:root{--g:#128c7e;--g2:#25d366;--bg:#f3f5f7;--card:#fff;--tx:#1d2733;--mu:#6b7785;--bd:#e3e8ee;--red:#d93a3a;--amber:#b7791f}
*{box-sizing:border-box}body{margin:0;font:14px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--tx);display:flex;min-height:100vh}
a{color:var(--g);text-decoration:none}a:hover{text-decoration:underline}code{background:#eef1f4;padding:1px 5px;border-radius:4px;font-size:12px}
.side{width:230px;background:#0b2a2a;color:#cfe3e0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex-shrink:0}
.brand{padding:18px;font-weight:700;font-size:17px;color:#fff;display:flex;align-items:center;gap:10px}.brand.big{color:var(--tx);justify-content:center;font-size:22px;margin-bottom:10px}
.logo{background:var(--g2);color:#06231f;border-radius:8px;padding:3px 7px;font-weight:800}
.side nav{flex:1;overflow:auto;padding:4px 10px}.side nav a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:#cfe3e0;margin-bottom:2px}
.side nav a i{font-style:normal;width:18px;text-align:center;opacity:.8}.side nav a:hover{background:#12403f;text-decoration:none}.side nav a.on{background:var(--g);color:#fff}
.me{padding:14px 18px;border-top:1px solid #1b4846;color:#fff}.me small{display:block;color:#8fb3ae;text-transform:capitalize}.me a{color:#8fe6d6;font-size:12px}
.main{flex:1;min-width:0;padding:22px 28px}.top{display:flex;align-items:center;margin-bottom:16px}.top h1{margin:0;font-size:22px}
.card{background:var(--card);border:1px solid var(--bd);border-radius:12px;padding:18px;margin-bottom:16px}.card.flush{padding:0;overflow-x:auto}.card h3{margin:0 0 12px;font-size:15px}.card.narrow{max-width:420px;margin:60px auto}
.authpage{display:block}.authpage .main{max-width:100%}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}@media(max-width:1000px){.grid2{grid-template-columns:1fr}.side{width:68px}.side nav a{font-size:0;padding:12px}.side nav a i{font-size:16px;width:auto}.brand,.me{display:none}}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-bottom:16px}.stat{background:var(--card);border:1px solid var(--bd);border-radius:12px;padding:14px 16px}.stat b{font-size:26px;display:block}.stat span{color:var(--mu);font-size:12px}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--bd);vertical-align:top}th{font-size:12px;color:var(--mu);font-weight:600;background:#fafbfc;white-space:nowrap}td.wrap{max-width:380px;white-space:normal}td.act{white-space:nowrap}
.btn{background:var(--g);color:#fff;border:0;border-radius:8px;padding:9px 16px;font-weight:600;cursor:pointer;font-size:14px;display:inline-block}.btn:hover{filter:brightness(1.08);text-decoration:none}
.btn.sm{padding:7px 12px;font-size:13px}.btn.xs{padding:4px 9px;font-size:12px}.btn.ghost{background:#fff;color:var(--tx);border:1px solid var(--bd)}.btn.danger{background:#fff;color:var(--red);border:1px solid #f1c3c3}
input,select,textarea{font:inherit;border:1px solid var(--bd);border-radius:8px;padding:8px 10px;background:#fff;color:var(--tx);width:100%}input[type=checkbox],input[type=radio]{width:auto}input[type=color]{padding:2px;height:36px}
textarea{resize:vertical}textarea.code,input.code{font-family:ui-monospace,Consolas,monospace;font-size:12px;background:#f7f9fb}
.form{display:flex;flex-direction:column;gap:12px}.form label,.lbl{display:flex;flex-direction:column;gap:4px;font-size:12px;font-weight:600;color:var(--mu)}.form label input,.form label select,.form label textarea{font-weight:400;color:var(--tx)}
