:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-soft: #dbeafe;--accent: #f59e0b;--enlace: #1d4ed8;--navy: #0f172a;--cinza: #64748b;--fundo: #eef2f0;--bolha-bot: #ffffff;--bolha-user: #bfdbfe;--superficie: #ffffff;--borda: #cbd5e1;--borda-suave: #e2e8f0;--code-fundo: #f1f5f9;--hover-fundo: #eff6ff;--erro-texto: #b91c1c;--erro-fundo: #fee2e2;--perigo-texto: #dc2626;--perigo-hover-fundo: #fef2f2;--perigo-active-fundo: #fee2e2;--overlay: rgba(15, 23, 42, .45);--sombra-leve: rgba(15, 23, 42, .08);--sombra-forte: rgba(15, 23, 42, .2);color-scheme:light}:root[data-theme=dark]{--primary: #3b82f6;--primary-soft: #1e3a5f;--accent: #fbbf24;--enlace: #7dd3fc;--navy: #e2e8f0;--cinza: #94a3b8;--fundo: #0f172a;--bolha-bot: #1e293b;--bolha-user: #2b4a7d;--superficie: #1e293b;--borda: #334155;--borda-suave: #1e2d40;--code-fundo: #0f172a;--hover-fundo: #1e2f4d;--erro-texto: #fca5a5;--erro-fundo: #4c1d1d;--perigo-texto: #f87171;--perigo-hover-fundo: #3f1d1d;--perigo-active-fundo: #4c1d1d;--overlay: rgba(0, 0, 0, .65);--sombra-leve: rgba(0, 0, 0, .35);--sombra-forte: rgba(0, 0, 0, .5);color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:DM Sans,system-ui,sans-serif;background:var(--fundo);color:var(--navy);-webkit-font-smoothing:antialiased}h1,.titulo strong{font-family:Bricolage Grotesque,DM Sans,sans-serif}.tela-centro{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:24px;text-align:center}.login h1{margin:0;font-size:2rem}.login p{max-width:340px;color:var(--cinza);margin:0}.login small{color:var(--cinza);max-width:300px}.login small a{color:var(--enlace)}.google-btn{display:flex;align-items:center;gap:10px;padding:12px 22px;border:1px solid var(--borda);border-radius:999px;background:var(--superficie);color:var(--navy);font-size:1rem;font-weight:500;font-family:inherit;cursor:pointer;box-shadow:0 2px 8px var(--sombra-leve)}.google-btn:active{transform:scale(.98)}.spinner{width:36px;height:36px;border:4px solid var(--primary-soft);border-top-color:var(--primary);border-radius:50%;animation:girar .8s linear infinite}@keyframes girar{to{transform:rotate(360deg)}}.chat{position:relative;height:100%;display:flex;flex-direction:column;max-width:760px;margin:0 auto;background:var(--fundo);overflow:hidden}.chat-header{display:flex;align-items:center;gap:10px;padding:10px 14px;padding-top:calc(10px + env(safe-area-inset-top));background:var(--primary-dark);color:#fff}.chat-header .titulo{display:flex;flex-direction:column;line-height:1.15;flex:1}.chat-header .titulo span{font-size:.78rem;opacity:.85}.menu-btn,.sair-btn{background:#ffffff24;color:#fff;border:0;border-radius:8px;padding:8px 12px;font-size:.9rem;font-family:inherit;cursor:pointer}.drawer-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--overlay);z-index:20;animation:drawer-fade .15s ease}.drawer{position:absolute;top:0;bottom:0;left:0;width:min(78%,300px);background:var(--superficie);z-index:21;display:flex;flex-direction:column;box-shadow:2px 0 16px var(--sombra-forte);animation:drawer-slide-in .18s ease}.drawer-header{display:flex;align-items:center;gap:10px;width:100%;border:0;padding:16px;padding-top:calc(16px + env(safe-area-inset-top));background:var(--primary-dark);color:#fff;font-family:Bricolage Grotesque,DM Sans,sans-serif;font-weight:600;font-size:1.05rem;text-align:left;cursor:pointer}.drawer-header:hover{background:var(--primary)}.drawer nav{display:flex;flex-direction:column;padding:8px;gap:2px;overflow-y:auto}.drawer>nav:first-of-type{flex:1}.drawer nav button{text-align:left;padding:12px 14px;border:0;background:none;border-radius:10px;font-size:.95rem;font-family:inherit;color:var(--navy);cursor:pointer}.drawer nav button:hover{background:var(--hover-fundo)}.drawer nav button:active{background:var(--primary-soft)}.drawer nav button:disabled{opacity:.4;cursor:default}.drawer nav button.item-plano{display:flex;align-items:center;justify-content:space-between;gap:8px}.plano-uso{display:flex;gap:8px;font-size:.78rem;color:var(--cinza);white-space:nowrap}.plano-uso .uso-aviso{color:var(--accent)}.plano-uso .uso-perigo{color:var(--perigo-texto)}.drawer-perigo{border-top:1px