/* Assistente de IA do painel. Usa só as variáveis do painel (publico/painel/tokens.css), com valores de reserva.
   Computador (≥ 900 px): painel lateral direito fixo (ou embutido na grelha com .ia-embutido).
   Telemóvel (< 900 px): folha de ecrã inteiro, aberta pelo botão flutuante. Integração: docs/assistente.md. */
:root { --ia-largura: 380px; --ia-fab-baixo: 16px; --ia-fab-baixo-movel: calc(76px + env(safe-area-inset-bottom, 0px)); --ia-z: 40; }

.ia-raiz { box-sizing: border-box; font-family: var(--fonte, system-ui, sans-serif); color: var(--tinta, #1d1b20); }
.ia-raiz *, .ia-raiz *::before, .ia-raiz *::after { box-sizing: inherit; }
.ia-raiz:not(.aberto) { display: none; }
.ia-sr { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* Posição: lateral direita (computador) */
@media (min-width: 900px) {
  .ia-raiz:not(.ia-embutido) { position: fixed; top: 0; right: 0; bottom: 0; width: var(--ia-largura); max-width: 100vw; z-index: var(--ia-z); border-left: 1px solid var(--linha, #e3e0e8); box-shadow: -8px 0 24px rgba(23, 20, 31, .06); }
  html.ia-aberto body.com-assistente { padding-right: var(--ia-largura); }
  html.ia-aberto .ia-flutuante { display: none; }
}
/* Folha de ecrã inteiro (telemóvel) */
@media (max-width: 899px) {
  .ia-raiz { position: fixed; inset: 0; z-index: calc(var(--ia-z) + 20); }
  html.ia-folha-aberta, html.ia-folha-aberta body { overflow: hidden; }
  .ia-nova .ia-longo { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}
@media (min-width: 900px) { .ia-nova .ia-curto { display: none; } }
.ia-form textarea:disabled, .ia-enviar:disabled { opacity: .6; cursor: not-allowed; }
.ia-embutido { position: sticky; top: 0; height: 100dvh; width: 100%; }

.ia { display: flex; flex-direction: column; height: 100%; min-height: 0; background: var(--superficie, #fff); }
.ia-cab { display: flex; align-items: center; gap: var(--e-2, 8px); padding: var(--e-3, 12px) var(--e-3, 12px) var(--e-3, 12px) var(--e-4, 16px); border-bottom: 1px solid var(--linha, #e3e0e8); }
.ia-marca { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: var(--raio-pilula, 999px); background: var(--acao, #4b2a86); color: var(--acao-texto, #fff); flex: none; }
.ia-marca svg { width: 20px; height: 20px; fill: currentColor; }
.ia-tit { flex: 1; min-width: 0; }
.ia-tit h2 { margin: 0; font-family: var(--fonte-titulos, inherit); font-size: var(--t-h3, 1.0625rem); line-height: 1.25; }
.ia-tit p { margin: 0; font-size: var(--t-pequeno, .875rem); color: var(--texto-2, #57525f); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.ia-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; min-width: 44px; padding: 0 var(--e-3, 12px); border: 1px solid var(--linha-campo, #b9b4c2); border-radius: var(--raio-2, 10px); background: var(--superficie, #fff); color: var(--tinta, #1d1b20); font: inherit; font-size: var(--t-pequeno, .875rem); cursor: pointer; }
.ia-btn:hover { background: var(--superficie-2, #f6f4f8); }
.ia-btn svg, .ia-enviar svg, .ia-flutuante svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ia-icone { padding: 0; border-color: transparent; }

