/* ============================================
   MOBILE MENU - Stile originale ICOCrypto
   ============================================ */

@media (max-width: 991px) {
    /* Menu mobile container - stile laterale */
    .header-navbar {
        position: fixed !important;
        left: -280px !important;
        top: 0 !important;
        width: 260px !important;
        height: 100vh !important;
        background: var(--color-violo-dark) !important;
        z-index: 1000 !important;
        transition: all 0.4s ease;
        overflow-y: auto;
    }

    .header-navbar.menu-shown {
        left: 0 !important;
        z-index: 9999 !important;
    }

    /* Overlay scuro */
    .header-navbar::before,
    .header-navbar-overlay {
        position: absolute;
        height: 100%;
        width: 100%;
        content: '';
        top: 0;
    }

    .header-navbar::before {
        background: var(--color-violo-dark);
        left: 50%;
        transform: translateX(-50%);
        transition: all 0.4s;
    }

    .header-navbar-overlay {
        background: rgba(43, 1, 91, 0.7);
        left: 100%;
        width: 0;
        z-index: -1;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s;
        transition-delay: 0.2s;
    }

    .header-navbar.menu-shown .header-navbar-overlay {
        width: 100vw;
        opacity: 1;
        visibility: visible;
    }

    /* Menu items */
    .header-menu {
        flex-direction: column !important;
        padding: 24px !important;
        width: 100% !important;
    }

    .menu {
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .menu-item {
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .menu-link {
        padding: 12px 16px !important;
        color: #fff !important;
        font-size: 1rem !important;
        display: block !important;
        width: 100% !important;
    }

    .menu-link:hover {
        color: var(--color-azzurro) !important;
    }

    /* Dropdown mobile */
    .menu-sub {
        display: none !important;
        position: static !important;
        background: rgba(0, 0, 0, 0.2) !important;
        border-radius: 8px !important;
        padding: 8px !important;
        margin-top: 8px !important;
        margin-left: 16px !important;
        width: calc(100% - 16px) !important;
    }

    .menu-sub.active {
        display: block !important;
    }

    .menu-sub .menu-link {
        padding: 10px 14px !important;
        font-size: 0.95rem !important;
    }

    /* Dropdown arrow */
    .menu-item.has-sub > .menu-link::after {
        content: '+';
        font-size: 1.1rem;
        font-weight: 300;
        float: right;
    }

    .menu-item.has-sub.open > .menu-link::after {
        content: '−';
    }

    /* Menu buttons */
    .menu-btns {
        margin-top: 24px !important;
        padding: 0 16px !important;
        width: 100% !important;
    }

    .menu-btns .btn {
        width: 100% !important;
        justify-content: center !important;
        margin-bottom: 12px !important;
    }

    /* Responsive adjustments */
    @media (min-width: 375px) {
        .header-navbar {
            left: -310px !important;
            width: 290px !important;
        }
    }

    @media (min-width: 576px) {
        .header-navbar {
            left: -360px !important;
            width: 340px !important;
        }
    }
}