/* ==========================================================
   La empresa por dentro — hoja de estilos única
   ========================================================== */
:root {
  --bg: #f7f8fa;
  --bg-2: #ffffff;
  --bg-3: #eef1f5;
  --fg: #1b2230;
  --fg-2: #4a5568;
  --fg-3: #718096;
  --line: #d9dee7;
  --accent: #2563eb;
  --accent-soft: #dbe7ff;
  --ok: #15803d;
  --ok-soft: #dcfce7;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --bad: #b91c1c;
  --bad-soft: #fee2e2;
  --code-bg: #eef1f5;

  --l0: #16a34a;
  --l1: #0d9488;
  --l2: #2563eb;
  --l3: #7c3aed;
  --l4: #ea580c;
  --l5: #dc2626;

  /* colores de diagramas */
  --d-wan: #dc2626;
  --d-fiber: #f59e0b;
  --d-cu: #2563eb;
  --d-wifi: #0d9488;
  --d-vpn: #7c3aed;
  --d-box: #ffffff;
  --d-box-2: #f1f5f9;
  --d-stroke: #334155;
  --d-text: #1b2230;
  --d-muted: #64748b;

  --radius: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 4px 16px rgba(0,0,0,.05);
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --side-w: 270px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1117; --bg-2: #151a23; --bg-3: #1c2330;
    --fg: #e6e9ef; --fg-2: #b4bccb; --fg-3: #8590a3;
    --line: #2a3242; --accent: #60a5fa; --accent-soft: #1e3a5f;
    --ok: #4ade80; --ok-soft: #12321f; --warn: #fbbf24; --warn-soft: #3a2c0b;
    --bad: #f87171; --bad-soft: #3b1414; --code-bg: #1c2330;
    --l0: #4ade80; --l1: #2dd4bf; --l2: #60a5fa; --l3: #a78bfa; --l4: #fb923c; --l5: #f87171;
    --d-wan: #f87171; --d-fiber: #fbbf24; --d-cu: #60a5fa; --d-wifi: #2dd4bf; --d-vpn: #a78bfa;
    --d-box: #1c2330; --d-box-2: #232b3a; --d-stroke: #94a3b8; --d-text: #e6e9ef; --d-muted: #94a3b8;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.3);
  }
}
:root[data-theme="dark"] {
  --bg: #0e1117; --bg-2: #151a23; --bg-3: #1c2330;
  --fg: #e6e9ef; --fg-2: #b4bccb; --fg-3: #8590a3;
  --line: #2a3242; --accent: #60a5fa; --accent-soft: #1e3a5f;
  --ok: #4ade80; --ok-soft: #12321f; --warn: #fbbf24; --warn-soft: #3a2c0b;
  --bad: #f87171; --bad-soft: #3b1414; --code-bg: #1c2330;
  --l0: #4ade80; --l1: #2dd4bf; --l2: #60a5fa; --l3: #a78bfa; --l4: #fb923c; --l5: #f87171;
  --d-wan: #f87171; --d-fiber: #fbbf24; --d-cu: #60a5fa; --d-wifi: #2dd4bf; --d-vpn: #a78bfa;
  --d-box: #1c2330; --d-box-2: #232b3a; --d-stroke: #94a3b8; --d-text: #e6e9ef; --d-muted: #94a3b8;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.3);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--sans); font-size: 16.5px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }
code, kbd, pre { font-family: var(--mono); font-size: .88em; }
code { background: var(--code-bg); padding: .1em .35em; border-radius: 4px; }
pre { background: var(--code-bg); padding: 14px 16px; border-radius: var(--radius); overflow-x: auto; line-height: 1.5; border: 1px solid var(--line); }
pre code { background: none; padding: 0; }
kbd { border: 1px solid var(--line); border-bottom-width: 2px; padding: 0 .35em; border-radius: 4px; background: var(--bg-2); }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

/* ---------- Layout ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50; height: 56px;
  display: flex; align-items: center; gap: 12px; padding: 0 16px;
  background: color-mix(in srgb, var(--bg-2) 88%, transparent);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.topbar .brand { font-weight: 700; color: var(--fg); display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.topbar .brand:hover { text-decoration: none; }
.topbar .brand .logo { width: 26px; height: 26px; }
.topbar .spacer { flex: 1; }
.icon-btn {
  border: 1px solid var(--line); background: var(--bg-2); color: var(--fg);
  height: 34px; min-width: 34px; border-radius: 8px; cursor: pointer; font-size: 15px;
  display: inline-flex; align-items: center; justify-content: center; padding: 0 8px;
}
.icon-btn:hover { background: var(--bg-3); }
#menu-btn { display: none; }

