.app { width: min(1180px, 100% - 32px); margin: 28px auto 64px; }
.titulo h1 { font-size: clamp(1.6rem, 4vw, 2.3rem); letter-spacing: -.025em; margin: 0 0 8px; }
.titulo p { color: var(--texto-2); margin: 0 0 24px; max-width: 72ch; }
code { font-family: var(--mono); font-size: .88em; }
.duas { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); gap: 24px; align-items: start; }
@media (max-width: 900px) { .duas { grid-template-columns: minmax(0, 1fr); } }

.chat { background: var(--superficie); border: 1px solid var(--borda); border-radius: 16px; overflow: hidden; box-shadow: var(--sombra); display: flex; flex-direction: column; }
.chat-topo { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; background: var(--superficie-2); border-bottom: 1px solid var(--borda); }
.chat-topo h2 { font-size: .95rem; margin: 0; }
.btn-peq { border: 1px solid var(--borda); background: var(--superficie); color: var(--texto); border-radius: 999px; padding: 6px 14px; font-size: .82rem; font-weight: 600; cursor: pointer; transition: border-color .2s; }
.btn-peq:hover { border-color: var(--destaque); }
.mensagens { padding: 20px 16px; height: 560px; overflow-y: auto; display: flex; flex-direction: column; gap: 14px; scroll-behavior: smooth; }
.msg { max-width: 92%; animation: entra .3s ease-out; }
@keyframes entra { from { opacity: 0; transform: translateY(8px); } }
.msg.eu { align-self: flex-end; background: color-mix(in srgb, var(--destaque) 22%, var(--superficie)); border: 1px solid color-mix(in srgb, var(--destaque) 35%, var(--borda)); padding: 10px 14px; border-radius: 16px 16px 4px 16px; }
.msg.ia { align-self: flex-start; width: 100%; max-width: 100%; display: flex; gap: 10px; }
.avatar { flex: none; width: 28px; height: 28px; border-radius: 8px; background: linear-gradient(135deg, #d97757, #e8a47c); display: grid; place-items: center; color: #fff; font-weight: 800; font-size: .8rem; margin-top: 2px; }
.ia-corpo { min-width: 0; flex: 1; display: grid; gap: 10px; }
.texto-ia { line-height: 1.6; }
.texto-ia p { margin: 0 0 8px; }
.texto-ia ul { margin: 0 0 8px; padding-left: 20px; }
.texto-ia li { margin: 2px 0; }
.digitando { display: inline-flex; gap: 4px; padding: 6px 0; }
.digitando i { width: 7px; height: 7px; border-radius: 50%; background: var(--texto-2); animation: pulo 1s infinite; }
.digitando i:nth-child(2) { animation-delay: .15s; } .digitando i:nth-child(3) { animation-delay: .3s; }
@keyframes pulo { 0%, 60%, 100% { transform: translateY(0); opacity: .4; } 30% { transform: translateY(-4px); opacity: 1; } }
.cursor::after { content: ""; display: inline-block; width: 2px; height: 1em; background: var(--texto); margin-left: 1px; vertical-align: text-bottom; animation: pisca 1s steps(1) infinite; }
@keyframes pisca { 50% { opacity: 0; } }

.ferr { border: 1px solid var(--borda); border-radius: 12px; background: var(--superficie-2); overflow: hidden; }
.ferr summary { cursor: pointer; padding: 9px 12px; font-size: .86rem; display: flex; align-items: center; gap: 8px; list-style: none; }
.ferr summary::-webkit-details-marker { display: none; }
.ferr summary::after { content: ""; margin-left: auto; width: 8px; height: 8px; border-right: 2px solid var(--texto-2); border-bottom: 2px solid var(--texto-2); transform: rotate(45deg); transition: transform .2s; }
.ferr[open] summary::after { transform: rotate(-135deg); }
.ferr .estado { width: 16px; height: 16px; border-radius: 50%; flex: none; display: grid; place-items: center; font-size: .65rem; font-weight: 800; }
.ferr.rodando .estado { border: 2px solid var(--borda); border-top-color: var(--destaque-2); animation: gira .8s linear infinite; }
.ferr.ok .estado { background: var(--destaque-2); color: #0a0d16; }
.ferr.ok .estado::before { content: "\2713"; }
@keyframes gira { to { transform: rotate(360deg); } }
.ferr summary code { color: var(--destaque-2); background: color-mix(in srgb, var(--destaque-2) 12%, transparent); padding: 1px 7px; border-radius: 6px; }
.ferr-det { border-top: 1px solid var(--borda); padding: 10px 12px 12px; display: grid; gap: 8px; }
.ferr-det h4 { margin: 0; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--texto-2); }
.ferr-det pre { margin: 0; padding: 10px 12px; background: var(--fundo); border: 1px solid var(--borda); border-radius: 8px; font-family: var(--mono); font-size: .8rem; line-height: 1.55; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 320px; }

.sugestoes { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 12px 16px 16px; border-top: 1px solid var(--borda); background: var(--superficie-2); }
.sugestoes .rot { width: 100%; font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; color: var(--texto-2); }
.sug { border: 1px solid var(--borda); background: var(--superficie); color: var(--texto); border-radius: 999px; padding: 8px 14px; font-size: .86rem; cursor: pointer; text-align: left; transition: border-color .2s, transform .15s, opacity .2s; }
.sug:hover:not(:disabled) { border-color: var(--destaque); transform: translateY(-1px); }
.sug:disabled { opacity: .45; cursor: not-allowed; }

.lateral { display: grid; gap: 18px; }
.caixa { background: var(--superficie); border: 1px solid var(--borda); border-radius: 16px; padding: 16px; }
.caixa h2 { font-size: 1rem; margin: 0 0 12px; }
.peq { font-size: .82rem; color: var(--texto-2); margin: 12px 0 0; }
.cmd { display: flex; gap: 8px; align-items: flex-start; background: var(--fundo); border: 1px solid var(--borda); border-radius: 10px; padding: 10px; }
.cmd code { flex: 1; min-width: 0; overflow-wrap: anywhere; color: var(--destaque-2); }
.ferramentas { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.ferramentas li { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; padding: 8px 0; border-bottom: 1px solid var(--borda); }
.ferramentas li:last-child { border-bottom: 0; }
.ferramentas code { color: var(--destaque); font-weight: 600; }
.ferramentas .fonte { justify-self: end; font-size: .7rem; padding: 1px 8px; border-radius: 99px; border: 1px solid var(--borda); color: var(--texto-2); align-self: center; }
.ferramentas .o-que { grid-column: 1 / -1; font-size: .82rem; color: var(--texto-2); }