:root{--verde: #128c7e;--verde-claro: #25d366;--livre: #d97706;--erro: #c0392b;--fundo: #f0f2f5;--fundo-chat: #efeae2;--texto: #111b21;--texto-fraco: #667781;--texto-tenue: #8696a0;--borda: #e9edef;--raio: 10px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--fundo);color:var(--texto)}button{background:var(--verde);color:#fff;border:0;padding:10px 14px;border-radius:var(--raio);cursor:pointer;font-size:14px}button:disabled{opacity:.6;cursor:default}button:focus-visible,input:focus-visible,li:focus-visible{outline:2px solid var(--verde);outline-offset:2px}.login{display:flex;align-items:center;justify-content:center;height:100vh}.login-card{background:#fff;padding:32px;border-radius:12px;box-shadow:0 2px 16px #00000014;width:320px;display:flex;flex-direction:column;gap:12px}.login-card h1{margin:0;color:var(--verde)}.login-card .sub{margin:0 0 8px;color:var(--texto-fraco);font-size:14px}.login-card input,.responder input{padding:10px;border:1px solid var(--borda);border-radius:8px;font-size:14px}.erro{color:var(--erro);font-size:13px}.app{display:flex;height:100vh}.painel-esquerdo{width:360px;border-right:1px solid var(--borda);background:#fff;display:flex;flex-direction:column}.topo{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--borda);font-weight:600}.topo .sair{background:transparent;color:var(--verde);padding:6px 10px}.banner-erro{background:#fdecea;color:var(--erro);font-size:13px;padding:8px 16px}.painel-direito{flex:1;display:flex}.lista-conversas{list-style:none;margin:0;padding:0;overflow-y:auto;flex:1}.lista-conversas li{display:flex;gap:12px;padding:12px 16px;border-bottom:1px solid var(--borda);border-left:3px solid transparent;cursor:pointer}.lista-conversas li.livre{border-left-color:var(--livre)}.lista-conversas li.minha{border-left-color:var(--verde)}.lista-conversas li.outro{border-left-color:#c4c4c4}.lista-conversas li:hover:not(.ativa){background:#f5f6f6}.lista-conversas li.ativa{background:#e9edef}.avatar{width:40px;height:40px;border-radius:50%;background:var(--verde);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}.conversa-corpo{flex:1;min-width:0}.linha-topo,.linha-base{display:flex;justify-content:space-between;align-items:center;gap:8px}.lista-conversas .nome{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lista-conversas li.nao-lida .nome{font-weight:700}.horario{font-size:12px;color:var(--texto-tenue);flex-shrink:0}.previa{flex:1;min-width:0;font-size:13px;color:var(--texto-fraco);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lista-conversas li.nao-lida .previa{color:var(--texto);font-weight:500}.badge-nao-lidas{background:var(--verde-claro);color:#fff;font-size:11px;font-weight:600;min-width:18px;height:18px;padding:0 5px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.atendente{font-size:12px;margin-top:2px;color:var(--verde)}.atendente.livre{color:var(--livre);font-weight:600}.atendente.outro{color:var(--texto-tenue)}.estado-vazio{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;gap:8px;padding:32px;color:var(--texto-fraco)}.estado-vazio .icone{font-size:32px}.carregando{display:flex;align-items:center;justify-content:center;height:100vh;color:var(--texto-fraco)}.chat{flex:1;display:flex;flex-direction:column}.chat-header{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-bottom:1px solid var(--borda);background:#fff}.chat-header-info{display:flex;flex-direction:column}.chat-header .titulo{font-weight:600}.chat-header .subtitulo{font-size:12px;color:var(--texto-fraco)}.tag{font-size:12px;padding:4px 8px;border-radius:12px}.tag-minha{background:#e7f7ee;color:var(--verde)}.tag-outro{background:#fdecea;color:var(--erro)}.btn-assumir{font-size:13px;padding:6px 10px}.mensagens{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:8px;background:var(--fundo-chat)}.bolha{max-width:70%;padding:6px 10px 4px;border-radius:var(--raio);font-size:14px;white-space:pre-wrap;word-break:break-word;box-shadow:0 1px .5px #00000021}.bolha.entrada{background:#fff;align-self:flex-start}.bolha.saida{background:#d9fdd3;align-self:flex-end}.bolha .meta{display:block;text-align:right;font-size:10px;color:var(--texto-tenue);margin-top:2px}.bolha .status.falha{color:var(--erro)}.erro-envio{color:var(--erro);font-size:12px;padding:6px 16px;background:#fdecea}.responder{display:flex;gap:8px;padding:12px;border-top:1px solid var(--borda);background:#fff}.responder input{flex:1}@media (max-width: 768px){.painel-esquerdo{width:100%}.painel-direito{position:fixed;top:0;right:0;bottom:0;left:0;background:#fff;z-index:10}}