:root{
  --primary:#25D366; --primary-dark:#1da851;
  --bg:#F7F8FA; --card:#fff; --border:#E5E7EB;
  --text:#0F172A; --muted:#64748B; --subtle:#94A3B8;
  --sidebar:#0B1220; --sidebar-hover:#1F2937; --sidebar-text:#CBD5E1;
  --success:#10B981; --warning:#F59E0B; --danger:#EF4444; --info:#3B82F6;
  --radius:10px; --shadow:0 1px 2px rgba(15,23,42,.04),0 4px 12px rgba(15,23,42,.05);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg);font-size:14px;line-height:1.5}
button{font:inherit;cursor:pointer;border:0;background:0}
input,select,textarea{font:inherit;color:var(--text)}
a{color:inherit;text-decoration:none}
.hidden{display:none!important}
.muted{color:var(--muted)}
.error{background:#FEE2E2;color:#991B1B;padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:13px}
.success{background:#D1FAE5;color:#065F46;padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:13px}

/* AUTH */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0B1220 0%,#1d3555 100%);padding:20px}
.auth-card{background:#fff;border-radius:14px;padding:40px;width:100%;max-width:420px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.auth-logo{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.auth-logo svg{width:32px;height:32px;color:var(--primary)}
.auth-logo span{font-weight:700;font-size:18px}
.auth-card h1{font-size:22px;margin-top:14px}
.auth-card p.muted{color:var(--muted);margin:6px 0 24px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:500;margin-bottom:6px;font-size:13px}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;outline:0;transition:border .15s;font-family:inherit}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,211,102,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 16px;border-radius:8px;font-weight:600;transition:all .15s;white-space:nowrap;font-size:14px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-block{width:100%}
.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{background:#F1F5F9}
.btn-ghost{color:var(--muted);padding:7px 12px}
.btn-ghost:hover{background:#F1F5F9;color:var(--text)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#DC2626}
.btn-sm{padding:6px 12px;font-size:13px}

/* APP SHELL */
.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.sidebar{background:var(--sidebar);color:var(--sidebar-text);padding:20px 0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.sb-logo{display:flex;align-items:center;gap:10px;padding:0 20px 20px;border-bottom:1px solid #1F2937;color:#fff}
.sb-logo svg{width:24px;height:24px;color:var(--primary)}
.sb-logo span{font-weight:700;font-size:16px}
.sb-section{padding:18px 0 8px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#64748B;padding-left:20px}
.sb-item{display:flex;align-items:center;gap:11px;padding:9px 20px;color:var(--sidebar-text);font-size:14px;cursor:pointer;border-left:3px solid transparent}
.sb-item:hover{background:var(--sidebar-hover);color:#fff}
.sb-item.active{background:#1F2937;color:#fff;border-left-color:var(--primary)}
.sb-item svg{width:18px;height:18px;flex-shrink:0}
.sb-badge{margin-left:auto;background:var(--primary);color:#fff;font-size:11px;padding:1px 7px;border-radius:10px;font-weight:600}
.sb-bottom{margin-top:auto;padding:14px 20px;border-top:1px solid #1F2937}
.sb-user{display:flex;align-items:center;gap:10px}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}
.sb-user .name{font-weight:600;color:#fff;font-size:13px}
.sb-user .role{color:#64748B;font-size:11px}
.main{display:flex;flex-direction:column;overflow:hidden;min-width:0}
.topbar{background:#fff;border-bottom:1px solid var(--border);padding:14px 28px;display:flex;align-items:center;gap:16px}
.topbar h2{font-size:18px;font-weight:600}
.topbar .crumbs{color:var(--muted);font-size:13px}
.topbar .right{margin-left:auto;display:flex;align-items:center;gap:10px}
.session-pill{display:inline-flex;align-items:center;gap:8px;background:#F1F5F9;border:1px solid var(--border);border-radius:8px;padding:6px 12px;font-size:13px;font-weight:500}
.session-pill select{border:0;background:0;font-weight:500;cursor:pointer;outline:0}
.dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(16,185,129,.18)}
.dot.warn{background:var(--warning);box-shadow:0 0 0 3px rgba(245,158,11,.18)}
.dot.off{background:var(--muted);box-shadow:0 0 0 3px rgba(100,116,139,.18)}
.content{padding:24px 28px;overflow:auto;flex:1}

.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:18px}
.card-pad{padding:18px 20px}
.card-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}
.card-head h3{font-size:15px;font-weight:600}
.card-head .right{margin-left:auto;display:flex;gap:8px}
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:20px}
.kpi{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}
.kpi .label{color:var(--muted);font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.04em}
.kpi .value{font-size:26px;font-weight:700;margin:6px 0 4px}
.kpi .delta{font-size:12px;font-weight:500;color:var(--muted)}
.row{display:flex;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.row > *{flex:1;min-width:300px}
.tag{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:12px;font-size:11px;font-weight:500;background:#F1F5F9;color:var(--text)}
.tag.green{background:rgba(16,185,129,.12);color:#047857}
.tag.amber{background:rgba(245,158,11,.14);color:#B45309}
.tag.red{background:rgba(239,68,68,.12);color:#B91C1C}
.tag.blue{background:rgba(59,130,246,.13);color:#1E40AF}
.tag.violet{background:rgba(124,58,237,.13);color:#5B21B6}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:11px 16px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle}
th{background:#F8FAFC;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}
tr:hover td{background:#FAFBFC}
.input{padding:8px 12px;border:1px solid var(--border);border-radius:7px;font-size:13px;background:#fff;font-family:inherit}
.input:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,211,102,.12)}
.toolbar{display:flex;align-items:center;gap:8px;padding:14px 16px;border-bottom:1px solid var(--border);background:#FCFCFD;flex-wrap:wrap}
.search{position:relative}
.search input{padding-left:32px;width:260px}
.search svg{position:absolute;left:9px;top:50%;transform:translateY(-50%);color:var(--muted);width:16px;height:16px}

