/* Curso de C — estilos propios, sobre las variables de styles.css */
.cc { max-width: 78ch; font-size: 1.05rem; color: var(--ink-soft); }
.cc h2 { color: var(--ink); font-size: 1.5rem; margin: 2.4rem 0 .9rem; scroll-margin-top: 90px; }
.cc h3 { color: var(--ink); font-size: 1.15rem; margin: 1.6rem 0 .5rem; }
.cc p { margin-bottom: 1.1rem; }
.cc strong { color: var(--ink); }
.cc a { color: var(--accent); }
.cc a.btn-primary { color: var(--accent-ink); }
.cc ul:not(.cc-list):not(.cc-toc ul), .cc ol { margin: 0 0 1.2rem 1.3rem; }
.cc-lesson ul, .cc-lesson ol { margin: 0 0 1.2rem 1.3rem; list-style: revert; }
.cc-lesson li, .cc-list li { margin-bottom: .45rem; }
.cc-lesson li::before { content: none !important; }
.cc-list { list-style: disc; margin: 0 0 1.2rem 1.3rem; }
.cc-list li { padding-left: .2rem; }
.cc-list li::before { content: none !important; }
.cc :not(pre) > code { background: var(--bg-2); border: 1px solid var(--line); border-radius: 5px; padding: .08em .35em; font-size: .88em; color: var(--ink); }
.cc table { border-collapse: collapse; width: 100%; margin: 1.2rem 0; font-size: .95rem; display: block; overflow-x: auto; }
.cc th, .cc td { border: 1px solid var(--line); padding: .5rem .8rem; text-align: left; vertical-align: top; }
.cc th { background: var(--bg-2); color: var(--ink); }
.cc blockquote { margin: 1.2rem 0; padding: .6rem 1.1rem; border-left: 3px solid var(--accent); background: var(--bg-2); border-radius: 0 8px 8px 0; }
.cc blockquote p:last-child { margin-bottom: 0; }
.cc-code, .cc-box { background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: .9rem 1rem; overflow-x: auto;
  font: 500 .85rem/1.55 "JetBrains Mono", ui-monospace, Consolas, monospace; color: var(--ink); margin: 0 0 1.1rem; position: relative; tab-size: 4; }
.cc-box { margin: 0; min-height: 2.4rem; max-height: 14rem; }
.cc pre code { background: none !important; border: 0 !important; padding: 0 !important; font: inherit; color: inherit; }
.tk-k { color: #c084fc; } .tk-t { color: var(--accent); } .tk-s { color: #4ade80; } .tk-n { color: #fb923c; }
.tk-c { color: var(--mute); font-style: italic; } .tk-p { color: #f472b6; }
:root[data-theme="light"] .tk-k { color: #7e22ce; } :root[data-theme="light"] .tk-s { color: #15803d; }
:root[data-theme="light"] .tk-n { color: #c2410c; } :root[data-theme="light"] .tk-p { color: #be185d; }
.cc-copy { position: absolute; top: 6px; right: 6px; font: 600 .72rem Inter, sans-serif; background: var(--bg-card); color: var(--mute);
  border: 1px solid var(--line); border-radius: 6px; padding: 2px 8px; cursor: pointer; }
.cc-copy:hover { color: var(--ink); }
.cc-toc { background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 1rem 1.2rem; margin: 0 0 1.6rem; }
.cc-toc ul { list-style: none; margin: 0; padding: 0; columns: 2 16rem; }
.cc-toc li { margin: 0 0 .3rem; padding: 0; } .cc-toc li::before { content: none !important; }
.cc-lbl { font: 600 .74rem Inter, sans-serif; text-transform: uppercase; letter-spacing: .07em; color: var(--mute); margin: 1rem 0 .35rem !important; }
.cc-toc .cc-lbl { margin-top: 0 !important; }
.cc-fn { font: 600 .82rem "JetBrains Mono", monospace; color: var(--accent); margin: .6rem 0 .3rem !important; }
.cc-exlist { display: grid; gap: .8rem; }
details.cc-ex { background: var(--bg-card); border: 1px solid var(--line); border-radius: 12px; }
details.cc-ex > summary { cursor: pointer; padding: .85rem 1.1rem; font-weight: 600; color: var(--ink); display: flex; gap: .7rem; align-items: center; list-style: none; }
details.cc-ex > summary::-webkit-details-marker { display: none; }
.cc-id { font: 600 .85rem "JetBrains Mono", monospace; color: var(--mute); }
.cc-st { width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--line); flex: none; display: inline-grid; place-items: center; font-size: 12px; color: transparent; }