.layout { display: flex; }
.sidebar {
  position: sticky; top: 56px; height: calc(100vh - 56px); overflow-y: auto;
  width: var(--side-w); flex-shrink: 0; padding: 18px 14px 40px;
  border-right: 1px solid var(--line); background: var(--bg-2);
}
.sidebar h4 { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-3); margin: 18px 8px 6px; }
.sidebar a {
  display: flex; align-items: center; gap: 9px; padding: 6px 10px; border-radius: 7px;
  color: var(--fg-2); font-size: 14.5px; line-height: 1.35;
}
.sidebar a:hover { background: var(--bg-3); text-decoration: none; color: var(--fg); }
.sidebar a.active { background: var(--accent-soft); color: var(--fg); font-weight: 600; }
.sidebar .dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; background: var(--fg-3); }
.sidebar .toc { margin: 4px 0 8px 18px; border-left: 2px solid var(--line); }
.sidebar .toc a { font-size: 13px; padding: 3px 10px; color: var(--fg-3); }
.sidebar .toc a.on { color: var(--accent); }

main { flex: 1; min-width: 0; padding: 32px 40px 80px; }
.content { max-width: 920px; margin: 0 auto; }

@media (max-width: 960px) {
  #menu-btn { display: inline-flex; }
  .sidebar {
    position: fixed; left: 0; top: 56px; z-index: 40; transform: translateX(-100%);
    transition: transform .2s ease; box-shadow: var(--shadow);
  }
  body.menu-open .sidebar { transform: none; }
  main { padding: 22px 16px 60px; }
}

/* ---------- Tipografía ---------- */
h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); line-height: 1.15; margin: .2em 0 .4em; letter-spacing: -.02em; }
h2 { font-size: 1.55rem; margin: 2.6rem 0 .7rem; padding-top: .4rem; letter-spacing: -.01em; border-top: 1px solid var(--line); padding-top: 1.6rem; }
h3 { font-size: 1.18rem; margin: 1.8rem 0 .5rem; }
h4 { font-size: 1rem; margin: 1.3rem 0 .4rem; }
.lead { font-size: 1.15rem; color: var(--fg-2); }
.muted { color: var(--fg-3); }
.small { font-size: .88rem; }
.kicker { font-family: var(--mono); font-size: 12.5px; text-transform: uppercase; letter-spacing: .1em; color: var(--fg-3); }

/* ---------- Componentes ---------- */
.hero {
  border-radius: 16px; padding: 28px; margin-bottom: 26px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--lvl, var(--accent)) 16%, var(--bg-2)), var(--bg-2));
  border: 1px solid color-mix(in srgb, var(--lvl, var(--accent)) 35%, var(--line));
}
.hero h1 { margin-top: 4px; }
.hero .facts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; font-size: 13px; padding: 3px 10px;
  border-radius: 99px; background: var(--bg-3); border: 1px solid var(--line); color: var(--fg-2); white-space: nowrap;
}
.chip b { color: var(--fg); }

.callout {
  border-left: 4px solid var(--accent); background: var(--accent-soft);
  padding: 12px 16px; border-radius: 0 var(--radius) var(--radius) 0; margin: 1.2rem 0;
}
.callout.ok { border-color: var(--ok); background: var(--ok-soft); }
.callout.warn { border-color: var(--warn); background: var(--warn-soft); }
.callout.bad { border-color: var(--bad); background: var(--bad-soft); }
.callout > :first-child { margin-top: 0; }
.callout > :last-child { margin-bottom: 0; }
.callout .t { font-weight: 700; display: block; margin-bottom: 2px; }

.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); margin: 1rem 0; }
.grid.g3 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.card {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow);
}
.card h3, .card h4 { margin-top: 0; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
a.card { color: var(--fg); display: block; transition: transform .12s ease, border-color .12s ease; }
a.card:hover { text-decoration: none; transform: translateY(-2px); border-color: var(--lvl, var(--accent)); }

