:root {
  --fundo: #f3f1eb;
  --texto: #17201d;
  --mudo: #5d6964;
  --borda: #d8ddd8;
  --cartao: #ffffff;
  --destaque: #0b6e5b;
  --ok: #1f7a3d;
  --ok-fundo: #e5f4ea;
  --erro: #b3261e;
  --erro-fundo: #fbe9e7;
  --aviso: #8a5a00;
  --aviso-fundo: #fff4d6;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.55;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--fundo); color: var(--texto); }
header, main, footer, nav { max-width: 960px; margin: 0 auto; padding: 0 20px; }
header { padding-top: 28px; }
h1 { margin: 0 0 4px; font-size: 1.8rem; }
h2 { margin-top: 0; font-size: 1.35rem; }
h3 { font-size: 1.05rem; margin-bottom: 6px; }
nav { display: flex; flex-wrap: wrap; gap: 6px 14px; padding-top: 6px; padding-bottom: 14px; border-bottom: 1px solid var(--borda); position: sticky; top: 0; background: var(--fundo); z-index: 2; }
nav a { color: var(--destaque); text-decoration: none; font-size: .92rem; }
section { padding: 22px 0; border-bottom: 1px solid var(--borda); }
footer { color: var(--mudo); font-size: .85rem; padding-bottom: 40px; }
a { color: var(--destaque); }
code, pre, textarea { font-family: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace; font-size: .86rem; }
code { background: #e8f3ef; padding: 1px 5px; border-radius: 4px; }
pre { background: #f7f9f6; border: 1px solid var(--borda); border-radius: 6px; padding: 10px; white-space: pre-wrap; word-break: break-word; margin: 6px 0; max-height: 320px; overflow: auto; }
table { border-collapse: collapse; width: 100%; margin: 10px 0; font-size: .92rem; }
th, td { border: 1px solid var(--borda); padding: 6px 8px; text-align: left; vertical-align: top; }
th { background: #e8f3ef; }
.cartao { background: var(--cartao); border: 1px solid var(--borda); border-radius: 8px; padding: 14px 16px; margin-top: 12px; }
.mudo { color: var(--mudo); }
label { display: inline-flex; flex-direction: column; gap: 3px; font-size: .88rem; color: var(--mudo); margin-right: 12px; }
input, select { font: inherit; color: var(--texto); padding: 6px 8px; border: 1px solid var(--borda); border-radius: 6px; background: #fff; min-width: 160px; }
textarea { width: 100%; padding: 8px; border: 1px solid var(--borda); border-radius: 6px; margin: 10px 0; background: #fff; }
button { font: inherit; padding: 7px 14px; border-radius: 6px; border: 1px solid var(--borda); background: #fff; cursor: pointer; }
button.primario { background: var(--destaque); border-color: var(--destaque); color: #fff; }
button:disabled { opacity: .6; cursor: wait; }
.linha { display: flex; flex-wrap: wrap; align-items: end; gap: 8px; margin: 8px 0; }
.campo-copia { display: grid; grid-template-columns: 170px 1fr auto; gap: 8px; align-items: start; margin: 8px 0; }
.campo-copia span { font-weight: 600; padding-top: 8px; }
.selo { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: .82rem; font-weight: 600; }
.selo.ok { background: var(--ok-fundo); color: var(--ok); }
.selo.erro { background: var(--erro-fundo); color: var(--erro); }
.selo.aviso { background: var(--aviso-fundo); color: var(--aviso); }
.alerta { border-left: 4px solid var(--aviso); background: var(--aviso-fundo); padding: 8px 12px; border-radius: 4px; margin: 10px 0; }
.alerta.erro { border-color: var(--erro); background: var(--erro-fundo); }
.alerta.ok { border-color: var(--ok); background: var(--ok-fundo); }
figure { margin: 14px 0; }
figure img { max-width: 100%; border: 1px solid var(--borda); border-radius: 6px; }
figcaption { color: var(--mudo); font-size: .85rem; }
details { margin: 10px 0; }
summary { cursor: pointer; color: var(--destaque); }
.agente { border: 1px solid var(--borda); border-radius: 8px; padding: 12px; margin: 12px 0; background: #fff; }
.agente h3 { margin-top: 0; }
.materiais { display: flex; gap: 14px; flex-wrap: wrap; margin: 6px 0; }
.materiais label { flex-direction: row; align-items: center; gap: 6px; color: var(--texto); }
.materiais input { min-width: 0; }
@media (max-width: 640px) { .campo-copia { grid-template-columns: 1fr; } }

/* Estrutura compartilhada com os laboratórios da disciplina. */
