@scope (.salvaguardas) {

:scope{
  --bg:#faf9f6;--card:#fff;--ink:#1d1d1b;--muted:#6b6a65;--line:#e4e2dc;
  --ok:#2f8f5b;--warn:#c98a12;--bad:#c4452f;--acc:#3b6fd8;--soft:#f1efe9;
}
@media (prefers-color-scheme:dark){
  :scope{--bg:#1b1b1a;--card:#252523;--ink:#f0eee8;--muted:#a3a19a;--line:#3a3936;
  --ok:#4fbf80;--warn:#e3a93a;--bad:#e56a52;--acc:#6f9bf0;--soft:#2e2e2b;}
}
*{box-sizing:border-box}
:scope{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.lesson{max-width:760px;margin:0 auto;padding:20px 16px 60px}
h1{font-size:1.6rem;line-height:1.2;margin:.2em 0 .3em}
h2{font-size:1.15rem;margin:0 0 .4em}
p{margin:.4em 0}
.lead{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin:18px 0}
.step-n{display:inline-block;width:24px;height:24px;border-radius:50%;background:var(--acc);color:#fff;font-size:.8rem;font-weight:700;text-align:center;line-height:24px;margin-right:6px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.chip{border:1px solid var(--line);background:var(--soft);color:var(--ink);border-radius:999px;padding:7px 12px;font-size:.88rem;cursor:pointer}
.chip.on{background:var(--acc);border-color:var(--acc);color:#fff}
textarea{width:100%;min-height:74px;border:1px solid var(--line);border-radius:10px;padding:10px;background:var(--bg);color:var(--ink);font:inherit;resize:vertical}
button.go{margin-top:10px;background:var(--ink);color:var(--bg);border:0;border-radius:10px;padding:10px 16px;font-weight:600;cursor:pointer;font-size:.95rem}
.pipe{display:flex;flex-direction:column;gap:6px;margin-top:14px}
.node{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--bg);opacity:.45;transition:all .35s}
.node.active{opacity:1;border-color:var(--acc);box-shadow:0 0 0 3px color-mix(in srgb,var(--acc) 20%,transparent)}
.node.done{opacity:1}
.node b{display:block;font-size:.95rem}
.node small{color:var(--muted);display:block}
.arrow{text-align:center;color:var(--muted);font-size:.9rem;line-height:1}
.bar{height:10px;border-radius:6px;background:var(--soft);margin-top:8px;position:relative;overflow:hidden}
.bar i{position:absolute;left:0;top:0;bottom:0;width:0;border-radius:6px;transition:width .6s}
.bar .th{position:absolute;top:-2px;bottom:-2px;width:2px;background:var(--ink)}
.tags{margin-top:6px;display:flex;flex-wrap:wrap;gap:4px}
.tag{font-size:.75rem;padding:2px 7px;border-radius:6px}
.tag.up{background:color-mix(in srgb,var(--bad) 18%,transparent);color:var(--bad)}
.tag.down{background:color-mix(in srgb,var(--ok) 18%,transparent);color:var(--ok)}
.result{margin-top:10px;padding:12px;border-radius:12px;font-weight:600;display:none}
.result.ok{background:color-mix(in srgb,var(--ok) 15%,transparent);color:var(--ok)}
.result.warn{background:color-mix(in srgb,var(--warn) 18%,transparent);color:var(--warn)}
.result.bad{background:color-mix(in srgb,var(--bad) 15%,transparent);color:var(--bad)}
.result span{display:block;font-weight:400;color:var(--ink);font-size:.9rem;margin-top:4px}
input[type=range]{width:100%;accent-color:var(--acc)}
.plot{position:relative;height:120px;border-bottom:1px solid var(--line);margin:30px 0 4px}
.dot{position:absolute;width:14px;height:14px;border-radius:50%;transform:translate(-50%,0);border:2px solid var(--card)}
.dot.b{background:var(--ok)} .dot.h{background:var(--bad)}
.dot.err{outline:3px solid var(--warn);outline-offset:1px}
.tline{position:absolute;top:-6px;bottom:0;width:2px;background:var(--ink)}
.tline:after{content:"umbral";position:absolute;top:-16px;left:-18px;font-size:.7rem;color:var(--muted)}
.axis{display:flex;justify-content:space-between;font-size:.72rem;color:var(--muted)}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.stat{background:var(--soft);border-radius:10px;padding:10px}
.stat b{font-size:1.4rem;display:block}
.stat small{color:var(--muted)}
.legend{font-size:.8rem;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}
.legend i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:4px;vertical-align:middle}
.acts{display:grid;gap:8px}
.act{border-left:4px solid var(--line);padding:6px 10px;background:var(--soft);border-radius:0 8px 8px 0}
.act b{display:block}
.note{font-size:.82rem;color:var(--muted);margin-top:20px}
details{margin-top:8px}
summary{cursor:pointer;color:var(--acc);font-size:.9rem}

