4); }

/* Right rail */
.rail { min-width: 0; display: flex; flex-direction: column; gap: var(--s-4); padding: var(--s-6) var(--s-5) var(--s-8) 0; }
.rail .card { box-shadow: var(--shadow-1); }
.rail-body { padding: var(--s-4); }
.status-ok { color: var(--green); }
.metrics { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: var(--s-2); }
.metric { min-width: 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--panel-2); }
.metric span { display: block; color: var(--text-3); font: 500 var(--fs-11)/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; }
.metric b { display: block; margin-top: 8px; font: 600 var(--fs-18)/1 var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: -.02em; white-space: nowrap; }
.metric small { display: block; margin-top: 4px; color: var(--text-3); font-size: var(--fs-11); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.spark { display: flex; align-items: flex-end; gap: 3px; height: 40px; margin-top: var(--s-3); padding-top: var(--s-2); border-top: 1px dashed var(--line); }
.spark i { flex: 1; min-width: 4px; height: var(--h); border-radius: 2px 2px 0 0; background: linear-gradient(180deg, var(--c), color-mix(in srgb, var(--c) 30%, transparent)); transform-origin: bottom; animation: bar-in var(--d-4) var(--ease-out) both; }
.spark-empty { flex: 1; align-self: center; color: var(--text-4); font-size: var(--fs-12); text-align: center; }
.product-stack { display: flex; flex-direction: column; gap: 6px; }
.product { display: grid; grid-template-columns: 36px minmax(0, 1fr) auto; align-items: center; gap: 10px; width: 100%; padding: 7px 8px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--panel-2); text-align: left; transition: border-color var(--d-2), background var(--d-2), transform var(--d-2) var(--ease-out), opacity var(--d-2); animation: slide-in var(--d-4) var(--ease-out) both; animation-delay: calc(var(--i, 0) * 40ms); }
.product:hover { border-color: var(--line-3); }
.product:active { transform: scale(.985); }
.product-code { display: grid; place-items: center; height: 28px; border-radius: 7px; color: var(--p); background: color-mix(in srgb, var(--p) 13%, transparent); font: 600 var(--fs-11)/1 var(--font-mono); }
.product b { display: block; font-size: var(--fs-13); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.product small { display: block; color: var(--text-3); font-size: var(--fs-12); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.product em { font: normal 500 var(--fs-11)/1 var(--font-mono); color: var(--text-4); }
.product.is-current { border-color: color-mix(in srgb, var(--p) 60%, transparent); background: color-mix(in srgb, var(--p) 9%, var(--panel-2)); transform: translateX(-3px); box-shadow: 3px 0 0 var(--p) inset; }
.product.is-current em { color: var(--p); }
.product.is-done em { color: var(--green); }
.product.is-blocked { border-color: color-mix(in srgb, var(--red) 60%, transparent); background: color-mix(in srgb, var(--red) 9%, var(--panel-2)); }
.product.is-blocked em { padding: 3px 6px; border-radius: 4px; background: var(--red); color: #200405; font-weight: 600; }
.event-log { position: relative; display: flex; flex-direction: column; min-height: 240px; max-height: 300px; overflow: hidden; }
.event-log::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 40px; background: linear-gradient(transparent, var(--panel)); pointer-events: none; }
.event-empty { margin: auto; color: var(--text-4); font-size: var(--fs-13); text-align: center; }
.event-empty::before { content: ""; display: block; width: 8px; height: 8px; margin: 0 auto 10px; border-radius: 50%; background: var(--text-4); animation: ping 1.6s var(--ease-out) infinite; }
.event { display: grid; grid-template-columns: 62px 10px minmax(0, 1fr); gap: 8px; align-items: baseline; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: var(--fs-12); line-height: 1.45; animation: event-in var(--d-3) var(--ease-out) both; }
.event time { color: var(--text-4); font: 500 var(--fs-11)/1.45 var(--font-mono); font-variant-numeric: tabular-nums; }
.event i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); transform: translateY(-1px); }
.event.warn i, .event.wait i { background: var(--yellow); } .event.block i { background: var(--red); } .event.info i { background: var(--text-3); }
.event span { min-width: 0; color: var(--text-2); }
.event b { color: var(--text); font-weight: 600; }
.event.block b { color: var(--red); }
.docs-link { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); padding: 12px 14px; border: 1px solid var(--line-2); border-radius: var(--r-md); background: var(--panel-2); color: var(--text); font-size: var(--fs-13); font-weight: 500; text-decoration: none; transition: border-color var(--d-1), transform var(--d-1) var(--ease-out); }
.docs-link:hover { border-color: var(--orange); }
.docs-link:hover span:last-child { transform: translate(2px, -2px); }
.docs-link span:last-child { color: var(--orange-2); transition: transform var(--d-2) var(--ease-out); }
.demo-note { margin: var(--s-3) 0 0; color: var(--text-3); font-size: var(--fs-12); line-height: 1.5; }

