:root{--primary:#2BB8D6;--navy:#0E2F44;--bg:#F4F8FA;--line:#E1EAEF;--muted:#6B8190;--ok:#16A34A;--radius:10px}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,sans-serif;color:var(--navy);background:var(--bg);font-size:14px}
[hidden]{display:none!important}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.muted{color:var(--muted);font-size:12px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 12px;cursor:pointer;font-weight:600}
.btn:hover{border-color:var(--primary)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{filter:brightness(.93)}
.btn.ghost{background:transparent}
.btn:disabled{opacity:.5;cursor:not-allowed}
.link{background:none;border:0;color:var(--primary);cursor:pointer;font-weight:600;padding:0}
input,select,textarea{border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#fff;width:100%}
label{display:block;font-weight:600;font-size:12px;margin-bottom:12px}
label input,label select{margin-top:4px;font-weight:400}
code{background:#EAF6FA;padding:1px 5px;border-radius:4px}

#auth{min-height:100vh;display:grid;place-items:center;padding:16px}
.auth-card{width:100%;max-width:380px;display:flex;flex-direction:column;gap:4px}
.auth-logo{height:48px;align-self:flex-start;margin-bottom:8px}
.hint{color:var(--muted);font-size:12px;text-align:center}

#app{height:100vh;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:16px;padding:8px 16px;background:#fff;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;min-width:200px}
.brand img{height:30px}
.search{display:flex;gap:8px;flex:1;max-width:640px}
.search input{flex:2}.search select{flex:1}
.who{display:flex;align-items:center;gap:8px;margin-left:auto}
.cols{flex:1;display:grid;grid-template-columns:340px 1fr 320px;min-height:0}
.col{min-height:0;display:flex;flex-direction:column;background:#fff;border-right:1px solid var(--line)}
.col.chat{background:var(--bg)}
.col.crm{border-right:0;border-left:1px solid var(--line);overflow:auto;padding:16px}
.empty{margin:auto;color:var(--muted)}
.tabs{display:flex;border-bottom:1px solid var(--line)}
.tabs button{flex:1;border:0;background:none;padding:12px 4px;cursor:pointer;font-weight:600;color:var(--muted);border-bottom:3px solid transparent}
.tabs button[aria-selected=true]{color:var(--navy);border-color:var(--primary)}
.list{list-style:none;margin:0;padding:0;overflow:auto;flex:1}
.item{display:grid;grid-template-columns:40px 1fr;gap:10px;padding:12px;border-bottom:1px solid var(--line);cursor:pointer}
.item:hover,.item.active{background:#EAF6FA}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700;position:relative}
.avatar.online::after{content:"";position:absolute;right:0;bottom:0;width:10px;height:10px;background:var(--ok);border:2px solid #fff;border-radius:50%}
.item .row{display:flex;justify-content:space-between;gap:6px;align-items:center}
.item .prev{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}
.badge{display:inline-block;border-radius:999px;padding:1px 8px;font-size:11px;font-weight:700;background:#E5EDF1}
.t-frio{background:#DBEAFE;color:#1D4ED8}.t-morno{background:#FEF3C7;color:#B45309}.t-quente{background:#FEE2E2;color:#B91C1C}.t-perdido{background:#E5E7EB;color:#4B5563}.t-fechado{background:#DCFCE7;color:#15803D}
.s-human_active{background:#DCFCE7;color:#15803D}.s-bot_active{background:#DBF4FA;color:#0E7490}.s-closed{background:#E5E7EB;color:#4B5563}
.chat #chat{display:flex;flex-direction:column;height:100%;min-height:0}
.chat-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#fff;border-bottom:1px solid var(--line);gap:8px;flex-wrap:wrap}
.actions{display:flex;gap:8px}
.msgs{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:8px}
.bubble{max-width:70%;padding:8px 12px;border-radius:14px;line-height:1.4;white-space:pre-wrap;word-break:break-word}
.bubble small{display:block;opacity:.7;font-size:10px;margin-top:2px}
.b-lead{background:#E5E7EB;align-self:flex-start;border-bottom-left-radius:4px}
.b-ai{background:#DBF4FA;border:1px solid #A5E3F0;align-self:flex-start;border-bottom-left-radius:4px}
.b-agent{background:#D1F5DC;align-self:flex-end;border-bottom-right-radius:4px}
.b-system{background:transparent;color:var(--muted);align-self:center;font-size:12px;max-width:90%}
.b-failed{outline:2px solid #DC2626}
.typing{min-height:18px;padding:0 16px}
.send{display:flex;gap:8px;padding:12px;background:#fff;border-top:1px solid var(--line)}
.send textarea{resize:none}
.crm h3{margin:16px 0 8px;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);display:flex;justify-content:space-between}
.crm h3:first-child{margin-top:0}
.temps{display:flex;flex-wrap:wrap;gap:6px}
.temps button{border:2px solid transparent;border-radius:999px;padding:4px 12px;cursor:pointer;font-weight:700;font-size:12px}
.temps button[aria-pressed=true]{border-color:var(--navy)}
.summary{background:var(--bg);border-radius:8px;padding:10px;font-size:13px;line-height:1.5}
.summary b{display:block;font-size:11px;color:var(--muted);margin-top:6px}.summary b:first-child{margin-top:0}
.meta{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;margin:0;font-size:13px}.meta dt{color:var(--muted)}.meta dd{margin:0;word-break:break-all}
#toasts{position:fixed;right:16px;top:16px;display:flex;flex-direction:column;gap:8px;z-index:99}
.toast{background:var(--navy);color:#fff;padding:10px 14px;border-radius:8px;box-shadow:0 4px 14px #0003;max-width:340px}
.toast.err{background:#B91C1C}
dialog{border:0;border-radius:12px;padding:20px;width:min(760px,95vw);max-height:90vh}
dialog::backdrop{background:#0E2F4488}
.dlg-head{display:flex;justify-content:space-between;align-items:center}
.sec{border-top:1px solid var(--line);margin-top:16px;padding-top:12px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
table{width:100%;border-collapse:collapse;font-size:13px}td,th{padding:6px;border-bottom:1px solid var(--line);text-align:left}
pre{background:var(--navy);color:#cfe9f1;padding:10px;border-radius:8px;overflow:auto;font-size:12px}
@media(max-width:1100px){.cols{grid-template-columns:300px 1fr}.col.crm{display:none}}
@media(max-width:720px){.cols{grid-template-columns:1fr}.col.chat{display:none}.brand span,.search select{display:none}}
.item>div:last-child{min-width:0}