solid var(--borda-suave);margin-top:4px;padding-top:8px!important}.drawer .drawer-perigo button{color:var(--perigo-texto)}.drawer .drawer-perigo button:hover{background:var(--perigo-hover-fundo)}.drawer .drawer-perigo button:active{background:var(--perigo-active-fundo)}.drawer-backdrop.fechando{animation:drawer-fade-out .15s ease forwards}.drawer.fechando{animation:drawer-slide-out .18s ease forwards}@keyframes drawer-slide-in{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes drawer-slide-out{0%{transform:translate(0)}to{transform:translate(-100%)}}@keyframes drawer-fade{0%{opacity:0}to{opacity:1}}@keyframes drawer-fade-out{0%{opacity:1}to{opacity:0}}.drawer-tema{display:flex;gap:4px;margin:4px 8px calc(8px + env(safe-area-inset-bottom));padding:4px;background:var(--fundo);border-radius:999px;flex-shrink:0}.drawer-tema button{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:999px;padding:8px 0;font-size:.95rem;font-family:inherit;background:none;color:var(--cinza);cursor:pointer}.drawer-tema button[aria-pressed=true]{background:var(--superficie);color:var(--navy);box-shadow:0 1px 3px var(--sombra-leve)}.mensagens{flex:1;overflow-y:auto;padding:16px 12px;display:flex;flex-direction:column;gap:10px}.historico-carregando{flex:1;display:flex;align-items:center;justify-content:center}.questao-link{background:none;border:none;padding:0;margin:0;font:inherit;color:var(--enlace);font-weight:600;text-decoration:underline;text-underline-offset:2px;cursor:pointer;text-align:left}.questao-link:active{opacity:.7}.linha-sugestao{display:block;width:100%}.turno{display:flex;flex-direction:column;gap:6px}.turno.user{align-items:flex-end}.turno.assistant{align-items:flex-start}.bolha{max-width:86%;padding:10px 14px;border-radius:16px;background:var(--bolha-bot);color:var(--navy);box-shadow:0 1px 2px var(--sombra-leve);white-space:normal;word-wrap:break-word;overflow-wrap:anywhere;font-size:.95rem;line-height:1.45}.turno.user .bolha{background:var(--bolha-user);border-bottom-right-radius:4px}.turno.assistant .bolha{border-bottom-left-radius:4px}.bolha a{color:var(--enlace);text-decoration:underline;text-underline-offset:2px}.bolha code{font-family:ui-monospace,monospace;font-size:.85em;background:var(--code-fundo);padding:1px 4px;border-radius:4px}.bolha.midia{padding:6px}.bolha.midia img{max-width:100%;border-radius:12px;display:block}.bolha.midia .caption{font-size:.82rem;color:var(--cinza);padding:6px 6px 2px}.bolha.digitando{display:flex;gap:4px;padding:14px 16px}.bolha.digitando span{width:7px;height:7px;background:var(--cinza);border-radius:50%;animation:pulsar 1.2s ease-in-out infinite}.bolha.digitando span:nth-child(2){animation-delay:.2s}.bolha.digitando span:nth-child(3){animation-delay:.4s}@keyframes pulsar{0%,60%,to{opacity:.3}30%{opacity:1}}.erro{align-self:center;color:var(--erro-texto);background:var(--erro-fundo);border-radius:10px;padding:8px 14px;font-size:.85rem}.chips{display:flex;gap:8px;overflow-x:auto;padding:8px 12px;scrollbar-width:none;-webkit-mask-image:linear-gradient(to right,black calc(100% - 32px),transparent);mask-image:linear-gradient(to right,black calc(100% - 32px),transparent)}.chips::-webkit-scrollbar{display:none}.chips button{flex-shrink:0;border:1.5px solid var(--primary);color:var(--enlace);background:var(--superficie);border-radius:999px;padding:8px 14px;font-size:.88rem;font-family:inherit;font-weight:500;cursor:pointer;white-space:nowrap}.chips button:active{background:var(--primary-soft)}.input-bar{display:flex;gap:8px;padding:10px 12px;padding-bottom:calc(10px + env(safe-area-inset-bottom));background:var(--fundo)}.input-bar textarea{flex:1;resize:none;border:1px solid var(--borda);border-radius:22px;padding:11px 16px;font-family:inherit;font-size:1rem;line-height:1.3;background:var(--superficie);color:var(--navy);outline:none;max-height:120px}.input-bar textarea:focus{border-color:var(--primary)}.input-bar button{width:46px;height:46px;border:0;border-radius:50%;background:var(--primary);color:#fff;font-size:1.15rem;cursor:pointer;flex-shrink:0}.input-bar button:disabled{opacity:.45;cursor:default}