details.cc-ex.is-done .cc-st { background: #22c55e; border-color: #22c55e; color: #fff; }
details.cc-ex.is-done .cc-st::after { content: "✓"; }
.cc-ex-body { padding: 0 1.1rem 1.1rem; border-top: 1px solid var(--line); }
.cc-stmt { white-space: pre-wrap; margin: 1rem 0 .4rem; }
.cc-io { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; } .cc-io .cc-lbl { margin-top: .2rem !important; }
details.cc-hint, details.cc-sol { margin: .5rem 0; border: 1px dashed var(--line); border-radius: 8px; padding: .5rem .9rem; }
details.cc-hint summary, details.cc-sol summary { cursor: pointer; color: var(--accent); font-weight: 600; font-size: .95rem; }
details.cc-hint p { margin: .5rem 0 0; }
.cc-note { font-size: .92rem; color: var(--mute); }
.cc-done { display: inline-flex; gap: .5rem; align-items: center; margin-top: .8rem; cursor: pointer; color: var(--ink); font-weight: 600; }
.cc-done input { width: 18px; height: 18px; accent-color: var(--accent); }
.cc-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 2.4rem 0 1rem; }
.cc-navbtn { display: block; border: 1px solid var(--line); background: var(--bg-card); border-radius: 12px; padding: .9rem 1.1rem; color: var(--ink) !important; text-decoration: none; }
.cc-navbtn:hover { border-color: var(--accent); } .cc-navbtn span { display: block; font-size: .8rem; color: var(--mute); }
.cc-navbtn:nth-child(2) { text-align: right; }
.cc-stats { display: flex; flex-wrap: wrap; gap: 1.2rem 2.2rem; align-items: center; margin: 0 0 1.6rem; }
.cc-stats b { display: block; font-size: 1.8rem; color: var(--ink); line-height: 1.1; } .cc-stats span { font-size: .85rem; color: var(--mute); }
.cc-mods { display: grid; gap: .7rem; }
.cc-mod { display: flex; gap: 1rem; align-items: flex-start; border: 1px solid var(--line); background: var(--bg-card); border-radius: 12px; padding: .9rem 1.1rem; text-decoration: none; color: var(--ink-soft) !important; }
.cc-mod:hover { border-color: var(--accent); }
.cc-modn { width: 34px; height: 34px; border-radius: 10px; background: var(--bg-2); border: 1px solid var(--line); display: grid; place-items: center; font: 700 .95rem "JetBrains Mono", monospace; color: var(--accent); flex: none; }
.cc-mod.is-done .cc-modn { background: #22c55e; border-color: #22c55e; color: #fff; }
.cc-modt b { display: block; color: var(--ink); } .cc-modt small { display: block; color: var(--mute); font-size: .9rem; margin: .15rem 0 .3rem; }
.cc-modt em { font-style: normal; font-size: .8rem; color: var(--mute); }
/* quiz */
.cc-q { background: var(--bg-card); border: 1px solid var(--line); border-radius: 14px; padding: 1.2rem; }
.cc-q-bar { height: 6px; background: var(--bg-2); border-radius: 99px; overflow: hidden; margin-bottom: 1rem; }
.cc-q-bar i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .3s; }
.cc-q-t { font-size: 1.15rem; color: var(--ink); font-weight: 600; margin-bottom: .9rem; }
.cc-opt { display: block; width: 100%; text-align: left; font: inherit; color: var(--ink); background: var(--bg-2); border: 2px solid var(--line); border-radius: 10px; padding: .65rem .9rem; margin-bottom: .55rem; cursor: pointer; }
.cc-opt:hover:not(:disabled) { border-color: var(--accent); } .cc-opt:disabled { cursor: default; }
.cc-opt.good { border-color: #22c55e; background: rgba(34,197,94,.12); } .cc-opt.bad { border-color: #ef4444; background: rgba(239,68,68,.12); }
.cc-fb { margin-top: .6rem; padding: .7rem 1rem; background: var(--bg-2); border-radius: 10px; }
.cc-score { text-align: center; padding: 1rem; } .cc-score b { display: block; font-size: 2.6rem; color: var(--ink); }
.cc-btn { font: 600 .95rem Inter, sans-serif; background: var(--accent); color: #04121a; border: 0; border-radius: 10px; padding: .6rem 1.2rem; cursor: pointer; margin-top: .4rem; }
@media (max-width: 640px) { .cc-io, .cc-nav { grid-template-columns: 1fr; } .cc-navbtn:nth-child(2) { text-align: left; } }