:root {
    --cfs-dark: #171717;
    --cfs-black: #111111;
    --cfs-charcoal: #262626;
    --cfs-red: #C8102E;
    --cfs-red-bright: #E60000;
    --cfs-red-hover: #A80725;
    --cfs-red-soft: #FF7386;
    --cfs-bg: #F9F9F9;
    --cfs-surface-alt: #F0F2F5;
    --cfs-card-border: #E5E7EB;
    /* Compatibility aliases */
    --cfs-navy: #171717;
    --cfs-navy-dark: #0D0D0D;
    --cfs-blue-soft: #262626;
}

body {
    background-color: var(--cfs-bg);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--cfs-black);
}

.cfs-serif-title {
    font-family: Georgia, 'Times New Roman', serif;
}

.cfs-kicker {
    color: var(--cfs-red);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* Sidebar Istituzionale CFS (#171717 / #111111 + Rosso #C8102E) */
.cfs-sidebar {
    width: 272px;
    min-height: 100vh;
    background: linear-gradient(180deg, var(--cfs-dark) 0%, var(--cfs-black) 100%);
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1020;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.22);
    border-right: 1px solid rgba(255, 255, 255, 0.07);
}

.cfs-main {
    margin-left: 272px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

@media (min-width: 992px) {
    .cfs-sidebar-collapse {
        display: flex !important;
        flex-direction: column;
        justify-content: space-between;
        flex-grow: 1;
    }
}

@media (max-width: 991.98px) {
    .cfs-sidebar {
        position: sticky;
        top: 0;
        width: 100%;
        min-height: auto;
        z-index: 1030;
    }
    .cfs-main {
        margin-left: 0;
    }
    .cfs-brand {
        padding: 0.85rem 1.1rem;
    }
}

.cfs-hamburger-btn {
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    border-radius: 0.5rem;
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.18s ease;
}

.cfs-hamburger-btn:hover,
.cfs-hamburger-btn:focus,
.cfs-hamburger-btn[aria-expanded="true"] {
    background-color: var(--cfs-red);
    border-color: var(--cfs-red);
    color: #fff;
}

.cfs-brand {
    padding: 1.25rem 1.2rem;
    border-bottom: 2px solid var(--cfs-red);
    background-color: rgba(0, 0, 0, 0.28);
}

.cfs-logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    border-radius: 50%;
    background-color: #fff;
    padding: 2px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.4);
    flex-shrink: 0;
}

.cfs-nav-section-label {
    padding: 0.35rem 1.4rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cfs-red-soft);
}

.cfs-nav-link {
    color: rgba(255, 255, 255, 0.84);
    padding: 0.72rem 1.15rem;
    border-radius: 0.5rem;
    margin: 0.2rem 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.18s ease;
}

.cfs-nav-link:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.cfs-nav-link.active {
    border-left: 4px solid var(--cfs-red);
    background: linear-gradient(90deg, rgba(200, 16, 46, 0.28) 0%, rgba(200, 16, 46, 0.08) 100%);
    color: #fff;
    font-weight: 600;
}

.cfs-submenu {
    margin: 0.15rem 0.75rem 0.35rem 1.85rem;
    padding-left: 0.6rem;
    border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.cfs-subnav-link {
    color: rgba(255, 255, 255, 0.74);
    padding: 0.48rem 0.85rem;
    border-radius: 0.42rem;
    margin-bottom: 0.15rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: all 0.15s ease;
}

.cfs-subnav-link:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.cfs-subnav-link.active {
    background-color: rgba(200, 16, 46, 0.26);
    color: #fff;
    font-weight: 600;
}

.cfs-submenu-chevron {
    transition: transform 0.2s ease;
}

.cfs-nav-link[aria-expanded="true"] .cfs-submenu-chevron {
    transform: rotate(180deg);
}

/* Bottoni Brand CFS */
.btn-cfs-red {
    background-color: var(--cfs-red);
    border-color: var(--cfs-red);
    color: #fff;
    font-weight: 600;
}

.btn-cfs-red:hover,
.btn-cfs-red:focus {
    background-color: var(--cfs-red-hover);
    border-color: var(--cfs-red-hover);
    color: #fff;
}

.btn-cfs-navy,
.btn-cfs-dark {
    background-color: var(--cfs-dark);
    border-color: var(--cfs-dark);
    color: #fff;
    font-weight: 600;
}