.row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}.row>*{flex:1;min-width:120px}.row>.btn{flex:0 0 auto}.row3{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end}
label.chk{flex-direction:row;align-items:center;gap:8px;font-weight:500;color:var(--tx)}form.inline{display:inline-flex;gap:6px;align-items:center;margin:0}form.inline input,form.inline select{width:auto}.wrapform{flex-wrap:wrap;margin-top:14px}
.bar{display:flex;gap:8px;align-items:center;margin-bottom:12px;flex-wrap:wrap}.sp{flex:1}.muted{color:var(--mu)}.small{font-size:12px}
.badge{display:inline-block;padding:2px 9px;border-radius:12px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.3px}.badge.green{background:#dcf5e7;color:#14753f}.badge.amber{background:#fdf0d5;color:var(--amber)}.badge.red{background:#fde2e2;color:var(--red)}.badge.gray{background:#e9edf1;color:var(--mu)}
.tag{background:#e7f3f1;color:var(--g);border-radius:10px;padding:1px 8px;font-size:11px;margin-right:4px}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;background:#dcf5e7;color:#14753f}.flash.err{background:#fde2e2;color:var(--red)}.flash.warn{background:#fdf0d5;color:var(--amber)}
dialog{border:0;border-radius:14px;padding:22px;width:min(560px,94vw);box-shadow:0 20px 60px rgba(0,0,0,.3)}dialog::backdrop{background:rgba(10,20,30,.45)}
.li{display:flex;gap:8px;align-items:center;padding:7px 0;border-bottom:1px solid var(--bd)}.li:last-child{border:0}.r{margin-left:auto;display:flex;gap:6px;align-items:center}.wbox{padding:10px 0;border-bottom:1px solid var(--bd)}.wbox:last-child{border:0}
.pg{padding:2px 7px;border-radius:5px}.pg.on{background:var(--g);color:#fff}
.bars{display:flex;gap:12px;height:150px;align-items:flex-end}.bargrp{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end}.pair{display:flex;gap:3px;align-items:flex-end;height:120px;width:100%;justify-content:center}
.b{display:block;width:40%;min-height:2px;border-radius:4px 4px 0 0}.b.in{background:#7fd1c4}.b.out{background:var(--g)}.dot{display:inline-block;width:10px;height:10px;border-radius:3px}.dot.in{background:#7fd1c4}.dot.out{background:var(--g)}
.bubble{background:#dcf8c6;border-radius:10px;padding:10px 12px;white-space:pre-wrap;font-size:13px;display:none}.bubble:not(:empty){display:block}

/* builder */
.builder{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px;align-items:start}@media(max-width:1100px){.builder{grid-template-columns:1fr}}
.node{background:var(--card);border:1px solid var(--bd);border-left:4px solid var(--g);border-radius:10px;margin-bottom:10px}.node.t-question{border-left-color:#3b82f6}.node.t-choice{border-left-color:#8b5cf6}.node.t-tag{border-left-color:#f59e0b}.node.t-handoff{border-left-color:#ef4444}.node.t-end{border-left-color:#6b7785}
.nh{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--bd);background:#fafbfc;border-radius:10px 10px 0 0}.num{background:#0b2a2a;color:#fff;width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:12px}
.nb{padding:12px;display:flex;flex-direction:column;gap:10px}.nb label{display:flex;flex-direction:column;gap:4px;font-size:12px;font-weight:600;color:var(--mu)}.opt{display:flex;gap:6px;margin-bottom:6px}.opt select{max-width:200px}
.addrow{display:flex;gap:6px;align-items:center;flex-wrap:wrap;padding:10px 0}.savebar{position:sticky;bottom:0;background:var(--bg);padding:12px 0;display:flex;gap:12px;align-items:center}.checks{display:flex;flex-direction:column;gap:6px}
.phone{background:#fff;border:1px solid var(--bd);border-radius:18px;overflow:hidden;position:sticky;top:20px;display:flex;flex-direction:column;height:560px}.phead{background:var(--g);color:#fff;padding:12px 14px;font-weight:600;display:flex;justify-content:space-between;align-items:center}