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { font-size: 16px; }
header, main, footer, nav { max-width: 1120px; }
header { display: flex; justify-content: space-between; align-items: end; gap: 28px; padding: 36px 24px 28px; }
header > div:first-child { max-width: 850px; }
h1 { font-size: clamp(2rem, 4.5vw, 3.5rem); line-height: 1.08; letter-spacing: -.04em; margin: 6px 0 16px; }
.curso, .marcador { color: var(--destaque); font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 8px; }
.intro { color: var(--mudo); max-width: 70ch; margin: 0 0 14px; }
.metadados { color: var(--mudo); font-size: .82rem; margin-bottom: 0; }
.valor { border: 1px solid var(--destaque); color: var(--destaque); padding: 12px 20px; text-align: center; flex-shrink: 0; }
.valor b { display: block; font-size: 1.8rem; line-height: 1.2; }
nav { display: flex; align-items: stretch; gap: 0; padding: 0; background: var(--cartao); border: 1px solid var(--borda); }
nav a { display: flex; align-items: center; justify-content: center; gap: 7px; flex: 1 1 auto; padding: 12px 10px; color: var(--mudo); font-size: .78rem; border-right: 1px solid var(--borda); }
nav a:last-child { border-right: 0; }
nav a:hover, nav a:focus-visible { background: #e8f3ef; color: var(--destaque); }
nav a b { display: inline-grid; place-items: center; width: 25px; height: 25px; border: 1px solid var(--borda); border-radius: 50%; color: var(--destaque); flex-shrink: 0; }
main { padding: 24px 0 0; }
main > section { padding: clamp(20px, 4vw, 38px); margin: 0 0 24px; background: var(--cartao); border: 1px solid var(--borda); min-width: 0; }
h2 { font-size: clamp(1.4rem, 2.5vw, 1.9rem); line-height: 1.2; letter-spacing: -.02em; margin-bottom: 20px; }
h3 { margin-top: 24px; }
p, li { max-width: 90ch; }
li { margin: 7px 0; }
a { text-underline-offset: 3px; overflow-wrap: anywhere; }
code { overflow-wrap: anywhere; }
pre { padding: 16px; border-radius: 2px; font-size: .81rem; }
.cartao, .agente { border-radius: 2px; background: #fafbf9; padding: 20px; }
input, select, textarea, button { border-radius: 2px; }
input, select, button { min-height: 44px; }
textarea { resize: vertical; color: var(--texto); padding: 14px; }
button { font-weight: 650; }
button:hover { background: #e8f3ef; border-color: var(--destaque); }
button.primario:hover { background: #075345; }
:focus-visible { outline: 3px solid var(--destaque); outline-offset: 3px; }
.campo-copia { grid-template-columns: 150px minmax(0, 1fr) auto; gap: 12px; margin: 16px 0; }
.campo-copia pre { margin: 0; }
th { font-size: .79rem; color: var(--mudo); }
th, td { padding: 10px 12px; overflow-wrap: anywhere; }
.alerta { padding: 14px 16px; border-radius: 0; }
figure { margin: 24px 0 0; }
figure img { display: block; border-radius: 2px; }
figcaption { margin-top: 8px; }
.formularios { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0; }
.botao-link { display: inline-block; padding: 10px 18px; background: var(--destaque); color: white; text-decoration: none; font-weight: 650; }
.botao-link:hover { background: #075345; }
#tabela-rodadas, #resultado { overflow-x: auto; }
footer { padding: 0 24px 40px; }
.pular { position: absolute; left: 16px; top: -80px; background: white; padding: 12px; z-index: 10; }
.pular:focus { top: 12px; }
@media (max-width: 1168px) { main, nav { margin-left: 24px; margin-right: 24px; } }
@media (max-width: 850px) {
  nav { flex-wrap: wrap; }
  nav a { flex: 1 1 30%; border-bottom: 1px solid var(--borda); }
  nav .atalho-reserva { flex-basis: 100%; }
  html { scroll-padding-top: 170px; }
}
@media (max-width: 640px) {
  header { padding: 24px 16px; align-items: start; }
  h1 { font-size: 2.1rem; }
  .valor { padding: 8px 12px; }
  main, nav { margin-left: 12px; margin-right: 12px; }
  main > section { padding: 20px 16px; }
  .campo-copia { grid-template-columns: minmax(0, 1fr); }
  .campo-copia button { justify-self: start; }
  .linha > label { flex: 1 1 100%; margin-right: 0; }
  input, select { max-width: 100%; }
  .valor b { font-size: 1.4rem; }
  table { font-size: .8rem; }
  th, td { padding: 7px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }