/* ==========================================================================
   curso.css — Página de Aprendizado (trilha) e páginas de módulo (artigo)
   © @JottaCyber
   ========================================================================== */

/* ---- Landing da trilha ---- */
.learn-head { padding-block: clamp(48px, 8vw, 84px) 8px; max-width: 64ch; }

.progress-box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); margin-bottom: 30px; }
.progress-box .top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.progress-box .lbl { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.progress-box .val { font-weight: 700; font-variant-numeric: tabular-nums; }
.progress-track { height: 10px; border-radius: 999px; background: var(--surface-2); overflow: hidden; border: 1px solid var(--line); }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--dominei)); width: 0; transition: width .4s ease; }

/* ---- Cards de módulo ---- */
.modules { display: grid; gap: 16px; }
.module {
  display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 22px; box-shadow: var(--shadow); transition: border-color .12s, transform .12s;
}
.module:hover { border-color: var(--accent); transform: translateY(-2px); }
.module .num {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; flex: none;
  font-family: var(--font-mono); font-weight: 700; font-size: 20px; color: #fff;
}
.module.net .num { background: var(--net); }
.module.so .num { background: var(--so); }
.module.infra .num { background: var(--infra); }
:root[data-theme="dark"] .module .num, :root:not([data-theme="light"]) .module .num { color: #06131a; }
.module .body h3 { margin: 0 0 4px; font-size: 1.15rem; }
.module .body p { margin: 0 0 8px; color: var(--muted); font-size: 14px; }
.module .topics { display: flex; flex-wrap: wrap; gap: 6px; }
.module .topics span { font-family: var(--font-mono); font-size: 11px; color: var(--muted); background: var(--surface-2); border: 1px solid var(--line); border-radius: 6px; padding: 3px 8px; }
.module .go { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.module .status { font-family: var(--font-mono); font-size: 11px; color: var(--muted); display: flex; align-items: center; gap: 5px; }
.module.done { border-color: color-mix(in srgb, var(--dominei) 55%, var(--line)); }
.module.done .status { color: var(--dominei); }
.module .go .btn { white-space: nowrap; }

@media (max-width: 640px) {
  .module { grid-template-columns: auto 1fr; }
  .module .go { grid-column: 1 / -1; flex-direction: row; justify-content: space-between; align-items: center; }
}

/* ---- Página de módulo (artigo) ---- */
.article-head { padding-block: 24px 8px; }
.back-link { font-family: var(--font-mono); font-size: 12px; color: var(--muted); display: inline-flex; gap: 6px; align-items: center; }
.back-link:hover { color: var(--accent); text-decoration: none; }
.article-head .badge { margin-bottom: 12px; }
.article { max-width: 76ch; margin-inline: auto; padding-bottom: 40px; }
.article h2 { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 1.4rem; }
.article h2:first-of-type { border-top: none; margin-top: 8px; padding-top: 0; }
.article h3 { margin-top: 26px; font-size: 1.08rem; color: var(--accent-ink); }
.article p { color: var(--ink); }
.article ul, .article ol { padding-left: 22px; }
.article li { margin-bottom: 6px; }
.article strong { font-weight: 600; }
.article code { font-family: var(--font-mono); font-size: .88em; background: var(--surface-2); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; }
.article pre { background: var(--card-back); color: var(--card-back-ink); border: 1px solid var(--card-back-line); border-radius: 10px; padding: 14px 16px; overflow-x: auto; font-size: 13px; line-height: 1.6; }
.article pre code { background: none; border: none; padding: 0; color: #cfe8ef; white-space: pre; }
.article .lead { color: var(--muted); font-size: 1.05rem; }

/* callout de segurança */
.sec { border-left: 3px solid var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); border-radius: 0 10px 10px 0; padding: 14px 16px; margin: 16px 0; }
.sec .l { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin-bottom: 5px; }
.sec p { margin: 0; font-size: 14px; }

/* tabela */
.article .table-wrap { overflow-x: auto; margin: 16px 0; }
.article table { border-collapse: collapse; width: 100%; font-size: 13.5px; min-width: 460px; }
.article th, .article td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.article th { background: var(--surface-2); font-weight: 600; }
.article tr:last-child td { border-bottom: none; }

/* rodapé do artigo: concluir */
.article-cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
.done-msg { font-family: var(--font-mono); font-size: 12px; color: var(--dominei); display: none; align-items: center; gap: 6px; }
.done-msg.show { display: inline-flex; }