.main-content .btn-premium {
    background-color: #4f46e5 !important;
    color: #ffffff !important;
    transition: all 0.2s ease-in-out !important;
    letter-spacing: 0.5px !important;
    position: relative !important;
    border: none !important;
    font-size: 1rem !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.2), 0 2px 4px -1px rgba(79, 70, 229, 0.1) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 12px 24px !important;
    border-radius: 12px !important;
}

.main-content .btn-premium i {
    font-size: 1.25rem !important;
    margin-right: 8px !important;
}

.main-content .btn-premium:hover {
    background-color: #4338ca !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.3) !important;
}

.main-content .btn-premium:active {
    transform: translateY(0) !important;
    background-color: #3730a3 !important;
}

.main-content .btn-premium:disabled {
    background-color: #9ca3af !important;
    cursor: not-allowed !important;
    transform: none !important;
}

/* Các helper khác cho plugin */
.tao-gia-han-plugin .bg-indigo-soft {
    background-color: rgba(79, 70, 229, 0.08);
}

.tao-gia-han-plugin .text-indigo {
    color: #4f46e5;
}

.tao-gia-han-plugin .bg-success-soft {
    background-color: rgba(16, 185, 129, 0.1);
}

.tao-gia-han-plugin .shadow-card {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
}