/* ==========================================================================
   Consiglio Orientativo — Stile istituzionale (Pubblica Amministrazione)
   Palette: blu istituzionale, bianco, grigio chiaro
   ========================================================================== */
:root {
    --pa-blue: #0059b3;
    --pa-blue-dark: #003d80;
    --pa-blue-darker: #002b5c;
    --pa-blue-light: #e7f0fb;
    --pa-gray: #f4f6f9;
    --pa-gray-border: #dfe4ea;
    --pa-text: #1b2733;
    --pa-muted: #5b6b7b;
    --sidebar-w: 260px;
}

* { box-sizing: border-box; }
body {
    font-family: "Titillium Web", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--pa-gray);
    color: var(--pa-text);
    margin: 0;
}

/* ---------- LOGIN ---------- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--pa-blue-darker) 0%, var(--pa-blue) 100%);
    padding: 20px;
}
.login-box {
    background: #fff;
    width: 100%;
    max-width: 420px;
    border-radius: 14px;
    padding: 40px 36px;
    box-shadow: 0 18px 50px rgba(0, 43, 92, 0.35);
}
.login-header { text-align: center; margin-bottom: 28px; }
.login-logo { font-size: 3rem; color: var(--pa-blue); }
.login-header h1 { font-size: 1.5rem; font-weight: 700; margin: 12px 0 4px; color: var(--pa-blue-dark); }
.login-header p { color: var(--pa-muted); margin: 0; font-size: .9rem; }
.login-footer { text-align: center; margin-top: 22px; color: var(--pa-muted); font-size: .8rem; }

/* ---------- LAYOUT ---------- */
.app-wrapper { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-w);
    background: linear-gradient(180deg, var(--pa-blue-darker), var(--pa-blue-dark));
    color: #fff;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 1030;
    transition: transform .25s ease;
}
.sidebar-brand {
    display: flex; align-items: center; gap: 12px;
    padding: 20px 18px;
    border-bottom: 1px solid rgba(255,255,255,.12);
}
.sidebar-brand .bi { font-size: 1.8rem; }
.brand-title { display: block; font-weight: 700; font-size: 1.02rem; line-height: 1.1; }
.brand-sub { display: block; font-size: .72rem; opacity: .7; }
.sidebar-nav { flex: 1; padding: 12px 10px; overflow-y: auto; }
.sidebar-nav .nav-link {
    color: rgba(255,255,255,.82);
    border-radius: 8px;
    padding: 10px 14px;
    margin-bottom: 4px;
    display: flex; align-items: center; gap: 12px;
    font-size: .93rem;
    transition: background-color .18s, color .18s;
}
.sidebar-nav .nav-link:hover { background: rgba(255,255,255,.10); color: #fff; }
.sidebar-nav .nav-link.active { background: #fff; color: var(--pa-blue-dark); font-weight: 600; }
.sidebar-footer { padding: 12px 10px; border-top: 1px solid rgba(255,255,255,.12); }

.main-area {
    flex: 1;
    margin-left: var(--sidebar-w);
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.topbar {
    background: #fff;
    border-bottom: 1px solid var(--pa-gray-border);
    padding: 12px 24px;
    display: flex; align-items: center; gap: 16px;
    position: sticky; top: 0; z-index: 1020;
}
.topbar .breadcrumb { font-size: .85rem; }
.topbar-user { display: flex; align-items: center; gap: 12px; white-space: nowrap; }
.user-name { font-size: .9rem; color: var(--pa-text); }
.badge-role { font-size: .7rem; padding: 4px 10px; border-radius: 20px; font-weight: 600; color: #fff; }
.badge-admin { background: #b30059; }
.badge-docente { background: var(--pa-blue); }
.badge-segreteria { background: #0a7d5a; }

.content { padding: 24px; flex: 1; }
.page-title-row { margin-bottom: 20px; }
.page-title { font-size: 1.6rem; font-weight: 700; color: var(--pa-blue-dark); margin: 0; }
.app-footer { padding: 14px 24px; color: var(--pa-muted); font-size: .8rem; border-top: 1px solid var(--pa-gray-border); background: #fff; }

/* ---------- COMPONENTI ---------- */
.card { border: 1px solid var(--pa-gray-border); border-radius: 12px; }
.card-institutional { border-top: 4px solid var(--pa-blue); }

.stat-card {
    background: #fff;
    border: 1px solid var(--pa-gray-border);
    border-radius: 12px;
    padding: 20px;
    display: flex; align-items: center; gap: 16px;
    transition: transform .18s, box-shadow .18s;
    height: 100%;
}
.stat-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(0,43,92,.10); }
.stat-icon {
    width: 54px; height: 54px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: #fff; flex-shrink: 0;
}
.stat-value { font-size: 1.8rem; font-weight: 700; line-height: 1; color: var(--pa-text); }
.stat-label { color: var(--pa-muted); font-size: .85rem; }

.bg-blue { background: var(--pa-blue); }
.bg-green { background: #0a7d5a; }
.bg-orange { background: #e08b00; }
.bg-purple { background: #6f42c1; }
.bg-red { background: #b30059; }
.text-pa-blue { color: var(--pa-blue) !important; }

.btn-primary { background: var(--pa-blue); border-color: var(--pa-blue); }
.btn-primary:hover { background: var(--pa-blue-dark); border-color: var(--pa-blue-dark); }
.btn-outline-primary { color: var(--pa-blue); border-color: var(--pa-blue); }
.btn-outline-primary:hover { background: var(--pa-blue); border-color: var(--pa-blue); }
a { color: var(--pa-blue); }

.table thead th { background: var(--pa-blue-light); color: var(--pa-blue-dark); font-size: .82rem; text-transform: uppercase; letter-spacing: .3px; }
.table td { vertical-align: middle; }

.badge-state-completo { background: #0a7d5a; }
.badge-state-parziale { background: #e08b00; }
.badge-state-vuoto { background: #adb5bd; }
.badge-state-definitivo { background: #6f42c1; }

.progress { height: 20px; background: #e9ecef; border-radius: 20px; }
.progress-bar { background: var(--pa-blue); font-size: .72rem; font-weight: 600; }

.page-header-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.filter-bar { background: #fff; border: 1px solid var(--pa-gray-border); border-radius: 12px; padding: 14px 16px; margin-bottom: 18px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 991.98px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.show { transform: translateX(0); }
    .main-area { margin-left: 0; }
}