:root{
    --red:#c1272d;
    --red-dark:#9c1f24;
    --red-soft:#fbe7e8;
    --red-mid:#f3c3c5;
    --ink:#1f1f22;
    --paper:#f3f3f4;
    --card:#ffffff;
    --line:#e2e2e4;
    --line-2:#ededee;
    --grey:#6b6b70;
    --grey-2:#9a9aa0;
    --grey-3:#c4c4c8;
    --grey-soft:#ececed;
    --grey-dark:#3a3a3d;
    --radius:10px;
    --shadow:0 1px 2px rgba(31,31,34,.05),0 8px 24px rgba(31,31,34,.06);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  body{font-family:'IBM Plex Sans',sans-serif;background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;}
  .mono{font-family:'IBM Plex Mono',monospace;}

  /* ---------- LOGIN ---------- */
  #login{position:fixed;inset:0;z-index:50;display:flex;background:var(--grey-dark);}
  .login-left{flex:1;display:flex;flex-direction:column;justify-content:space-between;padding:48px;color:#fff;background:
     radial-gradient(1200px 500px at -10% 0%, rgba(193,39,45,.28), transparent 60%),
     radial-gradient(900px 600px at 110% 100%, rgba(58,58,61,.7), transparent 55%),
     var(--grey-dark);}
  .brand{display:flex;align-items:center;gap:12px;font-weight:600;font-size:20px;letter-spacing:-.01em;}
  .brand .dot{width:34px;height:34px;border-radius:9px;background:linear-gradient(150deg,var(--red),var(--red-dark));display:grid;place-items:center;box-shadow:0 6px 18px rgba(193,39,45,.45);}
  .brand .dot svg{width:20px;height:20px}
  .login-tag{max-width:420px}
  .login-tag h1{font-family:'Fraunces',serif;font-weight:500;font-size:42px;line-height:1.08;letter-spacing:-.02em;margin-bottom:16px;}
  .login-tag p{color:#c9c9cd;font-size:15px;line-height:1.6}
  .login-foot{font-size:12.5px;color:#9a9aa0;line-height:1.7}
  .login-foot strong{color:#d7d7da;font-weight:600}
  .login-right{width:440px;background:var(--paper);display:flex;flex-direction:column;justify-content:center;padding:48px;}
  .login-card h2{font-family:'Fraunces',serif;font-weight:500;font-size:26px;margin-bottom:6px}
  .login-card .sub{color:var(--grey);font-size:14px;margin-bottom:28px}
  .field{margin-bottom:16px}
  .field label{display:block;font-size:12.5px;font-weight:600;color:var(--grey);margin-bottom:7px;text-transform:uppercase;letter-spacing:.04em}
  .field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-size:14.5px;font-family:inherit;background:#fff;transition:border .15s,box-shadow .15s}
  .field textarea{resize:vertical;line-height:1.45}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px var(--red-soft)}
  .btn{width:100%;padding:13px;border:none;border-radius:8px;background:var(--red);color:#fff;font-family:inherit;font-size:14.5px;font-weight:600;cursor:pointer;transition:background .15s,transform .05s}
  .btn:hover{background:var(--red-dark)}
  .btn:active{transform:translateY(1px)}
  .hint{margin-top:18px;padding:11px 13px;background:#fff;border:1px dashed var(--line);border-radius:8px;font-size:12.5px;color:var(--grey)}
  .hint code{font-family:'IBM Plex Mono',monospace;color:var(--red);font-weight:500}
  .err{color:var(--red);font-size:13px;margin-top:10px;display:none}

  /* ---------- APP SHELL ---------- */
  #app{display:none;min-height:100vh}
  .layout{display:flex;min-height:100vh}
  .sidebar{width:240px;background:var(--grey-dark);color:#c9c9cd;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;}
  .sidebar .brand{padding:22px 22px;color:#fff;font-size:18px;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav{padding:14px 12px;flex:1}
  .nav-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.09em;color:#86868c;padding:14px 12px 8px}
  .nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:8px;color:#b6b6bb;text-decoration:none;font-size:14px;font-weight:500;cursor:pointer;transition:background .12s,color .12s}
  .nav a svg{width:17px;height:17px;opacity:.85}
  .nav a:hover{background:rgba(255,255,255,.06);color:#fff}
  .nav a.active{background:var(--red);color:#fff}
  .nav a.active svg{opacity:1}
  .sidebar-foot{padding:16px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#86868c}
  .sidebar-foot .who{color:#c9c9cd;font-weight:600;font-size:13px}
  .sidebar-foot .logout{margin-top:10px;display:inline-flex;align-items:center;gap:6px;color:#b6b6bb;cursor:pointer;font-weight:500}
  .sidebar-foot .logout:hover{color:#fff}
  .sidebar-foot .logout svg{width:14px;height:14px}

  .main{margin-left:240px;flex:1;display:flex;flex-direction:column;min-width:0}
  .topbar{height:62px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:10}
  .topbar h1{font-size:17px;font-weight:600;letter-spacing:-.01em}
  .topbar .right{display:flex;align-items:center;gap:14px}
  .live-pill{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--red);font-weight:600;background:var(--red-soft);padding:6px 11px;border-radius:20px}
  .live-pill .pulse{width:8px;height:8px;border-radius:50%;background:var(--red);animation:pulse 1.6s infinite}
  @keyframes pulse{0%{box-shadow:0 0 0 0 rgba(193,39,45,.5)}70%{box-shadow:0 0 0 7px rgba(193,39,45,0)}100%{box-shadow:0 0 0 0 rgba(193,39,45,0)}}
  .sim-btn{font-family:inherit;font-size:12.5px;font-weight:600;border:1px solid var(--line);background:#fff;color:var(--grey-dark);padding:7px 13px;border-radius:7px;cursor:pointer;transition:all .12s}
  .sim-btn:hover{background:var(--grey-dark);color:#fff;border-color:var(--grey-dark)}

  .content{padding:26px 28px 60px;max-width:1280px}
  .view{display:none}
  .view.active{display:block;animation:fade .25s ease}
  @keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

  /* KPI ROW */
  .kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
  .kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 18px 16px;box-shadow:var(--shadow);position:relative;overflow:hidden}
  .kpi .k-top{display:flex;justify-content:space-between;align-items:flex-start}
  .kpi .k-label{font-size:12.5px;color:var(--grey);font-weight:500}
  .kpi .k-ic{width:32px;height:32px;border-radius:8px;display:grid;place-items:center}
  .kpi .k-ic svg{width:17px;height:17px}
  .kpi .k-val{font-family:'Fraunces',serif;font-size:34px;font-weight:500;letter-spacing:-.02em;margin-top:10px;line-height:1}
  .kpi .k-val small{font-size:16px;color:var(--grey-2);font-family:'IBM Plex Sans'}
  .kpi .k-sub{font-size:12px;margin-top:8px;display:flex;align-items:center;gap:5px;color:var(--grey)}
  .k-sub .up{color:var(--grey-dark);font-weight:600}
  .k-sub .down{color:var(--red);font-weight:600}
  .ic-red{background:var(--red-soft);color:var(--red)}
  .ic-grey{background:var(--grey-soft);color:var(--grey-dark)}

  /* GRID */
  .grid{display:grid;grid-template-columns:1.6fr 1fr;gap:18px;margin-bottom:18px}
  .panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:18px}
  .panel:last-child{margin-bottom:0}
  .panel-h{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
  .panel-h h3{font-size:14.5px;font-weight:600}
  .panel-h .meta{font-size:12px;color:var(--grey-2)}
  .panel-b{padding:6px 0}
  .panel-b.pad{padding:18px}

  /* TABLE */
  table{width:100%;border-collapse:collapse}
  th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--grey-2);font-weight:600;padding:10px 18px;border-bottom:1px solid var(--line)}
  td{padding:12px 18px;font-size:13.5px;border-bottom:1px solid var(--line-2)}
  tr.row{cursor:pointer;transition:background .1s}
  tr.row:hover{background:#faf7f7}
  tr.row:last-child td{border-bottom:none}
  .person{display:flex;align-items:center;gap:11px}
  .avatar{width:34px;height:34px;border-radius:50%;background:var(--grey-dark);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:600;flex-shrink:0}
  .person .nm{font-weight:600;font-size:13.5px}
  .person .ag{font-size:12px;color:var(--grey-2)}
  .badge{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:600;padding:4px 9px;border-radius:20px}
  .b-ok{background:var(--grey-soft);color:var(--grey-dark)}
  .b-watch{background:var(--red-soft);color:var(--red)}
  .b-alert{background:var(--red);color:#fff}
  .b-dot{width:6px;height:6px;border-radius:50%;background:currentColor}

