/* Fluxos científicos: estilos isolados; revisão 12/09/2026. */
.pgf-intro-links{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0 32px}
.pgf-intro-links a{font-size:14px;font-weight:650;padding:9px 14px;border:1px solid var(--line);border-radius:30px;background:var(--surface);text-decoration:none}
.pgf-card{--pgf-color:var(--brand);position:relative;border:1px solid var(--strong-line);border-radius:24px;background:var(--surface);margin:28px 0 40px;overflow:hidden;box-shadow:var(--shadow);scroll-margin-top:100px}
.pgf-card[data-pgf=faltantes]{--pgf-color:var(--amber)}
.pgf-card[data-pgf=inferencia]{--pgf-color:var(--violet)}
.pgf-head{display:grid;grid-template-columns:1fr auto;gap:18px;padding:28px 28px 22px;border-bottom:1px solid var(--line);background:linear-gradient(120deg,var(--surface),var(--tint))}
.pgf-kicker{display:block;color:var(--pgf-color);font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px}
.pgf-head h3{font-size:clamp(23px,2.4vw,29px);max-width:650px}
.pgf-head p{margin:14px 0 0;color:var(--muted);font-size:15px}
.pgf-emblem{width:52px;height:52px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--strong-line);border-radius:16px;color:var(--pgf-color);box-shadow:0 4px 20px #1735540a}
.pgf-emblem svg{width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:1.5}
.pgf-controls:not([hidden]){display:flex;flex-wrap:wrap;gap:12px;padding:20px 28px;align-items:end}
.pgf-controls label{flex:1 1 250px;font-size:14px}
.pgf-controls select{width:100%;font-size:14px;min-height:44px}
.pgf-actions{display:flex;gap:8px;flex-wrap:wrap}
.pgf-actions .btn{font-size:14px;min-height:44px;padding:10px 14px}
.pgf-play{min-width:130px;background:var(--tint)}
.pgf-play svg{width:16px;height:16px;fill:currentColor;stroke:none}
.pgf-playing .pgf-play-icon,.pgf-pause-icon{display:none}
.pgf-playing .pgf-pause-icon{display:block}
.pgf-metrics{margin:0 28px 16px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);border-radius:12px;background:var(--bg)}
.pgf-metrics div{padding:13px 16px;min-width:0;border-left:1px solid var(--line)}
.pgf-metrics div:first-child{border-left:0}
.pgf-metrics dt{font-size:14px;color:var(--muted)}
.pgf-metrics dd{margin:0 0 3px;font-size:23px;line-height:1.3;font-weight:760;letter-spacing:-.035em;color:var(--pgf-color)}
.pgf-example{margin:0 28px 14px;font-size:14px;color:var(--muted)}
.pgf-diagram{position:relative;margin:0 28px;padding:24px 0;background-image:radial-gradient(circle,var(--line) .7px,transparent .9px);background-size:16px 16px;border-radius:16px;isolation:isolate}
.pgf-graph{display:none;position:absolute;inset:0;z-index:-1;width:100%;height:100%;max-width:none;overflow:visible;pointer-events:none}
.pgf-enhanced .pgf-graph{display:block}
.pgf-grid{display:grid;gap:14px;position:relative}
.pgf-enhanced .pgf-grid{grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:repeat(3,auto);column-gap:34px;row-gap:44px}
.pgf-enhanced [data-pgf-node="0"]{grid-area:1/1}
.pgf-enhanced [data-pgf-node="1"]{grid-area:1/2}
.pgf-enhanced [data-pgf-node="2"]{grid-area:1/3}
.pgf-enhanced [data-pgf-node="3"]{grid-area:2/3}