.probe{display:flex;gap:4px;margin:10px 0 4px}
.probe i{flex:1;height:28px;border-radius:5px;transition:background .4s}
.wts{display:flex;gap:4px;font-size:.68rem;color:var(--muted);text-align:center}
.wts span{flex:1}
.funnel{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:14px}
.col{background:var(--soft);border-radius:10px;padding:8px;min-height:150px}
.col h3{font-size:.78rem;margin:0 0 6px;line-height:1.25}
.col .n{font-size:1.3rem;font-weight:700}
.grid{display:flex;flex-wrap:wrap;gap:3px;margin-top:6px}
.grid i{width:9px;height:9px;border-radius:50%;background:var(--ok)}
.grid i.h{background:var(--bad)}
.cost{display:grid;gap:6px;margin-top:12px}
.cbar{font-size:.82rem}
.cbar div{height:12px;border-radius:6px;margin-top:3px;transition:width .5s}


.mini{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:.85rem;margin:10px 0;padding:10px;background:var(--soft);border-radius:10px}
.mini span{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:4px 8px}
.mini em{color:var(--muted);font-style:normal}
.dot{cursor:pointer}
.dot.sel{transform:translate(-50%,0) scale(1.5);z-index:2}
.flag-zone{position:absolute;top:-6px;bottom:0;right:0;background:color-mix(in srgb,var(--warn) 10%,transparent);border-left:0}
.ztxt{position:absolute;top:2px;font-size:.68rem;color:var(--muted)}
.info{margin-top:10px;padding:10px 12px;border-radius:10px;background:var(--soft);font-size:.92rem;min-height:66px}
.presets{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.m2{display:grid;grid-template-columns:auto 1fr 1fr;gap:4px;font-size:.82rem;margin-top:12px;text-align:center}
.m2 div{padding:8px 4px;border-radius:8px;background:var(--soft)}
.m2 .hd{background:none;color:var(--muted);font-weight:600}
.m2 b{display:block;font-size:1.3rem}
.m2 .good{background:color-mix(in srgb,var(--ok) 14%,transparent)}
.m2 .fpc{background:color-mix(in srgb,var(--warn) 20%,transparent)}
.m2 .fnc{background:color-mix(in srgb,var(--bad) 16%,transparent)}

.who{display:grid;gap:6px;margin:10px 0}
.who div{display:flex;gap:10px;align-items:flex-start;padding:10px;border-radius:10px;background:var(--soft)}
.who .ic{font-size:1.3rem;line-height:1}
.who small{display:block;color:var(--muted)}
.tbar{height:16px;border-radius:8px;background:var(--soft);position:relative;margin:22px 0 6px}
.tbar i{position:absolute;top:-6px;bottom:-6px;width:3px;background:var(--ink);transition:left .4s}
.tbar span{position:absolute;top:-22px;transform:translateX(-50%);font-size:.8rem;font-weight:700;transition:left .4s;white-space:nowrap}
.opt{margin-top:10px}
.opt p{margin:0 0 4px;font-size:.88rem;color:var(--muted)}

.lesson{width:100%}.dot{padding:0;min-width:14px;min-height:14px}.chip:focus-visible,.dot:focus-visible,button:focus-visible{outline:3px solid var(--acc);outline-offset:3px}.m2>*{min-width:0;overflow-wrap:anywhere}.m2{grid-template-columns:70px 1fr 1fr}.funnel{grid-template-columns:repeat(3,minmax(0,1fr))}.col{min-width:0}.breadcrumb{font-size:.85rem;margin-bottom:20px}.tbar span{font-size:.72rem}h3{font-size:1rem}

}