/* GB-GEST — UI glass */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:linear-gradient(135deg,#eef2f7 0%,#e3e9f2 100%);
  color:#1f2733;font-size:14px;min-height:100vh;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

.app{display:flex;min-height:100vh}

/* Sidebar */
.sidebar{
  width:230px;flex-shrink:0;
  background:linear-gradient(180deg,rgba(30,40,60,.96),rgba(20,28,45,.98));
  color:#dce4f0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.brand{padding:18px 18px;font-weight:700;font-size:17px;color:#fff;letter-spacing:.3px;
  border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar nav{flex:1;overflow-y:auto;padding:8px 0}
.nav-group{padding:14px 18px 4px;font-size:10px;text-transform:uppercase;letter-spacing:1px;color:#7f8ca5}
.nav-link{display:flex;align-items:center;gap:10px;padding:9px 18px;color:#c7d1e2;font-size:13.5px}
.nav-link:hover{background:rgba(255,255,255,.06);text-decoration:none;color:#fff}
.nav-link.active{background:var(--accent);color:#fff;box-shadow:inset 3px 0 0 rgba(255,255,255,.5)}
.nav-link .ico{width:20px;text-align:center}
.sidebar-foot{padding:14px 18px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:8px}
.sidebar-foot .me{font-size:12px;color:#aeb9cd;line-height:1.3}
.sidebar-foot .logout{color:#ff9b9b;font-size:12.5px;font-weight:600}

/* Content */
.content{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{padding:20px 26px 6px}
.topbar h1{margin:0;font-size:22px;font-weight:650;color:#233}
.page{padding:14px 26px 40px}

/* Card */
.card{background:rgba(255,255,255,.75);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.7);border-radius:14px;
  box-shadow:0 6px 24px rgba(40,60,90,.08);padding:18px 20px;margin-bottom:18px}
.card h2{margin:0 0 14px;font-size:16px;font-weight:650;color:#2a3648}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:12px;flex-wrap:wrap}
.card-head h2{margin:0}

/* Flash */
.flash{margin:12px 26px 0;padding:11px 16px;border-radius:10px;font-weight:550}
.flash.ok{background:#e6f6ec;color:#1c7a3e;border:1px solid #b6e3c6}
.flash.err{background:#fdeaea;color:#b32020;border:1px solid #f3c0c0}
.flash.warn{background:#fff6e5;color:#8a5a00;border:1px solid #f0d9a8}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  background:var(--accent);color:#fff;border:none;border-radius:9px;
  padding:9px 16px;font-size:13.5px;font-weight:600;text-decoration:none;transition:.15s}
.btn:hover{filter:brightness(1.08);text-decoration:none}
.btn.secondary{background:#eef1f6;color:#3a4658;border:1px solid #dbe1ea}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.btn.danger{background:#e15555}
.btn.success{background:#27ae60}
.btn.sm{padding:5px 10px;font-size:12px;border-radius:7px}

/* Tables */
.table-wrap{overflow-x:auto}
table.grid{width:100%;border-collapse:collapse;font-size:13px}
table.grid th,table.grid td{padding:9px 12px;text-align:left;border-bottom:1px solid #e8edf3;white-space:nowrap}
table.grid th{background:#f4f7fb;font-weight:600;color:#5a6678;position:sticky;top:0}
table.grid tr:hover td{background:rgba(255,255,255,.6)}
table.grid td.actions{text-align:right}
.empty{padding:30px;text-align:center;color:#8b97a8}

/* Badge */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:600}
.badge.rosso{background:#fdeaea;color:#c0392b}
.badge.verde{background:#e6f6ec;color:#1c7a3e}
.badge.giallo{background:#fff6e5;color:#a06a00}
.badge.blu{background:#e7f0fb;color:#2f6fb0}
.badge.grigio{background:#eef1f5;color:#697488}

/* Forms */
form.frm{max-width:900px}
.frm .row{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:2px}
.frm .fld{flex:1;min-width:180px;margin-bottom:14px}
.frm label{display:block;font-size:12px;font-weight:600;color:#5c6879;margin-bottom:5px}
.frm input[type=text],.frm input[type=email],.frm input[type=password],
.frm input[type=date],.frm input[type=datetime-local],.frm input[type=number],
.frm select,.frm textarea{
  width:100%;padding:9px 11px;border:1px solid #d5dce6;border-radius:9px;font-size:13.5px;
  background:#fff;color:#1f2733;transition:.15s}
.frm input:focus,.frm select:focus,.frm textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,111,176,.12)}
.frm textarea{min-height:80px;resize:vertical}
.frm .check{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.frm .check input{width:auto}
.frm .actions{margin-top:10px;display:flex;gap:10px}
.hint{font-size:11.5px;color:#8b97a8;margin-top:3px}

/* Toolbar / filters */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:16px}
.toolbar .fld{margin-bottom:0}
.toolbar input,.toolbar select{padding:8px 10px;border:1px solid #d5dce6;border-radius:9px;font-size:13px;background:#fff}

/* Stat tiles (dashboard) */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:20px}
.tile{background:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.7);border-radius:14px;
  padding:18px;box-shadow:0 6px 20px rgba(40,60,90,.07)}
.tile .n{font-size:30px;font-weight:700;color:var(--accent);line-height:1}
.tile .l{font-size:12.5px;color:#6a7788;margin-top:6px}
.tile.warn .n{color:#e08a00}
.tile.danger .n{color:#d0453b}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#243b55,#3a5a80)}
.login-card{background:rgba(255,255,255,.96);border-radius:18px;padding:34px 32px;width:360px;
  box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login-card h1{margin:0 0 4px;font-size:24px;color:#243b55}
.login-card p.sub{margin:0 0 22px;color:#7a869a;font-size:13px}
.login-err{background:#fdeaea;color:#b32020;padding:10px 14px;border-radius:9px;margin-bottom:14px;font-size:13px}

@media(max-width:760px){
  .sidebar{width:64px}.brand{font-size:0;padding:14px}.nav-link{justify-content:center;padding:12px 0}
  .nav-link span:not(.ico){display:none}.nav-group{display:none}.sidebar-foot .me{display:none}
}