.arena-wrap{max-width:1440px}.arena-hero,.arena-selector,.arena-case,.arena-result,.arena-dashboard{border:1px solid var(--eco-line);border-radius:12px;background:linear-gradient(145deg,#141a22,#0d1116)}.arena-hero{padding:clamp(26px,5vw,58px);text-align:center;position:relative;overflow:hidden}.arena-hero:before{content:'';position:absolute;width:520px;height:520px;left:50%;top:-390px;transform:translateX(-50%);border:2px solid rgba(232,179,60,.36);border-radius:50%;box-shadow:0 0 0 28px rgba(63,185,80,.04),0 0 70px rgba(63,185,80,.14)}.arena-hero>*{position:relative}.arena-kicker,.arena-label{margin:0;color:var(--eco-amber);font-size:11px;font-weight:700;letter-spacing:.13em}.arena-hero h1{font-size:clamp(2.2rem,6vw,4.6rem);line-height:1;margin:12px 0;color:var(--eco-fg)}.arena-hero h1 span{color:var(--eco-green-hi)}.arena-hero>p:not(.arena-kicker){max-width:700px;margin:0 auto;color:var(--eco-dim);font-family:var(--eco-font-body);font-size:15px}.arena-steps{margin-top:28px;display:flex;justify-content:center;gap:18px;flex-wrap:wrap;color:var(--eco-green-hi);font-size:12px}.arena-dashboard{margin-top:16px;padding:14px;display:grid;grid-template-columns:2fr repeat(3,1fr) auto;gap:12px;align-items:center}.arena-profile{display:flex;align-items:center;gap:12px}.arena-avatar{width:46px;height:46px;border-radius:9px;display:grid;place-items:center;border:1px solid var(--eco-amber);color:var(--eco-amber);font-weight:700}.arena-profile b,.arena-profile small{display:block}.arena-profile small,.arena-stat span{color:var(--eco-dim);font-size:11px}.arena-stat{border-left:1px solid var(--eco-line);padding-left:14px}.arena-stat span,.arena-stat b{display:block}.arena-stat b{font-size:20px;color:var(--eco-green-hi)}.arena-selector{margin-top:16px;padding:22px;display:grid;grid-template-columns:1fr minmax(160px,220px) minmax(130px,180px) auto;gap:16px;align-items:end}.arena-selector h2{margin:2px 0 0;font-size:20px}.arena-selector label{display:grid;gap:6px;font-size:11px;color:var(--eco-dim);letter-spacing:.08em;text-transform:uppercase}.arena-selector select{background:#090b0e;border:1px solid var(--eco-line);border-radius:6px;color:var(--eco-fg);padding:10px;font-family:var(--eco-mono)}.arena-case{margin-top:16px;overflow:hidden}.case-header{padding:20px 24px;border-bottom:1px solid var(--eco-line);display:flex;justify-content:space-between;gap:20px}.case-header h2{font-size:clamp(18px,2.5vw,27px);margin:5px 0}.case-header p:not(.arena-kicker){margin:0;color:var(--eco-dim);font-size:12px}.case-clock{text-align:right;border-left:1px solid var(--eco-line);padding-left:20px;min-width:100px}.case-clock b{display:block;color:var(--eco-amber);font-size:28px}.case-clock span{font-size:10px;color:var(--eco-dim)}.case-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(390px,.95fr);min-height:570px}.case-story{padding:22px;border-right:1px solid var(--eco-line);display:flex;flex-direction:column;gap:16px}.message{border-radius:8px;padding:14px 16px;font-family:var(--eco-font-body);font-size:14px;line-height:1.65}.message.system{border-left:3px solid var(--eco-amber);background:rgba(210,153,34,.06);color:var(--eco-fg)}.message.person{max-width:88%;border:1px solid #35516a;background:#192735}.message.person b{font-family:var(--eco-mono);font-size:12px;color:var(--eco-green-hi)}.message.person p{margin:5px 0 0}.case-story h3{font-size:13px;color:var(--eco-dim);margin:10px 0}.action-list{display:grid;gap:8px}.arena-action{font-family:var(--eco-mono);display:grid;grid-template-columns:1fr auto;gap:12px;text-align:left;padding:12px 14px;background:#151d26;color:var(--eco-fg);border:1px solid var(--eco-line);border-radius:7px;cursor:pointer}.arena-action:hover:not(:disabled){border-color:var(--eco-amber);background:#1a2632}.arena-action:disabled{opacity:.46;cursor:not-allowed}.arena-action .kind{font-size:10px;color:var(--eco-dim);text-transform:uppercase}.arena-action .cost{color:var(--eco-amber);font-size:11px;white-space:nowrap}.case-console{background:#090d12;display:flex;flex-direction:column}.console-title{padding:13px 16px;border-bottom:1px solid var(--eco-line);display:flex;align-items:center;gap:12px;color:var(--eco-dim);font-size:11px}.console-title span{color:var(--eco-red);letter-spacing:3px}.console-title b{color:var(--eco-green-hi);font-weight:600}.console-title button{margin-left:auto;background:transparent;color:var(--eco-amber);font:inherit;border:1px solid rgba(210,153,34,.45);border-radius:5px;padding:4px 7px;cursor:pointer}.console-output{flex:1;min-height:260px;padding:18px;white-space:pre-wrap;color:var(--eco-green-hi);font-size:12px;line-height:1.6;overflow:auto}.console-output .muted{color:var(--eco-dim)}.evidence-list{padding:12px;border-top:1px solid var(--eco-line);display:flex;flex-wrap:wrap;gap:8px}.evidence-list button{font:inherit;font-size:11px;color:var(--eco-fg);background:#121a23;border:1px solid var(--eco-line);border-radius:5px;padding:8px;cursor:pointer}.evidence-list button:hover:not(:disabled){border-color:var(--eco-blue)}.evidence-list button:disabled{opacity:.45}.arena-result{margin-top:16px;padding:clamp(24px,5vw,56px);text-align:center}.arena-result h2{font-size:clamp(25px,4vw,40px);margin:8px 0}.arena-result>p:not(.arena-kicker){max-width:760px;margin:0 auto 20px;color:var(--eco-dim);font-family:var(--eco-font-body)}.lesson{max-width:720px;margin:0 auto 24px;text-align:left;padding:16px;border:1px solid rgba(63,185,80,.4);background:rgba(63,185,80,.06);border-radius:8px}.lesson b{color:var(--eco-green-hi)}.lesson p{margin:6px 0 0;color:var(--eco-fg);font-family:var(--eco-font-body)}.arena-result .ebtn{padding:10px 18px}@media(max-width:900px){.arena-dashboard{grid-template-columns:1fr 1fr}.arena-profile{grid-column:span 2}.arena-selector{grid-template-columns:1fr 1fr}.arena-selector>div{grid-column:span 2}.case-grid{grid-template-columns:1fr}.case-story{border-right:0;border-bottom:1px solid var(--eco-line)}.case-console{min-height:400px}}@media(max-width:560px){.arena-dashboard,.arena-selector{grid-template-columns:1fr}.arena-profile,.arena-selector>div{grid-column:auto}.case-header{padding:16px;display:block}.case-clock{border:0;padding:12px 0 0;text-align:left}.case-story{padding:14px}.message.person{max-width:100%}.console-title{gap:7px}.console-title button{font-size:9px}}