.pbody{flex:1;overflow-y:auto;background:#efeae2;padding:12px;display:flex;flex-direction:column;gap:7px}.pbody .m{max-width:84%;padding:8px 11px;border-radius:10px;font-size:13px}.pbody .m.bot{background:#fff;align-self:flex-start}.pbody .m.me{background:#d9fdd3;align-self:flex-end}.pbody .m.sys{align-self:center;color:var(--mu);font-size:11px}
.chips{display:flex;flex-wrap:wrap;gap:6px}.chips button{background:#fff;border:1px solid var(--g);color:var(--g);border-radius:16px;padding:5px 12px;cursor:pointer;font-weight:600}.pfoot{display:flex;gap:6px;padding:8px;background:#f7f7f7}

/* inbox */
.inboxpage .main{padding:0;display:flex;flex-direction:column;height:100vh}.inboxpage .top{padding:14px 22px;margin:0;border-bottom:1px solid var(--bd);background:#fff}
.inbox{flex:1;display:flex;min-height:0}.ilist{width:330px;border-right:1px solid var(--bd);background:#fff;display:flex;flex-direction:column;flex-shrink:0}.ilist>input{margin:10px;width:calc(100% - 20px)}
.itabs{display:flex;border-bottom:1px solid var(--bd)}.itabs button{flex:1;border:0;background:none;padding:10px 4px;cursor:pointer;font-weight:600;color:var(--mu);border-bottom:2px solid transparent}.itabs button.on{color:var(--g);border-color:var(--g)}
#convs{overflow-y:auto;flex:1}.conv{display:flex;gap:10px;padding:11px 14px;border-bottom:1px solid #f0f2f4;cursor:pointer;align-items:center}.conv:hover{background:#f7f9fa}.conv.on{background:#e7f3f1}
.av{width:38px;height:38px;border-radius:50%;background:var(--g);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.cm{flex:1;min-width:0}.cn{display:flex;justify-content:space-between;gap:6px}.cn small{color:var(--mu);white-space:nowrap}
.cp{color:var(--mu);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}.ub{background:var(--g2);color:#06231f;border-radius:10px;min-width:20px;text-align:center;font-size:11px;font-weight:700;padding:2px 6px}
.ithread{flex:1;display:flex;flex-direction:column;min-width:0;background:#efeae2}.empty{margin:auto;color:var(--mu)}.thead{display:flex;gap:10px;align-items:center;padding:10px 16px;background:#fff;border-bottom:1px solid var(--bd)}.thead select{width:auto}
.tbody{flex:1;display:flex;min-height:0}.tmain{flex:1;display:flex;flex-direction:column;min-width:0}.msgs{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:6px}
.msg{display:flex}.msg.out{justify-content:flex-end}.mb{max-width:68%;padding:7px 11px;border-radius:9px;background:#fff;box-shadow:0 1px 1px rgba(0,0,0,.08);word-wrap:break-word}.msg.out .mb{background:#d9fdd3}.mb small{display:block;text-align:right;color:var(--mu);font-size:10px;margin-top:2px}.tk.read{color:#34b7f1}.tk.failed{color:var(--red)}.mb .err{color:var(--red);font-size:11px}
.composer{display:flex;gap:8px;padding:10px;background:#f0f2f5}.composer textarea{border-radius:20px}.winwarn{display:none;background:#fdf0d5;color:var(--amber);padding:10px 14px}.winwarn .row{margin-top:8px}.winwarn input{margin-top:6px}
.tinfo{width:240px;background:#fff;border-left:1px solid var(--bd);padding:14px;overflow-y:auto}.tinfo h4{margin:14px 0 6px;font-size:12px;text-transform:uppercase;color:var(--mu)}@media(max-width:1200px){.tinfo{display:none}.tinfo.show{display:block;position:absolute;right:0;top:120px;box-shadow:-4px 0 20px rgba(0,0,0,.15);height:60vh}}

.msg.sys{justify-content:center}.sysnote{background:#e1f2fb;color:#445;font-size:12px;padding:3px 12px;border-radius:10px}