  /* ALERTS LIST */
  .alert-item{padding:13px 18px;border-bottom:1px solid var(--line-2);display:flex;gap:12px;cursor:pointer;transition:background .1s}
  .alert-item:hover{background:#faf7f7}
  .alert-item:last-child{border-bottom:none}
  .alert-ic{width:30px;height:30px;border-radius:7px;flex-shrink:0;display:grid;place-items:center}
  .alert-ic svg{width:15px;height:15px}
  .alert-meta{flex:1;min-width:0}
  .alert-meta .t{font-size:13px;font-weight:600;margin-bottom:2px}
  .alert-meta .d{font-size:12px;color:var(--grey);line-height:1.4}
  .alert-meta .when{font-size:11px;color:var(--grey-2);margin-top:4px}

  /* CALL LOG */
  .call-row{display:flex;align-items:center;gap:14px;padding:12px 18px;border-bottom:1px solid var(--line-2);cursor:pointer;transition:background .1s}
  .call-row:hover{background:#faf7f7}
  .call-row:last-child{border-bottom:none}
  .dir{width:26px;height:26px;border-radius:6px;display:grid;place-items:center;flex-shrink:0}
  .dir svg{width:14px;height:14px}
  .dir-out{background:var(--grey-soft);color:var(--grey-dark)}
  .dir-in{background:var(--red-soft);color:var(--red)}
  .call-main{flex:1;min-width:0}
  .call-main .nm{font-size:13.5px;font-weight:600}
  .call-main .sub{font-size:12px;color:var(--grey-2)}
  .call-dur{font-size:12.5px;color:var(--grey);font-family:'IBM Plex Mono'}
  .call-time{font-size:12px;color:var(--grey-2);width:74px;text-align:right;font-family:'IBM Plex Mono'}

  /* SEARCH / FILTER BAR */
  .toolbar{display:flex;gap:10px;margin-bottom:18px;align-items:center;flex-wrap:wrap}
  .search{flex:1;min-width:220px;position:relative}
  .search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--grey-2)}
  .search input{width:100%;padding:10px 12px 10px 36px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;background:#fff}
  .search input:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px var(--red-soft)}
  .seg{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}
  .seg button{font-family:inherit;font-size:13px;font-weight:500;border:none;background:#fff;color:var(--grey);padding:9px 14px;cursor:pointer;border-right:1px solid var(--line);transition:all .12s}
  .seg button:last-child{border-right:none}
  .seg button.on{background:var(--red);color:#fff}
  .seg button:hover:not(.on){background:var(--grey-soft)}

  /* DRAWER */
  #drawer{position:fixed;inset:0;z-index:40;display:none}
  #drawer .scrim{position:absolute;inset:0;background:rgba(31,31,34,.34);backdrop-filter:blur(1px)}
  #drawer .sheet{position:absolute;top:0;right:0;bottom:0;width:480px;background:var(--paper);box-shadow:-12px 0 40px rgba(31,31,34,.2);display:flex;flex-direction:column;animation:slide .25s ease}
  @keyframes slide{from{transform:translateX(40px);opacity:.6}to{transform:none;opacity:1}}
  .dr-head{padding:20px 22px;background:#fff;border-bottom:1px solid var(--line)}
  .dr-head .top{display:flex;justify-content:space-between;align-items:flex-start}
  .dr-head .who{display:flex;align-items:center;gap:12px}
  .dr-head .avatar{width:42px;height:42px;font-size:15px}
  .dr-head .nm{font-size:16px;font-weight:600}
  .dr-head .ag{font-size:12.5px;color:var(--grey-2)}
  .close-x{background:none;border:none;cursor:pointer;color:var(--grey-2);font-size:22px;line-height:1;padding:2px 6px;border-radius:6px}
  .close-x:hover{background:var(--grey-soft);color:var(--ink)}
  .dr-stats{display:flex;gap:10px;margin-top:16px}
  .dr-stat{flex:1;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:9px 11px}
  .dr-stat .l{font-size:10.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--grey-2);font-weight:600}
  .dr-stat .v{font-size:15px;font-weight:600;margin-top:3px}
  .dr-body{flex:1;overflow-y:auto;padding:20px 22px}
  .dr-sec-label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--grey-2);font-weight:600;margin:4px 0 12px}
  .flag-card{background:var(--red-soft);border:1px solid var(--red-mid);border-radius:9px;padding:13px 14px;margin-bottom:18px;display:flex;gap:11px}
  .flag-card .fic{flex-shrink:0;margin-top:1px;color:var(--red)}
  .flag-card .fic svg{width:18px;height:18px}
  .flag-card .ft{font-size:13px;font-weight:600;margin-bottom:3px}
  .flag-card .fd{font-size:12.5px;color:var(--ink);line-height:1.5;opacity:.85}
  .dr-actions{display:flex;gap:9px;margin-bottom:20px}
  .dr-actions button{flex:1;font-family:inherit;font-size:12.5px;font-weight:600;padding:9px;border-radius:8px;cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--grey-dark);transition:all .12s}
  .dr-actions button:hover{background:var(--grey-soft)}
  .dr-actions button.primary{background:var(--red);color:#fff;border-color:var(--red)}
  .dr-actions button.primary:hover{background:var(--red-dark)}
  .bubble{margin-bottom:13px;max-width:86%}
  .bubble .role{font-size:11px;color:var(--grey-2);margin-bottom:4px;font-weight:600}
  .bubble .txt{padding:10px 13px;border-radius:12px;font-size:13.5px;line-height:1.5}
  .bubble.ai{margin-right:auto}
  .bubble.ai .txt{background:#fff;border:1px solid var(--line);border-bottom-left-radius:3px}
  .bubble.user{margin-left:auto}
  .bubble.user .role{text-align:right}
  .bubble.user .txt{background:var(--grey-dark);color:#fff;border-bottom-right-radius:3px}
  .bubble .flagword{background:var(--red-mid);padding:1px 3px;border-radius:3px}
  .empty{padding:40px 20px;text-align:center;color:var(--grey-2);font-size:13px}