/* ═══════════════════════════════════════════════════════════════════════
   DBA BRABO ARENA — layout do seletor, cronômetro e movimento
   ═══════════════════════════════════════════════════════════════════════ */

/* ── 1. SELETOR ─────────────────────────────────────────────────────────
   O grid antigo tinha 4 colunas fixas para 4 filhos. Ao entrar o botão da
   IA e a linha de status, os dois caíram dentro do grid e espremeram os
   selects — era o texto cortado ("10 desafio") com a seta solta ao lado.
   Aqui o título ocupa a linha e os controles viram uma faixa que quebra
   sozinha, sem contagem de colunas para manter em dia. */
.arena-selector {
  grid-template-columns: 1fr !important;
  gap: 18px !important;
  align-items: stretch !important;
}
.arena-controles {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
}
.arena-controles label {
  flex: 1 1 210px;
  min-width: 0;                 /* sem isto o select estica e vaza a caixa */
}
.arena-selector select {
  width: 100%;
  min-width: 0;
  padding: 11px 34px 11px 12px !important;
  text-overflow: ellipsis;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--eco-dim) 50%),
                    linear-gradient(135deg, var(--eco-dim) 50%, transparent 50%);
  background-position: calc(100% - 17px) calc(50% + 1px), calc(100% - 12px) calc(50% + 1px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.arena-selector select:hover { border-color: var(--eco-amber); }
.arena-selector select:focus-visible {
  outline: none; border-color: var(--eco-green-hi);
  box-shadow: 0 0 0 3px rgba(63,185,80,.16);
}
.arena-controles .ebtn { flex: 0 0 auto; white-space: nowrap; }
.arena-ia-status {
  flex: 1 0 100%; margin: 0;
  font-family: var(--eco-mono); font-size: 11px; color: var(--eco-amber);
}
.arena-ia-status:not([hidden])::before {
  content: '';
  display: inline-block; width: 7px; height: 7px; margin-right: 7px;
  border-radius: 50%; background: var(--eco-amber);
  animation: arenaPisca 1s ease-in-out infinite;
}

