:root{--blue:#0B5BD3;--blue2:#1E88E5;--ink:#0F1B2D;--green:#1F9D6A;--coral:#E8553D;--bg:#f2f5fa;--card:#fff;--line:#e3e8f0;--muted:#6b7686;--bubble-in:#ffffff;--bubble-out:#dbeafe}
*{box-sizing:border-box}
html{color-scheme:light}
html,body{margin:0;height:100%;font-family:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:14.5px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--blue)}
.center{height:100vh;display:flex;align-items:center;justify-content:center}
.spinner{width:34px;height:34px;border:4px solid #cfd8e6;border-top-color:var(--blue);border-radius:50%;animation:sp 1s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 18px;border-radius:12px;font-weight:600;opacity:0;pointer-events:none;transition:.25s;z-index:99;max-width:90vw}
#toast.on{opacity:1}
#toast.err{background:var(--coral)}

/* ---- login ---- */
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(140deg,#0B3D91,#1E88E5);padding:20px}
.login .box{background:#fff;border-radius:22px;padding:34px 30px;width:100%;max-width:420px;box-shadow:0 30px 80px rgba(0,0,0,.3);text-align:center}
.login img{width:84px;height:84px;border-radius:20px}
.login h1{margin:12px 0 4px;font-size:24px} .login p{color:var(--muted);margin:0 0 18px;line-height:1.45}
.phone{display:flex;gap:8px} .phone select{width:110px}
.code{font-size:34px;letter-spacing:8px;font-weight:800;margin:10px 0}
.steps{text-align:left;background:#f2f5fa;border-radius:12px;padding:12px 14px;font-size:13.5px;line-height:1.5}

/* ---- inputs ---- */
input,select,textarea{width:100%;padding:11px 12px;border:1.5px solid var(--line);border-radius:11px;background:#fff !important;color:#0F1B2D !important;-webkit-text-fill-color:#0F1B2D;caret-color:#0B5BD3;outline:none}
input::placeholder,textarea::placeholder{color:#8a94a6;-webkit-text-fill-color:#8a94a6}
input:focus,select:focus,textarea:focus{border-color:var(--blue2)}
textarea{min-height:80px;resize:vertical}
label{display:block;font-size:12.5px;font-weight:700;color:var(--muted);margin:10px 0 4px;text-transform:uppercase;letter-spacing:.4px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border-radius:11px;border:none;background:var(--blue);color:#fff;font-weight:800}
.btn.sec{background:#e9eef7;color:var(--ink)} .btn.green{background:var(--green)} .btn.red{background:var(--coral)} .btn.sm{padding:6px 11px;font-size:13px;border-radius:9px}
.btn:disabled{opacity:.5;cursor:default}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:700px){.grid2{grid-template-columns:1fr}}
.card{background:var(--card);border-radius:16px;padding:18px;box-shadow:0 2px 12px rgba(0,0,0,.04);margin-bottom:14px}
.card h2{margin:0 0 4px;font-size:18px} .card h3{margin:14px 0 6px;font-size:15px}
.hint{color:var(--muted);font-size:13px;line-height:1.45}
.chip{display:inline-block;padding:3px 9px;border-radius:99px;background:#e9eef7;font-size:12px;font-weight:700}
.chip.g{background:#dff3e8;color:#116b45} .chip.o{background:#fff1e0;color:#9a4b00} .chip.b{background:#dbeafe;color:#0B5BD3} .chip.r{background:#fde2dc;color:#a12a16}
table{width:100%;border-collapse:collapse} td,th{padding:9px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle;font-size:13.5px} th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--blue2);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;flex:none;overflow:hidden;font-size:15px}
.avatar img{width:100%;height:100%;object-fit:cover}
.avatar.sm{width:30px;height:30px;font-size:12px}
.empty{padding:40px 20px;text-align:center;color:var(--muted)}
.modal-bg{position:fixed;inset:0;background:rgba(15,27,45,.45);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}
.modal{background:#fff;border-radius:18px;padding:22px;width:100%;max-width:560px;max-height:92vh;overflow:auto}
.modal h2{margin:0 0 10px}

/* ---- layout ---- */
.shell{display:grid;grid-template-columns:230px 1fr;height:100vh}
.side{background:#0f1b2d;color:#fff;display:flex;flex-direction:column;padding:14px 10px}
.side .brand{display:flex;align-items:center;gap:10px;padding:8px 10px 14px;font-weight:800;font-size:17px}
.side .brand img{width:36px;height:36px;border-radius:9px}
.side .biz{background:rgba(255,255,255,.08);border-radius:12px;padding:10px;margin-bottom:10px;font-size:13px}
.side .biz b{display:block;font-size:14px}
.side nav a{display:flex;align-items:center;gap:10px;color:#cfd8e6;text-decoration:none;padding:10px 12px;border-radius:10px;font-weight:600;margin-bottom:2px}
.side nav a.on,.side nav a:hover{background:rgba(255,255,255,.12);color:#fff}
.side nav a .n{margin-left:auto;background:var(--coral);color:#fff;border-radius:99px;font-size:11px;padding:1px 7px}
.side .foot{margin-top:auto;font-size:12px;color:#9fb0c7;padding:10px}
.side .foot a{color:#cfd8e6}
.main{overflow:auto;padding:22px 26px}
.main h1{margin:0 0 14px;font-size:24px}
.topbar{display:none}
@media(max-width:860px){
  .shell{grid-template-columns:1fr;grid-template-rows:auto 1fr}
  .side{flex-direction:row;align-items:center;overflow-x:auto;padding:8px}
  .side .brand{padding:0 8px} .side .brand span{display:none} .side .biz,.side .foot{display:none}
  .side nav{display:flex;gap:2px} .side nav a{padding:8px 10px;white-space:nowrap;font-size:13px}
  .main{padding:14px}
}