  /* COST / IMPACT VIEW */
  .bar-row{display:flex;align-items:center;gap:14px;padding:14px 0}
  .bar-row .lbl{width:180px;font-size:13px;color:var(--grey-dark);font-weight:500}
  .bar-track{flex:1;height:30px;background:var(--grey-soft);border-radius:6px;overflow:hidden;position:relative}
  .bar-fill{height:100%;border-radius:6px;display:flex;align-items:center;padding:0 11px;color:#fff;font-size:12.5px;font-weight:600}
  .bar-fill.red{background:var(--red)}
  .bar-fill.grey{background:var(--grey-2)}
  .impact-note{font-size:12.5px;color:var(--grey);line-height:1.6;padding:14px 18px;background:var(--paper);border-top:1px solid var(--line)}

  /* SETTINGS */
  .set-row{display:flex;justify-content:space-between;align-items:center;padding:15px 18px;border-bottom:1px solid var(--line-2)}
  .set-row:last-child{border-bottom:none}
  .set-row .si{font-size:13.5px;font-weight:600}
  .set-row .sd{font-size:12.5px;color:var(--grey);margin-top:2px}
  .toggle{width:42px;height:24px;border-radius:20px;background:var(--grey-3);position:relative;cursor:pointer;transition:background .15s;flex-shrink:0}
  .toggle.on{background:var(--red)}
  .toggle::after{content:'';position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:left .15s}
  .toggle.on::after{left:21px}

  /* outbound call modal */
  #callModal{position:fixed;inset:0;z-index:70;display:none}
  .modal-scrim{position:absolute;inset:0;background:rgba(31,31,34,.38);backdrop-filter:blur(1px)}
  .modal-card{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:min(520px,calc(100vw - 32px));background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 20px 70px rgba(31,31,34,.28);overflow:hidden}
  .modal-head{display:flex;justify-content:space-between;gap:16px;padding:18px 20px;border-bottom:1px solid var(--line)}
  .modal-head h3{font-size:16px;font-weight:600}
  .modal-head p{font-size:12.5px;color:var(--grey);margin-top:4px}
  .modal-body{padding:18px 20px 20px}
  .modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:6px}
  .modal-actions button{font-family:inherit;font-size:13px;font-weight:600;padding:10px 14px;border-radius:8px;cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--grey-dark)}
  .modal-actions button:hover{background:var(--grey-soft)}
  .modal-actions button.primary{background:var(--red);color:#fff;border-color:var(--red)}
  .modal-actions button.primary:hover{background:var(--red-dark)}

  /* incoming call toast */
  #toast{position:fixed;bottom:24px;right:24px;z-index:60;background:var(--grey-dark);color:#fff;border-radius:12px;padding:16px 18px;box-shadow:0 16px 48px rgba(31,31,34,.4);display:none;align-items:center;gap:14px;min-width:300px;animation:slide .3s ease}
  #toast .ring{width:40px;height:40px;border-radius:10px;background:var(--red);display:grid;place-items:center;animation:pulse 1.2s infinite}
  #toast .ring svg{width:20px;height:20px}
  #toast .ti{font-size:14px;font-weight:600}
  #toast .ts{font-size:12px;color:#c9c9cd;margin-top:2px}

  @media(max-width:1080px){.kpis{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:1fr}.login-left{display:none}}