:root{
  --bg:#0d1117; --bg2:#0f1622; --panel:#161e2d; --panel2:#1c2636;
  --border:#2a3550; --text:#e6edf3; --muted:#8b98a8; --muted2:#5d6b7d;
  --accent:#3b82f6; --accent2:#1f6feb; --accent-soft:#16243d;
  --red:#ef4444; --orange:#f97316; --yellow:#eab308; --blue:#3b82f6; --green:#22c55e;
  --radius:10px; --shadow:0 6px 24px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:linear-gradient(160deg,#0b0f17,#0d1117 40%,#0f1622);
  color:var(--text);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;
}
a{color:var(--accent)}
.hidden{display:none !important}
button{font-family:inherit;cursor:pointer}

/* ---- inputs (mai bianchi) ---- */
input,select,textarea{
  width:100%;background:var(--bg2);color:var(--text);
  border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:15px;outline:none;
}
input::placeholder,textarea::placeholder{color:var(--muted2)}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(59,130,246,.15)}
label{display:block;font-size:13px;color:var(--muted);margin:0 0 6px}
select option{background:var(--panel)}

.btn{background:var(--accent2);color:#fff;border:0;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:600}
.btn:hover{filter:brightness(1.08)}
.btn.secondary{background:var(--panel2);border:1px solid var(--border);color:var(--text)}
.btn.danger{background:var(--red)}
.btn.ghost{background:transparent;border:1px solid var(--border);color:var(--muted)}
.btn.sm{padding:6px 10px;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.field{margin-bottom:14px}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row>.field{flex:1;min-width:160px}
.err{color:var(--red);font-size:13px;margin-top:8px;min-height:18px}
.muted{color:var(--muted)}

/* ---- login / centered cards ---- */
.center-wrap{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;width:100%;max-width:400px}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.brand .logo{width:38px;height:38px;border-radius:9px;background:linear-gradient(135deg,#3b82f6,#06b6d4);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff}
.brand h1{font-size:18px;margin:0}
.sub{color:var(--muted);font-size:13px;margin:0 0 22px}

/* ---- app shell ---- */
header.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:14px;
  padding:10px 18px;background:rgba(13,17,23,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
header .brand h1{font-size:15px}
nav.tabs{display:flex;gap:4px;margin-left:8px;flex-wrap:wrap}
nav.tabs button{background:transparent;border:0;color:var(--muted);padding:8px 12px;border-radius:8px;font-size:14px;font-weight:600}
nav.tabs button.active{background:var(--accent-soft);color:#cfe2ff}
nav.tabs button:hover{color:var(--text)}
header .spacer{flex:1}
.usermenu{display:flex;align-items:center;gap:10px}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--accent2);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:13px}
main{padding:20px;max-width:1200px;margin:0 auto}

/* ---- filters bar ---- */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:16px}
.toolbar .field{margin:0}
.toolbar input,.toolbar select{min-width:150px}
.searchbox{position:relative}

/* ---- alert badges ---- */
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}
.b-scaduta{background:rgba(239,68,68,.18);color:#fca5a5;border:1px solid rgba(239,68,68,.4)}
.b-30{background:rgba(249,115,22,.18);color:#fdba74;border:1px solid rgba(249,115,22,.4)}
.b-60{background:rgba(234,179,8,.18);color:#fde047;border:1px solid rgba(234,179,8,.4)}
.b-90{background:rgba(59,130,246,.18);color:#93c5fd;border:1px solid rgba(59,130,246,.4)}
.b-ok{background:rgba(34,197,94,.15);color:#86efac;border:1px solid rgba(34,197,94,.35)}

/* ---- list ---- */
.list{display:flex;flex-direction:column;gap:8px}
.item{display:flex;align-items:center;gap:14px;background:var(--panel);border:1px solid var(--border);
  border-left:4px solid var(--border);border-radius:10px;padding:12px 16px;cursor:pointer;transition:.12s}
.item:hover{border-color:var(--accent);background:var(--panel2)}
.item .ico{width:38px;height:38px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;background:var(--accent-soft)}
.item .main{flex:1;min-width:0}
.item .title{font-weight:700}
.item .meta{color:var(--muted);font-size:13px;display:flex;gap:10px;flex-wrap:wrap}
.item .right{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.item .days{font-size:12px;color:var(--muted)}
.pill-strut{font-size:11px;padding:2px 8px;border-radius:6px;background:var(--panel2);border:1px solid var(--border)}

.section-h{display:flex;align-items:center;justify-content:space-between;margin:0 0 12px}
.section-h h2{font-size:18px;margin:0}
.counts{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.count{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:10px 14px;flex:1;min-width:110px}
.count b{display:block;font-size:22px}
.count span{font-size:12px;color:var(--muted)}

/* ---- calendar ---- */
.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-dow{text-align:center;color:var(--muted);font-size:12px;font-weight:700;padding:4px}
.cal-cell{min-height:92px;background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:6px;overflow:hidden}
.cal-cell.other{opacity:.4}
.cal-cell.today{border-color:var(--accent)}
.cal-date{font-size:12px;color:var(--muted);margin-bottom:4px}
.cal-ev{font-size:11px;padding:2px 6px;border-radius:5px;margin-bottom:3px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#fff}

/* popup */
.popup{position:fixed;z-index:60;background:var(--panel2);border:1px solid var(--accent);border-radius:10px;
  box-shadow:var(--shadow);padding:12px 14px;max-width:280px;font-size:13px;pointer-events:none}
.popup h4{margin:0 0 6px;font-size:14px}
.popup .kv{color:var(--muted)}

/* ---- detail / forms ---- */
.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:16px}
.kvtable{width:100%;border-collapse:collapse}
.kvtable td{padding:8px 6px;border-bottom:1px solid var(--border);vertical-align:top}
.kvtable td.k{color:var(--muted);width:170px}
.hist{border-left:2px solid var(--border);padding-left:14px;margin-left:6px}
.hist .h-item{margin-bottom:12px}

/* ---- modal ---- */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:80;display:flex;align-items:center;justify-content:center;padding:20px}

/* ---- table (log/users) ---- */
table.data{width:100%;border-collapse:collapse;font-size:14px}
table.data th,table.data td{padding:9px 10px;border-bottom:1px solid var(--border);text-align:left}
table.data th{color:var(--muted);font-weight:600;font-size:13px}

.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--panel2);border:1px solid var(--border);
  padding:12px 18px;border-radius:10px;box-shadow:var(--shadow);z-index:90}
.toast.ok{border-color:var(--green)} .toast.bad{border-color:var(--red)}

/* QR */
#qrbox{display:flex;justify-content:center;padding:14px;background:#fff;border-radius:10px;width:fit-content;margin:0 auto 14px}
.code{font-family:ui-monospace,Menlo,Consolas,monospace;background:var(--bg2);border:1px solid var(--border);
  padding:8px 12px;border-radius:8px;letter-spacing:2px;text-align:center;font-size:15px}

@media(max-width:640px){
  main{padding:14px}
  header.topbar{flex-wrap:wrap}
  nav.tabs{order:3;width:100%;justify-content:space-between}
  .item .right{display:none}
  .cal-cell{min-height:64px}
  .kvtable td.k{width:120px}
}