/* =========================================================
   Guia C# — estilos
   ========================================================= */
:root {
  --accent: #68217a;
  --accent-hover: #4b1758;
  --accent-text: #ffffff;
  --aubergine: #1d1d21;
  --bg: #ffffff;
  --text: #1d1d1b;
  --muted: #5f5f5a;
  --border: #dddcd8;
  --sidebar-bg: #f3f2f0;
  --sidebar-hover: #e2e0dc;
  --example-bg: #e9e8e5;
  --code-bg: #ffffff;
  --code-text: #1d1d1b;
  --inline-code-bg: #f1efeb;
  --inline-code-text: #a80a42;
  --out-bg: #1e1a1d;
  --out-text: #e6e6e6;
  --note-bg: #fff8d6;
  --note-border: #f2c400;
  --warn-bg: #ffe5e1;
  --warn-border: #e0442b;
  --tip-bg: #e3f6ea;
  --tip-border: #23a05a;
  --ok: #1d8a4c;
  --bad: #c62f1c;
  --row-alt: #f7f6f4;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --accent: #c08ce0;
    --accent-hover: #d9b8ef;
    --accent-text: #1c0b26;
    --bg: #17171a;
    --text: #e8e7e3;
    --muted: #a5a49e;
    --border: #34343a;
    --sidebar-bg: #1e1e22;
    --sidebar-hover: #2b2b31;
    --example-bg: #24242a;
    --code-bg: #121215;
    --code-text: #e8e7e3;
    --inline-code-bg: #2a2a30;
    --inline-code-text: #ff7aa0;
    --out-bg: #0b0b0d;
    --out-text: #dcdcdc;
    --note-bg: #2f2a14;
    --note-border: #c9a300;
    --warn-bg: #3a1c18;
    --warn-border: #e0573f;
    --tip-bg: #16301f;
    --tip-border: #2fb267;
    --ok: #4ccf84;
    --bad: #ff7a66;
    --row-alt: #1d1d21;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --accent: #c08ce0;
  --accent-hover: #d9b8ef;
  --accent-text: #1c0b26;
  --bg: #17171a;
  --text: #e8e7e3;
  --muted: #a5a49e;
  --border: #34343a;
  --sidebar-bg: #1e1e22;
  --sidebar-hover: #2b2b31;
  --example-bg: #24242a;
  --code-bg: #121215;
  --code-text: #e8e7e3;
  --inline-code-bg: #2a2a30;
  --inline-code-text: #ff7aa0;
  --out-bg: #0b0b0d;
  --out-text: #dcdcdc;
  --note-bg: #2f2a14;
  --note-border: #c9a300;
  --warn-bg: #3a1c18;
  --warn-border: #e0573f;
  --tip-bg: #16301f;
  --tip-border: #2fb267;
  --ok: #4ccf84;
  --bad: #ff7a66;
  --row-alt: #1d1d21;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.7 system-ui, -apple-system, "Segoe UI", Ubuntu, Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
code, pre, kbd, .mono {
  font-family: "Ubuntu Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
img { max-width: 100%; }

/* ---------------- Barra superior ---------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 56px;
  padding: 0 16px;
  background: var(--aubergine);
  color: #fff;
}
.topbar a { color: #fff; text-decoration: none; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; white-space: nowrap; }
.brand-mark {
  display: grid; place-items: center;
  width: 38px; height: 30px; border-radius: 8px;
  background: #68217a; color: #fff; font-size: 13px;
}
.topbar .spacer { flex: 1; }
.top-links { display: flex; gap: 2px; margin-left: 12px; }
.top-link { font-size: 15px; padding: 6px 10px; border-radius: 6px; }
.top-link.ativo { background: rgba(255,255,255,.16); }
.top-link:hover { background: rgba(255,255,255,.12); }
.icon-btn {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 8px;
  background: transparent; color: #fff;
  font-size: 18px; cursor: pointer;
}
.icon-btn:hover { background: rgba(255,255,255,.12); }
#menu-btn { display: none; }

