*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --primary: #1e40af; --success: #16a34a; --danger: #dc2626; --warning: #d97706;
    --bg: #f1f5f9; --card-bg: #ffffff; --text: #1e293b; --muted: #64748b;
    --border: #e2e8f0; --radius: 8px;
}
body { font-family: system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); font-size: 15px; }

/* Navbar */
.navbar { background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: space-between; padding: 0 16px; height: 56px; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 8px rgba(0,0,0,.2); }
.navbar-brand { font-weight: 700; font-size: 18px; white-space: nowrap; }
.navbar-menu { display: flex; align-items: center; gap: 4px; }
.nav-link { color: rgba(255,255,255,.85); text-decoration: none; padding: 8px 12px; border-radius: var(--radius); font-size: 14px; transition: all .15s; white-space: nowrap; }
.nav-link:hover { background: rgba(255,255,255,.15); color: #fff; }
.nav-user { display: flex; align-items: center; gap: 4px; margin-left: 16px; border-left: 1px solid rgba(255,255,255,.3); padding-left: 16px; }
.nav-logout { color: rgba(255,200,200,.9); }

/* Hamburger Menu */
.hamburger { display: none; background: none; border: none; color: #fff; font-size: 24px; cursor: pointer; padding: 0 8px; }

/* Mobile Menu */
.navbar-menu.mobile-open {
    position: fixed; top: 56px; left: 0; right: 0; background: var(--primary); flex-direction: column; align-items: stretch; gap: 0; display: flex !important; z-index: 99; box-shadow: 0 4px 8px rgba(0,0,0,.2);
}
.navbar-menu.mobile-open .nav-link { padding: 12px 20px; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,.1); text-align: left; }
.navbar-menu.mobile-open .nav-user { border-left: none; padding-left: 0; border-bottom: 1px solid rgba(255,255,255,.1); flex-direction: column; align-items: flex-start; gap: 0; margin-left: 0; padding: 0; }
.navbar-menu.mobile-open .nav-user .nav-link { border-bottom: 1px solid rgba(255,255,255,.1); }

@media (max-width: 768px) {
    .navbar { padding: 0 12px; }
    .navbar-brand { font-size: 16px; }
    .hamburger { display: block; }
    .navbar-menu { display: none; }
    .nav-link { font-size: 13px; padding: 6px 8px; }
}

/* Layout */
.main-content { max-width: 1200px; margin: 0 auto; padding: 24px 16px; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.page-header h1 { font-size: 22px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 768px) { .two-col { grid-template-columns: 1fr; } }

/* Cards */
.card { background: var(--card-bg); border-radius: var(--radius); border: 1px solid var(--border); margin-bottom: 20px; overflow: hidden; }
.card-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.card-header h2 { font-size: 16px; font-weight: 600; }
.card-footer { padding: 16px 20px; border-top: 1px solid var(--border); background: #f8fafc; }

/* Stats */
.stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 20px; }
.stat-card { background: var(--card-bg); border-radius: var(--radius); padding: 20px; text-align: center; border: 1px solid var(--border); }
.stat-number { font-size: 36px; font-weight: 700; }
.stat-label { color: var(--muted); font-size: 13px; margin-top: 4px; }
.stat-arrivals .stat-number { color: var(--success); }
.stat-departures .stat-number { color: var(--warning); }
.stat-current .stat-number { color: var(--primary); }

/* Calendar */
.calendar-legend { display: flex; gap: 16px; padding: 12px 20px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
#calendar { padding: 16px; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: var(--radius);
    font-size: 14px; background: #fff; color: var(--text); transition: border-color .15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,64,175,.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; padding-top: 8px; }
.form-hint { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }
form { padding: 20px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; border-radius: var(--radius); font-size: 14px; font-weight: 500; cursor: pointer; border: none; text-decoration: none; transition: opacity .15s; background: #e2e8f0; color: var(--text); }
.btn:hover { opacity: .85; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-secondary { background: #e2e8f0; color: var(--text); }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-full { width: 100%; justify-content: center; }
.btn-link { display: block; text-align: center; margin-top: 12px; color: var(--primary); font-size: 14px; text-decoration: none; }

/* Tables */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; padding: 10px 16px; background: #f8fafc; border-bottom: 2px solid var(--border); font-size: 12px; text-transform: uppercase; color: var(--muted); }
.table td { padding: 12px 16px; border-bottom: 1px solid var(--border); }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: #f8fafc; }
.row-disabled td { opacity: .5; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 12px; font-weight: 500; }
.badge-admin { background: #dbeafe; color: #1e40af; }
.badge-operator { background: #f0fdf4; color: #16a34a; }
.badge-success { background: #dcfce7; color: #16a34a; }
.badge-danger { background: #fee2e2; color: #dc2626; }
.badge-manual { background: #dbeafe; color: #1e40af; }
.badge-airbnb { background: #fee2e2; color: #dc2626; }
.badge-booking { background: #e0f2fe; color: #0369a1; }
.badge-homeexchange { background: #dcfce7; color: #16a34a; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 14px; }
.alert-success { background: #dcfce7; color: #15803d; border: 1px solid #bbf7d0; }
.alert-danger { background: #fee2e2; color: #b91c1c; border: 1px solid #fecaca; }
.alert-warning { background: #fef9c3; color: #92400e; border: 1px solid #fde68a; }

/* Login */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--primary); }
.login-box { background: #fff; border-radius: 12px; padding: 40px; width: 100%; max-width: 400px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo h1 { font-size: 24px; color: var(--primary); }
.login-logo p { color: var(--muted); font-size: 14px; margin-top: 4px; }
.mfa-info { color: var(--muted); font-size: 14px; margin-bottom: 16px; text-align: center; }

/* Misc */
.empty-state { color: var(--muted); font-size: 14px; padding: 20px; text-align: center; }
.text-muted { color: var(--muted); font-size: 14px; padding: 0 20px 16px; }
/* Documenti */
.docs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; padding: 16px 20px; }
.doc-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: #f8fafc; display: flex; flex-direction: column; }
.doc-card-header { display: flex; align-items: center; justify-content: space-between; padding: 8px 10px; border-bottom: 1px solid var(--border); background: #fff; }
.doc-card-img { width: 100%; height: 120px; object-fit: cover; cursor: pointer; transition: opacity .2s; }
.doc-card-img:hover { opacity: .85; }
.doc-card-pdf { text-align: center; padding: 24px 8px; font-size: 28px; }
.doc-card-size { display: block; text-align: center; font-size: 11px; color: var(--muted); padding: 4px; }
.badge-doc { background: #e0f2fe; color: #0369a1; }
.btn-icon-danger { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 14px; padding: 2px 6px; border-radius: 4px; }
.btn-icon-danger:hover { background: #fee2e2; }
code { background: #f1f5f9; padding: 2px 6px; border-radius: 4px; font-size: 13px; word-break: break-all; }
.footer { text-align: center; padding: 24px; color: var(--muted); font-size: 13px; }
.footer a { color: var(--primary); }