/* ── 2. CRONÔMETRO ──────────────────────────────────────────────────────
   O chamado tem orçamento de tempo. O anel drena, e o número é o que
   sobra — não o que passou: pressão vem de ver o que resta. */
.case-clock { min-width: 128px !important; }
.arena-timer {
  --p: 100;                                   /* percentual restante */
  position: relative; width: 84px; height: 84px; margin-left: auto;
  border-radius: 50%;
  background:
    conic-gradient(var(--timer-cor, var(--eco-green-hi)) calc(var(--p) * 1%), rgba(255,255,255,.07) 0);
  display: grid; place-items: center;
  transition: background .9s linear;
}
.arena-timer::after {
  content: ''; position: absolute; inset: 6px;
  border-radius: 50%; background: #0d1116;
}
.arena-timer b {
  position: relative; z-index: 1;
  font-size: 19px !important; line-height: 1;
  color: var(--timer-cor, var(--eco-green-hi)) !important;
  font-variant-numeric: tabular-nums;
}
.arena-timer--atencao { --timer-cor: var(--eco-amber); }
.arena-timer--critico { --timer-cor: var(--eco-red); animation: arenaPulsa 1s ease-in-out infinite; }
.case-clock small {
  display: block; margin-top: 8px; text-align: right;
  font-size: 10px; color: var(--eco-dim); font-family: var(--eco-mono);
}

/* ── 3. TEMPO ESGOTADO ──────────────────────────────────────────────────
   Não é derrota: é o que acontece de verdade quando o DBA se perde no
   chamado. A análise recomeça do zero, com o mesmo incidente. */
.arena-estouro {
  position: absolute; inset: 0; z-index: 5;
  display: grid; place-items: center; text-align: center;
  padding: 24px;
  background: rgba(9,13,18,.93);
  backdrop-filter: blur(3px);
  animation: arenaEntra .3s ease both;
}
.arena-case { position: relative; }
.arena-estouro__caixa {
  max-width: 480px;
  border: 1px solid var(--eco-red); border-radius: 12px;
  background: linear-gradient(145deg, #1a1114, #0d1116);
  padding: 30px 28px;
  box-shadow: 0 24px 60px rgba(0,0,0,.6);
}
.arena-estouro h3 {
  margin: 0 0 10px; font-size: 24px; color: var(--eco-red);
}
.arena-estouro p {
  margin: 0 0 20px; color: var(--eco-dim);
  font-family: var(--eco-font-body); font-size: 14px; line-height: 1.6;
}
.arena-estouro__botoes { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ── 4. MOVIMENTO ───────────────────────────────────────────────────────
   Animação aqui tem função: dizer que chegou coisa nova no console, que
   uma ação foi destravada, que o tempo está acabando. Nada decorativo. */
@keyframes arenaEntra   { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes arenaPisca   { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }
@keyframes arenaPulsa   { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.06); } }
@keyframes arenaVarre   { from { background-position: -420px 0; } to { background-position: 420px 0; } }

.arena-case:not([hidden]),
.arena-result:not([hidden]) { animation: arenaEntra .35s ease both; }

/* bloco novo no console entra deslizando e com uma varredura de luz */
.console-block { animation: arenaEntra .28s ease both; margin-bottom: 14px; }
.console-block b {
  display: block; margin-bottom: 5px;
  color: var(--eco-amber); font-size: 11px; letter-spacing: .06em;
}
.console-block pre {
  margin: 0; white-space: pre; overflow-x: auto; padding-bottom: 2px;
  font-family: var(--eco-mono); font-size: 12px; line-height: 1.6;
  font-variant-ligatures: none; tab-size: 8;
  color: var(--eco-green-hi);
}
.console-block:last-child pre {
  background: linear-gradient(90deg, transparent, rgba(63,185,80,.09), transparent) no-repeat;
  background-size: 420px 100%;
  animation: arenaVarre .85s ease-out 1;
}

