/* Utility Styles */

/* VIP & Thường Labels */
.vip-label {
    display: inline-block;
    background: linear-gradient(90deg, var(--vip-color), #ff8c00);
    color: #222;
    font-weight: bold;
    border-radius: 8px;
    padding: 2px 10px;
    font-size: 0.9em;
    margin-left: 6px;
    box-shadow: 0 0 8px var(--vip-color);
    border: 1px solid #ffb300;
}

.thuong-label {
    display: inline-block;
    background: linear-gradient(90deg, var(--thuong-color), #a0e9ff);
    color: #00334d;
    font-weight: bold;
    border-radius: 8px;
    padding: 2px 10px;
    font-size: 0.9em;
    margin-left: 6px;
    box-shadow: 0 0 8px var(--thuong-color);
    border: 1px solid #38bdf8;
}

/* User Info */
#user-info {
    background: var(--glass-bg);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

#username {
    font-weight: 600;
    color: var(--text-primary);
}

#user-info button:hover {
    color: var(--primary-accent);
}

/* Scroll to Top Button */
#scroll-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--primary-accent);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 24px;
    cursor: pointer;
    display: none;
    place-items: center;
    z-index: 999;
    transition: opacity 0.3s, transform 0.3s;
    opacity: 0;
    transform: translateY(20px);
}

#scroll-to-top.visible {
    display: grid;
    opacity: 1;
    transform: translateY(0);
}

/* Galaxy Background */
#galaxy-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}