:root{--blue:#1e90ff;--blue-100:#e6f2ff;--blue-50:#f7fbff;--bg:#ffffff;--text:#0a2540;--muted:#6b7a90;--border:#dbe7ff;--success:#21a675;--danger:#d64545}
*{box-sizing:border-box} body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;margin:0;background:var(--blue-50);color:var(--text)}
.container{max-width:1100px;margin:24px auto;padding:0 16px}
.nav{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 16px}
.nav a{padding:10px 14px;border-radius:12px;text-decoration:none;color:var(--text);background:white;border:1px solid var(--border)}
.nav a.active{background:var(--blue);color:white;border-color:var(--blue)}
.card{background:white;border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:0 4px 16px rgba(30,144,255,.08)}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.col-4{grid-column:span 4}.col-3{grid-column:span 3}.col-5{grid-column:span 5}.col-6{grid-column:span 6}.col-8{grid-column:span 8}.col-12{grid-column:span 12}
h1{font-size:22px;margin:0 0 12px} h2{font-size:18px;margin:12px 0}
label{display:block;margin:10px 0 6px;font-weight:600}
input,select,textarea{width:100%;padding:10px;border-radius:10px;border:1px solid var(--border);background:#fff}
button{padding:10px 14px;border:none;border-radius:10px;background:var(--blue);color:white;font-weight:600;cursor:pointer}
button.secondary{background:#fff;color:var(--text);border:1px solid var(--border)}
.table{width:100%;border-collapse:separate;border-spacing:0 8px}
.table th,.table td{padding:10px 12px;background:white;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.table th:first-child,.table td:first-child{border-left:1px solid var(--border);border-top-left-radius:10px;border-bottom-left-radius:10px}
.table th:last-child,.table td:last-child{border-right:1px solid var(--border);border-top-right-radius:10px;border-bottom-right-radius:10px}
.kpi{display:flex;gap:16px;flex-wrap:wrap} .kpi .tile{flex:1;min-width:160px;background:white;border:1px solid var(--border);border-radius:16px;padding:14px}
.alert{padding:10px 14px;border-radius:10px;margin:10px 0}
.alert.success{background:#e8fff5;border:1px solid #b8f0dc;color:#0f5132}
.alert.error{background:#fff1f0;border:1px solid #ffd1cd;color:#842029}
footer{margin:32px 0 12px;color:var(--muted);font-size:12px;text-align:center}
.hr{height:1px;background:var(--border);margin:12px 0}
.small{font-size:12px;color:var(--muted)} .badge{display:inline-block;padding:4px 8px;border-radius:999px;border:1px solid var(--border);background:var(--blue-100);color:#0a3a73}
/* v4 tweaks */ input[type=number].qty{min-width:200px} select.wide{min-width:220px}