.pill-status{display:inline-block;padding:3px 9px;border-radius:12px;font-size:11px;font-weight:600}
.pill-new{background:#DBEAFE;color:#1E40AF}
.pill-contacted{background:#FEF3C7;color:#92400E}
.pill-qualified{background:#D1FAE5;color:#065F46}
.pill-converted{background:#DCFCE7;color:#14532D}
.pill-lost{background:#FEE2E2;color:#991B1B}

.funnel-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid #F1F5F9}
.funnel-row .label{width:170px;font-size:13px}
.funnel-row .bar{flex:1;height:14px;background:#F1F5F9;border-radius:6px;overflow:hidden}
.funnel-row .fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--info))}
.funnel-row .num{width:60px;text-align:right;font-weight:600;font-size:13px}

.heat{display:grid;grid-template-columns:50px repeat(24,1fr);gap:2px;font-size:10px}
.heat .h{padding:2px 0;text-align:center;color:var(--muted)}
.heat .l{padding:2px 4px;color:var(--muted)}
.heat .c{aspect-ratio:1;border-radius:2px;background:#F1F5F9}

/* INBOX */
.inbox{display:grid;grid-template-columns:300px 1fr 280px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;height:calc(100vh - 140px)}
.inbox-list{border-right:1px solid var(--border);overflow:auto}
.chat-item{padding:12px 16px;border-bottom:1px solid #F1F5F9;cursor:pointer;display:flex;gap:11px}
.chat-item:hover,.chat-item.active{background:#F0FDF4}
.chat-item .name{font-weight:600;font-size:13px}
.chat-item .msg{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-item .meta{font-size:11px;color:var(--muted);text-align:right;margin-left:auto}
.chat-window{display:flex;flex-direction:column;min-width:0}
.chat-head{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;background:#FCFCFD}
.chat-head .name{font-weight:600}
.chat-head .right{margin-left:auto;display:flex;gap:6px;align-items:center}
.chat-body{flex:1;overflow:auto;padding:20px;background:#F8FAFC;display:flex;flex-direction:column;gap:8px}
.bubble{max-width:65%;padding:9px 13px;border-radius:12px;font-size:13.5px;line-height:1.45;word-wrap:break-word}
.bubble.in{background:#fff;border:1px solid var(--border);align-self:flex-start;border-bottom-left-radius:4px}
.bubble.out{background:var(--primary);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.bubble.bot{background:#DCFCE7;color:#064E3B;align-self:flex-end;border-bottom-right-radius:4px}
.bubble small{display:block;font-size:11px;opacity:.7;margin-top:3px}
.chat-input{border-top:1px solid var(--border);padding:12px 16px;background:#fff}
.qr-strip{display:flex;gap:6px;margin-bottom:8px;flex-wrap:wrap}
.qr-chip{background:#F1F5F9;padding:5px 11px;border-radius:14px;font-size:12px;cursor:pointer;border:1px solid #E2E8F0}
.qr-chip:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.chat-input-row{display:flex;gap:8px;align-items:flex-end}
.chat-input textarea{flex:1;resize:none;padding:10px 12px;border:1px solid var(--border);border-radius:7px;min-height:42px;max-height:120px}
.chat-aside{border-left:1px solid var(--border);overflow:auto;padding:18px}
.chat-aside h4{font-size:12px;text-transform:uppercase;color:var(--muted);letter-spacing:.05em;margin-bottom:8px}
.chat-aside .block{margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid #F1F5F9}
.chat-aside .field-row{display:flex;justify-content:space-between;font-size:13px;margin-bottom:5px}
.chat-aside .field-row span:first-child{color:var(--muted)}
.score-bar{height:6px;background:#F1F5F9;border-radius:3px;overflow:hidden;margin:6px 0}
.score-bar-fill{height:100%;background:linear-gradient(90deg,var(--warning),var(--success))}

/* QR */
.qr-display{display:flex;flex-direction:column;align-items:center;gap:14px;padding:20px}
.qr-display img{width:240px;height:240px;border:1px solid var(--border);border-radius:8px;padding:8px;background:#fff}
.qr-status{font-size:13px;color:var(--muted);text-align:center}

/* MODAL */
.modal-bg{position:fixed;inset:0;background:rgba(15,23,42,.55);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal{background:#fff;border-radius:14px;width:100%;max-width:520px;overflow:hidden}
.modal-head{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center}
.modal-head h3{font-size:17px}
.modal-head button{margin-left:auto;color:var(--muted);font-size:22px}
.modal-body{padding:22px}
.modal-foot{padding:14px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px;background:#FCFCFD}

/* OTP */
.otp-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin:18px 0}
.otp-grid input{width:100%;height:50px;text-align:center;font-size:20px;font-weight:600;border:1px solid var(--border);border-radius:8px}
.otp-grid input:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,211,102,.15)}

.kb-list{display:flex;flex-direction:column}
.kb-item{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;gap:12px;align-items:flex-start}
.kb-item:hover{background:#FCFCFD}
.kb-item .body{flex:1;min-width:0}
.kb-item .body .q{font-weight:600;margin-bottom:4px}
.kb-item .body .a{color:var(--muted);font-size:13px;line-height:1.4}
.kb-item .meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;font-size:11px;color:var(--muted)}

/* SETTINGS */
.settings-grid{display:grid;grid-template-columns:220px 1fr;gap:24px}