body {
    margin: 0;
    font-family: "Inter", sans-serif;
    background: #f8f8f8;
    color: #111;
}
.container {
    max-width: 100%;
    margin: 0 2rem;
    position: relative;
}
.scw-title {
    display: inline-block;
    width: 100%;
    text-align: center;
    font-size: 50px;
    padding: 30px 0;
}
/* ===== BOTTOM BAR ===== */
.style-sidebar {
    position: fixed;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);

    display: flex;
    align-items: center;
    gap: 8px;

    padding: 10px 14px;
    border-radius: 999px;

    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    border: 1px solid rgba(0, 0, 0, 0.05);

    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);

    z-index: 999;
}

/* label */
.sidebar-label {
    font-size: 11px;
    letter-spacing: 2px;
    color: #999;
    margin-right: 6px;
}

/* link */
.style-sidebar a {
    text-decoration: none;
    font-size: 13px;
    color: #666;
    font-weight: 500;

    padding: 6px 12px;
    border-radius: 999px;

    transition: all 0.3s ease;
}

/* hover */
.style-sidebar a:hover {
    color: #111;
    background: rgba(0, 0, 0, 0.05);
}

/* active */
.style-sidebar a.active {
    color: #fff;
    background: linear-gradient(135deg, #74f0ed, #4e68f0);

    box-shadow: 0 4px 12px rgba(78, 104, 240, 0.25);
}

/* glow nhẹ */
.style-sidebar a.active::after {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: 999px;
    background: linear-gradient(135deg, #74f0ed, #4e68f0);
    filter: blur(8px);
    opacity: 0.25;
    z-index: -1;
}

/* ===== MOBILE tối ưu thêm ===== */
@media (max-width: 768px) {
    .style-sidebar {
        width: calc(100% - 20px);
        justify-content: center;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .style-sidebar::-webkit-scrollbar {
        display: none;
    }

    .sidebar-label {
        display: none;
    }

    .style-sidebar a {
        font-size: 12px;
        padding: 6px 10px;
        white-space: nowrap;
    }
}