/* Dialog */
.flow-dialog { width: min(500px, calc(100% - 24px)); max-height: min(720px, calc(100vh - 48px)); padding: 0; border: 1px solid var(--line-2); border-radius: var(--r-xl); background: linear-gradient(180deg, rgba(255,255,255,.04), transparent 40%), #101115; color: var(--text); box-shadow: var(--shadow-3); --dialog-color: var(--accent); }
.flow-dialog[open] { animation: dialog-in var(--d-3) var(--ease-out); }
.flow-dialog::backdrop { background: rgba(3, 3, 5, .66); backdrop-filter: blur(6px); }
.flow-dialog[open]::backdrop { animation: fade-in var(--d-3) var(--ease-out); }
.dialog-head { display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); padding: var(--s-5); border-bottom: 1px solid var(--line); }
.dialog-domain { display: flex; align-items: center; gap: var(--s-3); min-width: 0; }
.dialog-icon { display: grid; place-items: center; flex: none; width: 42px; height: 42px; border-radius: 12px; color: var(--dialog-color); background: color-mix(in srgb, var(--dialog-color) 14%, transparent); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--dialog-color) 30%, transparent); }
.dialog-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.dialog-domain span { display: block; color: var(--dialog-color); font: 500 var(--fs-11)/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.dialog-domain h2 { margin: 6px 0 0; font-size: var(--fs-18); font-weight: 600; letter-spacing: -.02em; }
.dialog-close { display: grid; place-items: center; flex: none; width: 32px; height: 32px; border: 1px solid var(--line-2); border-radius: 8px; color: var(--text-2); font-size: 18px; transition: color var(--d-1), border-color var(--d-1); }
.dialog-close:hover { color: var(--text); border-color: var(--line-3); }
.dialog-body { padding: var(--s-5); overflow-y: auto; }
.dialog-usecase { margin: 0 0 var(--s-2); color: var(--text-3); font: 500 var(--fs-11)/1.3 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; }
.dialog-summary { margin: 0; color: var(--text-2); font-size: var(--fs-14); line-height: 1.6; }
.dialog-section { margin: var(--s-5) 0 var(--s-2); color: var(--text-3); font: 500 var(--fs-11)/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.dialog-products { display: flex; flex-direction: column; gap: 6px; }
.dialog-product { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 10px; align-items: center; padding: 10px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--panel-2); animation: slide-in var(--d-4) var(--ease-out) both; animation-delay: calc(var(--i, 0) * 40ms); }
.dialog-product b { display: block; font-size: var(--fs-13); font-weight: 600; }
.dialog-product small { display: block; color: var(--text-3); font-size: var(--fs-12); }
.dialog-steps { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 6px; }
.dialog-steps li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 8px; color: var(--text-2); font-size: var(--fs-13); line-height: 1.45; }
.dialog-steps li span { color: var(--dialog-color); font: 500 var(--fs-11)/1.7 var(--font-mono); }
.dialog-steps li b { color: var(--text); font-weight: 600; }
.dialog-inactive { padding: var(--s-3); border: 1px dashed var(--line-2); border-radius: var(--r-md); color: var(--text-3); font-size: var(--fs-13); line-height: 1.5; }

/* Keyframes */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes ping { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 50%, transparent); } 70%, 100% { box-shadow: 0 0 0 7px transparent; } }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } }
@keyframes slide-in { from { opacity: 0; transform: translateX(8px); } }
@keyframes event-in { from { opacity: 0; transform: translateY(-8px); } }
@keyframes swap-in { from { opacity: 0; transform: translateY(6px); filter: blur(4px); } }
@keyframes fade-in { from { opacity: 0; } }
@keyframes dialog-in { from { opacity: 0; transform: translateY(10px) scale(.97); } }
@keyframes dash-flow { to { stroke-dashoffset: -18; } }
@keyframes node-breathe { from { transform: scale(1); } to { transform: scale(1.07); } }
@keyframes pop { from { transform: scale(0); } }
@keyframes shake { 20%, 60% { transform: translateX(-4px); } 40%, 80% { transform: translateX(4px); } }
@keyframes halo { from { opacity: .6; transform: scale(.96); } to { opacity: 1; transform: scale(1.04); } }
@keyframes handoff { 0%, 100% { opacity: .5; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-4px); } }
@keyframes nudge { 0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 0%, transparent); } 50% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent); } }
@keyframes bar-in { from { transform: scaleY(0); } }

/* Responsive */
@media (max-width: 1439px) {
  .dashboard { grid-template-columns: 240px minmax(0, 1fr); }
  .rail { grid-column: 2; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 0 clamp(16px, 2vw, 28px) var(--s-8); }
  .mainstage { padding-bottom: var(--s-2); }
}
@media (max-width: 1023px) {
  .topbar { padding: 0 var(--s-4); }
  .topbar-center, .brand-sub { display: none; }
  .dashboard { display: block; }
  .sidebar { position: sticky; top: 60px; z-index: 20; height: auto; flex-direction: column; gap: var(--s-2); padding: var(--s-3) var(--s-4); border-right: 0; border-bottom: 1px solid var(--line); background: var(--glass); backdrop-filter: blur(18px); overflow: visible; }
  .side-head, .coverage, .scenario-group, .scenario-key, .scenario-text small { display: none; }
  .scenario-list { flex-direction: row; gap: 4px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
  .scenario-list::-webkit-scrollbar { display: none; }
  .scenario-button { grid-template-columns: 24px auto; width: auto; flex: none; padding: 6px 10px 6px 6px; gap: 8px; }
  .scenario-attack { display: none; }
  .scenario-icon { width: 24px; height: 24px; border-radius: 6px; }
  .scenario-icon .i { width: 14px; height: 14px; }
  .rail { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 0 var(--s-4) var(--s-8); }
  .mainstage { padding: var(--s-5) var(--s-4) var(--s-2); }
}
@media (max-width: 760px) {
  .sim-strip { grid-template-columns: 72px minmax(0, 1fr); grid-template-areas: "phase progress" "phase copy" "effect effect"; padding: var(--s-4); }
  .rail { grid-template-columns: minmax(0, 1fr); }
  .legend { display: none; }
}
@media (max-width: 639px) {
  .os-link span, .live-pill span { display: none; }
  .live-pill { padding: 0 10px; }
  .controls { width: 100%; }
  .controls .btn-primary { flex: 1; }
  .trace-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trace-step { border-bottom: 1px solid var(--line); }
  .trace-step:nth-child(2n) { border-right: 0; }
  .stage-copy { font-size: var(--fs-14); }
  .flow-hint { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}