:root{
    --bg:#eef3f0;
    --bg-soft:#e1e9e4;
    --panel:#ffffff;
    --text:#20322d;
    --muted:#64776f;
    --line:#cfdbd5;
    --primary:#3f5d54;
    --primary-dark:#2f4941;
    --primary-2:#4f6e65;
    --primary-soft:#edf4f0;
    --accent:#7c968c;
    --danger:#b42318;
    --warn:#b54708;
    --ok:#067647;
    --blue:#315f8f;
    --shadow:0 16px 38px rgba(38,63,56,.10);
    --shadow-strong:0 22px 58px rgba(38,63,56,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--primary);text-decoration:none}
.app-shell{display:flex;min-height:100vh}

/* Sidebar */
.sidebar{
    width:305px;
    background:
      radial-gradient(circle at 20% 0%, rgba(255,255,255,.12), transparent 30%),
      linear-gradient(180deg,#2f4941 0%,#3f5d54 55%,#344e46 100%);
    color:white;
    padding:22px;
    display:flex;
    flex-direction:column;
    gap:22px;
    position:fixed;
    top:0;
    bottom:0;
    left:0;
    box-shadow:10px 0 28px rgba(38,63,56,.18);
    z-index:10;
}
.brand{padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.17)}
.brand-stacked{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.brand-logo{display:grid;place-items:center}
.brand-logo-full{
    width:100%;
    min-height:118px;
    padding:16px 18px;
    border-radius:20px;
    background:#ffffff;
    border:1px solid rgba(255,255,255,.55);
    box-shadow:0 14px 30px rgba(20,38,32,.18);
    display:flex;
    align-items:center;
    justify-content:center;
}
.brand-logo-full img{
    width:100%;
    max-width:210px;
    height:auto;
    display:block;
    filter:none;
}
.brand-copy strong{display:block;line-height:1.18;font-size:15px}
.brand-copy span{font-size:13px;opacity:.78}
.nav{display:grid;gap:8px}
.nav a{
    color:white;
    padding:12px 14px;
    border-radius:13px;
    opacity:.88;
    font-weight:700;
    display:flex;
    align-items:center;
    justify-content:space-between;
    transition:background .15s ease, opacity .15s ease, transform .15s ease;
}
.nav a:after{content:"›";opacity:.35;font-size:18px;line-height:1}
.nav a.active,.nav a:hover{background:rgba(255,255,255,.15);opacity:1;transform:translateX(2px)}
.sidebar-footer{
    margin-top:auto;
    display:grid;
    gap:8px;
    font-size:13px;
    opacity:.92;
    padding-top:14px;
    border-top:1px solid rgba(255,255,255,.15);
}
.sidebar-footer a{color:white;text-decoration:underline}

/* Main */
.main{
    margin-left:305px;
    width:calc(100% - 305px);
    min-height:100vh;
    padding:28px;
    background:
      radial-gradient(circle at 90% 0%, rgba(63,93,84,.10), transparent 30%),
      linear-gradient(180deg,#f8faf8 0,#f3f7f4 55%,#eef4f0 100%);
}
.topbar{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    gap:20px;
    margin-bottom:22px;
    background:rgba(255,255,255,.82);
    border:1px solid var(--line);
    border-radius:24px;
    padding:22px;
    box-shadow:0 12px 26px rgba(38,63,56,.06);
    backdrop-filter:blur(8px);
}
.topbar h1{margin:0 0 6px;font-size:30px;color:var(--primary-dark);letter-spacing:-.03em}
.topbar p{margin:0;color:var(--muted)}
.top-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

.card{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:22px;
    box-shadow:var(--shadow);
    padding:20px;
    margin-bottom:18px;
}
.card h2{color:var(--primary-dark);margin:0 0 14px;font-size:20px}
.card h3{color:var(--primary-dark);margin:0 0 10px;font-size:17px}
.grid{display:grid;gap:18px}
.grid.kpi{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid.two{grid-template-columns:1.25fr .75fr}

/* KPI */
.kpi-card{
    position:relative;
    overflow:hidden;
    min-height:138px;
    padding:20px;
    background:
      radial-gradient(circle at 100% 0%, rgba(63,93,84,.10), transparent 36%),
      white;
}
.kpi-card:before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    right:0;
    height:5px;
    background:linear-gradient(90deg,var(--primary),var(--accent));
}
.kpi-card strong{display:block;font-size:34px;color:var(--primary-dark);letter-spacing:-.04em}
.kpi-card span{color:var(--muted);font-weight:750}
.kpi-card small{display:block;margin-top:10px;color:#7a8d85;line-height:1.35}

/* Dashboard cards */
.dashboard-hero{
    background:
      linear-gradient(135deg, rgba(47,73,65,.96), rgba(63,93,84,.92)),
      radial-gradient(circle at 90% 10%, rgba(255,255,255,.20), transparent 30%);
    color:white;
    border:0;
    box-shadow:var(--shadow-strong);
}
.dashboard-hero h2{color:white;font-size:24px;margin-bottom:8px}
.dashboard-hero p{color:rgba(255,255,255,.82);margin:0;line-height:1.55}
.quick-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.quick-actions .btn{background:white;color:var(--primary-dark);box-shadow:none}
.quick-actions .btn:hover{background:#eef4f0}
.status-list{display:grid;gap:12px}
.status-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:13px 14px;
    border:1px solid var(--line);
    border-radius:15px;
    background:#fbfcfb;
}
.status-row strong{display:block;color:var(--primary-dark)}
.status-row span{display:block;color:var(--muted);font-size:13px;margin-top:2px}