.pgf-enhanced [data-pgf-node="4"]{grid-area:2/2}
.pgf-enhanced [data-pgf-node="5"]{grid-area:3/1}
.pgf-enhanced [data-pgf-node="6"]{grid-area:3/3}
.pgf-node{display:flex;flex-direction:column;gap:9px;text-align:left;min-width:0;min-height:120px;padding:16px;border:1px solid var(--strong-line);border-radius:14px;background:var(--surface);color:var(--ink);transition:border-color .2s,box-shadow .2s,transform .2s;box-shadow:0 3px 8px #00000005}
.pgf-node:hover{transform:translateY(-2px);border-color:var(--pgf-color)}
.pgf-node-top{display:flex;align-items:center;justify-content:space-between;gap:7px}
.pgf-number{display:grid;place-items:center;width:26px;height:26px;flex:none;font-size:14px;font-weight:750;background:var(--tint);border:1px solid var(--line);border-radius:8px;color:var(--pgf-color)}
.pgf-node-state{font-size:14px;font-weight:700;letter-spacing:.025em;color:var(--muted)}
.pgf-node-title{font-size:15px;line-height:1.25;font-weight:750;letter-spacing:-.01em;overflow-wrap:anywhere}
.pgf-node-short{font-size:14px;color:var(--muted);line-height:1.4}
.pgf-node[data-pgf-node="4"]{border-style:dashed;border-width:2px}
.pgf-node[data-state=current]{border:2px solid var(--pgf-color);background:var(--tint);box-shadow:0 0 0 4px var(--surface),0 0 0 5px var(--pgf-color)}
.pgf-node[data-state=current] .pgf-node-state{color:var(--pgf-color)}
.pgf-node[data-state=visited]{border-color:var(--pgf-color)}
.pgf-node[data-state=alternative]{border-style:dashed}
.pgf-path{fill:none;stroke:var(--flow-line);stroke-width:1.6}
.pgf-path[data-route=no]{stroke-dasharray:5 5}
.pgf-path[data-done=yes]{stroke:var(--pgf-color);stroke-width:2.8}
.pgf-arrow{fill:var(--flow-line)}
.pgf-token{fill:var(--pgf-color);stroke:var(--surface);stroke-width:3;filter:drop-shadow(0 0 4px var(--pgf-color))}
.pgf-progress{display:flex;align-items:center;gap:15px;margin:8px 28px 18px;font-size:14px;color:var(--muted)}
.pgf-progress progress{height:7px;flex:1;max-width:180px;accent-color:var(--pgf-color);border-radius:5px}
.pgf-progress-label{font-variant-numeric:tabular-nums;white-space:nowrap}
.pgf-detail{display:grid;grid-template-columns:145px minmax(0,1fr);gap:24px;padding:24px 28px;border-block:1px solid var(--line);background:var(--tint);min-height:215px}
.pgf-detail-label{font-size:14px;color:var(--pgf-color);font-weight:750}
.pgf-detail-label span{display:block;font-size:12px;color:var(--muted);font-weight:500;margin-top:8px}
.pgf-detail h4{font-size:19px;line-height:1.3;letter-spacing:-.02em;margin:0 0 10px}
.pgf-detail p{font-size:15px;color:var(--muted);margin:0}
.pgf-proof{border-top:1px solid var(--line);padding-top:12px;margin-top:14px!important;font-size:14px!important}
.pgf-proof strong{color:var(--ink)}
.pgf-notes{padding:20px 28px 0}
.pgf-notes p{font-size:14px;color:var(--muted);margin:0 0 12px}
.pgf-sources{padding:4px 28px 22px;font-size:14px;line-height:1.7;display:flex;flex-wrap:wrap;gap:6px 16px}
.pgf-static{padding:0 28px 20px}
.pgf-static summary{font-size:14px;font-weight:700;padding:14px 0;cursor:pointer}
.pgf-static table{font-size:14px;line-height:1.6;margin-top:12px}
