:root{--bg:#f3f4f6;--panel:#fff;--line:#e5e7eb;--txt:#111827;--mut:#6b7280;--acc:#c2185b;--acc2:#fce4ec;--ok:#16a34a;--warn:#f59e0b;--bad:#dc2626;--r:10px}
*{box-sizing:border-box}html,body{height:100%;margin:0}
body{font:14px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--txt);background:var(--bg)}
a{color:var(--acc)}button{font:inherit;cursor:pointer}input,textarea,select{font:inherit;color:inherit}
#app{height:100%}
.hidden{display:none!important}
.btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 12px;color:var(--txt)}.btn:hover{background:#f9fafb}
.btn.p{background:var(--acc);border-color:var(--acc);color:#fff}.btn.p:hover{filter:brightness(.95)}.btn.s{padding:4px 8px;font-size:12px}.btn.d{color:var(--bad)}
.btn:disabled{opacity:.5;cursor:default}
.inp{border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#fff;width:100%;outline:0}.inp:focus{border-color:var(--acc)}
.mut{color:var(--mut)}.sm{font-size:12px}.b{font-weight:600}.row{display:flex;gap:8px;align-items:center}.grow{flex:1;min-width:0}.wrap{flex-wrap:wrap}
.badge{display:inline-block;font-size:11px;padding:1px 7px;border-radius:10px;background:#eee;color:#444;white-space:nowrap}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#bbb;margin-right:5px}.dot.on{background:var(--ok)}
.tag{display:inline-block;font-size:11px;padding:1px 7px;border-radius:10px;color:#fff}

/* login */
.login{height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#fce4ec,#f3e5f5)}
.login form{background:#fff;padding:32px;border-radius:16px;width:340px;box-shadow:0 10px 40px rgba(0,0,0,.12);display:flex;flex-direction:column;gap:12px}
.login h1{margin:0 0 6px;font-size:20px;color:var(--acc)}.err{color:var(--bad);font-size:13px;min-height:16px}

/* layout */
.layout{display:grid;grid-template-columns:64px 340px 1fr 300px;height:100%}
.nav{background:#1f2937;color:#cbd5e1;display:flex;flex-direction:column;align-items:center;padding:12px 0;gap:6px}
.nav button{background:none;border:0;color:#cbd5e1;width:48px;height:48px;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:10px;gap:2px;position:relative}
.nav button svg{width:22px;height:22px;fill:currentColor}.nav button.on,.nav button:hover{background:#374151;color:#fff}
.nav .cnt{position:absolute;top:4px;right:4px;background:var(--bad);color:#fff;font-size:10px;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 4px}
.nav .me{margin-top:auto;font-size:11px;text-align:center;line-height:1.2}.nav .me b{display:block;color:#fff;font-size:12px;max-width:60px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.list{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.list .hd{padding:12px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.chips{display:flex;gap:6px;flex-wrap:wrap}.chip{border:1px solid var(--line);background:#fff;border-radius:14px;padding:3px 10px;font-size:12px;color:#444}.chip.on{background:var(--txt);color:#fff;border-color:var(--txt)}
.chip.st{border-left:4px solid var(--sc)}
.items{overflow-y:auto;flex:1}
.item{display:flex;gap:10px;padding:10px 12px;border-bottom:1px solid var(--line);cursor:pointer;border-left:4px solid var(--sc,#ccc)}.item:hover{background:#f9fafb}.item.on{background:var(--acc2)}
.item .av{width:36px;height:36px;border-radius:50%;background:var(--sc,#999);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;flex:none;font-size:14px}
.item .t{display:flex;justify-content:space-between;gap:6px}.item .last{color:var(--mut);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item .un{background:var(--acc);color:#fff;font-size:11px;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 5px}
.item .typ{color:#9333ea;font-style:italic}
.main{display:flex;flex-direction:column;min-height:0;background:var(--bg)}
.main .hd{background:#fff;border-bottom:1px solid var(--line);padding:10px 16px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.msgs{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:8px}
