:root{
  --brand:#E63946; --brand-d:#D12C3B; --beige:#F6F1E7; --ink:#1F2937; --ink2:#6B7280; --ink3:#9AA1AC;
  --line:#E5E7EB; --surface:#fff; --ok:#16a34a; --warn:#d97706; --danger:#dc2626; --bg:#f4f5f7;
  --radius:12px; --shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:14px;line-height:1.45}
a{color:var(--brand);text-decoration:none}
.mono{font-family:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace}
.t-right{text-align:right}

/* login */
.vl-login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--beige)}
.vl-login-card{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:28px;width:340px;display:flex;flex-direction:column;gap:12px}
.vl-login-logo{font-size:22px;text-align:center;margin-bottom:6px}.vl-login-logo span{color:var(--ink2);font-size:13px;display:block}
.vl-login-card label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--ink2)}
.vl-login-card input{padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px}
.vl-login-note{font-size:11px;color:var(--ink3);text-align:center;margin-top:4px}

/* shell */
.vl-top{display:flex;align-items:center;justify-content:space-between;background:linear-gradient(90deg,#7C1322,var(--brand));color:#fff;padding:10px 18px}
.vl-brand{color:#fff;font-size:16px}.vl-brand span{opacity:.8;font-size:12px}
.vl-top-right{display:flex;align-items:center;gap:10px;font-size:13px}.vl-user{opacity:.9}
.vl-shell{display:flex;min-height:calc(100vh - 46px)}
.vl-nav{width:210px;background:#fff;border-right:1px solid var(--line);padding:14px 10px;display:flex;flex-direction:column;gap:4px;flex-shrink:0}
.vl-navlink{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--ink);font-weight:500}
.vl-navlink:hover{background:var(--bg)}
.vl-navlink.is-active{background:var(--brand);color:#fff}
.vl-navico{width:20px;text-align:center}
.vl-main{flex:1;padding:22px 26px;max-width:1100px}

/* pieces */
.vl-h1{font-size:20px;font-weight:700;margin:0 0 4px}
.vl-sub{color:var(--ink2);font-size:13px;margin:0 0 18px}
.vl-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:18px}
.vl-card-h{padding:12px 16px;border-bottom:1px solid var(--line);font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:10px}
.vl-card-b{padding:16px}
.vl-alert{padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:14px}
.vl-alert-ok{background:#ecfdf3;color:#166534;border-left:3px solid var(--ok)}
.vl-alert-err{background:#fef2f2;color:#991b1b;border-left:3px solid var(--danger)}
.vl-alert-warn{background:#fffbeb;color:#92400e;border-left:3px solid var(--warn)}
.vl-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:13px;font-weight:600;cursor:pointer}
.vl-btn-sm{padding:6px 10px;font-size:12px}
.vl-btn-brand{background:linear-gradient(90deg,var(--brand),var(--brand-d));color:#fff;border:0}
.vl-btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff}
.vl-in,.vl-sel{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:13px;font-family:inherit;background:#fff}
.vl-lbl{display:block;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.4px;color:var(--ink2);margin-bottom:4px}
.vl-field{margin-bottom:12px}
.vl-badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600}
.vl-badge-alex{background:#eef2ff;color:#4338ca}.vl-badge-nay{background:#fdf2f8;color:#be185d}
.vl-badge-off{background:#f3f4f6;color:var(--ink2)}
.vl-flame{color:var(--danger);font-weight:700}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left}
th{font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--ink2);font-weight:600}
.vl-tablewrap{overflow-x:auto}
.vl-kpi{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:16px}
.vl-kpi-box{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 18px;min-width:150px}
.vl-kpi-box .n{font-size:24px;font-weight:800}.vl-kpi-box .l{font-size:12px;color:var(--ink2)}
.vl-copy{cursor:pointer;border:1px solid var(--line);background:#fff;border-radius:6px;padding:3px 7px;font-size:11px}
.vl-toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.vl-chart{width:100%;height:180px;display:block}
.vl-muted{color:var(--ink3)}
@media(max-width:760px){.vl-shell{flex-direction:column}.vl-nav{width:auto;flex-direction:row;overflow-x:auto}.vl-main{padding:16px}}