.lvl-tag {
  display: inline-block; font-family: var(--mono); font-size: 12px; font-weight: 700;
  padding: 1px 8px; border-radius: 6px; color: #fff; background: var(--lvl, var(--accent));
}

/* tablas */
.table-wrap { overflow-x: auto; margin: 1rem 0 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); }
table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--bg-3); font-weight: 600; white-space: nowrap; font-size: 13.5px; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.who { font-size: 12px; font-weight: 700; padding: 1px 7px; border-radius: 5px; white-space: nowrap; display: inline-block; }
.who.int { background: var(--ok-soft); color: var(--ok); }
.who.ext { background: var(--bad-soft); color: var(--bad); }
.who.mix { background: var(--warn-soft); color: var(--warn); }
.who.dir { background: var(--accent-soft); color: var(--accent); }

/* diagramas */
figure.diagram {
  margin: 1.4rem 0; background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow);
}
figure.diagram svg { display: block; width: 100%; height: auto; }
figure.diagram figcaption { font-size: 13.5px; color: var(--fg-3); margin-top: 8px; text-align: center; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; font-size: 12.5px; color: var(--fg-2); margin-top: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 22px; height: 0; border-top: 3px solid; display: inline-block; }
.legend i.dash { border-top-style: dashed; }

/* svg genérico */
svg .bx { fill: var(--d-box); stroke: var(--d-stroke); stroke-width: 1.4; }
svg .bx2 { fill: var(--d-box-2); stroke: var(--d-stroke); stroke-width: 1.2; }
svg .zone { fill: none; stroke: var(--d-muted); stroke-width: 1.2; stroke-dasharray: 6 5; }
svg .zonef { fill: var(--d-box-2); stroke: var(--d-muted); stroke-width: 1; stroke-dasharray: 6 5; opacity: .6; }
svg text { fill: var(--d-text); font-family: var(--sans); font-size: 13px; }
svg text.s { font-size: 11px; fill: var(--d-muted); }
svg text.b { font-weight: 700; }
svg text.m { font-family: var(--mono); font-size: 11px; }
svg .wan { stroke: var(--d-wan); stroke-width: 2.6; fill: none; }
svg .fib { stroke: var(--d-fiber); stroke-width: 2.6; fill: none; }
svg .cu { stroke: var(--d-cu); stroke-width: 2; fill: none; }
svg .wifi { stroke: var(--d-wifi); stroke-width: 2; fill: none; stroke-dasharray: 3 4; }
svg .vpn { stroke: var(--d-vpn); stroke-width: 2.4; fill: none; stroke-dasharray: 8 5; }
svg .ln { stroke: var(--d-stroke); stroke-width: 1.4; fill: none; }
svg .flow { stroke-dasharray: 6 6; animation: flow 1.2s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -12; } }
@media (prefers-reduced-motion: reduce) { svg .flow { animation: none; } }

/* niveles: escalera en portada */
.ladder { display: grid; gap: 10px; margin: 1.4rem 0; }
.ladder a {
  display: grid; grid-template-columns: 64px 1fr auto; align-items: center; gap: 14px;
  padding: 14px 16px; border-radius: var(--radius); background: var(--bg-2);
  border: 1px solid var(--line); border-left: 6px solid var(--lvl); color: var(--fg);
  transition: transform .12s ease;
}
.ladder a:hover { transform: translateX(4px); text-decoration: none; }
.ladder .n { font-family: var(--mono); font-weight: 800; font-size: 26px; color: var(--lvl); }
.ladder .t { font-weight: 700; }
.ladder .d { color: var(--fg-3); font-size: 14px; }
.ladder .p { font-family: var(--mono); font-size: 13px; color: var(--fg-2); text-align: right; }
@media (max-width: 600px) { .ladder a { grid-template-columns: 44px 1fr; } .ladder .p { display: none; } .ladder .n { font-size: 20px; } }

/* acordeones */
details {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
  margin: 8px 0; padding: 0 14px;
}
details summary { cursor: pointer; padding: 11px 0; font-weight: 600; list-style: none; display: flex; gap: 10px; align-items: center; }
details summary::-webkit-details-marker { display: none; }
details summary::before { content: "▸"; color: var(--fg-3); transition: transform .15s; }
details[open] summary::before { transform: rotate(90deg); }
details[open] { padding-bottom: 12px; }
details > :not(summary) { margin-top: .4rem; }

