:root{
  --coral:#FD726C; --lemon:#FFD23F; --mint:#00BFA6;
  --ink:#2B2D42; --muted:#8A8FA3; --bg:#F6F7FB; --surface:#fff;
  --border:#ECEEF4; --shadow:0 1px 3px rgba(20,25,60,.07);
}
*{box-sizing:border-box}
body{margin:0;font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}
a{color:inherit;text-decoration:none}
.layout{display:flex;min-height:100vh}
/* sidebar */
.side{width:248px;background:#1d1f33;color:#cfd2e6;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex:0 0 248px}
.brand{font-size:22px;font-weight:800;padding:20px 22px 6px;color:#fff;letter-spacing:-.5px}
.brand-mark{color:var(--coral)}
.biz{display:flex;align-items:center;gap:8px;padding:0 22px 16px;font-size:13px;color:#9ea2c4;border-bottom:1px solid #2b2e4a}
.biz-dot{width:8px;height:8px;border-radius:50%;background:var(--mint)}
.nav{flex:1;overflow:auto;padding:12px 12px 20px}
.nav-group{font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:#6b6f93;margin:16px 10px 6px}
.nav-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:#c7cae0;font-weight:500;margin-bottom:2px}
.nav-link .ic{width:18px;text-align:center;opacity:.85}
.nav-link:hover{background:#2a2d49;color:#fff}
.nav-link.active{background:linear-gradient(90deg,var(--coral),#ff8a85);color:#fff;box-shadow:0 2px 10px rgba(253,114,108,.4)}
.side-foot{padding:14px 22px;font-size:11px;color:#6b6f93;border-top:1px solid #2b2e4a}
/* main */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}
.topbar h1{font-size:20px;margin:0;font-weight:700}
.topbar-r{display:flex;gap:8px}
.pill{font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;background:var(--bg);color:var(--muted)}
.pill-demo{background:rgba(0,191,166,.12);color:var(--mint)}
.content{padding:26px 28px;max-width:1240px;width:100%}
/* cards / kpi */
.grid{display:grid;gap:18px}
.cols-4{grid-template-columns:repeat(4,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.cols-4,.cols-3,.cols-2{grid-template-columns:1fr 1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:20px}
.card h2,.card h3{margin:0 0 14px}
.card h3{font-size:15px}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:18px 20px}
.kpi-v{font-size:30px;font-weight:800;line-height:1}
.kpi-l{font-size:13px;color:var(--muted);margin-top:6px;font-weight:600}
.kpi-s{font-size:12px;color:var(--muted);margin-top:2px}
/* table */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px;padding:10px 12px;border-bottom:1px solid var(--border)}
td{padding:11px 12px;border-bottom:1px solid var(--border)}
tr:hover td{background:#fafbff}
.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--coral),var(--lemon));color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:12px}
.badge{font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px}
/* buttons / forms */
.btn{display:inline-flex;align-items:center;gap:7px;background:var(--coral);color:#fff;border:none;border-radius:9px;padding:10px 18px;font-weight:700;font-size:14px;cursor:pointer;box-shadow:0 2px 8px rgba(253,114,108,.35)}
.btn:hover{filter:brightness(1.05)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--border);box-shadow:none}
.btn-mint{background:var(--mint);box-shadow:0 2px 8px rgba(0,191,166,.3)}
.btn-sm{padding:6px 12px;font-size:13px}
input,select,textarea{font:inherit;padding:10px 12px;border:1px solid var(--border);border-radius:9px;width:100%;background:#fff}
label{font-weight:600;font-size:13px;display:block;margin-bottom:6px}
.field{margin-bottom:14px}
.muted{color:var(--muted)}
.row{display:flex;gap:14px;align-items:center}
.between{justify-content:space-between}
.mt{margin-top:18px}
/* stamp progress */
.stamps{display:flex;gap:6px;flex-wrap:wrap}
.stamp{width:26px;height:26px;border-radius:50%;border:2px solid var(--coral);display:inline-flex;align-items:center;justify-content:center;font-size:12px;color:var(--coral)}
.stamp.on{background:var(--coral);color:#fff}
.section-title{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin:24px 0 12px}
.empty{padding:40px;text-align:center;color:var(--muted)}