/* ---------------- Layout ---------------- */
.layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); }
.sidebar {
  position: sticky; top: 56px;
  height: calc(100vh - 56px);
  overflow-y: auto;
  padding: 12px 0 40px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
}
.sidebar-filter { padding: 4px 12px 10px; }
.sidebar-filter input {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font: inherit; font-size: 14px;
}
.sidebar h2 {
  margin: 14px 0 2px;
  padding: 0 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar a {
  display: block;
  padding: 3px 16px 3px 24px;
  color: var(--text);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.6;
}
.sidebar a:hover { background: var(--sidebar-hover); }
.sidebar a.active { background: var(--accent); color: var(--accent-text); font-weight: 600; }

.main { min-width: 0; padding: 24px 40px 80px; }
.content { max-width: 920px; }

/* ---------------- Tipografia ---------------- */
h1 { font-size: 2.4rem; line-height: 1.2; font-weight: 600; margin: 12px 0 16px; }
h1 .hl { color: var(--accent); }
h2 { font-size: 1.7rem; line-height: 1.3; font-weight: 600; margin: 28px 0 12px; }
h3 { font-size: 1.2rem; margin: 22px 0 8px; }
p, ul, ol { margin: 0 0 14px; }
li { margin: 4px 0; }
hr { border: 0; border-top: 1px solid var(--border); margin: 28px 0; }
.intro { font-size: 1.12rem; }

:not(pre) > code {
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--inline-code-bg);
  color: var(--inline-code-text);
  font-size: .95em;
  overflow-wrap: anywhere;
}
kbd {
  padding: 1px 6px;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--sidebar-bg);
  font-size: .9em;
}

/* ---------------- Botões anterior/próximo ---------------- */
.pager { display: flex; justify-content: space-between; gap: 12px; margin: 8px 0 16px; }
.pager a, .btn {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}
.pager a:hover, .btn:hover { background: var(--accent-hover); color: var(--accent-text); }
.pager .next { margin-left: auto; }
.btn-lg { padding: 12px 26px; font-size: 18px; }

/* ---------------- Blocos de código ---------------- */
.syntax, .cmd, .file, .out {
  position: relative;
  margin: 10px 0 16px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 15px;
  line-height: 1.55;
  border-radius: 6px;
  white-space: pre;
}
.syntax {
  background: var(--example-bg);
  border-left: 4px solid var(--muted);
}
.cmd, .file {
  background: var(--code-bg);
  color: var(--code-text);
  border-left: 4px solid var(--accent);
  padding-right: 80px;
}
.file { padding-top: 34px; }
.file::before {
  content: attr(data-file);
  position: absolute; top: 0; left: 0;
  padding: 3px 12px;
  border-bottom-right-radius: 6px;
  background: var(--accent);
  color: var(--accent-text);
  font-size: 12.5px;
  font-weight: 600;
}
.out {
  background: var(--out-bg);
  color: var(--out-text);
}
.out-label {
  margin: 4px 0 -6px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
}
.prompt { color: var(--accent); user-select: none; }
.cmt { color: var(--muted); font-style: italic; }
.copy-btn {
  position: absolute; top: 8px; right: 8px;
  padding: 2px 10px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg);
  color: var(--muted);
  font: 12.5px system-ui, sans-serif;
  cursor: pointer;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }

/* ---------------- Caixa de exemplo ---------------- */
.example {
  margin: 18px 0 22px;
  padding: 6px 20px 14px;
  background: var(--example-bg);
  border-radius: 8px;
}
.example > h3 { margin: 10px 0 6px; font-size: 1.25rem; }
.example .cmd, .example .file { box-shadow: 0 1px 2px rgba(0,0,0,.06); }

