:root {
    --fs-sidebar-bg: #88d1b1;
    --fs-item-bg: #ffffff;
    --fs-active-red: #c13444;
    --sidebar-width: 260px;
}

#fs-custom-sidebar {
    position: fixed;
    top: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: var(--fs-sidebar-bg);
    z-index: 9999;
    transition: all 0.3s ease;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    overflow-y: auto;
}

#fs-sidebar-toggle {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    background: var(--fs-sidebar-bg);
    padding: 15px 8px;
    cursor: pointer;
    z-index: 10000;
    border-radius: 0 5px 5px 0;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.3);
}

/* LOGIC CHO PC (> 992px) */
@media (min-width: 992px) {
    #fs-custom-sidebar {
        left: 0; /* Mặc định hiện */
    }
    #fs-sidebar-toggle {
        left: var(--sidebar-width);
    }
    
    /* Khi người dùng bấm ẩn trên PC */
    #fs-custom-sidebar.is-hidden {
        left: calc(var(--sidebar-width) * -1);
    }
    #fs-sidebar-toggle.is-hidden {
        left: 0;
    }
}

/* LOGIC CHO MOBILE (< 991px) */
@media (max-width: 991px) {
    #fs-custom-sidebar {
        left: calc(var(--sidebar-width) * -1); /* Mặc định ẩn */
    }
    #fs-sidebar-toggle {
        left: 0;
    }

    /* Khi người dùng bấm hiện trên Mobile */
    #fs-custom-sidebar.is-open {
        left: 0;
    }
    #fs-sidebar-toggle.is-open {
        left: var(--sidebar-width);
    }
}
.sidebar-logo {
  text-align: center;
}

/* Reset Menu Styles */
.sidebar-inner { padding: 15px; }
.sidebar-menu-list { list-style: none; padding: 0; margin: 0; }
.sidebar-menu-list li { margin-bottom: 8px; border: 2px solid #57a884; border-radius: 5px; background: #fff; }
.sidebar-menu-list li a { display: block; padding: 10px; font-weight: bold; color: #333; text-transform: uppercase; }
.sidebar-menu-list li.current-menu-item { background: var(--fs-active-red); border-color: #a02a37; }
.sidebar-menu-list li.current-menu-item a { color: #fff !important; }