/* ============================================================
   aicod — mini curso v2 (carregado depois de lab.css)
   Mesmos tokens da home; mais acolhedor: raio 14px, texto maior,
   cartões com fundo para leitura confortável sobre o campo ASCII.
   ============================================================ */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mc-page { cursor: auto; }
.mc-page .bar-nav a:last-of-type:not(.lang) { color: var(--text); }

.mc-prog { display: flex; gap: 5px; align-items: center; }
.mc-prog span { width: 26px; height: 4px; border-radius: 4px; background: var(--line-2); transition: background .3s, box-shadow .3s; }
.mc-prog span.ok { background: var(--sig); }
.mc-prog span.cur { background: #f1f7f3; box-shadow: 0 0 10px rgba(241,247,243,.45); }
.mc-prog span.ok.cur { background: var(--sig); box-shadow: 0 0 12px rgba(25,230,140,.6); }

.mc-wrap { padding: 104px var(--gut) 96px; min-height: 100svh; }
.mc { max-width: 760px; margin: 0 auto; }
.mc > * { animation: mcIn .5s var(--ease); }
@keyframes mcIn { from { opacity: 0; transform: translateY(12px); } }

.mc-k { font-size: 12px; letter-spacing: .07em; text-transform: uppercase; color: var(--dim); margin-bottom: 16px; }
.mc-k .sig { font-size: 9px; vertical-align: 2px; }
.mc-title {
  font-family: var(--display); font-weight: 300; font-stretch: 87.5%;
  font-size: clamp(34px, 6vw, 64px); line-height: 1; letter-spacing: -.045em; color: #f1f7f3; text-wrap: balance;
}
.mc-title.sm { font-size: clamp(28px, 4.4vw, 46px); }
.mc-lede { font-size: 19px; line-height: 1.6; color: var(--text); margin: 22px 0 30px; max-width: 58ch; text-wrap: pretty; text-shadow: 0 0 14px var(--void); }
.mc-text p { font-size: 18px; line-height: 1.65; color: var(--text); margin-top: 16px; max-width: 62ch; text-wrap: pretty; text-shadow: 0 0 14px var(--void); }
.mc-text b, .mc-lede b { color: #fff; font-weight: 600; }
.k-ok { color: var(--sig); font-weight: 600; }
.k-bad { color: #ff7a90; font-weight: 600; }

/* sumário */
.mc-toc { list-style: none; border-radius: 14px; overflow: hidden; border: 1px solid var(--line-2); background: rgba(7,11,9,.82); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.mc-toc li { display: grid; grid-template-columns: 36px 1fr auto; gap: 12px; align-items: baseline; padding: 15px 18px; border-bottom: 1px solid var(--line); }
.mc-toc li:last-child { border-bottom: 0; }
.mc-toc span { color: var(--sig); font-size: 12px; }
.mc-toc b { font-weight: 500; font-size: 16.5px; color: #f1f7f3; }
.mc-toc em { font-style: normal; font-size: 12px; color: var(--dim); }

/* botões */
.mc-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.mc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font: 500 14px/1 var(--mono); letter-spacing: .02em; color: var(--text);
  padding: 15px 22px; border-radius: 12px; border: 1px solid var(--line-2);
  background: rgba(7,11,9,.7); cursor: pointer; transition: background .2s, border-color .2s, box-shadow .25s, transform .15s, opacity .2s;
}
.mc-btn:hover { border-color: var(--text); }
.mc-btn:active { transform: scale(.98); }
.mc-btn.pri { background: var(--sig); border-color: var(--sig); color: var(--void); }
.mc-btn.pri:hover { box-shadow: 0 0 0 4px var(--sig-dim), 0 0 32px rgba(25,230,140,.35); }
.mc-btn.sm { padding: 11px 15px; font-size: 12.5px; border-radius: 10px; }
.mc-btn.ghost { background: transparent; }
.mc-btn:disabled { opacity: .35; cursor: not-allowed; box-shadow: none; }

