:root {
  --fundo: #ECE8DC; --fundo-2: #F6F3EC; --cartao: #FBF8F2; --tinta: #1A1310; --apoio: #463F3A; --suave: #7a716a; --linha: #d9d3c4;
  --malva: #936483; --rosa: #D48FC1; --magenta: #BC509D; --azul: #3D539C; --oliva: #9DA344; --oliva-txt: #6E7326; --navy: #002060;
  --destaque: #BC509D; --destaque-txt: #fff; --ok: #4f6b2a; --erro: #a3243b;
  --font: "Nunito Sans", "Avenir Next", system-ui, -apple-system, "Segoe UI", sans-serif;
  --r: 22px; --r-p: 12px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --fundo: #15110f; --fundo-2: #1d1815; --cartao: #231d1a; --tinta: #F3EEE4; --apoio: #d6cec4; --suave: #a59b91; --linha: #3a322d;
    --destaque: #D48FC1; --destaque-txt: #1A1310; --azul: #8ea1e0; --oliva-txt: #c7cc72; --navy: #9fb2e8; --ok: #a6c472; --erro: #f08a9c;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--fundo); color: var(--tinta); font-family: var(--font); font-size: 15px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
.logo-escuro { display: none !important; }
@media (prefers-color-scheme: dark) { .logo-claro { display: none !important; } .logo-escuro { display: block !important; } }

/* topo */
.topo { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--fundo) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--linha); }
.topo-in { max-width: 1180px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; gap: 18px; }
.topo img { height: 40px; display: block; }
.topo .rotulo { font-weight: 800; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--malva); }
.topo nav { display: flex; gap: 4px; margin-left: 12px; }
.topo nav a { text-decoration: none; padding: 7px 14px; border-radius: 999px; font-weight: 700; color: var(--apoio); }
.topo nav a.ativo { background: var(--tinta); color: var(--fundo); }
.topo .quem { margin-left: auto; display: flex; align-items: center; gap: 10px; color: var(--suave); font-size: 13px; }
.cesta-bt { position: relative; }
.cesta-bt .n[hidden] { display: none; }
.cesta-bt .n { position: absolute; top: -6px; right: -6px; background: var(--destaque); color: var(--destaque-txt); border-radius: 999px; font-size: 11px; font-weight: 800; min-width: 20px; height: 20px; display: grid; place-items: center; padding: 0 5px; }

main { max-width: 1180px; margin: 0 auto; padding: 28px 20px 80px; }
h1 { font-size: 34px; line-height: 1.1; font-weight: 900; margin: 0 0 6px; letter-spacing: -.01em; }
h2 { font-size: 22px; font-weight: 900; margin: 0 0 10px; }
h3 { font-size: 16px; font-weight: 800; margin: 0 0 6px; }
.sub { color: var(--apoio); margin: 0 0 22px; max-width: 70ch; }
.mini { font-size: 12px; color: var(--suave); }

.bt { white-space: nowrap; border: 0; border-radius: 999px; padding: 9px 18px; font-weight: 800; cursor: pointer; background: var(--tinta); color: var(--fundo); }
.bt:hover { opacity: .88; }
.bt.sec { background: transparent; color: var(--tinta); box-shadow: inset 0 0 0 1.5px var(--tinta); }
.bt.dest { background: var(--destaque); color: var(--destaque-txt); }
.bt.peq { padding: 5px 12px; font-size: 13px; }
.bt:disabled { opacity: .45; cursor: default; }
.chip { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 3px 11px; font-size: 12px; font-weight: 800; background: var(--fundo-2); color: var(--apoio); border: 1px solid var(--linha); }
.chip.rasc { background: transparent; border-style: dashed; color: var(--malva); border-color: var(--malva); }
.chip.on { background: var(--tinta); color: var(--fundo); border-color: var(--tinta); }
button.chip { cursor: pointer; }

/* estudos */
.grade { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.estudo { background: var(--cartao); border-radius: var(--r); padding: 22px 22px 18px; cursor: pointer; border: 1px solid var(--linha); display: flex; flex-direction: column; gap: 10px; position: relative; overflow: hidden; transition: transform .12s; }
.estudo:hover { transform: translateY(-2px); }
.estudo::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--cor, var(--malva)); }
.estudo h3 { font-size: 19px; line-height: 1.2; }
.estudo .tese { color: var(--apoio); font-size: 14px; margin: 0; }
.estudo .rodape { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; align-items: center; }

/* página do estudo */
.voltar { background: none; border: 0; padding: 0; cursor: pointer; color: var(--suave); font-weight: 700; margin-bottom: 14px; }
.cab { border-left: 6px solid var(--cor, var(--malva)); padding-left: 16px; margin-bottom: 18px; }
.abas { display: flex; gap: 4px; border-bottom: 1px solid var(--linha); margin: 18px 0 20px; flex-wrap: wrap; }
.abas button { background: none; border: 0; padding: 10px 14px; font-weight: 800; color: var(--suave); cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -1px; }
.abas button.on { color: var(--tinta); border-color: var(--destaque); }
.filtros { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.busca { flex: 1 1 260px; border: 1.5px solid var(--linha); background: var(--cartao); border-radius: 999px; padding: 9px 16px; }
select { max-width: 100%; border: 1.5px solid var(--linha); background: var(--cartao); border-radius: 999px; padding: 8px 14px; }
.colsel { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; align-items: center; }

