/* Mundo AI Engineer: medidor de cota de tokens, janela ⚙ IA, blocos "rodar no LLM",
   balões de conversa (aulas e notebook) e caixas de erro. Visual pixel: cantos retos, sombra dura. */

/* ---------- medidor de cota ---------- */

.ai-meter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border: 2px solid var(--line-2);
  background: var(--surface);
  color: var(--text-2);
  font: 500 11px/1 var(--mono);
  cursor: pointer;
  white-space: nowrap;
}
.ai-meter:hover { border-color: var(--accent-line); color: var(--text); }
.ai-meter:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ai-meter .icon { width: 10px; height: 10px; fill: var(--accent); }
.ai-meter-txt b { color: var(--text); font-weight: 600; }
.ai-meter-bar { position: relative; width: 46px; height: 6px; background: var(--surface-3); border: 1px solid var(--line-2); }
.ai-meter-bar i { position: absolute; inset: 0 auto 0 0; background: var(--accent); }
.ai-meter-bar.low i { background: var(--warn); }
.ai-meter-bar.out i { background: var(--bad); }
.ai-meter.out { border-color: var(--bad); }
.ai-meter.out .icon { fill: var(--bad); }
.ai-meter.compact { padding: 2px 6px; gap: 5px; border-width: 1px; }
.ai-meter.compact .ai-meter-bar { width: 32px; height: 5px; }

/* na barra de status da IDE o medidor vira um item discreto */
.ide-st-ai { padding: 0 4px; }
.ide-st-ai .ai-meter { height: 18px; border: 0; background: transparent; color: inherit; padding: 0 4px; font-size: 11px; }
.ide-st-ai .ai-meter:hover { background: rgba(255, 255, 255, 0.12); }
.ide-st-ai .ai-meter .icon { fill: currentColor; }
.ide-st-ai .ai-meter-txt b { color: inherit; }
.ide-st-ai .ai-meter-bar { background: rgba(0, 0, 0, 0.3); border-color: rgba(255, 255, 255, 0.35); }

/* ---------- janela ⚙ IA ---------- */

.ai-settings { display: grid; gap: 12px; }
.ai-providers { display: grid; gap: 6px; border: 0; padding: 0; margin: 0; }
.ai-providers legend { margin-bottom: 6px; }
.ai-prov { display: flex; gap: 10px; align-items: flex-start; padding: 9px 11px; border: 2px solid var(--line); background: var(--surface); cursor: pointer; }
.ai-prov:hover { border-color: var(--line-3); }
.ai-prov.on { border-color: var(--accent); background: var(--accent-soft); }
.ai-prov input { margin-top: 3px; accent-color: var(--accent); }
.ai-prov b { display: block; font-size: 13px; }
.ai-prov small { display: block; color: var(--muted); font-size: 12px; line-height: 1.4; }
.ai-fields { display: grid; gap: 8px; }
.ai-fields[hidden] { display: none; }
.ai-fields select { width: 100%; padding: 8px 10px; background: var(--bg-2); color: var(--text); border: 2px solid var(--line-2); font: 13px var(--mono); }
.ai-notice { display: flex; gap: 8px; align-items: flex-start; padding: 9px 11px; margin: 0; border: 2px solid var(--warn); background: var(--warn-soft); font-size: 13px; }
.ai-notice .icon { flex: none; width: 12px; height: 12px; margin-top: 3px; fill: var(--warn); }
.ai-test-msg { min-height: 1.4em; margin: 0; }
.ai-test-msg.good { color: var(--good); }
.ai-test-msg.bad { color: var(--bad); }
.ai-usage-head { margin: 6px 0 0; }
.ai-usage { list-style: none; margin: 0; padding: 0; display: grid; gap: 5px; }
.ai-usage li { display: grid; grid-template-columns: minmax(0, 1fr) 90px auto; gap: 10px; align-items: center; font-size: 12.5px; }
.ai-usage li > span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-usage .mono { color: var(--muted); font-size: 11px; text-align: right; }
.ai-usage-bar { position: relative; height: 6px; background: var(--surface-3); border: 1px solid var(--line-2); }
.ai-usage-bar i { position: absolute; inset: 0 auto 0 0; background: var(--accent); }
.ai-usage-bar.out i { background: var(--bad); }