/* capítulo */
.mc-lab { margin-top: 28px; }
.mc-exp, .mc-card {
  border-radius: 16px; border: 1px solid var(--line-2); background: rgba(7,11,9,.86);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); padding: 18px;
}
.mc-board { width: 100%; border-radius: 10px; background: rgba(4,6,5,.9); border: 1px solid var(--line); overflow: hidden; }
.mc-canvas { display: block; width: 100%; touch-action: manipulation; cursor: crosshair; }
.mc-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; }
.mc-row.btns { justify-content: flex-start; }
.mc-res { font-size: 13px; color: var(--dim); line-height: 1.5; }
.mc-res b { font-family: var(--sans); font-size: 15px; }
.mc-note { font-size: 12.5px; color: var(--dim); margin-top: 12px; line-height: 1.5; }
.mc-exp > .mc-note.mono { font-size: 11px; color: var(--faint); }

.mc-meter { display: grid; grid-template-columns: auto 1fr auto auto; gap: 12px; align-items: center; margin-top: 14px; font-size: 12px; color: var(--dim); }
.mc-meter .errbar { height: 8px; border-radius: 8px; background: var(--line); overflow: hidden; }
.mc-meter .errbar i { display: block; height: 100%; background: linear-gradient(90deg, #ff7a90, #f0b100); border-radius: 8px; transition: width .15s; }
.mc-meter b { color: #f1f7f3; font-weight: 500; min-width: 4ch; text-align: right; }

/* próxima palavra */
.mc-sent { font-size: clamp(17px, 2.4vw, 21px); line-height: 1.5; color: #f1f7f3; padding: 6px 2px 16px; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.mc-sent .mono { font-family: var(--sans); }
.mc-bars { display: grid; gap: 8px; }
.mc-bar {
  display: grid; grid-template-columns: minmax(96px, 30%) 1fr 46px; gap: 12px; align-items: center;
  padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: rgba(4,6,5,.6);
  color: var(--text); font: 400 15px/1.2 var(--sans); text-align: left; cursor: pointer; transition: border-color .15s, background .15s;
}
.mc-bar:hover, .mc-bar.hl { border-color: var(--sig); background: rgba(25,230,140,.08); }
.mc-bar .t { height: 8px; border-radius: 8px; background: var(--line); overflow: hidden; }
.mc-bar .t i { display: block; height: 100%; background: var(--sig); border-radius: 8px; transition: width .35s var(--ease); }
.mc-bar .p { font-size: 12px; color: var(--dim); text-align: right; }
.mc-done { font-size: 13px; color: var(--dim); padding: 10px 2px; }
.mc-temp { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--dim); width: 100%; }
.mc-temp input { flex: 1; accent-color: var(--sig); }
.mc-temp b { color: #f1f7f3; font-weight: 500; min-width: 3ch; }

/* mito ou verdade */
.mc-flip { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mc-fc { position: relative; min-height: 170px; border: 0; padding: 0; background: none; cursor: pointer; perspective: 900px; color: var(--text); text-align: left; font: inherit; }
.mc-fc .f {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: space-between; gap: 10px;
  padding: 18px; border-radius: 16px; border: 1px solid var(--line-2); background: rgba(7,11,9,.88);
  backface-visibility: hidden; -webkit-backface-visibility: hidden; transition: transform .6s var(--ease);
}
.mc-fc .front span { font-size: 17px; line-height: 1.4; color: #f1f7f3; }
.mc-fc .front em { font-style: normal; font-size: 11px; color: var(--faint); letter-spacing: .06em; text-transform: uppercase; }
.mc-fc .back { transform: rotateY(180deg); justify-content: flex-start; }
.mc-fc .back b { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; font-weight: 500; }
.mc-fc .back span { font-size: 15px; line-height: 1.5; }
.mc-fc .back.tr { border-color: var(--sig); background: rgba(9,32,22,.92); }
.mc-fc .back.tr b { color: var(--sig); }
.mc-fc .back.my { border-color: #ff7a90; background: rgba(40,12,18,.92); }
.mc-fc .back.my b { color: #ff7a90; }
.mc-fc.on .front { transform: rotateY(-180deg); }
.mc-fc.on .back { transform: rotateY(0); }
.mc-fc:focus-visible .f { outline: 2px solid var(--sig); outline-offset: 2px; }

