:root{--areia:#f6ead2;--papel:#fffaf0;--barro:#7a2e14;--sol:#e8a33d;--urucum:#c8431b;--mandacaru:#2f6b3a;--ceu:#1f5c8f;--tinta:#2a1a10;--suave:#6b5443;color:var(--tinta);background:var(--areia);font-family:Work Sans,system-ui,sans-serif}@media (prefers-color-scheme:dark){:root{--areia:#1d1510;--papel:#2a1f17;--tinta:#f6ead2;--suave:#c9b49c;--barro:#f0b27a;--mandacaru:#7cc489}}*{box-sizing:border-box}body{background:radial-gradient(circle at 90% -10%, color-mix(in srgb, var(--sol) 45%, transparent) 0 18rem, transparent 18rem), var(--areia);min-height:100vh;margin:0}#root{max-width:860px;margin:0 auto;padding:0 16px 2rem}.topo{text-align:center;padding:2.5rem 0 1rem;position:relative}.bandeirolas{background:linear-gradient(135deg, transparent 50%, var(--areia) 50%) 0 0 / 28px 28px, linear-gradient(225deg, transparent 50%, var(--areia) 50%) 0 0 / 28px 28px, repeating-linear-gradient(90deg, var(--urucum) 0 28px, var(--sol) 28px 56px, var(--mandacaru) 56px 84px, var(--ceu) 84px 112px);height:28px;margin:0 -16px 1.5rem}h1{color:var(--barro);letter-spacing:1px;text-shadow:3px 3px 0 var(--sol);margin:0;font-family:Rye,serif;font-size:clamp(2.8rem,10vw,4.5rem);font-weight:400}h1 span{color:var(--urucum)}.topo p{color:var(--suave);margin:.25rem 0 0;font-weight:600}.ferramentas{flex-wrap:wrap;justify-content:center;gap:.5rem;margin:1rem 0 1.5rem;display:flex}.ferramentas button{font:inherit;border:2px solid var(--barro);background:var(--papel);color:var(--barro);cursor:pointer;border-radius:999px;padding:.55rem 1rem;font-weight:600}.ferramentas button[aria-current=true]{background:var(--barro);color:var(--papel)}.card{background:var(--papel);border:3px solid var(--barro);box-shadow:6px 6px 0 var(--barro);border-radius:14px;padding:1.5rem}.card h2{color:var(--barro);margin:0;font-family:Rye,serif;font-size:1.8rem;font-weight:400}.lead{color:var(--suave);margin-top:.25rem}.grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin:1.25rem 0;display:grid}label{flex-direction:column;gap:.35rem;font-size:.9rem;font-weight:600;display:flex}input,select{font:inherit;border:2px solid var(--suave);background:var(--areia);color:var(--tinta);border-radius:8px;width:100%;padding:.6rem .7rem;font-size:1.05rem}input:focus-visible,select:focus-visible,button:focus-visible{outline:3px solid var(--sol);outline-offset:2px}.resultado{text-align:center;border-top:2px dashed var(--suave);padding-top:1.25rem}.resistor{justify-content:center;align-items:center;margin:.5rem 0 1rem;display:flex}.fio{background:#9a9a9a;width:50px;height:4px}.corpo{background:#e6c99a;border-radius:22px/50%;align-items:stretch;gap:12px;height:44px;padding:0 22px;display:flex;box-shadow:inset 0 -6px #0000001f}.faixa{width:11px}.faixa:last-child{margin-left:14px}.valor{color:var(--urucum);margin:0;font-family:Rye,serif;font-size:3rem}.faixas{color:var(--suave);margin:.25rem 0 1rem;font-weight:600}dl{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.75rem;margin:0;display:grid}dl div{background:var(--areia);border-radius:10px;padding:.75rem}dt{color:var(--suave);font-size:.8rem}dd{margin:.2rem 0 0;font-size:1.1rem;font-weight:800}.dica{color:var(--mandacaru);margin-top:1rem;font-size:.85rem}.erro{background:color-mix(in srgb, var(--urucum) 15%, transparent);border-left:5px solid var(--urucum);border-radius:8px;padding:.9rem 1rem;font-weight:600}footer{text-align:center;color:var(--suave);margin-top:2rem;font-size:.9rem}.card+.card{margin-top:1.5rem}.tabela{margin-top:1rem;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.92rem}th,td{text-align:left;border-bottom:1px solid color-mix(in srgb, var(--suave) 35%, transparent);white-space:nowrap;padding:.55rem .6rem}td:last-child{white-space:normal;min-width:14rem}th{color:var(--barro);text-transform:uppercase;letter-spacing:.5px;font-size:.8rem}tr[aria-current=true]{background:color-mix(in srgb, var(--sol) 25%, transparent)}.bolinha{vertical-align:-3px;border:1px solid var(--suave);border-radius:50%;width:1rem;height:1rem;margin-right:.5rem;display:inline-block}.assunto{color:var(--urucum);border-bottom:2px dashed var(--suave);margin:1.75rem 0 .5rem;padding-bottom:.25rem}.formula{background:var(--areia);border-radius:10px;margin-top:.75rem;padding:1rem}.formula h3{flex-wrap:wrap;align-items:baseline;gap:.5rem;margin:0;font-size:1.05rem;display:flex}.formula code{color:var(--ceu);font-size:.95rem}.formula .grid{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));margin:.75rem 0}.formula input{background:var(--papel)}.saida{margin:0;font-size:1.1rem}.saida b{color:var(--urucum);font-size:1.3rem}.formula .dica{margin:.5rem 0 0}@media (prefers-color-scheme:dark){.formula code{color:#8fc1ea}}