.vk-auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 10px 0;
}

.vk-auth-button-wrapper {
    width: 100%;
    max-width: 220px;
}

.vk-auth-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 10px 20px;
    background-color: #4C75A3;
    color: #FFFFFF;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    text-decoration: none;
    min-height: 40px;
}

.vk-auth-button:hover {
    background-color: #3B5998;
    color: #FFFFFF;
    text-decoration: none;
}

.vk-auth-button:active {
    background-color: #2A3F5F;
}

.vk-auth-button .vk-icon {
    margin-right: 8px;
    width: 20px;
    height: 20px;
}

.vk-auth-debug-info {
    margin-top: 10px;
    padding: 10px;
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    font-size: 12px;
    color: #6c757d;
}

/* Admin page styles */
.vk-auth-instructions {
    margin-top: 30px;
    padding: 20px;
    background: #fff;
    border: 1px solid #ccd0d4;
    box-shadow: 0 1px 1px rgba(0,0,0,.04);
}

.vk-auth-instructions h2 {
    margin-top: 0;
}

.vk-auth-instructions ol {
    margin-left: 20px;
}

.vk-auth-instructions code {
    background: #f0f0f1;
    padding: 3px 5px;
    border-radius: 3px;
}

/* Loading state */
.vk-auth-button.loading {
    position: relative;
    color: transparent;
}

.vk-auth-button.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid #FFFFFF;
    border-radius: 50%;
    border-top-color: transparent;
    animation: vk-auth-spin 1s linear infinite;
}

@keyframes vk-auth-spin {
    to {
        transform: rotate(360deg);
    }
}