.ia-conversa { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: var(--e-4, 16px); display: flex; flex-direction: column; gap: var(--e-3, 12px); background: var(--fundo, #faf8fb); }
.ia-msg { max-width: 92%; padding: var(--e-3, 12px) var(--e-4, 14px); border-radius: var(--raio-3, 14px); line-height: 1.5; overflow-wrap: anywhere; }
.ia-msg .ia-txt > :first-child { margin-top: 0; }
.ia-msg .ia-txt > :last-child { margin-bottom: 0; }
.ia-msg p { margin: 0 0 .6em; }
.ia-msg ul { margin: 0 0 .6em; padding-left: 1.2em; }
.ia-msg li + li { margin-top: .25em; }
.ia-msg a { color: var(--ligacao, #4b2a86); font-weight: 600; text-underline-offset: 2px; }
.ia-dona { align-self: flex-end; background: var(--acao, #4b2a86); color: var(--acao-texto, #fff); border-bottom-right-radius: 4px; }
.ia-assistente { align-self: flex-start; background: var(--superficie, #fff); border: 1px solid var(--linha, #e3e0e8); border-bottom-left-radius: 4px; }
.ia-erro { border-color: var(--erro, #b3261e); background: var(--erro-f, #fdecea); }
.ia-aviso { color: var(--tinta, #1d1b20); }
.ia-repetir { margin-top: var(--e-2, 8px); }
.ia-pensar { display: flex; align-items: center; gap: 10px; color: var(--texto-2, #57525f); margin: 0; }
.ia-pontos { display: inline-flex; gap: 4px; }
.ia-pontos i { width: 7px; height: 7px; border-radius: 50%; background: currentColor; opacity: .35; animation: ia-ponto 1.2s infinite ease-in-out; }
.ia-pontos i:nth-child(2) { animation-delay: .15s; }
.ia-pontos i:nth-child(3) { animation-delay: .3s; }
@keyframes ia-ponto { 0%, 80%, 100% { opacity: .25; transform: translateY(0); } 40% { opacity: .9; transform: translateY(-3px); } }
@media (prefers-reduced-motion: reduce) { .ia-pontos i { animation: none; opacity: .6; } }

.ia-sugestoes { display: flex; flex-wrap: wrap; gap: var(--e-2, 8px); padding: var(--e-2, 8px) var(--e-4, 16px) 0; }
.ia-sugestoes:empty { display: none; }
.ia-chip { display: inline-flex; align-items: center; min-height: 36px; padding: 6px 12px; border: 1px solid var(--linha-campo, #b9b4c2); border-radius: var(--raio-pilula, 999px); background: var(--superficie, #fff); color: var(--tinta, #1d1b20); font: inherit; font-size: var(--t-pequeno, .875rem); line-height: 1.3; text-align: left; cursor: pointer; text-decoration: none; }
.ia-chip:hover { background: var(--superficie-2, #f6f4f8); }
.ia-ir { border-color: var(--acao, #4b2a86); color: var(--ligacao, #4b2a86); font-weight: 600; }

.ia-form { display: flex; align-items: flex-end; gap: var(--e-2, 8px); padding: var(--e-3, 12px) var(--e-4, 16px) var(--e-2, 8px); }
.ia-form textarea { flex: 1; min-width: 0; min-height: 44px; max-height: 160px; resize: none; padding: 10px 12px; border: 1px solid var(--linha-campo, #b9b4c2); border-radius: var(--raio-2, 10px); background: var(--superficie, #fff); color: var(--tinta, #1d1b20); font: inherit; font-size: 1rem; line-height: 1.4; }
.ia-form textarea::placeholder { color: var(--texto-2, #57525f); opacity: 1; }
.ia-enviar { display: inline-grid; place-items: center; width: 44px; height: 44px; flex: none; border: 0; border-radius: var(--raio-2, 10px); background: var(--acao, #4b2a86); color: var(--acao-texto, #fff); cursor: pointer; }
.ia-enviar:hover { background: var(--acao-hover, var(--acao, #3d2270)); }
.ia-enviar svg { width: 24px; height: 24px; stroke-width: 2.4; }
.ia-enviar.ia-parar svg { fill: currentColor; stroke: none; }
.ia-nota { margin: 0; padding: 0 var(--e-4, 16px) var(--e-3, 12px); font-size: .8125rem; line-height: 1.4; color: var(--texto-2, #57525f); }

.ia-flutuante { position: fixed; right: 16px; bottom: var(--ia-fab-baixo); z-index: var(--ia-z); display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 0 18px 0 14px; border: 0; border-radius: var(--raio-pilula, 999px); background: var(--acao, #4b2a86); color: var(--acao-texto, #fff); font: inherit; font-weight: 600; box-shadow: var(--sombra-2, 0 6px 20px rgba(23, 20, 31, .2)); cursor: pointer; }
.ia-flutuante svg { fill: currentColor; stroke: none; }
.ia-flutuante:hover { background: var(--acao-hover, var(--acao, #3d2270)); }
@media (max-width: 899px) { .ia-flutuante { bottom: var(--ia-fab-baixo-movel); } }
@media (max-width: 359px) { .ia-flutuante span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); } .ia-flutuante { padding: 0 14px; } }

.ia-raiz :focus-visible, .ia-flutuante:focus-visible { outline: 3px solid var(--foco, #1a5fd0); outline-offset: 2px; }
.ia-conversa:focus-visible { outline-offset: -3px; }
@media (forced-colors: active) { .ia-msg, .ia-chip, .ia-enviar, .ia-flutuante { border: 1px solid CanvasText; } }