/* separar tarefas */
.mc-sort { display: grid; gap: 10px; }
.mc-task { border-radius: 14px; border: 1px solid var(--line-2); background: rgba(7,11,9,.86); padding: 16px; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.mc-task .tt { font-size: 16.5px; color: #f1f7f3; line-height: 1.4; }
.mc-task .cats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.mc-task .cats button {
  font: 400 13px/1 var(--mono); padding: 10px 13px; border-radius: 999px; border: 1px solid var(--line-2);
  background: transparent; color: var(--text); cursor: pointer; transition: border-color .15s, background .15s, opacity .2s;
}
.mc-task .cats button:hover { border-color: var(--text); }
.mc-task .cats button.right { border-color: var(--sig); background: rgba(25,230,140,.14); color: var(--sig); }
.mc-task .cats button.wrong { border-color: #ff7a90; background: rgba(255,122,144,.12); color: #ff7a90; }
.mc-task .cats button.dim { opacity: .35; }
.mc-task .why { font-size: 14.5px; line-height: 1.5; color: var(--dim); margin-top: 10px; }
.mc-score { font-size: 13px; color: var(--sig); padding: 6px 2px; }

/* pergunta */
.mc-q:not(:empty) { margin-top: 18px; }
.mc-qt { font-size: 18px; color: #f1f7f3; line-height: 1.4; margin-bottom: 14px; }
.mc-opts { display: grid; gap: 8px; }
.mc-opt {
  text-align: left; font: 400 15.5px/1.35 var(--sans); color: var(--text); padding: 13px 15px; border-radius: 12px;
  border: 1px solid var(--line-2); background: rgba(4,6,5,.6); cursor: pointer; transition: border-color .15s, background .15s, opacity .2s;
}
.mc-opt:hover { border-color: var(--text); }
.mc-opt.right { border-color: var(--sig); background: rgba(25,230,140,.12); }
.mc-opt.wrong { border-color: #ff7a90; background: rgba(255,122,144,.1); }
.mc-opt.dim { opacity: .45; }
.mc-ex { font-size: 15px; line-height: 1.55; color: var(--text); margin-top: 14px; }

.mc-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.mc-need { font-size: 11.5px; color: var(--faint); text-align: center; flex: 1; }

/* final */
.mc-learned { list-style: none; margin: 26px 0 24px; display: grid; gap: 10px; }
.mc-learned li { display: grid; grid-template-columns: 34px 1fr; gap: 10px; font-size: 17px; line-height: 1.5; color: var(--text); padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: rgba(7,11,9,.82); }
.mc-learned span { color: var(--sig); font-size: 12px; padding-top: 4px; }
.mc-card.cta p { font-size: 17px; line-height: 1.55; color: var(--text); }
.mc-card.cta .mc-actions { margin-top: 18px; }

@media (max-width: 860px) {
  .mc-prog { margin-left: auto; }
  .mc-prog span { width: 16px; }
  .mc-wrap { padding-top: 88px; }
}
@media (max-width: 560px) {
  .mc-flip { grid-template-columns: 1fr; }
  .mc-fc { min-height: 150px; }
  .mc-text p, .mc-lede { font-size: 17px; }
  .mc-exp, .mc-card { padding: 14px; }
  .mc-nav .mc-btn { padding: 13px 14px; }
  .mc-need { display: none; }
  .mc-bar { grid-template-columns: minmax(84px, 36%) 1fr 40px; }
}
@media (prefers-reduced-motion: reduce) {
  .mc > *, .mc-fc .f { animation: none; transition: none; }
}