:root{
  --bg:#0f1419; --panel:#171e27; --panel2:#1e2733; --line:#2a3645;
  --txt:#e6edf3; --muted:#8a99a8; --acc:#25d366; --acc2:#128c7e;
  --danger:#ef4444; --warn:#f59e0b; --radius:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--txt);font-size:14px}
.app{display:flex;min-height:100vh}
.sidebar{width:250px;background:var(--panel);border-right:1px solid var(--line);padding:18px;display:flex;flex-direction:column;gap:6px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.logo{width:42px;height:42px;border-radius:11px;background:var(--acc);color:#063;display:flex;align-items:center;justify-content:center;font-weight:800}
.brand b{display:block} .brand span{font-size:11px;color:var(--muted)}
nav{display:flex;flex-direction:column;gap:4px}
.nav{background:none;border:none;color:var(--muted);text-align:left;padding:11px 13px;border-radius:9px;cursor:pointer;font-size:14px}
.nav:hover{background:var(--panel2);color:var(--txt)}
.nav.active{background:var(--acc2);color:#fff}
.warn-box{margin-top:auto;background:#3a2a0a;border:1px solid var(--warn);color:#ffd98a;padding:10px;border-radius:9px;font-size:11.5px;line-height:1.5}
.content{flex:1;padding:30px 36px;max-width:1100px}
.tab{display:none} .tab.active{display:block}
h1{font-size:22px;margin-bottom:6px} h3{margin:18px 0 10px}
.muted{color:var(--muted);font-size:12.5px;line-height:1.6}
code{background:var(--panel2);padding:1px 6px;border-radius:5px;font-size:12px;color:var(--acc)}
input,textarea,select{width:100%;background:var(--panel2);border:1px solid var(--line);color:var(--txt);padding:10px 12px;border-radius:9px;font-size:14px;font-family:inherit;margin:5px 0}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--acc)}
label{display:block;margin-top:12px;font-size:13px;color:var(--muted)}
.row{display:flex;gap:10px;align-items:center;margin:12px 0}
.row.spread{justify-content:space-between}
.row input{margin:0}
.btn{background:var(--panel2);border:1px solid var(--line);color:var(--txt);padding:10px 16px;border-radius:9px;cursor:pointer;font-size:14px;white-space:nowrap}
.btn:hover{border-color:var(--acc)}
.btn.primary{background:var(--acc);border-color:var(--acc);color:#053} .btn.primary:hover{background:#2ee975}
.btn.danger{background:none;border-color:var(--danger);color:var(--danger)}
.btn.small{padding:6px 11px;font-size:12.5px}
.btn.big{margin-top:18px;width:100%;padding:13px;font-weight:600}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cards{display:flex;flex-direction:column;gap:12px;margin-top:14px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.card .qr img{width:200px;border-radius:9px;background:#fff;padding:8px;margin-top:10px}
.badge{font-size:11px;padding:3px 9px;border-radius:20px;font-weight:600}
.badge.connected{background:#0c3d24;color:var(--acc)} .badge.connecting,.badge.qr,.badge.loading{background:#3a2a0a;color:var(--warn)}
.badge.disconnected{background:#3a1414;color:#ff8a8a}
.table-wrap{max-height:420px;overflow:auto;border:1px solid var(--line);border-radius:var(--radius);margin-top:10px}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);font-size:13px}
th{background:var(--panel2);position:sticky;top:0;color:var(--muted)}
.tabs-mini{display:flex;gap:6px;margin:8px 0}
.mini{background:var(--panel2);border:1px solid var(--line);color:var(--muted);padding:7px 13px;border-radius:8px;cursor:pointer;font-size:12.5px}
.mini.active{background:var(--acc2);color:#fff;border-color:var(--acc2)}
.target-pane.hidden,.hidden{display:none}
.picker{max-height:300px;overflow:auto;border:1px solid var(--line);border-radius:9px;padding:8px;margin-top:8px}
.picker label{display:flex;align-items:center;gap:8px;margin:0;padding:5px;color:var(--txt);cursor:pointer}
.picker label:hover{background:var(--panel2)}
.picker input{width:auto;margin:0}
.summary{margin-top:12px;padding:10px;background:var(--panel2);border-radius:9px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.chip{display:flex;align-items:center;gap:6px;background:var(--panel2);border:1px solid var(--line);padding:6px 11px;border-radius:20px;font-size:12.5px;cursor:pointer}
.chip input{width:auto;margin:0}
.cat-chip{display:inline-flex;align-items:center;gap:7px;background:var(--panel2);border:1px solid var(--line);padding:6px 11px;border-radius:20px;font-size:12.5px}
.cat-chip.active{border-color:var(--acc);background:rgba(37,211,102,.12)}
.cat-chip .cat-name{cursor:pointer}
.cat-chip .cat-act{cursor:pointer;opacity:.7;font-size:12px}
.cat-chip .cat-act:hover{opacity:1}
.progress{height:10px;background:var(--panel2);border-radius:20px;overflow:hidden;margin:12px 0}
.bar{height:100%;background:var(--acc);width:0;transition:width .3s}
.stats{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:12px;font-size:13px}
.log{background:#0a0e13;border:1px solid var(--line);border-radius:9px;padding:12px;max-height:320px;overflow:auto;font-family:'Consolas',monospace;font-size:12px;line-height:1.6}
.log .ok{color:var(--acc)} .log .error{color:#ff8a8a} .log .warn{color:var(--warn)} .log .info{color:var(--muted)}
.log .time{color:#556}
.switch-row{display:flex;align-items:center;gap:9px;margin:12px 0}
.switch-row input{width:auto;margin:0}
.toast{position:fixed;bottom:24px;right:24px;background:var(--panel2);border:1px solid var(--acc);color:var(--txt);padding:13px 18px;border-radius:10px;opacity:0;transform:translateY(10px);transition:.3s;pointer-events:none;max-width:340px}
.toast.show{opacity:1;transform:translateY(0)}
.toast.err{border-color:var(--danger)}
.campaign-row{display:flex;justify-content:space-between;align-items:center;cursor:pointer}
.login-overlay{position:fixed;inset:0;background:rgba(8,12,16,.96);display:none;align-items:center;justify-content:center;z-index:1000}
.login-overlay.show{display:flex}
.login-box{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:32px;width:340px;text-align:center}
.login-box h2{margin-bottom:4px} .login-box input{margin:14px 0 4px}
.spinner{width:38px;height:38px;border:4px solid var(--line);border-top-color:var(--acc);border-radius:50%;margin:0 auto 12px;animation:spin 0.9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.prep-sec{color:var(--acc);font-size:15px}
.composer-tools{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}
.topbar{display:none}
.hamburger{background:none;border:none;color:var(--txt);font-size:24px;cursor:pointer;line-height:1;padding:0 4px}
.backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:90}
.backdrop.show{display:block}
@media(max-width:820px){.grid2{grid-template-columns:1fr}}
@media(max-width:760px){
  .topbar{display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:95;background:var(--panel);border-bottom:1px solid var(--line);padding:11px 16px}
  .app{display:block}
  .sidebar{position:fixed;top:0;left:0;height:100vh;width:230px;z-index:100;transform:translateX(-100%);transition:transform .25s ease}
  .sidebar.open{transform:translateX(0);box-shadow:0 0 40px rgba(0,0,0,.6)}
  .content{padding:18px 16px;max-width:100%}
  h1{font-size:19px}
  .row{flex-wrap:wrap}
  .row input,.row select{min-width:0}
  .stats{gap:12px}
  .nav{padding:13px}
}