:root{--purple:#533afd;--purple-hover:#4434d4;--purple-soft:#b9b9f9;--navy:#061b31;--label:#273951;--body:#64748d;--bg:#f6f9fc;--surface:#fff;--border:#e5edf5;--success:#108c3d;--success-bg:#d8f5e3;--warning:#9b6829;--warning-bg:#fdf0d5;--neutral:#64748d;--neutral-bg:#eef2f7;--radius:8px;--shadow-card:rgba(50,50,93,.12) 0px 13px 27px -18px,rgba(0,0,0,.08) 0px 8px 16px -12px;--shadow-lift:rgba(50,50,93,.25) 0px 30px 45px -30px,rgba(0,0,0,.1) 0px 18px 36px -18px}*{box-sizing:border-box}body,html{padding:0;margin:0}body{font-family:Inter,SF Pro Display,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--label);font-size:15px;font-weight:400;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--purple);text-decoration:none}a:hover{color:var(--purple-hover)}h1{font-size:30px;font-weight:300;letter-spacing:-.6px;margin:0 0 20px}h1,h2{color:var(--navy)}h2{font-size:19px;font-weight:400;letter-spacing:-.2px;margin:28px 0 14px}.app-nav{display:flex;align-items:center;gap:22px;background:var(--surface);color:var(--label);padding:14px 28px;border-bottom:1px solid var(--border)}.app-nav .brand{font-weight:600;color:var(--navy);margin-right:6px;font-size:16px}.app-nav a{color:var(--body);font-weight:400;font-size:14px}.app-nav a.active,.app-nav a:hover{color:var(--purple)}.app-nav .spacer{flex:1 1}.container{max-width:1140px;margin:0 auto;padding:32px 28px}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));grid-gap:16px;gap:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-card)}.kpi .value{font-size:30px;font-weight:300;letter-spacing:-.5px;color:var(--navy)}.kpi .label{color:var(--body);font-size:11px;text-transform:uppercase;letter-spacing:.06em;margin-top:4px}table{width:100%;border-collapse:separate;border-spacing:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card)}td,th{text-align:left;padding:0 16px;height:44px;border-bottom:1px solid var(--border);font-size:14px}th{background:var(--bg);color:var(--body);font-weight:500;text-transform:uppercase;font-size:11px;letter-spacing:.05em}tr:last-child td{border-bottom:none}tbody tr:hover td{background:#fafcff}td strong,th+td strong{color:var(--navy)}.badge{display:inline-block;padding:2px 9px;border-radius:6px;font-size:11px;font-weight:500;letter-spacing:.02em}.badge.hot{background:var(--success-bg);color:var(--success)}.badge.warm{background:var(--warning-bg);color:var(--warning)}.badge.cold,.badge.neutral{background:var(--neutral-bg);color:var(--neutral)}.btn{display:inline-block;background:var(--purple);color:#fff;border:none;padding:9px 18px;border-radius:6px;font-weight:400;font-size:15px;cursor:pointer;transition:background .15s ease;box-shadow:var(--shadow-card)}.btn:hover{background:var(--purple-hover);color:#fff}.btn.accent{background:var(--navy)}.btn.ghost{background:transparent;color:var(--body);box-shadow:none;border:1px solid var(--border);padding:7px 14px}.btn.ghost:hover{background:rgba(83,58,253,.05);color:var(--purple)}.form{max-width:380px;margin:96px auto}.form .card{padding:32px;box-shadow:var(--shadow-lift)}.form label{display:block;font-size:12px;color:var(--label);font-weight:500;margin:14px 0 5px}.form input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:15px;color:var(--navy);transition:border .15s,box-shadow .15s}.form input:focus{outline:none;border-color:var(--purple-soft);box-shadow:0 0 0 3px rgba(83,58,253,.12)}.form .error{color:#cd3d64;font-size:13px;margin-top:14px}.muted{color:var(--body)}.chat{display:flex;flex-direction:column;gap:8px}.msg{padding:9px 13px;border-radius:10px;max-width:82%;font-size:14px}.msg.lead{background:#f1f0ff;align-self:flex-start}.msg.ai{background:var(--bg);border:1px solid var(--border);align-self:flex-end}.msg .who{font-size:10px;color:var(--body);text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px}