:root{--bg:#0f172a;--surface:#1e293b;--surface-2:#273449;--border:#334155;--text:#e2e8f0;--muted:#94a3b8;--primary:#22c55e;--primary-dark:#16a34a;--danger:#ef4444;--warning:#f59e0b;--radius:12px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:14px;background:var(--surface-2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:9px 12px;width:100%;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--primary)}label{display:block;margin-bottom:6px;color:var(--muted);font-size:13px}.btn{display:inline-flex;align-items:center;gap:6px;background:var(--primary);color:#04130a;border:none;border-radius:8px;padding:9px 16px;font-weight:600;font-size:14px}.btn:hover{background:var(--primary-dark)}.btn.secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn.danger{background:var(--danger);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column;gap:4px}.brand{font-weight:800;font-size:18px;padding:6px 10px 18px;letter-spacing:-.02em}.brand span{color:var(--primary)}.nav-link{padding:10px 12px;border-radius:8px;color:var(--muted);font-weight:500}.nav-link:hover{background:var(--surface-2);color:var(--text)}.nav-link.active{background:var(--surface-2);color:var(--primary)}.main{padding:28px 32px;overflow-y:auto}.page-title{font-size:22px;font-weight:700;margin:0 0 4px}.page-sub{color:var(--muted);margin:0 0 24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:16px;gap:16px;margin-bottom:24px}.stat-label{color:var(--muted);font-size:13px;margin-bottom:6px}.stat-value{font-size:28px;font-weight:700}.table{width:100%;border-collapse:collapse}.table th{text-align:left;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em;padding:10px 12px}.table td,.table th{border-bottom:1px solid var(--border)}.table td{padding:12px}.badge,.table tr:hover td{background:var(--surface-2)}.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600;border:1px solid var(--border)}.badge.new{color:#38bdf8}.badge.contacted{color:#a78bfa}.badge.qualified{color:var(--primary)}.badge.converted{color:#facc15}.badge.lost{color:var(--danger)}.badge.human{color:var(--warning)}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:100%;max-width:380px}.field{margin-bottom:14px}.error-text{color:var(--danger);font-size:13px;margin:8px 0}.muted{color:var(--muted)}.chat-grid{display:grid;grid-template-columns:320px 1fr;grid-gap:16px;gap:16px;height:calc(100vh - 120px)}.conv-list{overflow-y:auto}.conv-item{padding:12px;border-bottom:1px solid var(--border);cursor:pointer}.conv-item.active,.conv-item:hover{background:var(--surface-2)}.chat-pane{display:flex;flex-direction:column}.messages{flex:1 1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:8px}.bubble{max-width:70%;padding:9px 12px;border-radius:12px;white-space:pre-wrap;word-break:break-word}.bubble.inbound{align-self:flex-start;background:var(--surface-2)}.bubble.outbound{align-self:flex-end;background:var(--primary-dark);color:#04130a}.bubble .meta{font-size:11px;opacity:.7;margin-top:4px}.composer{display:flex;gap:8px;padding-top:10px;border-top:1px solid var(--border)}