:root{--r:#f54930;--r2:#d0121a;--b:#563232;--bg:#f6f2ee;--card:#fff;--soft:#faf6f2;--line:#ece2d8;--muted:#8a7a74;--text:#2b2222;
--wa:#25d366;--fb:#1877f2;--ig:#d62976;--ok:#1f9d55;--amber:#c77700;--blue:#1d6fd6;--bubble-in:#fff;--bubble-out:#fde9e4;--bubble-bot:#eef5ff}
@media (prefers-color-scheme:dark){:root{--bg:#1b1616;--card:#241e1e;--soft:#2c2424;--line:#3a3030;--muted:#a8978f;--text:#f1e9e4;--b:#f3d9cf;--bubble-in:#2c2424;--bubble-out:#4a2a24;--bubble-bot:#1f2a3a}}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow-x:hidden;background:var(--bg);color:var(--text);font:14px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
[hidden]{display:none!important}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:8px 10px;width:100%}
textarea{resize:vertical}
a{color:var(--r)}
.btn{border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:10px;padding:7px 12px;font-weight:600;white-space:nowrap}
.btn:hover{border-color:var(--r)}
.btn.primary{background:var(--r);border-color:var(--r);color:#fff}
.btn.primary:hover{background:var(--r2)}
.btn.ghost{background:transparent}
.btn.small{padding:4px 10px;font-size:12.5px}
.btn.wide{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
.icon-btn{border:0;background:transparent;font-size:17px;width:34px;height:34px;border-radius:10px;color:var(--text);flex:none}
.icon-btn:hover{background:var(--soft)}
.brand{font-weight:700;color:var(--b);display:flex;align-items:center;gap:8px;font-size:15px}
.brand b{color:var(--r)}
.brand .dot{width:12px;height:12px;border-radius:50%;background:var(--r);box-shadow:0 0 0 4px #f5493033}

/* Login */
.login{min-height:100%;display:grid;place-items:center;padding:16px}
.login-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;width:100%;max-width:360px;display:grid;gap:14px}
.login-card label{display:grid;gap:4px;font-size:12.5px;color:var(--muted);font-weight:600}
.err{color:var(--r2);margin:0;font-size:13px}

/* Estructura */
.app{height:100%;display:flex;flex-direction:column;overflow:hidden}
.top{display:flex;align-items:center;gap:12px;padding:8px 14px;background:var(--card);border-bottom:1px solid var(--line)}
.switches{display:flex;gap:6px;flex-wrap:wrap;flex:1}
.sw{font-size:11.5px;padding:3px 9px;border-radius:999px;background:var(--soft);color:var(--muted);font-weight:600}
.sw.on{background:#e3f6ea;color:var(--ok)}
.sw.off::before{content:"● ";color:#bbb}.sw.on::before{content:"● ";color:var(--ok)}
.top-actions{display:flex;align-items:center;gap:6px}
.me{font-size:12.5px;color:var(--muted)}
.layout{flex:1;display:grid;grid-template-columns:330px minmax(0,1fr) 320px;min-height:0}
.list-pane,.info-pane{background:var(--card);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.info-pane{border-right:0;border-left:1px solid var(--line);overflow:auto}
.chat-pane{display:flex;flex-direction:column;min-height:0;min-width:0}

