:root{--bg:#f4f6f9;--surface:#fff;--primary:#1a73e8;--primary-dark:#1557b0;--text:#202124;--text-secondary:#5f6368;--border:#e2e8f0;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--sidebar-w:260px}
.dark{--bg:#0f172a;--surface:#1e293b;--primary:#3b82f6;--text:#f8fafc;--text-secondary:#94a3b8;--border:#334155}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);transition:background .3s,color .3s; overflow-x: hidden;}

#login-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#1a73e8,#0d47a1); padding: 20px;}
.login-card{background:#fff;border-radius:16px;padding:48px 40px;width:100%;max-width:400px;box-shadow:0 20px 60px rgba(0,0,0,.3);text-align:center}
.login-card h1{font-size:28px;color:#1a73e8;margin-bottom:8px}
.login-card p{color:#666;margin-bottom:32px;font-size:14px}
.login-card input{width:100%;padding:14px 16px;border:2px solid #dadce0;border-radius:8px;font-size:15px;margin-bottom:16px;outline:none; transition: border 0.2s;}
.login-card input:focus{border-color:#1a73e8}
.login-card button{width:100%;padding:14px;background:#1a73e8;color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer; transition: transform 0.2s;}
.login-card button:hover{background:#1557b0; transform: scale(1.02);}
#login-error{color:#ea4335;font-size:13px;margin-top:12px;min-height:20px}

#app{display:none;min-height:100vh}
.topbar{position:fixed;top:0;left:0;right:0;height:64px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;gap:16px;z-index:100;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.topbar .logo{font-size:20px;font-weight:800;color:var(--primary);flex:1; letter-spacing: -0.5px;}
.topbar .save-ind{font-size:13px;font-weight:600;color:var(--success)}
.topbar button{padding:8px 16px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;font-size:14px; font-weight: 500; transition: background 0.2s}
.topbar button:hover{background:var(--bg)}
.hamburger{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--text)}

.layout{display:flex;padding-top:64px;min-height:100vh}
.sidebar{position:fixed;top:64px;left:0;bottom:0;width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);padding:24px 16px;overflow-y:auto;z-index:90;transition:transform .3s}
.sidebar.closed{transform:translateX(calc(-1*var(--sidebar-w)))}
.nav-item{display:flex;align-items:center;gap:14px;padding:12px 16px;border-radius:12px;cursor:pointer;font-size:15px;font-weight:600;color:var(--text-secondary);margin-bottom:6px;transition:all .2s}
.nav-item:hover{background:var(--bg);color:var(--text)}
.nav-item.active{background:var(--primary);color:#fff; box-shadow: 0 4px 12px rgba(26,115,232,0.25)}
.nav-item .icon{font-size:20px;width:26px;text-align:center}

.month-sel{margin-bottom:28px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.month-sel label{font-size:12px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;display:block;margin-bottom:10px}
.month-sel input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:10px;font-size:15px;font-weight:600;background:var(--bg);color:var(--text);outline:none;cursor:pointer}

.main{margin-left:var(--sidebar-w);flex:1;padding:32px;transition:margin-left .3s}
.section{display:none; max-width: 1200px; margin: 0 auto;}
.section.active{display:block; animation: fadeIn 0.3s ease-in-out;}
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.section-title{font-size:26px;font-weight:800;margin-bottom:28px;display:flex;justify-content:space-between;align-items:center; letter-spacing: -0.5px;}

.dash-group { background: var(--surface); border-radius: 20px; padding: 28px; margin-bottom: 28px; box-shadow: 0 4px 20px rgba(0,0,0,0.03); border: 1px solid var(--border); }
.dash-group-header { font-size: 18px; font-weight: 800; color: var(--text); margin-bottom: 24px; display: flex; align-items: center; gap: 10px; border-bottom: 2px solid var(--bg); padding-bottom: 16px; letter-spacing: -0.3px;}

.kpi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px;}
.kpi{background:var(--bg);border-radius:16px;padding:22px;border:1px solid var(--border);text-align:center; transition: transform 0.2s;}
.kpi .label{font-size:12px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:12px}
.kpi .value{font-size:26px;font-weight:800; letter-spacing: -1px;}
.kpi .value.pos{color:var(--success)}
.kpi .value.neg{color:var(--danger)}
.kpi .value.warn{color:var(--warning)}

.card{background:var(--surface);border-radius:20px;padding:28px;border:1px solid var(--border);margin-bottom:24px;box-shadow:0 4px 20px rgba(0,0,0,0.03)}
.card-title{font-size:15px;font-weight:800;color:var(--text);margin-bottom:20px;text-transform:uppercase;letter-spacing:1px; border-bottom: 2px solid var(--bg); padding-bottom: 10px;}

