:root{--fundo: #0b141a;--fundo-thread: #0b141a;--bot: #1f2c33;--user: #166e4e;--texto: #e9edef;--muted: #8696a0;--verde: #25d366;--verde-escuro: #1f7a4d;--barra: #1f2c33;--campo: #2a3942}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--fundo);color:var(--texto)}.centro{display:grid;place-items:center;height:100vh;color:var(--muted)}.login{max-width:360px;margin:14vh auto;display:flex;flex-direction:column;gap:12px;padding:0 24px}.login h1{margin:0;text-align:center}.subtitulo{text-align:center;color:var(--muted);margin:0 0 8px}.login input{width:100%;padding:12px;border:1px solid #2a3942;border-radius:10px;font-size:16px;background:var(--campo);color:var(--texto)}.login button,.barra .icone.enviar,.barra .icone.mic{background:var(--verde-escuro);color:#fff;border:none;cursor:pointer}.login button{padding:12px;border-radius:10px;font-size:16px}.chat{display:flex;flex-direction:column;height:100vh;max-width:640px;margin:0 auto}.chat header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--bot);border-bottom:1px solid #000a}.chat header strong{font-size:17px}.link{background:none;border:none;color:var(--verde);cursor:pointer;font-size:14px}.header-acoes{display:flex;align-items:center;gap:12px}.icone-cab{background:none;border:none;font-size:20px;cursor:pointer;padding:0;line-height:1}.icone-cab:disabled{opacity:.5}.thread{flex:1;overflow-y:auto;padding:14px 12px;display:flex;flex-direction:column;gap:8px;background:radial-gradient(transparent 0,#0000000a),var(--fundo-thread)}.bolha{max-width:82%;padding:8px 10px 6px;border-radius:12px;font-size:15px;line-height:1.4;position:relative;word-wrap:break-word}.bolha.bot{align-self:flex-start;background:var(--bot);border-top-left-radius:4px}.bolha.user{align-self:flex-end;background:var(--user);border-top-right-radius:4px}.bolha .txt{white-space:pre-wrap}.bolha .hora{display:block;text-align:right;font-size:11px;color:var(--muted);margin-top:3px}.bolha.user .hora{color:#cfe9dd}.erro-txt{color:#ff9a9a}.pensar{color:var(--muted);font-style:italic}.ficheiro{display:flex;align-items:center;gap:8px;opacity:.95}.compra{min-width:220px}.compra-cab{color:var(--verde);font-weight:600;margin-bottom:2px}.compra-sub{color:var(--muted);font-size:13px;margin-bottom:8px}.compra-itens{list-style:none;margin:0;padding:0}.compra-itens li{display:flex;justify-content:space-between;gap:10px;padding:5px 0;border-top:1px solid #ffffff14}.compra-itens li span{flex:1}.compra-itens b{font-variant-numeric:tabular-nums}.mais{background:none;border:none;color:var(--muted);cursor:pointer;padding:6px 0 0;font-size:13px}.precos{list-style:none;margin:8px 0 0;padding:0}.precos li{display:flex;justify-content:space-between;padding:9px 10px;border-radius:8px;margin-top:4px;background:#ffffff0d}.precos li b{font-variant-numeric:tabular-nums}.precos li.melhor{background:#1f7a4d33;color:var(--verde);font-weight:600}.barra{display:flex;align-items:center;gap:8px;padding:8px 10px;background:var(--barra);border-top:1px solid #000a}.icone{width:44px;height:44px;flex:0 0 44px;border-radius:50%;border:none;font-size:19px;cursor:pointer;display:grid;place-items:center;background:#2a3942;color:var(--texto)}.icone.mic.ativo{background:#c0392b;animation:pulsar 1.2s ease-in-out infinite}@keyframes pulsar{0%,to{opacity:1}50%{opacity:.6}}.campo{flex:1;padding:11px 14px;border-radius:22px;border:none;font-size:16px;background:var(--campo);color:var(--texto)}.campo::placeholder{color:var(--muted)}.icone:disabled,.campo:disabled{opacity:.6}