/* contexto — estilos da introdução (o jogo) e da aula da fase ai-05 (mundo AI Engineer). */

/* ---------- aula ---------- */
/* prefixo .cxa- · demos de js/games/contexto/aula.js (os balões e o bloco "rodar no LLM" vêm de css/ai.css) */

/* canvases só de leitura: o dedo que começa neles ainda rola a página (lesson.css carrega depois: daí o .ls-canvas) */
.ls-canvas.cxa-canvas { touch-action: pan-y; }
.ls-canvas.cxa-mochila { height: 138px; }
.ls-canvas.cxa-duas { height: 108px; }

/* quadradinho de cor das legendas (a cor vem do JS) */
.cxa-sw { display: inline-block; flex: none; width: 12px; height: 12px; border: 1px solid #000; }
.cxa-sw.res { background-image: repeating-linear-gradient(45deg, transparent 0 2px, rgba(0, 0, 0, 0.55) 2px 4px) !important; }
.cxa-sw.rep { background: repeating-linear-gradient(45deg, var(--bad) 0 2px, var(--surface-3) 2px 4px); }
.cxa-sw.out { background: transparent; border: 1px solid var(--line-3); }

.cxa-legend-row { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0; font-size: 12px; line-height: 1.4; color: var(--muted); }
.cxa-legend-row span { display: inline-flex; align-items: center; gap: 6px; }
.cxa-legend-row b { font-weight: 500; color: var(--coin); }

/* a pergunta em destaque */
.cxa-q { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin: 0; padding: 10px 12px; border: 2px solid var(--line-2); border-left: 4px solid var(--info); background: var(--bg); font-size: 14.5px; line-height: 1.45; color: var(--text); }

/* pedidos completos, abertos sob demanda */
.cxa-prompt { padding: 8px 10px; border: 2px dashed var(--line-2); background: var(--bg); }
.cxa-prompt summary { cursor: pointer; font-size: 13px; color: var(--muted); }
.cxa-prompt summary:hover { color: var(--text); }
.cxa-prompt[open] summary { margin-bottom: 8px; }
.cxa-prompt .ai-chat { max-height: 360px; overflow: auto; }
.cxa-prompt .ai-msg { max-width: 100%; font-size: 12.5px; }

/* 1 · a janela: uma linha por peça do pedido */
.cxa-legend { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 14px; }
@media (max-width: 720px) { .cxa-legend { grid-template-columns: 1fr; } }
.cxa-legend li { display: grid; grid-template-columns: 12px minmax(0, 1fr) auto; gap: 2px 8px; align-items: center; padding: 6px 8px; border: 2px solid var(--line); background: var(--bg); font-size: 13px; color: var(--text-2); }
.cxa-legend li b { font-weight: 500; color: var(--text); }
.cxa-legend li .mono { font-size: 12px; color: var(--text); font-variant-numeric: tabular-nums; }
.cxa-legend li small { grid-column: 2 / -1; font-size: 12px; line-height: 1.4; color: var(--muted); }

/* 2 · orçamento: os itens candidatos e o passo a passo do empacotar() */
.cxa-itens { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 6px; }
.cxa-item { display: grid; grid-template-columns: 12px minmax(0, 1fr); gap: 2px 8px; align-items: center; width: 100%; height: 100%; padding: 8px 10px; border: 2px solid var(--line-2); background: var(--bg); text-align: left; color: var(--text-2); cursor: pointer; transition: border-color 0.15s var(--ease), background 0.15s var(--ease); }
.cxa-item:hover { border-color: var(--line-3); }
.cxa-item:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.cxa-item[aria-pressed='true'] { border-color: var(--accent); background: var(--accent-soft); color: var(--text); box-shadow: 2px 2px 0 0 rgba(0, 0, 0, 0.45); }
.cxa-item.lock { cursor: default; border-style: dashed; }
.cxa-item-nome { font-size: 13.5px; line-height: 1.3; color: var(--text); }
.cxa-item-meta, .cxa-alg { grid-column: 2; font-size: 11.5px; color: var(--muted); }
.cxa-alg:empty { display: none; }
.cxa-item.alg-ok .cxa-alg { color: var(--good); }
.cxa-item.alg-no .cxa-alg { color: var(--bad); }
.cxa-item.alg-no { border-left: 4px solid var(--bad); }
.cxa-item.alg-ok { border-left: 4px solid var(--good); }