/* pestañas */
.tabs { margin: 1rem 0; }
.tabs .tab-btns { display: flex; flex-wrap: wrap; gap: 6px; border-bottom: 1px solid var(--line); }
.tabs .tab-btns button {
  border: 0; background: none; color: var(--fg-2); font: inherit; font-size: 14.5px;
  padding: 8px 12px; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabs .tab-btns button.on { color: var(--fg); border-color: var(--accent); font-weight: 600; }
.tabs .tab-panel { display: none; padding-top: 10px; }
.tabs .tab-panel.on { display: block; }

/* calculadoras */
.calc { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin: 1.2rem 0; box-shadow: var(--shadow); }
.calc h3 { margin-top: 0; }
.calc .row { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 12px; }
.calc label { display: flex; flex-direction: column; font-size: 13px; color: var(--fg-2); gap: 4px; }
.calc input, .calc select {
  font: inherit; font-size: 15px; padding: 7px 9px; border-radius: 7px;
  border: 1px solid var(--line); background: var(--bg); color: var(--fg); width: 100%;
}
.calc .out {
  background: var(--bg-3); border-radius: 8px; padding: 12px 14px; font-family: var(--mono); font-size: 14px;
  white-space: pre-wrap; line-height: 1.6;
}
.calc .big { font-size: 22px; font-weight: 800; color: var(--accent); }

.formula {
  font-family: "Cambria Math", "STIX Two Math", Georgia, serif; font-size: 1.15rem;
  text-align: center; padding: 12px; margin: 1rem 0; background: var(--bg-3); border-radius: 8px; overflow-x: auto;
}

/* barra comparativa */
.bars { display: grid; gap: 6px; margin: 1rem 0; }
.bars .bar { display: grid; grid-template-columns: 150px 1fr 90px; gap: 10px; align-items: center; font-size: 13.5px; }
.bars .bar .track { height: 14px; background: var(--bg-3); border-radius: 99px; overflow: hidden; }
.bars .bar .fill { height: 100%; border-radius: 99px; background: var(--accent); }
.bars .bar .v { font-family: var(--mono); font-size: 12.5px; text-align: right; color: var(--fg-2); }
@media (max-width: 600px) { .bars .bar { grid-template-columns: 100px 1fr 70px; } }

/* checklist */
ul.check { list-style: none; padding-left: 0; }
ul.check li { padding-left: 28px; position: relative; margin: 4px 0; }
ul.check li::before { content: "✓"; position: absolute; left: 4px; color: var(--ok); font-weight: 800; }
ul.cross li::before { content: "✗"; color: var(--bad); }

/* navegación inferior */
.pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 3rem; }
.pager a { flex: 1; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); color: var(--fg); }
.pager a:hover { text-decoration: none; border-color: var(--accent); }
.pager a .k { font-size: 12px; color: var(--fg-3); display: block; }
.pager a.next { text-align: right; }

footer.site { margin-top: 4rem; padding-top: 1.4rem; border-top: 1px solid var(--line); font-size: 13px; color: var(--fg-3); }

/* rack */
.rack-legend { font-size: 13px; }

/* árbol de diagnóstico */
.tree { margin: 1rem 0; }
.tree .q { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.tree .q .ask { font-weight: 700; font-size: 1.05rem; margin-bottom: 10px; }
.tree .q .opts { display: flex; flex-wrap: wrap; gap: 8px; }
.tree .q .opts button {
  font: inherit; font-size: 14px; padding: 7px 14px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--line); background: var(--bg-3); color: var(--fg);
}
.tree .q .opts button:hover { border-color: var(--accent); }
.tree .path { font-size: 13px; color: var(--fg-3); margin-bottom: 8px; }
.tree .ans { margin-top: 10px; }

/* filtro de tabla */
.filter { display: flex; flex-wrap: wrap; gap: 8px; margin: .6rem 0; align-items: center; }
.filter input { font: inherit; padding: 7px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg-2); color: var(--fg); min-width: 220px; flex: 1; }
.filter button { font: inherit; font-size: 13px; padding: 6px 11px; border-radius: 99px; border: 1px solid var(--line); background: var(--bg-2); color: var(--fg-2); cursor: pointer; }
.filter button.on { background: var(--accent); color: #fff; border-color: var(--accent); }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 760px) { .two { grid-template-columns: 1fr; } }