.m{max-width:70%;padding:9px 13px;border-radius:14px;white-space:pre-wrap;word-wrap:break-word;line-height:1.45;position:relative}
.m.visitor{align-self:flex-start;background:#fff;border-bottom-left-radius:4px;box-shadow:0 1px 2px rgba(0,0,0,.06)}
.m.operator{align-self:flex-end;background:var(--acc);color:#fff;border-bottom-right-radius:4px}
.m.system{align-self:center;background:none;color:var(--mut);font-size:12px}
.m .ti{display:block;font-size:10px;opacity:.65;margin-top:3px}.m.operator .ti{text-align:right}.m .nm{display:block;font-size:11px;font-weight:600;opacity:.75}
.preview{margin:0 16px;background:#f3e8ff;color:#6b21a8;border-radius:10px;padding:8px 12px;font-size:13px;font-style:italic;min-height:36px}.preview.off{background:#f3f4f6;color:#9ca3af;font-style:normal}
.comp{background:#fff;border-top:1px solid var(--line);padding:10px 16px;display:flex;gap:8px;align-items:flex-end;position:relative}
.comp textarea{flex:1;border:1px solid var(--line);border-radius:10px;padding:10px 12px;resize:none;max-height:140px;outline:0;line-height:1.4}.comp textarea:focus{border-color:var(--acc)}
.qr{position:absolute;bottom:62px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 30px rgba(0,0,0,.12);max-height:260px;overflow-y:auto;z-index:5}
.qr div{padding:8px 12px;cursor:pointer;border-bottom:1px solid #f3f4f6}.qr div:hover,.qr div.on{background:var(--acc2)}.qr b{color:var(--acc);margin-right:6px}.qr small{color:var(--mut);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--mut);flex-direction:column;gap:8px;text-align:center;padding:20px}
.side{background:#fff;border-left:1px solid var(--line);overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:14px;font-size:13px}
.side h4{margin:0 0 6px;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--mut)}
.side .kv{display:grid;grid-template-columns:auto 1fr;gap:3px 10px}.side .kv span:nth-child(odd){color:var(--mut)}
.side .url{word-break:break-all;font-size:12px}
.side textarea{width:100%;min-height:70px}
.ord{border:1px solid var(--line);border-radius:8px;padding:8px;font-size:12px;margin-top:6px}
.tags label{display:inline-flex;align-items:center;gap:4px;margin:0 8px 6px 0;font-size:12px;cursor:pointer}
/* visitantes */
.page{padding:16px;overflow-y:auto;grid-column:2 / span 3;display:flex;flex-direction:column;gap:12px}
table.tb{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden;font-size:13px}
.tb th,.tb td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.tb th{background:#f9fafb;font-weight:600;font-size:12px;color:var(--mut)}
.tb tr:hover td{background:#fafafa}.tb td.url{max-width:320px;word-break:break-all;font-size:12px}
.card{background:#fff;border-radius:var(--r);padding:14px;border:1px solid var(--line)}
.card h3{margin:0 0 10px;font-size:15px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.kpis{display:flex;gap:12px;flex-wrap:wrap}.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 16px;min-width:150px}.kpi b{display:block;font-size:22px}.kpi span{color:var(--mut);font-size:12px}
.form{display:grid;grid-template-columns:140px 1fr;gap:8px 12px;align-items:center}.form label{color:var(--mut);font-size:12px}
.form .full{grid-column:1 / -1}
pre.code{background:#111827;color:#e5e7eb;padding:12px;border-radius:8px;font-size:11px;overflow-x:auto;white-space:pre-wrap;word-break:break-all;user-select:all}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;z-index:50}
.modal .bx{background:#fff;border-radius:14px;padding:20px;width:420px;max-width:95vw;max-height:90vh;overflow-y:auto;display:flex;flex-direction:column;gap:10px}
.modal h3{margin:0}
.toast{position:fixed;bottom:16px;right:16px;background:#111827;color:#fff;padding:10px 16px;border-radius:10px;font-size:13px;z-index:60;box-shadow:0 6px 20px rgba(0,0,0,.2)}
.conn{position:fixed;top:0;left:64px;right:0;background:var(--warn);color:#fff;text-align:center;font-size:12px;padding:3px;z-index:40}
@media(max-width:1100px){.layout{grid-template-columns:64px 300px 1fr}.side{display:none}}