/* ---------------- Avisos ---------------- */
.note, .warning, .tip {
  margin: 18px 0;
  padding: 12px 18px;
  border-left: 6px solid;
  border-radius: 4px;
}
.note { background: var(--note-bg); border-color: var(--note-border); }
.warning { background: var(--warn-bg); border-color: var(--warn-border); }
.tip { background: var(--tip-bg); border-color: var(--tip-border); }
.note > :last-child, .warning > :last-child, .tip > :last-child { margin-bottom: 0; }
.note > strong:first-child, .warning > strong:first-child, .tip > strong:first-child { display: block; margin-bottom: 2px; }

/* ---------------- Tabelas ---------------- */
.table-wrap { overflow-x: auto; margin: 12px 0 20px; }
table.ref { width: 100%; border-collapse: collapse; font-size: 15px; }
table.ref th, table.ref td {
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}
table.ref th { background: var(--example-bg); font-weight: 700; }
table.ref tr:nth-child(even) td { background: var(--row-alt); }
table.ref td:first-child { white-space: nowrap; }
table.ref code { overflow-wrap: normal; }

/* ---------------- Exercício ---------------- */
.exercise {
  margin: 28px 0;
  padding: 6px 20px 18px;
  border: 2px solid var(--accent);
  border-radius: 8px;
}
.exercise > h2 { margin-top: 12px; font-size: 1.4rem; }
.ex-code {
  margin: 10px 0 14px;
  padding: 14px 16px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: "Ubuntu Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 16px;
  white-space: pre-wrap;
  line-height: 2.2;
}
.ex-code input {
  width: 6.5em;
  padding: 2px 6px;
  border: 1px solid var(--muted);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
.ex-code input.ok { border-color: var(--ok); outline: 2px solid var(--ok); }
.ex-code input.bad { border-color: var(--bad); outline: 2px solid var(--bad); }
.ex-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.ex-actions button {
  padding: 7px 16px;
  border: 0; border-radius: 6px;
  background: var(--accent); color: var(--accent-text);
  font: 600 15px system-ui, sans-serif;
  cursor: pointer;
}
.ex-actions button.secondary { background: var(--example-bg); color: var(--text); }
.ex-result { font-weight: 600; }
.ex-result.ok { color: var(--ok); }
.ex-result.bad { color: var(--bad); }

/* ---------------- Quiz (múltipla escolha) ---------------- */
.mc {
  margin: 14px 0;
  padding: 12px 18px;
  background: var(--example-bg);
  border-radius: 8px;
}
.mc-q { font-weight: 600; margin-bottom: 8px; }
.mc label {
  display: block;
  margin: 4px 0;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  cursor: pointer;
}
.mc label.ok { border-color: var(--ok); outline: 2px solid var(--ok); }
.mc label.bad { border-color: var(--bad); outline: 2px solid var(--bad); }
.mc input { margin-right: 8px; accent-color: var(--accent); }
.mc-feedback { margin: 6px 0 0; font-weight: 600; }

/* ---------------- Página inicial ---------------- */
.hero {
  margin: 8px 0 24px;
  padding: 36px 32px;
  background: var(--aubergine);
  color: #fff;
  border-radius: 10px;
}
.hero h1 { margin-top: 0; font-size: 2.8rem; color: #fff; }
.hero p { font-size: 1.15rem; max-width: 640px; color: #e4e4ea; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; margin: 16px 0 24px; }
.card {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
}
.card:hover { border-color: var(--accent); color: var(--text); }
.card strong { display: block; color: var(--accent); margin-bottom: 4px; }
.card span { font-size: 14.5px; color: var(--muted); }

/* ---------------- Rodapé ---------------- */
.site-footer {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--muted);
}

