:root{
  --bg:#0f1115; --panel:#171a21; --panel-2:#1f242e; --line:#2a313d;
  --txt:#e7ecf3; --muted:#9aa6b6; --accent:#3b82f6; --accent-2:#22c55e;
  --red:#ef4444; --amber:#f59e0b; --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--txt);-webkit-font-smoothing:antialiased;padding-bottom:80px}
.app{max-width:1100px;margin:0 auto;padding:16px}
.hidden{display:none !important}

header.top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}
.brand .logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#7c3aed);
  display:grid;place-items:center;font-size:18px}
.period{display:flex;align-items:center;gap:6px;background:var(--panel);border:1px solid var(--line);
  border-radius:12px;padding:6px 10px;font-size:13px;color:var(--muted)}
select,input{font:inherit;color:var(--txt);background:var(--panel-2);border:1px solid var(--line);
  border-radius:10px;padding:9px 11px;outline:none}
select:focus,input:focus{border-color:var(--accent)}
.btn{cursor:pointer;border:none;border-radius:12px;padding:11px 16px;font-weight:600;font-size:14px;
  background:var(--accent);color:#fff;transition:.15s;display:inline-flex;align-items:center;gap:7px}
.btn:hover{filter:brightness(1.1)}
.btn.ghost{background:var(--panel-2);color:var(--txt);border:1px solid var(--line)}
.btn.danger{background:var(--red)}
.btn.fab{position:fixed;right:18px;bottom:84px;border-radius:50%;width:58px;height:58px;font-size:26px;
  box-shadow:0 8px 24px rgba(59,130,246,.45);z-index:40;justify-content:center;padding:0}

nav.bottom{position:fixed;left:0;right:0;bottom:0;background:rgba(23,26,33,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);display:flex;z-index:30}
nav.bottom button{flex:1;background:none;border:none;color:var(--muted);padding:12px 4px 16px;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;gap:4px;font-size:11px;font-weight:600}
nav.bottom button .ic{font-size:20px}
nav.bottom button.active{color:var(--accent)}

.view{display:none;animation:fade .25s}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.grid{display:grid;gap:14px}
.kpis{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;
  box-shadow:0 1px 2px rgba(0,0,0,.25)}
.kpi{position:relative;overflow:hidden}
.kpi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);opacity:.6}
.kpi .label{font-size:12px;color:var(--muted);letter-spacing:.02em}
.kpi .val{font-size:25px;font-weight:700;margin-top:6px}
.kpi .sub{font-size:12px;color:var(--muted);margin-top:4px}
.pos{color:var(--accent-2)} .neg{color:var(--red)}
h2.section{font-size:15px;font-weight:700;margin:22px 0 12px}
h2.section:first-child{margin-top:0}

.settle{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.settle .pill{background:var(--panel-2);border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:14px}
.avatar{width:30px;height:30px;border-radius:50%;display:inline-grid;place-items:center;color:#fff;font-weight:700;font-size:13px}

.split-row{display:flex;align-items:center;gap:12px;margin-top:10px}
.split-bar{flex:1;height:14px;border-radius:999px;overflow:hidden;display:flex;background:var(--panel-2)}
input[type=range]{width:100%}

table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;
  letter-spacing:.03em;padding:8px;border-bottom:1px solid var(--line)}
td{padding:11px 8px;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:none}
.tag{font-size:11px;padding:3px 8px;border-radius:999px;font-weight:600}
.tag.cond{background:rgba(168,85,247,.16);color:#c89bff}
.tag.pers{background:rgba(59,130,246,.16);color:#8fbcff}
.amt-in{color:var(--accent-2);font-weight:600}
.amt-out{color:var(--red);font-weight:600}
.muted{color:var(--muted)}
.small{font-size:12px}
.rowbtn{background:none;border:none;color:var(--muted);cursor:pointer;font-size:15px;padding:4px 8px}
.rowbtn:hover{color:var(--red)}

.overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);display:none;z-index:50;align-items:flex-end;justify-content:center}
.overlay.open{display:flex}
.sheet{background:var(--panel);width:100%;max-width:480px;border-radius:20px 20px 0 0;padding:20px;
  border:1px solid var(--line);animation:up .25s;max-height:90vh;overflow:auto}
@keyframes up{from{transform:translateY(40px);opacity:.5}to{transform:none;opacity:1}}
.field{margin-bottom:12px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.field input,.field select{width:100%}
.seg{display:flex;gap:8px}
.seg button{flex:1;padding:10px;border-radius:10px;border:1px solid var(--line);background:var(--panel-2);
  color:var(--muted);cursor:pointer;font-weight:600}
.seg button.on{background:var(--accent);color:#fff;border-color:var(--accent)}
.seg.green button.on{background:var(--accent-2);border-color:var(--accent-2)}

.chart-wrap{position:relative;height:240px}
.add-desktop{display:none}

/* Gestione utenti */
.user-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.user-row:last-of-type{border-bottom:none}
.user-add{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}

/* Login */
.login-wrap{min-height:90vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{width:100%;max-width:380px}
.login-card .brand{justify-content:center;font-size:22px;margin-bottom:6px}
.login-card .tagline{text-align:center;color:var(--muted);margin-bottom:22px;font-size:14px}
.err{color:var(--red);font-size:13px;min-height:18px;margin-top:6px}

.cat-chip{display:inline-flex;align-items:center;gap:8px;background:var(--panel-2);border:1px solid var(--line);
  border-radius:999px;padding:6px 12px;margin:4px;font-size:13px}
.cat-chip .dot{width:10px;height:10px;border-radius:50%}

@media(min-width:760px){
  body{padding-bottom:20px}
  nav.bottom{position:static;background:none;border:none;justify-content:flex-start;gap:6px;margin-bottom:18px}
  nav.bottom button{flex:none;flex-direction:row;background:var(--panel);border:1px solid var(--line);
    border-radius:12px;padding:10px 16px;font-size:14px}
  nav.bottom button.active{background:var(--accent);color:#fff;border-color:var(--accent)}
  .btn.fab{display:none}
  .overlay{align-items:center}
  .sheet{border-radius:20px}
  .add-desktop{display:inline-flex}
}
@media(max-width:600px){ .kpis{grid-template-columns:1fr 1fr} #casaCharts{grid-template-columns:1fr !important} }