.pgf-static th,.pgf-static td{white-space:normal;vertical-align:top}
.pgf-static th{min-width:155px}
.pgf-static .table-wrap{border:1px solid var(--line);border-radius:12px}
.pgf-caption{font-size:14px;color:var(--muted);margin:0 28px 18px}
.pgf-static h4{margin:24px 0 12px;font-size:16px}
.pgf-scenario-record{margin:14px 0 20px}
.pgf-scenario-record p{font-size:14px;color:var(--muted)}
.pgf-motion-note{font-size:13px;color:var(--muted);padding:0 28px 18px;margin:0}
@media(max-width:1100px){.pgf-detail{grid-template-columns:1fr;gap:10px}.pgf-detail-label span{display:inline;margin-left:10px}.pgf-node{padding:12px;min-height:132px}.pgf-node-state{font-size:14px}.pgf-enhanced .pgf-grid{column-gap:22px}}
@media(max-width:700px){.pgf-head{padding:22px 18px;grid-template-columns:1fr}.pgf-emblem{display:none}.pgf-controls:not([hidden]){padding:18px}.pgf-metrics{margin:0 18px 16px}.pgf-metrics div{padding:11px 9px}.pgf-metrics dd{font-size:20px}.pgf-metrics dt{font-size:14px}.pgf-example,.pgf-caption{margin-left:18px;margin-right:18px}.pgf-diagram{margin:0 18px}.pgf-enhanced .pgf-grid{grid-template-columns:1fr 1fr;gap:34px 20px}.pgf-enhanced [data-pgf-node="0"]{grid-area:1/1/2/3}.pgf-enhanced [data-pgf-node="1"]{grid-area:2/1/3/3}.pgf-enhanced [data-pgf-node="2"]{grid-area:3/1/4/3}.pgf-enhanced [data-pgf-node="3"]{grid-area:4/1/5/3}.pgf-enhanced [data-pgf-node="4"]{grid-area:5/1/6/3}.pgf-enhanced [data-pgf-node="5"]{grid-area:6/1}.pgf-enhanced [data-pgf-node="6"]{grid-area:6/2}.pgf-node{min-height:92px;gap:7px;padding:12px 14px}.pgf-node[data-pgf-node="5"],.pgf-node[data-pgf-node="6"]{min-height:152px;padding:12px 10px}.pgf-node-short{font-size:14px}.pgf-node-state{font-size:14px}.pgf-node-top{justify-content:start;gap:10px}.pgf-progress{margin-left:18px;margin-right:18px;flex-wrap:wrap}.pgf-detail{padding:20px 18px;min-height:0}.pgf-notes{padding:18px 18px 0}.pgf-sources{padding:4px 18px 18px}.pgf-static{padding:0 18px 18px}.pgf-actions{width:100%}.pgf-actions .btn{flex:1;padding:10px}.pgf-motion-note{padding:0 18px 18px}}
@media(prefers-reduced-motion:reduce){.pgf-node{transition:none}.pgf-node:hover{transform:none}.pgf-token{display:none}}
@media print{.pgf-card{overflow:visible;box-shadow:none;border:0;border-radius:0;break-inside:auto;margin:20px 0}.pgf-controls,.pgf-diagram,.pgf-progress,.pgf-detail,.pgf-motion-note,.pgf-intro-links{display:none!important}.pgf-static{padding:0}.pgf-static>summary{display:none}.pgf-static::details-content{content-visibility:visible!important;display:block!important}.pgf-static>*{display:block}.pgf-static table{display:table;font-size:10pt}.pgf-static thead{display:table-header-group}.pgf-static tbody{display:table-row-group}.pgf-static tr{display:table-row;break-inside:avoid}.pgf-static td,.pgf-static th{display:table-cell;min-width:0}.pgf-static .table-wrap{overflow:visible;border:0}.pgf-head,.pgf-notes,.pgf-sources{padding:10px 0}.pgf-emblem{display:none}.pgf-head{display:block}.pgf-metrics,.pgf-example,.pgf-caption{margin-inline:0}}

.pgf-card:not(.pgf-enhanced) .pgf-diagram{display:none}

.pgf-metrics div{display:flex;flex-direction:column}.pgf-metrics dd{order:-1}