/* Simuladores — componentes próprios. Os tokens de cor, tipografia e a barra superior vêm de material-didatico/assets/md.css. */
.page-head { padding: 40px 0 10px; }
.page-head h1 { font-size: clamp(30px, 5vw, 48px); }
.crumbs { font-size: 14px; margin-bottom: 14px; }
.crumbs a { color: var(--ink-2); }
.mono, code, pre { font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace; }
code { background: var(--pill); padding: 1px 6px; border-radius: 6px; font-size: .92em; }
pre { background: var(--paper-2); border: 1.5px solid var(--line); border-radius: 14px; padding: 12px 14px; overflow-x: auto; font-size: 14.5px; line-height: 1.55; }
pre code { background: none; padding: 0; }

/* Abas de seção */
.seg { display: flex; gap: 4px; padding: 4px; border: 1.5px solid var(--ink); border-radius: 99px; width: fit-content; max-width: 100%; overflow-x: auto; background: var(--paper-2); }
.seg button, .seg a { border: 0; background: none; border-radius: 99px; padding: 8px 16px; font-size: 15px; font-weight: 500; cursor: pointer; white-space: nowrap; color: var(--ink); text-decoration: none; }
.seg button:hover, .seg a:hover { background: var(--pill-2); }
.seg [aria-selected="true"], .seg [aria-pressed="true"] { background: var(--ink); color: var(--paper); }

/* Tabelas */
.tbl-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 15px; }
table.tbl th, table.tbl td { text-align: left; padding: 10px 10px; border-bottom: 1.5px solid var(--line); vertical-align: top; }
table.tbl th { font-size: 12.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-2); border-bottom-color: var(--ink); }

/* Cartões de unidade e simulador */
.u-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.u-card { position: relative; border: 1.5px solid var(--ink); border-radius: 22px; padding: 18px; background: var(--paper); display: flex; flex-direction: column; gap: 8px; transition: transform .15s, box-shadow .15s; }
.u-card:hover, .u-card:focus-within { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--ink); }
.u-card .num { font-family: var(--display); font-weight: 800; font-size: 34px; line-height: 1; color: var(--accent); }
.u-card h3 { margin: 0; font-size: 19px; }
.u-card h3 a { color: var(--ink); text-decoration: none; }
.u-card h3 a::after { content: ''; position: absolute; inset: 0; }
.u-card p { margin: 0; font-size: 14.5px; color: var(--ink-2); flex: 1; }
.u-card .meta { font-size: 13px; color: var(--ink-2); font-weight: 600; }
.u-card .ic { font-size: 30px; }

/* Simuladores */
.sim { border: 1.5px solid var(--ink); border-radius: var(--radius); padding: 20px; background: var(--paper-2); margin: 16px 0 26px; }
.sim h2 { font-size: 22px; margin-bottom: 10px; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.field input, .field select, .field textarea { font: inherit; font-size: 16px; font-weight: 400; color: var(--ink); border: 1.5px solid var(--ink); border-radius: 12px; padding: 8px 12px; background: var(--paper); min-height: 42px; }
.field textarea { font-family: ui-monospace, Consolas, monospace; font-size: 14.5px; line-height: 1.55; resize: vertical; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.bits { display: inline-flex; flex-wrap: wrap; gap: 3px; font-family: ui-monospace, Consolas, monospace; }
.bits span { display: inline-grid; place-items: center; width: 24px; height: 30px; border: 1.5px solid var(--ink); border-radius: 6px; background: var(--paper); font-weight: 700; font-size: 14px; }
.bits span.one { background: var(--ink); color: var(--paper); }
.bits .gap { width: 8px; border: 0; background: none; }
.out { font-family: ui-monospace, Consolas, monospace; font-size: 15px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; font-size: 15px; }
.kv dt { color: var(--ink-2); font-weight: 600; }
.kv dd { margin: 0; font-family: ui-monospace, Consolas, monospace; word-break: break-all; }
.warn { color: var(--bad); font-weight: 600; }
.good { color: var(--ok); font-weight: 600; }