/* ---------------- Celular ---------------- */
@media (max-width: 900px) {
  #menu-btn { display: inline-grid; }
  .top-links { display: none; }
  .layout { grid-template-columns: minmax(0, 1fr); }
  .sidebar {
    position: fixed; top: 56px; left: 0; z-index: 25;
    width: min(85vw, 300px);
    transform: translateX(-105%);
    transition: transform .2s ease;
    box-shadow: 0 8px 24px rgba(0,0,0,.25);
  }
  body.menu-open .sidebar { transform: none; }
  .main { padding: 16px 16px 64px; }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.45rem; }
  .hero { padding: 24px 18px; }
  .hero h1 { font-size: 2rem; }
  .example { padding: 4px 12px 10px; }
}

/* ---------------- Abas de nível no menu ---------------- */
.nivel-tabs { display: flex; flex-wrap: wrap; gap: 4px; padding: 0 12px 6px; }
.nivel-tabs button {
  flex: 1 1 auto;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font: 600 12.5px system-ui, sans-serif;
  cursor: pointer;
}
.nivel-tabs button.on { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.nivel-desc { margin: 4px 16px 0; font-size: 13px; color: var(--muted); }
.sidebar.buscando .nivel-tabs, .sidebar.buscando .nivel-desc { display: none; }

/* ---------------- Selo de nível ---------------- */
.selo { display: flex; flex-wrap: wrap; gap: 8px; margin: -6px 0 18px; font-size: 13.5px; }
.selo span { padding: 2px 10px; border-radius: 999px; font-weight: 600; }
.selo-nivel { color: #fff; }
.selo-n1 .selo-nivel { background: #2e8b57; }
.selo-n2 .selo-nivel { background: #1f6fb2; }
.selo-n3 .selo-nivel { background: #8e2a8e; }
.selo-proj .selo-nivel { background: var(--accent); }
.selo-ref .selo-nivel { background: #555; }
.selo-grupo { background: var(--example-bg); color: var(--muted); }

/* ---------------- Janela de terminal (sessão e simulador) ---------------- */
.term-win, .sim {
  position: relative;
  margin: 12px 0 18px;
  border-radius: 10px;
  overflow: hidden;
  background: #1e1e22;
  box-shadow: 0 2px 10px rgba(0,0,0,.18);
}
.term-bar, .sim-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 12px;
  background: #2b2b30;
  color: #d4d4d8;
  font: 13px system-ui, sans-serif;
}
.sim-dots { display: inline-flex; gap: 6px; }
.sim-dots i { width: 11px; height: 11px; border-radius: 50%; background: #55555c; }
.sim-dots i:first-child { background: #d70a53; }
.term-title, .sim-title { flex: 1; text-align: center; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
pre.term {
  margin: 0;
  padding: 12px 16px 14px;
  overflow-x: auto;
  background: transparent;
  color: #eeeeec;
  font-size: 14.5px;
  line-height: 1.5;
  white-space: pre;
}
.term-win .copy-btn { top: 5px; right: 8px; background: transparent; color: #d4d4d8; border-color: rgba(255,255,255,.25); }
.term-win .copy-btn:hover { color: #fff; border-color: #68217a; }
.t-u, .c-u { color: #8ae234; font-weight: 700; }
.t-d, .c-d { color: #729fcf; font-weight: 700; }
.t-c { color: #ffffff; }
.t-o { color: #e2e2e6; }
.t-a {
  margin-left: 6px;
  padding: 0 6px;
  border-radius: 4px;
  background: #c2410c;
  color: #fff;
  font: 600 12.5px system-ui, sans-serif;
  user-select: none;
}
.c-x { color: #8ae234; font-weight: 700; }
.c-z { color: #ef2929; font-weight: 700; }
.c-m { color: #ad7fa8; font-weight: 700; }
.c-a { color: #34e2e2; }
.c-r { color: #ef2929; font-weight: 700; }
.c-p { color: #ad7fa8; }
.c-g { color: #8ae234; }
.c-s { color: #34e2e2; }
.c-i { color: #a9a9b2; font-style: italic; }