/* ação recém-liberada chama atenção uma vez */
.arena-action { transition: transform .14s ease, border-color .18s ease, background .18s ease; }
.arena-action:hover:not(:disabled) { transform: translateX(3px); }
.arena-action--nova { animation: arenaEntra .3s ease both; border-color: rgba(63,185,80,.5); }

/* o ponto vermelho do console vira sinal de sessão viva */
.console-title span { animation: arenaPisca 2.4s ease-in-out infinite; }

/* selo de origem do desafio gerado por IA */
.arena-selo-ia {
  display: inline-block; vertical-align: middle;
  margin-left: 10px; padding: 3px 9px;
  border: 1px solid rgba(88,166,255,.5); border-radius: 999px;
  background: rgba(88,166,255,.1);
  color: var(--eco-blue); font-family: var(--eco-mono);
  font-size: 10px; font-weight: 600; letter-spacing: .05em;
  white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  .arena-case, .arena-result, .console-block, .arena-action--nova,
  .arena-estouro, .console-title span, .arena-ia-status::before,
  .arena-timer--critico, .console-block:last-child pre { animation: none !important; }
  .arena-action:hover:not(:disabled) { transform: none; }
}

@media (max-width: 560px) {
  .arena-controles label { flex: 1 1 100%; }
  .arena-timer { margin-left: 0; }
  .case-clock small { text-align: left; }
}

/* ═══ TÍTULO DO TOPO: prompt de terminal, com cursor piscando ══════════ */
.arena-prompt { display: inline-flex; align-items: baseline; gap: 6px; font-family: var(--eco-mono); }
.arena-prompt b { color: var(--eco-green-hi); font-weight: 600; }
.arena-prompt i { color: var(--eco-amber); font-style: normal; }
.arena-prompt em { color: var(--eco-dim); font-style: normal; }
.arena-cursor {
  display: inline-block; width: 8px; height: 14px; margin-left: 2px;
  background: var(--eco-green-hi); vertical-align: middle;
  animation: arenaCursor 1.05s steps(1) infinite;
}
@keyframes arenaCursor { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }

/* ═══ BOTÕES: o hover que ele pediu ═══════════════════════════════════
   Luz que varre da esquerda para a direita, borda que acende e o botão
   que sobe 1px. Rápido o bastante para não atrasar o clique. */
.ebtn, .arena-action {
  position: relative; overflow: hidden;
  transition: transform .16s cubic-bezier(.2,.8,.3,1),
              border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.ebtn::before, .arena-action::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 35%,
              color-mix(in srgb, var(--eco-green-hi) 22%, transparent) 50%, transparent 65%);
  transform: translateX(-120%);
  transition: transform .5s cubic-bezier(.2,.8,.3,1);
  pointer-events: none;
}
.ebtn:hover:not(:disabled)::before,
.arena-action:hover:not(:disabled)::before { transform: translateX(120%); }
.ebtn:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--eco-green-hi);
  box-shadow: 0 6px 18px -8px color-mix(in srgb, var(--eco-green-hi) 55%, transparent);
}
.ebtn:active:not(:disabled), .arena-action:active:not(:disabled) { transform: translateY(0) scale(.99); }
.ebtn--primary:hover:not(:disabled) {
  box-shadow: 0 8px 22px -8px color-mix(in srgb, var(--eco-green-hi) 75%, transparent);
}
.arena-action:hover:not(:disabled) {
  transform: translateX(4px);
  box-shadow: -3px 0 0 0 var(--eco-amber);
}
/* o tipo da ação ganha cor no hover: investigação, decisão, comunicação */
.arena-action:hover:not(:disabled) .kind { color: var(--eco-amber); }

/* cartão do crachá e as estatísticas reagem ao mouse */
.arena-stat { transition: color .2s ease; }
.arena-dashboard:hover .arena-avatar {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--eco-amber) 18%, transparent);
}
.arena-avatar { transition: box-shadow .25s ease; }