/* ---------- Página da disciplina ---------- */
.disc-head { padding: 40px 0 26px; border-bottom: 1.5px solid var(--ink); }
.disc-head h1 { font-size: clamp(30px, 5vw, 50px); max-width: 900px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 0; }
.facts span { border: 1.5px solid var(--ink); border-radius: 99px; padding: 4px 12px; font-size: 14px; background: var(--paper); }
.tabs-bar { position: sticky; top: 58px; z-index: 20; background: var(--paper); padding: 14px 0; border-bottom: 1.5px solid var(--line); }
.panel-sec { padding: 28px 0 56px; }
.panel-sec[hidden] { display: none; }
.two-col { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; align-items: start; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }
.panel-sec h2 { font-size: 26px; margin-top: 26px; }
.panel-sec h2:first-child { margin-top: 0; }
.panel-sec ul { padding-left: 20px; }
.panel-sec li { margin-bottom: 6px; }
.bib li { font-size: 15px; }
.weight { font-family: var(--display); font-size: 20px; text-align: right; white-space: nowrap; }
.wk { font-family: var(--display); font-size: 20px; }
tr.exam td { background: var(--accent-soft); }
.tbl a { color: var(--ink); font-weight: 600; }

/* Partes, unidades em preparação e projetos */
.parte { margin-bottom: 40px; }
.parte-t { font-size: 24px; margin: 0 0 4px; }
.u-card.pend { border-style: dashed; color: var(--ink-2); }
.u-card.pend:hover { transform: none; box-shadow: none; }
.u-card.pend .num { color: var(--ink-3); }
.building { background: var(--warn-soft); color: var(--warn); border-radius: 99px; padding: 1px 8px; }
.proj { margin-bottom: 36px; }

/* ---------- Página de unidade ---------- */
.doc { display: grid; grid-template-columns: 220px minmax(0, 760px); gap: 40px; justify-content: center; padding: 32px 16px 40px; }
.toc { position: sticky; top: 80px; align-self: start; font-size: 14px; }
.toc strong { display: block; font-size: 12.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-2); margin-bottom: 8px; }
.toc a { display: block; color: var(--ink); text-decoration: none; padding: 5px 10px; border-left: 2px solid var(--line); }
.toc a:hover { border-left-color: var(--ink); background: var(--pill); }
.u-num { font-family: var(--display); font-weight: 800; font-size: 56px; line-height: 1; color: var(--accent); }
.doc h1 { font-size: clamp(28px, 4.5vw, 42px); margin-top: 6px; }
.doc h2 { font-size: 24px; margin-top: 34px; scroll-margin-top: 80px; }
.doc p, .doc li { font-size: 16.5px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 18px; }
.meta-row span { border: 1.5px solid var(--ink); border-radius: 99px; padding: 3px 12px; font-size: 13.5px; }
.simbox { display: flex; gap: 14px; align-items: center; justify-content: space-between; flex-wrap: wrap; border: 1.5px solid var(--ink); border-radius: 20px; padding: 16px 18px; background: var(--accent-soft); margin-top: 26px; }
.pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 40px; flex-wrap: wrap; }
@media (max-width: 900px) { .doc { grid-template-columns: minmax(0, 1fr); gap: 10px; } .toc { position: static; display: none; } }

@media print {
  .ex details { display: block; }
  .ex details:not([open]) .ans { display: none; }
  .u-card { break-inside: avoid; }
}

/* Níveis de ensino e uso no Fundamental */
.niveis { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.nivel { border: 1.5px solid var(--ink); border-radius: 99px; padding: 2px 10px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.nivel.n-ef { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.uso { max-width: 760px; margin-top: 12px; padding: 12px 14px; border-left: 4px solid var(--accent); background: var(--accent-soft); border-radius: 0 12px 12px 0; font-size: 15px; }
.seg button[aria-pressed="true"]:hover { background: var(--ink); }