/* ---------------- Simulador interativo ---------------- */
.try {
  margin: 22px 0;
  padding: 4px 18px 14px;
  border: 2px dashed var(--accent);
  border-radius: 10px;
}
.try-head { margin: 10px 0 4px; font-weight: 700; font-size: 1.15rem; color: var(--accent); }
.try-task { margin: 4px 0 8px; }
.sim-btn {
  padding: 2px 10px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 5px;
  background: transparent;
  color: #d4d4d8;
  font: 12.5px system-ui, sans-serif;
  cursor: pointer;
}
.sim-btn:hover { color: #fff; border-color: #68217a; }
.sim-screen {
  height: 320px;
  overflow-y: auto;
  padding: 10px 14px 12px;
  color: #eeeeec;
  font: 14.5px/1.5 "Ubuntu Mono", ui-monospace, Menlo, Consolas, monospace;
  cursor: text;
}
.sim-out > div { white-space: pre-wrap; word-break: break-word; }
.sim-line { display: flex; align-items: baseline; }
.sim-prompt { white-space: pre; }
.sim-input {
  flex: 1; min-width: 0;
  padding: 0; margin: 0;
  border: 0; outline: 0;
  background: transparent;
  color: #ffffff;
  font: inherit;
  caret-color: #68217a;
}
.sim-status { margin: 8px 0 0; font-weight: 600; color: var(--muted); }
.sim-status.ok { color: var(--ok); }

/* ---------------- Anatomia do comando ---------------- */
.anat-box {
  margin: 14px 0 20px;
  padding: 12px 18px 6px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
}
.anat-label { margin: 0 0 8px; font-size: 13px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); }
.anat-cmd {
  display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: flex-start;
  padding: 12px 14px 10px;
  border-radius: 8px;
  background: #1e1e22;
  font: 17px "Ubuntu Mono", ui-monospace, Menlo, Consolas, monospace;
}
.anat-parte {
  position: relative;
  padding: 2px 8px 2px;
  border-bottom: 3px solid;
  border-radius: 4px 4px 0 0;
  color: #fff;
  white-space: pre;
}
.anat-parte::after {
  content: attr(data-n);
  position: absolute; top: -9px; right: -7px;
  min-width: 18px; height: 18px;
  border-radius: 9px;
  background: currentColor;
  font: 700 11px/18px system-ui, sans-serif;
  text-align: center;
}
.anat-parte::after { color: inherit; }
dl.anatomy { margin: 12px 0 8px; display: grid; grid-template-columns: max-content 1fr; gap: 8px 14px; align-items: baseline; }
dl.anatomy dt {
  font: 600 15px "Ubuntu Mono", ui-monospace, Menlo, Consolas, monospace;
  padding: 1px 8px;
  border-radius: 4px;
  border-left: 4px solid;
  background: var(--example-bg);
}
dl.anatomy dt::before { content: attr(data-n) ". "; color: var(--muted); }
dl.anatomy dd { margin: 0; }
.anat-0 { border-color: #68217a; } .anat-parte.anat-0 { background: rgba(0,89,156,.28); }
.anat-1 { border-color: #8ae234; } .anat-parte.anat-1 { background: rgba(138,226,52,.18); }
.anat-2 { border-color: #729fcf; } .anat-parte.anat-2 { background: rgba(114,159,207,.22); }
.anat-3 { border-color: #fce94f; } .anat-parte.anat-3 { background: rgba(252,233,79,.16); }
.anat-4 { border-color: #ad7fa8; } .anat-parte.anat-4 { background: rgba(173,127,168,.25); }
.anat-5 { border-color: #34e2e2; } .anat-parte.anat-5 { background: rgba(52,226,226,.16); }
.anat-parte.anat-0::after { background: #68217a; color: #fff; }
.anat-parte.anat-1::after { background: #8ae234; color: #1a1a1a; }
.anat-parte.anat-2::after { background: #729fcf; color: #1a1a1a; }
.anat-parte.anat-3::after { background: #fce94f; color: #1a1a1a; }
.anat-parte.anat-4::after { background: #ad7fa8; color: #1a1a1a; }
.anat-parte.anat-5::after { background: #34e2e2; color: #1a1a1a; }

