:root{
  --bg:#f5f7fb; --card:#fff; --text:#13233a; --muted:#66768a; --line:#dfe6ef; --primary:#1457ff; --danger:#d93025;
}
*{box-sizing:border-box} body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--text);background:var(--bg)}
.auth-body{display:grid;place-items:center;min-height:100vh}
.auth-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;max-width:420px;width:min(92vw,420px);box-shadow:0 12px 32px rgba(0,0,0,.06)}
.stack>*+*{margin-top:14px}
label{display:flex;flex-direction:column;gap:6px;font-size:14px}
input,select,textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:12px;background:#fff;font:inherit}
textarea{min-height:96px;resize:vertical}
button{font:inherit}
.btn{padding:10px 14px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.danger{background:#fff2f0;color:var(--danger);border-color:#ffd0cc}
.error{color:var(--danger);min-height:20px}
.muted{color:var(--muted)}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;padding:18px 20px;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
.topbar h1{margin:0 0 6px}
.topbar-actions{display:flex;gap:8px}
.layout{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 80px)}
.sidebar{padding:16px;border-right:1px solid var(--line);background:#fff;display:flex;flex-direction:column;gap:8px}
.nav-btn{text-align:left;padding:12px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer}
.nav-btn.active{background:#eef4ff;border-color:#c7d8ff;color:#0a3fbf}
.content{padding:16px}
.view{display:none}
.view.active{display:block}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}
.kpi{font-size:34px;font-weight:700;margin-top:8px}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}
.inline-actions{display:flex;gap:8px;flex-wrap:wrap}
.grid-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.grid-form .full{grid-column:1/-1}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:top}
.quote-items-table td input,.quote-items-table td textarea,.quote-items-table td select{min-width:90px}
.totals{margin-top:16px;padding:16px;border:1px solid var(--line);border-radius:16px;background:#f9fbff}
.totals-row{display:flex;justify-content:space-between;padding:4px 0}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.32);display:grid;place-items:center;padding:16px}
.modal{width:min(760px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:18px;border:1px solid var(--line);padding:18px}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#eef4ff;color:#0a3fbf;font-size:12px}
.badge.status-bozza{background:#fff5df;color:#8a5a00}
.badge.status-inviato{background:#e9f7ef;color:#116a3a}
.badge.status-accettato{background:#e6f6ff;color:#005f99}
.badge.status-rifiutato{background:#fff0f0;color:#a22}
.linkish{color:var(--primary);cursor:pointer}
@media (max-width:900px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:sticky;top:80px;overflow:auto;white-space:nowrap;flex-direction:row}
  .cards,.grid-form{grid-template-columns:1fr}
}