.cxa-passos { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 3px; }
.cxa-passos:empty { display: none; }
.cxa-passos li { display: grid; grid-template-columns: 22px minmax(0, 170px) minmax(0, 1fr) auto; gap: 2px 10px; align-items: baseline; padding: 5px 10px; border: 2px solid var(--line); border-left-width: 4px; background: var(--bg); font-size: 12.5px; line-height: 1.4; color: var(--text-2); }
.cxa-passos li.ok { border-left-color: var(--good); }
.cxa-passos li.no { border-left-color: var(--bad); }
.cxa-passos li .mono { font-size: 11px; color: var(--faint); }
.cxa-passos li b { font-weight: 500; color: var(--text); }
.cxa-passos li em { font-style: normal; font: 500 11.5px/1.4 var(--mono); }
.cxa-passos li.ok em { color: var(--good); }
.cxa-passos li.no em { color: var(--bad); }
.cxa-passos li.fim { display: block; border-left-color: var(--accent); color: var(--text); }
@media (max-width: 560px) {
  .cxa-passos li { grid-template-columns: 22px minmax(0, 1fr) auto; }
  .cxa-passos li > span:not(.mono) { grid-column: 2 / -1; grid-row: 2; }
}

/* 3 · memória: os fatos que cada versão da conversa ainda sabe */
.cxa-fatos { display: flex; flex-direction: column; gap: 6px; }
.cxa-fatos p { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 0; }
.cxa-fatos .sg-label { min-width: 64px; margin: 0; }
.cxa-fato { padding: 3px 8px; border: 2px solid var(--line); font: 400 12px/1.3 var(--mono); }
.cxa-fato.on { border-color: rgba(100, 217, 139, 0.55); background: var(--good-soft); color: var(--good); }
.cxa-fato.off { border-style: dashed; color: var(--faint); text-decoration: line-through; }

/* 4 · a posição: os trechos na ordem em que entram no contexto */
.cxa-trechos { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.cxa-trechos li { will-change: transform; }
.cxa-trecho { display: grid; grid-template-columns: 22px 30px minmax(0, 1fr) 40px; gap: 4px 10px; align-items: baseline; width: 100%; padding: 7px 10px; border: 2px solid var(--line-2); background: var(--bg); text-align: left; font-size: 13px; line-height: 1.45; color: var(--text-2); cursor: pointer; }
.cxa-trecho:hover { border-color: var(--line-3); }
.cxa-trecho:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.cxa-trecho[aria-pressed='true'] { border-color: var(--text); background: var(--surface-2); box-shadow: 2px 2px 0 0 rgba(0, 0, 0, 0.45); }
.cxa-trechos li:first-child .cxa-trecho, .cxa-trechos li:last-child .cxa-trecho { border-left: 4px solid var(--accent-line); } /* as bordas do contexto */
.cxa-pos { font-size: 11.5px; color: var(--faint); }
.cxa-rank { font-size: 12px; font-weight: 500; color: var(--muted); }
.cxa-trecho.top .cxa-rank { color: var(--coin); }
.cxa-trecho.top .cxa-tx { color: var(--text); }
.cxa-sc { text-align: right; font-size: 11.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
@media (max-width: 520px) {
  .cxa-trecho { grid-template-columns: 18px 26px minmax(0, 1fr); }
  .cxa-sc { display: none; }
}

/* 5 · enxuto × inchado: as duas limpezas e as duas respostas */
.cxa-toggles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
@media (max-width: 620px) { .cxa-toggles { grid-template-columns: 1fr; } }
.cxa-toggle { display: flex; flex-direction: column; gap: 3px; padding: 9px 12px; border: 2px solid var(--line-2); background: var(--bg); text-align: left; cursor: pointer; }
.cxa-toggle b { display: flex; align-items: center; gap: 8px; font: 500 13.5px/1.3 var(--pixel-ui); color: var(--text); }
.cxa-toggle b::before { content: ''; flex: none; width: 8px; height: 8px; border: 2px solid var(--muted); background: var(--bg); }
.cxa-toggle small { font-size: 12px; line-height: 1.4; color: var(--muted); }
.cxa-toggle:hover { border-color: var(--line-3); }
.cxa-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.cxa-toggle[aria-pressed='true'] { border-color: var(--good); background: var(--good-soft); box-shadow: 2px 2px 0 0 rgba(0, 0, 0, 0.45); }
.cxa-toggle[aria-pressed='true'] b::before { border-color: #000; background: var(--good); box-shadow: inset 0 0 0 1px var(--bg); }

