:root {
  --fundo: #0f1115;
  --painel: #181b22;
  --painel-2: #222632;
  --texto: #eef0f5;
  --texto-2: #a3a9b8;
  --marca: #7c5cff;
  --marca-2: #36d1dc;
  --perigo: #ff6b6b;
  --raio: 18px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root { --fundo: #f6f7fb; --painel: #ffffff; --painel-2: #eceef5; --texto: #161821; --texto-2: #5b6170; color-scheme: light; }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--fundo); color: var(--texto); font-size: 16px; line-height: 1.5; -webkit-text-size-adjust: 100%; }
[hidden] { display: none !important; }
.oculto { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
button { font: inherit; color: inherit; cursor: pointer; }
input { font: inherit; font-size: 16px; }

/* orbe animado: mostra o estado da Clara */
.orbe { width: 14px; height: 14px; border-radius: 50%; background: var(--texto-2); display: inline-block; transition: background .3s, box-shadow .3s; }
.orbe--grande { width: 72px; height: 72px; margin: 0 auto 8px; background: radial-gradient(circle at 30% 30%, var(--marca-2), var(--marca)); }
body[data-estado="ouvindo"] .orbe { background: var(--marca-2); box-shadow: 0 0 0 0 var(--marca-2); animation: pulsar 1.6s infinite; }
body[data-estado="conversa"] .orbe { background: var(--marca); animation: pulsar 1.2s infinite; }
body[data-estado="pensando"] .orbe { background: #f5b942; animation: girar 1s linear infinite; border-radius: 30%; }
body[data-estado="falando"] .orbe { background: var(--marca); animation: falar .5s ease-in-out infinite alternate; }
@keyframes pulsar { 70% { box-shadow: 0 0 0 10px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
@keyframes girar { to { transform: rotate(360deg); } }
@keyframes falar { to { transform: scale(1.35); } }
@media (prefers-reduced-motion: reduce) { .orbe { animation: none !important; } }

/* login */
.login { min-height: 100dvh; display: grid; place-items: center; padding: 24px 16px; }
.login__caixa { width: 100%; max-width: 360px; display: grid; gap: 12px; text-align: center; }
.login__caixa h1 { margin: 0 0 8px; font-size: 28px; }
.login__caixa input { min-height: 48px; padding: 0 16px; border-radius: 12px; border: 1px solid var(--painel-2); background: var(--painel); color: var(--texto); }
.botao { min-height: 48px; border: 0; border-radius: 12px; background: var(--marca); color: #fff; font-weight: 600; }
.erro { color: var(--perigo); min-height: 1.5em; margin: 0; }

/* app */
.app { height: 100dvh; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; grid-template-columns: minmax(0, 1fr); max-width: 860px; margin: 0 auto; }
.topo { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: calc(8px + env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) 8px max(16px, env(safe-area-inset-left));
  border-bottom: 1px solid var(--painel-2); }
.topo__nome { display: flex; align-items: center; gap: 10px; font-size: 18px; }
.topo__acoes { display: flex; gap: 4px; }
.icone { width: 44px; height: 44px; border: 0; border-radius: 12px; background: transparent; font-size: 20px; }
.icone:hover, .icone:focus-visible { background: var(--painel-2); }
.icone[aria-pressed="false"] { opacity: .45; }
.menu { position: absolute; right: 16px; top: calc(100% - 4px); z-index: 5; display: grid; min-width: 200px;
  background: var(--painel); border: 1px solid var(--painel-2); border-radius: 14px; padding: 6px; box-shadow: 0 10px 30px #0006; }
.menu button { min-height: 44px; text-align: left; padding: 0 14px; border: 0; border-radius: 10px; background: transparent; }
.menu button:hover, .menu button:focus-visible { background: var(--painel-2); }

.conversa { list-style: none; margin: 0; padding: 16px max(16px, env(safe-area-inset-left)); overflow-y: auto; display: flex; flex-direction: column; gap: 12px; overscroll-behavior: contain; }
.msg { max-width: 88%; padding: 10px 14px; border-radius: var(--raio); overflow-wrap: anywhere; }
.msg--voce { align-self: flex-end; background: var(--marca); color: #fff; border-bottom-right-radius: 6px; }
.msg--clara { align-self: flex-start; background: var(--painel); border: 1px solid var(--painel-2); border-bottom-left-radius: 6px; }
.msg--sistema { align-self: center; color: var(--texto-2); font-size: 14px; background: none; }
.msg p { margin: 0 0 8px; } .msg p:last-child { margin-bottom: 0; }
.msg ul, .msg ol { margin: 4px 0 8px; padding-left: 20px; }
.msg h3 { font-size: 16px; margin: 8px 0 4px; }
.msg code { background: var(--painel-2); padding: 1px 5px; border-radius: 6px; font-size: 14px; }
.msg pre { background: var(--painel-2); padding: 10px; border-radius: 10px; overflow-x: auto; }
.msg a { color: var(--marca-2); }
.msg table { border-collapse: collapse; display: block; overflow-x: auto; font-size: 14px; }
.msg th, .msg td { border: 1px solid var(--painel-2); padding: 4px 8px; text-align: left; }
.ouvir { margin-top: 6px; min-height: 44px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--painel-2); background: transparent; color: var(--texto-2); font-size: 14px; }

.rodape { padding: 8px max(16px, env(safe-area-inset-right)) calc(12px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left)); border-top: 1px solid var(--painel-2); background: var(--fundo); }
.estado { margin: 0 0 8px; font-size: 14px; color: var(--texto-2); text-align: center; min-height: 1.5em; }
.controles { display: flex; align-items: center; gap: 10px; }
.mic { flex: none; width: 60px; height: 60px; border-radius: 50%; border: 0; background: var(--painel-2); display: grid; place-items: center; }
.mic svg { width: 28px; height: 28px; fill: var(--texto); }
.mic[aria-pressed="true"] { background: linear-gradient(135deg, var(--marca-2), var(--marca)); }
.mic[aria-pressed="true"] svg { fill: #fff; }
.digitar { flex: 1; display: flex; gap: 8px; min-width: 0; }
.digitar input { flex: 1; min-width: 0; min-height: 48px; padding: 0 16px; border-radius: 24px; border: 1px solid var(--painel-2); background: var(--painel); color: var(--texto); }
.enviar { width: 48px; height: 48px; flex: none; border-radius: 50%; border: 0; background: var(--marca); color: #fff; font-size: 18px; }

@media (min-width: 768px) {
  .msg { max-width: 75%; }
  .conversa { padding: 24px; }
}