/* ---------------- Passo a passo / cenários ---------------- */
.passo { counter-reset: passo; list-style: none; padding: 0; }
.passo > li { counter-increment: passo; position: relative; padding: 0 0 6px 44px; margin: 0 0 14px; }
.passo > li::before {
  content: counter(passo);
  position: absolute; left: 0; top: 0;
  width: 38px; height: 30px; border-radius: 8px;
  background: var(--accent); color: var(--accent-text);
  font-weight: 700; text-align: center; line-height: 30px;
}
.cenario {
  margin: 18px 0;
  padding: 12px 18px;
  border: 1px solid var(--border);
  border-left: 6px solid #1f6fb2;
  border-radius: 6px;
  background: var(--bg);
}
.cenario > strong:first-child { display: block; margin-bottom: 4px; color: #1f6fb2; }
:root[data-theme="dark"] .cenario > strong:first-child { color: #6fb0ec; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .cenario > strong:first-child { color: #6fb0ec; } }

/* ---------------- Trilhas na página inicial ---------------- */
.trilhas { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin: 16px 0 24px; }
.trilha { padding: 18px; border-radius: 10px; border: 1px solid var(--border); border-top: 6px solid; }
.trilha h3 { margin: 0 0 6px; }
.trilha ul { margin: 8px 0 12px; padding-left: 18px; font-size: 15px; }
.trilha.n1 { border-top-color: #2e8b57; } .trilha.n2 { border-top-color: #1f6fb2; } .trilha.n3 { border-top-color: #8e2a8e; } .trilha.proj { border-top-color: var(--accent); } .trilha.ref { border-top-color: #b8860b; }

@media (max-width: 600px) {
  dl.anatomy { grid-template-columns: 1fr; gap: 2px; }
  dl.anatomy dd { margin-bottom: 8px; }
  .sim-screen { height: 280px; font-size: 13.5px; }
  pre.term { font-size: 13.5px; }
}

/* ---------------- Referência: índice de letras e glossário ---------------- */
.indice-letras {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 12px; border-radius: 8px; background: var(--example-bg);
  font-size: 0; /* esconde os separadores " · " */
}
.indice-letras a {
  display: inline-grid; place-items: center;
  min-width: 34px; height: 34px; padding: 0 6px;
  border-radius: 6px; background: var(--bg); border: 1px solid var(--border);
  color: var(--text); text-decoration: none;
  font: 700 15px "Ubuntu Mono", ui-monospace, monospace;
}
.indice-letras a:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
dl.glossario { margin: 16px 0; }
dl.glossario dt { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border); font-size: 1.05rem; }
dl.glossario dt:first-child { border-top: 0; padding-top: 0; }
dl.glossario dt strong { color: var(--accent); }
dl.glossario dd { margin: 4px 0 0; }

@media print {
  .topbar, .sidebar, .pager, .copy-btn, .ex-actions { display: none !important; }
  .layout { display: block; }
  .out { background: #f2f2f2; color: #000; }
}

/* ---------- Guia Bash ---------- */
.versao { display: inline-block; font-size: .72rem; font-weight: 700; padding: 1px 7px; border-radius: 999px; background: var(--accent); color: #fff; vertical-align: middle; margin-left: 6px; letter-spacing: .02em; }