.cxa-duo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; align-items: start; }
@media (max-width: 720px) { .cxa-duo { grid-template-columns: 1fr; } }
.cxa-col { display: flex; flex-direction: column; gap: 8px; min-width: 0; padding: 10px; border: 2px dashed var(--line-2); background: var(--bg); }
.cxa-col .sg-label { margin: 0; }
.cxa-col .ai-msg { max-width: 100%; font-size: 13px; }
.cxa-tk { margin: 0; font-size: 11.5px; color: var(--muted); }
.cxa-tk b { font-weight: 500; color: var(--text); }

/* ---------- introdução (o jogo) ---------- */
/* prefixo .cx- · js/games/contexto/game.js (a estrutura sg-* vem de css/games.css; os balões, de css/ai.css) */

.cx { --cx-hard: 3px 3px 0 0 rgba(0, 0, 0, 0.5); }

/* canvas: a mochila só se olha (o dedo rola a página); a curva em U se arrasta (fase 3) */
.cx .sg-canvas { height: 320px; border-radius: 0; background: #141320; box-shadow: var(--cx-hard); touch-action: pan-y; }
.cx .sg-canvas.cx-drag { touch-action: none; cursor: grab; }
.cx .sg-canvas.cx-drag:active { cursor: grabbing; }

/* legenda sob o canvas: chips de HUD, e o texto do trecho em foco na fase 3 */
.cx .sg-caption { justify-content: flex-start; gap: 6px; font: 400 11px/1.3 var(--pixel-ui); color: var(--muted); }
.cx .sg-caption > span { display: inline-flex; align-items: center; gap: 6px; padding: 4px 8px; border: 2px solid var(--line-2); background: var(--bg-2); }
.cx .sg-caption > .cx-tx { display: block; flex: 1 1 100%; font: 400 13px/1.45 var(--sans); color: var(--text-2); }
.cx .sg-caption .cx-tx b { font-weight: 500; color: var(--coin); }
.cx-sw { display: inline-block; flex: none; width: 10px; height: 10px; border: 1px solid #000; background: var(--c, var(--muted)); }

.cx-board { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.cx-board:empty { display: none; }
.cx kbd { flex: none; }

/* fases 1 e 2: os cartões dos blocos */
.cx-cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 6px; }
.cx-card { display: flex; flex-direction: column; gap: 3px; width: 100%; height: 100%; padding: 8px 10px; border: 2px solid var(--line-2); background: var(--bg); text-align: left; color: var(--text-2); cursor: pointer; transition: border-color 0.15s var(--ease), background 0.15s var(--ease); }
.cx-card:hover:not(:disabled) { border-color: var(--line-3); }
.cx-card[aria-pressed='true'] { border-color: var(--accent); background: var(--accent-soft); color: var(--text); box-shadow: 2px 2px 0 0 rgba(0, 0, 0, 0.45); }
.cx-card:disabled { cursor: default; }
.cx-card:disabled:not([aria-pressed='true']) { opacity: 0.55; }
.cx-card-top { display: flex; align-items: center; gap: 8px; }
.cx-card-top b { flex: 1; min-width: 0; font-size: 13.5px; line-height: 1.3; font-weight: 500; color: var(--text); }
.cx-card-meta { font-size: 11.5px; line-height: 1.4; color: var(--muted); }
.cx-card-meta b { font-weight: 500; color: var(--text); }
.cx-card-meta .cx-ob { color: var(--coin); }
.cx-card small { font-size: 12px; line-height: 1.4; color: var(--muted); }
.cx-pts { display: flex; flex-wrap: wrap; gap: 2px; min-height: 8px; }
.cx-pts i { display: block; width: 8px; height: 8px; border: 1px solid #000; background: var(--coin); }
.cx-dica { font-size: 11px; color: var(--info); }

.cx-card:focus-visible, .cx-pos:focus-visible, .cx-seg button:focus-visible, .cx-tr:focus-visible, .cx-chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* coluna da direita: a pergunta, os números e o botão de enviar */
.cx-ask:empty { display: none; }
.cx-q { display: flex; flex-direction: column; gap: 4px; margin: 0; padding: 10px 12px; border: 2px solid var(--line-2); border-left: 4px solid var(--info); background: var(--bg); font-size: 14px; line-height: 1.45; color: var(--text); }
.cx-q .sg-label { margin: 0; }
.cx-panel { display: flex; flex-direction: column; gap: 10px; }
.cx-panel:empty { display: none; }
.cx .sg-stats div { border-radius: 0; border-width: 2px; border-color: var(--line-2); background: var(--bg-2); box-shadow: var(--cx-hard); }
.cx .sg-stats dd { font-size: 15px; }
.cx-keys { margin: 0; font-size: 11px; line-height: 1.4; color: var(--muted); }
.cx-msg { display: flex; flex-direction: column; gap: 8px; }
.cx-msg:empty { display: none; }
.cx-chat .ai-msg { max-width: 100%; font-size: 13px; }