/* Lista */
.filters{display:flex;gap:4px;padding:10px 10px 4px;flex-wrap:wrap}
.filters button{border:0;background:var(--soft);color:var(--text);border-radius:999px;padding:5px 10px;font-size:12.5px;font-weight:600;white-space:nowrap}
.filters button.on{background:var(--b);color:#fff}
.filters button i{font-style:normal;opacity:.75;margin-left:4px}
.search{padding:6px 10px 8px}
.conv-list{list-style:none;margin:0;padding:0;overflow:auto;flex:1}
.conv{display:flex;gap:10px;padding:10px 12px;border-top:1px solid var(--line);cursor:pointer;align-items:flex-start}
.conv:hover{background:var(--soft)}
.conv.on{background:#fdeee9}
@media (prefers-color-scheme:dark){.conv.on{background:#3a2622}}
.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:700;color:#fff;flex:none;position:relative;background:var(--b)}
.avatar .ch{position:absolute;right:-3px;bottom:-3px;width:16px;height:16px;border-radius:50%;border:2px solid var(--card);font-size:8px;display:grid;place-items:center;color:#fff}
.ch.whatsapp{background:var(--wa)}.ch.messenger{background:var(--fb)}.ch.instagram{background:linear-gradient(45deg,#f58529,#dd2a7b,#8134af)}
.conv-main{flex:1;min-width:0}
.conv-top{display:flex;justify-content:space-between;gap:6px}
.conv-name{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv-time{font-size:11.5px;color:var(--muted);flex:none}
.conv-prev{font-size:12.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:1px 0 4px}
.conv-tags{display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.pill{font-size:10.5px;font-weight:700;padding:1px 7px;border-radius:999px;background:var(--soft);color:var(--muted)}
.pill.bot{background:#e8f0ff;color:var(--blue)}.pill.human{background:#fff1dc;color:var(--amber)}.pill.closed{background:#eee;color:#777}
.pill.dep{background:#f6e9ff;color:#7a3fd1}
.badge{margin-left:auto;background:var(--r);color:#fff;border-radius:999px;font-size:11px;font-weight:700;padding:1px 7px}
.list-empty{padding:30px 16px;text-align:center;color:var(--muted)}

/* Chat */
.empty-state{flex:1;display:grid;place-items:center;align-content:center;color:var(--muted)}
.empty-icon{font-size:44px;text-align:center}
.chat{flex:1;display:flex;flex-direction:column;min-height:0}
.chat-head{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--card);border-bottom:1px solid var(--line)}
.chat-head .back{display:none}
.who{flex:1;min-width:0}
.who-name{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.who-sub{font-size:12px;color:var(--muted);display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.chat-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.chat-actions select{width:auto;padding:4px 8px;font-size:12.5px}
.messages{flex:1;overflow:auto;padding:16px 4% 10px;display:flex;flex-direction:column;gap:6px}
.msg{max-width:min(560px,80%);padding:7px 11px 5px;border-radius:14px;background:var(--bubble-in);border:1px solid var(--line);align-self:flex-start;word-wrap:break-word;white-space:pre-wrap}
.msg.out{align-self:flex-end;background:var(--bubble-out);border-color:transparent}
.msg.bot{background:var(--bubble-bot)}
.msg.phone{background:#e9f9ef}
@media (prefers-color-scheme:dark){.msg.phone{background:#1f3326}}
.msg .meta{font-size:10.5px;color:var(--muted);margin-top:3px;text-align:right;white-space:nowrap}
.msg .who-tag{font-size:10.5px;font-weight:700;color:var(--muted);margin-bottom:2px}
.msg img,.msg video{max-width:100%;max-height:320px;border-radius:10px;display:block;margin:2px 0}
.msg audio{max-width:260px}
.msg.unsent{opacity:.65;border:1px dashed var(--muted)}
.sys{align-self:center;font-size:11.5px;color:var(--muted);background:var(--soft);padding:3px 10px;border-radius:999px;margin:4px 0}
.day{align-self:center;font-size:11px;color:var(--muted);margin:8px 0 2px;font-weight:700}
.window-warn{margin:0 12px 6px;padding:8px 12px;border-radius:10px;background:#fff1dc;color:#7a4b00;font-size:12.5px}
.composer{position:relative;display:flex;gap:6px;align-items:flex-end;padding:8px 12px calc(8px + env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--line)}
.composer textarea{min-height:40px;max-height:180px;resize:none;border-radius:12px}
.qr-pop{position:absolute;left:12px;right:12px;bottom:100%;margin-bottom:6px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 30px #0002;max-height:300px;overflow:auto;z-index:5}
.qr-pop button{display:block;width:100%;text-align:left;border:0;background:transparent;padding:8px 12px;border-top:1px solid var(--line);color:var(--text)}
.qr-pop button:first-child{border-top:0}
.qr-pop button:hover,.qr-pop button.on{background:var(--soft)}
.qr-pop b{display:block;font-size:12.5px}.qr-pop span{font-size:12px;color:var(--muted);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Panel cliente */
.info-head{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-bottom:1px solid var(--line)}
.info-head .icon-btn{display:none}
.sec{padding:12px;border-bottom:1px solid var(--line)}
.sec h4{margin:0 0 8px;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.kv{display:grid;grid-template-columns:70px 1fr;gap:4px 8px;font-size:13px}
.kv span{color:var(--muted)}
.order{border:1px solid var(--line);border-radius:10px;padding:8px 10px;margin-bottom:6px;font-size:12.5px}
.order-top{display:flex;justify-content:space-between;gap:6px;font-weight:700}
.order-state{display:inline-flex;align-items:center;gap:5px;color:var(--muted);font-size:12px}
.order-state i{width:8px;height:8px;border-radius:50%;display:inline-block}
.order-actions{display:flex;gap:6px;margin-top:6px;flex-wrap:wrap}
.note{background:#fff8d6;border-radius:10px;padding:7px 10px;margin-bottom:6px;font-size:12.5px;white-space:pre-wrap;color:#3d3300}
.note small{display:block;color:#8a7a3a;margin-top:2px}
.muted{color:var(--muted);font-size:12.5px}