/* ---------------- Guia Bash: simulador (.try e .tryscript) ---------------- */
.tryscript {
  margin: 22px 0;
  padding: 4px 18px 14px;
  border: 2px dashed var(--accent);
  border-radius: 10px;
}
.try .sim, .tryscript .sim { max-width: 100%; }
.sim-out .sim-err, .ts-saida .sim-err { color: #ff8a80; }
.sim-out .sim-msg, .sim-out .sim-info { color: #a9a9b2; font-style: italic; }
.sim-out .sim-cmd { white-space: pre-wrap; word-break: break-word; }
.sim-out .sim-digitado { color: #ffffff; }
.sim-rev { filter: invert(1); }
.sim-screen { overscroll-behavior: contain; }
.sim-line .sim-input[type="password"] { letter-spacing: .2em; }
.sim-btn + .sim-btn { margin-left: 6px; }
.sim-btn2 {
  padding: 5px 12px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-text);
  font: 600 14px system-ui, sans-serif;
  cursor: pointer;
}
.sim-btn2:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.sim-btn2.secundario { background: transparent; color: var(--text); border-color: var(--border); }
.sim-sol {
  margin: -8px 0 12px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--example-bg);
}
.sim-sol-tit { margin: 0 0 6px; font-weight: 700; }
.sim-sol-cmd {
  margin: 0 0 10px;
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--code-bg);
  color: var(--code-text);
  font: 14px/1.5 "Ubuntu Mono", ui-monospace, Menlo, Consolas, monospace;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}
/* editor de script */
.ts { margin: 8px 0 4px; }
.ts-bar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  background: var(--sidebar-bg);
  font: 13px system-ui, sans-serif;
}
.ts-arq { font: 600 13.5px "Ubuntu Mono", ui-monospace, monospace; color: var(--text); }
.ts-arq::before { content: "📄 "; }
.ts-sp { flex: 1; }
.ts-bar .sim-btn { color: var(--text); border-color: var(--border); }
.ts-bar .sim-btn:hover { color: var(--accent); border-color: var(--accent); }
.ts-confirma {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-bottom: 0;
  background: var(--note-bg);
  font-size: 14.5px;
}
.ts-editor {
  display: flex;
  border: 1px solid var(--border);
  background: var(--code-bg);
  overflow-x: auto;
}
.ts-nums {
  margin: 0;
  padding: 10px 8px 10px 10px;
  min-width: 2.2em;
  text-align: right;
  color: var(--muted);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  font: 14.5px/1.5 "Ubuntu Mono", ui-monospace, Menlo, Consolas, monospace;
  user-select: none;
  white-space: pre;
}
.ts-code {
  flex: 1;
  min-width: 0;
  margin: 0;
  padding: 10px 12px;
  border: 0;
  outline: 0;
  resize: none;
  overflow: hidden;
  background: transparent;
  color: var(--code-text);
  font: 14.5px/1.5 "Ubuntu Mono", ui-monospace, Menlo, Consolas, monospace;
  white-space: pre;
  tab-size: 2;
  caret-color: var(--accent);
}
.ts-editor:focus-within { outline: 2px solid var(--accent); outline-offset: -2px; }
.ts-run {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-top: 0;
  border-radius: 0 0 8px 8px;
  background: var(--sidebar-bg);
}
.ts-args-l { flex: 1; display: flex; align-items: center; gap: 6px; min-width: 0; font-size: 14px; }
.ts-args {
  flex: 1; min-width: 0;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font: 14px "Ubuntu Mono", ui-monospace, monospace;
}
.ts-rodar {
  padding: 6px 16px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-text);
  font: 700 14.5px system-ui, sans-serif;
  cursor: pointer;
}
.ts-rodar:hover { background: var(--accent-hover); }
.ts-saida .sim-screen { height: auto; min-height: 60px; max-height: 360px; cursor: default; }
.ts-saida .sim-out > div { min-height: 1.5em; }
.ts-codigo { margin-top: 4px; color: #8ae234; font-style: italic; }
.ts-codigo.ts-erro { color: #ff8a80; }
.ts-campo {
  min-width: 8ch; width: 50%;
  padding: 0 4px;
  border: 0;
  border-bottom: 1px dashed #8ae234;
  outline: 0;
  background: rgba(255,255,255,.06);
  color: #fff;
  font: inherit;
  caret-color: #8ae234;
}
@media (max-width: 600px) {
  .tryscript { padding: 4px 10px 12px; }
  .try { padding: 4px 10px 12px; }
  .ts-nums, .ts-code { font-size: 13.5px; }
  .ts-run { flex-direction: column; align-items: stretch; }
  .ts-rodar { width: 100%; }
}
.sim-out > div { min-height: 1.5em; }