.treasury-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}
.t-item{background:var(--bg);border-radius:16px;padding:24px;border:1px solid var(--border);text-align:center}
.t-label{font-size:13px;color:var(--text-secondary);margin-bottom:12px;font-weight:700;text-transform:uppercase}
.t-value{font-size:32px;font-weight:800;border:none;background:transparent;text-align:center;width:100%;outline:none;color:var(--text); letter-spacing: -1px;}

.row-actions{display:flex;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.row-actions input,.row-actions select{padding:12px 16px;border:1px solid var(--border);border-radius:10px;font-size:15px;font-weight:500;background:var(--bg);color:var(--text);outline:none;flex:1;min-width:140px;}
.btn{padding:10px 18px;border-radius:10px;border:none;font-size:14px;font-weight:700;cursor:pointer;transition:all .2s; white-space: nowrap;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-danger{background:var(--danger);color:#fff}
.btn-success{background:var(--success);color:#fff;}
.btn-outline{background:transparent; border: 2px solid var(--success); color: var(--success);}
.btn-outline:hover{background:var(--success); color: #fff;}
.btn-sm{padding:6px 12px;font-size:12px}

/* Wrapper per evitare che le tabelle rompano il layout */
.table-wrapper { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
table{width:100%;border-collapse:separate; border-spacing: 0; margin-top: 10px; min-width: 600px;}
th{font-size:12px;font-weight:800;color:var(--text-secondary);text-transform:uppercase;padding:14px 16px;border-bottom:2px solid var(--border);text-align:left;}
td{padding:16px;border-bottom:1px solid var(--border);font-size:14px; vertical-align: middle;}
tr:hover td{background:var(--bg)}
.amt-pos{color:var(--success);font-weight:700}
.amt-neg{color:var(--danger);font-weight:700}

.badge{display:inline-block;padding:4px 10px;border-radius:8px;font-size:12px;font-weight:700}
.b-ok{background:#d1fae5;color:#059669;}
.b-wait{background:#fef3c7;color:#d97706;}
.b-blue{background:#eff6ff;color:#2563eb;}
.b-purple{background:#f3e8ff;color:#9333ea;}

/* =========================================================
   📱 LA MAGIA DEL RESPONSIVE (VERSIONE BLINDATA ANTI-ZOOM) 📱
   ========================================================= */
@media(max-width:768px){
  .hamburger{display:block}
  .topbar { padding: 0 15px; }
  .topbar .logo { font-size: 18px; }
  .sidebar{transform:translateX(-100%); width: 280px; box-shadow: none; padding-top: 20px;}
  .sidebar.open{transform:translateX(0); box-shadow: 50px 0 150px rgba(0,0,0,0.6);} 

  /* Blocchiamo la larghezza esatta allo schermo del telefono */
  .main { margin-left:0; padding:15px; padding-top: 20px; width: 100vw; max-width: 100vw; box-sizing: border-box; overflow-x: hidden; }
  .section { width: 100%; max-width: 100%; }
  .section-title { font-size: 22px; margin-bottom: 20px; line-height: 1.2; flex-wrap: wrap;}
  
  /* Cards corazzate */
  .dash-group, .card { padding: 15px; margin-bottom: 20px; width: 100%; max-width: 100%; overflow: hidden; box-sizing: border-box; }

  /* Campi di input e bottoni larghi */
  .row-actions{flex-direction:column; gap: 12px; margin-bottom: 15px;}
  .row-actions input, .row-actions select, .row-actions button { width: 100%; min-width: 100%; box-sizing: border-box; }
  
  /* Griglie KPI a 2 colonne per recuperare spazio */
  .kpi-grid{grid-template-columns: 1fr 1fr !important; gap: 12px;}
  .treasury-grid{grid-template-columns: 1fr 1fr; gap: 12px;}
  .kpi { padding: 12px; }
  .kpi .value { font-size: 20px !important; }
  .t-item { padding: 15px; }
  .t-value { font-size: 24px; }

  /* Tabelle fluide che scorrono senza allargare lo schermo */
  th, td { padding: 12px 10px; font-size: 13px; white-space: nowrap; }
}

@media(max-width:480px){
  /* Su telefoni strettissimi mettiamo in colonna singola */
  .kpi-grid{grid-template-columns: 1fr !important;} 
  .treasury-grid{grid-template-columns: 1fr;}
}