.btn-cfs-navy:hover,
.btn-cfs-dark:hover,
.btn-cfs-navy:focus,
.btn-cfs-dark:focus {
    background-color: #000000;
    border-color: #000000;
    color: #fff;
}

/* Override Bootstrap primary accents to match CFS Red & Charcoal identity */
.bg-primary {
    background-color: var(--cfs-dark) !important;
}

.text-primary {
    color: var(--cfs-red) !important;
}

.bg-primary-subtle {
    background-color: rgba(200, 16, 46, 0.1) !important;
}

.btn-outline-primary {
    color: var(--cfs-red);
    border-color: var(--cfs-red);
}

.btn-outline-primary:hover {
    background-color: var(--cfs-red);
    border-color: var(--cfs-red);
    color: #fff;
}

/* Bottoni di Azione Compatti e Touch-Friendly (btn-group) */
.cfs-btn-group {
    display: inline-flex;
    vertical-align: middle;
    border-radius: 0.375rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.cfs-btn-group > .btn,
.cfs-btn-group > form > .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    min-height: 36px;
    padding: 0.38rem 0.6rem;
    font-size: 0.88rem;
    line-height: 1;
    position: relative;
    border-radius: 0;
    transition: all 0.15s ease;
}

.cfs-btn-group > form {
    display: inline-flex;
    margin: 0;
}

.cfs-btn-group > :first-child:not(form),
.cfs-btn-group > form:first-child > .btn {
    border-top-left-radius: 0.375rem;
    border-bottom-left-radius: 0.375rem;
}

.cfs-btn-group > :last-child:not(form),
.cfs-btn-group > form:last-child > .btn {
    border-top-right-radius: 0.375rem;
    border-bottom-right-radius: 0.375rem;
}

.cfs-btn-group > .btn + .btn,
.cfs-btn-group > .btn + form > .btn,
.cfs-btn-group > form + .btn,
.cfs-btn-group > form + form > .btn {
    margin-left: -1px;
}

.cfs-btn-group .btn:hover {
    z-index: 2;
}

.cfs-btn-group .btn:focus-visible {
    z-index: 3;
}

/* Stile Dropdown Menu Azioni Bootstrap per Tabelle ed Elenchi */
.cfs-action-dropdown .dropdown-toggle {
    font-weight: 500;
    font-size: 0.82rem;
    padding: 0.35rem 0.65rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    border-radius: 0.375rem;
    min-height: 34px;
}

.cfs-action-dropdown .dropdown-menu {
    font-size: 0.875rem;
    min-width: 200px;
    border-radius: 0.5rem;
    border: 1px solid rgba(0, 0, 0, 0.12);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
    padding: 0.4rem;
    z-index: 1055;
}

.cfs-action-dropdown .dropdown-item {
    padding: 0.5rem 0.8rem;
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 500;
    line-height: 1.3;
    transition: background-color 0.12s ease;
}

.cfs-action-dropdown .dropdown-item i {
    font-size: 1.05rem;
    width: 1.25rem;
    text-align: center;
    flex-shrink: 0;
}

.cfs-action-dropdown .dropdown-item:hover,
.cfs-action-dropdown .dropdown-item:focus {
    background-color: var(--cfs-surface-alt);
    color: var(--cfs-black);
}

.cfs-action-dropdown .dropdown-item.text-danger:hover,
.cfs-action-dropdown .dropdown-item.text-danger:focus {
    background-color: rgba(200, 16, 46, 0.08);
    color: var(--cfs-red) !important;
}

.cfs-action-dropdown form {
    margin: 0;
    padding: 0;
}

.cfs-action-dropdown form button.dropdown-item {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
}

.cfs-action-dropdown .dropdown-divider {
    margin: 0.35rem 0;
    border-top-color: rgba(0, 0, 0, 0.08);
}

/* Evita clipping dei dropdown Bootstrap all'interno di table-responsive */
.table-responsive {
    overflow-x: auto;
    min-height: 140px;
}

/* Card e KPI */
.cfs-card {
    background: #fff;
    border: 1px solid var(--cfs-card-border);
    border-radius: 0.85rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.cfs-kpi-card {
    border-left: 4px solid var(--cfs-dark);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cfs-kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.07);
}

.cfs-kpi-card.kpi-red {
    border-left-color: var(--cfs-red);
}

.cfs-kpi-card.kpi-green {
    border-left-color: #10B981;
}

.cfs-kpi-card.kpi-amber {
    border-left-color: #F59E0B;
}

.table > :not(caption) > * > * {
    vertical-align: middle;
}