/* fase 3: os trechos na ordem em que entram no contexto */
.cx-ordem { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.cx-pos { display: grid; grid-template-columns: 18px 30px minmax(0, 1fr) auto; gap: 2px 10px; align-items: baseline; width: 100%; padding: 6px 10px; border: 2px solid var(--line-2); background: var(--bg); text-align: left; font-size: 13px; line-height: 1.45; color: var(--text-2); cursor: pointer; }
.cx-pos:hover:not(:disabled) { border-color: var(--line-3); }
.cx-pos[aria-pressed='true'] { border-color: var(--coin); background: var(--surface-2); box-shadow: 2px 2px 0 0 rgba(0, 0, 0, 0.45); }
.cx-pos:disabled { cursor: default; }
.cx-ordem li:first-child .cx-pos, .cx-ordem li:last-child .cx-pos { border-left: 4px solid var(--accent-line); } /* as bordas do contexto */
.cx-pos-n { font-size: 11px; color: var(--faint); }
.cx-rank { font-size: 12px; font-weight: 500; color: var(--muted); }
.cx-pos.top .cx-rank { color: var(--coin); }
.cx-pos.top .cx-tx { color: var(--text); }
.cx-sc { font-size: 11px; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
@media (max-width: 520px) {
  .cx-pos { grid-template-columns: 16px 26px minmax(0, 1fr); }
  .cx-sc { grid-column: 3; }
}

/* fase 4: a conversa, turno a turno (inteiro · resumo · fora) */
.cx-conv { display: flex; flex-direction: column; gap: 6px; }
.cx-turn { display: flex; flex-direction: column; gap: 6px; padding: 8px 10px; border: 2px solid var(--line-2); background: var(--bg); }
.cx-turn.fixo { border-style: dashed; }
.cx-turn[data-modo='resumo'] { border-color: var(--coin); }
.cx-turn[data-modo='resumo'] .cx-turn-msgs { opacity: 0.45; }
.cx-turn[data-modo='inteiro'] .cx-res { opacity: 0.55; }
.cx-turn[data-modo='fora'] .cx-turn-msgs, .cx-turn[data-modo='fora'] .cx-res { opacity: 0.4; text-decoration: line-through; }
.cx-turn-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 10px; }
.cx-turn-head b { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 500; color: var(--text); }
.cx-turn-head .mono { font-size: 11.5px; color: var(--muted); }
.cx-turn-msgs { display: flex; flex-direction: column; gap: 4px; }
.cx-m { margin: 0; padding-left: 8px; border-left: 3px solid var(--line-2); font-size: 12.5px; line-height: 1.45; color: var(--text-2); }
.cx-m b { margin-right: 4px; font: 600 9.5px/1 var(--pixel-ui); letter-spacing: 0.05em; text-transform: uppercase; }
.cx-m.user { border-left-color: #5b9bff; }
.cx-m.user b { color: #5b9bff; }
.cx-m.assistant { border-left-color: #c8f53c; }
.cx-m.assistant b { color: #c8f53c; }
.cx-m.system { border-left-color: #c8bfa9; }
.cx-m.system b { color: #c8bfa9; }
.cx-res { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 8px; margin: 0; font-size: 12.5px; line-height: 1.45; color: var(--text); }
.cx-res .sg-label { margin: 0; color: var(--coin); }
.cx-res .mono { font-size: 11px; color: var(--muted); }
.cx-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 6px; margin: 0; font-size: 11.5px; color: var(--muted); }
.cx-tag { padding: 1px 6px; border: 1px solid rgba(100, 217, 139, 0.55); background: var(--good-soft); color: var(--good); font: 400 11px/1.4 var(--mono); }
.cx-tag.none { border-style: dashed; border-color: var(--line-2); background: transparent; color: var(--faint); }
.cx-seg { display: inline-flex; align-self: flex-start; max-width: 100%; border: 2px solid var(--line-2); box-shadow: 2px 2px 0 0 rgba(0, 0, 0, 0.45); }
.cx-seg button { min-width: 70px; height: 32px; padding: 0 10px; border-right: 2px solid var(--line-2); background: var(--bg-2); color: var(--text-2); font: 400 11px/1 var(--pixel-ui); text-transform: uppercase; letter-spacing: 0.04em; cursor: pointer; }
.cx-seg button:last-child { border-right: 0; }
.cx-seg button:hover:not(:disabled) { color: var(--text); }
.cx-seg button[aria-pressed='true'] { background: var(--accent); color: var(--accent-ink); }
.cx-seg button[data-modo='resumo'][aria-pressed='true'] { background: var(--coin); color: #12100a; }
.cx-seg button[data-modo='fora'][aria-pressed='true'] { background: var(--surface-3); color: var(--text); }
.cx-seg button:disabled { cursor: default; }
.cx-fatos { display: flex; flex-direction: column; gap: 6px; }
.cx-fatos .sg-label { margin: 0; }
.cx-fatos p { display: flex; flex-wrap: wrap; gap: 4px; margin: 0; }
.cx-fato { padding: 3px 8px; border: 2px solid var(--line-2); font: 400 11.5px/1.3 var(--mono); color: var(--text-2); }
.cx-fato.on { border-color: rgba(100, 217, 139, 0.55); background: var(--good-soft); color: var(--good); }
.cx-fato.off { border-style: dashed; color: var(--bad); text-decoration: line-through; }