/* ---- chats ---- */
.chats{display:grid;grid-template-columns:330px 1fr;height:calc(100vh - 44px);background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.05)}
.clist{border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0}
.clist .search{padding:10px;border-bottom:1px solid var(--line)}
.clist .filters{display:flex;gap:4px;padding:6px 10px;border-bottom:1px solid var(--line);overflow-x:auto}
.clist .filters button{border:none;background:#eef2f9;border-radius:99px;padding:4px 10px;font-size:12px;font-weight:700;white-space:nowrap} .clist .filters button.on{background:var(--blue);color:#fff}
.clist .items{overflow:auto;flex:1}
.citem{display:flex;gap:10px;padding:10px 12px;cursor:pointer;border-bottom:1px solid #f0f3f8;align-items:center}
.citem:hover{background:#f6f8fc} .citem.on{background:#e8f0fe}
.citem .t{flex:1;min-width:0} .citem b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis} .citem small{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
.citem .meta{text-align:right;font-size:11px;color:var(--muted)} .citem .meta .n{display:inline-block;background:var(--green);color:#fff;border-radius:99px;padding:1px 7px;font-weight:800;margin-top:3px}
.conv{display:flex;flex-direction:column;min-width:0}
.conv .head{display:flex;gap:10px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line)}
.conv .head .t{flex:1;min-width:0} .conv .head b{display:block} .conv .head small{color:var(--muted)}
.conv .msgs{flex:1;overflow:auto;padding:14px;background:#f2f5fa;display:flex;flex-direction:column;gap:6px}
.msg{max-width:72%;padding:8px 12px;border-radius:14px;background:var(--bubble-in);box-shadow:0 1px 2px rgba(0,0,0,.06);white-space:pre-wrap;word-break:break-word;line-height:1.35}
.msg.out{align-self:flex-end;background:var(--bubble-out)} .msg.note{align-self:center;background:#fff7d6;font-size:13px;max-width:90%}
.msg .m{font-size:11px;color:var(--muted);margin-top:4px;text-align:right}
.msg img{max-width:280px;border-radius:10px;display:block}
.msg .data{background:rgba(0,0,0,.05);border-radius:8px;padding:6px 8px;font-size:13px;margin-top:4px}
.conv .compose{border-top:1px solid var(--line);padding:10px;display:flex;gap:8px;align-items:flex-end}
.conv .compose textarea{min-height:44px;max-height:160px}
.conv .quick{display:flex;gap:6px;padding:0 10px 8px;flex-wrap:wrap} .conv .quick button{border:1px solid var(--line);background:#fff;border-radius:99px;padding:4px 10px;font-size:12px}
.daysep{align-self:center;font-size:11px;color:var(--muted);background:#e5ebf5;border-radius:99px;padding:2px 10px;margin:6px 0}
@media(max-width:860px){.chats{grid-template-columns:1fr;height:calc(100vh - 90px)} .chats.open .clist{display:none} .chats:not(.open) .conv{display:none} .msg{max-width:88%}}

/* ---- metricas ---- */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:14px}
.kpi{background:#fff;border-radius:14px;padding:14px;box-shadow:0 2px 12px rgba(0,0,0,.04)} .kpi b{display:block;font-size:26px} .kpi span{color:var(--muted);font-size:12.5px}
.bars{display:flex;align-items:flex-end;gap:4px;height:140px;padding-top:10px} .bars div{flex:1;background:var(--blue2);border-radius:4px 4px 0 0;min-width:4px;position:relative} .bars div.o{background:#9ec5f5}
.bars div:hover::after{content:attr(data-t);position:absolute;bottom:100%;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;font-size:11px;padding:2px 6px;border-radius:6px;white-space:nowrap}
.prod{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line)} .prod .bar{flex:1;height:8px;background:#eef2f9;border-radius:99px;overflow:hidden} .prod .bar i{display:block;height:100%;background:var(--green)}

/* ---- productos ---- */
.pimg{width:44px;height:44px;border-radius:8px;object-fit:cover;background:#eef2f9}
.rule{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--line);border-radius:14px;margin-bottom:10px;background:#fff}
.rule .ic{font-size:26px} .rule .t{flex:1} .rule b{display:block} .rule small{color:var(--muted)}
.switch{width:44px;height:26px;border-radius:99px;background:#cfd8e6;position:relative;border:none;flex:none} .switch::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;background:#fff;border-radius:50%;transition:.2s} .switch.on{background:var(--green)} .switch.on::after{left:21px}
.dz{border:2px dashed #cfd8e6;border-radius:14px;padding:22px;text-align:center;color:var(--muted)}

.pad{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px}
.pad button{padding:12px 0;border:1.5px solid var(--line);border-radius:10px;background:#f7f9fc;font-size:18px;font-weight:700}
.pad button:active{background:#e3ecff}