/* Tables */
.table-wrap{overflow:auto;border-radius:16px;border:1px solid var(--line);background:white}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{
    background:#edf4f0;
    font-size:12px;
    text-transform:uppercase;
    letter-spacing:.04em;
    color:#455b53;
    position:sticky;
    top:0;
    z-index:1;
}
tr:last-child td{border-bottom:0}
tbody tr:hover td{background:#fbfdfc}

.actions{display:flex;gap:8px;flex-wrap:wrap}
.btn,button{
    border:0;
    border-radius:12px;
    background:var(--primary);
    color:white;
    padding:10px 14px;
    font-weight:800;
    cursor:pointer;
    display:inline-block;
    box-shadow:0 8px 18px rgba(56,86,77,.16);
    transition:background .15s ease, transform .15s ease;
}
.btn:hover,button:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn.secondary{background:#e5eee9;color:var(--primary-dark)}
.btn.danger{background:var(--danger)}
.btn.ghost{background:white;color:var(--primary);border:1px solid var(--line);box-shadow:none}

.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-grid .full{grid-column:1/-1}
label{font-weight:750;font-size:13px;display:block;margin-bottom:7px;color:var(--primary-dark)}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:11px 12px;font:inherit;background:white}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(56,86,77,.13)}
textarea{min-height:90px;resize:vertical}
.help{font-size:12px;color:var(--muted);margin-top:4px}
.alert{padding:13px 15px;border-radius:12px;margin-bottom:16px;border:1px solid}
.alert-success{background:#ecfdf3;border-color:#abefc6;color:#067647}
.alert-warning{background:#fffaeb;border-color:#fedf89;color:#b54708}
.alert-danger{background:#fef3f2;border-color:#fecdca;color:#b42318}
.badge{display:inline-flex;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:850;white-space:nowrap}
.badge.ok{background:#ecfdf3;color:var(--ok)}
.badge.warn{background:#fffaeb;color:var(--warn)}
.badge.danger{background:#fef3f2;color:var(--danger)}
.badge.neutral{background:#f2f4f7;color:#475467}
.empty{color:var(--muted);padding:22px;text-align:center}
.muted{color:var(--muted)}

/* Login */
.login-page{
    min-height:100vh;
    display:grid;
    place-items:center;
    padding:34px;
    background:
      radial-gradient(circle at 15% 15%, rgba(255,255,255,.10), transparent 30%),
      radial-gradient(circle at 85% 20%, rgba(255,255,255,.08), transparent 22%),
      linear-gradient(135deg, #2f4941 0%, #3f5d54 55%, #4f6e65 100%);
}
.login-card{
    width:min(520px,94vw);
    background:rgba(255,255,255,.98);
    padding:34px 34px 28px;
    border-radius:28px;
    box-shadow:0 28px 80px rgba(20,38,32,.28);
    border:1px solid rgba(255,255,255,.68);
}
.login-logo-wrap{
    display:flex;
    justify-content:center;
    align-items:center;
    margin:4px 0 18px;
}
.login-logo-img{
    width:min(250px,72%);
    height:auto;
    display:block;
    filter:drop-shadow(0 6px 14px rgba(0,0,0,.08));
}
.login-title-block{margin-bottom:22px}
.login-card h1{
    margin:0 0 10px;
    text-align:center;
    color:var(--primary-dark);
    font-size:31px;
    line-height:1.08;
    letter-spacing:-.03em;
}
.login-card .subtitle{text-align:center;margin:0;color:var(--muted);line-height:1.45}
.login-form input{padding:14px 15px;border-radius:13px;margin-bottom:16px}
.login-form button{width:100%;padding:14px 16px;margin-top:4px;font-size:15px}
.login-foot{text-align:center;margin-top:16px;line-height:1.45}
.login-version{margin-top:10px;text-align:center;color:#8ba097;font-size:11px}

@media(max-width:1050px){
    .grid.kpi{grid-template-columns:repeat(2,minmax(0,1fr))}
    .grid.two{grid-template-columns:1fr}
}
@media(max-width:900px){
    .sidebar{position:static;width:100%;border-radius:0}
    .app-shell{display:block}
    .main{margin-left:0;width:100%;padding:18px}
    .form-grid{grid-template-columns:1fr}
    .topbar{display:block}
    .top-actions{margin-top:12px}
}
@media(max-width:560px){
    .grid.kpi{grid-template-columns:1fr}
    .login-card{padding:24px 20px}
    .login-card h1{font-size:28px}
    .login-logo-img{width:min(220px,78%)}
}


/* Fix v2.4 - Logo dashboard/sidebar leggibile */
.sidebar .brand-logo-full{
    width:100%;
    min-height:118px;
    padding:16px 18px;
    border-radius:20px;
    background:#ffffff !important;
    border:1px solid rgba(255,255,255,.55);
    box-shadow:0 14px 30px rgba(20,38,32,.18);
    display:flex;
    align-items:center;
    justify-content:center;
}
.sidebar .brand-logo-full img{
    width:100%;
    max-width:210px;
    height:auto;
    display:block;
    filter:none !important;
}
.sidebar .brand-copy{
    padding-left:2px;
}
.sidebar .brand-copy strong{
    color:#ffffff;
    font-size:15px;
}
.sidebar .brand-copy span{
    color:rgba(255,255,255,.82);
}