/* fase 5: trechos do manual e o rastreio cru da ferramenta */
.cx-diet { display: flex; flex-direction: column; gap: 8px; }
.cx-diet > .sg-label { margin: 4px 0 0; }
.cx-trs { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 6px; }
.cx-tr { display: flex; flex-direction: column; gap: 4px; width: 100%; height: 100%; padding: 8px 10px; border: 2px solid var(--line-2); background: var(--bg); text-align: left; color: var(--text-2); cursor: pointer; }
.cx-tr[aria-pressed='true'] { border-color: var(--info); background: var(--info-soft); color: var(--text); }
.cx-tr[aria-pressed='false'] { border-style: dashed; opacity: 0.6; }
.cx-tr[aria-pressed='false'] .cx-tr-tx { text-decoration: line-through; }
.cx-tr:disabled, .cx-chip:disabled { cursor: default; }
.cx-tr-top { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; font-size: 12px; }
.cx-tr-top b { font-weight: 500; color: var(--text); }
.cx-tr-top .mono { font-size: 11px; color: var(--muted); }
.cx-tr-top em { font: 400 11px/1.3 var(--mono); font-style: normal; color: var(--bad); }
.cx-tr-tx { font-size: 12.5px; line-height: 1.45; }
.cx .sg-slider { grid-template-columns: auto minmax(0, 1fr) 40px; }
.cx-chips { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; }
.cx-chips-l { margin-right: 4px; font: 400 10.5px/1 var(--pixel-ui); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.cx-chip { height: 28px; padding: 0 9px; border: 2px solid var(--line-2); background: var(--bg); color: var(--faint); font: 400 12px/1 var(--mono); text-decoration: line-through; cursor: pointer; }
.cx-chip[aria-pressed='true'] { border-color: var(--orange); background: rgba(255, 140, 46, 0.12); color: var(--text); text-decoration: none; }
.cx-chip span { color: var(--coin); }
.cx-json { min-width: 0; max-width: 100%; padding: 6px 10px; border: 2px dashed var(--line-2); background: var(--bg); }
.cx-json summary { cursor: pointer; font-size: 12.5px; color: var(--muted); }
.cx-json summary:hover { color: var(--text); }
.cx-pre { max-width: 100%; max-height: 260px; margin: 8px 0 0; overflow: auto; font: 400 11.5px/1.45 var(--mono); color: var(--text-2); white-space: pre; }

/* teclas só fazem sentido com teclado */
@media (hover: none) {
  .cx kbd, .cx-keys { display: none; }
}

/* celular: uma pilha só; o que se mexe fica logo abaixo do gráfico */
@media (max-width: 920px) {
  .cx .sg-body { display: flex; flex-direction: column; gap: 12px; }
  .cx .sg-main, .cx .sg-ctrl { display: contents; }
  .cx .sg-head { order: 0; }
  .cx .sg-goal { order: 1; }
  .cx-ask { order: 2; }
  .cx .sg-canvas { order: 3; }
  .cx .sg-caption { order: 4; }
  .cx-board { order: 5; }
  .cx-panel { order: 6; }
  .cx-msg { order: 7; }
  .cx .sg-actions { order: 8; }
}

@media (max-width: 640px) {
  .cx .sg-canvas { height: 240px; }
  .cx .sg-caption { gap: 4px; font-size: 10px; }
  .cx .sg-caption > span { padding: 3px 6px; }
  .cx .sg-stats { gap: 6px; }
  .cx .sg-stats div { padding: 8px; }
  .cx .sg-stats dd { font-size: 14px; }
  .cx-seg button { min-width: 0; flex: 1; }
  .cx-seg { align-self: stretch; }
}