/* ═══ GABARITO (3ª tentativa) ═════════════════════════════════════════ */
.arena-gabarito {
  max-width: 760px; margin: 0 auto 26px; text-align: left;
  border: 1px solid rgba(88,166,255,.42); border-radius: 12px;
  background: linear-gradient(145deg, rgba(88,166,255,.07), rgba(13,17,22,.6));
  padding: 22px 24px;
  animation: arenaEntra .4s ease both;
}
.arena-gabarito h3 { margin: 6px 0 10px; font-size: 21px; color: var(--eco-fg); }
.gab__intro, .gab__fim { color: var(--eco-dim); font-family: var(--eco-font-body); font-size: 14px; }
.gab__passos { margin: 16px 0; padding-left: 20px; display: grid; gap: 9px; }
.gab__passos li { color: var(--eco-fg); font-family: var(--eco-mono); font-size: 13px; }
.gab__tipo {
  margin-left: 8px; padding: 1px 7px; border-radius: 999px;
  background: rgba(255,255,255,.06); color: var(--eco-dim);
  font-size: 10px; text-transform: uppercase; letter-spacing: .05em;
}
.gab__armadilha, .gab__porque {
  margin: 16px 0; padding: 13px 15px; border-radius: 8px;
  font-family: var(--eco-font-body); font-size: 13.5px; line-height: 1.6;
}
.gab__armadilha { border-left: 3px solid var(--eco-red); background: rgba(248,81,73,.07); }
.gab__porque    { border-left: 3px solid var(--eco-green-hi); background: rgba(63,185,80,.07); }
.gab__armadilha b, .gab__porque b { display: block; margin-bottom: 6px; color: var(--eco-fg); }
.gab__armadilha ul { margin: 0; padding-left: 18px; color: var(--eco-dim); }
.gab__armadilha li { margin-bottom: 6px; }
.gab__porque p { margin: 0; color: var(--eco-dim); }

@media (prefers-reduced-motion: reduce) {
  .arena-cursor, .arena-gabarito { animation: none !important; }
  .ebtn::before, .arena-action::before { display: none; }
  .ebtn:hover:not(:disabled), .arena-action:hover:not(:disabled) { transform: none; }
}

/* ═══ CHAMADO GERADO POR IA QUE NÃO PASSOU NO CRIVO ═══════════════════
   Aparece mesmo reprovado, para dar para testar e ver o que a IA produz.
   Mas nunca disfarçado de conferido: o aviso vem antes do chamado, com a
   lista do que falhou. Transparência é melhor que tela em branco — e é
   melhor ainda que passar invenção por verdade. */
.arena-ia-aviso {
  margin: 0; padding: 14px 18px;
  border-bottom: 1px solid var(--eco-amber);
  background: rgba(210,153,34,.09);
  font-family: var(--eco-font-body); font-size: 13px;
  animation: arenaEntra .3s ease both;
}
.arena-ia-aviso b { color: var(--eco-amber); font-family: var(--eco-mono); font-size: 12px; }
.arena-ia-aviso p { margin: 6px 0; color: var(--eco-fg); }
.arena-ia-aviso ul { margin: 6px 0; padding-left: 20px; color: var(--eco-dim); }
.arena-ia-aviso li { margin-bottom: 3px; font-family: var(--eco-mono); font-size: 11.5px; }
.arena-ia-aviso small { color: var(--eco-dim); font-style: italic; }
.arena-selo-ia--reprovado {
  border-color: rgba(210,153,34,.6) !important;
  background: rgba(210,153,34,.12) !important;
  color: var(--eco-amber) !important;
}

/* papeis das linhas da saida (ver ArenaFmt em arena-desafios.js) */
.console-block pre .ln { display: block; }
.console-block pre .ln--cmd { color: var(--eco-fg); font-weight: 600; }
.console-block pre .ln--cmd .pr { color: var(--eco-amber); font-weight: 700; }
.console-block pre .ln--err { color: var(--eco-red); }
.console-block pre .ln--aviso { color: var(--eco-amber); }
.console-block pre .ln--head { color: var(--eco-fg); font-weight: 600; }
.console-block pre .ln--sep, .console-block pre .ln--nota { color: var(--eco-dim); }
.console-block pre .ln--prosa { white-space: pre-wrap; word-break: break-word; }
.console-output { overflow-x: hidden; }