.progress { position: fixed; top: 56px; left: 0; height: 3px; background: var(--lvl, var(--accent)); z-index: 60; width: 0; }

/* paths de paredes sin clase: nunca rellenos */
figure.diagram svg path:not([class]) { fill: none; }

/* ---------- Simulador de radio ---------- */
.sim { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin: 1.2rem 0; box-shadow: var(--shadow); }
.sim-bar { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: flex-end; margin-bottom: 10px; }
.sim-bar label { display: flex; flex-direction: column; font-size: 12px; color: var(--fg-2); gap: 3px; }
.sim-bar label.chk { flex-direction: row; align-items: center; gap: 5px; font-size: 13px; padding-bottom: 6px; }
.sim-bar select, .sim-editor select, .sim-editor input[type=number] { font: inherit; font-size: 13.5px; padding: 5px 7px; border-radius: 7px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); }
.sim-tools { display: flex; flex-wrap: wrap; gap: 4px; }
.sim-tools button { font: inherit; font-size: 13px; padding: 6px 10px; border-radius: 7px; border: 1px solid var(--line); background: var(--bg-3); color: var(--fg); cursor: pointer; }
.sim-tools button.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.sim-canvas { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; touch-action: none; }
.sim-canvas canvas { display: block; width: 100%; cursor: crosshair; }
.sim-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12px; color: var(--fg-2); margin: 8px 0; }
.sim-legend span { display: inline-flex; align-items: center; gap: 5px; }
.sim-legend .sep { width: 100%; height: 0; }
i.sw { display: inline-block; width: 12px; height: 12px; border-radius: 3px; vertical-align: -1px; margin-right: 4px; }
i.ln { display: inline-block; width: 18px; border-top: 3px solid; }
.sim-lower { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 6px; }
@media (max-width: 900px) { .sim-lower { grid-template-columns: 1fr; } }
.sim-spec canvas { display: block; width: 100%; border: 1px solid var(--line); border-radius: 8px; margin-top: 4px; }
.sim-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 8px 0; }
.sim-kpis div { background: var(--bg-3); border-radius: 8px; padding: 6px 8px; text-align: center; }
.sim-kpis b { display: block; font-size: 18px; font-variant-numeric: tabular-nums; }
.sim-kpis span { font-size: 11px; color: var(--fg-3); }
.sim-editor { margin-top: 10px; padding: 10px 12px; background: var(--bg-3); border-radius: 8px; }
.sim-ed-row { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; font-size: 13.5px; }
.sim-ed-row label { display: inline-flex; align-items: center; gap: 6px; }
table.tight th, table.tight td { padding: 4px 8px; font-size: 12.5px; }
.mono { font-family: var(--mono); }
canvas.chart { display: block; width: 100%; border: 1px solid var(--line); border-radius: 8px; background: var(--bg-2); }
.rng { display: flex; flex-direction: column; font-size: 13px; color: var(--fg-2); gap: 2px; }
.rng input[type=range] { width: 100%; }
.rng b { font-family: var(--mono); color: var(--fg); font-weight: 600; }
.here { position: relative; }
.ladder a.here { box-shadow: 0 0 0 2px var(--lvl); }
.ladder a .you { font-family: var(--mono); font-size: 11px; font-weight: 800; color: #fff; background: var(--lvl); border-radius: 5px; padding: 1px 6px; margin-left: 6px; }
.verdict { display: inline-block; font-size: 12px; font-weight: 700; padding: 1px 8px; border-radius: 5px; }
.verdict.ok { background: var(--ok-soft); color: var(--ok); }
.verdict.no { background: var(--bad-soft); color: var(--bad); }
.verdict.mid { background: var(--warn-soft); color: var(--warn); }
.path-viz { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 10px 0; font-size: 13px; }
.path-viz .hop { background: var(--bg-3); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; }
.path-viz .hop.block { border-color: var(--bad); background: var(--bad-soft); }
.path-viz .arr { color: var(--fg-3); }
.matrix td, .matrix th { text-align: center; padding: 4px; font-size: 12px; }
.matrix td input { width: 16px; height: 16px; }
.addr-bar { display: flex; height: 26px; border-radius: 6px; overflow: hidden; border: 1px solid var(--line); margin: 8px 0; }
.addr-bar span { display: block; height: 100%; border-right: 2px solid var(--bg-2); }