/* ---------- erros ---------- */

.ai-error { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding: 9px 11px; border: 2px solid var(--bad); background: var(--bad-soft); font-size: 13px; }
.ai-error .icon { flex: none; width: 12px; height: 12px; fill: var(--bad); }
.ai-error span { flex: 1 1 220px; }

/* ---------- conversa em balões ---------- */

.ai-chat { display: grid; gap: 8px; }
.ai-msg { display: grid; gap: 3px; max-width: 92%; padding: 8px 11px; border: 2px solid var(--line-2); background: var(--surface); font-size: 13.5px; line-height: 1.5; white-space: pre-wrap; word-break: break-word; }
.ai-msg > b { font: 600 10px/1 var(--pixel-ui); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.ai-msg.system, .ai-msg.developer { max-width: 100%; border-style: dashed; color: var(--text-2); background: transparent; }
.ai-msg.user { justify-self: end; border-color: var(--info); background: var(--info-soft); }
.ai-msg.user > b { color: var(--info); }
.ai-msg.assistant { justify-self: start; border-color: var(--accent-line); background: var(--accent-soft); }
.ai-msg.assistant > b { color: var(--accent); }
.ai-msg.tool { justify-self: start; border-color: var(--purple); background: rgba(139, 92, 246, 0.1); font-family: var(--mono); font-size: 12px; }
.ai-msg.tool > b { color: var(--purple); }
.ai-chat-call { display: block; font: 12px/1.45 var(--mono); color: var(--purple); white-space: pre-wrap; }

/* ---------- bloco "rodar no LLM" ---------- */

.ai-live { display: grid; gap: 10px; padding: 12px; border: 2px solid var(--line-2); background: var(--bg-2); }
.ai-live-bar { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
.ai-live-note { color: var(--muted); font-size: 12px; }
.ai-live-meter { margin-left: auto; }
.ai-live-out { display: grid; gap: 8px; min-height: 40px; }
.ai-live-out.busy { opacity: 0.75; }
.ai-live-tag { display: inline-flex; gap: 6px; align-items: center; flex-wrap: wrap; margin: 0; font: 600 10px/1.4 var(--pixel-ui); letter-spacing: 0.05em; text-transform: uppercase; }
.ai-live-tag .icon { width: 10px; height: 10px; }
.ai-live-tag.live { color: var(--accent); }
.ai-live-tag.live .icon { fill: var(--accent); }
.ai-live-tag.rec { color: var(--muted); }
.ai-live-tag.rec .icon, .ai-live-tag.wait .icon { fill: currentColor; }
.ai-live-tag.wait { color: var(--warn); }
.ai-usage-tag { font: 400 11px var(--mono); text-transform: none; letter-spacing: 0; color: var(--muted); }

/* ---------- conversa na saída do notebook (llm.mostrar) ---------- */

.nb-chat { display: grid; gap: 6px; padding: 6px 0; font: 13px/1.5 var(--sans, system-ui); }
.nb-chat-title { margin: 0 0 2px; font-weight: 600; color: var(--vs-fg, #ccc); }
.nb-chat-msg { display: grid; gap: 2px; max-width: 94%; padding: 6px 10px; border: 1px solid rgba(255, 255, 255, 0.16); background: rgba(255, 255, 255, 0.04); white-space: pre-wrap; word-break: break-word; }
.nb-chat-msg > b { font: 600 10px/1 var(--mono, monospace); text-transform: uppercase; letter-spacing: 0.05em; opacity: 0.7; }
.nb-chat-msg.system { border-style: dashed; opacity: 0.85; }
.nb-chat-msg.user { justify-self: end; border-color: rgba(91, 155, 255, 0.6); background: rgba(91, 155, 255, 0.08); }
.nb-chat-msg.assistant { border-color: rgba(200, 245, 60, 0.5); background: rgba(200, 245, 60, 0.06); }
.nb-chat-msg.tool { border-color: rgba(139, 92, 246, 0.6); font-family: var(--mono, monospace); font-size: 12px; }
.nb-chat-tool { display: block; font: 12px/1.4 var(--mono, monospace); color: #c4a7ff; }