/* Ajustes */
.dlg{border:0;border-radius:16px;padding:0;width:min(760px,96vw);max-height:90vh;background:var(--card);color:var(--text)}
.dlg::backdrop{background:#0006}
.dlg-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line)}
.tabs{display:flex;gap:4px;padding:10px 16px 0;flex-wrap:wrap}
.tabs button{border:0;background:var(--soft);border-radius:999px;padding:5px 12px;font-weight:600;font-size:12.5px;color:var(--text)}
.tabs button.on{background:var(--b);color:#fff}
.dlg-body{padding:14px 16px 18px;overflow:auto;max-height:70vh;display:grid;gap:10px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.tbl{width:100%;border-collapse:collapse;font-size:12.5px}
.tbl td,.tbl th{border-top:1px solid var(--line);padding:6px 4px;text-align:left;vertical-align:top}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--b);color:#fff;padding:9px 16px;border-radius:12px;font-size:13px;z-index:50;max-width:92vw}
.toast.bad{background:var(--r2)}

/* Responsive */
@media (max-width:1180px){
  .layout{grid-template-columns:300px minmax(0,1fr)}
  .info-pane{position:fixed;top:0;right:0;bottom:0;width:min(360px,92vw);z-index:20;transform:translateX(100%);transition:transform .2s,visibility .2s;visibility:hidden;box-shadow:-10px 0 30px #0002}
  .info-pane.open{transform:none;visibility:visible}
  .info-head .icon-btn{display:inline-block}
}
@media (max-width:760px){
  .top{padding:6px 10px;gap:6px}
  .switches,.me{display:none}
  .layout{grid-template-columns:minmax(0,1fr)}
  .chat-pane{display:none}
  .layout.chatting .list-pane{display:none}
  .layout.chatting .chat-pane{display:flex}
  .chat-head .back{display:inline-block}
  .chat-actions .btn{padding:4px 8px;font-size:12px}
  .msg{max-width:88%}
}

.chip-ch{color:#fff;font-size:10.5px;font-weight:700;padding:1px 7px;border-radius:6px}
.chip-ch.whatsapp{background:#1da851}.chip-ch.messenger{background:var(--fb)}.chip-ch.instagram{background:linear-gradient(45deg,#f58529,#dd2a7b,#8134af)}
@media (max-width:760px){
  .chat-head{flex-wrap:wrap;row-gap:6px}
  .who{min-width:0;flex:1 1 60%}
  .chat-actions{order:3;width:100%;justify-content:flex-start}
  .chat-actions select{flex:1;min-width:0}
}