.tab { background: var(--cartao); border: 1px solid var(--linha); border-radius: var(--r); padding: 18px 20px; margin-bottom: 14px; }
.tab-cab { display: flex; gap: 12px; align-items: flex-start; }
.tab-cab .tit { flex: 1; }
.tab-cab .secao { font-size: 12px; font-weight: 800; color: var(--malva); text-transform: uppercase; letter-spacing: .05em; }
.tab-acoes { display: flex; gap: 6px; flex-shrink: 0; }
.rolar { overflow-x: auto; margin-top: 12px; }
table.t { border-collapse: collapse; width: 100%; font-size: 13.5px; font-variant-numeric: tabular-nums; }
table.t th, table.t td { padding: 6px 10px; text-align: right; border-bottom: 1px solid var(--linha); white-space: nowrap; }
table.t th:first-child, table.t td:first-child { text-align: left; white-space: normal; min-width: 220px; }
table.t thead th { font-size: 12px; font-weight: 800; color: var(--apoio); vertical-align: bottom; }
table.t tr.base td { color: var(--suave); font-size: 12px; }
table.t td .barra { display: inline-block; height: 6px; border-radius: 3px; background: var(--rosa); vertical-align: middle; margin-right: 6px; opacity: .8; }
.nota { font-size: 12px; color: var(--suave); margin-top: 8px; }
.na-cesta { box-shadow: inset 0 0 0 2px var(--destaque); }

/* deck em texto */
.deck { background: var(--cartao); border: 1px solid var(--linha); border-radius: var(--r); padding: 26px 30px; max-width: 900px; }
.deck h1 { font-size: 26px; } .deck h2 { font-size: 20px; margin-top: 26px; } .deck h3 { margin-top: 18px; }
.deck table { border-collapse: collapse; font-size: 13px; margin: 10px 0; } .deck td, .deck th { border: 1px solid var(--linha); padding: 4px 8px; }
.deck hr { border: 0; border-top: 1px solid var(--linha); margin: 22px 0; }
.deck pre, .deck code { background: var(--fundo-2); border-radius: 6px; padding: 1px 5px; font-size: 13px; }

.destaques { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin: 10px 0 20px; }
.destaques > div { background: var(--cartao); border: 1px solid var(--linha); border-radius: var(--r-p); padding: 14px 16px; }
.destaques .num { font-size: 28px; font-weight: 900; color: var(--magenta); line-height: 1.1; }
dl.met { display: grid; grid-template-columns: 140px 1fr; gap: 6px 16px; margin: 0; } dl.met dt { font-weight: 800; color: var(--apoio); }

/* painéis */
.painel { background: var(--cartao); border: 1px solid var(--linha); border-radius: var(--r); padding: 22px 24px; margin-bottom: 18px; }
.duas { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; align-items: start; }
label.campo { display: block; font-weight: 800; font-size: 13px; margin: 12px 0 6px; }
.in, textarea.in { width: 100%; border: 1.5px solid var(--linha); background: var(--fundo-2); border-radius: var(--r-p); padding: 10px 12px; }
textarea.in { min-height: 90px; resize: vertical; }
.lista { list-style: none; padding: 0; margin: 0; }
.lista li { display: flex; gap: 10px; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--linha); }
.lista li .tx { flex: 1; min-width: 0; }
.lista li .tx b { display: block; overflow: hidden; text-overflow: ellipsis; }
.solta { border: 2px dashed var(--linha); border-radius: var(--r); padding: 26px; text-align: center; color: var(--apoio); cursor: pointer; }
.solta.sobre { border-color: var(--destaque); background: var(--fundo-2); }
.pronto { background: var(--fundo-2); border-radius: var(--r-p); padding: 14px; white-space: pre-wrap; font-size: 13px; border: 1px solid var(--linha); }
.claude { background: var(--tinta); color: var(--fundo); border-radius: var(--r); padding: 22px 24px; }
.claude code { background: rgba(255,255,255,.12); padding: 1px 6px; border-radius: 6px; }
.claude ul { margin: 8px 0 0; padding-left: 18px; }
.vazio { color: var(--suave); padding: 30px 0; text-align: center; }
.aviso { padding: 10px 14px; border-radius: var(--r-p); background: var(--fundo-2); border: 1px solid var(--linha); margin: 10px 0; }
.aviso.erro { color: var(--erro); border-color: var(--erro); }
.aviso.ok { color: var(--ok); border-color: var(--ok); }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--tinta); color: var(--fundo); padding: 10px 18px; border-radius: 999px; font-weight: 700; z-index: 50; }

/* entrar */
.entrar { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.entrar .caixa { background: var(--cartao); border-radius: 28px; padding: 36px 34px; width: 100%; max-width: 400px; border: 1px solid var(--linha); }
.entrar img { height: 72px; margin-bottom: 18px; }
.entrar .bt { width: 100%; margin-top: 18px; padding: 12px; }

@media (max-width: 760px) {
  .duas { grid-template-columns: 1fr; }
  .topo nav { margin-left: 0; }
  .topo-in { flex-wrap: wrap; gap: 10px; padding: 10px 16px; }
  .topo .quem span { display: none; }
  main { padding: 20px 16px 60px; }
  h1 { font-size: 26px; }
  .tab-cab { flex-direction: column; }
  dl.met { grid-template-columns: 1fr; }
  .deck { padding: 18px; }
}