/* ---------- Capturas de tela (figure) ---------- */
figure { margin: 18px 0; }
figure img { display: block; max-width: 100%; height: auto; border: 1px solid var(--border); border-radius: 8px; }
figcaption { margin-top: 8px; font-size: .92rem; color: var(--muted); line-height: 1.5; }


/* ---------------- Guia C: editor .trycs (assets/csim.js) ---------------- */
.trycs {
  margin: 22px 0;
  padding: 4px 18px 14px;
  border: 2px dashed var(--accent);
  border-radius: 10px;
  min-width: 0;
}
.trycs .sim { max-width: 100%; }
.tc .ts-code { tab-size: 4; }
.tc-tabs { display: flex; flex-wrap: wrap; gap: 4px; min-width: 0; }
.tc-tab {
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 6px 6px 0 0;
  background: transparent;
  color: var(--muted);
  font: 600 13.5px "Ubuntu Mono", ui-monospace, monospace;
  cursor: pointer;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tc-tab::before { content: "📄 "; }
.tc-tab:hover { color: var(--accent); border-color: var(--accent); }
.tc-tab.on { background: var(--code-bg); color: var(--text); border-color: var(--accent); }
.tc-entrada-l { display: flex; align-items: flex-start; gap: 6px; flex: 1; min-width: 0; font-size: 14px; }
.tc-entrada {
  flex: 1; min-width: 0;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 "Ubuntu Mono", ui-monospace, monospace;
  resize: vertical;
}
.tc-carga {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-top: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--note-bg);
  font-size: 14px;
}
.tc-carga[hidden] { display: none; }
.tc-carga-txt { flex: 1 1 220px; min-width: 0; }
.tc-barra { flex: 1 1 140px; height: 8px; border-radius: 4px; background: var(--border); overflow: hidden; }
.tc-barra i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .15s; }
.tc .ts-saida { margin-top: 8px; }
.tc .sim-screen { max-height: 420px; }
.tc .sim-screen .sim-err { color: #ff8a80; }
.tc .sim-digitado { color: #ffffff; font-weight: 700; }
.tc .ts-campo { width: auto; min-width: 12ch; max-width: 100%; }
.tc .sim-out > div { white-space: pre-wrap; word-break: break-word; overflow-wrap: anywhere; }
.tc .tc-diag { color: #d3d7cf; }
.tc .tc-compilando { animation: tc-pisca 1.2s ease-in-out infinite; }
@keyframes tc-pisca { 50% { opacity: .45; } }
/* cores ANSI (diagnósticos do Clang e programas coloridos), no terminal escuro */
.tc .c-n { font-weight: 700; }
.tc .c-r { color: #ff6b6b; }
.tc .c-g { color: #8ae234; }
.tc .c-y { color: #fce94f; }
.tc .c-b { color: #82aaff; }
.tc .c-m { color: #f78cf2; }
.tc .c-c { color: #34e2e2; }
.tc .c-w { color: #ffffff; }
.tc .c-k { color: #a9a9b2; }
.tc-nota { margin: 8px 0 0; font-size: 13.5px; color: var(--muted); line-height: 1.5; }
@media (max-width: 600px) {
  .trycs { padding: 4px 10px 12px; }
  .tc-tab { font-size: 12.5px; padding: 3px 7px; }
  .tc .ts-run { flex-direction: column; align-items: stretch; }
}